9682 lines
415 KiB
JSON
9682 lines
415 KiB
JSON
{
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"contractName": "ERC721Token",
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"abi": [
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{
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"constant": true,
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"inputs": [
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{
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"name": "_interfaceId",
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"type": "bytes4"
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}
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],
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"name": "supportsInterface",
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"outputs": [
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{
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"name": "",
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"type": "bool"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "getApproved",
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"outputs": [
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{
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"name": "",
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"type": "address"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": false,
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"inputs": [
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{
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"name": "_to",
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"type": "address"
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},
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{
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "approve",
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"outputs": [],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [],
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"name": "InterfaceId_ERC165",
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"outputs": [
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{
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"name": "",
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"type": "bytes4"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": false,
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"inputs": [
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{
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"name": "_from",
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"type": "address"
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},
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{
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"name": "_to",
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"type": "address"
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},
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{
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "transferFrom",
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"outputs": [],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"constant": false,
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"inputs": [
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{
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"name": "_from",
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"type": "address"
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},
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{
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"name": "_to",
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"type": "address"
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},
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{
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "safeTransferFrom",
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"outputs": [],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "exists",
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"outputs": [
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{
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"name": "",
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"type": "bool"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "ownerOf",
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"outputs": [
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{
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"name": "",
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"type": "address"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_owner",
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"type": "address"
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}
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],
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"name": "balanceOf",
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"outputs": [
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{
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"name": "",
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"type": "uint256"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": false,
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"inputs": [
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{
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"name": "_to",
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"type": "address"
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},
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{
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"name": "_approved",
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"type": "bool"
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}
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],
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"name": "setApprovalForAll",
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"outputs": [],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"constant": false,
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"inputs": [
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{
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"name": "_from",
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"type": "address"
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},
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{
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"name": "_to",
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"type": "address"
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},
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{
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"name": "_tokenId",
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"type": "uint256"
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},
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{
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"name": "_data",
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"type": "bytes"
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}
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],
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"name": "safeTransferFrom",
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"outputs": [],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_owner",
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"type": "address"
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},
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{
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"name": "_operator",
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"type": "address"
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}
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],
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"name": "isApprovedForAll",
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"outputs": [
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{
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"name": "",
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"type": "bool"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"inputs": [
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{
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"name": "_name",
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"type": "string"
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},
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{
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"name": "_symbol",
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"type": "string"
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}
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],
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"payable": false,
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"stateMutability": "nonpayable",
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"type": "constructor"
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},
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{
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"anonymous": false,
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"inputs": [
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{
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"indexed": true,
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"name": "_from",
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"type": "address"
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},
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{
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"indexed": true,
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"name": "_to",
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"type": "address"
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},
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{
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"indexed": true,
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "Transfer",
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"type": "event"
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},
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{
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"anonymous": false,
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"inputs": [
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{
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"indexed": true,
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"name": "_owner",
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"type": "address"
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},
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{
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"indexed": true,
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"name": "_approved",
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"type": "address"
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},
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{
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"indexed": true,
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "Approval",
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"type": "event"
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},
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{
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"anonymous": false,
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"inputs": [
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{
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"indexed": true,
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"name": "_owner",
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"type": "address"
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},
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{
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"indexed": true,
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"name": "_operator",
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"type": "address"
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},
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{
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"indexed": false,
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"name": "_approved",
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"type": "bool"
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}
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],
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"name": "ApprovalForAll",
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"type": "event"
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},
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{
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"constant": true,
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"inputs": [],
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"name": "name",
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"outputs": [
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{
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"name": "",
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"type": "string"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [],
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"name": "symbol",
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"outputs": [
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{
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"name": "",
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"type": "string"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_tokenId",
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"type": "uint256"
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}
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],
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"name": "tokenURI",
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"outputs": [
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{
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"name": "",
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"type": "string"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_owner",
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"type": "address"
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},
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{
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"name": "_index",
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"type": "uint256"
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}
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],
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"name": "tokenOfOwnerByIndex",
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"outputs": [
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{
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"name": "",
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"type": "uint256"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [],
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"name": "totalSupply",
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"outputs": [
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{
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"name": "",
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"type": "uint256"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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},
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{
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"constant": true,
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"inputs": [
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{
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"name": "_index",
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"type": "uint256"
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}
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],
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"name": "tokenByIndex",
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"outputs": [
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{
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"name": "",
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"type": "uint256"
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}
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],
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"payable": false,
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"stateMutability": "view",
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"type": "function"
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}
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],
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"source": "pragma solidity ^0.4.24;\n\nimport \"./ERC721.sol\";\nimport \"./ERC721BasicToken.sol\";\nimport \"../../introspection/SupportsInterfaceWithLookup.sol\";\n\n\n/**\n * @title Full ERC721 Token\n * This implementation includes all the required and some optional functionality of the ERC721 standard\n * Moreover, it includes approve all functionality using operator terminology\n * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md\n */\ncontract ERC721Token is SupportsInterfaceWithLookup, ERC721BasicToken, ERC721 {\n\n // Token name\n string internal name_;\n\n // Token symbol\n string internal symbol_;\n\n // Mapping from owner to list of owned token IDs\n mapping(address => uint256[]) internal ownedTokens;\n\n // Mapping from token ID to index of the owner tokens list\n mapping(uint256 => uint256) internal ownedTokensIndex;\n\n // Array with all token ids, used for enumeration\n uint256[] internal allTokens;\n\n // Mapping from token id to position in the allTokens array\n mapping(uint256 => uint256) internal allTokensIndex;\n\n // Optional mapping for token URIs\n mapping(uint256 => string) internal tokenURIs;\n\n /**\n * @dev Constructor function\n */\n constructor(string _name, string _symbol) public {\n name_ = _name;\n symbol_ = _symbol;\n\n // register the supported interfaces to conform to ERC721 via ERC165\n _registerInterface(InterfaceId_ERC721Enumerable);\n _registerInterface(InterfaceId_ERC721Metadata);\n }\n\n /**\n * @dev Gets the token name\n * @return string representing the token name\n */\n function name() external view returns (string) {\n return name_;\n }\n\n /**\n * @dev Gets the token symbol\n * @return string representing the token symbol\n */\n function symbol() external view returns (string) {\n return symbol_;\n }\n\n /**\n * @dev Returns an URI for a given token ID\n * Throws if the token ID does not exist. May return an empty string.\n * @param _tokenId uint256 ID of the token to query\n */\n function tokenURI(uint256 _tokenId) public view returns (string) {\n require(exists(_tokenId));\n return tokenURIs[_tokenId];\n }\n\n /**\n * @dev Gets the token ID at a given index of the tokens list of the requested owner\n * @param _owner address owning the tokens list to be accessed\n * @param _index uint256 representing the index to be accessed of the requested tokens list\n * @return uint256 token ID at the given index of the tokens list owned by the requested address\n */\n function tokenOfOwnerByIndex(\n address _owner,\n uint256 _index\n )\n public\n view\n returns (uint256)\n {\n require(_index < balanceOf(_owner));\n return ownedTokens[_owner][_index];\n }\n\n /**\n * @dev Gets the total amount of tokens stored by the contract\n * @return uint256 representing the total amount of tokens\n */\n function totalSupply() public view returns (uint256) {\n return allTokens.length;\n }\n\n /**\n * @dev Gets the token ID at a given index of all the tokens in this contract\n * Reverts if the index is greater or equal to the total number of tokens\n * @param _index uint256 representing the index to be accessed of the tokens list\n * @return uint256 token ID at the given index of the tokens list\n */\n function tokenByIndex(uint256 _index) public view returns (uint256) {\n require(_index < totalSupply());\n return allTokens[_index];\n }\n\n /**\n * @dev Internal function to set the token URI for a given token\n * Reverts if the token ID does not exist\n * @param _tokenId uint256 ID of the token to set its URI\n * @param _uri string URI to assign\n */\n function _setTokenURI(uint256 _tokenId, string _uri) internal {\n require(exists(_tokenId));\n tokenURIs[_tokenId] = _uri;\n }\n\n /**\n * @dev Internal function to add a token ID to the list of a given address\n * @param _to address representing the new owner of the given token ID\n * @param _tokenId uint256 ID of the token to be added to the tokens list of the given address\n */\n function addTokenTo(address _to, uint256 _tokenId) internal {\n super.addTokenTo(_to, _tokenId);\n uint256 length = ownedTokens[_to].length;\n ownedTokens[_to].push(_tokenId);\n ownedTokensIndex[_tokenId] = length;\n }\n\n /**\n * @dev Internal function to remove a token ID from the list of a given address\n * @param _from address representing the previous owner of the given token ID\n * @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address\n */\n function removeTokenFrom(address _from, uint256 _tokenId) internal {\n super.removeTokenFrom(_from, _tokenId);\n\n // To prevent a gap in the array, we store the last token in the index of the token to delete, and\n // then delete the last slot.\n uint256 tokenIndex = ownedTokensIndex[_tokenId];\n uint256 lastTokenIndex = ownedTokens[_from].length.sub(1);\n uint256 lastToken = ownedTokens[_from][lastTokenIndex];\n\n ownedTokens[_from][tokenIndex] = lastToken;\n // This also deletes the contents at the last position of the array\n ownedTokens[_from].length--;\n\n // Note that this will handle single-element arrays. In that case, both tokenIndex and lastTokenIndex are going to\n // be zero. Then we can make sure that we will remove _tokenId from the ownedTokens list since we are first swapping\n // the lastToken to the first position, and then dropping the element placed in the last position of the list\n\n ownedTokensIndex[_tokenId] = 0;\n ownedTokensIndex[lastToken] = tokenIndex;\n }\n\n /**\n * @dev Internal function to mint a new token\n * Reverts if the given token ID already exists\n * @param _to address the beneficiary that will own the minted token\n * @param _tokenId uint256 ID of the token to be minted by the msg.sender\n */\n function _mint(address _to, uint256 _tokenId) internal {\n super._mint(_to, _tokenId);\n\n allTokensIndex[_tokenId] = allTokens.length;\n allTokens.push(_tokenId);\n }\n\n /**\n * @dev Internal function to burn a specific token\n * Reverts if the token does not exist\n * @param _owner owner of the token to burn\n * @param _tokenId uint256 ID of the token being burned by the msg.sender\n */\n function _burn(address _owner, uint256 _tokenId) internal {\n super._burn(_owner, _tokenId);\n\n // Clear metadata (if any)\n if (bytes(tokenURIs[_tokenId]).length != 0) {\n delete tokenURIs[_tokenId];\n }\n\n // Reorg all tokens array\n uint256 tokenIndex = allTokensIndex[_tokenId];\n uint256 lastTokenIndex = allTokens.length.sub(1);\n uint256 lastToken = allTokens[lastTokenIndex];\n\n allTokens[tokenIndex] = lastToken;\n allTokens[lastTokenIndex] = 0;\n\n allTokens.length--;\n allTokensIndex[_tokenId] = 0;\n allTokensIndex[lastToken] = tokenIndex;\n }\n\n}\n",
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"rightHandSide": {
|
|
"argumentTypes": null,
|
|
"id": 1679,
|
|
"name": "tokenIndex",
|
|
"nodeType": "Identifier",
|
|
"overloadedDeclarations": [],
|
|
"referencedDeclaration": 1634,
|
|
"src": "6736:10:10",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_uint256",
|
|
"typeString": "uint256"
|
|
}
|
|
},
|
|
"src": "6708:38:10",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_uint256",
|
|
"typeString": "uint256"
|
|
}
|
|
},
|
|
"id": 1681,
|
|
"nodeType": "ExpressionStatement",
|
|
"src": "6708:38:10"
|
|
}
|
|
]
|
|
},
|
|
"documentation": "@dev Internal function to burn a specific token\nReverts if the token does not exist\n@param _owner owner of the token to burn\n@param _tokenId uint256 ID of the token being burned by the msg.sender",
|
|
"id": 1683,
|
|
"implemented": true,
|
|
"isConstructor": false,
|
|
"isDeclaredConst": false,
|
|
"modifiers": [],
|
|
"name": "_burn",
|
|
"nodeType": "FunctionDefinition",
|
|
"parameters": {
|
|
"id": 1609,
|
|
"nodeType": "ParameterList",
|
|
"parameters": [
|
|
{
|
|
"constant": false,
|
|
"id": 1606,
|
|
"name": "_owner",
|
|
"nodeType": "VariableDeclaration",
|
|
"scope": 1683,
|
|
"src": "6181:14:10",
|
|
"stateVariable": false,
|
|
"storageLocation": "default",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_address",
|
|
"typeString": "address"
|
|
},
|
|
"typeName": {
|
|
"id": 1605,
|
|
"name": "address",
|
|
"nodeType": "ElementaryTypeName",
|
|
"src": "6181:7:10",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_address",
|
|
"typeString": "address"
|
|
}
|
|
},
|
|
"value": null,
|
|
"visibility": "internal"
|
|
},
|
|
{
|
|
"constant": false,
|
|
"id": 1608,
|
|
"name": "_tokenId",
|
|
"nodeType": "VariableDeclaration",
|
|
"scope": 1683,
|
|
"src": "6197:16:10",
|
|
"stateVariable": false,
|
|
"storageLocation": "default",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_uint256",
|
|
"typeString": "uint256"
|
|
},
|
|
"typeName": {
|
|
"id": 1607,
|
|
"name": "uint256",
|
|
"nodeType": "ElementaryTypeName",
|
|
"src": "6197:7:10",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_uint256",
|
|
"typeString": "uint256"
|
|
}
|
|
},
|
|
"value": null,
|
|
"visibility": "internal"
|
|
}
|
|
],
|
|
"src": "6180:34:10"
|
|
},
|
|
"payable": false,
|
|
"returnParameters": {
|
|
"id": 1610,
|
|
"nodeType": "ParameterList",
|
|
"parameters": [],
|
|
"src": "6224:0:10"
|
|
},
|
|
"scope": 1684,
|
|
"src": "6166:585:10",
|
|
"stateMutability": "nonpayable",
|
|
"superFunction": 1148,
|
|
"visibility": "internal"
|
|
}
|
|
],
|
|
"scope": 1685,
|
|
"src": "437:6317:10"
|
|
}
|
|
],
|
|
"src": "0:6755:10"
|
|
},
|
|
"compiler": {
|
|
"name": "solc",
|
|
"version": "0.4.25+commit.59dbf8f1.Emscripten.clang"
|
|
},
|
|
"networks": {},
|
|
"schemaVersion": "2.0.2",
|
|
"updatedAt": "2019-01-10T18:16:54.195Z"
|
|
} |