{ "contractName": "DvPSettlement", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "uint256", "name": "settlementId", "type": "uint256" }, { "indexed": true, "internalType": "address", "name": "executor", "type": "address" } ], "name": "SettlementExecuted", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "uint256", "name": "settlementId", "type": "uint256" } ], "name": "SettlementExpired", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "uint256", "name": "settlementId", "type": "uint256" }, { "components": [ { "internalType": "address", "name": "creator", "type": "address" }, { "internalType": "address", "name": "creatorToken", "type": "address" }, { "internalType": "uint256", "name": "creatorAmount", "type": "uint256" }, { "internalType": "address", "name": "creatorBeneficiary", "type": "address" }, { "internalType": "address", "name": "counterparty", "type": "address" }, { "internalType": "address", "name": "counterpartyToken", "type": "address" }, { "internalType": "uint256", "name": "counterpartyAmount", "type": "uint256" }, { "internalType": "uint256", "name": "expirationDate", "type": "uint256" }, { "internalType": "enum DvPSettlement.SettlementStatus", "name": "status", "type": "uint8" } ], "indexed": false, "internalType": "struct DvPSettlement.Settlement", "name": "settlement", "type": "tuple" } ], "name": "SettlementInitialized", "type": "event" }, { "inputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "name": "settlements", "outputs": [ { "internalType": "address", "name": "creator", "type": "address" }, { "internalType": "address", "name": "creatorToken", "type": "address" }, { "internalType": "uint256", "name": "creatorAmount", "type": "uint256" }, { "internalType": "address", "name": "creatorBeneficiary", "type": "address" }, { "internalType": "address", "name": "counterparty", "type": "address" }, { "internalType": "address", "name": "counterpartyToken", "type": "address" }, { "internalType": "uint256", "name": "counterpartyAmount", "type": "uint256" }, { "internalType": "uint256", "name": "expirationDate", "type": "uint256" }, { "internalType": "enum DvPSettlement.SettlementStatus", "name": "status", "type": "uint8" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "creatorToken", "type": "address" }, { "internalType": "uint256", "name": "creatorAmount", "type": "uint256" }, { "internalType": "address", "name": "creatorBeneficiary", "type": "address" }, { "internalType": "address", "name": "counterparty", "type": "address" }, { "internalType": "address", "name": "counterpartyToken", "type": "address" }, { "internalType": "uint256", "name": "counterpartyAmount", "type": "uint256" }, { "internalType": "uint256", "name": "expirationDate", "type": "uint256" } ], "name": "createSettlement", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "id", "type": "uint256" } ], "name": "executeSettlement", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "id", "type": "uint256" } ], "name": "expireSettlement", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "metadata": 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DvPSettlement.SettlementStatus\",\"name\":\"status\",\"type\":\"uint8\"}],\"indexed\":false,\"internalType\":\"struct DvPSettlement.Settlement\",\"name\":\"settlement\",\"type\":\"tuple\"}],\"name\":\"SettlementInitialized\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"creatorToken\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"creatorAmount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"creatorBeneficiary\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"counterparty\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"counterpartyToken\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"counterpartyAmount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"expirationDate\",\"type\":\"uint256\"}],\"name\":\"createSettlement\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"id\",\"type\":\"uint256\"}],\"name\":\"executeSettlement\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"id\",\"type\":\"uint256\"}],\"name\":\"expireSettlement\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"settlements\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"creator\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"creatorToken\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"creatorAmount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"creatorBeneficiary\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"counterparty\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"counterpartyToken\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"counterpartyAmount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"expirationDate\",\"type\":\"uint256\"},{\"internalType\":\"enum DvPSettlement.SettlementStatus\",\"name\":\"status\",\"type\":\"uint8\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Contract to manage any number of Delivery-versus-Payment Settlements\",\"kind\":\"dev\",\"methods\":{\"createSettlement(address,uint256,address,address,address,uint256,uint256)\":{\"details\":\"The creator must approve for this contract at least `creatorAmount` of tokens\",\"params\":{\"counterparty\":\"address of counterparty OR 0x0 for open settlement\",\"counterpartyAmount\":\"amount of counterparty's ERC20 token to be exchanged\",\"counterpartyToken\":\"address of counterparty's ERC20 token\",\"creatorAmount\":\"amount of creator's ERC20 token to be exchanged\",\"creatorToken\":\"address of creator's ERC20 token\",\"expirationDate\":\"unix timestamp in seconds\"}},\"executeSettlement(uint256)\":{\"details\":\"This function can only be successfully called by the designated counterparty unless the counterparty address is empty (0x0) in which case anyone can fulfill and execute the settlementThe counterparty must approve for this contract at least `counterpartyAmount` of tokens\",\"params\":{\"id\":\"the unsigned integer ID value for the Settlement to execute\"}},\"expireSettlement(uint256)\":{\"details\":\"This function can be called by anyone since there is no other possible outcome for a created settlement that has passed the expiration date\",\"params\":{\"id\":\"the unsigned integer ID value for the Settlement to expire\"}}},\"title\":\"DvPSettlement\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"createSettlement(address,uint256,address,address,address,uint256,uint256)\":{\"notice\":\"Creates a new Settlement in the contract's storage and transfers creator's tokens into the contract\"},\"executeSettlement(uint256)\":{\"notice\":\"Executes an existing Settlement with the sender as the counterparty\"},\"expireSettlement(uint256)\":{\"notice\":\"When called after a given settlement expires, it 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creator\"}},\"version\":1}},\"settings\":{\"compilationTarget\":{\"/Users/johannes/Documents/dev/actus-protocol/ap-monorepo/packages/ap-contracts/contracts/DvPSettlement.sol\":\"DvPSettlement\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/johannes/Documents/dev/actus-protocol/ap-monorepo/packages/ap-contracts/contracts/DvPSettlement.sol\":{\"keccak256\":\"0x79e515a25076e23a23d6c421a6ac662c97f498b516cbceeea0ffbe7f865df1d7\",\"license\":\"Apache-2.0\",\"urls\":[\"bzz-raw://23c340a7b7d0bfc8fb676bfa9b6b79362c86ce80dbeb1312732dae658a78d6e2\",\"dweb:/ipfs/QmWdLJXEemVUerk6eMXJ1o2nSJUJMGfvVtSytVtxUts7bM\"]},\"openzeppelin-solidity/contracts/math/SafeMath.sol\":{\"keccak256\":\"0xaa0e11a791bc975d581a4f5b7a8d9c16a880a354c89312318ae072ae3e740409\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://982d8b344f76193834260436d74c81e5a8f9e89106bb4cd72bbaabda4f3f59c2\",\"dweb:/ipfs/QmSrvP5TkQRhKDVCTpsV3uaKLBhkt7PjUY89vdtM9o5ybK\"]},\"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x5c26b39d26f7ed489e555d955dcd3e01872972e71fdd1528e93ec164e4f23385\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://efdc632af6960cf865dbc113665ea1f5b90eab75cc40ec062b2f6ae6da582017\",\"dweb:/ipfs/QmfAZFDuG62vxmAN9DnXApv7e7PMzPqi4RkqqZHLMSQiY5\"]},\"openzeppelin-solidity/contracts/utils/Counters.sol\":{\"keccak256\":\"0x2d68b8e6425249cd05cc0a66ea50cb5b8d10cbdac59c6de834e1002232813faf\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://e3ce6b6ac17c67bba01e9c8c778f82f68fd4823bd083359cdd03040b70eeeba3\",\"dweb:/ipfs/QmX4t1jWwKaAkacvmQxEG5rBtLXg3EHw6pRjKhMZR8iw3n\"]}},\"version\":1}", 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"source": "// \"SPDX-License-Identifier: Apache-2.0\"\npragma solidity ^0.6.11;\npragma experimental ABIEncoderV2;\n\nimport \"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol\";\nimport \"openzeppelin-solidity/contracts/utils/Counters.sol\";\n\n/**\n * @title DvPSettlement\n * @dev Contract to manage any number of Delivery-versus-Payment Settlements\n */\ncontract DvPSettlement {\n using Counters for Counters.Counter;\n Counters.Counter _settlementIds;\n\n event SettlementInitialized(uint256 indexed settlementId, Settlement settlement);\n event SettlementExecuted(uint256 indexed settlementId, address indexed executor);\n event SettlementExpired(uint256 indexed settlementId);\n\n enum SettlementStatus { NOT_EXISTS, INITIALIZED, EXECUTED, EXPIRED }\n\n struct Settlement {\n address creator;\n address creatorToken;\n uint256 creatorAmount;\n address creatorBeneficiary;\n address counterparty;\n address counterpartyToken;\n uint256 counterpartyAmount;\n uint256 expirationDate;\n SettlementStatus status;\n }\n\n mapping (uint256 => Settlement) public settlements;\n\n /**\n * @notice Creates a new Settlement in the contract's storage and transfers creator's tokens into the contract\n * @dev The creator must approve for this contract at least `creatorAmount` of tokens\n * @param creatorToken address of creator's ERC20 token\n * @param creatorAmount amount of creator's ERC20 token to be exchanged\n * @param counterparty address of counterparty OR 0x0 for open settlement\n * @param counterpartyToken address of counterparty's ERC20 token\n * @param counterpartyAmount amount of counterparty's ERC20 token to be exchanged\n * @param expirationDate unix timestamp in seconds\n */\n function createSettlement(\n address creatorToken,\n uint256 creatorAmount,\n address creatorBeneficiary,\n address counterparty,\n address counterpartyToken,\n uint256 counterpartyAmount,\n uint256 expirationDate\n ) public\n {\n require(\n expirationDate > block.timestamp,\n \"DvPSettlement.createSettlement - expiration date cannot be in the past\"\n );\n\n _settlementIds.increment();\n uint256 id = _settlementIds.current();\n\n settlements[id].creator = msg.sender;\n settlements[id].creatorToken = creatorToken;\n settlements[id].creatorAmount = creatorAmount;\n settlements[id].creatorBeneficiary = creatorBeneficiary;\n settlements[id].counterparty = counterparty;\n settlements[id].counterpartyToken = counterpartyToken;\n settlements[id].counterpartyAmount = counterpartyAmount;\n settlements[id].expirationDate = expirationDate;\n settlements[id].status = SettlementStatus.INITIALIZED;\n\n require(\n IERC20(settlements[id].creatorToken)\n .transferFrom(\n settlements[id].creator,\n address(this),\n settlements[id].creatorAmount\n ),\n \"DvPSettlement.createSettlement - transferFrom failed\"\n );\n\n emit SettlementInitialized(id, settlements[id]);\n }\n\n\n /**\n * @notice Executes an existing Settlement with the sender as the counterparty\n * @dev This function can only be successfully called by the designated counterparty unless\n * the counterparty address is empty (0x0) in which case anyone can fulfill and execute the settlement\n * @dev The counterparty must approve for this contract at least `counterpartyAmount` of tokens\n * @param id the unsigned integer ID value for the Settlement to execute\n */\n function executeSettlement(uint256 id) public {\n require(\n settlements[id].status == SettlementStatus.INITIALIZED,\n \"DvPSettlement.executeSettlement - settlement must be in initialized status\"\n );\n require(\n settlements[id].expirationDate > block.timestamp,\n \"DvPSettlement.executeSettlement - settlement expired\"\n );\n\n // if empty (0x0) counterparty address, consider it an \"open\" settlement\n require(\n settlements[id].counterparty == address(0) || settlements[id].counterparty == msg.sender,\n \"DvPSettlement.executeSettlement - sender not allowed to execute settlement\"\n );\n\n // if empty (0x0) creatorBeneficiary address, send funds to creator\n address creatorReveiver = (settlements[id].creatorBeneficiary == address(0)) ?\n settlements[id].creator : settlements[id].creatorBeneficiary;\n\n // transfer both tokens\n require(\n (IERC20(settlements[id].counterpartyToken)\n .transferFrom(\n msg.sender,\n creatorReveiver,\n settlements[id].counterpartyAmount\n )),\n \"DvPSettlement.executeSettlement - transferFrom sender failed\"\n );\n\n require(\n (IERC20(settlements[id].creatorToken)\n .transfer(\n msg.sender,\n settlements[id].creatorAmount\n )),\n \"DvPSettlement.executeSettlement - transfer to sender failed\"\n );\n\n settlements[id].status = SettlementStatus.EXECUTED;\n emit SettlementExecuted(id, msg.sender);\n }\n\n /**\n * @notice When called after a given settlement expires, it refunds tokens to the creator\n * @dev This function can be called by anyone since there is no other possible outcome for\n * a created settlement that has passed the expiration date\n * @param id the unsigned integer ID value for the Settlement to expire\n */\n function expireSettlement(uint256 id) public {\n require(\n settlements[id].expirationDate < block.timestamp,\n \"DvPSettlement.expireSettlement - settlement is not expired\"\n );\n require(\n settlements[id].status == SettlementStatus.INITIALIZED,\n \"DvPSettlement.expireSettlement - only INITIALIZED settlements can be expired\"\n );\n\n // refund creator\n require(\n (IERC20(settlements[id].creatorToken)\n .transfer(\n settlements[id].creator,\n settlements[id].creatorAmount\n )),\n \"DvPSettlement.expireSettlement - refunding creator failed\"\n );\n\n settlements[id].status = SettlementStatus.EXPIRED;\n emit SettlementExpired(id);\n }\n}", "sourcePath": "/Users/johannes/Documents/dev/actus-protocol/ap-monorepo/packages/ap-contracts/contracts/DvPSettlement.sol", "ast": { "absolutePath": "/Users/johannes/Documents/dev/actus-protocol/ap-monorepo/packages/ap-contracts/contracts/DvPSettlement.sol", "exportedSymbols": { "DvPSettlement": [ 17871 ] }, "id": 17872, "license": "Apache-2.0", "nodeType": "SourceUnit", "nodes": [ { "id": 17496, "literals": [ "solidity", "^", "0.6", ".11" ], "nodeType": "PragmaDirective", "src": "41:24:46" }, { "id": 17497, "literals": [ "experimental", "ABIEncoderV2" ], "nodeType": "PragmaDirective", "src": "66:33:46" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol", "file": "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol", "id": 17498, "nodeType": "ImportDirective", "scope": 17872, "sourceUnit": 39446, "src": "101:64:46", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/utils/Counters.sol", "file": "openzeppelin-solidity/contracts/utils/Counters.sol", "id": 17499, "nodeType": "ImportDirective", "scope": 17872, "sourceUnit": 39560, "src": "166:60:46", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 17500, "nodeType": "StructuredDocumentation", "src": "228:108:46", "text": " @title DvPSettlement\n @dev Contract to manage any number of Delivery-versus-Payment Settlements" }, "fullyImplemented": true, "id": 17871, "linearizedBaseContracts": [ 17871 ], "name": "DvPSettlement", "nodeType": "ContractDefinition", "nodes": [ { "id": 17503, "libraryName": { "contractScope": null, "id": 17501, "name": "Counters", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 39559, "src": "372:8:46", "typeDescriptions": { "typeIdentifier": "t_contract$_Counters_$39559", "typeString": "library Counters" } }, "nodeType": "UsingForDirective", "src": "366:36:46", "typeName": { "contractScope": null, "id": 17502, "name": "Counters.Counter", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 39519, "src": "385:16:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Counter_$39519_storage_ptr", "typeString": "struct Counters.Counter" } } }, { "constant": false, "id": 17505, "mutability": "mutable", "name": "_settlementIds", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17871, "src": "407:31:46", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Counter_$39519_storage", "typeString": "struct Counters.Counter" }, "typeName": { "contractScope": null, "id": 17504, "name": "Counters.Counter", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 39519, "src": "407:16:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Counter_$39519_storage_ptr", "typeString": "struct Counters.Counter" } }, "value": null, "visibility": "internal" }, { "anonymous": false, "documentation": null, "id": 17511, "name": "SettlementInitialized", "nodeType": "EventDefinition", "parameters": { "id": 17510, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 17507, "indexed": true, "mutability": "mutable", "name": "settlementId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17511, "src": "473:28:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 17506, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "473:7:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 17509, "indexed": false, "mutability": "mutable", "name": "settlement", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17511, "src": "503:21:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_memory_ptr", "typeString": "struct DvPSettlement.Settlement" }, "typeName": { "contractScope": null, "id": 17508, "name": "Settlement", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 17545, "src": "503:10:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage_ptr", 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"t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17617, "indexExpression": { "argumentTypes": null, "id": 17616, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2531:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2519:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17618, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "counterparty", "nodeType": "MemberAccess", "referencedDeclaration": 17536, "src": "2519:28:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17619, "name": "counterparty", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17558, "src": "2550:12:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2519:43:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 17621, "nodeType": "ExpressionStatement", "src": "2519:43:46" }, { "expression": { "argumentTypes": null, "id": 17627, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17622, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2572:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17624, "indexExpression": { "argumentTypes": null, "id": 17623, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2584:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2572:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17625, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "counterpartyToken", "nodeType": "MemberAccess", "referencedDeclaration": 17538, "src": "2572:33:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17626, "name": "counterpartyToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17560, "src": "2608:17:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2572:53:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 17628, "nodeType": "ExpressionStatement", "src": "2572:53:46" }, { "expression": { "argumentTypes": null, "id": 17634, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17629, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2635:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17631, "indexExpression": { "argumentTypes": null, "id": 17630, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2647:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2635:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17632, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "counterpartyAmount", "nodeType": "MemberAccess", "referencedDeclaration": 17540, "src": "2635:34:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17633, "name": "counterpartyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17562, "src": "2672:18:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2635:55:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 17635, "nodeType": "ExpressionStatement", "src": "2635:55:46" }, { "expression": { "argumentTypes": null, "id": 17641, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17636, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2700:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17638, "indexExpression": { "argumentTypes": null, "id": 17637, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2712:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2700:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17639, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "expirationDate", "nodeType": "MemberAccess", "referencedDeclaration": 17542, "src": "2700:30:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17640, "name": "expirationDate", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17564, "src": "2733:14:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2700:47:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 17642, "nodeType": "ExpressionStatement", "src": "2700:47:46" }, { "expression": { "argumentTypes": null, "id": 17649, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17643, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2757:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17645, "indexExpression": { "argumentTypes": null, "id": 17644, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2769:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2757:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17646, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "status", "nodeType": "MemberAccess", "referencedDeclaration": 17544, "src": "2757:22:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 17647, "name": "SettlementStatus", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17526, "src": "2782:16:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_SettlementStatus_$17526_$", "typeString": "type(enum DvPSettlement.SettlementStatus)" } }, "id": 17648, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "INITIALIZED", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2782:28:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "src": "2757:53:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "id": 17650, "nodeType": "ExpressionStatement", "src": "2757:53:46" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17659, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2922:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17661, "indexExpression": { "argumentTypes": null, "id": 17660, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2934:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2922:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17662, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creator", "nodeType": "MemberAccess", "referencedDeclaration": 17528, "src": "2922:23:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 17665, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "2971:4:46", "typeDescriptions": { "typeIdentifier": "t_contract$_DvPSettlement_$17871", "typeString": "contract DvPSettlement" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DvPSettlement_$17871", "typeString": "contract DvPSettlement" } ], "id": 17664, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2963:7:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 17663, "name": "address", "nodeType": "ElementaryTypeName", "src": "2963:7:46", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 17666, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2963:13:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17667, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2994:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17669, "indexExpression": { "argumentTypes": null, "id": 17668, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "3006:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2994:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17670, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creatorAmount", "nodeType": "MemberAccess", "referencedDeclaration": 17532, "src": "2994:29:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17653, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2849:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17655, "indexExpression": { "argumentTypes": null, "id": 17654, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2861:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2849:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17656, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creatorToken", "nodeType": "MemberAccess", "referencedDeclaration": 17530, "src": "2849:28:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 17652, "name": "IERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 39445, "src": "2842:6:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IERC20_$39445_$", "typeString": "type(contract IERC20)" } }, "id": 17657, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2842:36:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20_$39445", "typeString": "contract IERC20" } }, "id": 17658, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 39426, "src": "2842:62:46", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 17671, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2842:195:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "447650536574746c656d656e742e637265617465536574746c656d656e74202d207472616e7366657246726f6d206661696c6564", "id": 17672, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3051:54:46", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_03f1620064c05253727db20e02142edf4562176acfab6edbe85955d931c87a38", "typeString": "literal_string \"DvPSettlement.createSettlement - transferFrom failed\"" }, "value": "DvPSettlement.createSettlement - transferFrom failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_03f1620064c05253727db20e02142edf4562176acfab6edbe85955d931c87a38", "typeString": "literal_string \"DvPSettlement.createSettlement - transferFrom failed\"" } ], "id": 17651, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2821:7:46", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 17673, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2821:294:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 17674, "nodeType": "ExpressionStatement", "src": "2821:294:46" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 17676, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "3153:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17677, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "3157:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17679, "indexExpression": { "argumentTypes": null, "id": 17678, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "3169:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3157:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } ], "id": 17675, "name": "SettlementInitialized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17511, "src": "3131:21:46", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$_t_struct$_Settlement_$17545_memory_ptr_$returns$__$", "typeString": "function (uint256,struct DvPSettlement.Settlement memory)" } }, "id": 17680, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3131:42:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 17681, "nodeType": "EmitStatement", "src": "3126:47:46" } ] }, "documentation": { "id": 17550, "nodeType": "StructuredDocumentation", "src": "1127:641:46", "text": " @notice Creates a new Settlement in the contract's storage and transfers creator's tokens into the contract\n @dev The creator must approve for this contract at least `creatorAmount` of tokens\n @param creatorToken address of creator's ERC20 token\n @param creatorAmount amount of creator's ERC20 token to be exchanged\n @param counterparty address of counterparty OR 0x0 for open settlement\n @param counterpartyToken address of counterparty's ERC20 token\n @param counterpartyAmount amount of counterparty's ERC20 token to be exchanged\n @param expirationDate unix timestamp in seconds" }, "functionSelector": "53fd599d", "id": 17683, 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"t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17750, "indexExpression": { "argumentTypes": null, "id": 17749, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17686, "src": "4571:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4559:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17751, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creatorBeneficiary", "nodeType": "MemberAccess", "referencedDeclaration": 17534, "src": "4559:34:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 17752, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "Conditional", "src": "4468:125:46", "trueExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17744, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "4533:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17746, "indexExpression": { "argumentTypes": null, "id": 17745, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17686, "src": "4545:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4533:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17747, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creator", "nodeType": "MemberAccess", "referencedDeclaration": 17528, "src": "4533:23:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "4442:151:46" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "components": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 17762, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "4743:3:46", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 17763, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4743:10:46", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 17764, "name": "creatorReveiver", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17733, "src": "4771:15:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17765, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "4804:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17767, "indexExpression": { "argumentTypes": null, "id": 17766, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17686, "src": "4816:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4804:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17768, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "counterpartyAmount", "nodeType": "MemberAccess", "referencedDeclaration": 17540, "src": "4804:34:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17756, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "4665:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17758, "indexExpression": { "argumentTypes": null, "id": 17757, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17686, "src": "4677:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4665:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17759, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "counterpartyToken", "nodeType": "MemberAccess", "referencedDeclaration": 17538, "src": "4665:33:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 17755, "name": "IERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 39445, "src": "4658:6:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IERC20_$39445_$", "typeString": "type(contract IERC20)" } }, "id": 17760, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4658:41:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20_$39445", "typeString": "contract IERC20" } }, "id": 17761, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 39426, "src": "4658:67:46", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 17769, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4658:194:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "id": 17770, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "4657:196:46", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "447650536574746c656d656e742e65786563757465536574746c656d656e74202d207472616e7366657246726f6d2073656e646572206661696c6564", "id": 17771, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4867:62:46", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_75f2b646951e6b894b228b0fe9ab74c1c3f54f6fa7f0b07db5fb0ebbf73b25e0", "typeString": "literal_string \"DvPSettlement.executeSettlement - transferFrom sender failed\"" }, "value": "DvPSettlement.executeSettlement - transferFrom sender failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_75f2b646951e6b894b228b0fe9ab74c1c3f54f6fa7f0b07db5fb0ebbf73b25e0", "typeString": "literal_string \"DvPSettlement.executeSettlement - transferFrom sender failed\"" } ], "id": 17754, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "4636:7:46", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 17772, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4636:303:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 17773, "nodeType": "ExpressionStatement", "src": "4636:303:46" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "components": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 17782, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "5048:3:46", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 17783, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5048:10:46", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17784, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "5076:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17786, "indexExpression": { "argumentTypes": null, "id": 17785, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17686, "src": "5088:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5076:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17787, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creatorAmount", "nodeType": "MemberAccess", "referencedDeclaration": 17532, "src": "5076:29:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17776, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "4979:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17778, "indexExpression": { "argumentTypes": null, "id": 17777, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17686, "src": "4991:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4979:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17779, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creatorToken", "nodeType": "MemberAccess", "referencedDeclaration": 17530, "src": "4979:28:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 17775, "name": "IERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 39445, "src": "4972:6:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IERC20_$39445_$", "typeString": "type(contract IERC20)" } }, "id": 17780, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4972:36:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20_$39445", "typeString": "contract IERC20" } }, "id": 17781, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transfer", "nodeType": "MemberAccess", "referencedDeclaration": 39394, "src": "4972:58:46", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 17788, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4972:147:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "id": 17789, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "4971:149:46", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "447650536574746c656d656e742e65786563757465536574746c656d656e74202d207472616e7366657220746f2073656e646572206661696c6564", "id": 17790, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "5134:61:46", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9f052cd32deaf089702c5a633cc2fa86f56d193511cd34a598a09ee7c8981d59", "typeString": "literal_string \"DvPSettlement.executeSettlement - transfer to sender failed\"" }, "value": "DvPSettlement.executeSettlement - transfer to sender failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9f052cd32deaf089702c5a633cc2fa86f56d193511cd34a598a09ee7c8981d59", "typeString": "literal_string \"DvPSettlement.executeSettlement - transfer to sender failed\"" } ], "id": 17774, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "4950:7:46", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 17791, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4950:255:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 17792, "nodeType": "ExpressionStatement", "src": "4950:255:46" }, { "expression": { "argumentTypes": null, "id": 17799, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17793, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "5216:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17795, "indexExpression": { "argumentTypes": null, "id": 17794, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17686, "src": "5228:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "5216:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17796, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "status", "nodeType": "MemberAccess", "referencedDeclaration": 17544, "src": "5216:22:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 17797, "name": "SettlementStatus", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17526, "src": "5241:16:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_SettlementStatus_$17526_$", "typeString": "type(enum DvPSettlement.SettlementStatus)" } }, "id": 17798, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "EXECUTED", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5241:25:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "src": "5216:50:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "id": 17800, "nodeType": "ExpressionStatement", "src": "5216:50:46" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 17802, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17686, "src": "5300:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 17803, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "5304:3:46", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 17804, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5304:10:46", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 17801, "name": "SettlementExecuted", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17517, "src": "5281:18:46", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$_t_address_$returns$__$", "typeString": "function (uint256,address)" } }, "id": 17805, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5281:34:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 17806, "nodeType": "EmitStatement", "src": "5276:39:46" } ] }, "documentation": { "id": 17684, "nodeType": "StructuredDocumentation", "src": "3187:474:46", "text": " @notice Executes an existing Settlement with the sender as the counterparty\n @dev This function can only be successfully called by the designated counterparty unless\n the counterparty address is empty (0x0) in which case anyone can fulfill and execute the settlement\n @dev The counterparty must approve for this contract at least `counterpartyAmount` of tokens\n @param id the unsigned integer ID value for the Settlement to execute" }, "functionSelector": "83c0b8ac", "id": 17808, "implemented": true, "kind": "function", "modifiers": [], "name": "executeSettlement", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 17687, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 17686, "mutability": "mutable", "name": "id", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17808, "src": "3693:10:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 17685, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3693:7:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3692:12:46" }, "returnParameters": { "id": 17688, "nodeType": 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"t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17597, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "creatorToken", "nodeType": "MemberAccess", "referencedDeclaration": 17530, "src": "2346:28:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17598, "name": "creatorToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17552, "src": "2377:12:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2346:43:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 17600, "nodeType": "ExpressionStatement", "src": "2346:43:46" }, { "expression": { "argumentTypes": null, "id": 17606, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17601, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2399:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17603, "indexExpression": { "argumentTypes": null, "id": 17602, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2411:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2399:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17604, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "creatorAmount", "nodeType": "MemberAccess", "referencedDeclaration": 17532, "src": "2399:29:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17605, "name": "creatorAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17554, "src": "2431:13:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2399:45:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 17607, "nodeType": "ExpressionStatement", "src": "2399:45:46" }, { "expression": { "argumentTypes": null, "id": 17613, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17608, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2454:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17610, "indexExpression": { "argumentTypes": null, "id": 17609, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2466:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2454:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17611, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "creatorBeneficiary", "nodeType": "MemberAccess", "referencedDeclaration": 17534, "src": "2454:34:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17612, "name": "creatorBeneficiary", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17556, "src": "2491:18:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2454:55:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 17614, "nodeType": "ExpressionStatement", "src": "2454:55:46" }, { "expression": { "argumentTypes": null, "id": 17620, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17615, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2519:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17617, "indexExpression": { "argumentTypes": null, "id": 17616, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2531:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2519:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17618, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "counterparty", "nodeType": "MemberAccess", "referencedDeclaration": 17536, "src": "2519:28:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17619, "name": "counterparty", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17558, "src": "2550:12:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2519:43:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 17621, "nodeType": "ExpressionStatement", "src": "2519:43:46" }, { "expression": { "argumentTypes": null, "id": 17627, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17622, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2572:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17624, "indexExpression": { "argumentTypes": null, "id": 17623, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2584:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2572:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17625, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "counterpartyToken", "nodeType": "MemberAccess", "referencedDeclaration": 17538, "src": "2572:33:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17626, "name": "counterpartyToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17560, "src": "2608:17:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2572:53:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 17628, "nodeType": "ExpressionStatement", "src": "2572:53:46" }, { "expression": { "argumentTypes": null, "id": 17634, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17629, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2635:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17631, "indexExpression": { "argumentTypes": null, "id": 17630, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2647:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2635:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17632, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "counterpartyAmount", "nodeType": "MemberAccess", "referencedDeclaration": 17540, "src": "2635:34:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17633, "name": "counterpartyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17562, "src": "2672:18:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2635:55:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 17635, "nodeType": "ExpressionStatement", "src": "2635:55:46" }, { "expression": { "argumentTypes": null, "id": 17641, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17636, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2700:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17638, "indexExpression": { "argumentTypes": null, "id": 17637, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2712:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2700:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17639, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "expirationDate", "nodeType": "MemberAccess", "referencedDeclaration": 17542, "src": "2700:30:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 17640, "name": "expirationDate", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17564, "src": "2733:14:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2700:47:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 17642, "nodeType": "ExpressionStatement", "src": "2700:47:46" }, { "expression": { "argumentTypes": null, "id": 17649, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17643, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2757:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17645, "indexExpression": { "argumentTypes": null, "id": 17644, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2769:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2757:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17646, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "status", "nodeType": "MemberAccess", "referencedDeclaration": 17544, "src": "2757:22:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 17647, "name": "SettlementStatus", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17526, "src": "2782:16:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_SettlementStatus_$17526_$", "typeString": "type(enum DvPSettlement.SettlementStatus)" } }, "id": 17648, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "INITIALIZED", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2782:28:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "src": "2757:53:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "id": 17650, "nodeType": "ExpressionStatement", "src": "2757:53:46" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17659, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2922:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17661, "indexExpression": { "argumentTypes": null, "id": 17660, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2934:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2922:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17662, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creator", "nodeType": "MemberAccess", "referencedDeclaration": 17528, "src": "2922:23:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 17665, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "2971:4:46", "typeDescriptions": { "typeIdentifier": "t_contract$_DvPSettlement_$17871", "typeString": "contract DvPSettlement" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DvPSettlement_$17871", "typeString": "contract DvPSettlement" } ], "id": 17664, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2963:7:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 17663, "name": "address", "nodeType": "ElementaryTypeName", "src": "2963:7:46", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 17666, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2963:13:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17667, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2994:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17669, "indexExpression": { "argumentTypes": null, "id": 17668, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "3006:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2994:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17670, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creatorAmount", "nodeType": "MemberAccess", "referencedDeclaration": 17532, "src": "2994:29:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17653, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "2849:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17655, "indexExpression": { "argumentTypes": null, "id": 17654, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "2861:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2849:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17656, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "creatorToken", "nodeType": "MemberAccess", "referencedDeclaration": 17530, "src": "2849:28:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 17652, "name": "IERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 39445, "src": "2842:6:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IERC20_$39445_$", "typeString": "type(contract IERC20)" } }, "id": 17657, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2842:36:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20_$39445", "typeString": "contract IERC20" } }, "id": 17658, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 39426, "src": "2842:62:46", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 17671, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2842:195:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "447650536574746c656d656e742e637265617465536574746c656d656e74202d207472616e7366657246726f6d206661696c6564", "id": 17672, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3051:54:46", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_03f1620064c05253727db20e02142edf4562176acfab6edbe85955d931c87a38", "typeString": "literal_string \"DvPSettlement.createSettlement - transferFrom failed\"" }, "value": "DvPSettlement.createSettlement - transferFrom failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_03f1620064c05253727db20e02142edf4562176acfab6edbe85955d931c87a38", "typeString": "literal_string \"DvPSettlement.createSettlement - transferFrom failed\"" } ], "id": 17651, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2821:7:46", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 17673, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2821:294:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 17674, "nodeType": "ExpressionStatement", "src": "2821:294:46" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 17676, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "3153:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17677, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "3157:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17679, "indexExpression": { "argumentTypes": null, "id": 17678, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17581, "src": "3169:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3157:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } ], "id": 17675, "name": "SettlementInitialized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17511, "src": "3131:21:46", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$_t_struct$_Settlement_$17545_memory_ptr_$returns$__$", "typeString": "function (uint256,struct DvPSettlement.Settlement memory)" } }, "id": 17680, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3131:42:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 17681, "nodeType": "EmitStatement", "src": "3126:47:46" } ] }, "documentation": { "id": 17550, "nodeType": "StructuredDocumentation", "src": "1127:641:46", "text": " @notice Creates a new Settlement in the contract's storage and transfers creator's tokens into the contract\n @dev The creator must approve for this contract at least `creatorAmount` of tokens\n @param creatorToken address of creator's ERC20 token\n @param creatorAmount amount of creator's ERC20 token to be exchanged\n @param counterparty address of counterparty OR 0x0 for open settlement\n @param counterpartyToken address of counterparty's ERC20 token\n @param counterpartyAmount amount of counterparty's ERC20 token to be exchanged\n @param expirationDate unix timestamp in seconds" }, "functionSelector": "53fd599d", "id": 17683, "implemented": true, "kind": "function", "modifiers": [], "name": "createSettlement", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 17565, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 17552, "mutability": "mutable", "name": "creatorToken", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17683, "src": "1808:20:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 17551, "name": "address", "nodeType": "ElementaryTypeName", "src": "1808:7:46", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 17554, "mutability": "mutable", "name": "creatorAmount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17683, "src": "1838:21:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 17553, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1838:7:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 17556, "mutability": "mutable", "name": "creatorBeneficiary", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17683, "src": "1869:26:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 17555, "name": "address", "nodeType": "ElementaryTypeName", "src": "1869:7:46", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 17558, "mutability": "mutable", "name": "counterparty", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17683, "src": "1905:20:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 17557, "name": "address", "nodeType": "ElementaryTypeName", "src": "1905:7:46", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 17560, "mutability": "mutable", "name": "counterpartyToken", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17683, "src": "1935:25:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 17559, "name": "address", "nodeType": "ElementaryTypeName", "src": "1935:7:46", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 17562, "mutability": "mutable", "name": "counterpartyAmount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17683, "src": "1970:26:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 17561, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1970:7:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 17564, "mutability": "mutable", "name": "expirationDate", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17683, "src": "2006:22:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 17563, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2006:7:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1798:236:46" }, "returnParameters": { "id": 17566, "nodeType": "ParameterList", "parameters": [], "src": "2046:0:46" }, "scope": 17871, "src": "1773:1407:46", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "body": { "id": 17807, "nodeType": "Block", "src": "3712:1610:46", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" }, "id": 17696, "isConstant": false, "isLValue": false, "isPure": 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}, "value": "DvPSettlement.executeSettlement - sender not allowed to execute settlement" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_a412d7e6f114713bbde7a83b1cc97a3f4c8db26b9f2c8fa660074f28295c1149", "typeString": "literal_string \"DvPSettlement.executeSettlement - sender not allowed to execute settlement\"" } ], "id": 17711, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "4146:7:46", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 17730, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4146:209:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, 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"4507:7:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 17738, "name": "address", "nodeType": "ElementaryTypeName", "src": "4507:7:46", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 17741, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4507:10:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "4469:48:46", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "id": 17743, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "4468:50:46", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseExpression": { "argumentTypes": null, "expression": { 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"isPure": false, "lValueRequested": false, "memberName": "creatorBeneficiary", "nodeType": "MemberAccess", "referencedDeclaration": 17534, "src": "4559:34:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 17752, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "Conditional", "src": "4468:125:46", "trueExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17744, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "4533:11:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Settlement_$17545_storage_$", "typeString": "mapping(uint256 => struct DvPSettlement.Settlement storage ref)" } }, "id": 17746, "indexExpression": { "argumentTypes": null, "id": 17745, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], 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null, "expression": { "argumentTypes": null, "id": 17762, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "4743:3:46", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 17763, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4743:10:46", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 17764, "name": "creatorReveiver", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17733, "src": "4771:15:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17765, "name": "settlements", "nodeType": "Identifier", 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"t_type$_t_contract$_IERC20_$39445_$", "typeString": "type(contract IERC20)" } }, "id": 17760, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4658:41:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20_$39445", "typeString": "contract IERC20" } }, "id": 17761, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 39426, "src": "4658:67:46", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 17769, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4658:194:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "id": 17770, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "4657:196:46", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "447650536574746c656d656e742e65786563757465536574746c656d656e74202d207472616e7366657246726f6d2073656e646572206661696c6564", "id": 17771, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4867:62:46", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_75f2b646951e6b894b228b0fe9ab74c1c3f54f6fa7f0b07db5fb0ebbf73b25e0", "typeString": "literal_string \"DvPSettlement.executeSettlement - transferFrom sender failed\"" }, "value": "DvPSettlement.executeSettlement - transferFrom sender failed" } ], "expression": { 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"arguments": [ { "argumentTypes": null, "components": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 17782, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "5048:3:46", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 17783, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5048:10:46", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 17784, "name": "settlements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17549, "src": "5076:11:46", "typeDescriptions": { "typeIdentifier": 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@notice Executes an existing Settlement with the sender as the counterparty\n @dev This function can only be successfully called by the designated counterparty unless\n the counterparty address is empty (0x0) in which case anyone can fulfill and execute the settlement\n @dev The counterparty must approve for this contract at least `counterpartyAmount` of tokens\n @param id the unsigned integer ID value for the Settlement to execute" }, "functionSelector": "83c0b8ac", "id": 17808, "implemented": true, "kind": "function", "modifiers": [], "name": "executeSettlement", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 17687, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 17686, "mutability": "mutable", "name": "id", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17808, "src": "3693:10:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, 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refunding creator failed\"" }, "value": "DvPSettlement.expireSettlement - refunding creator failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_d1d9e2ef7d6f9a2c2f573da1970b57e7cdbdd790858a206ea0432541759f9146", "typeString": "literal_string \"DvPSettlement.expireSettlement - refunding creator failed\"" } ], "id": 17836, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "6105:7:46", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 17855, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6105:266:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 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"lValueRequested": false, "nodeType": "IndexAccess", "src": "6382:15:46", "typeDescriptions": { "typeIdentifier": "t_struct$_Settlement_$17545_storage", "typeString": "struct DvPSettlement.Settlement storage ref" } }, "id": 17860, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "status", "nodeType": "MemberAccess", "referencedDeclaration": 17544, "src": "6382:22:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 17861, "name": "SettlementStatus", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17526, "src": "6407:16:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_SettlementStatus_$17526_$", "typeString": "type(enum DvPSettlement.SettlementStatus)" } }, "id": 17862, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "EXPIRED", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6407:24:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "src": "6382:49:46", "typeDescriptions": { "typeIdentifier": "t_enum$_SettlementStatus_$17526", "typeString": "enum DvPSettlement.SettlementStatus" } }, "id": 17864, "nodeType": "ExpressionStatement", "src": "6382:49:46" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 17866, "name": "id", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17811, "src": "6464:2:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 17865, "name": "SettlementExpired", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17521, "src": "6446:17:46", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$returns$__$", "typeString": "function (uint256)" } }, "id": 17867, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6446:21:46", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 17868, "nodeType": "EmitStatement", "src": "6441:26:46" } ] }, "documentation": { "id": 17809, "nodeType": "StructuredDocumentation", "src": "5328:340:46", "text": " @notice When called after a given settlement expires, it refunds tokens to the creator\n @dev This function can be called by anyone since there is no other possible outcome for\n a created settlement that has passed the expiration date\n @param id the unsigned integer ID value for the Settlement to expire" }, "functionSelector": "22761cca", "id": 17870, "implemented": true, "kind": "function", "modifiers": [], "name": "expireSettlement", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 17812, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 17811, "mutability": "mutable", "name": "id", "nodeType": "VariableDeclaration", "overrides": null, "scope": 17870, "src": "5699:10:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 17810, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5699:7:46", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "5698:12:46" }, "returnParameters": { "id": 17813, "nodeType": "ParameterList", "parameters": [], "src": "5718:0:46" }, "scope": 17871, "src": "5673:801:46", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" } ], "scope": 17872, "src": "337:6139:46" } ], "src": "41:6435:46" }, "compiler": { "name": "solc", "version": "0.6.11+commit.5ef660b1.Emscripten.clang" }, "networks": { "1994": { "events": { "0xf059ff22963b773739a912cc5c0f2f358be1a072c66ba18e2c31e503fd012195": { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "uint256", "name": "settlementId", "type": "uint256" }, { "indexed": true, "internalType": "address", "name": "executor", "type": "address" } ], "name": "SettlementExecuted", "type": "event" }, "0xb225d3ed70d8e9aba9eff208c9b1d055ec421670b5037f3f1b3b3a7bd923efac": { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "uint256", "name": "settlementId", "type": "uint256" } ], "name": "SettlementExpired", "type": "event" }, "0xdfaefcb59efc7722ebdeb8d1ec6d1c3bb1c07a742e178a458fa00a45203cfbe2": { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "uint256", "name": "settlementId", "type": "uint256" }, { "components": [ { "internalType": "address", "name": "creator", "type": "address" }, { "internalType": "address", "name": "creatorToken", "type": "address" }, { "internalType": "uint256", "name": "creatorAmount", "type": "uint256" }, { "internalType": "address", "name": "creatorBeneficiary", "type": "address" }, { "internalType": "address", "name": "counterparty", "type": "address" }, { "internalType": "address", "name": "counterpartyToken", "type": "address" }, { "internalType": "uint256", "name": "counterpartyAmount", "type": "uint256" }, { "internalType": "uint256", "name": "expirationDate", "type": "uint256" }, { "internalType": "enum DvPSettlement.SettlementStatus", "name": "status", "type": "uint8" } ], "indexed": false, "internalType": "struct DvPSettlement.Settlement", "name": "settlement", "type": "tuple" } ], "name": "SettlementInitialized", "type": "event" } }, "links": {}, "address": "0x57Ae4f6526f9B23AefB2D9bD0377483CF591Aa42", "transactionHash": "0xee139008d10f526db7cfbd32d80ff367288f8af99f7679491c2eee27eb4b8823" } }, "schemaVersion": "3.2.0", "updatedAt": "2020-08-12T09:47:18.059Z", "devdoc": { "details": "Contract to manage any number of Delivery-versus-Payment Settlements", "kind": "dev", "methods": { "createSettlement(address,uint256,address,address,address,uint256,uint256)": { "details": "The creator must approve for this contract at least `creatorAmount` of tokens", "params": { "counterparty": "address of counterparty OR 0x0 for open settlement", "counterpartyAmount": "amount of counterparty's ERC20 token to be exchanged", "counterpartyToken": "address of counterparty's ERC20 token", "creatorAmount": "amount of creator's ERC20 token to be exchanged", "creatorToken": "address of creator's ERC20 token", "expirationDate": "unix timestamp in seconds" } }, "executeSettlement(uint256)": { "details": "This function can only be successfully called by the designated counterparty unless the counterparty address is empty (0x0) in which case anyone can fulfill and execute the settlementThe counterparty must approve for this contract at least `counterpartyAmount` of tokens", "params": { "id": "the unsigned integer ID value for the Settlement to execute" } }, "expireSettlement(uint256)": { "details": "This function can be called by anyone since there is no other possible outcome for a created settlement that has passed the expiration date", "params": { "id": "the unsigned integer ID value for the Settlement to expire" } } }, "title": "DvPSettlement", "version": 1 }, "userdoc": { "kind": "user", "methods": { "createSettlement(address,uint256,address,address,address,uint256,uint256)": { "notice": "Creates a new Settlement in the contract's storage and transfers creator's tokens into the contract" }, "executeSettlement(uint256)": { "notice": "Executes an existing Settlement with the sender as the counterparty" }, "expireSettlement(uint256)": { "notice": "When called after a given settlement expires, it refunds tokens to the creator" } }, "version": 1 } }