{ "contractName": "BasePaymaster", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "inputs": [], "name": "CALLDATA_SIZE_LIMIT", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "FORWARDER_HUB_OVERHEAD", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "PAYMASTER_ACCEPTANCE_BUDGET", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "POST_RELAYED_CALL_GAS_LIMIT", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "PRE_RELAYED_CALL_GAS_LIMIT", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "versionPaymaster", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "stateMutability": "payable", "type": "receive" }, { "inputs": [], "name": "getRelayHub", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "getGasAndDataLimits", "outputs": [ { "components": [ { "internalType": "uint256", "name": "acceptanceBudget", "type": "uint256" }, { "internalType": "uint256", "name": "preRelayedCallGasLimit", "type": "uint256" }, { "internalType": "uint256", "name": "postRelayedCallGasLimit", "type": "uint256" }, { "internalType": "uint256", "name": "calldataSizeLimit", "type": "uint256" } ], "internalType": "struct IPaymaster.GasAndDataLimits", "name": "limits", "type": "tuple" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "contract IRelayHub", "name": "hub", "type": "address" } ], "name": "setRelayHub", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "forwarder", "type": "address" } ], "name": "setTrustedForwarder", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "getTrustedForwarder", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "address payable", "name": "target", "type": "address" } ], "name": "withdrawRelayHubDepositTo", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "components": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "value", "type": "uint256" }, { "internalType": "uint256", "name": "gas", "type": "uint256" }, { "internalType": "uint256", "name": "nonce", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" }, { "internalType": "uint256", "name": "validUntilTime", "type": "uint256" } ], "internalType": "struct IForwarder.ForwardRequest", "name": "request", "type": "tuple" }, { "components": [ { "internalType": "uint256", "name": "maxFeePerGas", "type": "uint256" }, { "internalType": "uint256", "name": "maxPriorityFeePerGas", "type": "uint256" }, { "internalType": "uint256", "name": "transactionCalldataGasUsed", "type": "uint256" }, { "internalType": "address", "name": "relayWorker", "type": "address" }, { "internalType": "address", "name": "paymaster", "type": "address" }, { "internalType": "address", "name": "forwarder", "type": "address" }, { "internalType": "bytes", "name": "paymasterData", "type": "bytes" }, { "internalType": "uint256", "name": "clientId", "type": "uint256" } ], "internalType": "struct GsnTypes.RelayData", "name": "relayData", "type": "tuple" } ], "internalType": "struct GsnTypes.RelayRequest", "name": "relayRequest", "type": "tuple" }, { "internalType": "bytes", "name": "signature", "type": "bytes" }, { "internalType": "bytes", "name": "approvalData", "type": "bytes" }, { "internalType": "uint256", "name": "maxPossibleGas", "type": "uint256" } ], "name": "preRelayedCall", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" }, { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes", "name": "context", "type": "bytes" }, { "internalType": "bool", "name": "success", "type": "bool" }, { "internalType": "uint256", "name": "gasUseWithoutPost", "type": "uint256" }, { "components": [ { "internalType": "uint256", "name": "maxFeePerGas", "type": "uint256" }, { "internalType": "uint256", "name": "maxPriorityFeePerGas", "type": "uint256" }, { "internalType": "uint256", "name": "transactionCalldataGasUsed", "type": "uint256" }, { "internalType": "address", "name": "relayWorker", "type": "address" }, { "internalType": "address", "name": "paymaster", "type": "address" }, { "internalType": "address", "name": "forwarder", "type": "address" }, { "internalType": "bytes", "name": "paymasterData", "type": "bytes" }, { "internalType": "uint256", "name": "clientId", "type": "uint256" } ], "internalType": "struct GsnTypes.RelayData", "name": "relayData", "type": "tuple" } ], "name": "postRelayedCall", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.7+commit.e28d00a7\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"CALLDATA_SIZE_LIMIT\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"FORWARDER_HUB_OVERHEAD\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"PAYMASTER_ACCEPTANCE_BUDGET\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"POST_RELAYED_CALL_GAS_LIMIT\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"PRE_RELAYED_CALL_GAS_LIMIT\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getGasAndDataLimits\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"acceptanceBudget\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"preRelayedCallGasLimit\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"postRelayedCallGasLimit\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"calldataSizeLimit\",\"type\":\"uint256\"}],\"internalType\":\"struct IPaymaster.GasAndDataLimits\",\"name\":\"limits\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getRelayHub\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getTrustedForwarder\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"context\",\"type\":\"bytes\"},{\"internalType\":\"bool\",\"name\":\"success\",\"type\":\"bool\"},{\"internalType\":\"uint256\",\"name\":\"gasUseWithoutPost\",\"type\":\"uint256\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"maxFeePerGas\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"maxPriorityFeePerGas\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"transactionCalldataGasUsed\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"relayWorker\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"paymaster\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"forwarder\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"paymasterData\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"clientId\",\"type\":\"uint256\"}],\"internalType\":\"struct GsnTypes.RelayData\",\"name\":\"relayData\",\"type\":\"tuple\"}],\"name\":\"postRelayedCall\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"gas\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"validUntilTime\",\"type\":\"uint256\"}],\"internalType\":\"struct IForwarder.ForwardRequest\",\"name\":\"request\",\"type\":\"tuple\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"maxFeePerGas\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"maxPriorityFeePerGas\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"transactionCalldataGasUsed\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"relayWorker\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"paymaster\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"forwarder\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"paymasterData\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"clientId\",\"type\":\"uint256\"}],\"internalType\":\"struct GsnTypes.RelayData\",\"name\":\"relayData\",\"type\":\"tuple\"}],\"internalType\":\"struct GsnTypes.RelayRequest\",\"name\":\"relayRequest\",\"type\":\"tuple\"},{\"internalType\":\"bytes\",\"name\":\"signature\",\"type\":\"bytes\"},{\"internalType\":\"bytes\",\"name\":\"approvalData\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"maxPossibleGas\",\"type\":\"uint256\"}],\"name\":\"preRelayedCall\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"},{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract IRelayHub\",\"name\":\"hub\",\"type\":\"address\"}],\"name\":\"setRelayHub\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"forwarder\",\"type\":\"address\"}],\"name\":\"setTrustedForwarder\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"versionPaymaster\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"address payable\",\"name\":\"target\",\"type\":\"address\"}],\"name\":\"withdrawRelayHubDepositTo\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"getGasAndDataLimits()\":{\"returns\":{\"limits\":\"An instance of the `GasAndDataLimits` struct ##### `acceptanceBudget` If the transactions consumes more than `acceptanceBudget` this Paymaster will be charged for gas no matter what. Transaction that gets rejected after consuming more than `acceptanceBudget` gas is on this Paymaster's expense. Should be set to an amount gas this Paymaster expects to spend deciding whether to accept or reject a request. This includes gas consumed by calculations in the `preRelayedCall`, `Forwarder` and the recipient contract. :warning: **Warning** :warning: As long this value is above `preRelayedCallGasLimit` (see defaults in `BasePaymaster`), the Paymaster is guaranteed it will never pay for rejected transactions. If this value is below `preRelayedCallGasLimit`, it might might make Paymaster open to a \\\"griefing\\\" attack. The relayers should prefer lower `acceptanceBudget`, as it improves their chances of being compensated. From a Relay's point of view, this is the highest gas value a bad Paymaster may cost the relay, since the paymaster will pay anything above that value regardless of whether the transaction succeeds or reverts. Specifying value too high might make the call rejected by relayers (see `maxAcceptanceBudget` in server config). ##### `preRelayedCallGasLimit` The max gas usage of preRelayedCall. Any revert of the `preRelayedCall` is a request rejection by the paymaster. As long as `acceptanceBudget` is above `preRelayedCallGasLimit`, any such revert is not payed by the paymaster. ##### `postRelayedCallGasLimit` The max gas usage of postRelayedCall. The Paymaster is not charged for the maximum, only for actually used gas. Note that an OOG will revert the inner transaction, but the paymaster will be charged for it anyway.\"}},\"getRelayHub()\":{\"returns\":{\"_0\":\"The address of the `RelayHub` that is trusted by this Paymaster to execute the requests.\"}},\"getTrustedForwarder()\":{\"returns\":{\"_0\":\"The address of the `Forwarder` that is trusted by this Paymaster to execute the requests.\"}},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"postRelayedCall(bytes,bool,uint256,(uint256,uint256,uint256,address,address,address,bytes,uint256))\":{\"params\":{\"context\":\"The call context, as returned by the preRelayedCall\",\"gasUseWithoutPost\":\"The actual amount of gas used by the entire transaction, EXCEPT the gas used by the postRelayedCall itself.\",\"relayData\":\"The relay params of the request. can be used by relayHub.calculateCharge()\",\"success\":\"`true` if the relayed call succeeded, false if it reverted\"}},\"preRelayedCall(((address,address,uint256,uint256,uint256,bytes,uint256),(uint256,uint256,uint256,address,address,address,bytes,uint256)),bytes,bytes,uint256)\":{\"params\":{\"approvalData\":\"- extra dapp-specific data (e.g. signature from trusted party)\",\"maxPossibleGas\":\"- based on values returned from `getGasAndDataLimits` the RelayHub will calculate the maximum possible amount of gas the user may be charged for. In order to convert this value to wei, the Paymaster has to call \\\"relayHub.calculateCharge()\\\"\",\"relayRequest\":\"- the full relay request structure\",\"signature\":\"- user's EIP712-compatible signature of the `relayRequest`. Note that in most cases the paymaster shouldn't try use it at all. It is always checked by the forwarder immediately after preRelayedCall returns.\"},\"returns\":{\"_0\":\"A byte array to be passed to postRelayedCall. Can contain any data needed by this Paymaster in any form or be empty if no extra data is needed.\",\"_1\":\"The flag that allows a Paymaster to \\\"delegate\\\" the rejection to the recipient code. It also means the Paymaster trust the recipient to reject fast: both preRelayedCall, forwarder check and recipient checks must fit into the GasLimits.acceptanceBudget, otherwise the TX is paid by the Paymaster. `true` if the Paymaster wants to reject the TX if the recipient reverts. `false` if the Paymaster wants rejects by the recipient to be completed on chain and paid by the Paymaster.\"}},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"supportsInterface(bytes4)\":{\"details\":\"Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] to learn more about how these ids are created. This function call must use less than 30 000 gas.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"},\"versionPaymaster()\":{\"returns\":{\"_0\":\"version The SemVer string of this Paymaster's version.\"}},\"withdrawRelayHubDepositTo(uint256,address)\":{\"params\":{\"amount\":\"The amount to be subtracted from the sender.\",\"target\":\"The target to which the amount will be transferred.\"}}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"getGasAndDataLimits()\":{\"notice\":\"Return the Gas Limits for Paymaster's functions and maximum msg.data length values for this Paymaster. This function allows different paymasters to have different properties without changes to the RelayHub.\"},\"getTrustedForwarder()\":{\"notice\":\":warning: **Warning** :warning: using incorrect Forwarder may cause the Paymaster to agreeing to pay for invalid transactions.\"},\"postRelayedCall(bytes,bool,uint256,(uint256,uint256,uint256,address,address,address,bytes,uint256))\":{\"notice\":\"This method is called after the actual relayed function call. It may be used to record the transaction (e.g. charge the caller by some contract logic) for this call. Revert in this functions causes a revert of the client's relayed call (and preRelayedCall(), but the Paymaster is still committed to pay the relay for the entire transaction.\"},\"preRelayedCall(((address,address,uint256,uint256,uint256,bytes,uint256),(uint256,uint256,uint256,address,address,address,bytes,uint256)),bytes,bytes,uint256)\":{\"notice\":\"Called by the Relay in view mode and later by the `RelayHub` on-chain to validate that the Paymaster agrees to pay for this call. The request is considered to be rejected by the Paymaster in one of the following conditions: - `preRelayedCall()` method reverts - the `Forwarder` reverts because of nonce or signature error - the `Paymaster` returned `rejectOnRecipientRevert: true` and the recipient contract reverted (and all that did not consume more than `acceptanceBudget` gas). In any of the above cases, all Paymaster calls and the recipient call are reverted. In any other case the Paymaster will pay for the gas cost of the transaction. Note that even if `postRelayedCall` is reverted the Paymaster will be charged.\"},\"setRelayHub(address)\":{\"notice\":\"The owner of the Paymaster can change the instance of the RelayHub this Paymaster works with. :warning: **Warning** :warning: The deposit on the previous RelayHub must be withdrawn first.\"},\"setTrustedForwarder(address)\":{\"notice\":\"The owner of the Paymaster can change the instance of the Forwarder this Paymaster works with.the Recipients must trust this Forwarder as well in order for the configuration to remain functional.\"},\"withdrawRelayHubDepositTo(uint256,address)\":{\"notice\":\"Withdraw deposit from the RelayHub.\"}},\"notice\":\"An abstract base class to be inherited by a concrete Paymaster. A subclass must implement: - preRelayedCall - postRelayedCall\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"/Users/alexf/gsn2/packages/contracts/solpp/BasePaymaster.sol\":\"BasePaymaster\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/alexf/gsn2/packages/contracts/solpp/BasePaymaster.sol\":{\"keccak256\":\"0x89c669597c94431753f0e043015677d0a2261121d8dee5db04baa9e0bd60506e\",\"license\":\"GPL-3.0-only\",\"urls\":[\"bzz-raw://195cad8f002b5fd930f007f6f582a8d2193574422c74d65fc556ae58d4227f76\",\"dweb:/ipfs/QmPxDaWYdZfB1kwKCxVMFw92h59RarKXkyadcVT5LT5avd\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/forwarder/IForwarder.sol\":{\"keccak256\":\"0xef3d770001c3245db4408cdd0afdfc622695ccfe31f28b74571d05158bbf83f8\",\"license\":\"GPL-3.0-only\",\"urls\":[\"bzz-raw://08949174ed05b596d89c8f1eeedfeb254993b84054bbc1ff6081ad926f5db406\",\"dweb:/ipfs/QmNQtKzHpie4Esocxuc9YrPtGQyA928a1a5TWbVc7cPoqk\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IERC2771Recipient.sol\":{\"keccak256\":\"0x92a3665ec2fc3d2ab78cf8a08451b2ab6466dc7fae3c215150be2132500406fa\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://364eee344363535733b4cc1a7748e1fc8b10786f6df6c0e2bc0082bcb2477e0e\",\"dweb:/ipfs/QmfCwWAxFqU4woSqu3g5BFPASEA7eCSwcwUSHM9EoYhYdu\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IPaymaster.sol\":{\"keccak256\":\"0x205617108fad6f3543fc12773e9d25998e944852e8ed9d71f79cb799ae299246\",\"license\":\"GPL-3.0-only\",\"urls\":[\"bzz-raw://4903018f63b15211f2714edcf1c56f5c0bee6fea07efaaf908d3a78d07fb6d84\",\"dweb:/ipfs/Qmezexeh6GszFUHW2dgTGWTfb613Ni3tfjLqAtdAYAxCpQ\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IRelayHub.sol\":{\"keccak256\":\"0x19dcbf5e1bfaa413b6800ad84ffedd2989b401cede299f009ff62c33e03ccfae\",\"license\":\"GPL-3.0-only\",\"urls\":[\"bzz-raw://bb5cb7bee7de97770e374b4cad1265c636a740dc7a2013d686a89d9398ba3098\",\"dweb:/ipfs/QmSqhNkFwDtS1EnupbQWduDm78N6s8c1zqXf5aLqZF69Xx\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IStakeManager.sol\":{\"keccak256\":\"0x27535f3677a2c373862d8672725632fdcabdf5d0e784f80c158063f55be68b5a\",\"license\":\"GPL-3.0-only\",\"urls\":[\"bzz-raw://904ad156bf1cac29f9e13619ee0ee41e602b6cf1fafedea0a1d3be7a7accc654\",\"dweb:/ipfs/QmXVy5gfYXSWYFrkmL2u9jctZDXupiNWbif5tFVpVZMPww\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/utils/GsnEip712Library.sol\":{\"keccak256\":\"0xc35980f371cab5d9af3e1ead06f82b2afb705a8dbb2a5f53793f0179c485c274\",\"license\":\"GPL-3.0-only\",\"urls\":[\"bzz-raw://dd7732d690c7959df567ee3e4863b0045583506fbae3c87b684b6173fd126968\",\"dweb:/ipfs/QmUbcUAqxKZTQS5ZwwPVnfNAtCmas4pPWQhRWXXwWQEeef\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/utils/GsnTypes.sol\":{\"keccak256\":\"0xfc3ed2bbd925e24facf0c3bb96d57dd7fc5bcc4a684b5473f04e8d209b758805\",\"license\":\"GPL-3.0-only\",\"urls\":[\"bzz-raw://cb57b5b38d3e588f119ae45174891f2049d1d0de160a12b81a20335cd8bf731b\",\"dweb:/ipfs/Qmf6xfbdLbTKEpnzxwnSaRy1YZJtLYTZh8URqry86oyoSU\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/utils/GsnUtils.sol\":{\"keccak256\":\"0x8616968305b6127f4cb43209502e074c3964230a66c703e6b8623b03e5ec6442\",\"license\":\"GPL-3.0-only\",\"urls\":[\"bzz-raw://2b1f1163fee75613024b38c25e17649933919f4a47a5ba5e8c3ea046023eb1ad\",\"dweb:/ipfs/QmNWReZE8BQ82eXahdKjnNjQWHuH9L9wcTcnKgyV5ypKCa\"]},\"/Users/alexf/gsn2/packages/contracts/solpp/utils/MinLibBytes.sol\":{\"keccak256\":\"0xa61a3d8fcd89182975d0bd17b86c22b6affd2f7bf26db66b1ddb2ee396f122ab\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://2e0bc21e2c8c2f483aee9d5bc003fa77dc7afddbaa7cc99560581a416cfdef11\",\"dweb:/ipfs/QmbwLE7AJpoH2LVeeHxewq3tf1vXhLNUdYsubWxzDGKfTr\"]},\"@openzeppelin/contracts/access/Ownable.sol\":{\"keccak256\":\"0xa94b34880e3c1b0b931662cb1c09e5dfa6662f31cba80e07c5ee71cd135c9673\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://40fb1b5102468f783961d0af743f91b9980cf66b50d1d12009f6bb1869cea4d2\",\"dweb:/ipfs/QmYqEbJML4jB1GHbzD4cUZDtJg5wVwNm3vDJq1GbyDus8y\"]},\"@openzeppelin/contracts/interfaces/IERC165.sol\":{\"keccak256\":\"0xd04b0f06e0666f29cf7cccc82894de541e19bb30a765b107b1e40bb7fe5f7d7a\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7b652499d098e88d8d878374616bb58434301061cae2253298b3f374044e0ddb\",\"dweb:/ipfs/QmbhAzctqo5jrSKU6idHdVyqfmzCcDbNUPvmx4GiXxfA6q\"]},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x9750c6b834f7b43000631af5cc30001c5f547b3ceb3635488f140f60e897ea6b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://5a7d5b1ef5d8d5889ad2ed89d8619c09383b80b72ab226e0fe7bde1636481e34\",\"dweb:/ipfs/QmebXWgtEfumQGBdVeM6c71McLixYXQP5Bk6kKXuoY4Bmr\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0xe2e337e6dde9ef6b680e07338c493ebea1b5fd09b43424112868e9cc1706bca7\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6df0ddf21ce9f58271bdfaa85cde98b200ef242a05a3f85c2bc10a8294800a92\",\"dweb:/ipfs/QmRK2Y5Yc6BK7tGKkgsgn3aJEQGi5aakeSPZvS65PV8Xp3\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0xd10975de010d89fd1c78dc5e8a9a7e7f496198085c151648f20cba166b32582b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://fb0048dee081f6fffa5f74afc3fb328483c2a30504e94a0ddd2a5114d731ec4d\",\"dweb:/ipfs/QmZptt1nmYoA5SgjwnSgWqgUSDgm4q52Yos3xhnMv3MV43\"]},\"@openzeppelin/contracts/utils/introspection/ERC165Checker.sol\":{\"keccak256\":\"0xc65c83c1039508fa7a42a09a3c6a32babd1c438ba4dbb23581255e784b5d5eed\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://a1b3b38db0f76429db899909025e534c366415e9ea8b5ddc4c8901e6a7fc1461\",\"dweb:/ipfs/QmYv1KxyHjLEky9JWNSsSfpGJbiCxFyzVFgTwQKpiqYGUg\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0x447a5f3ddc18419d41ff92b3773fb86471b1db25773e07f877f548918a185bf1\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://be161e54f24e5c6fae81a12db1a8ae87bc5ae1b0ddc805d82a1440a68455088f\",\"dweb:/ipfs/QmP7C3CHdY9urF4dEMb9wmsp1wMxHF6nhA2yQE5SKiPAdy\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity >=0.7.6;\npragma abicoder v2;\n\n// SPDX-License-Identifier: GPL-3.0-only\n\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\nimport \"@openzeppelin/contracts/utils/introspection/ERC165.sol\";\nimport \"@openzeppelin/contracts/utils/introspection/ERC165Checker.sol\";\n\nimport \"./utils/GsnTypes.sol\";\nimport \"./interfaces/IPaymaster.sol\";\nimport \"./interfaces/IRelayHub.sol\";\nimport \"./utils/GsnEip712Library.sol\";\nimport \"./forwarder/IForwarder.sol\";\n\n/**\n * @notice An abstract base class to be inherited by a concrete Paymaster.\n * A subclass must implement:\n * - preRelayedCall\n * - postRelayedCall\n */\nabstract contract BasePaymaster is IPaymaster, Ownable, ERC165 {\n using ERC165Checker for address;\n\n IRelayHub internal relayHub;\n address private _trustedForwarder;\n\n /// @inheritdoc IPaymaster\n function getRelayHub() public override view returns (address) {\n return address(relayHub);\n }\n\n //overhead of forwarder verify+signature, plus hub overhead.\n uint256 constant public FORWARDER_HUB_OVERHEAD = 50000;\n\n //These parameters are documented in IPaymaster.GasAndDataLimits\n uint256 constant public PRE_RELAYED_CALL_GAS_LIMIT = 100000;\n uint256 constant public POST_RELAYED_CALL_GAS_LIMIT = 110000;\n uint256 constant public PAYMASTER_ACCEPTANCE_BUDGET = PRE_RELAYED_CALL_GAS_LIMIT + FORWARDER_HUB_OVERHEAD;\n uint256 constant public CALLDATA_SIZE_LIMIT = 10500;\n\n /// @inheritdoc IERC165\n function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {\n return interfaceId == type(IPaymaster).interfaceId ||\n interfaceId == type(Ownable).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /// @inheritdoc IPaymaster\n function getGasAndDataLimits()\n public\n override\n virtual\n view\n returns (\n IPaymaster.GasAndDataLimits memory limits\n ) {\n return IPaymaster.GasAndDataLimits(\n PAYMASTER_ACCEPTANCE_BUDGET,\n PRE_RELAYED_CALL_GAS_LIMIT,\n POST_RELAYED_CALL_GAS_LIMIT,\n CALLDATA_SIZE_LIMIT\n );\n }\n\n /**\n * @notice this method must be called from preRelayedCall to validate that the forwarder\n * is approved by the paymaster as well as by the recipient contract.\n */\n function _verifyForwarder(GsnTypes.RelayRequest calldata relayRequest)\n internal\n virtual\n view\n {\n require(getTrustedForwarder() == relayRequest.relayData.forwarder, \"Forwarder is not trusted\");\n GsnEip712Library.verifyForwarderTrusted(relayRequest);\n }\n\n function _verifyRelayHubOnly() internal virtual view {\n require(msg.sender == getRelayHub(), \"can only be called by RelayHub\");\n }\n\n function _verifyValue(GsnTypes.RelayRequest calldata relayRequest) internal virtual view{\n require(relayRequest.request.value == 0, \"value transfer not supported\");\n }\n\n function _verifyPaymasterData(GsnTypes.RelayRequest calldata relayRequest) internal virtual view {\n require(relayRequest.relayData.paymasterData.length == 0, \"should have no paymasterData\");\n }\n\n function _verifyApprovalData(bytes calldata approvalData) internal virtual view{\n require(approvalData.length == 0, \"should have no approvalData\");\n }\n\n /**\n * @notice The owner of the Paymaster can change the instance of the RelayHub this Paymaster works with.\n * :warning: **Warning** :warning: The deposit on the previous RelayHub must be withdrawn first.\n */\n function setRelayHub(IRelayHub hub) public onlyOwner {\n require(address(hub).supportsInterface(type(IRelayHub).interfaceId), \"target is not a valid IRelayHub\");\n relayHub = hub;\n }\n\n /**\n * @notice The owner of the Paymaster can change the instance of the Forwarder this Paymaster works with.\n * @notice the Recipients must trust this Forwarder as well in order for the configuration to remain functional.\n */\n function setTrustedForwarder(address forwarder) public virtual onlyOwner {\n require(forwarder.supportsInterface(type(IForwarder).interfaceId), \"target is not a valid IForwarder\");\n _trustedForwarder = forwarder;\n }\n\n function getTrustedForwarder() public virtual view override returns (address){\n return _trustedForwarder;\n }\n\n /**\n * @notice Any native Ether transferred into the paymaster is transferred as a deposit to the RelayHub.\n * This way, we don't need to understand the RelayHub API in order to replenish the paymaster.\n */\n receive() external virtual payable {\n require(address(relayHub) != address(0), \"relay hub address not set\");\n relayHub.depositFor{value:msg.value}(address(this));\n }\n\n /**\n * @notice Withdraw deposit from the RelayHub.\n * @param amount The amount to be subtracted from the sender.\n * @param target The target to which the amount will be transferred.\n */\n function withdrawRelayHubDepositTo(uint256 amount, address payable target) public onlyOwner {\n relayHub.withdraw(target, amount);\n }\n\n /// @inheritdoc IPaymaster\n function preRelayedCall(\n GsnTypes.RelayRequest calldata relayRequest,\n bytes calldata signature,\n bytes calldata approvalData,\n uint256 maxPossibleGas\n )\n external\n override\n returns (bytes memory, bool) {\n _verifyRelayHubOnly();\n _verifyForwarder(relayRequest);\n _verifyValue(relayRequest);\n _verifyPaymasterData(relayRequest);\n _verifyApprovalData(approvalData);\n return _preRelayedCall(relayRequest, signature, approvalData, maxPossibleGas);\n }\n\n /**\n * @notice internal logic the paymasters need to provide to select which transactions they are willing to pay for\n * @notice see the documentation for `IPaymaster::preRelayedCall` for details\n */\n function _preRelayedCall(\n GsnTypes.RelayRequest calldata,\n bytes calldata,\n bytes calldata,\n uint256\n )\n internal\n virtual\n returns (bytes memory, bool);\n\n /// @inheritdoc IPaymaster\n function postRelayedCall(\n bytes calldata context,\n bool success,\n uint256 gasUseWithoutPost,\n GsnTypes.RelayData calldata relayData\n )\n external\n override\n {\n _verifyRelayHubOnly();\n _postRelayedCall(context, success, gasUseWithoutPost, relayData);\n }\n\n /**\n * @notice internal logic the paymasters need to provide if they need to take some action after the transaction\n * @notice see the documentation for `IPaymaster::postRelayedCall` for details\n */\n function _postRelayedCall(\n bytes calldata,\n bool,\n uint256,\n GsnTypes.RelayData calldata\n )\n internal\n virtual;\n}", "sourcePath": "/Users/alexf/gsn2/packages/contracts/solpp/BasePaymaster.sol", "ast": { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/BasePaymaster.sol", "exportedSymbols": { "BasePaymaster": [ 397 ], "Context": [ 11508 ], "ERC165": [ 12146 ], "ERC165Checker": [ 12340 ], "GsnEip712Library": [ 8464 ], "GsnTypes": [ 8492 ], "GsnUtils": [ 8572 ], "IERC165": [ 12352 ], "IERC20": [ 10849 ], "IERC2771Recipient": [ 5374 ], "IForwarder": [ 5129 ], "IPaymaster": [ 5447 ], "IRelayHub": [ 5896 ], "IStakeManager": [ 6284 ], "MinLibBytes": [ 8687 ], "Ownable": [ 10182 ] }, "id": 398, "license": "GPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", ">=", "0.7", ".6" ], "nodeType": "PragmaDirective", "src": "0:24:0" }, { "id": 2, "literals": [ "abicoder", "v2" ], "nodeType": "PragmaDirective", "src": "25:19:0" }, { "absolutePath": "@openzeppelin/contracts/access/Ownable.sol", "file": "@openzeppelin/contracts/access/Ownable.sol", "id": 3, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 10183, "src": "88:52:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/ERC165.sol", "file": "@openzeppelin/contracts/utils/introspection/ERC165.sol", "id": 4, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 12147, "src": "141:64:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol", "file": "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol", "id": 5, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 12341, "src": "206:71:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/utils/GsnTypes.sol", "file": "./utils/GsnTypes.sol", "id": 6, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 8493, "src": "279:30:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IPaymaster.sol", "file": "./interfaces/IPaymaster.sol", "id": 7, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 5448, "src": "310:37:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IRelayHub.sol", "file": "./interfaces/IRelayHub.sol", "id": 8, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 5897, "src": "348:36:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/utils/GsnEip712Library.sol", "file": "./utils/GsnEip712Library.sol", "id": 9, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 8465, "src": "385:38:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/forwarder/IForwarder.sol", "file": "./forwarder/IForwarder.sol", "id": 10, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 5130, "src": "424:36:0", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 12, "name": "IPaymaster", "nodeType": "IdentifierPath", "referencedDeclaration": 5447, "src": "653:10:0" }, "id": 13, "nodeType": "InheritanceSpecifier", "src": "653:10:0" }, { "baseName": { "id": 14, "name": "Ownable", "nodeType": "IdentifierPath", "referencedDeclaration": 10182, "src": "665:7:0" }, "id": 15, "nodeType": "InheritanceSpecifier", "src": "665:7:0" }, { "baseName": { "id": 16, "name": "ERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 12146, "src": "674:6:0" }, "id": 17, "nodeType": "InheritanceSpecifier", "src": "674:6:0" } ], "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 11, "nodeType": "StructuredDocumentation", "src": "462:155:0", "text": " @notice An abstract base class to be inherited by a concrete Paymaster.\n A subclass must implement:\n - preRelayedCall\n - postRelayedCall" }, "fullyImplemented": false, "id": 397, "linearizedBaseContracts": [ 397, 12146, 10182, 11508, 5447, 12352 ], "name": "BasePaymaster", "nameLocation": "636:13:0", "nodeType": "ContractDefinition", "nodes": [ { "id": 20, "libraryName": { "id": 18, "name": "ERC165Checker", "nodeType": "IdentifierPath", "referencedDeclaration": 12340, "src": "693:13:0" }, "nodeType": "UsingForDirective", "src": "687:32:0", "typeName": { "id": 19, "name": "address", "nodeType": "ElementaryTypeName", "src": "711:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } }, { "constant": false, "id": 23, "mutability": "mutable", "name": "relayHub", "nameLocation": "744:8:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "725:27:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" }, "typeName": { "id": 22, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 21, "name": "IRelayHub", "nodeType": "IdentifierPath", "referencedDeclaration": 5896, "src": "725:9:0" }, "referencedDeclaration": 5896, "src": "725:9:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "visibility": "internal" }, { "constant": false, "id": 25, "mutability": "mutable", "name": "_trustedForwarder", "nameLocation": "774:17:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "758:33:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 24, "name": "address", "nodeType": "ElementaryTypeName", "src": "758:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "private" }, { "baseFunctions": [ 5410 ], "body": { "id": 37, "nodeType": "Block", "src": "891:41:0", "statements": [ { "expression": { "arguments": [ { "id": 34, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "916:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } ], "id": 33, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "908:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 32, "name": "address", "nodeType": "ElementaryTypeName", "src": "908:7:0", "typeDescriptions": {} } }, "id": 35, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "908:17:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 31, "id": 36, "nodeType": "Return", "src": "901:24:0" } ] }, "documentation": { "id": 26, "nodeType": "StructuredDocumentation", "src": "798:26:0", "text": "@inheritdoc IPaymaster" }, "functionSelector": "7bdf2ec7", "id": 38, "implemented": true, "kind": "function", "modifiers": [], "name": "getRelayHub", "nameLocation": "838:11:0", "nodeType": "FunctionDefinition", "overrides": { "id": 28, "nodeType": "OverrideSpecifier", "overrides": [], "src": "859:8:0" }, "parameters": { "id": 27, "nodeType": "ParameterList", "parameters": [], "src": "849:2:0" }, "returnParameters": { "id": 31, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 30, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 38, "src": "882:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 29, "name": "address", "nodeType": "ElementaryTypeName", "src": "882:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "881:9:0" }, "scope": 397, "src": "829:103:0", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "constant": true, "functionSelector": "b90b41cf", "id": 41, "mutability": "constant", "name": "FORWARDER_HUB_OVERHEAD", "nameLocation": "1027:22:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1003:54:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 39, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1003:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "3530303030", "id": 40, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1052:5:0", "typeDescriptions": { "typeIdentifier": "t_rational_50000_by_1", "typeString": "int_const 50000" }, "value": "50000" }, "visibility": "public" }, { "constant": true, "functionSelector": "f9c002f7", "id": 44, "mutability": "constant", "name": "PRE_RELAYED_CALL_GAS_LIMIT", "nameLocation": "1157:26:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1133:59:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 42, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1133:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "313030303030", "id": 43, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1186:6:0", "typeDescriptions": { "typeIdentifier": "t_rational_100000_by_1", "typeString": "int_const 100000" }, "value": "100000" }, "visibility": "public" }, { "constant": true, "functionSelector": "bbdaa3c9", "id": 47, "mutability": "constant", "name": "POST_RELAYED_CALL_GAS_LIMIT", "nameLocation": "1222:27:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1198:60:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 45, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1198:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "313130303030", "id": 46, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1252:6:0", "typeDescriptions": { "typeIdentifier": "t_rational_110000_by_1", "typeString": "int_const 110000" }, "value": "110000" }, "visibility": "public" }, { "constant": true, "functionSelector": "df463a66", "id": 52, "mutability": "constant", "name": "PAYMASTER_ACCEPTANCE_BUDGET", "nameLocation": "1288:27:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1264:105:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 48, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1264:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 51, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "id": 49, "name": "PRE_RELAYED_CALL_GAS_LIMIT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 44, "src": "1318:26:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 50, "name": "FORWARDER_HUB_OVERHEAD", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 41, "src": "1347:22:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1318:51:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "public" }, { "constant": true, "functionSelector": "5c5e3db1", "id": 55, "mutability": "constant", "name": "CALLDATA_SIZE_LIMIT", "nameLocation": "1399:19:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1375:51:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 53, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1375:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "3130353030", "id": 54, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1421:5:0", "typeDescriptions": { "typeIdentifier": "t_rational_10500_by_1", "typeString": "int_const 10500" }, "value": "10500" }, "visibility": "public" }, { "baseFunctions": [ 12145, 12351 ], "body": { "id": 85, "nodeType": "Block", "src": "1569:175:0", "statements": [ { "expression": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 83, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 78, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 71, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 66, "name": "interfaceId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 58, "src": "1586:11:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "expression": { "arguments": [ { "id": 68, "name": "IPaymaster", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5447, "src": "1606:10:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IPaymaster_$5447_$", "typeString": "type(contract IPaymaster)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_IPaymaster_$5447_$", "typeString": "type(contract IPaymaster)" } ], "id": 67, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "1601:4:0", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 69, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1601:16:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_IPaymaster_$5447", "typeString": "type(contract IPaymaster)" } }, "id": 70, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "1601:28:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "src": "1586:43:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 77, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 72, "name": "interfaceId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 58, "src": "1645:11:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "expression": { "arguments": [ { "id": 74, "name": "Ownable", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10182, "src": "1665:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_Ownable_$10182_$", "typeString": "type(contract Ownable)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_Ownable_$10182_$", "typeString": "type(contract Ownable)" } ], "id": 73, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "1660:4:0", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 75, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1660:13:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_Ownable_$10182", "typeString": "type(contract Ownable)" } }, "id": 76, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "1660:25:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "src": "1645:40:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1586:99:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "arguments": [ { "id": 81, "name": "interfaceId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 58, "src": "1725:11:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "id": 79, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967271, "src": "1701:5:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_super$_BasePaymaster_$397_$", "typeString": "type(contract super BasePaymaster)" } }, "id": 80, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "supportsInterface", "nodeType": "MemberAccess", "referencedDeclaration": 12145, "src": "1701:23:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_bytes4_$returns$_t_bool_$", "typeString": "function (bytes4) view returns (bool)" } }, "id": 82, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1701:36:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1586:151:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 65, "id": 84, "nodeType": "Return", "src": "1579:158:0" } ] }, "documentation": { "id": 56, "nodeType": "StructuredDocumentation", "src": "1433:23:0", "text": "@inheritdoc IERC165" }, "functionSelector": "01ffc9a7", "id": 86, "implemented": true, "kind": "function", "modifiers": [], "name": "supportsInterface", "nameLocation": "1470:17:0", "nodeType": "FunctionDefinition", "overrides": { "id": 62, "nodeType": "OverrideSpecifier", "overrides": [ { "id": 60, "name": "IERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 12352, "src": "1537:7:0" }, { "id": 61, "name": "ERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 12146, "src": "1546:6:0" } ], "src": "1528:25:0" }, "parameters": { "id": 59, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 58, "mutability": "mutable", "name": "interfaceId", "nameLocation": "1495:11:0", "nodeType": "VariableDeclaration", "scope": 86, "src": "1488:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 57, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "1488:6:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "visibility": "internal" } ], "src": "1487:20:0" }, "returnParameters": { "id": 65, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 64, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 86, "src": "1563:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 63, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1563:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "1562:6:0" }, "scope": 397, "src": "1461:283:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 5398 ], "body": { "id": 102, "nodeType": "Block", "src": "1927:216:0", "statements": [ { "expression": { "arguments": [ { "id": 96, "name": "PAYMASTER_ACCEPTANCE_BUDGET", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 52, "src": "1985:27:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 97, "name": "PRE_RELAYED_CALL_GAS_LIMIT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 44, "src": "2026:26:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 98, "name": "POST_RELAYED_CALL_GAS_LIMIT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 47, "src": "2066:27:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 99, "name": "CALLDATA_SIZE_LIMIT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 55, "src": "2107:19:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 94, "name": "IPaymaster", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5447, "src": "1944:10:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IPaymaster_$5447_$", "typeString": "type(contract IPaymaster)" } }, "id": 95, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "GasAndDataLimits", "nodeType": "MemberAccess", "referencedDeclaration": 5391, "src": "1944:27:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_struct$_GasAndDataLimits_$5391_storage_ptr_$", "typeString": "type(struct IPaymaster.GasAndDataLimits storage pointer)" } }, "id": 100, "isConstant": false, "isLValue": false, "isPure": true, "kind": "structConstructorCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1944:192:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_GasAndDataLimits_$5391_memory_ptr", "typeString": "struct IPaymaster.GasAndDataLimits memory" } }, "functionReturnParameters": 93, "id": 101, "nodeType": "Return", "src": "1937:199:0" } ] }, "documentation": { "id": 87, "nodeType": "StructuredDocumentation", "src": "1750:26:0", "text": "@inheritdoc IPaymaster" }, "functionSelector": "b039a88f", "id": 103, "implemented": true, "kind": "function", "modifiers": [], "name": "getGasAndDataLimits", "nameLocation": "1790:19:0", "nodeType": "FunctionDefinition", "overrides": { "id": 89, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1827:8:0" }, "parameters": { "id": 88, "nodeType": "ParameterList", "parameters": [], "src": "1809:2:0" }, "returnParameters": { "id": 93, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 92, "mutability": "mutable", "name": "limits", "nameLocation": "1914:6:0", "nodeType": "VariableDeclaration", "scope": 103, "src": "1879:41:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_GasAndDataLimits_$5391_memory_ptr", "typeString": "struct IPaymaster.GasAndDataLimits" }, "typeName": { "id": 91, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 90, "name": "IPaymaster.GasAndDataLimits", "nodeType": "IdentifierPath", "referencedDeclaration": 5391, "src": "1879:27:0" }, "referencedDeclaration": 5391, "src": "1879:27:0", "typeDescriptions": { "typeIdentifier": "t_struct$_GasAndDataLimits_$5391_storage_ptr", "typeString": "struct IPaymaster.GasAndDataLimits" } }, "visibility": "internal" } ], "src": "1869:57:0" }, "scope": 397, "src": "1781:362:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "body": { "id": 126, "nodeType": "Block", "src": "2441:174:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 116, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 111, "name": "getTrustedForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 248, "src": "2459:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 112, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2459:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "expression": { "expression": { "id": 113, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 107, "src": "2484:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } }, "id": 114, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "relayData", "nodeType": "MemberAccess", "referencedDeclaration": 8490, "src": "2484:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData calldata" } }, "id": 115, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "forwarder", "nodeType": "MemberAccess", "referencedDeclaration": 8479, "src": "2484:32:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2459:57:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "466f72776172646572206973206e6f742074727573746564", "id": 117, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2518:26:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_3a2fca03255f31860c82d52f1191f77065f7ff670c017cd47e3568fc231bf429", "typeString": "literal_string \"Forwarder is not trusted\"" }, "value": "Forwarder is not trusted" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_3a2fca03255f31860c82d52f1191f77065f7ff670c017cd47e3568fc231bf429", "typeString": "literal_string \"Forwarder is not trusted\"" } ], "id": 110, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2451:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 118, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2451:94:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 119, "nodeType": "ExpressionStatement", "src": "2451:94:0" }, { "expression": { "arguments": [ { "id": 123, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 107, "src": "2595:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } ], "expression": { "id": 120, "name": "GsnEip712Library", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8464, "src": "2555:16:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_GsnEip712Library_$8464_$", "typeString": "type(library GsnEip712Library)" } }, "id": 122, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "verifyForwarderTrusted", "nodeType": "MemberAccess", "referencedDeclaration": 8210, "src": "2555:39:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_RelayRequest_$8491_calldata_ptr_$returns$__$", "typeString": "function (struct GsnTypes.RelayRequest calldata) view" } }, "id": 124, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2555:53:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 125, "nodeType": "ExpressionStatement", "src": "2555:53:0" } ] }, "documentation": { "id": 104, "nodeType": "StructuredDocumentation", "src": "2149:178:0", "text": " @notice this method must be called from preRelayedCall to validate that the forwarder\n is approved by the paymaster as well as by the recipient contract." }, "id": 127, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyForwarder", "nameLocation": "2341:16:0", "nodeType": "FunctionDefinition", "parameters": { "id": 108, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 107, "mutability": "mutable", "name": "relayRequest", "nameLocation": "2389:12:0", "nodeType": "VariableDeclaration", "scope": 127, "src": "2358:43:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 106, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 105, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "2358:21:0" }, "referencedDeclaration": 8491, "src": "2358:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" } ], "src": "2357:45:0" }, "returnParameters": { "id": 109, "nodeType": "ParameterList", "parameters": [], "src": "2441:0:0" }, "scope": 397, "src": "2332:283:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 139, "nodeType": "Block", "src": "2674:87:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 135, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 131, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967281, "src": "2692:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 132, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "src": "2692:10:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 133, "name": "getRelayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 38, "src": "2706:11:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 134, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2706:13:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2692:27:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "63616e206f6e6c792062652063616c6c65642062792052656c6179487562", "id": 136, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2721:32:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_d169f51e5e283c8c890697eb898c30495d34dbb12b80eb91ce172a0d9c75ebfb", "typeString": "literal_string \"can only be called by RelayHub\"" }, "value": "can only be called by RelayHub" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_d169f51e5e283c8c890697eb898c30495d34dbb12b80eb91ce172a0d9c75ebfb", "typeString": "literal_string \"can only be called by RelayHub\"" } ], "id": 130, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2684:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 137, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2684:70:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 138, "nodeType": "ExpressionStatement", "src": "2684:70:0" } ] }, "id": 140, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyRelayHubOnly", "nameLocation": "2630:19:0", "nodeType": "FunctionDefinition", "parameters": { "id": 128, "nodeType": "ParameterList", "parameters": [], "src": "2649:2:0" }, "returnParameters": { "id": 129, "nodeType": "ParameterList", "parameters": [], "src": "2674:0:0" }, "scope": 397, "src": "2621:140:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 155, "nodeType": "Block", "src": "2855:89:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 151, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "expression": { "id": 147, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 143, "src": "2873:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } }, "id": 148, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "request", "nodeType": "MemberAccess", "referencedDeclaration": 8487, "src": "2873:20:0", "typeDescriptions": { "typeIdentifier": "t_struct$_ForwardRequest_$5058_calldata_ptr", "typeString": "struct IForwarder.ForwardRequest calldata" } }, "id": 149, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "referencedDeclaration": 5049, "src": "2873:26:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 150, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2903:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2873:31:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "76616c7565207472616e73666572206e6f7420737570706f72746564", "id": 152, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2906:30:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_e16e7b15b3ab333edb68f7b1a990600092795acc5fc3b3a41ef443557f01e8e8", "typeString": "literal_string \"value transfer not supported\"" }, "value": "value transfer not supported" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_e16e7b15b3ab333edb68f7b1a990600092795acc5fc3b3a41ef443557f01e8e8", "typeString": "literal_string \"value transfer not supported\"" } ], "id": 146, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2865:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 153, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2865:72:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 154, "nodeType": "ExpressionStatement", "src": "2865:72:0" } ] }, "id": 156, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyValue", "nameLocation": "2776:12:0", "nodeType": "FunctionDefinition", "parameters": { "id": 144, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 143, "mutability": "mutable", "name": "relayRequest", "nameLocation": "2820:12:0", "nodeType": "VariableDeclaration", "scope": 156, "src": "2789:43:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 142, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 141, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "2789:21:0" }, "referencedDeclaration": 8491, "src": "2789:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" } ], "src": "2788:45:0" }, "returnParameters": { "id": 145, "nodeType": "ParameterList", "parameters": [], "src": "2855:0:0" }, "scope": 397, "src": "2767:177:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 172, "nodeType": "Block", "src": "3047:106:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 168, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "expression": { "expression": { "id": 163, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 159, "src": "3065:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } }, "id": 164, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "relayData", "nodeType": "MemberAccess", "referencedDeclaration": 8490, "src": "3065:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData calldata" } }, "id": 165, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "paymasterData", "nodeType": "MemberAccess", "referencedDeclaration": 8481, "src": "3065:36:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "id": 166, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "3065:43:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 167, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3112:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "3065:48:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "73686f756c642068617665206e6f207061796d617374657244617461", "id": 169, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3115:30:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_182b40eb1561ed39a86edc754bf2a5f045daef24c145773d4b18340a470251b6", "typeString": "literal_string \"should have no paymasterData\"" }, "value": "should have no paymasterData" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_182b40eb1561ed39a86edc754bf2a5f045daef24c145773d4b18340a470251b6", "typeString": "literal_string \"should have no paymasterData\"" } ], "id": 162, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "3057:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 170, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3057:89:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 171, "nodeType": "ExpressionStatement", "src": "3057:89:0" } ] }, "id": 173, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyPaymasterData", "nameLocation": "2959:20:0", "nodeType": "FunctionDefinition", "parameters": { "id": 160, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 159, "mutability": "mutable", "name": "relayRequest", "nameLocation": "3011:12:0", "nodeType": "VariableDeclaration", "scope": 173, "src": "2980:43:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 158, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 157, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "2980:21:0" }, "referencedDeclaration": 8491, "src": "2980:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" } ], "src": "2979:45:0" }, "returnParameters": { "id": 161, "nodeType": "ParameterList", "parameters": [], "src": "3047:0:0" }, "scope": 397, "src": "2950:203:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 186, "nodeType": "Block", "src": "3238:81:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 182, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 179, "name": "approvalData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 175, "src": "3256:12:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "id": 180, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "3256:19:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 181, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3279:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "3256:24:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "73686f756c642068617665206e6f20617070726f76616c44617461", "id": 183, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3282:29:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_fccc4b6995a94cdc6e6e9a1b088f6ad31bd641a326f5e5ddcc3773886206aa37", "typeString": "literal_string \"should have no approvalData\"" }, "value": "should have no approvalData" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_fccc4b6995a94cdc6e6e9a1b088f6ad31bd641a326f5e5ddcc3773886206aa37", "typeString": "literal_string \"should have no approvalData\"" } ], "id": 178, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "3248:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 184, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3248:64:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 185, "nodeType": "ExpressionStatement", "src": "3248:64:0" } ] }, "id": 187, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyApprovalData", "nameLocation": "3168:19:0", "nodeType": "FunctionDefinition", "parameters": { "id": 176, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 175, "mutability": "mutable", "name": "approvalData", "nameLocation": "3203:12:0", "nodeType": "VariableDeclaration", "scope": 187, "src": "3188:27:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 174, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3188:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "3187:29:0" }, "returnParameters": { "id": 177, "nodeType": "ParameterList", "parameters": [], "src": "3238:0:0" }, "scope": 397, "src": "3159:160:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 214, "nodeType": "Block", "src": "3604:144:0", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "expression": { "arguments": [ { "id": 203, "name": "IRelayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5896, "src": "3658:9:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IRelayHub_$5896_$", "typeString": "type(contract IRelayHub)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_IRelayHub_$5896_$", "typeString": "type(contract IRelayHub)" } ], "id": 202, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "3653:4:0", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 204, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3653:15:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_IRelayHub_$5896", "typeString": "type(contract IRelayHub)" } }, "id": 205, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "3653:27:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "arguments": [ { "id": 199, "name": "hub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 191, "src": "3630:3:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } ], "id": 198, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "3622:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 197, "name": "address", "nodeType": "ElementaryTypeName", "src": "3622:7:0", "typeDescriptions": {} } }, "id": 200, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3622:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 201, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "supportsInterface", "nodeType": "MemberAccess", "referencedDeclaration": 12196, "src": "3622:30:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_bytes4_$returns$_t_bool_$bound_to$_t_address_$", "typeString": "function (address,bytes4) view returns (bool)" } }, "id": 206, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3622:59:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "746172676574206973206e6f7420612076616c6964204952656c6179487562", "id": 207, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3683:33:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_b62b61dba941996cba530085b5313ea27667d0ee2b85e1209b8aedd3e5e9398e", "typeString": "literal_string \"target is not a valid IRelayHub\"" }, "value": "target is not a valid IRelayHub" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b62b61dba941996cba530085b5313ea27667d0ee2b85e1209b8aedd3e5e9398e", "typeString": "literal_string \"target is not a valid IRelayHub\"" } ], "id": 196, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "3614:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 208, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3614:103:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 209, "nodeType": "ExpressionStatement", "src": "3614:103:0" }, { "expression": { "id": 212, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 210, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "3727:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 211, "name": "hub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 191, "src": "3738:3:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "src": "3727:14:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "id": 213, "nodeType": "ExpressionStatement", "src": "3727:14:0" } ] }, "documentation": { "id": 188, "nodeType": "StructuredDocumentation", "src": "3325:221:0", "text": " @notice The owner of the Paymaster can change the instance of the RelayHub this Paymaster works with.\n :warning: **Warning** :warning: The deposit on the previous RelayHub must be withdrawn first." }, "functionSelector": "7bb05264", "id": 215, "implemented": true, "kind": "function", "modifiers": [ { "id": 194, "kind": "modifierInvocation", "modifierName": { "id": 193, "name": "onlyOwner", "nodeType": "IdentifierPath", "referencedDeclaration": 10101, "src": "3594:9:0" }, "nodeType": "ModifierInvocation", "src": "3594:9:0" } ], "name": "setRelayHub", "nameLocation": "3560:11:0", "nodeType": "FunctionDefinition", "parameters": { "id": 192, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 191, "mutability": "mutable", "name": "hub", "nameLocation": "3582:3:0", "nodeType": "VariableDeclaration", "scope": 215, "src": "3572:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" }, "typeName": { "id": 190, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 189, "name": "IRelayHub", "nodeType": "IdentifierPath", "referencedDeclaration": 5896, "src": "3572:9:0" }, "referencedDeclaration": 5896, "src": "3572:9:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "visibility": "internal" } ], "src": "3571:15:0" }, "returnParameters": { "id": 195, "nodeType": "ParameterList", "parameters": [], "src": "3604:0:0" }, "scope": 397, "src": "3551:197:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "body": { "id": 238, "nodeType": "Block", "src": "4070:158:0", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "expression": { "arguments": [ { "id": 227, "name": "IForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5129, "src": "4121:10:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IForwarder_$5129_$", "typeString": "type(contract IForwarder)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_IForwarder_$5129_$", "typeString": "type(contract IForwarder)" } ], "id": 226, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "4116:4:0", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 228, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4116:16:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_IForwarder_$5129", "typeString": "type(contract IForwarder)" } }, "id": 229, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "4116:28:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "id": 224, "name": "forwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 218, "src": "4088:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 225, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "supportsInterface", "nodeType": "MemberAccess", "referencedDeclaration": 12196, "src": "4088:27:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_bytes4_$returns$_t_bool_$bound_to$_t_address_$", "typeString": "function (address,bytes4) view returns (bool)" } }, "id": 230, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4088:57:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "746172676574206973206e6f7420612076616c69642049466f72776172646572", "id": 231, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4147:34:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_4f35ce95c64a40a715e95a1b7d3fe84cf613d64347e430eb5f35903ecdb7e24d", "typeString": "literal_string \"target is not a valid IForwarder\"" }, "value": "target is not a valid IForwarder" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_4f35ce95c64a40a715e95a1b7d3fe84cf613d64347e430eb5f35903ecdb7e24d", "typeString": "literal_string \"target is not a valid IForwarder\"" } ], "id": 223, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "4080:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 232, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4080:102:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 233, "nodeType": "ExpressionStatement", "src": "4080:102:0" }, { "expression": { "id": 236, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 234, "name": "_trustedForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25, "src": "4192:17:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 235, "name": "forwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 218, "src": "4212:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4192:29:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 237, "nodeType": "ExpressionStatement", "src": "4192:29:0" } ] }, "documentation": { "id": 216, "nodeType": "StructuredDocumentation", "src": "3754:238:0", "text": " @notice The owner of the Paymaster can change the instance of the Forwarder this Paymaster works with.\n @notice the Recipients must trust this Forwarder as well in order for the configuration to remain functional." }, "functionSelector": "da742228", "id": 239, "implemented": true, "kind": "function", "modifiers": [ { "id": 221, "kind": "modifierInvocation", "modifierName": { "id": 220, "name": "onlyOwner", "nodeType": "IdentifierPath", "referencedDeclaration": 10101, "src": "4060:9:0" }, "nodeType": "ModifierInvocation", "src": "4060:9:0" } ], "name": "setTrustedForwarder", "nameLocation": "4006:19:0", "nodeType": "FunctionDefinition", "parameters": { "id": 219, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 218, "mutability": "mutable", "name": "forwarder", "nameLocation": "4034:9:0", "nodeType": "VariableDeclaration", "scope": 239, "src": "4026:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 217, "name": "address", "nodeType": "ElementaryTypeName", "src": "4026:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "4025:19:0" }, "returnParameters": { "id": 222, "nodeType": "ParameterList", "parameters": [], "src": "4070:0:0" }, "scope": 397, "src": "3997:231:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 5404 ], "body": { "id": 247, "nodeType": "Block", "src": "4311:41:0", "statements": [ { "expression": { "id": 245, "name": "_trustedForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25, "src": "4328:17:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 244, "id": 246, "nodeType": "Return", "src": "4321:24:0" } ] }, "functionSelector": "ce1b815f", "id": 248, "implemented": true, "kind": "function", "modifiers": [], "name": "getTrustedForwarder", "nameLocation": "4243:19:0", "nodeType": "FunctionDefinition", "overrides": { "id": 241, "nodeType": "OverrideSpecifier", "overrides": [], "src": "4285:8:0" }, "parameters": { "id": 240, "nodeType": "ParameterList", "parameters": [], "src": "4262:2:0" }, "returnParameters": { "id": 244, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 243, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 248, "src": "4303:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 242, "name": "address", "nodeType": "ElementaryTypeName", "src": "4303:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "4302:9:0" }, "scope": 397, "src": "4234:118:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "body": { "id": 277, "nodeType": "Block", "src": "4616:147:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 261, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [ { "id": 255, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "4642:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } ], "id": 254, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4634:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 253, "name": "address", "nodeType": "ElementaryTypeName", "src": "4634:7:0", "typeDescriptions": {} } }, "id": 256, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4634:17:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 259, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4663:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 258, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4655:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 257, "name": "address", "nodeType": "ElementaryTypeName", "src": "4655:7:0", "typeDescriptions": {} } }, "id": 260, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4655:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4634:31:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "72656c6179206875622061646472657373206e6f7420736574", "id": 262, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4667:27:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_2e4bcc216326d2d371e2433ec8e1af9c54827701515af7cd10f9acc79120d313", "typeString": "literal_string \"relay hub address not set\"" }, "value": "relay hub address not set" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_2e4bcc216326d2d371e2433ec8e1af9c54827701515af7cd10f9acc79120d313", "typeString": "literal_string \"relay hub address not set\"" } ], "id": 252, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "4626:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 263, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4626:69:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 264, "nodeType": "ExpressionStatement", "src": "4626:69:0" }, { "expression": { "arguments": [ { "arguments": [ { "id": 273, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967268, "src": "4750:4:0", "typeDescriptions": { "typeIdentifier": "t_contract$_BasePaymaster_$397", "typeString": "contract BasePaymaster" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_BasePaymaster_$397", "typeString": "contract BasePaymaster" } ], "id": 272, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4742:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 271, "name": "address", "nodeType": "ElementaryTypeName", "src": "4742:7:0", "typeDescriptions": {} } }, "id": 274, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4742:13:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "id": 265, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "4705:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "id": 267, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "depositFor", "nodeType": "MemberAccess", "referencedDeclaration": 5687, "src": "4705:19:0", "typeDescriptions": { "typeIdentifier": "t_function_external_payable$_t_address_$returns$__$", "typeString": "function (address) payable external" } }, "id": 270, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "names": [ "value" ], "nodeType": "FunctionCallOptions", "options": [ { "expression": { "id": 268, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967281, "src": "4731:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 269, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "src": "4731:9:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "src": "4705:36:0", "typeDescriptions": { "typeIdentifier": "t_function_external_payable$_t_address_$returns$__$value", "typeString": "function (address) payable external" } }, "id": 275, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4705:51:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 276, "nodeType": "ExpressionStatement", "src": "4705:51:0" } ] }, "documentation": { "id": 249, "nodeType": "StructuredDocumentation", "src": "4358:218:0", "text": " @notice Any native Ether transferred into the paymaster is transferred as a deposit to the RelayHub.\n This way, we don't need to understand the RelayHub API in order to replenish the paymaster." }, "id": 278, "implemented": true, "kind": "receive", "modifiers": [], "name": "", "nameLocation": "-1:-1:-1", "nodeType": "FunctionDefinition", "parameters": { "id": 250, "nodeType": "ParameterList", "parameters": [], "src": "4588:2:0" }, "returnParameters": { "id": 251, "nodeType": "ParameterList", "parameters": [], "src": "4616:0:0" }, "scope": 397, "src": "4581:182:0", "stateMutability": "payable", "virtual": true, "visibility": "external" }, { "body": { "id": 295, "nodeType": "Block", "src": "5067:50:0", "statements": [ { "expression": { "arguments": [ { "id": 291, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 283, "src": "5095:6:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 292, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 281, "src": "5103:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 288, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "5077:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "id": 290, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "withdraw", "nodeType": "MemberAccess", "referencedDeclaration": 5695, "src": "5077:17:0", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_payable_$_t_uint256_$returns$__$", "typeString": "function (address payable,uint256) external" } }, "id": 293, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5077:33:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 294, "nodeType": "ExpressionStatement", "src": "5077:33:0" } ] }, "documentation": { "id": 279, "nodeType": "StructuredDocumentation", "src": "4769:201:0", "text": " @notice Withdraw deposit from the RelayHub.\n @param amount The amount to be subtracted from the sender.\n @param target The target to which the amount will be transferred." }, "functionSelector": "2d14c4b7", "id": 296, "implemented": true, "kind": "function", "modifiers": [ { "id": 286, "kind": "modifierInvocation", "modifierName": { "id": 285, "name": "onlyOwner", "nodeType": "IdentifierPath", "referencedDeclaration": 10101, "src": "5057:9:0" }, "nodeType": "ModifierInvocation", "src": "5057:9:0" } ], "name": "withdrawRelayHubDepositTo", "nameLocation": "4984:25:0", "nodeType": "FunctionDefinition", "parameters": { "id": 284, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 281, "mutability": "mutable", "name": "amount", "nameLocation": "5018:6:0", "nodeType": "VariableDeclaration", "scope": 296, "src": "5010:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 280, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5010:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 283, "mutability": "mutable", "name": "target", "nameLocation": "5042:6:0", "nodeType": "VariableDeclaration", "scope": 296, "src": "5026:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 282, "name": "address", "nodeType": "ElementaryTypeName", "src": "5026:15:0", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "visibility": "internal" } ], "src": "5009:40:0" }, "returnParameters": { "id": 287, "nodeType": "ParameterList", "parameters": [], "src": "5067:0:0" }, "scope": 397, "src": "4975:142:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "baseFunctions": [ 5427 ], "body": { "id": 340, "nodeType": "Block", "src": "5399:288:0", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 314, "name": "_verifyRelayHubOnly", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 140, "src": "5409:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$__$", "typeString": "function () view" } }, "id": 315, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5409:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 316, "nodeType": "ExpressionStatement", "src": "5409:21:0" }, { "expression": { "arguments": [ { "id": 318, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 300, "src": "5457:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } ], "id": 317, "name": "_verifyForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 127, "src": "5440:16:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_RelayRequest_$8491_calldata_ptr_$returns$__$", "typeString": "function (struct GsnTypes.RelayRequest calldata) view" } }, "id": 319, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5440:30:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 320, "nodeType": "ExpressionStatement", "src": "5440:30:0" }, { "expression": { "arguments": [ { "id": 322, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 300, "src": "5493:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } ], "id": 321, "name": "_verifyValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 156, "src": "5480:12:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_RelayRequest_$8491_calldata_ptr_$returns$__$", "typeString": "function (struct GsnTypes.RelayRequest calldata) view" } }, "id": 323, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5480:26:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 324, "nodeType": "ExpressionStatement", "src": "5480:26:0" }, { "expression": { "arguments": [ { "id": 326, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 300, "src": "5537:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } ], "id": 325, "name": "_verifyPaymasterData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 173, "src": "5516:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_RelayRequest_$8491_calldata_ptr_$returns$__$", "typeString": "function (struct GsnTypes.RelayRequest calldata) view" } }, "id": 327, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5516:34:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 328, "nodeType": "ExpressionStatement", "src": "5516:34:0" }, { "expression": { "arguments": [ { "id": 330, "name": "approvalData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 304, "src": "5580:12:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "id": 329, "name": "_verifyApprovalData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 187, "src": "5560:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_bytes_calldata_ptr_$returns$__$", "typeString": "function (bytes calldata) view" } }, "id": 331, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5560:33:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 332, "nodeType": "ExpressionStatement", "src": "5560:33:0" }, { "expression": { "arguments": [ { "id": 334, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 300, "src": "5626:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } }, { "id": 335, "name": "signature", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 302, "src": "5640:9:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, { "id": 336, "name": "approvalData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 304, "src": "5651:12:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, { "id": 337, "name": "maxPossibleGas", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 306, "src": "5665:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" }, { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" }, { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 333, "name": "_preRelayedCall", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 358, "src": "5610:15:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_struct$_RelayRequest_$8491_calldata_ptr_$_t_bytes_calldata_ptr_$_t_bytes_calldata_ptr_$_t_uint256_$returns$_t_bytes_memory_ptr_$_t_bool_$", "typeString": "function (struct GsnTypes.RelayRequest calldata,bytes calldata,bytes calldata,uint256) returns (bytes memory,bool)" } }, "id": 338, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5610:70:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bytes_memory_ptr_$_t_bool_$", "typeString": "tuple(bytes memory,bool)" } }, "functionReturnParameters": 313, "id": 339, "nodeType": "Return", "src": "5603:77:0" } ] }, "documentation": { "id": 297, "nodeType": "StructuredDocumentation", "src": "5123:26:0", "text": "@inheritdoc IPaymaster" }, "functionSelector": "00be5dd4", "id": 341, "implemented": true, "kind": "function", "modifiers": [], "name": "preRelayedCall", "nameLocation": "5163:14:0", "nodeType": "FunctionDefinition", "overrides": { "id": 308, "nodeType": "OverrideSpecifier", "overrides": [], "src": "5357:8:0" }, "parameters": { "id": 307, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 300, "mutability": "mutable", "name": "relayRequest", "nameLocation": "5218:12:0", "nodeType": "VariableDeclaration", "scope": 341, "src": "5187:43:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 299, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 298, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "5187:21:0" }, "referencedDeclaration": 8491, "src": "5187:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" }, { "constant": false, "id": 302, "mutability": "mutable", "name": "signature", "nameLocation": "5255:9:0", "nodeType": "VariableDeclaration", "scope": 341, "src": "5240:24:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 301, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5240:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 304, "mutability": "mutable", "name": "approvalData", "nameLocation": "5289:12:0", "nodeType": "VariableDeclaration", "scope": 341, "src": "5274:27:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 303, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5274:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 306, "mutability": "mutable", "name": "maxPossibleGas", "nameLocation": "5319:14:0", "nodeType": "VariableDeclaration", "scope": 341, "src": "5311:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 305, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5311:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "5177:162:0" }, "returnParameters": { "id": 313, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 310, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 341, "src": "5379:12:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 309, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5379:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 312, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 341, "src": "5393:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 311, "name": "bool", "nodeType": "ElementaryTypeName", "src": "5393:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "5378:20:0" }, "scope": 397, "src": "5154:533:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 342, "nodeType": "StructuredDocumentation", "src": "5693:211:0", "text": " @notice internal logic the paymasters need to provide to select which transactions they are willing to pay for\n @notice see the documentation for `IPaymaster::preRelayedCall` for details" }, "id": 358, "implemented": false, "kind": "function", "modifiers": [], "name": "_preRelayedCall", "nameLocation": "5918:15:0", "nodeType": "FunctionDefinition", "parameters": { "id": 352, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 345, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "5943:30:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 344, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 343, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "5943:21:0" }, "referencedDeclaration": 8491, "src": "5943:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" }, { "constant": false, "id": 347, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "5983:14:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 346, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5983:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 349, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "6007:14:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 348, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6007:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 351, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "6031:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 350, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6031:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "5933:111:0" }, "returnParameters": { "id": 357, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 354, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "6083:12:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 353, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6083:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 356, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "6097:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 355, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6097:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "6082:20:0" }, "scope": 397, "src": "5909:194:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "baseFunctions": [ 5440 ], "body": { "id": 382, "nodeType": "Block", "src": "6337:112:0", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 372, "name": "_verifyRelayHubOnly", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 140, "src": "6347:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$__$", "typeString": "function () view" } }, "id": 373, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6347:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 374, "nodeType": "ExpressionStatement", "src": "6347:21:0" }, { "expression": { "arguments": [ { "id": 376, "name": "context", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 361, "src": "6395:7:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, { "id": 377, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 363, "src": "6404:7:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "id": 378, "name": "gasUseWithoutPost", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 365, "src": "6413:17:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 379, "name": "relayData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 368, "src": "6432:9:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" }, { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData calldata" } ], "id": 375, "name": "_postRelayedCall", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 396, "src": "6378:16:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_bytes_calldata_ptr_$_t_bool_$_t_uint256_$_t_struct$_RelayData_$8484_calldata_ptr_$returns$__$", "typeString": "function (bytes calldata,bool,uint256,struct GsnTypes.RelayData calldata)" } }, "id": 380, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6378:64:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 381, "nodeType": "ExpressionStatement", "src": "6378:64:0" } ] }, "documentation": { "id": 359, "nodeType": "StructuredDocumentation", "src": "6109:26:0", "text": "@inheritdoc IPaymaster" }, "functionSelector": "76fa01c3", "id": 383, "implemented": true, "kind": "function", "modifiers": [], "name": "postRelayedCall", "nameLocation": "6149:15:0", "nodeType": "FunctionDefinition", "overrides": { "id": 370, "nodeType": "OverrideSpecifier", "overrides": [], "src": "6324:8:0" }, "parameters": { "id": 369, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 361, "mutability": "mutable", "name": "context", "nameLocation": "6189:7:0", "nodeType": "VariableDeclaration", "scope": 383, "src": "6174:22:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 360, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6174:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 363, "mutability": "mutable", "name": "success", "nameLocation": "6211:7:0", "nodeType": "VariableDeclaration", "scope": 383, "src": "6206:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 362, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6206:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, { "constant": false, "id": 365, "mutability": "mutable", "name": "gasUseWithoutPost", "nameLocation": "6236:17:0", "nodeType": "VariableDeclaration", "scope": 383, "src": "6228:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 364, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6228:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 368, "mutability": "mutable", "name": "relayData", "nameLocation": "6291:9:0", "nodeType": "VariableDeclaration", "scope": 383, "src": "6263:37:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData" }, "typeName": { "id": 367, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 366, "name": "GsnTypes.RelayData", "nodeType": "IdentifierPath", "referencedDeclaration": 8484, "src": "6263:18:0" }, "referencedDeclaration": 8484, "src": "6263:18:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_storage_ptr", "typeString": "struct GsnTypes.RelayData" } }, "visibility": "internal" } ], "src": "6164:142:0" }, "returnParameters": { "id": 371, "nodeType": "ParameterList", "parameters": [], "src": "6337:0:0" }, "scope": 397, "src": "6140:309:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 384, "nodeType": "StructuredDocumentation", "src": "6455:210:0", "text": " @notice internal logic the paymasters need to provide if they need to take some action after the transaction\n @notice see the documentation for `IPaymaster::postRelayedCall` for details" }, "id": 396, "implemented": false, "kind": "function", "modifiers": [], "name": "_postRelayedCall", "nameLocation": "6679:16:0", "nodeType": "FunctionDefinition", "parameters": { "id": 394, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 386, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 396, "src": "6705:14:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 385, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6705:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 388, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 396, "src": "6729:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 387, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6729:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, { "constant": false, "id": 390, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 396, "src": "6743:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 389, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6743:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 393, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 396, "src": "6760:27:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData" }, "typeName": { "id": 392, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 391, "name": "GsnTypes.RelayData", "nodeType": "IdentifierPath", "referencedDeclaration": 8484, "src": "6760:18:0" }, "referencedDeclaration": 8484, "src": "6760:18:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_storage_ptr", "typeString": "struct GsnTypes.RelayData" } }, "visibility": "internal" } ], "src": "6695:98:0" }, "returnParameters": { "id": 395, "nodeType": "ParameterList", "parameters": [], "src": "6818:0:0" }, "scope": 397, "src": "6670:149:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 398, "src": "618:6203:0", "usedErrors": [] } ], "src": "0:6821:0" }, "legacyAST": { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/BasePaymaster.sol", "exportedSymbols": { "BasePaymaster": [ 397 ], "Context": [ 11508 ], "ERC165": [ 12146 ], "ERC165Checker": [ 12340 ], "GsnEip712Library": [ 8464 ], "GsnTypes": [ 8492 ], "GsnUtils": [ 8572 ], "IERC165": [ 12352 ], "IERC20": [ 10849 ], "IERC2771Recipient": [ 5374 ], "IForwarder": [ 5129 ], "IPaymaster": [ 5447 ], "IRelayHub": [ 5896 ], "IStakeManager": [ 6284 ], "MinLibBytes": [ 8687 ], "Ownable": [ 10182 ] }, "id": 398, "license": "GPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", ">=", "0.7", ".6" ], "nodeType": "PragmaDirective", "src": "0:24:0" }, { "id": 2, "literals": [ "abicoder", "v2" ], "nodeType": "PragmaDirective", "src": "25:19:0" }, { "absolutePath": "@openzeppelin/contracts/access/Ownable.sol", "file": "@openzeppelin/contracts/access/Ownable.sol", "id": 3, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 10183, "src": "88:52:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/ERC165.sol", "file": "@openzeppelin/contracts/utils/introspection/ERC165.sol", "id": 4, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 12147, "src": "141:64:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol", "file": "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol", "id": 5, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 12341, "src": "206:71:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/utils/GsnTypes.sol", "file": "./utils/GsnTypes.sol", "id": 6, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 8493, "src": "279:30:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IPaymaster.sol", "file": "./interfaces/IPaymaster.sol", "id": 7, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 5448, "src": "310:37:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IRelayHub.sol", "file": "./interfaces/IRelayHub.sol", "id": 8, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 5897, "src": "348:36:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/utils/GsnEip712Library.sol", "file": "./utils/GsnEip712Library.sol", "id": 9, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 8465, "src": "385:38:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/forwarder/IForwarder.sol", "file": "./forwarder/IForwarder.sol", "id": 10, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 398, "sourceUnit": 5130, "src": "424:36:0", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 12, "name": "IPaymaster", "nodeType": "IdentifierPath", "referencedDeclaration": 5447, "src": "653:10:0" }, "id": 13, "nodeType": "InheritanceSpecifier", "src": "653:10:0" }, { "baseName": { "id": 14, "name": "Ownable", "nodeType": "IdentifierPath", "referencedDeclaration": 10182, "src": "665:7:0" }, "id": 15, "nodeType": "InheritanceSpecifier", "src": "665:7:0" }, { "baseName": { "id": 16, "name": "ERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 12146, "src": "674:6:0" }, "id": 17, "nodeType": "InheritanceSpecifier", "src": "674:6:0" } ], "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 11, "nodeType": "StructuredDocumentation", "src": "462:155:0", "text": " @notice An abstract base class to be inherited by a concrete Paymaster.\n A subclass must implement:\n - preRelayedCall\n - postRelayedCall" }, "fullyImplemented": false, "id": 397, "linearizedBaseContracts": [ 397, 12146, 10182, 11508, 5447, 12352 ], "name": "BasePaymaster", "nameLocation": "636:13:0", "nodeType": "ContractDefinition", "nodes": [ { "id": 20, "libraryName": { "id": 18, "name": "ERC165Checker", "nodeType": "IdentifierPath", "referencedDeclaration": 12340, "src": "693:13:0" }, "nodeType": "UsingForDirective", "src": "687:32:0", "typeName": { "id": 19, "name": "address", "nodeType": "ElementaryTypeName", "src": "711:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } }, { "constant": false, "id": 23, "mutability": "mutable", "name": "relayHub", "nameLocation": "744:8:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "725:27:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" }, "typeName": { "id": 22, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 21, "name": "IRelayHub", "nodeType": "IdentifierPath", "referencedDeclaration": 5896, "src": "725:9:0" }, "referencedDeclaration": 5896, "src": "725:9:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "visibility": "internal" }, { "constant": false, "id": 25, "mutability": "mutable", "name": "_trustedForwarder", "nameLocation": "774:17:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "758:33:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 24, "name": "address", "nodeType": "ElementaryTypeName", "src": "758:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "private" }, { "baseFunctions": [ 5410 ], "body": { "id": 37, "nodeType": "Block", "src": "891:41:0", "statements": [ { "expression": { "arguments": [ { "id": 34, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "916:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } ], "id": 33, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "908:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 32, "name": "address", "nodeType": "ElementaryTypeName", "src": "908:7:0", "typeDescriptions": {} } }, "id": 35, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "908:17:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 31, "id": 36, "nodeType": "Return", "src": "901:24:0" } ] }, "documentation": { "id": 26, "nodeType": "StructuredDocumentation", "src": "798:26:0", "text": "@inheritdoc IPaymaster" }, "functionSelector": "7bdf2ec7", "id": 38, "implemented": true, "kind": "function", "modifiers": [], "name": "getRelayHub", "nameLocation": "838:11:0", "nodeType": "FunctionDefinition", "overrides": { "id": 28, "nodeType": "OverrideSpecifier", "overrides": [], "src": "859:8:0" }, "parameters": { "id": 27, "nodeType": "ParameterList", "parameters": [], "src": "849:2:0" }, "returnParameters": { "id": 31, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 30, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 38, "src": "882:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 29, "name": "address", "nodeType": "ElementaryTypeName", "src": "882:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "881:9:0" }, "scope": 397, "src": "829:103:0", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "constant": true, "functionSelector": "b90b41cf", "id": 41, "mutability": "constant", "name": "FORWARDER_HUB_OVERHEAD", "nameLocation": "1027:22:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1003:54:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 39, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1003:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "3530303030", "id": 40, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1052:5:0", "typeDescriptions": { "typeIdentifier": "t_rational_50000_by_1", "typeString": "int_const 50000" }, "value": "50000" }, "visibility": "public" }, { "constant": true, "functionSelector": "f9c002f7", "id": 44, "mutability": "constant", "name": "PRE_RELAYED_CALL_GAS_LIMIT", "nameLocation": "1157:26:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1133:59:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 42, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1133:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "313030303030", "id": 43, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1186:6:0", "typeDescriptions": { "typeIdentifier": "t_rational_100000_by_1", "typeString": "int_const 100000" }, "value": "100000" }, "visibility": "public" }, { "constant": true, "functionSelector": "bbdaa3c9", "id": 47, "mutability": "constant", "name": "POST_RELAYED_CALL_GAS_LIMIT", "nameLocation": "1222:27:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1198:60:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 45, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1198:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "313130303030", "id": 46, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1252:6:0", "typeDescriptions": { "typeIdentifier": "t_rational_110000_by_1", "typeString": "int_const 110000" }, "value": "110000" }, "visibility": "public" }, { "constant": true, "functionSelector": "df463a66", "id": 52, "mutability": "constant", "name": "PAYMASTER_ACCEPTANCE_BUDGET", "nameLocation": "1288:27:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1264:105:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 48, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1264:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 51, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "id": 49, "name": "PRE_RELAYED_CALL_GAS_LIMIT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 44, "src": "1318:26:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 50, "name": "FORWARDER_HUB_OVERHEAD", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 41, "src": "1347:22:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1318:51:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "public" }, { "constant": true, "functionSelector": "5c5e3db1", "id": 55, "mutability": "constant", "name": "CALLDATA_SIZE_LIMIT", "nameLocation": "1399:19:0", "nodeType": "VariableDeclaration", "scope": 397, "src": "1375:51:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 53, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1375:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "3130353030", "id": 54, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1421:5:0", "typeDescriptions": { "typeIdentifier": "t_rational_10500_by_1", "typeString": "int_const 10500" }, "value": "10500" }, "visibility": "public" }, { "baseFunctions": [ 12145, 12351 ], "body": { "id": 85, "nodeType": "Block", "src": "1569:175:0", "statements": [ { "expression": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 83, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 78, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 71, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 66, "name": "interfaceId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 58, "src": "1586:11:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "expression": { "arguments": [ { "id": 68, "name": "IPaymaster", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5447, "src": "1606:10:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IPaymaster_$5447_$", "typeString": "type(contract IPaymaster)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_IPaymaster_$5447_$", "typeString": "type(contract IPaymaster)" } ], "id": 67, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "1601:4:0", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 69, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1601:16:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_IPaymaster_$5447", "typeString": "type(contract IPaymaster)" } }, "id": 70, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "1601:28:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "src": "1586:43:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 77, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 72, "name": "interfaceId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 58, "src": "1645:11:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "expression": { "arguments": [ { "id": 74, "name": "Ownable", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10182, "src": "1665:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_Ownable_$10182_$", "typeString": "type(contract Ownable)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_Ownable_$10182_$", "typeString": "type(contract Ownable)" } ], "id": 73, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "1660:4:0", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 75, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1660:13:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_Ownable_$10182", "typeString": "type(contract Ownable)" } }, "id": 76, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "1660:25:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "src": "1645:40:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1586:99:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "arguments": [ { "id": 81, "name": "interfaceId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 58, "src": "1725:11:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "id": 79, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967271, "src": "1701:5:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_super$_BasePaymaster_$397_$", "typeString": "type(contract super BasePaymaster)" } }, "id": 80, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "supportsInterface", "nodeType": "MemberAccess", "referencedDeclaration": 12145, "src": "1701:23:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_bytes4_$returns$_t_bool_$", "typeString": "function (bytes4) view returns (bool)" } }, "id": 82, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1701:36:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1586:151:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 65, "id": 84, "nodeType": "Return", "src": "1579:158:0" } ] }, "documentation": { "id": 56, "nodeType": "StructuredDocumentation", "src": "1433:23:0", "text": "@inheritdoc IERC165" }, "functionSelector": "01ffc9a7", "id": 86, "implemented": true, "kind": "function", "modifiers": [], "name": "supportsInterface", "nameLocation": "1470:17:0", "nodeType": "FunctionDefinition", "overrides": { "id": 62, "nodeType": "OverrideSpecifier", "overrides": [ { "id": 60, "name": "IERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 12352, "src": "1537:7:0" }, { "id": 61, "name": "ERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 12146, "src": "1546:6:0" } ], "src": "1528:25:0" }, "parameters": { "id": 59, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 58, "mutability": "mutable", "name": "interfaceId", "nameLocation": "1495:11:0", "nodeType": "VariableDeclaration", "scope": 86, "src": "1488:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 57, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "1488:6:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "visibility": "internal" } ], "src": "1487:20:0" }, "returnParameters": { "id": 65, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 64, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 86, "src": "1563:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 63, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1563:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "1562:6:0" }, "scope": 397, "src": "1461:283:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 5398 ], "body": { "id": 102, "nodeType": "Block", "src": "1927:216:0", "statements": [ { "expression": { "arguments": [ { "id": 96, "name": "PAYMASTER_ACCEPTANCE_BUDGET", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 52, "src": "1985:27:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 97, "name": "PRE_RELAYED_CALL_GAS_LIMIT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 44, "src": "2026:26:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 98, "name": "POST_RELAYED_CALL_GAS_LIMIT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 47, "src": "2066:27:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 99, "name": "CALLDATA_SIZE_LIMIT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 55, "src": "2107:19:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 94, "name": "IPaymaster", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5447, "src": "1944:10:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IPaymaster_$5447_$", "typeString": "type(contract IPaymaster)" } }, "id": 95, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "GasAndDataLimits", "nodeType": "MemberAccess", "referencedDeclaration": 5391, "src": "1944:27:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_struct$_GasAndDataLimits_$5391_storage_ptr_$", "typeString": "type(struct IPaymaster.GasAndDataLimits storage pointer)" } }, "id": 100, "isConstant": false, "isLValue": false, "isPure": true, "kind": "structConstructorCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1944:192:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_GasAndDataLimits_$5391_memory_ptr", "typeString": "struct IPaymaster.GasAndDataLimits memory" } }, "functionReturnParameters": 93, "id": 101, "nodeType": "Return", "src": "1937:199:0" } ] }, "documentation": { "id": 87, "nodeType": "StructuredDocumentation", "src": "1750:26:0", "text": "@inheritdoc IPaymaster" }, "functionSelector": "b039a88f", "id": 103, "implemented": true, "kind": "function", "modifiers": [], "name": "getGasAndDataLimits", "nameLocation": "1790:19:0", "nodeType": "FunctionDefinition", "overrides": { "id": 89, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1827:8:0" }, "parameters": { "id": 88, "nodeType": "ParameterList", "parameters": [], "src": "1809:2:0" }, "returnParameters": { "id": 93, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 92, "mutability": "mutable", "name": "limits", "nameLocation": "1914:6:0", "nodeType": "VariableDeclaration", "scope": 103, "src": "1879:41:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_GasAndDataLimits_$5391_memory_ptr", "typeString": "struct IPaymaster.GasAndDataLimits" }, "typeName": { "id": 91, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 90, "name": "IPaymaster.GasAndDataLimits", "nodeType": "IdentifierPath", "referencedDeclaration": 5391, "src": "1879:27:0" }, "referencedDeclaration": 5391, "src": "1879:27:0", "typeDescriptions": { "typeIdentifier": "t_struct$_GasAndDataLimits_$5391_storage_ptr", "typeString": "struct IPaymaster.GasAndDataLimits" } }, "visibility": "internal" } ], "src": "1869:57:0" }, "scope": 397, "src": "1781:362:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "body": { "id": 126, "nodeType": "Block", "src": "2441:174:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 116, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 111, "name": "getTrustedForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 248, "src": "2459:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 112, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2459:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "expression": { "expression": { "id": 113, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 107, "src": "2484:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } }, "id": 114, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "relayData", "nodeType": "MemberAccess", "referencedDeclaration": 8490, "src": "2484:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData calldata" } }, "id": 115, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "forwarder", "nodeType": "MemberAccess", "referencedDeclaration": 8479, "src": "2484:32:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2459:57:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "466f72776172646572206973206e6f742074727573746564", "id": 117, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2518:26:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_3a2fca03255f31860c82d52f1191f77065f7ff670c017cd47e3568fc231bf429", "typeString": "literal_string \"Forwarder is not trusted\"" }, "value": "Forwarder is not trusted" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_3a2fca03255f31860c82d52f1191f77065f7ff670c017cd47e3568fc231bf429", "typeString": "literal_string \"Forwarder is not trusted\"" } ], "id": 110, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2451:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 118, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2451:94:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 119, "nodeType": "ExpressionStatement", "src": "2451:94:0" }, { "expression": { "arguments": [ { "id": 123, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 107, "src": "2595:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } ], "expression": { "id": 120, "name": "GsnEip712Library", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8464, "src": "2555:16:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_GsnEip712Library_$8464_$", "typeString": "type(library GsnEip712Library)" } }, "id": 122, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "verifyForwarderTrusted", "nodeType": "MemberAccess", "referencedDeclaration": 8210, "src": "2555:39:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_RelayRequest_$8491_calldata_ptr_$returns$__$", "typeString": "function (struct GsnTypes.RelayRequest calldata) view" } }, "id": 124, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2555:53:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 125, "nodeType": "ExpressionStatement", "src": "2555:53:0" } ] }, "documentation": { "id": 104, "nodeType": "StructuredDocumentation", "src": "2149:178:0", "text": " @notice this method must be called from preRelayedCall to validate that the forwarder\n is approved by the paymaster as well as by the recipient contract." }, "id": 127, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyForwarder", "nameLocation": "2341:16:0", "nodeType": "FunctionDefinition", "parameters": { "id": 108, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 107, "mutability": "mutable", "name": "relayRequest", "nameLocation": "2389:12:0", "nodeType": "VariableDeclaration", "scope": 127, "src": "2358:43:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 106, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 105, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "2358:21:0" }, "referencedDeclaration": 8491, "src": "2358:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" } ], "src": "2357:45:0" }, "returnParameters": { "id": 109, "nodeType": "ParameterList", "parameters": [], "src": "2441:0:0" }, "scope": 397, "src": "2332:283:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 139, "nodeType": "Block", "src": "2674:87:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 135, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 131, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967281, "src": "2692:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 132, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "src": "2692:10:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 133, "name": "getRelayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 38, "src": "2706:11:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 134, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2706:13:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2692:27:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "63616e206f6e6c792062652063616c6c65642062792052656c6179487562", "id": 136, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2721:32:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_d169f51e5e283c8c890697eb898c30495d34dbb12b80eb91ce172a0d9c75ebfb", "typeString": "literal_string \"can only be called by RelayHub\"" }, "value": "can only be called by RelayHub" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_d169f51e5e283c8c890697eb898c30495d34dbb12b80eb91ce172a0d9c75ebfb", "typeString": "literal_string \"can only be called by RelayHub\"" } ], "id": 130, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2684:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 137, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2684:70:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 138, "nodeType": "ExpressionStatement", "src": "2684:70:0" } ] }, "id": 140, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyRelayHubOnly", "nameLocation": "2630:19:0", "nodeType": "FunctionDefinition", "parameters": { "id": 128, "nodeType": "ParameterList", "parameters": [], "src": "2649:2:0" }, "returnParameters": { "id": 129, "nodeType": "ParameterList", "parameters": [], "src": "2674:0:0" }, "scope": 397, "src": "2621:140:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 155, "nodeType": "Block", "src": "2855:89:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 151, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "expression": { "id": 147, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 143, "src": "2873:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } }, "id": 148, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "request", "nodeType": "MemberAccess", "referencedDeclaration": 8487, "src": "2873:20:0", "typeDescriptions": { "typeIdentifier": "t_struct$_ForwardRequest_$5058_calldata_ptr", "typeString": "struct IForwarder.ForwardRequest calldata" } }, "id": 149, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "referencedDeclaration": 5049, "src": "2873:26:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 150, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2903:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2873:31:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "76616c7565207472616e73666572206e6f7420737570706f72746564", "id": 152, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2906:30:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_e16e7b15b3ab333edb68f7b1a990600092795acc5fc3b3a41ef443557f01e8e8", "typeString": "literal_string \"value transfer not supported\"" }, "value": "value transfer not supported" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_e16e7b15b3ab333edb68f7b1a990600092795acc5fc3b3a41ef443557f01e8e8", "typeString": "literal_string \"value transfer not supported\"" } ], "id": 146, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2865:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 153, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2865:72:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 154, "nodeType": "ExpressionStatement", "src": "2865:72:0" } ] }, "id": 156, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyValue", "nameLocation": "2776:12:0", "nodeType": "FunctionDefinition", "parameters": { "id": 144, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 143, "mutability": "mutable", "name": "relayRequest", "nameLocation": "2820:12:0", "nodeType": "VariableDeclaration", "scope": 156, "src": "2789:43:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 142, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 141, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "2789:21:0" }, "referencedDeclaration": 8491, "src": "2789:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" } ], "src": "2788:45:0" }, "returnParameters": { "id": 145, "nodeType": "ParameterList", "parameters": [], "src": "2855:0:0" }, "scope": 397, "src": "2767:177:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 172, "nodeType": "Block", "src": "3047:106:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 168, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "expression": { "expression": { "id": 163, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 159, "src": "3065:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } }, "id": 164, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "relayData", "nodeType": "MemberAccess", "referencedDeclaration": 8490, "src": "3065:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData calldata" } }, "id": 165, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "paymasterData", "nodeType": "MemberAccess", "referencedDeclaration": 8481, "src": "3065:36:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "id": 166, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "3065:43:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 167, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3112:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "3065:48:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "73686f756c642068617665206e6f207061796d617374657244617461", "id": 169, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3115:30:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_182b40eb1561ed39a86edc754bf2a5f045daef24c145773d4b18340a470251b6", "typeString": "literal_string \"should have no paymasterData\"" }, "value": "should have no paymasterData" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_182b40eb1561ed39a86edc754bf2a5f045daef24c145773d4b18340a470251b6", "typeString": "literal_string \"should have no paymasterData\"" } ], "id": 162, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "3057:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 170, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3057:89:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 171, "nodeType": "ExpressionStatement", "src": "3057:89:0" } ] }, "id": 173, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyPaymasterData", "nameLocation": "2959:20:0", "nodeType": "FunctionDefinition", "parameters": { "id": 160, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 159, "mutability": "mutable", "name": "relayRequest", "nameLocation": "3011:12:0", "nodeType": "VariableDeclaration", "scope": 173, "src": "2980:43:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 158, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 157, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "2980:21:0" }, "referencedDeclaration": 8491, "src": "2980:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" } ], "src": "2979:45:0" }, "returnParameters": { "id": 161, "nodeType": "ParameterList", "parameters": [], "src": "3047:0:0" }, "scope": 397, "src": "2950:203:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 186, "nodeType": "Block", "src": "3238:81:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 182, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 179, "name": "approvalData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 175, "src": "3256:12:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "id": 180, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "3256:19:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 181, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3279:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "3256:24:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "73686f756c642068617665206e6f20617070726f76616c44617461", "id": 183, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3282:29:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_fccc4b6995a94cdc6e6e9a1b088f6ad31bd641a326f5e5ddcc3773886206aa37", "typeString": "literal_string \"should have no approvalData\"" }, "value": "should have no approvalData" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_fccc4b6995a94cdc6e6e9a1b088f6ad31bd641a326f5e5ddcc3773886206aa37", "typeString": "literal_string \"should have no approvalData\"" } ], "id": 178, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "3248:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 184, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3248:64:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 185, "nodeType": "ExpressionStatement", "src": "3248:64:0" } ] }, "id": 187, "implemented": true, "kind": "function", "modifiers": [], "name": "_verifyApprovalData", "nameLocation": "3168:19:0", "nodeType": "FunctionDefinition", "parameters": { "id": 176, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 175, "mutability": "mutable", "name": "approvalData", "nameLocation": "3203:12:0", "nodeType": "VariableDeclaration", "scope": 187, "src": "3188:27:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 174, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3188:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "3187:29:0" }, "returnParameters": { "id": 177, "nodeType": "ParameterList", "parameters": [], "src": "3238:0:0" }, "scope": 397, "src": "3159:160:0", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 214, "nodeType": "Block", "src": "3604:144:0", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "expression": { "arguments": [ { "id": 203, "name": "IRelayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5896, "src": "3658:9:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IRelayHub_$5896_$", "typeString": "type(contract IRelayHub)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_IRelayHub_$5896_$", "typeString": "type(contract IRelayHub)" } ], "id": 202, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "3653:4:0", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 204, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3653:15:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_IRelayHub_$5896", "typeString": "type(contract IRelayHub)" } }, "id": 205, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "3653:27:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "arguments": [ { "id": 199, "name": "hub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 191, "src": "3630:3:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } ], "id": 198, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "3622:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 197, "name": "address", "nodeType": "ElementaryTypeName", "src": "3622:7:0", "typeDescriptions": {} } }, "id": 200, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3622:12:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 201, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "supportsInterface", "nodeType": "MemberAccess", "referencedDeclaration": 12196, "src": "3622:30:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_bytes4_$returns$_t_bool_$bound_to$_t_address_$", "typeString": "function (address,bytes4) view returns (bool)" } }, "id": 206, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3622:59:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "746172676574206973206e6f7420612076616c6964204952656c6179487562", "id": 207, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3683:33:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_b62b61dba941996cba530085b5313ea27667d0ee2b85e1209b8aedd3e5e9398e", "typeString": "literal_string \"target is not a valid IRelayHub\"" }, "value": "target is not a valid IRelayHub" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b62b61dba941996cba530085b5313ea27667d0ee2b85e1209b8aedd3e5e9398e", "typeString": "literal_string \"target is not a valid IRelayHub\"" } ], "id": 196, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "3614:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 208, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3614:103:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 209, "nodeType": "ExpressionStatement", "src": "3614:103:0" }, { "expression": { "id": 212, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 210, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "3727:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 211, "name": "hub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 191, "src": "3738:3:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "src": "3727:14:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "id": 213, "nodeType": "ExpressionStatement", "src": "3727:14:0" } ] }, "documentation": { "id": 188, "nodeType": "StructuredDocumentation", "src": "3325:221:0", "text": " @notice The owner of the Paymaster can change the instance of the RelayHub this Paymaster works with.\n :warning: **Warning** :warning: The deposit on the previous RelayHub must be withdrawn first." }, "functionSelector": "7bb05264", "id": 215, "implemented": true, "kind": "function", "modifiers": [ { "id": 194, "kind": "modifierInvocation", "modifierName": { "id": 193, "name": "onlyOwner", "nodeType": "IdentifierPath", "referencedDeclaration": 10101, "src": "3594:9:0" }, "nodeType": "ModifierInvocation", "src": "3594:9:0" } ], "name": "setRelayHub", "nameLocation": "3560:11:0", "nodeType": "FunctionDefinition", "parameters": { "id": 192, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 191, "mutability": "mutable", "name": "hub", "nameLocation": "3582:3:0", "nodeType": "VariableDeclaration", "scope": 215, "src": "3572:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" }, "typeName": { "id": 190, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 189, "name": "IRelayHub", "nodeType": "IdentifierPath", "referencedDeclaration": 5896, "src": "3572:9:0" }, "referencedDeclaration": 5896, "src": "3572:9:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "visibility": "internal" } ], "src": "3571:15:0" }, "returnParameters": { "id": 195, "nodeType": "ParameterList", "parameters": [], "src": "3604:0:0" }, "scope": 397, "src": "3551:197:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "body": { "id": 238, "nodeType": "Block", "src": "4070:158:0", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "expression": { "arguments": [ { "id": 227, "name": "IForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5129, "src": "4121:10:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IForwarder_$5129_$", "typeString": "type(contract IForwarder)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_IForwarder_$5129_$", "typeString": "type(contract IForwarder)" } ], "id": 226, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "4116:4:0", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 228, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4116:16:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_IForwarder_$5129", "typeString": "type(contract IForwarder)" } }, "id": 229, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "4116:28:0", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } ], "expression": { "id": 224, "name": "forwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 218, "src": "4088:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 225, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "supportsInterface", "nodeType": "MemberAccess", "referencedDeclaration": 12196, "src": "4088:27:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_bytes4_$returns$_t_bool_$bound_to$_t_address_$", "typeString": "function (address,bytes4) view returns (bool)" } }, "id": 230, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4088:57:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "746172676574206973206e6f7420612076616c69642049466f72776172646572", "id": 231, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4147:34:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_4f35ce95c64a40a715e95a1b7d3fe84cf613d64347e430eb5f35903ecdb7e24d", "typeString": "literal_string \"target is not a valid IForwarder\"" }, "value": "target is not a valid IForwarder" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_4f35ce95c64a40a715e95a1b7d3fe84cf613d64347e430eb5f35903ecdb7e24d", "typeString": "literal_string \"target is not a valid IForwarder\"" } ], "id": 223, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "4080:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 232, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4080:102:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 233, "nodeType": "ExpressionStatement", "src": "4080:102:0" }, { "expression": { "id": 236, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 234, "name": "_trustedForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25, "src": "4192:17:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 235, "name": "forwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 218, "src": "4212:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4192:29:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 237, "nodeType": "ExpressionStatement", "src": "4192:29:0" } ] }, "documentation": { "id": 216, "nodeType": "StructuredDocumentation", "src": "3754:238:0", "text": " @notice The owner of the Paymaster can change the instance of the Forwarder this Paymaster works with.\n @notice the Recipients must trust this Forwarder as well in order for the configuration to remain functional." }, "functionSelector": "da742228", "id": 239, "implemented": true, "kind": "function", "modifiers": [ { "id": 221, "kind": "modifierInvocation", "modifierName": { "id": 220, "name": "onlyOwner", "nodeType": "IdentifierPath", "referencedDeclaration": 10101, "src": "4060:9:0" }, "nodeType": "ModifierInvocation", "src": "4060:9:0" } ], "name": "setTrustedForwarder", "nameLocation": "4006:19:0", "nodeType": "FunctionDefinition", "parameters": { "id": 219, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 218, "mutability": "mutable", "name": "forwarder", "nameLocation": "4034:9:0", "nodeType": "VariableDeclaration", "scope": 239, "src": "4026:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 217, "name": "address", "nodeType": "ElementaryTypeName", "src": "4026:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "4025:19:0" }, "returnParameters": { "id": 222, "nodeType": "ParameterList", "parameters": [], "src": "4070:0:0" }, "scope": 397, "src": "3997:231:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "baseFunctions": [ 5404 ], "body": { "id": 247, "nodeType": "Block", "src": "4311:41:0", "statements": [ { "expression": { "id": 245, "name": "_trustedForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25, "src": "4328:17:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 244, "id": 246, "nodeType": "Return", "src": "4321:24:0" } ] }, "functionSelector": "ce1b815f", "id": 248, "implemented": true, "kind": "function", "modifiers": [], "name": "getTrustedForwarder", "nameLocation": "4243:19:0", "nodeType": "FunctionDefinition", "overrides": { "id": 241, "nodeType": "OverrideSpecifier", "overrides": [], "src": "4285:8:0" }, "parameters": { "id": 240, "nodeType": "ParameterList", "parameters": [], "src": "4262:2:0" }, "returnParameters": { "id": 244, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 243, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 248, "src": "4303:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 242, "name": "address", "nodeType": "ElementaryTypeName", "src": "4303:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "4302:9:0" }, "scope": 397, "src": "4234:118:0", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "body": { "id": 277, "nodeType": "Block", "src": "4616:147:0", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 261, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [ { "id": 255, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "4642:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } ], "id": 254, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4634:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 253, "name": "address", "nodeType": "ElementaryTypeName", "src": "4634:7:0", "typeDescriptions": {} } }, "id": 256, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4634:17:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 259, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4663:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 258, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4655:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 257, "name": "address", "nodeType": "ElementaryTypeName", "src": "4655:7:0", "typeDescriptions": {} } }, "id": 260, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4655:10:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "4634:31:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "72656c6179206875622061646472657373206e6f7420736574", "id": 262, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4667:27:0", "typeDescriptions": { "typeIdentifier": "t_stringliteral_2e4bcc216326d2d371e2433ec8e1af9c54827701515af7cd10f9acc79120d313", "typeString": "literal_string \"relay hub address not set\"" }, "value": "relay hub address not set" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_2e4bcc216326d2d371e2433ec8e1af9c54827701515af7cd10f9acc79120d313", "typeString": "literal_string \"relay hub address not set\"" } ], "id": 252, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "4626:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 263, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4626:69:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 264, "nodeType": "ExpressionStatement", "src": "4626:69:0" }, { "expression": { "arguments": [ { "arguments": [ { "id": 273, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967268, "src": "4750:4:0", "typeDescriptions": { "typeIdentifier": "t_contract$_BasePaymaster_$397", "typeString": "contract BasePaymaster" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_BasePaymaster_$397", "typeString": "contract BasePaymaster" } ], "id": 272, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4742:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 271, "name": "address", "nodeType": "ElementaryTypeName", "src": "4742:7:0", "typeDescriptions": {} } }, "id": 274, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4742:13:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "id": 265, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "4705:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "id": 267, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "depositFor", "nodeType": "MemberAccess", "referencedDeclaration": 5687, "src": "4705:19:0", "typeDescriptions": { "typeIdentifier": "t_function_external_payable$_t_address_$returns$__$", "typeString": "function (address) payable external" } }, "id": 270, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "names": [ "value" ], "nodeType": "FunctionCallOptions", "options": [ { "expression": { "id": 268, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967281, "src": "4731:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 269, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "src": "4731:9:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "src": "4705:36:0", "typeDescriptions": { "typeIdentifier": "t_function_external_payable$_t_address_$returns$__$value", "typeString": "function (address) payable external" } }, "id": 275, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4705:51:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 276, "nodeType": "ExpressionStatement", "src": "4705:51:0" } ] }, "documentation": { "id": 249, "nodeType": "StructuredDocumentation", "src": "4358:218:0", "text": " @notice Any native Ether transferred into the paymaster is transferred as a deposit to the RelayHub.\n This way, we don't need to understand the RelayHub API in order to replenish the paymaster." }, "id": 278, "implemented": true, "kind": "receive", "modifiers": [], "name": "", "nameLocation": "-1:-1:-1", "nodeType": "FunctionDefinition", "parameters": { "id": 250, "nodeType": "ParameterList", "parameters": [], "src": "4588:2:0" }, "returnParameters": { "id": 251, "nodeType": "ParameterList", "parameters": [], "src": "4616:0:0" }, "scope": 397, "src": "4581:182:0", "stateMutability": "payable", "virtual": true, "visibility": "external" }, { "body": { "id": 295, "nodeType": "Block", "src": "5067:50:0", "statements": [ { "expression": { "arguments": [ { "id": 291, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 283, "src": "5095:6:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "id": 292, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 281, "src": "5103:6:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 288, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23, "src": "5077:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "id": 290, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "withdraw", "nodeType": "MemberAccess", "referencedDeclaration": 5695, "src": "5077:17:0", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_payable_$_t_uint256_$returns$__$", "typeString": "function (address payable,uint256) external" } }, "id": 293, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5077:33:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 294, "nodeType": "ExpressionStatement", "src": "5077:33:0" } ] }, "documentation": { "id": 279, "nodeType": "StructuredDocumentation", "src": "4769:201:0", "text": " @notice Withdraw deposit from the RelayHub.\n @param amount The amount to be subtracted from the sender.\n @param target The target to which the amount will be transferred." }, "functionSelector": "2d14c4b7", "id": 296, "implemented": true, "kind": "function", "modifiers": [ { "id": 286, "kind": "modifierInvocation", "modifierName": { "id": 285, "name": "onlyOwner", "nodeType": "IdentifierPath", "referencedDeclaration": 10101, "src": "5057:9:0" }, "nodeType": "ModifierInvocation", "src": "5057:9:0" } ], "name": "withdrawRelayHubDepositTo", "nameLocation": "4984:25:0", "nodeType": "FunctionDefinition", "parameters": { "id": 284, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 281, "mutability": "mutable", "name": "amount", "nameLocation": "5018:6:0", "nodeType": "VariableDeclaration", "scope": 296, "src": "5010:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 280, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5010:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 283, "mutability": "mutable", "name": "target", "nameLocation": "5042:6:0", "nodeType": "VariableDeclaration", "scope": 296, "src": "5026:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 282, "name": "address", "nodeType": "ElementaryTypeName", "src": "5026:15:0", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "visibility": "internal" } ], "src": "5009:40:0" }, "returnParameters": { "id": 287, "nodeType": "ParameterList", "parameters": [], "src": "5067:0:0" }, "scope": 397, "src": "4975:142:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "baseFunctions": [ 5427 ], "body": { "id": 340, "nodeType": "Block", "src": "5399:288:0", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 314, "name": "_verifyRelayHubOnly", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 140, "src": "5409:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$__$", "typeString": "function () view" } }, "id": 315, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5409:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 316, "nodeType": "ExpressionStatement", "src": "5409:21:0" }, { "expression": { "arguments": [ { "id": 318, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 300, "src": "5457:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } ], "id": 317, "name": "_verifyForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 127, "src": "5440:16:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_RelayRequest_$8491_calldata_ptr_$returns$__$", "typeString": "function (struct GsnTypes.RelayRequest calldata) view" } }, "id": 319, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5440:30:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 320, "nodeType": "ExpressionStatement", "src": "5440:30:0" }, { "expression": { "arguments": [ { "id": 322, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 300, "src": "5493:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } ], "id": 321, "name": "_verifyValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 156, "src": "5480:12:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_RelayRequest_$8491_calldata_ptr_$returns$__$", "typeString": "function (struct GsnTypes.RelayRequest calldata) view" } }, "id": 323, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5480:26:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 324, "nodeType": "ExpressionStatement", "src": "5480:26:0" }, { "expression": { "arguments": [ { "id": 326, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 300, "src": "5537:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } ], "id": 325, "name": "_verifyPaymasterData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 173, "src": "5516:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_RelayRequest_$8491_calldata_ptr_$returns$__$", "typeString": "function (struct GsnTypes.RelayRequest calldata) view" } }, "id": 327, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5516:34:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 328, "nodeType": "ExpressionStatement", "src": "5516:34:0" }, { "expression": { "arguments": [ { "id": 330, "name": "approvalData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 304, "src": "5580:12:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "id": 329, "name": "_verifyApprovalData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 187, "src": "5560:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_bytes_calldata_ptr_$returns$__$", "typeString": "function (bytes calldata) view" } }, "id": 331, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5560:33:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 332, "nodeType": "ExpressionStatement", "src": "5560:33:0" }, { "expression": { "arguments": [ { "id": 334, "name": "relayRequest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 300, "src": "5626:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" } }, { "id": 335, "name": "signature", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 302, "src": "5640:9:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, { "id": 336, "name": "approvalData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 304, "src": "5651:12:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, { "id": 337, "name": "maxPossibleGas", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 306, "src": "5665:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest calldata" }, { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" }, { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 333, "name": "_preRelayedCall", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 358, "src": "5610:15:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_struct$_RelayRequest_$8491_calldata_ptr_$_t_bytes_calldata_ptr_$_t_bytes_calldata_ptr_$_t_uint256_$returns$_t_bytes_memory_ptr_$_t_bool_$", "typeString": "function (struct GsnTypes.RelayRequest calldata,bytes calldata,bytes calldata,uint256) returns (bytes memory,bool)" } }, "id": 338, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5610:70:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bytes_memory_ptr_$_t_bool_$", "typeString": "tuple(bytes memory,bool)" } }, "functionReturnParameters": 313, "id": 339, "nodeType": "Return", "src": "5603:77:0" } ] }, "documentation": { "id": 297, "nodeType": "StructuredDocumentation", "src": "5123:26:0", "text": "@inheritdoc IPaymaster" }, "functionSelector": "00be5dd4", "id": 341, "implemented": true, "kind": "function", "modifiers": [], "name": "preRelayedCall", "nameLocation": "5163:14:0", "nodeType": "FunctionDefinition", "overrides": { "id": 308, "nodeType": "OverrideSpecifier", "overrides": [], "src": "5357:8:0" }, "parameters": { "id": 307, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 300, "mutability": "mutable", "name": "relayRequest", "nameLocation": "5218:12:0", "nodeType": "VariableDeclaration", "scope": 341, "src": "5187:43:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 299, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 298, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "5187:21:0" }, "referencedDeclaration": 8491, "src": "5187:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" }, { "constant": false, "id": 302, "mutability": "mutable", "name": "signature", "nameLocation": "5255:9:0", "nodeType": "VariableDeclaration", "scope": 341, "src": "5240:24:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 301, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5240:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 304, "mutability": "mutable", "name": "approvalData", "nameLocation": "5289:12:0", "nodeType": "VariableDeclaration", "scope": 341, "src": "5274:27:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 303, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5274:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 306, "mutability": "mutable", "name": "maxPossibleGas", "nameLocation": "5319:14:0", "nodeType": "VariableDeclaration", "scope": 341, "src": "5311:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 305, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5311:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "5177:162:0" }, "returnParameters": { "id": 313, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 310, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 341, "src": "5379:12:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 309, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5379:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 312, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 341, "src": "5393:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 311, "name": "bool", "nodeType": "ElementaryTypeName", "src": "5393:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "5378:20:0" }, "scope": 397, "src": "5154:533:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 342, "nodeType": "StructuredDocumentation", "src": "5693:211:0", "text": " @notice internal logic the paymasters need to provide to select which transactions they are willing to pay for\n @notice see the documentation for `IPaymaster::preRelayedCall` for details" }, "id": 358, "implemented": false, "kind": "function", "modifiers": [], "name": "_preRelayedCall", "nameLocation": "5918:15:0", "nodeType": "FunctionDefinition", "parameters": { "id": 352, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 345, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "5943:30:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_calldata_ptr", "typeString": "struct GsnTypes.RelayRequest" }, "typeName": { "id": 344, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 343, "name": "GsnTypes.RelayRequest", "nodeType": "IdentifierPath", "referencedDeclaration": 8491, "src": "5943:21:0" }, "referencedDeclaration": 8491, "src": "5943:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayRequest_$8491_storage_ptr", "typeString": "struct GsnTypes.RelayRequest" } }, "visibility": "internal" }, { "constant": false, "id": 347, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "5983:14:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 346, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5983:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 349, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "6007:14:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 348, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6007:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 351, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "6031:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 350, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6031:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "5933:111:0" }, "returnParameters": { "id": 357, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 354, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "6083:12:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 353, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6083:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 356, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 358, "src": "6097:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 355, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6097:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "6082:20:0" }, "scope": 397, "src": "5909:194:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "baseFunctions": [ 5440 ], "body": { "id": 382, "nodeType": "Block", "src": "6337:112:0", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 372, "name": "_verifyRelayHubOnly", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 140, "src": "6347:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$__$", "typeString": "function () view" } }, "id": 373, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6347:21:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 374, "nodeType": "ExpressionStatement", "src": "6347:21:0" }, { "expression": { "arguments": [ { "id": 376, "name": "context", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 361, "src": "6395:7:0", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, { "id": 377, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 363, "src": "6404:7:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "id": 378, "name": "gasUseWithoutPost", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 365, "src": "6413:17:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 379, "name": "relayData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 368, "src": "6432:9:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" }, { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData calldata" } ], "id": 375, "name": "_postRelayedCall", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 396, "src": "6378:16:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_bytes_calldata_ptr_$_t_bool_$_t_uint256_$_t_struct$_RelayData_$8484_calldata_ptr_$returns$__$", "typeString": "function (bytes calldata,bool,uint256,struct GsnTypes.RelayData calldata)" } }, "id": 380, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6378:64:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 381, "nodeType": "ExpressionStatement", "src": "6378:64:0" } ] }, "documentation": { "id": 359, "nodeType": "StructuredDocumentation", "src": "6109:26:0", "text": "@inheritdoc IPaymaster" }, "functionSelector": "76fa01c3", "id": 383, "implemented": true, "kind": "function", "modifiers": [], "name": "postRelayedCall", "nameLocation": "6149:15:0", "nodeType": "FunctionDefinition", "overrides": { "id": 370, "nodeType": "OverrideSpecifier", "overrides": [], "src": "6324:8:0" }, "parameters": { "id": 369, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 361, "mutability": "mutable", "name": "context", "nameLocation": "6189:7:0", "nodeType": "VariableDeclaration", "scope": 383, "src": "6174:22:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 360, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6174:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 363, "mutability": "mutable", "name": "success", "nameLocation": "6211:7:0", "nodeType": "VariableDeclaration", "scope": 383, "src": "6206:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 362, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6206:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, { "constant": false, "id": 365, "mutability": "mutable", "name": "gasUseWithoutPost", "nameLocation": "6236:17:0", "nodeType": "VariableDeclaration", "scope": 383, "src": "6228:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 364, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6228:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 368, "mutability": "mutable", "name": "relayData", "nameLocation": "6291:9:0", "nodeType": "VariableDeclaration", "scope": 383, "src": "6263:37:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData" }, "typeName": { "id": 367, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 366, "name": "GsnTypes.RelayData", "nodeType": "IdentifierPath", "referencedDeclaration": 8484, "src": "6263:18:0" }, "referencedDeclaration": 8484, "src": "6263:18:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_storage_ptr", "typeString": "struct GsnTypes.RelayData" } }, "visibility": "internal" } ], "src": "6164:142:0" }, "returnParameters": { "id": 371, "nodeType": "ParameterList", "parameters": [], "src": "6337:0:0" }, "scope": 397, "src": "6140:309:0", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 384, "nodeType": "StructuredDocumentation", "src": "6455:210:0", "text": " @notice internal logic the paymasters need to provide if they need to take some action after the transaction\n @notice see the documentation for `IPaymaster::postRelayedCall` for details" }, "id": 396, "implemented": false, "kind": "function", "modifiers": [], "name": "_postRelayedCall", "nameLocation": "6679:16:0", "nodeType": "FunctionDefinition", "parameters": { "id": 394, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 386, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 396, "src": "6705:14:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 385, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6705:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 388, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 396, "src": "6729:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 387, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6729:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, { "constant": false, "id": 390, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 396, "src": "6743:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 389, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6743:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 393, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 396, "src": "6760:27:0", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_calldata_ptr", "typeString": "struct GsnTypes.RelayData" }, "typeName": { "id": 392, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 391, "name": "GsnTypes.RelayData", "nodeType": "IdentifierPath", "referencedDeclaration": 8484, "src": "6760:18:0" }, "referencedDeclaration": 8484, "src": "6760:18:0", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayData_$8484_storage_ptr", "typeString": "struct GsnTypes.RelayData" } }, "visibility": "internal" } ], "src": "6695:98:0" }, "returnParameters": { "id": 395, "nodeType": "ParameterList", "parameters": [], "src": "6818:0:0" }, "scope": 397, "src": "6670:149:0", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 398, "src": "618:6203:0", "usedErrors": [] } ], "src": "0:6821:0" }, "compiler": { "name": "solc", "version": "0.8.7+commit.e28d00a7.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.1.0", "updatedAt": "2023-03-16T16:54:15.122Z", "devdoc": { "kind": "dev", "methods": { "getGasAndDataLimits()": { "returns": { "limits": "An instance of the `GasAndDataLimits` struct ##### `acceptanceBudget` If the transactions consumes more than `acceptanceBudget` this Paymaster will be charged for gas no matter what. Transaction that gets rejected after consuming more than `acceptanceBudget` gas is on this Paymaster's expense. Should be set to an amount gas this Paymaster expects to spend deciding whether to accept or reject a request. This includes gas consumed by calculations in the `preRelayedCall`, `Forwarder` and the recipient contract. :warning: **Warning** :warning: As long this value is above `preRelayedCallGasLimit` (see defaults in `BasePaymaster`), the Paymaster is guaranteed it will never pay for rejected transactions. If this value is below `preRelayedCallGasLimit`, it might might make Paymaster open to a \"griefing\" attack. The relayers should prefer lower `acceptanceBudget`, as it improves their chances of being compensated. From a Relay's point of view, this is the highest gas value a bad Paymaster may cost the relay, since the paymaster will pay anything above that value regardless of whether the transaction succeeds or reverts. Specifying value too high might make the call rejected by relayers (see `maxAcceptanceBudget` in server config). ##### `preRelayedCallGasLimit` The max gas usage of preRelayedCall. Any revert of the `preRelayedCall` is a request rejection by the paymaster. As long as `acceptanceBudget` is above `preRelayedCallGasLimit`, any such revert is not payed by the paymaster. ##### `postRelayedCallGasLimit` The max gas usage of postRelayedCall. The Paymaster is not charged for the maximum, only for actually used gas. Note that an OOG will revert the inner transaction, but the paymaster will be charged for it anyway." } }, "getRelayHub()": { "returns": { "_0": "The address of the `RelayHub` that is trusted by this Paymaster to execute the requests." } }, "getTrustedForwarder()": { "returns": { "_0": "The address of the `Forwarder` that is trusted by this Paymaster to execute the requests." } }, "owner()": { "details": "Returns the address of the current owner." }, "postRelayedCall(bytes,bool,uint256,(uint256,uint256,uint256,address,address,address,bytes,uint256))": { "params": { "context": "The call context, as returned by the preRelayedCall", "gasUseWithoutPost": "The actual amount of gas used by the entire transaction, EXCEPT the gas used by the postRelayedCall itself.", "relayData": "The relay params of the request. can be used by relayHub.calculateCharge()", "success": "`true` if the relayed call succeeded, false if it reverted" } }, "preRelayedCall(((address,address,uint256,uint256,uint256,bytes,uint256),(uint256,uint256,uint256,address,address,address,bytes,uint256)),bytes,bytes,uint256)": { "params": { "approvalData": "- extra dapp-specific data (e.g. signature from trusted party)", "maxPossibleGas": "- based on values returned from `getGasAndDataLimits` the RelayHub will calculate the maximum possible amount of gas the user may be charged for. In order to convert this value to wei, the Paymaster has to call \"relayHub.calculateCharge()\"", "relayRequest": "- the full relay request structure", "signature": "- user's EIP712-compatible signature of the `relayRequest`. Note that in most cases the paymaster shouldn't try use it at all. It is always checked by the forwarder immediately after preRelayedCall returns." }, "returns": { "_0": "A byte array to be passed to postRelayedCall. Can contain any data needed by this Paymaster in any form or be empty if no extra data is needed.", "_1": "The flag that allows a Paymaster to \"delegate\" the rejection to the recipient code. It also means the Paymaster trust the recipient to reject fast: both preRelayedCall, forwarder check and recipient checks must fit into the GasLimits.acceptanceBudget, otherwise the TX is paid by the Paymaster. `true` if the Paymaster wants to reject the TX if the recipient reverts. `false` if the Paymaster wants rejects by the recipient to be completed on chain and paid by the Paymaster." } }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "supportsInterface(bytes4)": { "details": "Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] to learn more about how these ids are created. This function call must use less than 30 000 gas." }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." }, "versionPaymaster()": { "returns": { "_0": "version The SemVer string of this Paymaster's version." } }, "withdrawRelayHubDepositTo(uint256,address)": { "params": { "amount": "The amount to be subtracted from the sender.", "target": "The target to which the amount will be transferred." } } }, "version": 1 }, "userdoc": { "kind": "user", "methods": { "getGasAndDataLimits()": { "notice": "Return the Gas Limits for Paymaster's functions and maximum msg.data length values for this Paymaster. This function allows different paymasters to have different properties without changes to the RelayHub." }, "getTrustedForwarder()": { "notice": ":warning: **Warning** :warning: using incorrect Forwarder may cause the Paymaster to agreeing to pay for invalid transactions." }, "postRelayedCall(bytes,bool,uint256,(uint256,uint256,uint256,address,address,address,bytes,uint256))": { "notice": "This method is called after the actual relayed function call. It may be used to record the transaction (e.g. charge the caller by some contract logic) for this call. Revert in this functions causes a revert of the client's relayed call (and preRelayedCall(), but the Paymaster is still committed to pay the relay for the entire transaction." }, "preRelayedCall(((address,address,uint256,uint256,uint256,bytes,uint256),(uint256,uint256,uint256,address,address,address,bytes,uint256)),bytes,bytes,uint256)": { "notice": "Called by the Relay in view mode and later by the `RelayHub` on-chain to validate that the Paymaster agrees to pay for this call. The request is considered to be rejected by the Paymaster in one of the following conditions: - `preRelayedCall()` method reverts - the `Forwarder` reverts because of nonce or signature error - the `Paymaster` returned `rejectOnRecipientRevert: true` and the recipient contract reverted (and all that did not consume more than `acceptanceBudget` gas). In any of the above cases, all Paymaster calls and the recipient call are reverted. In any other case the Paymaster will pay for the gas cost of the transaction. Note that even if `postRelayedCall` is reverted the Paymaster will be charged." }, "setRelayHub(address)": { "notice": "The owner of the Paymaster can change the instance of the RelayHub this Paymaster works with. :warning: **Warning** :warning: The deposit on the previous RelayHub must be withdrawn first." }, "setTrustedForwarder(address)": { "notice": "The owner of the Paymaster can change the instance of the Forwarder this Paymaster works with.the Recipients must trust this Forwarder as well in order for the configuration to remain functional." }, "withdrawRelayHubDepositTo(uint256,address)": { "notice": "Withdraw deposit from the RelayHub." } }, "notice": "An abstract base class to be inherited by a concrete Paymaster. A subclass must implement: - preRelayedCall - postRelayedCall", "version": 1 } }