{ "contractName": "TBTCToken", "abi": [ { "inputs": [ { "internalType": "address", "name": "_VendingMachine", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "spender", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "spender", "type": "address" } ], "name": "allowance", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "approve", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "decimals", "outputs": [ { "internalType": "uint8", "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "subtractedValue", "type": "uint256" } ], "name": "decreaseAllowance", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "addedValue", "type": "uint256" } ], "name": "increaseAllowance", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "name", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "symbol", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "recipient", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "transfer", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "sender", "type": "address" }, { "internalType": "address", "name": "recipient", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "transferFrom", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "_account", "type": "address" }, { "internalType": "uint256", "name": "_amount", "type": "uint256" } ], "name": "mint", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "_account", "type": "address" }, { "internalType": "uint256", "name": "_amount", "type": "uint256" } ], "name": "burnFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "uint256", "name": "_amount", "type": "uint256" } ], "name": "burn", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "contract ITokenRecipient", "name": "_spender", "type": "address" }, { "internalType": "uint256", "name": "_value", "type": "uint256" }, { "internalType": "bytes", "name": "_extraData", "type": "bytes" } ], "name": "approveAndCall", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.17+commit.d19bba13\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_VendingMachine\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"contract ITokenRecipient\",\"name\":\"_spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"approveAndCall\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"burn\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"_account\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"burnFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"subtractedValue\",\"type\":\"uint256\"}],\"name\":\"decreaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"addedValue\",\"type\":\"uint256\"}],\"name\":\"increaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"_account\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"mint\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Tokens can only be minted by the `VendingMachine` contract.\",\"methods\":{\"allowance(address,address)\":{\"details\":\"See `IERC20.allowance`.\"},\"approve(address,uint256)\":{\"details\":\"See `IERC20.approve`. * Requirements: * - `spender` cannot be the zero address.\"},\"approveAndCall(address,uint256,bytes)\":{\"details\":\"The `_spender` should implement the `ITokenRecipient` interface to receive approval notifications.\",\"params\":{\"_extraData\":\"Extra information to send to the approved contract.\",\"_spender\":\"Address of contract authorized to spend.\",\"_value\":\"The max amount they can spend.\"},\"return\":\"true if the `_spender` was successfully approved and acted on the approval, false (or revert) otherwise.\"},\"balanceOf(address)\":{\"details\":\"See `IERC20.balanceOf`.\"},\"burn(uint256)\":{\"details\":\"Destroys `amount` tokens from `msg.sender`, reducing the total supply.\",\"params\":{\"_amount\":\"The amount of tokens that will be burnt.\"}},\"burnFrom(address,uint256)\":{\"details\":\"Burns an amount of the token from the given account's balance. deducting from the sender's allowance for said account. Uses the internal _burn function.\",\"params\":{\"_account\":\"The account whose tokens will be burnt.\",\"_amount\":\"The amount of tokens that will be burnt.\"}},\"constructor\":{\"details\":\"Constructor, calls ERC20Detailed constructor to set Token info ERC20Detailed(TokenName, TokenSymbol, NumberOfDecimals)\"},\"decimals()\":{\"details\":\"Returns the number of decimals used to get its user representation. For example, if `decimals` equals `2`, a balance of `505` tokens should be displayed to a user as `5,05` (`505 / 10 ** 2`). * Tokens usually opt for a value of 18, imitating the relationship between Ether and Wei. * > Note that this information is only used for _display_ purposes: it in no way affects any of the arithmetic of the contract, including `IERC20.balanceOf` and `IERC20.transfer`.\"},\"decreaseAllowance(address,uint256)\":{\"details\":\"Atomically decreases the allowance granted to `spender` by the caller. * This is an alternative to `approve` that can be used as a mitigation for problems described in `IERC20.approve`. * Emits an `Approval` event indicating the updated allowance. * Requirements: * - `spender` cannot be the zero address. - `spender` must have allowance for the caller of at least `subtractedValue`.\"},\"increaseAllowance(address,uint256)\":{\"details\":\"Atomically increases the allowance granted to `spender` by the caller. * This is an alternative to `approve` that can be used as a mitigation for problems described in `IERC20.approve`. * Emits an `Approval` event indicating the updated allowance. * Requirements: * - `spender` cannot be the zero address.\"},\"mint(address,uint256)\":{\"details\":\"Mints an amount of the token and assigns it to an account. Uses the internal _mint function.\",\"params\":{\"_account\":\"The account that will receive the created tokens.\",\"_amount\":\"The amount of tokens that will be created.\"}},\"name()\":{\"details\":\"Returns the name of the token.\"},\"symbol()\":{\"details\":\"Returns the symbol of the token, usually a shorter version of the name.\"},\"totalSupply()\":{\"details\":\"See `IERC20.totalSupply`.\"},\"transfer(address,uint256)\":{\"details\":\"See `IERC20.transfer`. * Requirements: * - `recipient` cannot be the zero address. - the caller must have a balance of at least `amount`.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"See `IERC20.transferFrom`. * Emits an `Approval` event indicating the updated allowance. This is not required by the EIP. See the note at the beginning of `ERC20`; * Requirements: - `sender` and `recipient` cannot be the zero address. - `sender` must have a balance of at least `value`. - the caller must have allowance for `sender`'s tokens of at least `amount`.\"}},\"title\":\"TBTC Token.\"},\"userdoc\":{\"methods\":{\"approveAndCall(address,uint256,bytes)\":{\"notice\":\"Set allowance for other address and notify. Allows `_spender` to spend no more than `_value` tokens on your behalf and then ping the contract about it.\"}},\"notice\":\"This is the TBTC ERC20 contract.\"}},\"settings\":{\"compilationTarget\":{\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCToken.sol\":\"TBTCToken\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/runner/work/tbtc/tbtc/solidity/contracts/interfaces/ITokenRecipient.sol\":{\"keccak256\":\"0x4ac6830ad44d0b0d70ebabc60150e9c915c7c0bd0129ef868d5d2cd8da0c32bd\",\"urls\":[\"bzz-raw://a5c6465285add41f07a951f90405800a8802e323ea11e9c7bdb5625ce109c7f7\",\"dweb:/ipfs/QmRf7B4WxsS7gbSwUotgQM633BQc2ye7rhYC1RNVFamBfp\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCToken.sol\":{\"keccak256\":\"0x167b07029df8d350996d7f82d853437d1a2562401eeac98037c2eb4c5f295319\",\"urls\":[\"bzz-raw://7d2601ac8dcd5d59b3e479a61262de2162c96ed7ad1cd161331e2e4500b8346a\",\"dweb:/ipfs/QmWVjBSvHFg9W5zsSxgdpNSYKgfLa28fr3mPjjKQaDBxmk\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/VendingMachineAuthority.sol\":{\"keccak256\":\"0x7ad8a2cee5e6bbc187d04b147dc0d2bc2ae12bb8c3680870be9013dd5543bfd6\",\"urls\":[\"bzz-raw://733f2370c788437b0034c40a8df07f4714009769ed8134a9c656e2a103996687\",\"dweb:/ipfs/Qma9LAGQDzyUvsbhLx3FUKRCx3FmnoZuMxG4SUdjLr8bRm\"]},\"openzeppelin-solidity/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x4ccf2d7b51873db1ccfd54ca2adae5eac3b184f9699911ed4490438419f1c690\",\"urls\":[\"bzz-raw://d62d769b2219d5de39013093412623e624fa887f871826ea3bae6052ee893610\",\"dweb:/ipfs/QmV3yVktya1s617QmuzQR2CfuJgUi3dR2xEZY9ecmqZ2G1\"]},\"openzeppelin-solidity/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0x852793a3c2f86d336a683b30d688ec3dcfc57451af5a2bf5975cda3b7191a901\",\"urls\":[\"bzz-raw://4f5b57664069671648fb81f55b0082faecdf1b2f159eec6b1fa6cef9b7d73bc5\",\"dweb:/ipfs/QmcyytaLs7zFdb4Uu7C5PmQRhQdB3wA3fUdkV6mkYfdDFH\"]},\"openzeppelin-solidity/contracts/token/ERC20/ERC20Detailed.sol\":{\"keccak256\":\"0xc61b3603089b09a730d8ca72e9133a496cc4405da40e9b87c12f073245d774bf\",\"urls\":[\"bzz-raw://de8bb0003d53de236913f0e0102e7a9d015e02098f2495edd000f207fe2be2f4\",\"dweb:/ipfs/QmbtwNwAJEehWWL7yGGyyMoenQvcqtz91pqLgQPpLRoLYC\"]},\"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x90e8c2521653bbb1768b05889c5760031e688d9cd361f167489b89215e201b95\",\"urls\":[\"bzz-raw://d0abb99bb8bfc2bc0a89902b8ed1dc0442ad08cc78cee64c291b3df6a27bcccc\",\"dweb:/ipfs/QmP5NaEwZthQeM2ESz4WTT3osrP7jhbvu7ocbttBi2JAw6\"]}},\"version\":1}", 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"source": "pragma solidity 0.5.17;\n\nimport {ERC20} from \"openzeppelin-solidity/contracts/token/ERC20/ERC20.sol\";\nimport {\n ERC20Detailed\n} from \"openzeppelin-solidity/contracts/token/ERC20/ERC20Detailed.sol\";\nimport {VendingMachineAuthority} from \"./VendingMachineAuthority.sol\";\nimport {ITokenRecipient} from \"../interfaces/ITokenRecipient.sol\";\n\n/// @title TBTC Token.\n/// @notice This is the TBTC ERC20 contract.\n/// @dev Tokens can only be minted by the `VendingMachine` contract.\ncontract TBTCToken is ERC20Detailed, ERC20, VendingMachineAuthority {\n /// @dev Constructor, calls ERC20Detailed constructor to set Token info\n /// ERC20Detailed(TokenName, TokenSymbol, NumberOfDecimals)\n constructor(address _VendingMachine)\n public\n ERC20Detailed(\"tBTC\", \"TBTC\", 18)\n VendingMachineAuthority(_VendingMachine)\n {\n // solium-disable-previous-line no-empty-blocks\n }\n\n /// @dev Mints an amount of the token and assigns it to an account.\n /// Uses the internal _mint function.\n /// @param _account The account that will receive the created tokens.\n /// @param _amount The amount of tokens that will be created.\n function mint(address _account, uint256 _amount)\n external\n onlyVendingMachine\n returns (bool)\n {\n // NOTE: this is a public function with unchecked minting. Only the\n // vending machine is allowed to call it, and it is in charge of\n // ensuring minting is permitted.\n _mint(_account, _amount);\n return true;\n }\n\n /// @dev Burns an amount of the token from the given account's balance.\n /// deducting from the sender's allowance for said account.\n /// Uses the internal _burn function.\n /// @param _account The account whose tokens will be burnt.\n /// @param _amount The amount of tokens that will be burnt.\n function burnFrom(address _account, uint256 _amount) external {\n _burnFrom(_account, _amount);\n }\n\n /// @dev Destroys `amount` tokens from `msg.sender`, reducing the\n /// total supply.\n /// @param _amount The amount of tokens that will be burnt.\n function burn(uint256 _amount) external {\n _burn(msg.sender, _amount);\n }\n\n /// @notice Set allowance for other address and notify.\n /// Allows `_spender` to spend no more than `_value`\n /// tokens on your behalf and then ping the contract about\n /// it.\n /// @dev The `_spender` should implement the `ITokenRecipient`\n /// interface to receive approval notifications.\n /// @param _spender Address of contract authorized to spend.\n /// @param _value The max amount they can spend.\n /// @param _extraData Extra information to send to the approved contract.\n /// @return true if the `_spender` was successfully approved and acted on\n /// the approval, false (or revert) otherwise.\n function approveAndCall(\n ITokenRecipient _spender,\n uint256 _value,\n bytes memory _extraData\n ) public returns (bool) {\n // not external to allow bytes memory parameters\n if (approve(address(_spender), _value)) {\n _spender.receiveApproval(\n msg.sender,\n _value,\n address(this),\n _extraData\n );\n return true;\n }\n return false;\n }\n}\n", "sourcePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCToken.sol", "ast": { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCToken.sol", "exportedSymbols": { "TBTCToken": [ 8561 ] }, "id": 8562, "nodeType": "SourceUnit", "nodes": [ { "id": 8452, "literals": [ "solidity", "0.5", ".17" ], "nodeType": "PragmaDirective", "src": "0:23:27" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol", "file": "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol", "id": 8454, "nodeType": "ImportDirective", "scope": 8562, "sourceUnit": 17364, "src": "25:76:27", "symbolAliases": [ { "foreign": 8453, "local": null } ], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/ERC20Detailed.sol", "file": "openzeppelin-solidity/contracts/token/ERC20/ERC20Detailed.sol", "id": 8456, "nodeType": "ImportDirective", "scope": 8562, "sourceUnit": 17422, "src": "102:98:27", "symbolAliases": [ { "foreign": 8455, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/VendingMachineAuthority.sol", "file": "./VendingMachineAuthority.sol", "id": 8458, "nodeType": "ImportDirective", "scope": 8562, "sourceUnit": 9151, "src": "201:70:27", "symbolAliases": [ { "foreign": 8457, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/interfaces/ITokenRecipient.sol", "file": "../interfaces/ITokenRecipient.sol", "id": 8460, "nodeType": "ImportDirective", "scope": 8562, "sourceUnit": 5526, "src": "272:66:27", "symbolAliases": [ { "foreign": 8459, "local": null } ], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 8461, "name": "ERC20Detailed", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 17421, "src": "503:13:27", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20Detailed_$17421", "typeString": "contract ERC20Detailed" } }, "id": 8462, "nodeType": "InheritanceSpecifier", "src": "503:13:27" }, { "arguments": null, "baseName": { "contractScope": null, "id": 8463, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 17363, "src": "518:5:27", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$17363", "typeString": "contract ERC20" } }, "id": 8464, "nodeType": "InheritanceSpecifier", "src": "518:5:27" }, { "arguments": null, "baseName": { "contractScope": null, "id": 8465, "name": "VendingMachineAuthority", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9150, "src": "525:23:27", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachineAuthority_$9150", "typeString": "contract VendingMachineAuthority" } }, "id": 8466, "nodeType": "InheritanceSpecifier", "src": "525:23:27" } ], "contractDependencies": [ 9150, 17363, 17421, 17490 ], "contractKind": "contract", "documentation": "@title TBTC Token.\n @notice This is the TBTC ERC20 contract.\n @dev Tokens can only be minted by the `VendingMachine` contract.", "fullyImplemented": true, "id": 8561, "linearizedBaseContracts": [ 8561, 9150, 17363, 17421, 17490 ], "name": "TBTCToken", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 8479, "nodeType": "Block", "src": "847:63:27", "statements": [] }, "documentation": "@dev Constructor, calls ERC20Detailed constructor to set Token info\n ERC20Detailed(TokenName, TokenSymbol, NumberOfDecimals)", "id": 8480, "implemented": true, "kind": "constructor", "modifiers": [ { "arguments": [ { "argumentTypes": null, "hexValue": "74425443", "id": 8471, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "774:6:27", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_be48a2d9f12f1a3e7f0bb4f9c7ffbcc0d6672b7993cab6f941e6ebaeb2bedc26", "typeString": "literal_string \"tBTC\"" }, "value": "tBTC" }, { "argumentTypes": null, "hexValue": "54425443", "id": 8472, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "782:6:27", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_bd4e6a494fe721b497dd9fef4db5889943de69e7cecd23b2c097f81f747771ec", "typeString": "literal_string \"TBTC\"" }, "value": "TBTC" }, { "argumentTypes": null, "hexValue": "3138", "id": 8473, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "790:2:27", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_18_by_1", "typeString": "int_const 18" }, "value": "18" } ], "id": 8474, "modifierName": { "argumentTypes": null, "id": 8470, "name": "ERC20Detailed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17421, "src": "760:13:27", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20Detailed_$17421_$", "typeString": "type(contract ERC20Detailed)" } }, "nodeType": "ModifierInvocation", "src": "760:33:27" }, { "arguments": [ { "argumentTypes": null, "id": 8476, "name": "_VendingMachine", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8468, "src": "826:15:27", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 8477, "modifierName": { "argumentTypes": null, "id": 8475, "name": "VendingMachineAuthority", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9150, "src": "802:23:27", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_VendingMachineAuthority_$9150_$", "typeString": "type(contract VendingMachineAuthority)" } }, "nodeType": "ModifierInvocation", "src": "802:40:27" } ], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 8469, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8468, "name": "_VendingMachine", "nodeType": "VariableDeclaration", "scope": 8480, "src": "712:23:27", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8467, "name": "address", "nodeType": "ElementaryTypeName", "src": "712:7:27", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "711:25:27" }, "returnParameters": { "id": 8478, "nodeType": "ParameterList", "parameters": [], "src": "847:0:27" }, "scope": 8561, "src": "700:210:27", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 8498, "nodeType": "Block", "src": "1322:253:27", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8492, "name": "_account", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8482, "src": "1529:8:27", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8493, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 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"src": "1234:7:27", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1215:35:27" }, "returnParameters": { "id": 8490, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8489, "name": "", "nodeType": "VariableDeclaration", "scope": 8499, "src": "1312:4:27", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 8488, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1312:4:27", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1311:6:27" }, "scope": 8561, "src": "1202:373:27", "stateMutability": "nonpayable", "superFunction": null, "visibility": "external" }, { "body": { "id": 8511, "nodeType": "Block", "src": "2002:45:27", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { 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"kind": "function", "modifiers": [], "name": "burn", "nodeType": "FunctionDefinition", "parameters": { "id": 8515, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8514, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 8524, "src": "2225:15:27", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8513, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2225:7:27", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2224:17:27" }, "returnParameters": { "id": 8516, "nodeType": "ParameterList", "parameters": [], "src": "2251:0:27" }, "scope": 8561, "src": "2211:83:27", "stateMutability": "nonpayable", "superFunction": null, "visibility": "external" }, { "body": { "id": 8559, "nodeType": "Block", "src": "3189:334:27", "statements": [ { "condition": { 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false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "receiveApproval", "nodeType": "MemberAccess", "referencedDeclaration": 5524, "src": "3310:24:27", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$_t_address_$_t_bytes_memory_ptr_$returns$__$", "typeString": "function (address,uint256,address,bytes memory) external" } }, "id": 8551, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3310:149:27", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8552, "nodeType": "ExpressionStatement", "src": "3310:149:27" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 8553, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "3480:4:27", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 8534, "id": 8554, "nodeType": "Return", "src": "3473:11:27" } ] } }, { "expression": { "argumentTypes": null, "hexValue": "66616c7365", "id": 8557, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "3511:5:27", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "functionReturnParameters": 8534, "id": 8558, "nodeType": "Return", "src": "3504:12:27" } ] }, "documentation": "@notice Set allowance for other address and notify.\n Allows `_spender` to spend no more than `_value`\n tokens on your behalf and then ping the contract about\n it.\n @dev The `_spender` should implement the `ITokenRecipient`\n interface to receive approval notifications.\n @param _spender Address of contract authorized to spend.\n @param _value The max amount they can spend.\n @param _extraData Extra information to send to the approved contract.\n @return true if the `_spender` was successfully approved and acted on\n the approval, false (or revert) otherwise.", "id": 8560, "implemented": true, "kind": "function", "modifiers": [], "name": "approveAndCall", "nodeType": "FunctionDefinition", "parameters": { "id": 8531, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8526, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 8560, "src": "3079:24:27", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ITokenRecipient_$5525", "typeString": "contract ITokenRecipient" }, "typeName": { "contractScope": null, "id": 8525, "name": "ITokenRecipient", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5525, "src": "3079:15:27", "typeDescriptions": { "typeIdentifier": "t_contract$_ITokenRecipient_$5525", "typeString": "contract ITokenRecipient" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8528, "name": "_value", "nodeType": "VariableDeclaration", "scope": 8560, "src": "3113:14:27", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8527, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3113:7:27", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8530, "name": "_extraData", "nodeType": "VariableDeclaration", "scope": 8560, "src": "3137:23:27", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 8529, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3137:5:27", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3069:97:27" }, "returnParameters": { "id": 8534, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8533, "name": "", "nodeType": "VariableDeclaration", "scope": 8560, "src": "3183:4:27", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 8532, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3183:4:27", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3182:6:27" }, "scope": 8561, "src": "3046:477:27", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 8562, "src": "481:3044:27" } ], "src": "0:3526:27" }, "legacyAST": { "attributes": { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCToken.sol", "exportedSymbols": { "TBTCToken": [ 8561 ] } }, "children": [ { "attributes": { 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`VendingMachine` contract.", "methods": { "allowance(address,address)": { "details": "See `IERC20.allowance`." }, "approve(address,uint256)": { "details": "See `IERC20.approve`. * Requirements: * - `spender` cannot be the zero address." }, "approveAndCall(address,uint256,bytes)": { "details": "The `_spender` should implement the `ITokenRecipient` interface to receive approval notifications.", "params": { "_extraData": "Extra information to send to the approved contract.", "_spender": "Address of contract authorized to spend.", "_value": "The max amount they can spend." }, "return": "true if the `_spender` was successfully approved and acted on the approval, false (or revert) otherwise." }, "balanceOf(address)": { "details": "See `IERC20.balanceOf`." }, "burn(uint256)": { "details": "Destroys `amount` tokens from `msg.sender`, reducing the total supply.", "params": { "_amount": "The amount of tokens that will be burnt." } }, "burnFrom(address,uint256)": { "details": "Burns an amount of the token from the given account's balance. deducting from the sender's allowance for said account. Uses the internal _burn function.", "params": { "_account": "The account whose tokens will be burnt.", "_amount": "The amount of tokens that will be burnt." } }, "constructor": { "details": "Constructor, calls ERC20Detailed constructor to set Token info ERC20Detailed(TokenName, TokenSymbol, NumberOfDecimals)" }, "decimals()": { "details": "Returns the number of decimals used to get its user representation. For example, if `decimals` equals `2`, a balance of `505` tokens should be displayed to a user as `5,05` (`505 / 10 ** 2`). * Tokens usually opt for a value of 18, imitating the relationship between Ether and Wei. * > Note that this information is only used for _display_ purposes: it in no way affects any of the arithmetic of the contract, including `IERC20.balanceOf` and `IERC20.transfer`." }, "decreaseAllowance(address,uint256)": { "details": "Atomically decreases the allowance granted to `spender` by the caller. * This is an alternative to `approve` that can be used as a mitigation for problems described in `IERC20.approve`. * Emits an `Approval` event indicating the updated allowance. * Requirements: * - `spender` cannot be the zero address. - `spender` must have allowance for the caller of at least `subtractedValue`." }, "increaseAllowance(address,uint256)": { "details": "Atomically increases the allowance granted to `spender` by the caller. * This is an alternative to `approve` that can be used as a mitigation for problems described in `IERC20.approve`. * Emits an `Approval` event indicating the updated allowance. * Requirements: * - `spender` cannot be the zero address." }, "mint(address,uint256)": { "details": "Mints an amount of the token and assigns it to an account. Uses the internal _mint function.", "params": { "_account": "The account that will receive the created tokens.", "_amount": "The amount of tokens that will be created." } }, "name()": { "details": "Returns the name of the token." }, "symbol()": { "details": "Returns the symbol of the token, usually a shorter version of the name." }, "totalSupply()": { "details": "See `IERC20.totalSupply`." }, "transfer(address,uint256)": { "details": "See `IERC20.transfer`. * Requirements: * - `recipient` cannot be the zero address. - the caller must have a balance of at least `amount`." }, "transferFrom(address,address,uint256)": { "details": "See `IERC20.transferFrom`. * Emits an `Approval` event indicating the updated allowance. This is not required by the EIP. See the note at the beginning of `ERC20`; * Requirements: - `sender` and `recipient` cannot be the zero address. - `sender` must have a balance of at least `value`. - the caller must have allowance for `sender`'s tokens of at least `amount`." } }, "title": "TBTC Token." }, "userdoc": { "methods": { "approveAndCall(address,uint256,bytes)": { "notice": "Set allowance for other address and notify. Allows `_spender` to spend no more than `_value` tokens on your behalf and then ping the contract about it." } }, "notice": "This is the TBTC ERC20 contract." } }