{ "contractName": "FeeRebateToken", "abi": [ { "inputs": [ { "internalType": "address", "name": "_vendingMachine", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "approved", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "operator", "type": "address" }, { "indexed": false, "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "ApprovalForAll", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "getApproved", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "name", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "safeTransferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "internalType": "bytes", "name": "_data", "type": "bytes" } ], "name": "safeTransferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "symbol", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "tokenURI", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "transferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "_to", "type": "address" }, { "internalType": "uint256", "name": "_tokenId", "type": "uint256" } ], "name": "mint", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "uint256", "name": "_tokenId", "type": "uint256" } ], "name": "exists", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.17+commit.d19bba13\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_vendingMachine\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"approved\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"ApprovalForAll\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"}],\"name\":\"exists\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"isApprovedForAll\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"}],\"name\":\"mint\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"setApprovalForAll\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"tokenURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"This token is minted automatically when a TDT (`TBTCDepositToken`) is exchanged for TBTC (`TBTCToken`) via the Vending Machine (`VendingMachine`). When the Deposit is redeemed, the TDT holder will be reimbursed the signer fee if the redeemer is not the TDT holder and Deposit is not at-term or in COURTESY_CALL.\",\"methods\":{\"approve(address,uint256)\":{\"details\":\"Approves another address to transfer the given token ID The zero address indicates there is no approved address. There can only be one approved address per token at a given time. Can only be called by the token owner or an approved operator.\",\"params\":{\"to\":\"address to be approved for the given token ID\",\"tokenId\":\"uint256 ID of the token to be approved\"}},\"balanceOf(address)\":{\"details\":\"Gets the balance of the specified address.\",\"params\":{\"owner\":\"address to query the balance of\"},\"return\":\"uint256 representing the amount owned by the passed address\"},\"exists(uint256)\":{\"details\":\"Returns whether the specified token exists.\",\"params\":{\"_tokenId\":\"uint256 ID of the token to query the existence of.\"},\"return\":\"bool whether the token exists.\"},\"getApproved(uint256)\":{\"details\":\"Gets the approved address for a token ID, or zero if no address set Reverts if the token ID does not exist.\",\"params\":{\"tokenId\":\"uint256 ID of the token to query the approval of\"},\"return\":\"address currently approved for the given token ID\"},\"isApprovedForAll(address,address)\":{\"details\":\"Tells whether an operator is approved by a given owner.\",\"params\":{\"operator\":\"operator address which you want to query the approval of\",\"owner\":\"owner address which you want to query the approval of\"},\"return\":\"bool whether the given operator is approved by the given owner\"},\"mint(address,uint256)\":{\"details\":\"Mints a new token. Reverts if the given token ID already exists.\",\"params\":{\"_to\":\"The address that will own the minted token.\",\"_tokenId\":\"uint256 ID of the token to be minted.\"}},\"name()\":{\"details\":\"Gets the token name.\",\"return\":\"string representing the token name\"},\"ownerOf(uint256)\":{\"details\":\"Gets the owner of the specified token ID.\",\"params\":{\"tokenId\":\"uint256 ID of the token to query the owner of\"},\"return\":\"address currently marked as the owner of the given token ID\"},\"safeTransferFrom(address,address,uint256)\":{\"details\":\"Safely transfers the ownership of a given token ID to another address If the target address is a contract, it must implement `onERC721Received`, which is called upon a safe transfer, and return the magic value `bytes4(keccak256(\\\"onERC721Received(address,address,uint256,bytes)\\\"))`; otherwise, the transfer is reverted. Requires the msg.sender to be the owner, approved, or operator\",\"params\":{\"from\":\"current owner of the token\",\"to\":\"address to receive the ownership of the given token ID\",\"tokenId\":\"uint256 ID of the token to be transferred\"}},\"safeTransferFrom(address,address,uint256,bytes)\":{\"details\":\"Safely transfers the ownership of a given token ID to another address If the target address is a contract, it must implement `onERC721Received`, which is called upon a safe transfer, and return the magic value `bytes4(keccak256(\\\"onERC721Received(address,address,uint256,bytes)\\\"))`; otherwise, the transfer is reverted. Requires the msg.sender to be the owner, approved, or operator\",\"params\":{\"_data\":\"bytes data to send along with a safe transfer check\",\"from\":\"current owner of the token\",\"to\":\"address to receive the ownership of the given token ID\",\"tokenId\":\"uint256 ID of the token to be transferred\"}},\"setApprovalForAll(address,bool)\":{\"details\":\"Sets or unsets the approval of a given operator An operator is allowed to transfer all tokens of the sender on their behalf.\",\"params\":{\"approved\":\"representing the status of the approval to be set\",\"to\":\"operator address to set the approval\"}},\"supportsInterface(bytes4)\":{\"details\":\"See `IERC165.supportsInterface`. * Time complexity O(1), guaranteed to always use less than 30 000 gas.\"},\"symbol()\":{\"details\":\"Gets the token symbol.\",\"return\":\"string representing the token symbol\"},\"tokenURI(uint256)\":{\"details\":\"Returns an URI for a given token ID. Throws if the token ID does not exist. May return an empty string.\",\"params\":{\"tokenId\":\"uint256 ID of the token to query\"}},\"transferFrom(address,address,uint256)\":{\"details\":\"Transfers the ownership of a given token ID to another address. Usage of this method is discouraged, use `safeTransferFrom` whenever possible. Requires the msg.sender to be the owner, approved, or operator.\",\"params\":{\"from\":\"current owner of the token\",\"to\":\"address to receive the ownership of the given token ID\",\"tokenId\":\"uint256 ID of the token to be transferred\"}}},\"title\":\"Fee Rebate Token\"},\"userdoc\":{\"methods\":{},\"notice\":\"The Fee Rebate Token (FRT) is a non fungible token (ERC721) the ID of which corresponds to a given deposit address. If the corresponding deposit is still active, ownership of this token could result in reimbursement of the signer fee paid to open the 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"source": "pragma solidity 0.5.17;\n\nimport \"openzeppelin-solidity/contracts/token/ERC721/ERC721Metadata.sol\";\nimport \"./VendingMachineAuthority.sol\";\n\n/// @title Fee Rebate Token\n/// @notice The Fee Rebate Token (FRT) is a non fungible token (ERC721)\n/// the ID of which corresponds to a given deposit address.\n/// If the corresponding deposit is still active, ownership of this token\n/// could result in reimbursement of the signer fee paid to open the deposit.\n/// @dev This token is minted automatically when a TDT (`TBTCDepositToken`)\n/// is exchanged for TBTC (`TBTCToken`) via the Vending Machine (`VendingMachine`).\n/// When the Deposit is redeemed, the TDT holder will be reimbursed\n/// the signer fee if the redeemer is not the TDT holder and Deposit is not\n/// at-term or in COURTESY_CALL.\ncontract FeeRebateToken is ERC721Metadata, VendingMachineAuthority {\n constructor(address _vendingMachine)\n public\n ERC721Metadata(\"tBTC Fee Rebate Token\", \"FRT\")\n VendingMachineAuthority(_vendingMachine)\n {\n // solium-disable-previous-line no-empty-blocks\n }\n\n /// @dev Mints a new token.\n /// Reverts if the given token ID already exists.\n /// @param _to The address that will own the minted token.\n /// @param _tokenId uint256 ID of the token to be minted.\n function mint(address _to, uint256 _tokenId) external onlyVendingMachine {\n _mint(_to, _tokenId);\n }\n\n /// @dev Returns whether the specified token exists.\n /// @param _tokenId uint256 ID of the token to query the existence of.\n /// @return bool whether the token exists.\n function exists(uint256 _tokenId) external view returns (bool) {\n return _exists(_tokenId);\n }\n}\n", "sourcePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/FeeRebateToken.sol", "ast": { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/FeeRebateToken.sol", "exportedSymbols": { "FeeRebateToken": [ 6300 ] }, "id": 6301, "nodeType": "SourceUnit", "nodes": [ { "id": 6253, "literals": [ "solidity", "0.5", ".17" ], "nodeType": "PragmaDirective", "src": "0:23:19" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC721/ERC721Metadata.sol", "file": "openzeppelin-solidity/contracts/token/ERC721/ERC721Metadata.sol", "id": 6254, "nodeType": "ImportDirective", "scope": 6301, "sourceUnit": 18185, "src": "25:73:19", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/system/VendingMachineAuthority.sol", "file": "./VendingMachineAuthority.sol", "id": 6255, "nodeType": "ImportDirective", "scope": 6301, "sourceUnit": 9151, "src": "99:39:19", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 6256, "name": "ERC721Metadata", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18184, "src": "876:14:19", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC721Metadata_$18184", "typeString": "contract ERC721Metadata" } }, "id": 6257, "nodeType": "InheritanceSpecifier", "src": "876:14:19" }, { "arguments": null, "baseName": { "contractScope": null, "id": 6258, "name": "VendingMachineAuthority", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9150, "src": "892:23:19", "typeDescriptions": { "typeIdentifier": "t_contract$_VendingMachineAuthority_$9150", "typeString": "contract VendingMachineAuthority" } }, "id": 6259, "nodeType": "InheritanceSpecifier", "src": "892:23:19" } ], "contractDependencies": [ 9150, 16712, 16722, 18055, 18184, 18287, 18310 ], "contractKind": "contract", "documentation": "@title Fee Rebate Token\n @notice The Fee Rebate Token (FRT) is a non fungible token (ERC721)\n the ID of which corresponds to a given deposit address.\n If the corresponding deposit is still active, ownership of this token\n could result in reimbursement of the signer fee paid to open the deposit.\n @dev This token is minted automatically when a TDT (`TBTCDepositToken`)\n is exchanged for TBTC (`TBTCToken`) via the Vending Machine (`VendingMachine`).\n When the Deposit is redeemed, the TDT holder will be reimbursed\n the signer fee if the redeemer is not the TDT holder and Deposit is not\n at-term or in COURTESY_CALL.", "fullyImplemented": true, "id": 6300, "linearizedBaseContracts": [ 6300, 9150, 18184, 18310, 18055, 18287, 16712, 16722 ], "name": "FeeRebateToken", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 6271, "nodeType": "Block", "src": "1082:63:19", "statements": [] }, "documentation": null, "id": 6272, "implemented": true, "kind": "constructor", "modifiers": [ { "arguments": [ { "argumentTypes": null, "hexValue": "74425443204665652052656261746520546f6b656e", "id": 6264, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "997:23:19", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_c36a4eba681dba07c068fe0208446ac269f2ad6fd3338c27a883689d45c610fa", "typeString": "literal_string \"tBTC Fee Rebate Token\"" }, "value": "tBTC Fee Rebate Token" }, { "argumentTypes": null, "hexValue": "465254", "id": 6265, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1022:5:19", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_ae23524ca7b36032a5132903ba97b23af732e771a07f2cc4d4ed9dd66507f997", "typeString": "literal_string \"FRT\"" }, "value": "FRT" } ], "id": 6266, "modifierName": { "argumentTypes": null, "id": 6263, "name": "ERC721Metadata", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18184, "src": "982:14:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC721Metadata_$18184_$", "typeString": "type(contract ERC721Metadata)" } }, "nodeType": "ModifierInvocation", "src": "982:46:19" }, { "arguments": [ { "argumentTypes": null, "id": 6268, "name": "_vendingMachine", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6261, "src": "1061:15:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 6269, "modifierName": { "argumentTypes": null, "id": 6267, "name": "VendingMachineAuthority", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9150, "src": "1037:23:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_VendingMachineAuthority_$9150_$", "typeString": "type(contract VendingMachineAuthority)" } }, "nodeType": "ModifierInvocation", "src": "1037:40:19" } ], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 6262, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6261, "name": "_vendingMachine", "nodeType": "VariableDeclaration", "scope": 6272, "src": "934:23:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6260, "name": "address", "nodeType": "ElementaryTypeName", "src": "934:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "933:25:19" }, "returnParameters": { "id": 6270, "nodeType": "ParameterList", "parameters": [], "src": "1082:0:19" }, "scope": 6300, "src": "922:223:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 6286, "nodeType": "Block", "src": "1435:37:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6282, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6274, "src": "1451:3:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6283, "name": "_tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6276, "src": "1456:8:19", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 6281, "name": "_mint", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 17879, "src": "1445:5:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 6284, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1445:20:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6285, "nodeType": "ExpressionStatement", "src": "1445:20:19" } ] 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When the Deposit is redeemed, the TDT holder will be reimbursed the signer fee if the redeemer is not the TDT holder and Deposit is not at-term or in COURTESY_CALL.", "methods": { "approve(address,uint256)": { "details": "Approves another address to transfer the given token ID The zero address indicates there is no approved address. There can only be one approved address per token at a given time. Can only be called by the token owner or an approved operator.", "params": { "to": "address to be approved for the given token ID", "tokenId": "uint256 ID of the token to be approved" } }, "balanceOf(address)": { "details": "Gets the balance of the specified address.", "params": { "owner": "address to query the balance of" }, "return": "uint256 representing the amount owned by the passed address" }, "exists(uint256)": { "details": "Returns whether the specified token exists.", "params": { "_tokenId": "uint256 ID of the token to query the existence of." }, "return": "bool whether the token exists." }, "getApproved(uint256)": { "details": "Gets the approved address for a token ID, or zero if no address set Reverts if the token ID does not exist.", "params": { "tokenId": "uint256 ID of the token to query the approval of" }, "return": "address currently approved for the given token ID" }, "isApprovedForAll(address,address)": { "details": "Tells whether an operator is approved by a given owner.", "params": { "operator": "operator address which you want to query the approval of", "owner": "owner address which you want to query the approval of" }, "return": "bool whether the given operator is approved by the given owner" }, "mint(address,uint256)": { "details": "Mints a new token. Reverts if the given token ID already exists.", "params": { "_to": "The address that will own the minted token.", "_tokenId": "uint256 ID of the token to be minted." } }, "name()": { "details": "Gets the token name.", "return": "string representing the token name" }, "ownerOf(uint256)": { "details": "Gets the owner of the specified token ID.", "params": { "tokenId": "uint256 ID of the token to query the owner of" }, "return": "address currently marked as the owner of the given token ID" }, "safeTransferFrom(address,address,uint256)": { "details": "Safely transfers the ownership of a given token ID to another address If the target address is a contract, it must implement `onERC721Received`, which is called upon a safe transfer, and return the magic value `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`; otherwise, the transfer is reverted. Requires the msg.sender to be the owner, approved, or operator", "params": { "from": "current owner of the token", "to": "address to receive the ownership of the given token ID", "tokenId": "uint256 ID of the token to be transferred" } }, "safeTransferFrom(address,address,uint256,bytes)": { "details": "Safely transfers the ownership of a given token ID to another address If the target address is a contract, it must implement `onERC721Received`, which is called upon a safe transfer, and return the magic value `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`; otherwise, the transfer is reverted. Requires the msg.sender to be the owner, approved, or operator", "params": { "_data": "bytes data to send along with a safe transfer check", "from": "current owner of the token", "to": "address to receive the ownership of the given token ID", "tokenId": "uint256 ID of the token to be transferred" } }, "setApprovalForAll(address,bool)": { "details": "Sets or unsets the approval of a given operator An operator is allowed to transfer all tokens of the sender on their behalf.", "params": { "approved": "representing the status of the approval to be set", "to": "operator address to set the approval" } }, "supportsInterface(bytes4)": { "details": "See `IERC165.supportsInterface`. * Time complexity O(1), guaranteed to always use less than 30 000 gas." }, "symbol()": { "details": "Gets the token symbol.", "return": "string representing the token symbol" }, "tokenURI(uint256)": { "details": "Returns an URI for a given token ID. Throws if the token ID does not exist. May return an empty string.", "params": { "tokenId": "uint256 ID of the token to query" } }, "transferFrom(address,address,uint256)": { "details": "Transfers the ownership of a given token ID to another address. Usage of this method is discouraged, use `safeTransferFrom` whenever possible. Requires the msg.sender to be the owner, approved, or operator.", "params": { "from": "current owner of the token", "to": "address to receive the ownership of the given token ID", "tokenId": "uint256 ID of the token to be transferred" } } }, "title": "Fee Rebate Token" }, "userdoc": { "methods": {}, "notice": "The Fee Rebate Token (FRT) is a non fungible token (ERC721) the ID of which corresponds to a given deposit address. If the corresponding deposit is still active, ownership of this token could result in reimbursement of the signer fee paid to open the deposit." } }