{ "contractName": "FundingScript", "abi": [ { "inputs": [ { "internalType": "address", "name": "_VendingMachine", "type": "address" }, { "internalType": "address", "name": "_TBTCToken", "type": "address" }, { "internalType": "address", "name": "_TBTCDepositToken", "type": "address" }, { "internalType": "address", "name": "_FeeRebateToken", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "_from", "type": "address" }, { "internalType": "uint256", "name": "_tokenId", "type": "uint256" }, { "internalType": "address", "name": "", "type": "address" }, { "internalType": "bytes", "name": "_extraData", "type": "bytes" } ], "name": "receiveApproval", "outputs": [], "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\"},{\"internalType\":\"address\",\"name\":\"_TBTCToken\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_TBTCDepositToken\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_FeeRebateToken\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"receiveApproval\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Wrapper script for VendingMachine.unqualifiedDepositToTbtc This contract implements receiveApproval() and can therefore use approveAndCall(). This pattern combines TBTC Token approval and vendingMachine.unqualifiedDepositToTbtc() in a single transaction.\",\"methods\":{\"receiveApproval(address,uint256,address,bytes)\":{\"details\":\"Implements the approveAndCall receiver interface.\",\"params\":{\"_extraData\":\"Encoded function call to `VendingMachine.unqualifiedDepositToTbtc`.\",\"_from\":\"The owner of the token who approved them for transfer.\",\"_tokenId\":\"Approved TDT for the transfer.\"}}}},\"userdoc\":{\"methods\":{\"receiveApproval(address,uint256,address,bytes)\":{\"notice\":\"Receives approval for a TDT transfer, and calls `VendingMachine.unqualifiedDepositToTbtc` for a user.\"}},\"notice\":\"A one-click script for minting TBTC from an unqualified TDT.\"}},\"settings\":{\"compilationTarget\":{\"/home/runner/work/tbtc/tbtc/solidity/contracts/scripts/FundingScript.sol\":\"FundingScript\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/runner/work/tbtc/tbtc/solidity/contracts/DepositLog.sol\":{\"keccak256\":\"0xd2422abaf64bf2d28f4c0548bc31c3d0e4c5f3e4414486c149b773bea0c9db0a\",\"urls\":[\"bzz-raw://c4b0e3caea108ce67da5922906753dc1a1f87cee923e7c32260239150f2152bb\",\"dweb:/ipfs/QmcHcftf4M6ZyuFG725QiFGHuAtz6zDQZ9HCEaoP5Wb6Fd\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/Deposit.sol\":{\"keccak256\":\"0x4e25c6bfe874c5254659e99b5d87ad0bd6299468106c8f955e973a0431367dec\",\"urls\":[\"bzz-raw://c54c7e956fee91813946745f23d11062a9dd2c07d916979871f7468509295de4\",\"dweb:/ipfs/QmQ1qFjzq9uY7SmdUqzwNM7z8AAnCbji2joqkJYJSBaJyW\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositFunding.sol\":{\"keccak256\":\"0xe223f4e039e347d3eec8eea8d30d6f87f25ab3f8839e96b5da608c6a012db2c2\",\"urls\":[\"bzz-raw://48435948a4b232a3c610f7ac51e5c87a27aa10f92775bc95cd2068dd07b69a70\",\"dweb:/ipfs/Qmd7PeN1uovU8BqyrPuLkKf4U1DENt9S7hFr6G5cXFamim\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositLiquidation.sol\":{\"keccak256\":\"0x6ec98705ac0cfc20f2e94069ba88c74816c40283c47b3086cf619b69d8a15379\",\"urls\":[\"bzz-raw://981e7e1ababfe4bb7bb35251679f59d188348c416af29822794011a0e48f2cd3\",\"dweb:/ipfs/QmTpPQCYP3qzKdcMBLBZGRSM2X6rgR1CZmYDQ7SHP4pjrb\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositRedemption.sol\":{\"keccak256\":\"0xe40c0cbb443715c4f587b78f568348276fabae9a2f77645596367a1f65b1fae5\",\"urls\":[\"bzz-raw://310d07df39ad769b5ffca044a1a589686268d72ac36d568360da3a4a9ab16f93\",\"dweb:/ipfs/QmT9stQ2AVkF7i9nvDSTswhD6EkfNHVCtTmRENsVqYxwso\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositStates.sol\":{\"keccak256\":\"0x0b407fe4cfa56771c7cb0280e58c23e6c79089bb0f39ec9af83855103cfadce0\",\"urls\":[\"bzz-raw://b06c9ff8c10125cd7dcee7167fd081c95248c97c699a4dfc92bf65d68774f5f1\",\"dweb:/ipfs/QmcdTkj1XtJcPhF9pxr56xV4DW3SxGaaiE5PeGxbYVoHL3\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositUtils.sol\":{\"keccak256\":\"0xc18e532fc384f45567abcf7fbe7bccb885308d63ffeed41d9cf845573a289b98\",\"urls\":[\"bzz-raw://7250e8fce13326313e64d2f24e093bd51c9fdba939b8370f64a1fe820814275b\",\"dweb:/ipfs/QmVfX5w4xN6gxoqbdgPeeTbBvFtxxaNYWSknSY7JDtve2b\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/OutsourceDepositLogging.sol\":{\"keccak256\":\"0x8bddca84b4106ea5d865b5e19c0d49f3dc94a7e614c7403ae05074eda01d6ee9\",\"urls\":[\"bzz-raw://65b05f6e04ae46a16194db335ad21dd806d0b07ad571a126b6981896890c8a4c\",\"dweb:/ipfs/QmTF4RgELhXX7pooNKwW8qNY7Sr7dFY7vfueApjTMa99jt\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/interfaces/ITBTCSystem.sol\":{\"keccak256\":\"0xd8530ab1baddbdfbba6c1b03e547375afe79493b9948d645f94fc0da12ec953b\",\"urls\":[\"bzz-raw://713285a0a4d865a37f3770ce848c20f7277e1540c0a8aa43c2ae0966a7c3df9a\",\"dweb:/ipfs/QmaPiXxvySt9UDmQtVGidh8TQ4XJdxY2X61rEBd8346ELi\"]},\"/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/scripts/FundingScript.sol\":{\"keccak256\":\"0x7c6d90d97856a23bfe8c230718a72d94abec5f2dc47b6e4884588196dfe303ea\",\"urls\":[\"bzz-raw://e0cc2e02bdae0b26f708b757afc8dc21890acb4be179ba4b8ebeedc4d0455df8\",\"dweb:/ipfs/QmTajnmqtmS1bD7YWA5j6mqajWTkX79zWwRfzyiduwewQN\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/DepositFactoryAuthority.sol\":{\"keccak256\":\"0xd8e81ec58dea6a6bcc554e8c7e6c58898ab11a410c3f61224330cbe833992add\",\"urls\":[\"bzz-raw://9d2b23cf1e2f98eb77acf6ae62933e48494113e1d6091146459fd79a635f1dcf\",\"dweb:/ipfs/QmPK3nTmcrScDavDSXGHvonhfik3BJ55qhwSnUmhzL5QUE\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/FeeRebateToken.sol\":{\"keccak256\":\"0x3d9980b4b18be7e69364b93581d86d08dd2c66fc76b2f9f0af0b4911dc648318\",\"urls\":[\"bzz-raw://751dae1cd68c285a22b513d515074eb6704e11e00ba8196f360d47dc8551dd86\",\"dweb:/ipfs/QmRe5u8bjSd2CMvjgWMzpeea3VdcqEGwAP91zvjxgur8o8\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCConstants.sol\":{\"keccak256\":\"0x74833fb25cf9f24716d563c8fad0fd6172d03577dc85ab4271ca4754285ee915\",\"urls\":[\"bzz-raw://62d37b71546ea52f0c86170b588b021a488785e8570f904f0d2bcfecee93f6a7\",\"dweb:/ipfs/QmePuD631VYpEproKbap8cPXmWeb5mYjU6bwEWnxKCVWbz\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCDepositToken.sol\":{\"keccak256\":\"0xd9238bbd83f5352706426103a0708ad7c00ffbd90340a4b3bab03d2c5371e48b\",\"urls\":[\"bzz-raw://f1fc94f00aeabd49bd0f8ecf372213e83c949454c28fa672a46dd12d9a0b4311\",\"dweb:/ipfs/QmaCzqi2g4GSvzHDDES61FauDmdT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"source": "pragma solidity 0.5.17;\n\nimport {ITokenRecipient} from \"../interfaces/ITokenRecipient.sol\";\nimport {TBTCDepositToken} from \"../system/TBTCDepositToken.sol\";\nimport {TBTCToken} from \"../system/TBTCToken.sol\";\nimport {FeeRebateToken} from \"../system/FeeRebateToken.sol\";\nimport {VendingMachine} from \"../system/VendingMachine.sol\";\n\n/// @notice A one-click script for minting TBTC from an unqualified TDT.\n/// @dev Wrapper script for VendingMachine.unqualifiedDepositToTbtc\n/// This contract implements receiveApproval() and can therefore use\n/// approveAndCall(). This pattern combines TBTC Token approval and\n/// vendingMachine.unqualifiedDepositToTbtc() in a single transaction.\ncontract FundingScript is ITokenRecipient {\n TBTCToken tbtcToken;\n VendingMachine vendingMachine;\n TBTCDepositToken tbtcDepositToken;\n FeeRebateToken feeRebateToken;\n\n constructor(\n address _VendingMachine,\n address _TBTCToken,\n address _TBTCDepositToken,\n address _FeeRebateToken\n ) public {\n vendingMachine = VendingMachine(_VendingMachine);\n tbtcToken = TBTCToken(_TBTCToken);\n tbtcDepositToken = TBTCDepositToken(_TBTCDepositToken);\n feeRebateToken = FeeRebateToken(_FeeRebateToken);\n }\n\n /// @notice Receives approval for a TDT transfer, and calls `VendingMachine.unqualifiedDepositToTbtc` for a user.\n /// @dev Implements the approveAndCall receiver interface.\n /// @param _from The owner of the token who approved them for transfer.\n /// @param _tokenId Approved TDT for the transfer.\n /// @param _extraData Encoded function call to `VendingMachine.unqualifiedDepositToTbtc`.\n function receiveApproval(\n address _from,\n uint256 _tokenId,\n address,\n bytes memory _extraData\n ) public {\n // not external to allow bytes memory parameters\n require(\n msg.sender == address(tbtcDepositToken),\n \"Only token contract can call receiveApproval\"\n );\n\n tbtcDepositToken.transferFrom(_from, address(this), _tokenId);\n tbtcDepositToken.approve(address(vendingMachine), _tokenId);\n\n // Verify _extraData is a call to unqualifiedDepositToTbtc.\n bytes4 functionSignature;\n assembly {\n functionSignature := and(mload(add(_extraData, 0x20)), not(0xff))\n }\n require(\n functionSignature ==\n vendingMachine.unqualifiedDepositToTbtc.selector,\n \"Bad _extraData signature. Call must be to unqualifiedDepositToTbtc.\"\n );\n\n // Call the VendingMachine.\n // We could explictly encode the call to vending machine, but this would\n // involve manually parsing _extraData and allocating variables.\n // We capture the `returnData` in order to forward any nested revert message\n // from the contract call.\n /* solium-disable-next-line security/no-low-level-calls */\n (bool success, bytes memory returnData) =\n address(vendingMachine).call(_extraData);\n\n string memory revertMessage;\n assembly {\n // A revert message is ABI-encoded as a call to Error(string).\n // Slicing the Error() signature (4 bytes) and Data offset (4 bytes)\n // leaves us with a pre-encoded string.\n // We also slice off the ABI-coded length of returnData (32).\n revertMessage := add(returnData, 0x44)\n }\n\n require(success, revertMessage);\n\n // Transfer the TBTC and feeRebateToken to the user.\n tbtcToken.transfer(_from, tbtcToken.balanceOf(address(this)));\n feeRebateToken.transferFrom(address(this), _from, uint256(_tokenId));\n }\n}\n", "sourcePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/scripts/FundingScript.sol", "ast": { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/scripts/FundingScript.sol", "exportedSymbols": { "FundingScript": [ 6067 ] }, "id": 6068, "nodeType": "SourceUnit", "nodes": [ { "id": 5912, "literals": [ "solidity", "0.5", ".17" ], "nodeType": "PragmaDirective", "src": "0:23:16" }, { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/interfaces/ITokenRecipient.sol", "file": "../interfaces/ITokenRecipient.sol", "id": 5914, "nodeType": "ImportDirective", "scope": 6068, "sourceUnit": 5526, "src": "25:66:16", "symbolAliases": [ { "foreign": 5913, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCDepositToken.sol", "file": "../system/TBTCDepositToken.sol", "id": 5916, "nodeType": "ImportDirective", "scope": 6068, "sourceUnit": 6845, "src": "92:64:16", "symbolAliases": [ { "foreign": 5915, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCToken.sol", "file": "../system/TBTCToken.sol", "id": 5918, "nodeType": "ImportDirective", "scope": 6068, "sourceUnit": 8562, "src": "157:50:16", "symbolAliases": [ { "foreign": 5917, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/FeeRebateToken.sol", "file": "../system/FeeRebateToken.sol", "id": 5920, "nodeType": "ImportDirective", "scope": 6068, "sourceUnit": 6301, "src": "208:60:16", "symbolAliases": [ { "foreign": 5919, "local": null } ], "unitAlias": "" }, { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/VendingMachine.sol", "file": "../system/VendingMachine.sol", "id": 5922, "nodeType": "ImportDirective", "scope": 6068, "sourceUnit": 9124, "src": "269:60:16", "symbolAliases": [ { "foreign": 5921, "local": null } ], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 5923, "name": "ITokenRecipient", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5525, "src": "706:15:16", "typeDescriptions": { "typeIdentifier": "t_contract$_ITokenRecipient_$5525", "typeString": "contract ITokenRecipient" } }, "id": 5924, "nodeType": "InheritanceSpecifier", "src": "706:15:16" } ], "contractDependencies": [ 5525 ], "contractKind": "contract", "documentation": "@notice A one-click script for minting TBTC from an unqualified TDT.\n @dev Wrapper script for VendingMachine.unqualifiedDepositToTbtc\n This contract implements receiveApproval() and can therefore use\n approveAndCall(). This pattern combines TBTC Token approval and\n vendingMachine.unqualifiedDepositToTbtc() in a single transaction.", "fullyImplemented": true, "id": 6067, "linearizedBaseContracts": [ 6067, 5525 ], "name": "FundingScript", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 5926, "name": "tbtcToken", "nodeType": "VariableDeclaration", "scope": 6067, "src": "728:19:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" }, "typeName": { "contractScope": null, "id": 5925, "name": "TBTCToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 8561, "src": "728:9:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5928, "name": "vendingMachine", "nodeType": "VariableDeclaration", "scope": 6067, "src": "753:29:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" }, "typeName": { "contractScope": null, "id": 5927, "name": "VendingMachine", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9123, "src": "753:14:16", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5930, "name": "tbtcDepositToken", "nodeType": "VariableDeclaration", "scope": 6067, "src": "788:33:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" }, "typeName": { "contractScope": null, "id": 5929, "name": "TBTCDepositToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6844, "src": "788:16:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5932, "name": "feeRebateToken", "nodeType": "VariableDeclaration", "scope": 6067, "src": "827:29:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" }, "typeName": { "contractScope": null, "id": 5931, "name": "FeeRebateToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6300, "src": "827:14:16", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" } }, "value": null, "visibility": "internal" }, { "body": { "id": 5967, "nodeType": "Block", "src": "1017:230:16", "statements": [ { "expression": { "argumentTypes": null, "id": 5947, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 5943, "name": "vendingMachine", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5928, "src": "1027:14:16", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5945, "name": "_VendingMachine", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5934, "src": "1059:15:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 5944, "name": "VendingMachine", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9123, "src": "1044:14:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_VendingMachine_$9123_$", "typeString": "type(contract VendingMachine)" } }, "id": 5946, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1044:31:16", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } }, "src": "1027:48:16", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } }, "id": 5948, "nodeType": "ExpressionStatement", "src": "1027:48:16" }, { "expression": { "argumentTypes": null, "id": 5953, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 5949, "name": "tbtcToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5926, "src": "1085:9:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5951, "name": "_TBTCToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5936, "src": "1107:10:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 5950, "name": "TBTCToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8561, "src": "1097:9:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_TBTCToken_$8561_$", "typeString": "type(contract TBTCToken)" } }, "id": 5952, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1097:21:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "src": "1085:33:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "id": 5954, "nodeType": "ExpressionStatement", "src": "1085:33:16" }, { "expression": { "argumentTypes": null, "id": 5959, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 5955, "name": "tbtcDepositToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5930, "src": "1128:16:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5957, "name": "_TBTCDepositToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5938, "src": "1164:17:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 5956, "name": "TBTCDepositToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6844, "src": "1147:16:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_TBTCDepositToken_$6844_$", "typeString": "type(contract TBTCDepositToken)" } }, "id": 5958, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1147:35:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" } }, "src": "1128:54:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" } }, "id": 5960, "nodeType": "ExpressionStatement", "src": "1128:54:16" }, { "expression": { "argumentTypes": null, "id": 5965, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 5961, "name": "feeRebateToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5932, "src": "1192:14:16", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5963, "name": "_FeeRebateToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5940, "src": "1224:15:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 5962, "name": "FeeRebateToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6300, "src": "1209:14:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_FeeRebateToken_$6300_$", "typeString": "type(contract FeeRebateToken)" } }, "id": 5964, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1209:31:16", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" } }, "src": "1192:48:16", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" } }, "id": 5966, "nodeType": "ExpressionStatement", "src": "1192:48:16" } ] }, "documentation": null, "id": 5968, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 5941, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 5934, "name": "_VendingMachine", "nodeType": "VariableDeclaration", "scope": 5968, "src": "884:23:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5933, "name": "address", "nodeType": "ElementaryTypeName", "src": "884:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5936, "name": "_TBTCToken", "nodeType": "VariableDeclaration", "scope": 5968, "src": "917:18:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5935, "name": "address", "nodeType": "ElementaryTypeName", "src": "917:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5938, "name": "_TBTCDepositToken", "nodeType": "VariableDeclaration", "scope": 5968, "src": "945:25:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5937, "name": "address", "nodeType": "ElementaryTypeName", "src": "945:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5940, "name": "_FeeRebateToken", "nodeType": "VariableDeclaration", "scope": 5968, "src": "980:23:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5939, "name": "address", "nodeType": "ElementaryTypeName", "src": "980:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "874:135:16" }, "returnParameters": { "id": 5942, "nodeType": "ParameterList", "parameters": [], "src": "1017:0:16" }, "scope": 6067, "src": "863:384:16", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 6065, "nodeType": "Block", "src": "1796:1899:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 5985, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 5980, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18360, "src": "1884:3:16", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 5981, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1884:10:16", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5983, "name": "tbtcDepositToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5930, "src": "1906:16:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" } ], "id": 5982, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1898:7:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 5984, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1898:25:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1884:39:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f6e6c7920746f6b656e20636f6e74726163742063616e2063616c6c2072656365697665417070726f76616c", "id": 5986, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1937:46:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_5ad58abfd7682657d2caeadc3413ef383abfb8158a9ea3126c46a6e085548c17", "typeString": "literal_string \"Only token contract can call receiveApproval\"" }, "value": "Only token contract can call receiveApproval" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_5ad58abfd7682657d2caeadc3413ef383abfb8158a9ea3126c46a6e085548c17", "typeString": "literal_string \"Only token contract can call receiveApproval\"" } ], "id": 5979, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 18363, 18364 ], "referencedDeclaration": 18364, "src": "1863:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 5987, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1863:130:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 5988, "nodeType": "ExpressionStatement", "src": "1863:130:16" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5992, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5970, "src": "2034:5:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 5994, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18480, "src": "2049:4:16", "typeDescriptions": { "typeIdentifier": "t_contract$_FundingScript_$6067", "typeString": "contract FundingScript" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_FundingScript_$6067", "typeString": "contract FundingScript" } ], "id": 5993, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2041:7:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 5995, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2041:13:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 5996, "name": "_tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5972, "src": "2056:8:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 5989, "name": "tbtcDepositToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5930, "src": "2004:16:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" } }, "id": 5991, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 17730, "src": "2004:29:16", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256) external" } }, "id": 5997, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2004:61:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 5998, "nodeType": "ExpressionStatement", "src": "2004:61:16" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6003, "name": "vendingMachine", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5928, "src": "2108:14:16", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } ], "id": 6002, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2100:7:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6004, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2100:23:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6005, "name": "_tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5972, "src": "2125:8:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 5999, "name": "tbtcDepositToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5930, "src": "2075:16:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCDepositToken_$6844", "typeString": "contract TBTCDepositToken" } }, "id": 6001, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "approve", "nodeType": "MemberAccess", "referencedDeclaration": 17638, "src": "2075:24:16", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256) external" } }, "id": 6006, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2075:59:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6007, "nodeType": "ExpressionStatement", "src": "2075:59:16" }, { "assignments": [ 6009 ], "declarations": [ { "constant": false, "id": 6009, "name": "functionSignature", "nodeType": "VariableDeclaration", "scope": 6065, "src": "2213:24:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 6008, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "2213:6:16", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "value": null, "visibility": "internal" } ], "id": 6010, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "2213:24:16" }, { "externalReferences": [ { "functionSignature": { "declaration": 6009, "isOffset": false, "isSlot": false, "src": "2270:17:16", "valueSize": 1 } }, { "_extraData": { "declaration": 5976, "isOffset": false, "isSlot": false, "src": "2305:10:16", "valueSize": 1 } } ], "id": 6011, "nodeType": "InlineAssembly", "operations": "{\n functionSignature := and(mload(add(_extraData, 0x20)), not(0xff))\n}", "src": "2247:98:16" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 6017, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6013, "name": "functionSignature", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6009, "src": "2375:17:16", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6014, "name": "vendingMachine", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5928, "src": "2412:14:16", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } }, "id": 6015, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "unqualifiedDepositToTbtc", "nodeType": "MemberAccess", "referencedDeclaration": 9037, "src": "2412:39:16", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_payable_$_t_bytes4_$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$_t_bytes4_$_t_uint8_$_t_bytes_memory_ptr_$_t_uint256_$_t_bytes_memory_ptr_$returns$__$", "typeString": "function (address payable,bytes4,bytes memory,bytes memory,bytes4,uint8,bytes memory,uint256,bytes memory) external" } }, "id": 6016, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "selector", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2412:48:16", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "src": "2375:85:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "426164205f657874726144617461207369676e61747572652e2043616c6c206d75737420626520746f20756e7175616c69666965644465706f736974546f546274632e", "id": 6018, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2474:69:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_e8f1c139815d3d9bf053c98f56100988406f5cdd24f501fa26a57cf3f27c6dd3", "typeString": "literal_string \"Bad _extraData signature. Call must be to unqualifiedDepositToTbtc.\"" }, "value": "Bad _extraData signature. Call must be to unqualifiedDepositToTbtc." } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_e8f1c139815d3d9bf053c98f56100988406f5cdd24f501fa26a57cf3f27c6dd3", "typeString": "literal_string \"Bad _extraData signature. Call must be to unqualifiedDepositToTbtc.\"" } ], "id": 6012, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 18363, 18364 ], "referencedDeclaration": 18364, "src": "2354:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6019, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2354:199:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6020, "nodeType": "ExpressionStatement", "src": "2354:199:16" }, { "assignments": [ 6022, 6024 ], "declarations": [ { "constant": false, "id": 6022, "name": "success", "nodeType": "VariableDeclaration", "scope": 6065, "src": "2942:12:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6021, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2942:4:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6024, "name": "returnData", "nodeType": "VariableDeclaration", "scope": 6065, "src": "2956:23:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6023, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "2956:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 6031, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6029, "name": "_extraData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5976, "src": "3024:10:16", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6026, "name": "vendingMachine", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5928, "src": "3003:14:16", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_VendingMachine_$9123", "typeString": "contract VendingMachine" } ], "id": 6025, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2995:7:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6027, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2995:23:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 6028, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "call", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2995:28:16", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 6030, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2995:40:16", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "2941:94:16" }, { "assignments": [ 6033 ], "declarations": [ { "constant": false, "id": 6033, "name": "revertMessage", "nodeType": "VariableDeclaration", "scope": 6065, "src": "3046:27:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 6032, "name": "string", "nodeType": "ElementaryTypeName", "src": "3046:6:16", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "id": 6034, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "3046:27:16" }, { "externalReferences": [ { "revertMessage": { "declaration": 6033, "isOffset": false, "isSlot": false, "src": "3388:13:16", "valueSize": 1 } }, { "returnData": { "declaration": 6024, "isOffset": false, "isSlot": false, "src": "3409:10:16", "valueSize": 1 } } ], "id": 6035, "nodeType": "InlineAssembly", "operations": "{\n revertMessage := add(returnData, 0x44)\n}", "src": "3083:353:16" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6037, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6022, "src": "3454:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "id": 6038, "name": "revertMessage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6033, "src": "3463:13:16", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 6036, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 18363, 18364 ], "referencedDeclaration": 18364, "src": "3446:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6039, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3446:31:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6040, "nodeType": "ExpressionStatement", "src": "3446:31:16" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6044, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5970, "src": "3568:5:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6048, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18480, "src": "3603:4:16", "typeDescriptions": { "typeIdentifier": "t_contract$_FundingScript_$6067", "typeString": "contract FundingScript" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_FundingScript_$6067", "typeString": "contract FundingScript" } ], "id": 6047, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "3595:7:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6049, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3595:13:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 6045, "name": "tbtcToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5926, "src": "3575:9:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "id": 6046, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 17007, "src": "3575:19:16", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 6050, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3575:34:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6041, "name": "tbtcToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5926, "src": "3549:9:16", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "id": 6043, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transfer", "nodeType": "MemberAccess", "referencedDeclaration": 17026, "src": "3549:18:16", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 6051, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3549:61:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 6052, "nodeType": "ExpressionStatement", "src": "3549:61:16" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6057, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18480, "src": "3656:4:16", "typeDescriptions": { "typeIdentifier": "t_contract$_FundingScript_$6067", "typeString": "contract FundingScript" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_FundingScript_$6067", "typeString": "contract FundingScript" } ], "id": 6056, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "3648:7:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6058, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3648:13:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6059, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5970, "src": "3663:5:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6061, "name": "_tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5972, "src": "3678:8:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 6060, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "3670:7:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 6062, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3670:17:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 6053, "name": "feeRebateToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5932, "src": "3620:14:16", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" } }, "id": 6055, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 17730, "src": "3620:27:16", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256) external" } }, "id": 6063, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3620:68:16", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6064, "nodeType": "ExpressionStatement", "src": "3620:68:16" } ] }, "documentation": "@notice Receives approval for a TDT transfer, and calls `VendingMachine.unqualifiedDepositToTbtc` for a user.\n @dev Implements the approveAndCall receiver interface.\n @param _from The owner of the token who approved them for transfer.\n @param _tokenId Approved TDT for the transfer.\n @param _extraData Encoded function call to `VendingMachine.unqualifiedDepositToTbtc`.", "id": 6066, "implemented": true, "kind": "function", "modifiers": [], "name": 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