{ "contractName": "GmpHandler", "abi": [ { "inputs": [ { "internalType": "address", "name": "bridgeAddress", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "inputs": [ { "internalType": "uint256", "name": "actual", "type": "uint256" }, { "internalType": "uint256", "name": "expected", "type": "uint256" } ], "name": "UnexpectedValue", "type": "error" }, { "inputs": [], "name": "MAX_FEE", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function", "constant": true }, { "inputs": [], "name": "_bridgeAddress", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function", "constant": true }, { "inputs": [ { "internalType": "bytes32", "name": "resourceID", "type": "bytes32" }, { "internalType": "address", "name": "contractAddress", "type": "address" }, { "internalType": "bytes", "name": "args", "type": "bytes" } ], "name": "setResource", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "resourceID", "type": "bytes32" }, { "internalType": "address", "name": "depositor", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "deposit", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "view", "type": "function", "constant": true }, { "inputs": [ { "internalType": "bytes32", "name": "resourceID", "type": "bytes32" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "executeProposal", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.11+commit.d7f03943\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"bridgeAddress\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"actual\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"expected\",\"type\":\"uint256\"}],\"name\":\"UnexpectedValue\",\"type\":\"error\"},{\"inputs\":[],\"name\":\"MAX_FEE\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"_bridgeAddress\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"resourceID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"depositor\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"deposit\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"resourceID\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"executeProposal\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"resourceID\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"contractAddress\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"args\",\"type\":\"bytes\"}],\"name\":\"setResource\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"author\":\"ChainSafe Systems.\",\"kind\":\"dev\",\"methods\":{\"constructor\":{\"params\":{\"bridgeAddress\":\"Contract address of previously deployed Bridge.\"}},\"deposit(bytes32,address,bytes)\":{\"params\":{\"data\":\"Structure should be constructed as follows: maxFee: uint256 bytes 0 - 32 len(executeFuncSignature): uint16 bytes 32 - 34 executeFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature) len(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature) executeContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress) len(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) executionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) executionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END executionData is repacked together with executionDataDepositor address for using it in the target contract. If executionData contains dynamic types then it is necessary to keep the offsets correct. executionData should be encoded together with a 32-byte address and then passed as a parameter without that address. If the target function accepts (address depositor, bytes executionData) then a function like the following one can be used: function prepareDepositData(bytes calldata executionData) view external returns (bytes memory) { bytes memory encoded = abi.encode(address(0), executionData); return this.slice(encoded, 32); } function slice(bytes calldata input, uint256 position) pure public returns (bytes memory) { return input[position:]; } After this, the target contract will get the following: executeFuncSignature(address executionDataDepositor, bytes executionData) Another example: if the target function accepts (address depositor, uint[], address) then a function like the following one can be used: function prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) { bytes memory encoded = abi.encode(address(0), uintArray, addr); return this.slice(encoded, 32); } After this, the target contract will get the following: executeFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)\",\"depositor\":\"Address of the account making deposit in the Bridge contract.\",\"resourceID\":\"ResourceID used to find address of contract to be used for deposit.\"}},\"executeProposal(bytes32,bytes)\":{\"params\":{\"data\":\"Structure should be constructed as follows: maxFee: uint256 bytes 0 - 32 len(executeFuncSignature): uint16 bytes 32 - 34 executeFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature) len(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature) executeContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress) len(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) executionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) executionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END executionData is repacked together with executionDataDepositor address for using it in the target contract. If executionData contains dynamic types then it is necessary to keep the offsets correct. executionData should be encoded together with a 32-byte address and then passed as a parameter without that address. If the target function accepts (address depositor, bytes executionData) then a function like the following one can be used: function prepareDepositData(bytes calldata executionData) view external returns (bytes memory) { bytes memory encoded = abi.encode(address(0), executionData); return this.slice(encoded, 32); } function slice(bytes calldata input, uint256 position) pure public returns (bytes memory) { return input[position:]; } After this, the target contract will get the following: executeFuncSignature(address executionDataDepositor, bytes executionData) Another example: if the target function accepts (address depositor, uint[], address) then a function like the following one can be used: function prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) { bytes memory encoded = abi.encode(address(0), uintArray, addr); return this.slice(encoded, 32); } After this, the target contract will get the following: executeFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)\",\"resourceID\":\"ResourceID used to find address of contract to be used for deposit.\"}},\"setResource(bytes32,address,bytes)\":{\"params\":{\"args\":\"Additional data to be passed to specified handler.\",\"contractAddress\":\"Address of contract to be called when a deposit is made and a deposited is executed.\",\"resourceID\":\"ResourceID to be used when making deposits.\"}}},\"title\":\"Handles generic deposits and deposit executions.\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"deposit(bytes32,address,bytes)\":{\"notice\":\"A deposit is initiated by making a deposit in the Bridge contract.\"},\"executeProposal(bytes32,bytes)\":{\"notice\":\"Proposal execution should be initiated when a proposal is finalized in the Bridge contract.\"},\"setResource(bytes32,address,bytes)\":{\"notice\":\"Blank function, required in IHandler.\"}},\"notice\":\"This contract is intended to be used with the Bridge contract.\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/handlers/GmpHandler.sol\":\"GmpHandler\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"project:/contracts/handlers/GmpHandler.sol\":{\"keccak256\":\"0x8c82c84196166e6618e809f6ae5078227dfdf56192794d92f212071220eae380\",\"license\":\"LGPL-3.0-only\",\"urls\":[\"bzz-raw://cdf804ff7a12cd5e376b3239c6c1088bc3b189617093d72ed8ade55e81b688ad\",\"dweb:/ipfs/Qmb2PLwgXfcgUG4Pa3YgRZDm9Pvo1kStY4Mx5ThKrnZvdy\"]},\"project:/contracts/interfaces/IHandler.sol\":{\"keccak256\":\"0x6ff2c7a2a169c519a9ebd670069c8dc902e09cf9dccd52ce87a110799d3dfd2e\",\"license\":\"LGPL-3.0-only\",\"urls\":[\"bzz-raw://73eacb1eaa4de346d24fd3174fb21d2b16f1350b9599813f1bb292eecbce806d\",\"dweb:/ipfs/QmTGT3orocKxkJ3wud312TFB4CSVYJeGiTHGZie8vkNKxM\"]},\"project:/contracts/utils/SanityChecks.sol\":{\"keccak256\":\"0xe0a497950a5f1f9e127a5684c6c562e6fb0fa72dcde056b8c6da933e6bf8afc2\",\"license\":\"LGPL-3.0-only\",\"urls\":[\"bzz-raw://47e5918856c922f1408cd15660d451062820121bd1ef3057d1dccad9f9785241\",\"dweb:/ipfs/QmZUEfFPEtiRKnfAUGhN6HoWCyLLUs9XgJbmqEq7pbABHq\"]}},\"version\":1}", 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"variables": [ { "name": "length_1", "nodeType": "YulTypedName", "src": "6306:8:105", "type": "" } ] }, { "expression": { "arguments": [ { "arguments": [ { "name": "value2", "nodeType": "YulIdentifier", "src": "6366:6:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "6374:4:105", "type": "", "value": "0x20" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "6362:3:105" }, "nodeType": "YulFunctionCall", "src": "6362:17:105" }, { "arguments": [ { "name": "_1", "nodeType": "YulIdentifier", "src": "6385:2:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "6389:1:105", "type": "", "value": "4" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "6381:3:105" }, "nodeType": "YulFunctionCall", "src": "6381:10:105" }, { "name": "length_1", "nodeType": "YulIdentifier", "src": "6393:8:105" } ], "functionName": { "name": "copy_memory_to_memory", "nodeType": "YulIdentifier", "src": "6340:21:105" }, "nodeType": "YulFunctionCall", "src": "6340:62:105" }, "nodeType": "YulExpressionStatement", "src": "6340:62:105" }, { "nodeType": "YulAssignment", "src": "6411:32:105", "value": { "arguments": [ { "arguments": [ { "name": "_1", "nodeType": "YulIdentifier", "src": "6426:2:105" }, { "name": "length_1", "nodeType": "YulIdentifier", "src": "6430:8:105" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "6422:3:105" }, "nodeType": "YulFunctionCall", "src": "6422:17:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "6441:1:105", "type": "", "value": "4" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "6418:3:105" }, "nodeType": "YulFunctionCall", "src": "6418:25:105" }, "variableNames": [ { "name": "end", "nodeType": "YulIdentifier", "src": "6411:3:105" } ] } ] }, "name": "abi_encode_tuple_packed_t_bytes4_t_bytes_memory_ptr_t_bytes_memory_ptr__to_t_bytes4_t_bytes_memory_ptr_t_bytes_memory_ptr__nonPadded_inplace_fromStack_reversed", "nodeType": "YulFunctionDefinition", "parameters": [ { "name": "pos", "nodeType": "YulTypedName", "src": "6056:3:105", "type": "" }, { "name": "value2", "nodeType": "YulTypedName", "src": "6061:6:105", "type": "" }, { "name": "value1", "nodeType": "YulTypedName", "src": "6069:6:105", "type": "" }, { "name": "value0", "nodeType": "YulTypedName", "src": "6077:6:105", "type": "" } ], "returnVariables": [ { "name": "end", "nodeType": "YulTypedName", "src": "6088:3:105", "type": "" } ], "src": "5887:562:105" }, { "body": { "nodeType": "YulBlock", "src": "6591:137:105", "statements": [ { "nodeType": "YulVariableDeclaration", "src": "6601:27:105", "value": { "arguments": [ { "name": "value0", "nodeType": "YulIdentifier", "src": "6621:6:105" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "6615:5:105" }, "nodeType": "YulFunctionCall", "src": "6615:13:105" }, "variables": [ { "name": "length", "nodeType": "YulTypedName", "src": "6605:6:105", "type": "" } ] }, { "expression": { "arguments": [ { "arguments": [ { "name": "value0", "nodeType": "YulIdentifier", "src": "6663:6:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "6671:4:105", "type": "", "value": "0x20" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "6659:3:105" }, "nodeType": "YulFunctionCall", "src": "6659:17:105" }, { "name": "pos", "nodeType": "YulIdentifier", "src": "6678:3:105" }, { "name": "length", "nodeType": "YulIdentifier", "src": "6683:6:105" } ], "functionName": { "name": "copy_memory_to_memory", "nodeType": "YulIdentifier", "src": "6637:21:105" }, "nodeType": "YulFunctionCall", "src": "6637:53:105" }, "nodeType": "YulExpressionStatement", "src": "6637:53:105" }, { "nodeType": "YulAssignment", "src": "6699:23:105", "value": { "arguments": [ { "name": "pos", "nodeType": "YulIdentifier", "src": "6710:3:105" }, { "name": "length", "nodeType": "YulIdentifier", "src": "6715:6:105" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": 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"name": "headStart", "nodeType": "YulTypedName", "src": "6835:9:105", "type": "" }, { "name": "value1", "nodeType": "YulTypedName", "src": "6846:6:105", "type": "" }, { "name": "value0", "nodeType": "YulTypedName", "src": "6854:6:105", "type": "" } ], "returnVariables": [ { "name": "tail", "nodeType": "YulTypedName", "src": "6865:4:105", "type": "" } ], "src": "6733:298:105" }, { "body": { "nodeType": "YulBlock", "src": "7210:180:105", "statements": [ { "expression": { "arguments": [ { "name": "headStart", "nodeType": "YulIdentifier", "src": "7227:9:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "7238:2:105", "type": "", "value": "32" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "7220:6:105" }, "nodeType": "YulFunctionCall", "src": "7220:21:105" }, "nodeType": "YulExpressionStatement", "src": "7220:21:105" }, { "expression": { "arguments": [ { "arguments": [ { "name": "headStart", "nodeType": "YulIdentifier", "src": "7261:9:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "7272:2:105", "type": "", "value": "32" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7257:3:105" }, "nodeType": "YulFunctionCall", "src": "7257:18:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "7277:2:105", "type": "", "value": "30" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "7250:6:105" }, "nodeType": "YulFunctionCall", "src": "7250:30:105" }, "nodeType": "YulExpressionStatement", "src": "7250:30:105" }, { "expression": { "arguments": [ { "arguments": [ { "name": "headStart", "nodeType": "YulIdentifier", "src": "7300:9:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "7311:2:105", "type": "", "value": "64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7296:3:105" }, "nodeType": "YulFunctionCall", "src": "7296:18:105" }, { "hexValue": "73656e646572206d7573742062652062726964676520636f6e7472616374", "kind": "string", "nodeType": "YulLiteral", "src": "7316:32:105", "type": "", "value": "sender must be bridge contract" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "7289:6:105" }, "nodeType": "YulFunctionCall", "src": "7289:60:105" }, "nodeType": "YulExpressionStatement", "src": "7289:60:105" }, { "nodeType": "YulAssignment", "src": "7358:26:105", "value": { "arguments": [ { "name": "headStart", "nodeType": "YulIdentifier", "src": "7370:9:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "7381:2:105", "type": "", "value": "96" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7366:3:105" }, "nodeType": "YulFunctionCall", "src": "7366:18:105" }, "variableNames": [ { "name": "tail", "nodeType": "YulIdentifier", "src": "7358:4:105" } ] } ] }, "name": "abi_encode_tuple_t_stringliteral_0febc0fc8991eb26dfaaceeb4d73d25b76da338550ed76c60410fec84388058e__to_t_string_memory_ptr__fromStack_reversed", "nodeType": "YulFunctionDefinition", "parameters": [ { "name": "headStart", "nodeType": "YulTypedName", "src": "7187:9:105", "type": "" } ], "returnVariables": [ { "name": "tail", "nodeType": "YulTypedName", "src": "7201:4:105", "type": "" } ], "src": "7036:354:105" }, { "body": { "nodeType": "YulBlock", "src": "7524:119:105", "statements": [ { "nodeType": "YulAssignment", "src": "7534:26:105", "value": { "arguments": [ { "name": "headStart", "nodeType": "YulIdentifier", "src": "7546:9:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "7557:2:105", "type": "", "value": "64" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7542:3:105" }, "nodeType": "YulFunctionCall", "src": "7542:18:105" }, "variableNames": [ { "name": "tail", "nodeType": "YulIdentifier", "src": "7534:4:105" } ] }, { "expression": { "arguments": [ { "name": "headStart", "nodeType": "YulIdentifier", "src": "7576:9:105" }, { "name": "value0", "nodeType": "YulIdentifier", "src": "7587:6:105" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "7569:6:105" }, "nodeType": "YulFunctionCall", "src": "7569:25:105" }, "nodeType": "YulExpressionStatement", "src": "7569:25:105" }, { "expression": { "arguments": [ { "arguments": [ { "name": "headStart", "nodeType": "YulIdentifier", "src": "7614:9:105" }, { "kind": "number", "nodeType": "YulLiteral", "src": "7625:2:105", "type": "", "value": "32" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "7610:3:105" }, "nodeType": "YulFunctionCall", "src": "7610:18:105" }, { "name": "value1", "nodeType": "YulIdentifier", "src": "7630:6:105" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "7603:6:105" }, "nodeType": "YulFunctionCall", "src": "7603:34:105" }, "nodeType": "YulExpressionStatement", "src": "7603:34:105" } ] }, "name": "abi_encode_tuple_t_uint256_t_uint256__to_t_uint256_t_uint256__fromStack_reversed", "nodeType": "YulFunctionDefinition", "parameters": [ { "name": "headStart", "nodeType": "YulTypedName", "src": "7485:9:105", "type": "" }, { "name": "value1", "nodeType": "YulTypedName", "src": "7496:6:105", "type": "" }, { "name": "value0", "nodeType": "YulTypedName", "src": "7504:6:105", "type": "" } ], "returnVariables": [ { "name": "tail", "nodeType": "YulTypedName", "src": "7515:4:105", "type": "" } ], "src": "7395:248:105" } ] }, "contents": "{\n { }\n function abi_encode_tuple_t_address__to_t_address__fromStack_reversed(headStart, value0) -> tail\n {\n tail := add(headStart, 32)\n mstore(headStart, and(value0, sub(shl(160, 1), 1)))\n }\n function abi_decode_bytes_calldata(offset, end) -> arrayPos, length\n {\n if iszero(slt(add(offset, 0x1f), end)) { revert(0, 0) }\n length := calldataload(offset)\n if gt(length, 0xffffffffffffffff) { revert(0, 0) }\n arrayPos := add(offset, 0x20)\n if gt(add(add(offset, length), 0x20), end) { revert(0, 0) }\n }\n function abi_decode_tuple_t_bytes32t_addresst_bytes_calldata_ptr(headStart, dataEnd) -> value0, value1, value2, value3\n {\n if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n value0 := calldataload(headStart)\n let value := calldataload(add(headStart, 32))\n if iszero(eq(value, and(value, sub(shl(160, 1), 1)))) { revert(0, 0) }\n value1 := value\n let offset := calldataload(add(headStart, 64))\n if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n let value2_1, value3_1 := abi_decode_bytes_calldata(add(headStart, offset), dataEnd)\n value2 := value2_1\n value3 := value3_1\n }\n function copy_memory_to_memory(src, dst, length)\n {\n let i := 0\n for { } lt(i, length) { i := add(i, 32) }\n {\n mstore(add(dst, i), mload(add(src, i)))\n }\n if gt(i, length) { mstore(add(dst, length), 0) }\n }\n function abi_encode_bytes(value, pos) -> end\n {\n let length := mload(value)\n mstore(pos, length)\n copy_memory_to_memory(add(value, 0x20), add(pos, 0x20), length)\n end := add(add(pos, and(add(length, 31), not(31))), 0x20)\n }\n function abi_encode_tuple_t_bytes_memory_ptr__to_t_bytes_memory_ptr__fromStack_reversed(headStart, value0) -> tail\n {\n mstore(headStart, 32)\n tail := abi_encode_bytes(value0, add(headStart, 32))\n }\n function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart, value0) -> tail\n {\n tail := add(headStart, 32)\n mstore(headStart, value0)\n }\n function abi_decode_tuple_t_bytes32t_bytes_calldata_ptr(headStart, dataEnd) -> value0, value1, value2\n {\n if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n value0 := calldataload(headStart)\n let offset := calldataload(add(headStart, 32))\n if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n let value1_1, value2_1 := abi_decode_bytes_calldata(add(headStart, offset), dataEnd)\n value1 := value1_1\n value2 := value2_1\n }\n function abi_encode_tuple_t_stringliteral_57915cfdce341f25dca73e4d221a5e2660b449f080238bbc6c61184d87f3c64a__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n {\n mstore(headStart, 32)\n mstore(add(headStart, 32), 21)\n mstore(add(headStart, 64), \"Incorrect data length\")\n tail := add(headStart, 96)\n }\n function checked_add_t_uint256(x, y) -> sum\n {\n if gt(x, not(y))\n {\n mstore(0, shl(224, 0x4e487b71))\n mstore(4, 0x11)\n revert(0, 0x24)\n }\n sum := add(x, y)\n }\n function calldata_array_index_range_access_t_bytes_calldata_ptr(offset, length, startIndex, endIndex) -> offsetOut, lengthOut\n {\n if gt(startIndex, endIndex) { revert(0, 0) }\n if gt(endIndex, length) { revert(0, 0) }\n offsetOut := add(offset, startIndex)\n lengthOut := sub(endIndex, startIndex)\n }\n function convert_bytes_to_fixedbytes_from_t_bytes_calldata_ptr_to_t_bytes32(array, len) -> value\n {\n value := calldataload(array)\n if lt(len, 32)\n {\n value := and(value, shl(shl(3, sub(32, len)), not(0)))\n }\n }\n function convert_bytes_to_fixedbytes_from_t_bytes_calldata_ptr_to_t_bytes2(array, len) -> value\n {\n let _1 := calldataload(array)\n let _2 := shl(240, 65535)\n value := and(_1, _2)\n if lt(len, 2)\n {\n value := and(and(_1, shl(shl(3, sub(2, len)), _2)), _2)\n }\n }\n function convert_bytes_to_fixedbytes_from_t_bytes_calldata_ptr_to_t_bytes1(array, len) -> value\n {\n let _1 := calldataload(array)\n let _2 := shl(248, 255)\n value := and(_1, _2)\n if lt(len, 1)\n {\n value := and(and(_1, shl(shl(3, sub(1, len)), _2)), _2)\n }\n }\n function convert_bytes_to_fixedbytes_from_t_bytes_calldata_ptr_to_t_bytes20(array, len) -> value\n {\n let _1 := calldataload(array)\n let _2 := not(0xffffffffffffffffffffffff)\n value := and(_1, _2)\n if lt(len, 20)\n {\n value := and(and(_1, shl(shl(3, sub(20, len)), _2)), _2)\n }\n }\n function abi_encode_tuple_t_stringliteral_48eea2e7835f01385fb99f401d0993f0b384de82e2d0099c16d455a9a9c00b9d__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n {\n mstore(headStart, 32)\n mstore(add(headStart, 32), 23)\n mstore(add(headStart, 64), \"requested fee too large\")\n tail := add(headStart, 96)\n }\n function abi_encode_tuple_t_stringliteral_dec96eeeb75c48ba1a9ba063e01f0196332652b091015273e0adeff7ae747a04__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n {\n mstore(headStart, 32)\n mstore(add(headStart, 32), 35)\n mstore(add(headStart, 64), \"incorrect depositor in deposit d\")\n mstore(add(headStart, 96), \"ata\")\n tail := add(headStart, 128)\n }\n function convert_bytes_to_fixedbytes_from_t_bytes_calldata_ptr_to_t_bytes4(array, len) -> value\n {\n let _1 := calldataload(array)\n let _2 := shl(224, 0xffffffff)\n value := and(_1, _2)\n if lt(len, 4)\n {\n value := and(and(_1, shl(shl(3, sub(4, len)), _2)), _2)\n }\n }\n function abi_encode_tuple_packed_t_bytes4_t_bytes_memory_ptr_t_bytes_memory_ptr__to_t_bytes4_t_bytes_memory_ptr_t_bytes_memory_ptr__nonPadded_inplace_fromStack_reversed(pos, value2, value1, value0) -> end\n {\n mstore(pos, and(value0, shl(224, 0xffffffff)))\n let length := mload(value1)\n copy_memory_to_memory(add(value1, 0x20), add(pos, 4), length)\n let _1 := add(pos, length)\n let length_1 := mload(value2)\n copy_memory_to_memory(add(value2, 0x20), add(_1, 4), length_1)\n end := add(add(_1, length_1), 4)\n }\n function abi_encode_tuple_packed_t_bytes_memory_ptr__to_t_bytes_memory_ptr__nonPadded_inplace_fromStack_reversed(pos, value0) -> end\n {\n let length := mload(value0)\n copy_memory_to_memory(add(value0, 0x20), pos, length)\n end := add(pos, length)\n }\n function abi_encode_tuple_t_bool_t_bytes_memory_ptr__to_t_bool_t_bytes_memory_ptr__fromStack_reversed(headStart, value1, value0) -> tail\n {\n mstore(headStart, iszero(iszero(value0)))\n mstore(add(headStart, 32), 64)\n tail := abi_encode_bytes(value1, add(headStart, 64))\n }\n function abi_encode_tuple_t_stringliteral_0febc0fc8991eb26dfaaceeb4d73d25b76da338550ed76c60410fec84388058e__to_t_string_memory_ptr__fromStack_reversed(headStart) -> tail\n {\n mstore(headStart, 32)\n mstore(add(headStart, 32), 30)\n mstore(add(headStart, 64), \"sender must be bridge contract\")\n tail := add(headStart, 96)\n }\n function abi_encode_tuple_t_uint256_t_uint256__to_t_uint256_t_uint256__fromStack_reversed(headStart, value1, value0) -> tail\n {\n tail := add(headStart, 64)\n mstore(headStart, value0)\n mstore(add(headStart, 32), value1)\n }\n}", "id": 105, "language": "Yul", "name": "#utility.yul" } ], "sourceMap": "354:10658:78:-:0;;;809:105;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;-1:-1:-1;;;;;877:30:78;;;354:10658;;14:290:105;84:6;137:2;125:9;116:7;112:23;108:32;105:52;;;153:1;150;143:12;105:52;179:16;;-1:-1:-1;;;;;224:31:105;;214:42;;204:70;;270:1;267;260:12;204:70;293:5;14:290;-1:-1:-1;;;14:290:105:o;:::-;354:10658:78;;;;;;;;;;;;;;;;;", "deployedSourceMap": 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"source": "// The Licensed Work is (c) 2022 Sygma\n// SPDX-License-Identifier: LGPL-3.0-only\npragma solidity 0.8.11;\n\nimport \"../interfaces/IHandler.sol\";\nimport \"../utils/SanityChecks.sol\";\n\n/**\n @title Handles generic deposits and deposit executions.\n @author ChainSafe Systems.\n @notice This contract is intended to be used with the Bridge contract.\n */\ncontract GmpHandler is IHandler {\n using SanityChecks for *;\n\n uint256 public constant MAX_FEE = 1000000;\n\n address public immutable _bridgeAddress;\n\n modifier onlyBridge() {\n _onlyBridge();\n _;\n }\n\n function _onlyBridge() private view {\n require(msg.sender == _bridgeAddress, \"sender must be bridge contract\");\n }\n\n /**\n @param bridgeAddress Contract address of previously deployed Bridge.\n */\n constructor(\n address bridgeAddress\n ) {\n _bridgeAddress = bridgeAddress;\n }\n\n /**\n @notice Blank function, required in IHandler.\n @param resourceID ResourceID to be used when making deposits.\n @param contractAddress Address of contract to be called when a deposit is made and a deposited is executed.\n @param args Additional data to be passed to specified handler.\n */\n function setResource(\n bytes32 resourceID,\n address contractAddress,\n bytes calldata args\n ) external onlyBridge {}\n\n /**\n @notice A deposit is initiated by making a deposit in the Bridge contract.\n @param resourceID ResourceID used to find address of contract to be used for deposit.\n @param depositor Address of the account making deposit in the Bridge contract.\n @param data Structure should be constructed as follows:\n maxFee: uint256 bytes 0 - 32\n len(executeFuncSignature): uint16 bytes 32 - 34\n executeFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature)\n len(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature)\n executeContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress)\n len(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress)\n executionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor)\n executionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END\n\n executionData is repacked together with executionDataDepositor address for using it in the target contract.\n If executionData contains dynamic types then it is necessary to keep the offsets correct.\n executionData should be encoded together with a 32-byte address and then passed as a parameter without that address.\n If the target function accepts (address depositor, bytes executionData)\n then a function like the following one can be used:\n\n function prepareDepositData(bytes calldata executionData) view external returns (bytes memory) {\n bytes memory encoded = abi.encode(address(0), executionData);\n return this.slice(encoded, 32);\n }\n\n function slice(bytes calldata input, uint256 position) pure public returns (bytes memory) {\n return input[position:];\n }\n After this, the target contract will get the following:\n executeFuncSignature(address executionDataDepositor, bytes executionData)\n\n Another example: if the target function accepts (address depositor, uint[], address)\n then a function like the following one can be used:\n\n function prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) {\n bytes memory encoded = abi.encode(address(0), uintArray, addr);\n return this.slice(encoded, 32);\n }\n\n After this, the target contract will get the following:\n executeFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)\n */\n function deposit(bytes32 resourceID, address depositor, bytes calldata data) external view returns (bytes memory) {\n require(data.length >= 76, \"Incorrect data length\"); // 32 + 2 + 1 + 1 + 20 + 20\n\n uint256 maxFee;\n uint16 lenExecuteFuncSignature;\n uint8 lenExecuteContractAddress;\n uint8 lenExecutionDataDepositor;\n address executionDataDepositor;\n\n uint256 pointer = 0;\n\n maxFee = uint256(bytes32(data[:pointer += 32])); \n lenExecuteFuncSignature = uint16(bytes2(data[pointer:pointer += 2]));\n pointer += lenExecuteFuncSignature;\n lenExecuteContractAddress = uint8(bytes1(data[pointer:pointer += 1]));\n pointer += lenExecuteContractAddress;\n lenExecutionDataDepositor = uint8(bytes1(data[pointer:pointer += 1]));\n executionDataDepositor = address(uint160(bytes20(data[pointer:pointer + lenExecutionDataDepositor])));\n\n require(maxFee < MAX_FEE, 'requested fee too large');\n require(depositor == executionDataDepositor, 'incorrect depositor in deposit data');\n }\n\n /**\n @notice Proposal execution should be initiated when a proposal is finalized in the Bridge contract.\n @param resourceID ResourceID used to find address of contract to be used for deposit.\n @param data Structure should be constructed as follows:\n maxFee: uint256 bytes 0 - 32\n len(executeFuncSignature): uint16 bytes 32 - 34\n executeFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature)\n len(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature)\n executeContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress)\n len(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress)\n executionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor)\n executionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END\n\n executionData is repacked together with executionDataDepositor address for using it in the target contract.\n If executionData contains dynamic types then it is necessary to keep the offsets correct.\n executionData should be encoded together with a 32-byte address and then passed as a parameter without that address.\n If the target function accepts (address depositor, bytes executionData)\n then a function like the following one can be used:\n\n function prepareDepositData(bytes calldata executionData) view external returns (bytes memory) {\n bytes memory encoded = abi.encode(address(0), executionData);\n return this.slice(encoded, 32);\n }\n\n function slice(bytes calldata input, uint256 position) pure public returns (bytes memory) {\n return input[position:];\n }\n\n After this, the target contract will get the following:\n executeFuncSignature(address executionDataDepositor, bytes executionData)\n\n Another example: if the target function accepts (address depositor, uint[], address)\n then a function like the following one can be used:\n\n function prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) {\n bytes memory encoded = abi.encode(address(0), uintArray, addr);\n return this.slice(encoded, 32);\n }\n\n After this, the target contract will get the following:\n executeFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)\n */\n function executeProposal(bytes32 resourceID, bytes calldata data) external onlyBridge returns (bytes memory) {\n uint256 maxFee;\n uint16 lenExecuteFuncSignature;\n bytes4 executeFuncSignature;\n uint8 lenExecuteContractAddress;\n address executeContractAddress;\n uint8 lenExecutionDataDepositor;\n address executionDataDepositor;\n bytes memory executionData;\n \n uint256 pointer = 0;\n\n maxFee = uint256(bytes32(data[:pointer += 32])); \n lenExecuteFuncSignature = uint16(bytes2(data[pointer:pointer += 2]));\n lenExecuteFuncSignature.mustBe(4);\n executeFuncSignature = bytes4(data[pointer:pointer += lenExecuteFuncSignature]);\n lenExecuteContractAddress = uint8(bytes1(data[pointer:pointer += 1]));\n lenExecuteContractAddress.mustBe(20);\n executeContractAddress = address(uint160(bytes20(data[pointer:pointer += lenExecuteContractAddress])));\n lenExecutionDataDepositor = uint8(bytes1(data[pointer:pointer += 1]));\n lenExecutionDataDepositor.mustBe(20);\n executionDataDepositor = address(uint160(bytes20(data[pointer:pointer += lenExecutionDataDepositor])));\n executionData = bytes(data[pointer:]);\n\n bytes memory callData = abi.encodePacked(executeFuncSignature, abi.encode(executionDataDepositor), executionData);\n (bool success, bytes memory returndata) = executeContractAddress.call{gas: maxFee}(callData);\n return abi.encode(success, returndata);\n }\n}\n", "sourcePath": "/home/runner/work/sygma-solidity/sygma-solidity/contracts/handlers/GmpHandler.sol", "ast": { "absolutePath": "project:/contracts/handlers/GmpHandler.sol", "exportedSymbols": { "GmpHandler": [ 15571 ], "IHandler": [ 18301 ], "SanityChecks": [ 19158 ] }, "id": 15572, "license": "LGPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 15172, "literals": [ "solidity", "0.8", ".11" ], "nodeType": "PragmaDirective", "src": "81:23:78" }, { "absolutePath": "project:/contracts/interfaces/IHandler.sol", "file": "../interfaces/IHandler.sol", "id": 15173, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 15572, "sourceUnit": 18302, "src": "106:36:78", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "project:/contracts/utils/SanityChecks.sol", "file": "../utils/SanityChecks.sol", "id": 15174, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 15572, "sourceUnit": 19159, "src": "143:35:78", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 15176, "name": "IHandler", "nodeType": "IdentifierPath", "referencedDeclaration": 18301, "src": "377:8:78" }, "id": 15177, "nodeType": "InheritanceSpecifier", "src": "377:8:78" } ], "canonicalName": "GmpHandler", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 15175, "nodeType": "StructuredDocumentation", "src": "180:173:78", "text": "@title Handles generic deposits and deposit executions.\n@author ChainSafe Systems.\n@notice This contract is intended to be used with the Bridge contract." }, "fullyImplemented": true, "id": 15571, "linearizedBaseContracts": [ 15571, 18301 ], "name": "GmpHandler", "nameLocation": "363:10:78", "nodeType": "ContractDefinition", "nodes": [ { "id": 15179, "libraryName": { "id": 15178, "name": "SanityChecks", "nodeType": "IdentifierPath", "referencedDeclaration": 19158, "src": "398:12:78" }, "nodeType": "UsingForDirective", "src": "392:25:78" }, { "constant": true, "functionSelector": "bc063e1a", "id": 15182, "mutability": "constant", "name": "MAX_FEE", "nameLocation": "447:7:78", "nodeType": "VariableDeclaration", "scope": 15571, "src": "423:41:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15180, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "423:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "31303030303030", "id": 15181, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "457:7:78", "typeDescriptions": { "typeIdentifier": "t_rational_1000000_by_1", "typeString": "int_const 1000000" }, "value": "1000000" }, "visibility": "public" }, { "constant": false, "functionSelector": "318c136e", "id": 15184, "mutability": "immutable", "name": "_bridgeAddress", "nameLocation": "496:14:78", "nodeType": "VariableDeclaration", "scope": 15571, "src": "471:39:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15183, "name": "address", "nodeType": "ElementaryTypeName", "src": "471:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "public" }, { "body": { "id": 15190, "nodeType": "Block", "src": "539:41:78", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 15186, "name": "_onlyBridge", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15203, "src": "549:11:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$__$", "typeString": "function () view" } }, "id": 15187, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "549:13:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15188, "nodeType": "ExpressionStatement", "src": "549:13:78" }, { "id": 15189, "nodeType": "PlaceholderStatement", "src": "572:1:78" } ] }, "id": 15191, "name": "onlyBridge", "nameLocation": "526:10:78", "nodeType": "ModifierDefinition", "parameters": { "id": 15185, "nodeType": "ParameterList", "parameters": [], "src": "536:2:78" }, "src": "517:63:78", "virtual": false, "visibility": "internal" }, { "body": { "id": 15202, "nodeType": "Block", "src": "622:88:78", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 15198, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 15195, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967281, "src": "640:3:78", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 15196, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "src": "640:10:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "id": 15197, "name": "_bridgeAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15184, "src": "654:14:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "640:28:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "73656e646572206d7573742062652062726964676520636f6e7472616374", "id": 15199, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "670:32:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_0febc0fc8991eb26dfaaceeb4d73d25b76da338550ed76c60410fec84388058e", "typeString": "literal_string \"sender must be bridge contract\"" }, "value": "sender must be bridge contract" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_0febc0fc8991eb26dfaaceeb4d73d25b76da338550ed76c60410fec84388058e", "typeString": "literal_string \"sender must be bridge contract\"" } ], "id": 15194, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "632:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 15200, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "632:71:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15201, "nodeType": "ExpressionStatement", "src": "632:71:78" } ] }, "id": 15203, "implemented": true, "kind": "function", "modifiers": [], "name": "_onlyBridge", "nameLocation": "595:11:78", "nodeType": "FunctionDefinition", "parameters": { "id": 15192, "nodeType": "ParameterList", "parameters": [], "src": "606:2:78" }, "returnParameters": { "id": 15193, "nodeType": "ParameterList", "parameters": [], "src": "622:0:78" }, "scope": 15571, "src": "586:124:78", "stateMutability": "view", "virtual": false, "visibility": "private" }, { "body": { "id": 15213, "nodeType": "Block", "src": "867:47:78", "statements": [ { "expression": { "id": 15211, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15209, "name": "_bridgeAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15184, "src": "877:14:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 15210, "name": "bridgeAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15206, "src": "894:13:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "877:30:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 15212, "nodeType": "ExpressionStatement", "src": "877:30:78" } ] }, "documentation": { "id": 15204, "nodeType": "StructuredDocumentation", "src": "716:88:78", "text": "@param bridgeAddress Contract address of previously deployed Bridge." }, "id": 15214, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nameLocation": "-1:-1:-1", "nodeType": "FunctionDefinition", "parameters": { "id": 15207, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15206, "mutability": "mutable", "name": "bridgeAddress", "nameLocation": "847:13:78", "nodeType": "VariableDeclaration", "scope": 15214, "src": "830:30:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15205, "name": "address", "nodeType": "ElementaryTypeName", "src": "830:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "820:46:78" }, "returnParameters": { "id": 15208, "nodeType": "ParameterList", "parameters": [], "src": "867:0:78" }, "scope": 15571, "src": "809:105:78", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "baseFunctions": [ 18300 ], "body": { "id": 15226, "nodeType": "Block", "src": "1384:2:78", "statements": [] }, "documentation": { "id": 15215, "nodeType": "StructuredDocumentation", "src": "920:322:78", "text": "@notice Blank function, required in IHandler.\n@param resourceID ResourceID to be used when making deposits.\n@param contractAddress Address of contract to be called when a deposit is made and a deposited is executed.\n@param args Additional data to be passed to specified handler." }, "functionSelector": "fa8675b0", "id": 15227, "implemented": true, "kind": "function", "modifiers": [ { "id": 15224, "kind": "modifierInvocation", "modifierName": { "id": 15223, "name": "onlyBridge", "nodeType": "IdentifierPath", "referencedDeclaration": 15191, "src": "1373:10:78" }, "nodeType": "ModifierInvocation", "src": "1373:10:78" } ], "name": "setResource", "nameLocation": "1256:11:78", "nodeType": "FunctionDefinition", "parameters": { "id": 15222, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15217, "mutability": "mutable", "name": "resourceID", "nameLocation": "1285:10:78", "nodeType": "VariableDeclaration", "scope": 15227, "src": "1277:18:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 15216, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1277:7:78", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" }, { "constant": false, "id": 15219, "mutability": "mutable", "name": "contractAddress", "nameLocation": "1313:15:78", "nodeType": "VariableDeclaration", "scope": 15227, "src": "1305:23:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15218, "name": "address", "nodeType": "ElementaryTypeName", "src": "1305:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 15221, "mutability": "mutable", "name": "args", "nameLocation": "1353:4:78", "nodeType": "VariableDeclaration", "scope": 15227, "src": "1338:19:78", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 15220, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1338:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "1267:96:78" }, "returnParameters": { "id": 15225, "nodeType": "ParameterList", "parameters": [], "src": "1384:0:78" }, "scope": 15571, "src": "1247:139:78", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "baseFunctions": [ 18280 ], "body": { "id": 15365, "nodeType": "Block", "src": "4976:1069:78", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 15243, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 15240, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15234, "src": "4994:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "id": 15241, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "4994:11:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "hexValue": "3736", "id": 15242, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "5009:2:78", "typeDescriptions": { "typeIdentifier": "t_rational_76_by_1", "typeString": "int_const 76" }, "value": "76" }, "src": "4994:17:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "496e636f72726563742064617461206c656e677468", "id": 15244, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "5013:23:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_57915cfdce341f25dca73e4d221a5e2660b449f080238bbc6c61184d87f3c64a", "typeString": "literal_string \"Incorrect data length\"" }, "value": "Incorrect data length" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_57915cfdce341f25dca73e4d221a5e2660b449f080238bbc6c61184d87f3c64a", "typeString": "literal_string \"Incorrect data length\"" } ], "id": 15239, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "4986:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 15245, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4986:51:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15246, "nodeType": "ExpressionStatement", "src": "4986:51:78" }, { "assignments": [ 15248 ], "declarations": [ { "constant": false, "id": 15248, "mutability": "mutable", "name": "maxFee", "nameLocation": "5091:6:78", "nodeType": "VariableDeclaration", "scope": 15365, "src": "5076:21:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15247, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5076:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 15249, "nodeType": "VariableDeclarationStatement", "src": "5076:21:78" }, { "assignments": [ 15251 ], "declarations": [ { "constant": false, "id": 15251, "mutability": "mutable", "name": "lenExecuteFuncSignature", "nameLocation": "5122:23:78", "nodeType": "VariableDeclaration", "scope": 15365, "src": "5107:38:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 15250, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5107:6:78", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "visibility": "internal" } ], "id": 15252, "nodeType": "VariableDeclarationStatement", "src": "5107:38:78" }, { "assignments": [ 15254 ], "declarations": [ { "constant": false, "id": 15254, "mutability": "mutable", "name": "lenExecuteContractAddress", "nameLocation": "5170:25:78", "nodeType": "VariableDeclaration", "scope": 15365, "src": "5155:40:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 15253, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "5155:5:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "id": 15255, "nodeType": "VariableDeclarationStatement", "src": "5155:40:78" }, { "assignments": [ 15257 ], "declarations": [ { "constant": false, "id": 15257, "mutability": "mutable", "name": "lenExecutionDataDepositor", "nameLocation": "5220:25:78", "nodeType": "VariableDeclaration", "scope": 15365, "src": "5205:40:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 15256, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "5205:5:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "id": 15258, "nodeType": "VariableDeclarationStatement", "src": "5205:40:78" }, { "assignments": [ 15260 ], "declarations": [ { "constant": false, "id": 15260, "mutability": "mutable", "name": "executionDataDepositor", "nameLocation": "5270:22:78", "nodeType": "VariableDeclaration", "scope": 15365, "src": "5255:37:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15259, "name": "address", "nodeType": "ElementaryTypeName", "src": "5255:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 15261, "nodeType": "VariableDeclarationStatement", "src": "5255:37:78" }, { "assignments": [ 15263 ], "declarations": [ { "constant": false, "id": 15263, "mutability": "mutable", "name": "pointer", "nameLocation": "5311:7:78", "nodeType": "VariableDeclaration", "scope": 15365, "src": "5303:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15262, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5303:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 15265, "initialValue": { "hexValue": "30", "id": 15264, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "5321:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "5303:19:78" }, { "expression": { "id": 15278, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15266, "name": "maxFee", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15248, "src": "5333:6:78", "typeDescriptions": { "typeIdentifier": 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"literal_string \"requested fee too large\"" }, "value": "requested fee too large" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_48eea2e7835f01385fb99f401d0993f0b384de82e2d0099c16d455a9a9c00b9d", "typeString": "literal_string \"requested fee too large\"" } ], "id": 15351, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "5893:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 15356, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5893:52:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15357, "nodeType": "ExpressionStatement", "src": "5893:52:78" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 15361, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 15359, "name": "depositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15232, "src": "5963:9:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "id": 15360, "name": "executionDataDepositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15260, "src": "5976:22:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "5963:35:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "696e636f7272656374206465706f7369746f7220696e206465706f7369742064617461", "id": 15362, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6000:37:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_dec96eeeb75c48ba1a9ba063e01f0196332652b091015273e0adeff7ae747a04", "typeString": "literal_string \"incorrect depositor in deposit data\"" }, "value": "incorrect depositor in deposit data" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_dec96eeeb75c48ba1a9ba063e01f0196332652b091015273e0adeff7ae747a04", "typeString": "literal_string \"incorrect depositor in deposit data\"" } ], "id": 15358, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "5955:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 15363, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5955:83:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15364, "nodeType": "ExpressionStatement", "src": "5955:83:78" } ] }, "documentation": { "id": 15228, "nodeType": "StructuredDocumentation", "src": "1392:3465:78", "text": "@notice A deposit is initiated by making a deposit in the Bridge contract.\n@param resourceID ResourceID used to find address of contract to be used for deposit.\n@param depositor Address of the account making deposit in the Bridge contract.\n@param data Structure should be constructed as follows:\nmaxFee: uint256 bytes 0 - 32\nlen(executeFuncSignature): uint16 bytes 32 - 34\nexecuteFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature)\nlen(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature)\nexecuteContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress)\nlen(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress)\nexecutionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor)\nexecutionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END\nexecutionData is repacked together with executionDataDepositor address for using it in the target contract.\nIf executionData contains dynamic types then it is necessary to keep the offsets correct.\nexecutionData should be encoded together with a 32-byte address and then passed as a parameter without that address.\nIf the target function accepts (address depositor, bytes executionData)\nthen a function like the following one can be used:\nfunction prepareDepositData(bytes calldata executionData) view external returns (bytes memory) {\nbytes memory encoded = abi.encode(address(0), executionData);\nreturn this.slice(encoded, 32);\n}\nfunction slice(bytes calldata input, uint256 position) pure public returns (bytes memory) {\nreturn input[position:];\n}\nAfter this, the target contract will get the following:\nexecuteFuncSignature(address executionDataDepositor, bytes executionData)\nAnother example: if the target function accepts (address depositor, uint[], address)\nthen a function like the following one can be used:\nfunction prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) {\nbytes memory encoded = abi.encode(address(0), uintArray, addr);\nreturn this.slice(encoded, 32);\n}\nAfter this, the target contract will get the following:\nexecuteFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)" }, "functionSelector": "b07e54bb", "id": 15366, "implemented": true, "kind": "function", "modifiers": [], "name": "deposit", "nameLocation": "4871:7:78", "nodeType": "FunctionDefinition", "parameters": { "id": 15235, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15230, "mutability": "mutable", "name": "resourceID", "nameLocation": "4887:10:78", "nodeType": "VariableDeclaration", "scope": 15366, "src": "4879:18:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 15229, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "4879:7:78", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" }, { "constant": false, "id": 15232, "mutability": "mutable", "name": "depositor", "nameLocation": "4907:9:78", "nodeType": "VariableDeclaration", "scope": 15366, "src": "4899:17:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15231, "name": "address", "nodeType": "ElementaryTypeName", "src": "4899:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 15234, "mutability": "mutable", "name": "data", "nameLocation": "4933:4:78", "nodeType": "VariableDeclaration", "scope": 15366, "src": "4918:19:78", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 15233, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4918:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "4878:60:78" }, "returnParameters": { "id": 15238, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15237, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 15366, "src": "4962:12:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 15236, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4962:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "4961:14:78" }, "scope": 15571, "src": "4862:1183:78", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "baseFunctions": [ 18290 ], "body": { "id": 15569, "nodeType": "Block", "src": "9437:1573:78", "statements": [ { "assignments": [ 15379 ], "declarations": [ { "constant": false, "id": 15379, "mutability": "mutable", "name": "maxFee", "nameLocation": "9462:6:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9447:21:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15378, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9447:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 15380, "nodeType": "VariableDeclarationStatement", "src": "9447:21:78" }, { "assignments": [ 15382 ], "declarations": [ { "constant": false, "id": 15382, "mutability": "mutable", "name": "lenExecuteFuncSignature", "nameLocation": "9493:23:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9478:38:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 15381, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "9478:6:78", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "visibility": "internal" } ], "id": 15383, "nodeType": "VariableDeclarationStatement", "src": "9478:38:78" }, { "assignments": [ 15385 ], "declarations": [ { "constant": false, "id": 15385, "mutability": "mutable", "name": "executeFuncSignature", "nameLocation": "9541:20:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9526:35:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 15384, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "9526:6:78", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "visibility": "internal" } ], "id": 15386, "nodeType": "VariableDeclarationStatement", "src": "9526:35:78" }, { "assignments": [ 15388 ], "declarations": [ { "constant": false, "id": 15388, "mutability": "mutable", "name": "lenExecuteContractAddress", "nameLocation": "9586:25:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9571:40:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 15387, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "9571:5:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "id": 15389, "nodeType": "VariableDeclarationStatement", "src": "9571:40:78" }, { "assignments": [ 15391 ], "declarations": [ { "constant": false, "id": 15391, "mutability": "mutable", "name": "executeContractAddress", "nameLocation": "9636:22:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9621:37:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15390, "name": "address", "nodeType": "ElementaryTypeName", "src": "9621:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 15392, "nodeType": "VariableDeclarationStatement", "src": "9621:37:78" }, { "assignments": [ 15394 ], "declarations": [ { "constant": false, "id": 15394, "mutability": "mutable", "name": "lenExecutionDataDepositor", "nameLocation": "9683:25:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9668:40:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 15393, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "9668:5:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" } ], "id": 15395, "nodeType": "VariableDeclarationStatement", "src": "9668:40:78" }, { "assignments": [ 15397 ], "declarations": [ { "constant": false, "id": 15397, "mutability": "mutable", "name": "executionDataDepositor", "nameLocation": "9733:22:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9718:37:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15396, "name": "address", "nodeType": "ElementaryTypeName", "src": "9718:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 15398, "nodeType": "VariableDeclarationStatement", "src": "9718:37:78" }, { "assignments": [ 15400 ], "declarations": [ { "constant": false, "id": 15400, "mutability": "mutable", "name": "executionData", "nameLocation": "9780:13:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9765:28:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 15399, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "9765:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 15401, "nodeType": "VariableDeclarationStatement", "src": "9765:28:78" }, { "assignments": [ 15403 ], "declarations": [ { "constant": false, "id": 15403, "mutability": "mutable", "name": "pointer", "nameLocation": "9820:7:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "9812:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15402, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9812:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "id": 15405, "initialValue": { "hexValue": "30", "id": 15404, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9830:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "9812:19:78" }, { "expression": { "id": 15418, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15406, "name": "maxFee", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15379, "src": "9842:6:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "baseExpression": { "id": 15411, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15371, "src": "9894:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "endExpression": { "id": 15414, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15412, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15403, "src": "9900:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "hexValue": "3332", "id": 15413, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9911:2:78", "typeDescriptions": { "typeIdentifier": "t_rational_32_by_1", "typeString": "int_const 32" }, "value": "32" }, "src": "9900:13:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15415, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexRangeAccess", "src": "9894:20:78", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } ], "id": 15410, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "9886:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": { "id": 15409, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "9886:7:78", "typeDescriptions": {} } }, "id": 15416, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9886:29:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "id": 15408, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "9878:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": { "id": 15407, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9878:7:78", "typeDescriptions": {} } }, "id": 15417, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9878:38:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9842:74:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15419, "nodeType": "ExpressionStatement", "src": "9842:74:78" }, { "expression": { "id": 15433, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15420, "name": "lenExecuteFuncSignature", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15382, "src": "9927:23:78", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "baseExpression": { "id": 15425, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15371, "src": "9977:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "endExpression": { "id": 15429, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15427, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15403, "src": "9990:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "hexValue": "32", "id": 15428, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10001:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "src": "9990:12:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15430, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexRangeAccess", "src": "9977:26:78", "startExpression": { "id": 15426, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15403, "src": "9982:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } ], "id": 15424, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "9970:6:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes2_$", "typeString": "type(bytes2)" }, "typeName": { "id": 15423, "name": "bytes2", "nodeType": "ElementaryTypeName", "src": "9970:6:78", "typeDescriptions": {} } }, "id": 15431, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9970:34:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes2", "typeString": "bytes2" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes2", "typeString": "bytes2" } ], "id": 15422, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "9963:6:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint16_$", "typeString": "type(uint16)" }, "typeName": { "id": 15421, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "9963:6:78", "typeDescriptions": {} } }, "id": 15432, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9963:42:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "src": "9927:78:78", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 15434, "nodeType": "ExpressionStatement", "src": "9927:78:78" }, { "expression": { "arguments": [ { "hexValue": "34", "id": 15438, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10046:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" } ], "expression": { "id": 15435, "name": "lenExecuteFuncSignature", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15382, "src": "10015:23:78", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 15437, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mustBe", "nodeType": "MemberAccess", "referencedDeclaration": 19157, "src": "10015:30:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 15439, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10015:33:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15440, "nodeType": "ExpressionStatement", "src": "10015:33:78" }, { "expression": { "id": 15451, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15441, "name": "executeFuncSignature", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15385, "src": "10058:20:78", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "baseExpression": { "id": 15444, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15371, "src": "10101:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "endExpression": { "id": 15448, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15446, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15403, "src": "10114:7:78", "typeDescriptions": { "typeIdentifier": 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"lenExecutionDataDepositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15394, "src": "10503:25:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "id": 15509, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mustBe", "nodeType": "MemberAccess", "referencedDeclaration": 19157, "src": "10503:32:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 15511, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10503:36:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15512, "nodeType": "ExpressionStatement", "src": "10503:36:78" }, { "expression": { 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"typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "id": 15523, "name": "lenExecutionDataDepositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15394, "src": "10633:25:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "10622:36:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15525, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexRangeAccess", "src": "10609:50:78", "startExpression": { "id": 15521, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15403, "src": "10614:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } } ], 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"nodeType": "ElementaryTypeNameExpression", "src": "10593:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint160_$", "typeString": "type(uint160)" }, "typeName": { "id": 15516, "name": "uint160", "nodeType": "ElementaryTypeName", "src": "10593:7:78", "typeDescriptions": {} } }, "id": 15527, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10593:68:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint160", "typeString": "uint160" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint160", "typeString": "uint160" } ], "id": 15515, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "10585:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 15514, "name": "address", "nodeType": "ElementaryTypeName", "src": "10585:7:78", "typeDescriptions": {} } }, "id": 15528, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10585:77:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "10549:113:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 15530, "nodeType": "ExpressionStatement", "src": "10549:113:78" }, { "expression": { "id": 15538, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15531, "name": "executionData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15400, "src": "10672:13:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "baseExpression": { "id": 15534, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15371, "src": "10714:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "id": 15536, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexRangeAccess", "src": "10714:14:78", "startExpression": { "id": 15535, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15403, "src": "10719:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } ], "id": 15533, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "10708:5:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes_storage_ptr_$", "typeString": "type(bytes storage pointer)" }, "typeName": { "id": 15532, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "10708:5:78", "typeDescriptions": {} } }, "id": 15537, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10708:21:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "src": "10672:57:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 15539, "nodeType": "ExpressionStatement", "src": "10672:57:78" }, { "assignments": [ 15541 ], "declarations": [ { "constant": false, "id": 15541, "mutability": "mutable", "name": "callData", "nameLocation": "10753:8:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "10740:21:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 15540, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "10740:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 15551, "initialValue": { "arguments": [ { "id": 15544, "name": "executeFuncSignature", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15385, "src": "10781:20:78", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, { "arguments": [ { "id": 15547, "name": "executionDataDepositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15397, "src": "10814:22:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "id": 15545, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967295, "src": "10803:3:78", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 15546, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encode", "nodeType": "MemberAccess", "src": "10803:10:78", "typeDescriptions": { "typeIdentifier": "t_function_abiencode_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 15548, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10803:34:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "id": 15549, "name": "executionData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15400, "src": "10839:13:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "id": 15542, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967295, "src": "10764:3:78", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 15543, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodePacked", "nodeType": "MemberAccess", "src": "10764:16:78", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 15550, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10764:89:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "10740:113:78" }, { "assignments": [ 15553, 15555 ], "declarations": [ { "constant": false, "id": 15553, "mutability": "mutable", "name": "success", "nameLocation": "10869:7:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "10864:12:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 15552, "name": "bool", "nodeType": "ElementaryTypeName", "src": "10864:4:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, { "constant": false, "id": 15555, "mutability": "mutable", "name": "returndata", "nameLocation": "10891:10:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "10878:23:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 15554, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "10878:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 15562, "initialValue": { "arguments": [ { "id": 15560, "name": "callData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15541, "src": "10946:8:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "id": 15556, "name": "executeContractAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15391, "src": "10905:22:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 15557, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "call", "nodeType": "MemberAccess", "src": "10905:27:78", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 15559, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "names": [ "gas" ], "nodeType": "FunctionCallOptions", "options": [ { "id": 15558, "name": "maxFee", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15379, "src": "10938:6:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "src": "10905:40:78", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$gas", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 15561, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10905:50:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "10863:92:78" }, { "expression": { "arguments": [ { "id": 15565, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15553, "src": "10983:7:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "id": 15566, "name": "returndata", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15555, "src": "10992:10:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "id": 15563, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967295, "src": "10972:3:78", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 15564, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encode", "nodeType": "MemberAccess", "src": "10972:10:78", "typeDescriptions": { "typeIdentifier": "t_function_abiencode_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 15567, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10972:31:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 15377, "id": 15568, "nodeType": "Return", "src": "10965:38:78" } ] }, "documentation": { "id": 15367, "nodeType": "StructuredDocumentation", "src": "6051:3272:78", "text": "@notice Proposal execution should be initiated when a proposal is finalized in the Bridge contract.\n@param resourceID ResourceID used to find address of contract to be used for deposit.\n@param data Structure should be constructed as follows:\nmaxFee: uint256 bytes 0 - 32\nlen(executeFuncSignature): uint16 bytes 32 - 34\nexecuteFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature)\nlen(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature)\nexecuteContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress)\nlen(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress)\nexecutionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor)\nexecutionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END\nexecutionData is repacked together with executionDataDepositor address for using it in the target contract.\nIf executionData contains dynamic types then it is necessary to keep the offsets correct.\nexecutionData should be encoded together with a 32-byte address and then passed as a parameter without that address.\nIf the target function accepts (address depositor, bytes executionData)\nthen a function like the following one can be used:\nfunction prepareDepositData(bytes calldata executionData) view external returns (bytes memory) {\nbytes memory encoded = abi.encode(address(0), executionData);\nreturn this.slice(encoded, 32);\n}\nfunction slice(bytes calldata input, uint256 position) pure public returns (bytes memory) {\nreturn input[position:];\n}\nAfter this, the target contract will get the following:\nexecuteFuncSignature(address executionDataDepositor, bytes executionData)\nAnother example: if the target function accepts (address depositor, uint[], address)\nthen a function like the following one can be used:\nfunction prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) {\nbytes memory encoded = abi.encode(address(0), uintArray, addr);\nreturn this.slice(encoded, 32);\n}\nAfter this, the target contract will get the following:\nexecuteFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)" }, "functionSelector": "e248cff2", "id": 15570, "implemented": true, "kind": "function", "modifiers": [ { "id": 15374, "kind": "modifierInvocation", "modifierName": { "id": 15373, "name": "onlyBridge", "nodeType": "IdentifierPath", "referencedDeclaration": 15191, "src": "9403:10:78" }, "nodeType": "ModifierInvocation", "src": "9403:10:78" } ], "name": "executeProposal", "nameLocation": "9337:15:78", "nodeType": "FunctionDefinition", "parameters": { "id": 15372, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15369, "mutability": "mutable", "name": "resourceID", "nameLocation": "9361:10:78", "nodeType": "VariableDeclaration", "scope": 15570, "src": "9353:18:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 15368, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "9353:7:78", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" }, { "constant": false, "id": 15371, "mutability": "mutable", "name": "data", "nameLocation": "9388:4:78", "nodeType": "VariableDeclaration", "scope": 15570, "src": "9373:19:78", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 15370, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "9373:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "9352:41:78" }, "returnParameters": { "id": 15377, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15376, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 15570, "src": "9423:12:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 15375, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "9423:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "9422:14:78" }, "scope": 15571, "src": "9328:1682:78", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" } ], "scope": 15572, "src": "354:10658:78", "usedErrors": [ 19116 ] } ], "src": "81:10932:78" }, "legacyAST": { "absolutePath": "project:/contracts/handlers/GmpHandler.sol", "exportedSymbols": { "GmpHandler": [ 15571 ], "IHandler": [ 18301 ], "SanityChecks": [ 19158 ] }, "id": 15572, "license": "LGPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 15172, "literals": [ "solidity", "0.8", ".11" ], "nodeType": "PragmaDirective", "src": "81:23:78" }, { "absolutePath": "project:/contracts/interfaces/IHandler.sol", "file": "../interfaces/IHandler.sol", "id": 15173, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 15572, "sourceUnit": 18302, "src": "106:36:78", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "project:/contracts/utils/SanityChecks.sol", "file": "../utils/SanityChecks.sol", "id": 15174, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 15572, "sourceUnit": 19159, "src": "143:35:78", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 15176, "name": "IHandler", "nodeType": "IdentifierPath", "referencedDeclaration": 18301, "src": "377:8:78" }, "id": 15177, "nodeType": "InheritanceSpecifier", "src": "377:8:78" } ], "canonicalName": "GmpHandler", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 15175, "nodeType": "StructuredDocumentation", "src": "180:173:78", "text": "@title Handles generic deposits and deposit executions.\n@author ChainSafe Systems.\n@notice This contract is intended to be used with the Bridge contract." }, "fullyImplemented": true, "id": 15571, "linearizedBaseContracts": [ 15571, 18301 ], "name": "GmpHandler", "nameLocation": "363:10:78", "nodeType": "ContractDefinition", "nodes": [ { "id": 15179, "libraryName": { "id": 15178, "name": "SanityChecks", "nodeType": "IdentifierPath", "referencedDeclaration": 19158, "src": "398:12:78" }, "nodeType": "UsingForDirective", "src": "392:25:78" }, { "constant": true, "functionSelector": "bc063e1a", "id": 15182, "mutability": "constant", "name": "MAX_FEE", "nameLocation": "447:7:78", "nodeType": "VariableDeclaration", "scope": 15571, "src": "423:41:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 15180, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "423:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "31303030303030", "id": 15181, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "457:7:78", "typeDescriptions": { "typeIdentifier": "t_rational_1000000_by_1", "typeString": "int_const 1000000" }, "value": "1000000" }, "visibility": "public" }, { "constant": false, "functionSelector": "318c136e", "id": 15184, "mutability": "immutable", "name": "_bridgeAddress", "nameLocation": "496:14:78", "nodeType": "VariableDeclaration", "scope": 15571, "src": "471:39:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15183, "name": "address", "nodeType": "ElementaryTypeName", "src": "471:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "public" }, { "body": { "id": 15190, "nodeType": "Block", "src": "539:41:78", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 15186, "name": "_onlyBridge", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15203, "src": "549:11:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$__$", "typeString": "function () view" } }, "id": 15187, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "549:13:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15188, "nodeType": "ExpressionStatement", "src": "549:13:78" }, { "id": 15189, "nodeType": "PlaceholderStatement", "src": "572:1:78" } ] }, "id": 15191, "name": "onlyBridge", "nameLocation": "526:10:78", "nodeType": "ModifierDefinition", "parameters": { "id": 15185, "nodeType": "ParameterList", "parameters": [], "src": "536:2:78" }, "src": "517:63:78", "virtual": false, "visibility": "internal" }, { "body": { "id": 15202, "nodeType": "Block", "src": "622:88:78", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 15198, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "id": 15195, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967281, "src": "640:3:78", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 15196, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "src": "640:10:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "id": 15197, "name": "_bridgeAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15184, "src": "654:14:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "640:28:78", "typeDescriptions": { "typeIdentifier": 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}, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } ], "id": 15303, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "5592:6:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes1_$", "typeString": "type(bytes1)" }, "typeName": { "id": 15302, "name": "bytes1", "nodeType": "ElementaryTypeName", "src": "5592:6:78", "typeDescriptions": {} } }, "id": 15310, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5592:34:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } ], "id": 15301, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "5586:5:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint8_$", "typeString": "type(uint8)" }, "typeName": { "id": 15300, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "5586:5:78", "typeDescriptions": {} } }, "id": 15311, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5586:41:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "5550:77:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "id": 15313, "nodeType": "ExpressionStatement", "src": "5550:77:78" }, { "expression": { "id": 15316, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15314, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15263, "src": "5637:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "id": 15315, "name": "lenExecuteContractAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15254, "src": "5648:25:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "5637:36:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15317, "nodeType": "ExpressionStatement", "src": "5637:36:78" }, { "expression": { "id": 15331, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15318, "name": "lenExecutionDataDepositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15257, "src": "5683:25:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "baseExpression": { "id": 15323, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15234, "src": "5732:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "endExpression": { "id": 15327, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15325, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15263, "src": "5745:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "hexValue": "31", "id": 15326, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "5756:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "5745:12:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15328, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexRangeAccess", "src": "5732:26:78", "startExpression": { "id": 15324, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15263, "src": "5737:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } ], "id": 15322, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "5725:6:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes1_$", "typeString": "type(bytes1)" }, "typeName": { "id": 15321, "name": "bytes1", "nodeType": "ElementaryTypeName", "src": "5725:6:78", "typeDescriptions": {} } }, "id": 15329, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5725:34:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes1", "typeString": "bytes1" } ], "id": 15320, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "5719:5:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint8_$", "typeString": "type(uint8)" }, "typeName": { "id": 15319, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "5719:5:78", "typeDescriptions": {} } }, "id": 15330, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5719:41:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "5683:77:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "id": 15332, "nodeType": "ExpressionStatement", "src": "5683:77:78" }, { "expression": { "id": 15349, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 15333, "name": "executionDataDepositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15260, "src": "5770:22:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "arguments": [ { "arguments": [ { "baseExpression": { "id": 15340, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15234, "src": "5830:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "endExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 15344, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 15342, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15263, "src": "5843:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "id": 15343, "name": "lenExecutionDataDepositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15257, "src": "5853:25:78", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "src": "5843:35:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 15345, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexRangeAccess", "src": "5830:49:78", "startExpression": { "id": 15341, "name": "pointer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15263, "src": "5835:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr_slice", "typeString": "bytes calldata slice" } ], "id": 15339, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "5822:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes20_$", "typeString": "type(bytes20)" }, "typeName": { "id": 15338, "name": "bytes20", "nodeType": "ElementaryTypeName", "src": "5822:7:78", "typeDescriptions": {} } }, "id": 15346, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5822:58:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } ], "id": 15337, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "5814:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint160_$", "typeString": "type(uint160)" }, "typeName": { "id": 15336, "name": "uint160", "nodeType": "ElementaryTypeName", "src": "5814:7:78", "typeDescriptions": {} } }, "id": 15347, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5814:67:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint160", "typeString": "uint160" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint160", "typeString": "uint160" } ], "id": 15335, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "5806:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 15334, "name": "address", "nodeType": "ElementaryTypeName", "src": "5806:7:78", "typeDescriptions": {} } }, "id": 15348, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5806:76:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "5770:112:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 15350, "nodeType": "ExpressionStatement", "src": "5770:112:78" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 15354, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 15352, "name": "maxFee", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15248, "src": "5901:6:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "id": 15353, "name": "MAX_FEE", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15182, "src": "5910:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5901:16:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "7265717565737465642066656520746f6f206c61726765", "id": 15355, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "5919:25:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_48eea2e7835f01385fb99f401d0993f0b384de82e2d0099c16d455a9a9c00b9d", "typeString": "literal_string \"requested fee too large\"" }, "value": "requested fee too large" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_48eea2e7835f01385fb99f401d0993f0b384de82e2d0099c16d455a9a9c00b9d", "typeString": "literal_string \"requested fee too large\"" } ], "id": 15351, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "5893:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 15356, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5893:52:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15357, "nodeType": "ExpressionStatement", "src": "5893:52:78" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 15361, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 15359, "name": "depositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15232, "src": "5963:9:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "id": 15360, "name": "executionDataDepositor", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15260, "src": "5976:22:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "5963:35:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "696e636f7272656374206465706f7369746f7220696e206465706f7369742064617461", "id": 15362, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6000:37:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_dec96eeeb75c48ba1a9ba063e01f0196332652b091015273e0adeff7ae747a04", "typeString": "literal_string \"incorrect depositor in deposit data\"" }, "value": "incorrect depositor in deposit data" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_dec96eeeb75c48ba1a9ba063e01f0196332652b091015273e0adeff7ae747a04", "typeString": "literal_string \"incorrect depositor in deposit data\"" } ], "id": 15358, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "5955:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 15363, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5955:83:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 15364, "nodeType": "ExpressionStatement", "src": "5955:83:78" } ] }, "documentation": { "id": 15228, "nodeType": "StructuredDocumentation", "src": "1392:3465:78", "text": "@notice A deposit is initiated by making a deposit in the Bridge contract.\n@param resourceID ResourceID used to find address of contract to be used for deposit.\n@param depositor Address of the account making deposit in the Bridge contract.\n@param data Structure should be constructed as follows:\nmaxFee: uint256 bytes 0 - 32\nlen(executeFuncSignature): uint16 bytes 32 - 34\nexecuteFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature)\nlen(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature)\nexecuteContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress)\nlen(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress)\nexecutionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor)\nexecutionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END\nexecutionData is repacked together with executionDataDepositor address for using it in the target contract.\nIf executionData contains dynamic types then it is necessary to keep the offsets correct.\nexecutionData should be encoded together with a 32-byte address and then passed as a parameter without that address.\nIf the target function accepts (address depositor, bytes executionData)\nthen a function like the following one can be used:\nfunction prepareDepositData(bytes calldata executionData) view external returns (bytes memory) {\nbytes memory encoded = abi.encode(address(0), executionData);\nreturn this.slice(encoded, 32);\n}\nfunction slice(bytes calldata input, uint256 position) pure public returns (bytes memory) {\nreturn input[position:];\n}\nAfter this, the target contract will get the following:\nexecuteFuncSignature(address executionDataDepositor, bytes executionData)\nAnother example: if the target function accepts (address depositor, uint[], address)\nthen a function like the following one can be used:\nfunction prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) {\nbytes memory encoded = abi.encode(address(0), uintArray, addr);\nreturn this.slice(encoded, 32);\n}\nAfter this, the target contract will get the following:\nexecuteFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)" }, "functionSelector": "b07e54bb", "id": 15366, "implemented": true, "kind": "function", "modifiers": [], "name": "deposit", "nameLocation": "4871:7:78", "nodeType": "FunctionDefinition", "parameters": { "id": 15235, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15230, "mutability": "mutable", "name": "resourceID", "nameLocation": "4887:10:78", "nodeType": "VariableDeclaration", "scope": 15366, "src": "4879:18:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 15229, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "4879:7:78", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" }, { "constant": false, "id": 15232, "mutability": "mutable", "name": "depositor", "nameLocation": "4907:9:78", "nodeType": "VariableDeclaration", "scope": 15366, "src": "4899:17:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 15231, "name": "address", "nodeType": "ElementaryTypeName", "src": "4899:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 15234, "mutability": "mutable", "name": "data", "nameLocation": "4933:4:78", "nodeType": "VariableDeclaration", "scope": 15366, "src": "4918:19:78", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": 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"10764:16:78", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 15550, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10764:89:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "10740:113:78" }, { "assignments": [ 15553, 15555 ], "declarations": [ { "constant": false, "id": 15553, "mutability": "mutable", "name": "success", "nameLocation": "10869:7:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "10864:12:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 15552, "name": "bool", "nodeType": "ElementaryTypeName", "src": "10864:4:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, { "constant": false, "id": 15555, "mutability": "mutable", "name": "returndata", "nameLocation": "10891:10:78", "nodeType": "VariableDeclaration", "scope": 15569, "src": "10878:23:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 15554, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "10878:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 15562, "initialValue": { "arguments": [ { "id": 15560, "name": "callData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15541, "src": "10946:8:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "id": 15556, "name": "executeContractAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15391, "src": "10905:22:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 15557, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "call", "nodeType": "MemberAccess", "src": "10905:27:78", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 15559, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "names": [ "gas" ], "nodeType": "FunctionCallOptions", "options": [ { "id": 15558, "name": "maxFee", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15379, "src": "10938:6:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "src": "10905:40:78", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$gas", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 15561, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10905:50:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "10863:92:78" }, { "expression": { "arguments": [ { "id": 15565, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15553, "src": "10983:7:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "id": 15566, "name": "returndata", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 15555, "src": "10992:10:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "id": 15563, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967295, "src": "10972:3:78", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 15564, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encode", "nodeType": "MemberAccess", "src": "10972:10:78", "typeDescriptions": { "typeIdentifier": "t_function_abiencode_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 15567, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "10972:31:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 15377, "id": 15568, "nodeType": "Return", "src": "10965:38:78" } ] }, "documentation": { "id": 15367, "nodeType": "StructuredDocumentation", "src": "6051:3272:78", "text": "@notice Proposal execution should be initiated when a proposal is finalized in the Bridge contract.\n@param resourceID ResourceID used to find address of contract to be used for deposit.\n@param data Structure should be constructed as follows:\nmaxFee: uint256 bytes 0 - 32\nlen(executeFuncSignature): uint16 bytes 32 - 34\nexecuteFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature)\nlen(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature)\nexecuteContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress)\nlen(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress)\nexecutionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor)\nexecutionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END\nexecutionData is repacked together with executionDataDepositor address for using it in the target contract.\nIf executionData contains dynamic types then it is necessary to keep the offsets correct.\nexecutionData should be encoded together with a 32-byte address and then passed as a parameter without that address.\nIf the target function accepts (address depositor, bytes executionData)\nthen a function like the following one can be used:\nfunction prepareDepositData(bytes calldata executionData) view external returns (bytes memory) {\nbytes memory encoded = abi.encode(address(0), executionData);\nreturn this.slice(encoded, 32);\n}\nfunction slice(bytes calldata input, uint256 position) pure public returns (bytes memory) {\nreturn input[position:];\n}\nAfter this, the target contract will get the following:\nexecuteFuncSignature(address executionDataDepositor, bytes executionData)\nAnother example: if the target function accepts (address depositor, uint[], address)\nthen a function like the following one can be used:\nfunction prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) {\nbytes memory encoded = abi.encode(address(0), uintArray, addr);\nreturn this.slice(encoded, 32);\n}\nAfter this, the target contract will get the following:\nexecuteFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)" }, "functionSelector": "e248cff2", "id": 15570, "implemented": true, "kind": "function", "modifiers": [ { "id": 15374, "kind": "modifierInvocation", "modifierName": { "id": 15373, "name": "onlyBridge", "nodeType": "IdentifierPath", "referencedDeclaration": 15191, "src": "9403:10:78" }, "nodeType": "ModifierInvocation", "src": "9403:10:78" } ], "name": "executeProposal", "nameLocation": "9337:15:78", "nodeType": "FunctionDefinition", "parameters": { "id": 15372, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15369, "mutability": "mutable", "name": "resourceID", "nameLocation": "9361:10:78", "nodeType": "VariableDeclaration", "scope": 15570, "src": "9353:18:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 15368, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "9353:7:78", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" }, { "constant": false, "id": 15371, "mutability": "mutable", "name": "data", "nameLocation": "9388:4:78", "nodeType": "VariableDeclaration", "scope": 15570, "src": "9373:19:78", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 15370, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "9373:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "9352:41:78" }, "returnParameters": { "id": 15377, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 15376, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 15570, "src": "9423:12:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 15375, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "9423:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "9422:14:78" }, "scope": 15571, "src": "9328:1682:78", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" } ], "scope": 15572, "src": "354:10658:78", "usedErrors": [ 19116 ] } ], "src": "81:10932:78" }, "compiler": { "name": "solc", "version": "0.8.11+commit.d7f03943.Emscripten.clang" }, "networks": { "1727170272871": { "events": {}, "links": {}, "address": "0x94e9070f0354b69E7FB583134A820949A390D341", "transactionHash": "0x22092e7f47a8edc98c5e9f0c7fd08b648c78046ceb03711d5b8cd1df1c342bcf" }, "1727170313921": { "events": {}, "links": {}, "address": "0x94e9070f0354b69E7FB583134A820949A390D341", "transactionHash": "0x6125adfc5341d5f5ef4c09511f1c9ebbef83667d42c06ad67a175cc603efc9bf" } }, "schemaVersion": "3.4.6", "updatedAt": "2024-09-24T09:32:09.271Z", "networkType": "ethereum", "devdoc": { "author": "ChainSafe Systems.", "kind": "dev", "methods": { "constructor": { "params": { "bridgeAddress": "Contract address of previously deployed Bridge." } }, "deposit(bytes32,address,bytes)": { "params": { "data": "Structure should be constructed as follows: maxFee: uint256 bytes 0 - 32 len(executeFuncSignature): uint16 bytes 32 - 34 executeFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature) len(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature) executeContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress) len(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) executionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) executionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END executionData is repacked together with executionDataDepositor address for using it in the target contract. If executionData contains dynamic types then it is necessary to keep the offsets correct. executionData should be encoded together with a 32-byte address and then passed as a parameter without that address. If the target function accepts (address depositor, bytes executionData) then a function like the following one can be used: function prepareDepositData(bytes calldata executionData) view external returns (bytes memory) { bytes memory encoded = abi.encode(address(0), executionData); return this.slice(encoded, 32); } function slice(bytes calldata input, uint256 position) pure public returns (bytes memory) { return input[position:]; } After this, the target contract will get the following: executeFuncSignature(address executionDataDepositor, bytes executionData) Another example: if the target function accepts (address depositor, uint[], address) then a function like the following one can be used: function prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) { bytes memory encoded = abi.encode(address(0), uintArray, addr); return this.slice(encoded, 32); } After this, the target contract will get the following: executeFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)", "depositor": "Address of the account making deposit in the Bridge contract.", "resourceID": "ResourceID used to find address of contract to be used for deposit." } }, "executeProposal(bytes32,bytes)": { "params": { "data": "Structure should be constructed as follows: maxFee: uint256 bytes 0 - 32 len(executeFuncSignature): uint16 bytes 32 - 34 executeFuncSignature: bytes bytes 34 - 34 + len(executeFuncSignature) len(executeContractAddress): uint8 bytes 34 + len(executeFuncSignature) - 35 + len(executeFuncSignature) executeContractAddress bytes bytes 35 + len(executeFuncSignature) - 35 + len(executeFuncSignature) + len(executeContractAddress) len(executionDataDepositor): uint8 bytes 35 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) executionDataDepositor: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) - 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) executionData: bytes bytes 36 + len(executeFuncSignature) + len(executeContractAddress) + len(executionDataDepositor) - END executionData is repacked together with executionDataDepositor address for using it in the target contract. If executionData contains dynamic types then it is necessary to keep the offsets correct. executionData should be encoded together with a 32-byte address and then passed as a parameter without that address. If the target function accepts (address depositor, bytes executionData) then a function like the following one can be used: function prepareDepositData(bytes calldata executionData) view external returns (bytes memory) { bytes memory encoded = abi.encode(address(0), executionData); return this.slice(encoded, 32); } function slice(bytes calldata input, uint256 position) pure public returns (bytes memory) { return input[position:]; } After this, the target contract will get the following: executeFuncSignature(address executionDataDepositor, bytes executionData) Another example: if the target function accepts (address depositor, uint[], address) then a function like the following one can be used: function prepareDepositData(uint[] calldata uintArray, address addr) view external returns (bytes memory) { bytes memory encoded = abi.encode(address(0), uintArray, addr); return this.slice(encoded, 32); } After this, the target contract will get the following: executeFuncSignature(address executionDataDepositor, uint[] uintArray, address addr)", "resourceID": "ResourceID used to find address of contract to be used for deposit." } }, "setResource(bytes32,address,bytes)": { "params": { "args": "Additional data to be passed to specified handler.", "contractAddress": "Address of contract to be called when a deposit is made and a deposited is executed.", "resourceID": "ResourceID to be used when making deposits." } } }, "title": "Handles generic deposits and deposit executions.", "version": 1 }, "userdoc": { "kind": "user", "methods": { "deposit(bytes32,address,bytes)": { "notice": "A deposit is initiated by making a deposit in the Bridge contract." }, "executeProposal(bytes32,bytes)": { "notice": "Proposal execution should be initiated when a proposal is finalized in the Bridge contract." }, "setResource(bytes32,address,bytes)": { "notice": "Blank function, required in IHandler." } }, "notice": "This contract is intended to be used with the Bridge contract.", "version": 1 } }