{ "contractName": "TestForwarderTarget", "abi": [ { "inputs": [ { "internalType": "address", "name": "forwarder", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "string", "name": "message", "type": "string" } ], "name": "Reverting", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "string", "name": "message", "type": "string" }, { "indexed": false, "internalType": "bytes", "name": "realMsgData", "type": "bytes" }, { "indexed": false, "internalType": "address", "name": "realSender", "type": "address" }, { "indexed": false, "internalType": "address", "name": "msgSender", "type": "address" }, { "indexed": false, "internalType": "address", "name": "origin", "type": "address" } ], "name": "TestForwarderMessage", "type": "event" }, { "inputs": [], "name": "getTrustedForwarder", "outputs": [ { "internalType": "address", "name": "forwarder", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "forwarder", "type": "address" } ], "name": "isTrustedForwarder", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "stateMutability": "payable", "type": "receive" }, { "inputs": [ { "internalType": "string", "name": "message", "type": "string" } ], "name": "emitMessage", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "publicMsgSender", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "publicMsgData", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "value", "type": "uint256" } ], "name": "mustReceiveEth", "outputs": [], 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address of the Forwarder contract that is being used.\"}},\"isTrustedForwarder(address)\":{\"params\":{\"forwarder\":\"The address of the Forwarder contract that is being used.\"},\"returns\":{\"_0\":\"isTrustedForwarder `true` if the Forwarder is trusted to forward relayed transactions by this Recipient.\"}}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"getTrustedForwarder()\":{\"notice\":\":warning: **Warning** :warning: The Forwarder can have a full control over your Recipient. Only trust verified Forwarder.Method is not a required method to allow Recipients to trust multiple Forwarders. Not recommended yet.\"},\"isTrustedForwarder(address)\":{\"notice\":\":warning: **Warning** :warning: The Forwarder can have a full control over your Recipient. 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"source": "pragma solidity ^0.8.0;\n\n// SPDX-License-Identifier: GPL-3.0-only\n\nimport \"../../ERC2771Recipient.sol\";\n\ncontract TestForwarderTarget is ERC2771Recipient {\n\n constructor(address forwarder) {\n _setTrustedForwarder(forwarder);\n }\n\n // solhint-disable-next-line no-empty-blocks\n receive() external payable {}\n\n event TestForwarderMessage(string message, bytes realMsgData, address realSender, address msgSender, address origin);\n\n function emitMessage(string memory message) public {\n\n // solhint-disable-next-line avoid-tx-origin\n emit TestForwarderMessage(message, _msgData(), _msgSender(), msg.sender, tx.origin);\n }\n\n function publicMsgSender() public view returns (address) {\n return _msgSender();\n }\n\n function publicMsgData() public view returns (bytes memory) {\n return _msgData();\n }\n\n function mustReceiveEth(uint256 value) public payable {\n require( msg.value == value, \"didn't receive value\");\n }\n\n event Reverting(string message);\n\n function testRevert() public {\n require(address(this) == address(0), \"always fail\");\n emit Reverting(\"if you see this revert failed...\");\n }\n}", "sourcePath": "/Users/alexf/gsn2/packages/contracts/solpp/forwarder/test/TestForwarderTarget.sol", "ast": { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/forwarder/test/TestForwarderTarget.sol", "exportedSymbols": { "ERC2771Recipient": [ 500 ], "IERC2771Recipient": [ 5374 ], "TestForwarderTarget": [ 5332 ] }, "id": 5333, "license": "GPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 5227, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:11" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/ERC2771Recipient.sol", "file": "../../ERC2771Recipient.sol", "id": 5228, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 5333, "sourceUnit": 501, "src": "67:36:11", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 5229, "name": "ERC2771Recipient", "nodeType": "IdentifierPath", "referencedDeclaration": 500, "src": "137:16:11" }, "id": 5230, "nodeType": "InheritanceSpecifier", "src": "137:16:11" } ], "contractDependencies": [], "contractKind": "contract", "fullyImplemented": true, "id": 5332, "linearizedBaseContracts": [ 5332, 500, 5374 ], "name": "TestForwarderTarget", "nameLocation": "114:19:11", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 5239, "nodeType": "Block", "src": "192:48:11", "statements": [ { "expression": { "arguments": [ { "id": 5236, "name": "forwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5232, "src": "223:9:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 5235, "name": "_setTrustedForwarder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 424, "src": "202:20:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 5237, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "202:31:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 5238, "nodeType": "ExpressionStatement", "src": "202:31:11" } ] }, "id": 5240, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nameLocation": "-1:-1:-1", "nodeType": "FunctionDefinition", "parameters": { "id": 5233, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 5232, "mutability": "mutable", "name": "forwarder", "nameLocation": "181:9:11", "nodeType": "VariableDeclaration", "scope": 5240, "src": "173:17:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5231, "name": "address", "nodeType": "ElementaryTypeName", "src": "173:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "172:19:11" }, "returnParameters": { "id": 5234, "nodeType": "ParameterList", "parameters": [], "src": "192:0:11" }, "scope": 5332, "src": "161:79:11", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "body": { "id": 5243, "nodeType": "Block", "src": "322:2:11", "statements": [] }, "id": 5244, "implemented": true, "kind": "receive", "modifiers": [], "name": "", "nameLocation": "-1:-1:-1", "nodeType": "FunctionDefinition", "parameters": { "id": 5241, "nodeType": "ParameterList", "parameters": [], "src": "302:2:11" }, "returnParameters": { "id": 5242, "nodeType": "ParameterList", "parameters": [], "src": "322:0:11" }, "scope": 5332, "src": "295:29:11", "stateMutability": "payable", "virtual": false, "visibility": "external" }, { "anonymous": false, "id": 5256, "name": "TestForwarderMessage", "nameLocation": "336:20:11", "nodeType": "EventDefinition", "parameters": { "id": 5255, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 5246, "indexed": false, "mutability": "mutable", "name": "message", "nameLocation": "364:7:11", "nodeType": "VariableDeclaration", "scope": 5256, "src": "357:14:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 5245, "name": "string", "nodeType": "ElementaryTypeName", "src": "357:6:11", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 5248, "indexed": false, "mutability": "mutable", "name": "realMsgData", "nameLocation": "379:11:11", "nodeType": "VariableDeclaration", "scope": 5256, "src": "373:17:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 5247, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "373:5:11", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 5250, "indexed": false, "mutability": "mutable", "name": "realSender", "nameLocation": "400:10:11", "nodeType": "VariableDeclaration", "scope": 5256, "src": "392:18:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5249, "name": "address", "nodeType": "ElementaryTypeName", "src": "392:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 5252, "indexed": false, "mutability": "mutable", "name": "msgSender", "nameLocation": "420:9:11", "nodeType": "VariableDeclaration", "scope": 5256, "src": "412:17:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5251, "name": "address", "nodeType": "ElementaryTypeName", "src": "412:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 5254, "indexed": false, "mutability": "mutable", "name": "origin", "nameLocation": "439:6:11", "nodeType": "VariableDeclaration", "scope": 5256, "src": "431:14:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 5253, "name": "address", "nodeType": "ElementaryTypeName", "src": "431:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "356:90:11" }, "src": "330:117:11" }, { "body": { "id": 5273, "nodeType": "Block", "src": "504:154:11", "statements": [ { "eventCall": { "arguments": [ { "id": 5262, "name": "message", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5258, "src": "594:7:11", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, { "arguments": [], "expression": { "argumentTypes": [], "id": 5263, "name": "_msgData", "nodeType": "Identifier", "overloadedDeclarations": [ 499 ], "referencedDeclaration": 499, "src": "603:8:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bytes_calldata_ptr_$", "typeString": "function () view returns (bytes calldata)" } }, "id": 5264, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": 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