{
  "contractName": "MarketPlace",
  "abi": [
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_artAddr",
          "type": "address"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "_oldOwner",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "_newOwner",
          "type": "address"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "_index",
          "type": "uint256"
        }
      ],
      "name": "ApproveOffer",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "_amount",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "address",
          "name": "_token20",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "_bargainer",
          "type": "address"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "_timeout",
          "type": "uint256"
        }
      ],
      "name": "NewOffer",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "previousOwner",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "OwnershipTransferred",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "_oldOwner",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "_newOwner",
          "type": "address"
        }
      ],
      "name": "Transfer",
      "type": "event"
    },
    {
      "inputs": [
        {
          "internalType": "string",
          "name": "",
          "type": "string"
        }
      ],
      "name": "checkTransactionId",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "string",
          "name": "",
          "type": "string"
        }
      ],
      "name": "imageExisted",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "owner",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "renounceOwnership",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "name": "sellers",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "name": "tokenIdToOffer",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "tokenId",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "amount",
          "type": "uint256"
        },
        {
          "internalType": "address",
          "name": "token20",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "bargainer",
          "type": "address"
        },
        {
          "internalType": "bool",
          "name": "accepted",
          "type": "bool"
        },
        {
          "internalType": "uint256",
          "name": "timeout",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "name": "tokenIdToProduct",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "tokenId",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "price",
          "type": "uint256"
        },
        {
          "internalType": "bool",
          "name": "listing",
          "type": "bool"
        },
        {
          "internalType": "bool",
          "name": "selling",
          "type": "bool"
        },
        {
          "internalType": "address",
          "name": "creator",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "rate",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "timestamp",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "transferOwnership",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "name": "userToProduct",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "tokenId",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "price",
          "type": "uint256"
        },
        {
          "internalType": "bool",
          "name": "listing",
          "type": "bool"
        },
        {
          "internalType": "bool",
          "name": "selling",
          "type": "bool"
        },
        {
          "internalType": "address",
          "name": "creator",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "rate",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "timestamp",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_artAddr",
          "type": "address"
        }
      ],
      "name": "setArtAddr",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "string",
          "name": "_hashInfo",
          "type": "string"
        },
        {
          "internalType": "string",
          "name": "_hashImg",
          "type": "string"
        },
        {
          "internalType": "uint256",
          "name": "_price",
          "type": "uint256"
        }
      ],
      "name": "createNewProduct",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        }
      ],
      "name": "setListOrNot",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        }
      ],
      "name": "setSellOrNot",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_price",
          "type": "uint256"
        }
      ],
      "name": "setPrice",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_user",
          "type": "address"
        }
      ],
      "name": "getProductListCreated",
      "outputs": [
        {
          "components": [
            {
              "internalType": "uint256",
              "name": "tokenId",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "price",
              "type": "uint256"
            },
            {
              "internalType": "bool",
              "name": "listing",
              "type": "bool"
            },
            {
              "internalType": "bool",
              "name": "selling",
              "type": "bool"
            },
            {
              "internalType": "address",
              "name": "creator",
              "type": "address"
            },
            {
              "internalType": "uint256",
              "name": "rate",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "timestamp",
              "type": "uint256"
            }
          ],
          "internalType": "struct IMarketPlace.Product[]",
          "name": "",
          "type": "tuple[]"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        }
      ],
      "name": "buyWithETH",
      "outputs": [],
      "stateMutability": "payable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "internalType": "string",
          "name": "traransactionId",
          "type": "string"
        }
      ],
      "name": "buyWithCurrency",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_owner",
          "type": "address"
        }
      ],
      "name": "getProducListOwnable",
      "outputs": [
        {
          "components": [
            {
              "internalType": "uint256",
              "name": "tokenId",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "price",
              "type": "uint256"
            },
            {
              "internalType": "bool",
              "name": "listing",
              "type": "bool"
            },
            {
              "internalType": "bool",
              "name": "selling",
              "type": "bool"
            },
            {
              "internalType": "address",
              "name": "creator",
              "type": "address"
            },
            {
              "internalType": "uint256",
              "name": "rate",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "timestamp",
              "type": "uint256"
            }
          ],
          "internalType": "struct IMarketPlace.Product[]",
          "name": "",
          "type": "tuple[]"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_amount",
          "type": "uint256"
        },
        {
          "internalType": "address",
          "name": "_token20",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "_timeout",
          "type": "uint256"
        }
      ],
      "name": "offer",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_index",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_timeout",
          "type": "uint256"
        }
      ],
      "name": "restartOffer",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_index",
          "type": "uint256"
        }
      ],
      "name": "getOffer",
      "outputs": [
        {
          "components": [
            {
              "internalType": "uint256",
              "name": "tokenId",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "amount",
              "type": "uint256"
            },
            {
              "internalType": "address",
              "name": "token20",
              "type": "address"
            },
            {
              "internalType": "address",
              "name": "bargainer",
              "type": "address"
            },
            {
              "internalType": "bool",
              "name": "accepted",
              "type": "bool"
            },
            {
              "internalType": "uint256",
              "name": "timeout",
              "type": "uint256"
            }
          ],
          "internalType": "struct IMarketPlace.Offer",
          "name": "",
          "type": "tuple"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        }
      ],
      "name": "getOffer",
      "outputs": [
        {
          "components": [
            {
              "internalType": "uint256",
              "name": "tokenId",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "amount",
              "type": "uint256"
            },
            {
              "internalType": "address",
              "name": "token20",
              "type": "address"
            },
            {
              "internalType": "address",
              "name": "bargainer",
              "type": "address"
            },
            {
              "internalType": "bool",
              "name": "accepted",
              "type": "bool"
            },
            {
              "internalType": "uint256",
              "name": "timeout",
              "type": "uint256"
            }
          ],
          "internalType": "struct IMarketPlace.Offer[]",
          "name": "",
          "type": "tuple[]"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "_tokenId",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_index",
          "type": "uint256"
        }
      ],
      "name": "approveOffer",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "metadata": "{\"compiler\":{\"version\":\"0.8.0+commit.c7dfd78e\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_artAddr\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_oldOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_index\",\"type\":\"uint256\"}],\"name\":\"ApproveOffer\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_token20\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_bargainer\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_timeout\",\"type\":\"uint256\"}],\"name\":\"NewOffer\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_oldOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_index\",\"type\":\"uint256\"}],\"name\":\"approveOffer\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"internalType\":\"string\",\"name\":\"traransactionId\",\"type\":\"string\"}],\"name\":\"buyWithCurrency\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"}],\"name\":\"buyWithETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"name\":\"checkTransactionId\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"_hashInfo\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"_hashImg\",\"type\":\"string\"},{\"internalType\":\"uint256\",\"name\":\"_price\",\"type\":\"uint256\"}],\"name\":\"createNewProduct\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_index\",\"type\":\"uint256\"}],\"name\":\"getOffer\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"token20\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"bargainer\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"accepted\",\"type\":\"bool\"},{\"internalType\":\"uint256\",\"name\":\"timeout\",\"type\":\"uint256\"}],\"internalType\":\"struct IMarketPlace.Offer\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"}],\"name\":\"getOffer\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"token20\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"bargainer\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"accepted\",\"type\":\"bool\"},{\"internalType\":\"uint256\",\"name\":\"timeout\",\"type\":\"uint256\"}],\"internalType\":\"struct IMarketPlace.Offer[]\",\"name\":\"\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_owner\",\"type\":\"address\"}],\"name\":\"getProducListOwnable\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"listing\",\"type\":\"bool\"},{\"internalType\":\"bool\",\"name\":\"selling\",\"type\":\"bool\"},{\"internalType\":\"address\",\"name\":\"creator\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"rate\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"timestamp\",\"type\":\"uint256\"}],\"internalType\":\"struct IMarketPlace.Product[]\",\"name\":\"\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_user\",\"type\":\"address\"}],\"name\":\"getProductListCreated\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"listing\",\"type\":\"bool\"},{\"internalType\":\"bool\",\"name\":\"selling\",\"type\":\"bool\"},{\"internalType\":\"address\",\"name\":\"creator\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"rate\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"timestamp\",\"type\":\"uint256\"}],\"internalType\":\"struct IMarketPlace.Product[]\",\"name\":\"\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"name\":\"imageExisted\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"_token20\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_timeout\",\"type\":\"uint256\"}],\"name\":\"offer\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_index\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_timeout\",\"type\":\"uint256\"}],\"name\":\"restartOffer\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"sellers\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_artAddr\",\"type\":\"address\"}],\"name\":\"setArtAddr\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"}],\"name\":\"setListOrNot\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_price\",\"type\":\"uint256\"}],\"name\":\"setPrice\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"}],\"name\":\"setSellOrNot\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"tokenIdToOffer\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"token20\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"bargainer\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"accepted\",\"type\":\"bool\"},{\"internalType\":\"uint256\",\"name\":\"timeout\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"tokenIdToProduct\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"listing\",\"type\":\"bool\"},{\"internalType\":\"bool\",\"name\":\"selling\",\"type\":\"bool\"},{\"internalType\":\"address\",\"name\":\"creator\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"rate\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"timestamp\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"userToProduct\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"listing\",\"type\":\"bool\"},{\"internalType\":\"bool\",\"name\":\"selling\",\"type\":\"bool\"},{\"internalType\":\"address\",\"name\":\"creator\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"rate\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"timestamp\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"approveOffer(uint256,uint256)\":{\"details\":\"See {IMarketplace-approveOffer}. Emits an {ApproveOffer} event indicating the successful approved offer Requirements: - `_tokenId`'s owner  must be selling on market place and approved for this contract - caller must be owner  of `_tokenId` product - `_timeout` of offer must be greater than current timestamp\"},\"buyWithCurrency(uint256,string)\":{\"details\":\"See {IMarketplace-buyWithCurrency}. Requirements: - `_tokenId` product must be selling on market place - must be approved first - caller can not be owner of `_tokenId` - `traransactionId` haven't used yet\"},\"buyWithETH(uint256)\":{\"details\":\"See {IMarketplace-buyWithETH}. Requirements: - `_tokenId` product must be selling on market place - must be approved first - send value ETH equal price of product - caller can not be owner of `_tokenId`\"},\"constructor\":{\"details\":\"Sets the values for {art}. This value can be immutable: they can only be set once during construction.\"},\"createNewProduct(string,string,uint256)\":{\"details\":\"See {IMarketplace-createNewProduct}. Emits an {Transfer} event indicating the successful NFT generation Requirements: - `_hashImg` use only once.\"},\"getOffer(uint256,uint256)\":{\"details\":\"See {IMarketplace-getOffer}.\"},\"getProducListOwnable(address)\":{\"details\":\"See {IMarketplace-getProducListOwnable}.\"},\"getProductListCreated(address)\":{\"details\":\"See {IMarketplace-getProductListCreated}.\"},\"offer(uint256,uint256,address,uint256)\":{\"details\":\"See {IMarketplace-offer}. Emits an {NewOffer} event indicating the successful NewOffer generation Requirements: - `_tokenId`'s owner  must be selling on market place - `_token20` address can not address zero - caller must approve `_amount` token erc20 for this contract - `_timeout` must be time in the future\"},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"restartOffer(uint256,uint256,uint256)\":{\"details\":\"See {IMarketplace-restartOffer}. Requirements: - `_tokenId`'s owner  must be selling on market place - caller must be creator of offer - `_timeout` must be time in the future\"},\"setArtAddr(address)\":{\"details\":\"See {IMarketplace-setArtAddr}. Requirements: - `_artAddr` cannot be the zero address. - Only owner have right to call this function.\"},\"setListOrNot(uint256)\":{\"details\":\"See {IMarketplace-setListOrNot}.\"},\"setPrice(uint256,uint256)\":{\"details\":\"See {IMarketplace-setPrice}. Requirements: - Only owner of `_tokenId` can call this function.\"},\"setSellOrNot(uint256)\":{\"details\":\"See {IMarketplace-setSellOrNot}.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/MarketPlace.sol\":\"MarketPlace\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/Ownable.sol\":{\"keccak256\":\"0x6bb804a310218875e89d12c053e94a13a4607cdf7cc2052f3e52bd32a0dc50a1\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b2ebbbe6d0011175bd9e7268b83de3f9c2f9d8d4cbfbaef12aff977d7d727163\",\"dweb:/ipfs/Qmd5c7Vxtis9wzkDNhxwc6A2QT5H9xn9kfjhx7qx44vpro\"]},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x027b891937d20ccf213fdb9c31531574256de774bda99d3a70ecef6e1913ed2a\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://087318b21c528119f649899f5b5580566dd8d7b0303d4904bd0e8580c3545f14\",\"dweb:/ipfs/Qmbn5Mj7aUn8hJuQ8VrQjjEXRsXyJKykgnjR9p4C3nfLtL\"]},\"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\":{\"keccak256\":\"0x02348b2e4b9f3200c7e3907c5c2661643a6d8520e9f79939fbb9b4005a54894d\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d41d627f4ef9c6006df8c2d01227d3cf4a6c3359b5704c629d88933272eecadd\",\"dweb:/ipfs/QmYDo7MvMsvuDxuJZ9RC9zFganS3Tm8RYzSmBP5qSmJfuY\"]},\"@openzeppelin/contracts/token/ERC721/ERC721.sol\":{\"keccak256\":\"0x7d2b8ba4b256bfcac347991b75242f9bc37f499c5236af50cf09d0b35943dc0c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d8eeaf6afe00229af4c232ca058bb08b7a24cc3886f0b387159ac49ffd8b5312\",\"dweb:/ipfs/QmdnVKmDDWDvdRr6vtrxy3G6WafqA2TAhUZv1UFMsm4B4r\"]},\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0xf101e8720213560fab41104d53b3cc7ba0456ef3a98455aa7f022391783144a0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3e7820bcf567e6892d937c3cb10db263a4042e446799bca602535868d822384e\",\"dweb:/ipfs/QmPG2oeDjKncqsEeyYGjAN7CwAJmMgHterXGGnpzhha4z7\"]},\"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\":{\"keccak256\":\"0xd9517254724276e2e8de3769183c1f738f445f0095c26fd9b86d3c6687e887b9\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://0e604bcdcd5e5b2fb299ad09769cde6db19d5aa1929d1b5e939234a0f10d7eb8\",\"dweb:/ipfs/Qmd8hXE3GZfBHuWx3RNiYgFW2ci7KvHtib8DiwzJ2dgo9V\"]},\"@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol\":{\"keccak256\":\"0x188d038a65a945481cc13fe30db334472dfbed61f7959d4478d05feb6303b1ea\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7aec4efa22389811ffa393463569410bbca1ecaa551bc94d69020bc9567e9277\",\"dweb:/ipfs/QmPwk5uVSHPQkepebrZSQ9xqgXdPABKqHwJZ2HkzNByLRE\"]},\"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\":{\"keccak256\":\"0xd32fb7f530a914b1083d10a6bed3a586f2451952fec04fe542bcc670a82f7ba5\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://af63ab940a34687c45f0ad84960b048fc5f49330c92ccb422db7822a444733b9\",\"dweb:/ipfs/QmUShaQEu8HS1GjDnsMJQ8jkZEBrecn6NuDZ3pfjY1gVck\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0x3336baae5cf23e94274d75336e2d412193be508504aee185e61dc7d58cd05c8a\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://39a05eec7083dfa0cc7e0cbfe6cd1bd085a340af1ede93fdff3ad047c5fb3d8e\",\"dweb:/ipfs/QmVApz5fCUq2QC8gKTsNNdCmcedJ3ETHp68zR5N3WUKS4r\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x90565a39ae45c80f0468dc96c7b20d0afc3055f344c8203a0c9258239f350b9f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://26e8b38a7ac8e7b4463af00cf7fff1bf48ae9875765bf4f7751e100124d0bc8c\",\"dweb:/ipfs/QmWcsmkVr24xmmjfnBQZoemFniXjj3vwT78Cz6uqZW1Hux\"]},\"@openzeppelin/contracts/utils/Counters.sol\":{\"keccak256\":\"0x78450f4e3b722cce467b21e285f72ce5eaf361e9ba9dd2241a413926246773cd\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://f103065051300cd995fd4599ba91188d4071b92175b52f26110e02db091617c0\",\"dweb:/ipfs/QmSyDz67R2HCypDE8Pacn3voVwxw9x17NM66q47YgBnGqc\"]},\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0x391d3ba97ab6856a16b225d6ee29617ad15ff00db70f3b4df1ab5ea33aa47c9d\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d636ba90bbbeed04a1ea7fe9ec2466757e30fd38ba2ca173636dbf69a518735e\",\"dweb:/ipfs/QmQwCB2BHnEuYR22PYt9HkpbgeFDhq4rHmaYqAZbX3WRC7\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0x5718c5df9bd67ac68a796961df938821bb5dc0cd4c6118d77e9145afb187409b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d10e1d9b26042424789246603906ad06143bf9a928f4e99de8b5e3bdc662f549\",\"dweb:/ipfs/Qmejonoaj5MLekPus229rJQHcC6E9dz2xorjHJR84fMfmn\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0xa28007762d9da9db878dd421960c8cb9a10471f47ab5c1b3309bfe48e9e79ff4\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://796ab6e88af7bf0e78def0f059310c903af6a312b565344e0ff524a0f26e81c6\",\"dweb:/ipfs/QmcsVgLgzWdor3UnAztUkXKNGcysm1MPneWksF72AvnwBx\"]},\"project:/contracts/Art.sol\":{\"keccak256\":\"0x69481dbecbbdd20005e6311141cdec669f0e9ce0a7dd112f128d70cbf19f0948\",\"license\":\"UNLICENSED\",\"urls\":[\"bzz-raw://072708cce753e29a873feed688d81d2942a4a393533b5a7b6f53e3d51e4033a4\",\"dweb:/ipfs/QmZQoG1csUbvzm1ma5J8J7f5mPEXiUTGyndNvZXLxPiYVk\"]},\"project:/contracts/MarketPlace.sol\":{\"keccak256\":\"0x4efe0a7cf80c8895d5f220675f56022b86793b48ccf655a6b0d30248fab32b0a\",\"license\":\"UNLICENSED\",\"urls\":[\"bzz-raw://8ff2e945629738b90cb6d36b0ec448d7ac4540450a79b8d8cd360f2ff048f97c\",\"dweb:/ipfs/QmQq69aoAfnHr4qxdLKrx8YR36rfxNUKvGWTARNVHgHgyv\"]},\"project:/contracts/interfaces/IMarketPlace.sol\":{\"keccak256\":\"0x68a394d9aec61390ebf9c61bf6d5e8e55ee70a9de90eef8adb0ba5d4c5b1aa27\",\"license\":\"UNLICENSED\",\"urls\":[\"bzz-raw://ff31bcfd56c69795a637b8aec56e3cdf9642e6a00d8895919d44e7f7e486a476\",\"dweb:/ipfs/QmWN8eD9C7sLZ8yrgkjXwtfL6rEZ5SXZEXq3jHRPmUdBMJ\"]}},\"version\":1}",
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      "contents": "{\n\n    // uint256[]\n    function abi_decode_available_length_t_array$_t_uint256_$dyn_memory_ptr_fromMemory(offset, length, end) -> array {\n        array := allocateMemory(array_allocation_size_t_array$_t_uint256_$dyn_memory_ptr(length))\n        let dst := array\n        mstore(array, length) dst := add(array, 0x20)\n        let src := offset\n        if gt(add(src, mul(length, 0x20)), end) { revert(0, 0) }\n        for { let i := 0 } lt(i, length) { i := add(i, 1) }\n        {\n            let elementPos := src\n            mstore(dst, abi_decode_t_uint256_fromMemory(elementPos, end))\n            dst := add(dst, 0x20)\n            src := add(src, 0x20)\n        }\n    }\n\n    function abi_decode_available_length_t_string_memory_ptr(src, length, end) -> array {\n        array := allocateMemory(array_allocation_size_t_string_memory_ptr(length))\n        mstore(array, length)\n        let dst := add(array, 0x20)\n        if gt(add(src, length), end) { revert(0, 0) }\n        copy_calldata_to_memory(src, dst, length)\n    }\n\n    function abi_decode_t_address(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_address(value)\n    }\n\n    function abi_decode_t_address_fromMemory(offset, end) -> value {\n        value := mload(offset)\n        validator_revert_t_address(value)\n    }\n\n    // uint256[]\n    function abi_decode_t_array$_t_uint256_$dyn_memory_ptr_fromMemory(offset, end) -> array {\n        if iszero(slt(add(offset, 0x1f), end)) { revert(0, 0) }\n        let length := mload(offset)\n        array := abi_decode_available_length_t_array$_t_uint256_$dyn_memory_ptr_fromMemory(add(offset, 0x20), length, end)\n    }\n\n    function abi_decode_t_bool_fromMemory(offset, end) -> value {\n        value := mload(offset)\n        validator_revert_t_bool(value)\n    }\n\n    // string\n    function abi_decode_t_string_memory_ptr(offset, end) -> array {\n        if iszero(slt(add(offset, 0x1f), end)) { revert(0, 0) }\n        let length := calldataload(offset)\n        array := abi_decode_available_length_t_string_memory_ptr(add(offset, 0x20), length, end)\n    }\n\n    function abi_decode_t_uint256(offset, end) -> value {\n        value := calldataload(offset)\n        validator_revert_t_uint256(value)\n    }\n\n    function abi_decode_t_uint256_fromMemory(offset, end) -> value {\n        value := mload(offset)\n        validator_revert_t_uint256(value)\n    }\n\n    function abi_decode_tuple_t_address(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_address_fromMemory(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_addresst_uint256(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_array$_t_uint256_$dyn_memory_ptr_fromMemory(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := mload(add(headStart, 0))\n            if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n\n            value0 := abi_decode_t_array$_t_uint256_$dyn_memory_ptr_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_bool_fromMemory(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_bool_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_string_memory_ptr(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := calldataload(add(headStart, 0))\n            if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n\n            value0 := abi_decode_t_string_memory_ptr(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_string_memory_ptrt_string_memory_ptrt_uint256(headStart, dataEnd) -> value0, value1, value2 {\n        if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n\n        {\n\n            let offset := calldataload(add(headStart, 0))\n            if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n\n            value0 := abi_decode_t_string_memory_ptr(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := calldataload(add(headStart, 32))\n            if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n\n            value1 := abi_decode_t_string_memory_ptr(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 64\n\n            value2 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_uint256(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_uint256_fromMemory(headStart, dataEnd) -> value0 {\n        if slt(sub(dataEnd, headStart), 32) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_uint256_fromMemory(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_uint256t_string_memory_ptr(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := calldataload(add(headStart, 32))\n            if gt(offset, 0xffffffffffffffff) { revert(0, 0) }\n\n            value1 := abi_decode_t_string_memory_ptr(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_uint256t_uint256(headStart, dataEnd) -> value0, value1 {\n        if slt(sub(dataEnd, headStart), 64) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_uint256t_uint256t_addresst_uint256(headStart, dataEnd) -> value0, value1, value2, value3 {\n        if slt(sub(dataEnd, headStart), 128) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 64\n\n            value2 := abi_decode_t_address(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 96\n\n            value3 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_decode_tuple_t_uint256t_uint256t_uint256(headStart, dataEnd) -> value0, value1, value2 {\n        if slt(sub(dataEnd, headStart), 96) { revert(0, 0) }\n\n        {\n\n            let offset := 0\n\n            value0 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 32\n\n            value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n        {\n\n            let offset := 64\n\n            value2 := abi_decode_t_uint256(add(headStart, offset), dataEnd)\n        }\n\n    }\n\n    function abi_encodeUpdatedPos_t_struct$_Offer_$3325_memory_ptr_to_t_struct$_Offer_$3325_memory_ptr(value0, pos) -> updatedPos {\n        abi_encode_t_struct$_Offer_$3325_memory_ptr_to_t_struct$_Offer_$3325_memory_ptr(value0, pos)\n        updatedPos := add(pos, 0xc0)\n    }\n\n    function abi_encodeUpdatedPos_t_struct$_Product_$3312_memory_ptr_to_t_struct$_Product_$3312_memory_ptr(value0, pos) -> updatedPos {\n        abi_encode_t_struct$_Product_$3312_memory_ptr_to_t_struct$_Product_$3312_memory_ptr(value0, pos)\n        updatedPos := add(pos, 0xe0)\n    }\n\n    function abi_encode_t_address_to_t_address(value, pos) {\n        mstore(pos, cleanup_t_address(value))\n    }\n\n    function abi_encode_t_address_to_t_address_fromStack(value, pos) {\n        mstore(pos, cleanup_t_address(value))\n    }\n\n    // struct IMarketPlace.Offer[] -> struct IMarketPlace.Offer[]\n    function abi_encode_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr_to_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr_fromStack(value, pos)  -> end  {\n        let length := array_length_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr(value)\n        pos := array_storeLengthForEncoding_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr_fromStack(pos, length)\n        let baseRef := array_dataslot_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr(value)\n        let srcPtr := baseRef\n        for { let i := 0 } lt(i, length) { i := add(i, 1) }\n        {\n            let elementValue0 := mload(srcPtr)\n            pos := abi_encodeUpdatedPos_t_struct$_Offer_$3325_memory_ptr_to_t_struct$_Offer_$3325_memory_ptr(elementValue0, pos)\n            srcPtr := array_nextElement_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr(srcPtr)\n        }\n        end := pos\n    }\n\n    // struct IMarketPlace.Product[] -> struct IMarketPlace.Product[]\n    function abi_encode_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr_to_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr_fromStack(value, pos)  -> end  {\n        let length := array_length_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr(value)\n        pos := array_storeLengthForEncoding_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr_fromStack(pos, length)\n        let baseRef := array_dataslot_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr(value)\n        let srcPtr := baseRef\n        for { let i := 0 } lt(i, length) { i := add(i, 1) }\n        {\n            let elementValue0 := mload(srcPtr)\n            pos := abi_encodeUpdatedPos_t_struct$_Product_$3312_memory_ptr_to_t_struct$_Product_$3312_memory_ptr(elementValue0, pos)\n            srcPtr := array_nextElement_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr(srcPtr)\n        }\n        end := pos\n    }\n\n    function abi_encode_t_bool_to_t_bool(value, pos) {\n        mstore(pos, cleanup_t_bool(value))\n    }\n\n    function abi_encode_t_bool_to_t_bool_fromStack(value, pos) {\n        mstore(pos, cleanup_t_bool(value))\n    }\n\n    function abi_encode_t_bytes_memory_ptr_to_t_bytes_memory_ptr_nonPadded_inplace_fromStack(value, pos) -> end {\n        let length := array_length_t_bytes_memory_ptr(value)\n        pos := array_storeLengthForEncoding_t_bytes_memory_ptr_nonPadded_inplace_fromStack(pos, length)\n        copy_memory_to_memory(add(value, 0x20), pos, length)\n        end := add(pos, length)\n    }\n\n    function abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value, pos) -> end {\n        let length := array_length_t_string_memory_ptr(value)\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length)\n        copy_memory_to_memory(add(value, 0x20), pos, length)\n        end := add(pos, round_up_to_mul_of_32(length))\n    }\n\n    function abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_nonPadded_inplace_fromStack(value, pos) -> end {\n        let length := array_length_t_string_memory_ptr(value)\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_nonPadded_inplace_fromStack(pos, length)\n        copy_memory_to_memory(add(value, 0x20), pos, length)\n        end := add(pos, length)\n    }\n\n    function abi_encode_t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 38)\n\n        mstore(add(pos, 0), \"Ownable: new owner is the zero a\")\n\n        mstore(add(pos, 32), \"ddress\")\n\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 58)\n\n        mstore(add(pos, 0), \"Address: unable to send value, r\")\n\n        mstore(add(pos, 32), \"ecipient may have reverted\")\n\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_5597a22abd0ef5332f8053862eb236db7590f17e2b93a53f63a103becfb561f9_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 29)\n\n        mstore(add(pos, 0), \"Address: insufficient balance\")\n\n        end := add(pos, 32)\n    }\n\n    function abi_encode_t_stringliteral_565f1a77334fc4792800921178c71e4521acffab18ff9e7885b49377ee80ab4c_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 38)\n\n        mstore(add(pos, 0), \"Address: insufficient balance fo\")\n\n        mstore(add(pos, 32), \"r call\")\n\n        end := add(pos, 64)\n    }\n\n    function abi_encode_t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 32)\n\n        mstore(add(pos, 0), \"Ownable: caller is not the owner\")\n\n        end := add(pos, 32)\n    }\n\n    function abi_encode_t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470_to_t_bytes_memory_ptr_nonPadded_inplace_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_bytes_memory_ptr_nonPadded_inplace_fromStack(pos, 0)\n\n        end := add(pos, 0)\n    }\n\n    function abi_encode_t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 0)\n\n        end := add(pos, 0)\n    }\n\n    function abi_encode_t_stringliteral_cc2e4e38850b7c0a3e942cfed89b71c77302df25bcb2ec297a0c4ff9ff6b90ad_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 29)\n\n        mstore(add(pos, 0), \"Address: call to non-contract\")\n\n        end := add(pos, 32)\n    }\n\n    function abi_encode_t_stringliteral_e11ad79d1e4a7f2e5f376964cb99e8e8f7904e3fc16a109f7a7ecb9aa7956dcd_to_t_string_memory_ptr_fromStack(pos) -> end {\n        pos := array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, 42)\n\n        mstore(add(pos, 0), \"SafeERC20: ERC20 operation did n\")\n\n        mstore(add(pos, 32), \"ot succeed\")\n\n        end := add(pos, 64)\n    }\n\n    // struct IMarketPlace.Offer -> struct IMarketPlace.Offer\n    function abi_encode_t_struct$_Offer_$3325_memory_ptr_to_t_struct$_Offer_$3325_memory_ptr(value, pos)  {\n        let tail := add(pos, 0xc0)\n\n        {\n            // tokenId\n\n            let memberValue0 := mload(add(value, 0x00))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0x00))\n        }\n\n        {\n            // amount\n\n            let memberValue0 := mload(add(value, 0x20))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0x20))\n        }\n\n        {\n            // token20\n\n            let memberValue0 := mload(add(value, 0x40))\n            abi_encode_t_address_to_t_address(memberValue0, add(pos, 0x40))\n        }\n\n        {\n            // bargainer\n\n            let memberValue0 := mload(add(value, 0x60))\n            abi_encode_t_address_to_t_address(memberValue0, add(pos, 0x60))\n        }\n\n        {\n            // accepted\n\n            let memberValue0 := mload(add(value, 0x80))\n            abi_encode_t_bool_to_t_bool(memberValue0, add(pos, 0x80))\n        }\n\n        {\n            // timeout\n\n            let memberValue0 := mload(add(value, 0xa0))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0xa0))\n        }\n\n    }\n\n    // struct IMarketPlace.Offer -> struct IMarketPlace.Offer\n    function abi_encode_t_struct$_Offer_$3325_memory_ptr_to_t_struct$_Offer_$3325_memory_ptr_fromStack(value, pos)  {\n        let tail := add(pos, 0xc0)\n\n        {\n            // tokenId\n\n            let memberValue0 := mload(add(value, 0x00))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0x00))\n        }\n\n        {\n            // amount\n\n            let memberValue0 := mload(add(value, 0x20))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0x20))\n        }\n\n        {\n            // token20\n\n            let memberValue0 := mload(add(value, 0x40))\n            abi_encode_t_address_to_t_address(memberValue0, add(pos, 0x40))\n        }\n\n        {\n            // bargainer\n\n            let memberValue0 := mload(add(value, 0x60))\n            abi_encode_t_address_to_t_address(memberValue0, add(pos, 0x60))\n        }\n\n        {\n            // accepted\n\n            let memberValue0 := mload(add(value, 0x80))\n            abi_encode_t_bool_to_t_bool(memberValue0, add(pos, 0x80))\n        }\n\n        {\n            // timeout\n\n            let memberValue0 := mload(add(value, 0xa0))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0xa0))\n        }\n\n    }\n\n    // struct IMarketPlace.Product -> struct IMarketPlace.Product\n    function abi_encode_t_struct$_Product_$3312_memory_ptr_to_t_struct$_Product_$3312_memory_ptr(value, pos)  {\n        let tail := add(pos, 0xe0)\n\n        {\n            // tokenId\n\n            let memberValue0 := mload(add(value, 0x00))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0x00))\n        }\n\n        {\n            // price\n\n            let memberValue0 := mload(add(value, 0x20))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0x20))\n        }\n\n        {\n            // listing\n\n            let memberValue0 := mload(add(value, 0x40))\n            abi_encode_t_bool_to_t_bool(memberValue0, add(pos, 0x40))\n        }\n\n        {\n            // selling\n\n            let memberValue0 := mload(add(value, 0x60))\n            abi_encode_t_bool_to_t_bool(memberValue0, add(pos, 0x60))\n        }\n\n        {\n            // creator\n\n            let memberValue0 := mload(add(value, 0x80))\n            abi_encode_t_address_to_t_address(memberValue0, add(pos, 0x80))\n        }\n\n        {\n            // rate\n\n            let memberValue0 := mload(add(value, 0xa0))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0xa0))\n        }\n\n        {\n            // timestamp\n\n            let memberValue0 := mload(add(value, 0xc0))\n            abi_encode_t_uint256_to_t_uint256(memberValue0, add(pos, 0xc0))\n        }\n\n    }\n\n    function abi_encode_t_uint256_to_t_uint256(value, pos) {\n        mstore(pos, cleanup_t_uint256(value))\n    }\n\n    function abi_encode_t_uint256_to_t_uint256_fromStack(value, pos) {\n        mstore(pos, cleanup_t_uint256(value))\n    }\n\n    function abi_encode_tuple_packed_t_bytes_memory_ptr__to_t_bytes_memory_ptr__nonPadded_inplace_fromStack_reversed(pos , value0) -> end {\n\n        pos := abi_encode_t_bytes_memory_ptr_to_t_bytes_memory_ptr_nonPadded_inplace_fromStack(value0,  pos)\n\n        end := pos\n    }\n\n    function abi_encode_tuple_packed_t_string_memory_ptr__to_t_string_memory_ptr__nonPadded_inplace_fromStack_reversed(pos , value0) -> end {\n\n        pos := abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_nonPadded_inplace_fromStack(value0,  pos)\n\n        end := pos\n    }\n\n    function abi_encode_tuple_packed_t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470__to_t_bytes_memory_ptr__nonPadded_inplace_fromStack_reversed(pos ) -> end {\n\n        pos := abi_encode_t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470_to_t_bytes_memory_ptr_nonPadded_inplace_fromStack( pos)\n\n        end := pos\n    }\n\n    function abi_encode_tuple_t_address__to_t_address__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_address_t_address__to_t_address_t_address__fromStack_reversed(headStart , value1, value0) -> tail {\n        tail := add(headStart, 64)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_address_to_t_address_fromStack(value1,  add(headStart, 32))\n\n    }\n\n    function abi_encode_tuple_t_address_t_address_t_uint256__to_t_address_t_address_t_uint256__fromStack_reversed(headStart , value2, value1, value0) -> tail {\n        tail := add(headStart, 96)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_address_to_t_address_fromStack(value1,  add(headStart, 32))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value2,  add(headStart, 64))\n\n    }\n\n    function abi_encode_tuple_t_address_t_string_memory_ptr__to_t_address_t_string_memory_ptr__fromStack_reversed(headStart , value1, value0) -> tail {\n        tail := add(headStart, 64)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        mstore(add(headStart, 32), sub(tail, headStart))\n        tail := abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value1,  tail)\n\n    }\n\n    function abi_encode_tuple_t_address_t_uint256__to_t_address_t_uint256__fromStack_reversed(headStart , value1, value0) -> tail {\n        tail := add(headStart, 64)\n\n        abi_encode_t_address_to_t_address_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value1,  add(headStart, 32))\n\n    }\n\n    function abi_encode_tuple_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr__to_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr_to_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr_fromStack(value0,  tail)\n\n    }\n\n    function abi_encode_tuple_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr__to_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr_to_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr_fromStack(value0,  tail)\n\n    }\n\n    function abi_encode_tuple_t_bool__to_t_bool__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_bool_to_t_bool_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_string_memory_ptr__to_t_string_memory_ptr__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_string_memory_ptr_to_t_string_memory_ptr_fromStack(value0,  tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_5597a22abd0ef5332f8053862eb236db7590f17e2b93a53f63a103becfb561f9__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_5597a22abd0ef5332f8053862eb236db7590f17e2b93a53f63a103becfb561f9_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_565f1a77334fc4792800921178c71e4521acffab18ff9e7885b49377ee80ab4c__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_565f1a77334fc4792800921178c71e4521acffab18ff9e7885b49377ee80ab4c_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_cc2e4e38850b7c0a3e942cfed89b71c77302df25bcb2ec297a0c4ff9ff6b90ad__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_cc2e4e38850b7c0a3e942cfed89b71c77302df25bcb2ec297a0c4ff9ff6b90ad_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_stringliteral_e11ad79d1e4a7f2e5f376964cb99e8e8f7904e3fc16a109f7a7ecb9aa7956dcd__to_t_string_memory_ptr__fromStack_reversed(headStart ) -> tail {\n        tail := add(headStart, 32)\n\n        mstore(add(headStart, 0), sub(tail, headStart))\n        tail := abi_encode_t_stringliteral_e11ad79d1e4a7f2e5f376964cb99e8e8f7904e3fc16a109f7a7ecb9aa7956dcd_to_t_string_memory_ptr_fromStack( tail)\n\n    }\n\n    function abi_encode_tuple_t_struct$_Offer_$3325_memory_ptr__to_t_struct$_Offer_$3325_memory_ptr__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 192)\n\n        abi_encode_t_struct$_Offer_$3325_memory_ptr_to_t_struct$_Offer_$3325_memory_ptr_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed(headStart , value0) -> tail {\n        tail := add(headStart, 32)\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value0,  add(headStart, 0))\n\n    }\n\n    function abi_encode_tuple_t_uint256_t_address_t_uint256__to_t_uint256_t_address_t_uint256__fromStack_reversed(headStart , value2, value1, value0) -> tail {\n        tail := add(headStart, 96)\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_address_to_t_address_fromStack(value1,  add(headStart, 32))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value2,  add(headStart, 64))\n\n    }\n\n    function abi_encode_tuple_t_uint256_t_uint256_t_address_t_address_t_bool_t_uint256__to_t_uint256_t_uint256_t_address_t_address_t_bool_t_uint256__fromStack_reversed(headStart , value5, value4, value3, value2, value1, value0) -> tail {\n        tail := add(headStart, 192)\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value1,  add(headStart, 32))\n\n        abi_encode_t_address_to_t_address_fromStack(value2,  add(headStart, 64))\n\n        abi_encode_t_address_to_t_address_fromStack(value3,  add(headStart, 96))\n\n        abi_encode_t_bool_to_t_bool_fromStack(value4,  add(headStart, 128))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value5,  add(headStart, 160))\n\n    }\n\n    function abi_encode_tuple_t_uint256_t_uint256_t_bool_t_bool_t_address_t_uint256_t_uint256__to_t_uint256_t_uint256_t_bool_t_bool_t_address_t_uint256_t_uint256__fromStack_reversed(headStart , value6, value5, value4, value3, value2, value1, value0) -> tail {\n        tail := add(headStart, 224)\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value0,  add(headStart, 0))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value1,  add(headStart, 32))\n\n        abi_encode_t_bool_to_t_bool_fromStack(value2,  add(headStart, 64))\n\n        abi_encode_t_bool_to_t_bool_fromStack(value3,  add(headStart, 96))\n\n        abi_encode_t_address_to_t_address_fromStack(value4,  add(headStart, 128))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value5,  add(headStart, 160))\n\n        abi_encode_t_uint256_to_t_uint256_fromStack(value6,  add(headStart, 192))\n\n    }\n\n    function allocateMemory(size) -> memPtr {\n        memPtr := mload(64)\n        let newFreePtr := add(memPtr, size)\n        // protect against overflow\n        if or(gt(newFreePtr, 0xffffffffffffffff), lt(newFreePtr, memPtr)) { panic_error_0x41() }\n        mstore(64, newFreePtr)\n    }\n\n    function array_allocation_size_t_array$_t_uint256_$dyn_memory_ptr(length) -> size {\n        // Make sure we can allocate memory without overflow\n        if gt(length, 0xffffffffffffffff) { panic_error_0x41() }\n\n        size := mul(length, 0x20)\n\n        // add length slot\n        size := add(size, 0x20)\n\n    }\n\n    function array_allocation_size_t_string_memory_ptr(length) -> size {\n        // Make sure we can allocate memory without overflow\n        if gt(length, 0xffffffffffffffff) { panic_error_0x41() }\n\n        // round up\n        size := and(add(length, 0x1f), not(0x1f))\n\n        // add length slot\n        size := add(size, 0x20)\n\n    }\n\n    function array_dataslot_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr(ptr) -> data {\n        data := ptr\n\n        data := add(ptr, 0x20)\n\n    }\n\n    function array_dataslot_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr(ptr) -> data {\n        data := ptr\n\n        data := add(ptr, 0x20)\n\n    }\n\n    function array_length_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr(value) -> length {\n\n        length := mload(value)\n\n    }\n\n    function array_length_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr(value) -> length {\n\n        length := mload(value)\n\n    }\n\n    function array_length_t_bytes_memory_ptr(value) -> length {\n\n        length := mload(value)\n\n    }\n\n    function array_length_t_string_memory_ptr(value) -> length {\n\n        length := mload(value)\n\n    }\n\n    function array_nextElement_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr(ptr) -> next {\n        next := add(ptr, 0x20)\n    }\n\n    function array_nextElement_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr(ptr) -> next {\n        next := add(ptr, 0x20)\n    }\n\n    function array_storeLengthForEncoding_t_array$_t_struct$_Offer_$3325_memory_ptr_$dyn_memory_ptr_fromStack(pos, length) -> updated_pos {\n        mstore(pos, length)\n        updated_pos := add(pos, 0x20)\n    }\n\n    function array_storeLengthForEncoding_t_array$_t_struct$_Product_$3312_memory_ptr_$dyn_memory_ptr_fromStack(pos, length) -> updated_pos {\n        mstore(pos, length)\n        updated_pos := add(pos, 0x20)\n    }\n\n    function array_storeLengthForEncoding_t_bytes_memory_ptr_nonPadded_inplace_fromStack(pos, length) -> updated_pos {\n        updated_pos := pos\n    }\n\n    function array_storeLengthForEncoding_t_string_memory_ptr_fromStack(pos, length) -> updated_pos {\n        mstore(pos, length)\n        updated_pos := add(pos, 0x20)\n    }\n\n    function array_storeLengthForEncoding_t_string_memory_ptr_nonPadded_inplace_fromStack(pos, length) -> updated_pos {\n        updated_pos := pos\n    }\n\n    function checked_add_t_uint256(x, y) -> sum {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n\n        // overflow, if x > (maxValue - y)\n        if gt(x, sub(0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, y)) { panic_error_0x11() }\n\n        sum := add(x, y)\n    }\n\n    function checked_div_t_uint256(x, y) -> r {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n        if iszero(y) { panic_error_0x12() }\n\n        r := div(x, y)\n    }\n\n    function checked_mul_t_uint256(x, y) -> product {\n        x := cleanup_t_uint256(x)\n        y := cleanup_t_uint256(y)\n\n        // overflow, if x != 0 and y > (maxValue / x)\n        if and(iszero(iszero(x)), gt(y, div(0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, x))) { panic_error_0x11() }\n\n        product := mul(x, y)\n    }\n\n    function cleanup_t_address(value) -> cleaned {\n        cleaned := cleanup_t_uint160(value)\n    }\n\n    function cleanup_t_bool(value) -> cleaned {\n        cleaned := iszero(iszero(value))\n    }\n\n    function cleanup_t_uint160(value) -> cleaned {\n        cleaned := and(value, 0xffffffffffffffffffffffffffffffffffffffff)\n    }\n\n    function cleanup_t_uint256(value) -> cleaned {\n        cleaned := value\n    }\n\n    function copy_calldata_to_memory(src, dst, length) {\n        calldatacopy(dst, src, length)\n        // clear end\n        mstore(add(dst, length), 0)\n    }\n\n    function copy_memory_to_memory(src, dst, length) {\n        let i := 0\n        for { } lt(i, length) { i := add(i, 32) }\n        {\n            mstore(add(dst, i), mload(add(src, i)))\n        }\n        if gt(i, length)\n        {\n            // clear end\n            mstore(add(dst, length), 0)\n        }\n    }\n\n    function increment_t_uint256(value) -> ret {\n        value := cleanup_t_uint256(value)\n        if eq(value, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) { panic_error_0x11() }\n        ret := add(value, 1)\n    }\n\n    function panic_error_0x11() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x11)\n        revert(0, 0x24)\n    }\n\n    function panic_error_0x12() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x12)\n        revert(0, 0x24)\n    }\n\n    function panic_error_0x41() {\n        mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)\n        mstore(4, 0x41)\n        revert(0, 0x24)\n    }\n\n    function round_up_to_mul_of_32(value) -> result {\n        result := and(add(value, 31), not(31))\n    }\n\n    function validator_revert_t_address(value) {\n        if iszero(eq(value, cleanup_t_address(value))) { revert(0, 0) }\n    }\n\n    function validator_revert_t_bool(value) {\n        if iszero(eq(value, cleanup_t_bool(value))) { revert(0, 0) }\n    }\n\n    function validator_revert_t_uint256(value) {\n        if iszero(eq(value, cleanup_t_uint256(value))) { revert(0, 0) }\n    }\n\n}\n",
      "id": 23,
      "language": "Yul",
      "name": "#utility.yul"
    }
  ],
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  "source": "// SPDX-License-Identifier: UNLICENSED\r\npragma solidity ^0.8.0;\r\n\r\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\r\nimport \"@openzeppelin/contracts/utils/Address.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\r\nimport \"./Art.sol\";\r\nimport \"./interfaces/IMarketPlace.sol\";\r\n\r\ncontract MarketPlace is Ownable, IMarketPlace {\r\n    using SafeERC20 for IERC20;\r\n\r\n    Art art;\r\n\r\n    address[] public sellers;\r\n    mapping(uint256 => Product) public tokenIdToProduct;\r\n    mapping(address => Product[]) public userToProduct; //creator anf their product\r\n    mapping(uint256 => Offer[]) public tokenIdToOffer;\r\n    mapping(string => bool) public checkTransactionId;\r\n    mapping(string => bool) public imageExisted;\r\n\r\n    modifier onlyOwnerOfToken(uint256 _tokenId) {\r\n        require(art.ownerOf(_tokenId) == msg.sender);\r\n        _;\r\n    }\r\n\r\n    /**\r\n     * @dev Sets the values for {art}.\r\n     *\r\n     * This value can be immutable: they can only be set once during\r\n     * construction.\r\n     */\r\n    constructor(address _artAddr) {\r\n        art = Art(_artAddr);\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-setArtAddr}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `_artAddr` cannot be the zero address.\r\n     * - Only owner have right to call this function.\r\n     */\r\n    function setArtAddr(address _artAddr) public override onlyOwner {\r\n        require(_artAddr != address(0));\r\n        art = Art(_artAddr);\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-createNewProduct}.\r\n     *\r\n     * Emits an {Transfer} event indicating the successful NFT generation\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `_hashImg` use only once.\r\n     */\r\n    function createNewProduct(\r\n        string memory _hashInfo,\r\n        string memory _hashImg,\r\n        uint256 _price\r\n    ) public override {\r\n        require(!imageExisted[_hashImg], \"\");\r\n        uint256 _tokenId = art.createNewNFT(msg.sender, _hashInfo);\r\n        sellers.push(msg.sender);\r\n        imageExisted[_hashImg] = true;\r\n        Product memory product = Product(\r\n            _tokenId,\r\n            _price,\r\n            true,\r\n            true,\r\n            msg.sender,\r\n            0,\r\n            block.timestamp\r\n        );\r\n        userToProduct[msg.sender].push(product);\r\n        tokenIdToProduct[_tokenId] = product;\r\n        // art.approve(address(this), _tokenId);\r\n        emit Transfer(_tokenId, address(0), msg.sender);\r\n    } //goi kem approve\r\n\r\n    /**\r\n     * @dev See {IMarketplace-setListOrNot}.\r\n     */\r\n    function setListOrNot(uint256 _tokenId)\r\n        public\r\n        override\r\n        onlyOwnerOfToken(_tokenId)\r\n    {\r\n        Product storage product = tokenIdToProduct[_tokenId];\r\n        product.listing = !product.listing;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-setSellOrNot}.\r\n     */\r\n    //neu tu false sang true thi phai goi kem approve\r\n    function setSellOrNot(uint256 _tokenId)\r\n        public\r\n        override\r\n        onlyOwnerOfToken(_tokenId)\r\n    {\r\n        Product storage product = tokenIdToProduct[_tokenId];\r\n        product.selling = !product.selling;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-setPrice}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Only owner of `_tokenId` can call this function.\r\n     */\r\n    function setPrice(uint256 _tokenId, uint256 _price)\r\n        public\r\n        override\r\n        onlyOwnerOfToken(_tokenId)\r\n    {\r\n        Product storage product = tokenIdToProduct[_tokenId];\r\n        product.price = _price;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-getProductListCreated}.\r\n     */\r\n    function getProductListCreated(address _user)\r\n        public\r\n        view\r\n        override\r\n        returns (Product[] memory)\r\n    {\r\n        return userToProduct[_user];\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-buyWithETH}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `_tokenId` product must be selling on market place\r\n     * - must be approved first\r\n     * - send value ETH equal price of product\r\n     * - caller can not be owner of `_tokenId`\r\n     */\r\n    //Phai approve truoc\r\n    function buyWithETH(uint256 _tokenId) public payable override {\r\n        Product storage _product = tokenIdToProduct[_tokenId];\r\n        require(_product.selling);\r\n        require(art.getApproved(_tokenId) == address(this));\r\n        require(msg.value == _product.price);\r\n        require(msg.sender != art.ownerOf(_tokenId));\r\n\r\n        _product.selling = false;\r\n        address _owner = art.ownerOf(_tokenId);\r\n\r\n        setOwnerRight(msg.sender, _tokenId);\r\n        payment(_owner, msg.value);\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-buyWithCurrency}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `_tokenId` product must be selling on market place\r\n     * - must be approved first\r\n     * - caller can not be owner of `_tokenId`\r\n     * - `traransactionId` haven't used yet\r\n     */\r\n    function buyWithCurrency(uint256 _tokenId, string memory traransactionId)\r\n        public\r\n        override\r\n    {\r\n        Product storage _product = tokenIdToProduct[_tokenId];\r\n        require(_product.selling);\r\n        require(art.getApproved(_tokenId) == address(this));\r\n        require(msg.sender != art.ownerOf(_tokenId));\r\n        require(!checkTransactionId[traransactionId]);\r\n\r\n        checkTransactionId[traransactionId] = true;\r\n        _product.selling = false;\r\n\r\n        setOwnerRight(msg.sender, _tokenId);\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-getProducListOwnable}.\r\n     */\r\n    //lay ra danh sach cac san pham so huu\r\n    function getProducListOwnable(address _owner)\r\n        public\r\n        view\r\n        override\r\n        returns (Product[] memory)\r\n    {\r\n        uint256[] memory arr = art.getTokenList(_owner);\r\n        Product[] memory productList = new Product[](arr.length);\r\n        for (uint256 i = 0; i < arr.length; i++) {\r\n            productList[i] = tokenIdToProduct[arr[i]];\r\n        }\r\n        return productList;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-offer}.\r\n     *\r\n     * Emits an {NewOffer} event indicating the successful NewOffer generation\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `_tokenId`'s owner  must be selling on market place\r\n     * - `_token20` address can not address zero\r\n     * - caller must approve `_amount` token erc20 for this contract\r\n     * - `_timeout` must be time in the future\r\n     */\r\n    //Phai goi kem approve token cho contractt nay\r\n    function offer(\r\n        uint256 _tokenId,\r\n        uint256 _amount,\r\n        address _token20,\r\n        uint256 _timeout\r\n    ) public override {\r\n        Product storage _product = tokenIdToProduct[_tokenId];\r\n        require(_product.selling);\r\n        require(art.ownerOf(_tokenId) != address(0));\r\n        require(_token20 != address(0));\r\n        require(\r\n            IERC20(_token20).allowance(msg.sender, address(this)) >= _amount\r\n        );\r\n        require(_timeout > block.timestamp);\r\n        // IERC20(_token20).approve(address(this), _amount);\r\n\r\n        tokenIdToOffer[_tokenId].push(\r\n            Offer(_tokenId, _amount, _token20, msg.sender, false, _timeout)\r\n        );\r\n        emit NewOffer(\r\n            _tokenId,\r\n            _amount,\r\n            _token20,\r\n            msg.sender,\r\n            block.timestamp + _timeout\r\n        );\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-restartOffer}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `_tokenId`'s owner  must be selling on market place\r\n     * - caller must be creator of offer\r\n     * - `_timeout` must be time in the future\r\n     */\r\n    function restartOffer(\r\n        uint256 _tokenId,\r\n        uint256 _index,\r\n        uint256 _timeout\r\n    ) public override {\r\n        require(tokenIdToOffer[_tokenId][_index].bargainer == msg.sender);\r\n        require(tokenIdToOffer[_tokenId][_index].timeout < block.timestamp);\r\n        require(_timeout > block.timestamp);\r\n        tokenIdToOffer[_tokenId][_index].timeout = _timeout;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-getOffer}.\r\n     */\r\n    function getOffer(uint256 _tokenId, uint256 _index)\r\n        public\r\n        view\r\n        override\r\n        returns (Offer memory)\r\n    {\r\n        require(_index <= tokenIdToOffer[_tokenId].length);\r\n        return tokenIdToOffer[_tokenId][_index];\r\n    }\r\n\r\n    function getOffer(uint256 _tokenId) public view returns (Offer[] memory) {\r\n        return tokenIdToOffer[_tokenId];\r\n    }\r\n\r\n    /**\r\n     * @dev See {IMarketplace-approveOffer}.\r\n     *\r\n     * Emits an {ApproveOffer} event indicating the successful approved offer\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `_tokenId`'s owner  must be selling on market place\r\n     * and approved for this contract\r\n     * - caller must be owner  of `_tokenId` product\r\n     * - `_timeout` of offer must be greater than current timestamp\r\n     */\r\n    //chủ sở hữu da approve token721 hay chua\r\n    function approveOffer(uint256 _tokenId, uint256 _index) public override {\r\n        Product storage _product = tokenIdToProduct[_tokenId];\r\n        Offer memory _offer = getOffer(_tokenId, _index);\r\n\r\n        require(_product.selling);\r\n        require(art.getApproved(_tokenId) == address(this));\r\n        require(art.ownerOf(_tokenId) == msg.sender);\r\n        require(_index <= tokenIdToOffer[_tokenId].length);\r\n        require(block.timestamp <= _offer.timeout);\r\n\r\n        tokenIdToOffer[_tokenId][_index].accepted = true;\r\n        _product.selling = false;\r\n\r\n        setOwnerRight(_offer.bargainer, _tokenId);\r\n\r\n        address _owner = art.ownerOf(_tokenId);\r\n\r\n        payment(_offer.token20, _offer.bargainer, _owner, _offer.amount);\r\n\r\n        emit ApproveOffer(_tokenId, _owner, msg.sender, _index);\r\n    }\r\n\r\n    /**\r\n     * @dev Update new owner for product.\r\n     */\r\n    function setOwnerRight(address buyer, uint256 _tokenId) internal {\r\n        art.setOwnerToTokenId(buyer, _tokenId);\r\n        address _owner = art.ownerOf(_tokenId);\r\n        art.safeTransferFrom(_owner, buyer, _tokenId);\r\n        emit Transfer(_tokenId, _owner, buyer);\r\n    }\r\n\r\n    /**\r\n     * @dev Payment for ETH.\r\n     */\r\n    function payment(address _owner, uint256 _value) internal {\r\n        Address.sendValue(payable(_owner), (_value * 98) / 100);\r\n    }\r\n\r\n    /**\r\n     * @dev Payment for ERC20.\r\n     */\r\n    function payment(\r\n        address _tokenEr20,\r\n        address _sender,\r\n        address _receipent,\r\n        uint256 _amount\r\n    ) internal {\r\n        IERC20(_tokenEr20).safeTransferFrom(\r\n            _sender,\r\n            _receipent,\r\n            (_amount * 95) / 100\r\n        );\r\n    }\r\n}\r\n",
  "sourcePath": "E:\\MNM\\UIT-SE301.M11-BidDapp\\marketplace-contracts\\contracts\\MarketPlace.sol",
  "ast": {
    "absolutePath": "project:/contracts/MarketPlace.sol",
    "exportedSymbols": {
      "Address": [
        1807
      ],
      "Art": [
        2335
      ],
      "Context": [
        1829
      ],
      "Counters": [
        1903
      ],
      "ERC165": [
        2130
      ],
      "ERC721": [
        1221
      ],
      "ERC721URIStorage": [
        1483
      ],
      "IERC165": [
        2142
      ],
      "IERC20": [
        181
      ],
      "IERC721": [
        1337
      ],
      "IERC721Metadata": [
        1510
      ],
      "IERC721Receiver": [
        1355
      ],
      "IMarketPlace": [
        3464
      ],
      "MarketPlace": [
        3210
      ],
      "Ownable": [
        103
      ],
      "SafeERC20": [
        405
      ],
      "Strings": [
        2106
      ]
    },
    "id": 3211,
    "license": "UNLICENSED",
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 2337,
        "literals": [
          "solidity",
          "^",
          "0.8",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "40:23:15"
      },
      {
        "absolutePath": "@openzeppelin/contracts/access/Ownable.sol",
        "file": "@openzeppelin/contracts/access/Ownable.sol",
        "id": 2338,
        "nodeType": "ImportDirective",
        "scope": 3211,
        "sourceUnit": 104,
        "src": "67:52:15",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "@openzeppelin/contracts/token/ERC20/IERC20.sol",
        "file": "@openzeppelin/contracts/token/ERC20/IERC20.sol",
        "id": 2339,
        "nodeType": "ImportDirective",
        "scope": 3211,
        "sourceUnit": 182,
        "src": "121:56:15",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "@openzeppelin/contracts/utils/Address.sol",
        "file": "@openzeppelin/contracts/utils/Address.sol",
        "id": 2340,
        "nodeType": "ImportDirective",
        "scope": 3211,
        "sourceUnit": 1808,
        "src": "179:51:15",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol",
        "file": "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol",
        "id": 2341,
        "nodeType": "ImportDirective",
        "scope": 3211,
        "sourceUnit": 406,
        "src": "232:65:15",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "project:/contracts/Art.sol",
        "file": "./Art.sol",
        "id": 2342,
        "nodeType": "ImportDirective",
        "scope": 3211,
        "sourceUnit": 2336,
        "src": "299:19:15",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "project:/contracts/interfaces/IMarketPlace.sol",
        "file": "./interfaces/IMarketPlace.sol",
        "id": 2343,
        "nodeType": "ImportDirective",
        "scope": 3211,
        "sourceUnit": 3465,
        "src": "320:39:15",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "abstract": false,
        "baseContracts": [
          {
            "baseName": {
              "id": 2344,
              "name": "Ownable",
              "nodeType": "IdentifierPath",
              "referencedDeclaration": 103,
              "src": "387:7:15"
            },
            "id": 2345,
            "nodeType": "InheritanceSpecifier",
            "src": "387:7:15"
          },
          {
            "baseName": {
              "id": 2346,
              "name": "IMarketPlace",
              "nodeType": "IdentifierPath",
              "referencedDeclaration": 3464,
              "src": "396:12:15"
            },
            "id": 2347,
            "nodeType": "InheritanceSpecifier",
            "src": "396:12:15"
          }
        ],
        "contractDependencies": [
          103,
          1829,
          3464
        ],
        "contractKind": "contract",
        "fullyImplemented": true,
        "id": 3210,
        "linearizedBaseContracts": [
          3210,
          3464,
          103,
          1829
        ],
        "name": "MarketPlace",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "id": 2351,
            "libraryName": {
              "id": 2348,
              "name": "SafeERC20",
              "nodeType": "IdentifierPath",
              "referencedDeclaration": 405,
              "src": "422:9:15"
            },
            "nodeType": "UsingForDirective",
            "src": "416:27:15",
            "typeName": {
              "id": 2350,
              "nodeType": "UserDefinedTypeName",
              "pathNode": {
                "id": 2349,
                "name": "IERC20",
                "nodeType": "IdentifierPath",
                "referencedDeclaration": 181,
                "src": "436:6:15"
              },
              "referencedDeclaration": 181,
              "src": "436:6:15",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_IERC20_$181",
                "typeString": "contract IERC20"
              }
            }
          },
          {
            "constant": false,
            "id": 2354,
            "mutability": "mutable",
            "name": "art",
            "nodeType": "VariableDeclaration",
            "scope": 3210,
            "src": "451:7:15",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_contract$_Art_$2335",
              "typeString": "contract Art"
            },
            "typeName": {
              "id": 2353,
              "nodeType": "UserDefinedTypeName",
              "pathNode": {
                "id": 2352,
                "name": "Art",
                "nodeType": "IdentifierPath",
                "referencedDeclaration": 2335,
                "src": "451:3:15"
              },
              "referencedDeclaration": 2335,
              "src": "451:3:15",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_Art_$2335",
                "typeString": "contract Art"
              }
            },
            "visibility": "internal"
          },
          {
            "constant": false,
            "functionSelector": "cee26ed5",
            "id": 2357,
            "mutability": "mutable",
            "name": "sellers",
            "nodeType": "VariableDeclaration",
            "scope": 3210,
            "src": "467:24:15",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_array$_t_address_$dyn_storage",
              "typeString": "address[]"
            },
            "typeName": {
              "baseType": {
                "id": 2355,
                "name": "address",
                "nodeType": "ElementaryTypeName",
                "src": "467:7:15",
                "stateMutability": "nonpayable",
                "typeDescriptions": {
                  "typeIdentifier": "t_address",
                  "typeString": "address"
                }
              },
              "id": 2356,
              "nodeType": "ArrayTypeName",
              "src": "467:9:15",
              "typeDescriptions": {
                "typeIdentifier": "t_array$_t_address_$dyn_storage_ptr",
                "typeString": "address[]"
              }
            },
            "visibility": "public"
          },
          {
            "constant": false,
            "functionSelector": "b6f949c3",
            "id": 2362,
            "mutability": "mutable",
            "name": "tokenIdToProduct",
            "nodeType": "VariableDeclaration",
            "scope": 3210,
            "src": "498:51:15",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Product_$3312_storage_$",
              "typeString": "mapping(uint256 => struct IMarketPlace.Product)"
            },
            "typeName": {
              "id": 2361,
              "keyType": {
                "id": 2358,
                "name": "uint256",
                "nodeType": "ElementaryTypeName",
                "src": "506:7:15",
                "typeDescriptions": {
                  "typeIdentifier": "t_uint256",
                  "typeString": "uint256"
                }
              },
              "nodeType": "Mapping",
              "src": "498:27:15",
              "typeDescriptions": {
                "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_Product_$3312_storage_$",
                "typeString": "mapping(uint256 => struct IMarketPlace.Product)"
              },
              "valueType": {
                "id": 2360,
                "nodeType": "UserDefinedTypeName",
                "pathNode": {
                  "id": 2359,
                  "name": "Product",
                  "nodeType": "IdentifierPath",
                  "referencedDeclaration": 3312,
                  "src": "517:7:15"
                },
                "referencedDeclaration": 3312,
                "src": "517:7:15",
                "typeDescriptions": {
                  "typeIdentifier": "t_struct$_Product_$3312_storage_ptr",
                  "typeString": "struct IMarketPlace.Product"
                }
              }
            },
            "visibility": "public"
          },
          {
            "constant": false,
            "functionSelector": "a2bd1c41",
            "id": 2368,
            "mutability": "mutable",
            "name": "userToProduct",
            "nodeType": "VariableDeclaration",
            "scope": 3210,
            "src": "556:50:15",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Product_$3312_storage_$dyn_storage_$",
              "typeString": "mapping(address => struct IMarketPlace.Product[])"
            },
            "typeName": {
              "id": 2367,
              "keyType": {
                "id": 2363,
                "name": "address",
                "nodeType": "ElementaryTypeName",
                "src": "564:7:15",
                "typeDescriptions": {
                  "typeIdentifier": "t_address",
                  "typeString": "address"
                }
              },
              "nodeType": "Mapping",
              "src": "556:29:15",
              "typeDescriptions": {
                "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Product_$3312_storage_$dyn_storage_$",
                "typeString": "mapping(address => struct IMarketPlace.Product[])"
              },
              "valueType": {
                "baseType": {
                  "id": 2365,
                  "nodeType": "UserDefinedTypeName",
                  "pathNode": {
                    "id": 2364,
                    "name": "Product",
                    "nodeType": "IdentifierPath",
                    "referencedDeclaration": 3312,
                    "src": "575:7:15"
                  },
                  "referencedDeclaration": 3312,
                  "src": "575:7:15",
                  "typeDescriptions": {
                    "typeIdentifier": "t_struct$_Product_$3312_storage_ptr",
                    "typeString": "struct IMarketPlace.Product"
                  }
                },
                "id": 2366,
                "nodeType": "ArrayTypeName",
                "src": "575:9:15",
                "typeDescriptions": {
                  "typeIdentifier": "t_array$_t_struct$_Product_$3312_storage_$dyn_storage_ptr",
                  "typeString": "struct IMarketPlace.Product[]"
                }
              }
            },
            "visibility": "public"
          },
          {
            "constant": false,
            "functionSelector": "66a65af1",
            "id": 2374,
            "mutability": "mutable",
            "name": "tokenIdToOffer",
            "nodeType": "VariableDeclaration",
            "scope": 3210,
            "src": "641:49:15",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_mapping$_t_uint256_$_t_array$_t_struct$_Offer_$3325_storage_$dyn_storage_$",
              "typeString": "mapping(uint256 => struct IMarketPlace.Offer[])"
            },
            "typeName": {
              "id": 2373,
              "keyType": {
                "id": 2369,
                "name": "uint256",
                "nodeType": "ElementaryTypeName",
                "src": "649:7:15",
                "typeDescriptions": {
                  "typeIdentifier": "t_uint256",
                  "typeString": "uint256"
                }
              },
              "nodeType": "Mapping",
              "src": "641:27:15",
              "typeDescriptions": {
                "typeIdentifier": "t_mapping$_t_uint256_$_t_array$_t_struct$_Offer_$3325_storage_$dyn_storage_$",
                "typeString": "mapping(uint256 => struct IMarketPlace.Offer[])"
              },
              "valueType": {
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                            "typeIdentifier": "t_type$_t_struct$_Offer_$3325_storage_ptr_$",
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                          "typeIdentifier": "t_struct$_Offer_$3325_memory_ptr",
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                      ],
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                          "name": "tokenIdToOffer",
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                          "src": "7081:14:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_mapping$_t_uint256_$_t_array$_t_struct$_Offer_$3325_storage_$dyn_storage_$",
                            "typeString": "mapping(uint256 => struct IMarketPlace.Offer storage ref[] storage ref)"
                          }
                        },
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                          "typeString": "struct IMarketPlace.Offer storage ref[] storage ref"
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                      "lValueRequested": false,
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                        "typeIdentifier": "t_function_arraypush_nonpayable$_t_struct$_Offer_$3325_storage_$returns$__$",
                        "typeString": "function (struct IMarketPlace.Offer storage ref)"
                      }
                    },
                    "id": 2897,
                    "isConstant": false,
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                    "kind": "functionCall",
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                    "names": [],
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                    "src": "7081:118:15",
                    "tryCall": false,
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                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 2898,
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                },
                {
                  "eventCall": {
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                        "id": 2900,
                        "name": "_tokenId",
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                        "overloadedDeclarations": [],
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                        "src": "7238:8:15",
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                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
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                      },
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                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
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                          "typeIdentifier": "t_address",
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                            "referencedDeclaration": 4294967292,
                            "src": "7331:5:15",
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                              "typeString": "block"
                            }
                          },
                          "id": 2906,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": false,
                          "lValueRequested": false,
                          "memberName": "timestamp",
                          "nodeType": "MemberAccess",
                          "src": "7331:15:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "+",
                        "rightExpression": {
                          "id": 2907,
                          "name": "_timeout",
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                          "overloadedDeclarations": [],
                          "referencedDeclaration": 2824,
                          "src": "7349:8:15",
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                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        },
                        "src": "7331:26:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
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                      }
                    ],
                    "expression": {
                      "argumentTypes": [
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                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "id": 2899,
                      "name": "NewOffer",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 3345,
                      "src": "7215:8:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$_t_uint256_$_t_address_$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (uint256,uint256,address,address,uint256)"
                      }
                    },
                    "id": 2909,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "7215:153:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 2910,
                  "nodeType": "EmitStatement",
                  "src": "7210:158:15"
                }
              ]
            },
            "documentation": {
              "id": 2816,
              "nodeType": "StructuredDocumentation",
              "src": "6045:407:15",
              "text": " @dev See {IMarketplace-offer}.\n Emits an {NewOffer} event indicating the successful NewOffer generation\n Requirements:\n - `_tokenId`'s owner  must be selling on market place\n - `_token20` address can not address zero\n - caller must approve `_amount` token erc20 for this contract\n - `_timeout` must be time in the future"
            },
            "functionSelector": "acb1ba67",
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            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "offer",
            "nodeType": "FunctionDefinition",
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              "id": 2826,
              "nodeType": "OverrideSpecifier",
              "overrides": [],
              "src": "6646:8:15"
            },
            "parameters": {
              "id": 2825,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 2818,
                  "mutability": "mutable",
                  "name": "_tokenId",
                  "nodeType": "VariableDeclaration",
                  "scope": 2912,
                  "src": "6535:16:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 2817,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "6535:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 2820,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
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                          "name": "_offer",
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                          "overloadedDeclarations": [],
                          "referencedDeclaration": 3024,
                          "src": "9663:6:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_struct$_Offer_$3325_memory_ptr",
                            "typeString": "struct IMarketPlace.Offer memory"
                          }
                        },
                        "id": 3106,
                        "isConstant": false,
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                        "memberName": "bargainer",
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                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3107,
                        "name": "_owner",
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                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3096,
                        "src": "9681:6:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "expression": {
                          "id": 3108,
                          "name": "_offer",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 3024,
                          "src": "9689:6:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_struct$_Offer_$3325_memory_ptr",
                            "typeString": "struct IMarketPlace.Offer memory"
                          }
                        },
                        "id": 3109,
                        "isConstant": false,
                        "isLValue": true,
                        "isPure": false,
                        "lValueRequested": false,
                        "memberName": "amount",
                        "nodeType": "MemberAccess",
                        "referencedDeclaration": 3316,
                        "src": "9689:13:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
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                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
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                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
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                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "id": 3102,
                      "name": "payment",
                      "nodeType": "Identifier",
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                        3182,
                        3209
                      ],
                      "referencedDeclaration": 3209,
                      "src": "9639:7:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (address,address,address,uint256)"
                      }
                    },
                    "id": 3110,
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                      "typeString": "tuple()"
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                  "nodeType": "ExpressionStatement",
                  "src": "9639:64:15"
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                {
                  "eventCall": {
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                      {
                        "id": 3113,
                        "name": "_tokenId",
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                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3009,
                        "src": "9734:8:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
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                      },
                      {
                        "id": 3114,
                        "name": "_owner",
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                        "src": "9744:6:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
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                      },
                      {
                        "expression": {
                          "id": 3115,
                          "name": "msg",
                          "nodeType": "Identifier",
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                          "typeDescriptions": {
                            "typeIdentifier": "t_magic_message",
                            "typeString": "msg"
                          }
                        },
                        "id": 3116,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "memberName": "sender",
                        "nodeType": "MemberAccess",
                        "src": "9752:10:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3117,
                        "name": "_index",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3011,
                        "src": "9764:6:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "id": 3112,
                      "name": "ApproveOffer",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 3355,
                      "src": "9721:12:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$_t_address_$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (uint256,address,address,uint256)"
                      }
                    },
                    "id": 3118,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "9721:50:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 3119,
                  "nodeType": "EmitStatement",
                  "src": "9716:55:15"
                }
              ]
            },
            "documentation": {
              "id": 3007,
              "nodeType": "StructuredDocumentation",
              "src": "8495:407:15",
              "text": " @dev See {IMarketplace-approveOffer}.\n Emits an {ApproveOffer} event indicating the successful approved offer\n Requirements:\n - `_tokenId`'s owner  must be selling on market place\n and approved for this contract\n - caller must be owner  of `_tokenId` product\n - `_timeout` of offer must be greater than current timestamp"
            },
            "functionSelector": "f16f3730",
            "id": 3121,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "approveOffer",
            "nodeType": "FunctionDefinition",
            "overrides": {
              "id": 3013,
              "nodeType": "OverrideSpecifier",
              "overrides": [],
              "src": "9024:8:15"
            },
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              "id": 3012,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 3009,
                  "mutability": "mutable",
                  "name": "_tokenId",
                  "nodeType": "VariableDeclaration",
                  "scope": 3121,
                  "src": "8983:16:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 3008,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "8983:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 3011,
                  "mutability": "mutable",
                  "name": "_index",
                  "nodeType": "VariableDeclaration",
                  "scope": 3121,
                  "src": "9001:14:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 3010,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "9001:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "8982:34:15"
            },
            "returnParameters": {
              "id": 3014,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "9033:0:15"
            },
            "scope": 3210,
            "src": "8961:818:15",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 3157,
              "nodeType": "Block",
              "src": "9913:211:15",
              "statements": [
                {
                  "expression": {
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                      {
                        "id": 3132,
                        "name": "buyer",
                        "nodeType": "Identifier",
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                        "referencedDeclaration": 3124,
                        "src": "9946:5:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3133,
                        "name": "_tokenId",
                        "nodeType": "Identifier",
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                        "referencedDeclaration": 3126,
                        "src": "9953:8:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
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                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "expression": {
                        "id": 3129,
                        "name": "art",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 2354,
                        "src": "9924:3:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_Art_$2335",
                          "typeString": "contract Art"
                        }
                      },
                      "id": 3131,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "setOwnerToTokenId",
                      "nodeType": "MemberAccess",
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                      "src": "9924:21:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (address,uint256) external"
                      }
                    },
                    "id": 3134,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "9924:38:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
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                  "nodeType": "ExpressionStatement",
                  "src": "9924:38:15"
                },
                {
                  "assignments": [
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                  ],
                  "declarations": [
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                      "id": 3137,
                      "mutability": "mutable",
                      "name": "_owner",
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                      "scope": 3157,
                      "src": "9973:14:15",
                      "stateVariable": false,
                      "storageLocation": "default",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      },
                      "typeName": {
                        "id": 3136,
                        "name": "address",
                        "nodeType": "ElementaryTypeName",
                        "src": "9973:7:15",
                        "stateMutability": "nonpayable",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      "visibility": "internal"
                    }
                  ],
                  "id": 3142,
                  "initialValue": {
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                      {
                        "id": 3140,
                        "name": "_tokenId",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3126,
                        "src": "10002:8:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
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                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
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                      ],
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                        "name": "art",
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                        "referencedDeclaration": 2354,
                        "src": "9990:3:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_Art_$2335",
                          "typeString": "contract Art"
                        }
                      },
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                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "ownerOf",
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                      "src": "9990:11:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_external_view$_t_uint256_$returns$_t_address_$",
                        "typeString": "function (uint256) view external returns (address)"
                      }
                    },
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                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
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                      "typeIdentifier": "t_address",
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                  },
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                },
                {
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                        "id": 3146,
                        "name": "_owner",
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                        "src": "10043:6:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
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                      },
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                        "id": 3147,
                        "name": "buyer",
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                        "src": "10051:5:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
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                      },
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                        "id": 3148,
                        "name": "_tokenId",
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                        "src": "10058:8:15",
                        "typeDescriptions": {
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                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
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                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
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                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
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                      ],
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                        "name": "art",
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                        "src": "10022:3:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_Art_$2335",
                          "typeString": "contract Art"
                        }
                      },
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                      "lValueRequested": false,
                      "memberName": "safeTransferFrom",
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                      "src": "10022:20:15",
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                      }
                    },
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                  },
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                {
                  "eventCall": {
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                        "src": "10092:8:15",
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                      },
                      {
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                        "src": "10102:6:15",
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                          "typeIdentifier": "t_address",
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                      },
                      {
                        "id": 3154,
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                        "src": "10110:5:15",
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                      }
                    ],
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                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 3151,
                      "name": "Transfer",
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                      "src": "10083:8:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$_t_address_$_t_address_$returns$__$",
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                      }
                    },
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                }
              ]
            },
            "documentation": {
              "id": 3122,
              "nodeType": "StructuredDocumentation",
              "src": "9787:55:15",
              "text": " @dev Update new owner for product."
            },
            "id": 3158,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "setOwnerRight",
            "nodeType": "FunctionDefinition",
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                  "src": "9871:13:15",
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                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
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                    "nodeType": "ElementaryTypeName",
                    "src": "9871:7:15",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
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                  "mutability": "mutable",
                  "name": "_tokenId",
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                  "src": "9886:16:15",
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                  "storageLocation": "default",
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                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 3125,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "9886:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "9870:33:15"
            },
            "returnParameters": {
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              "nodeType": "ParameterList",
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              "src": "9913:0:15"
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            "src": "9848:276:15",
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          },
          {
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                  "expression": {
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                      {
                        "arguments": [
                          {
                            "id": 3171,
                            "name": "_owner",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 3161,
                            "src": "10275:6:15",
                            "typeDescriptions": {
                              "typeIdentifier": "t_address",
                              "typeString": "address"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_address",
                              "typeString": "address"
                            }
                          ],
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                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "10267:8:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_address_payable_$",
                            "typeString": "type(address payable)"
                          },
                          "typeName": {
                            "id": 3169,
                            "name": "address",
                            "nodeType": "ElementaryTypeName",
                            "src": "10267:8:15",
                            "stateMutability": "payable",
                            "typeDescriptions": {}
                          }
                        },
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                        "isPure": false,
                        "kind": "typeConversion",
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                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "10267:15:15",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        }
                      },
                      {
                        "commonType": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        "id": 3178,
                        "isConstant": false,
                        "isLValue": false,
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              "text": " @dev See {IMarketplace-buyWithCurrency}.\n Requirements:\n - `_tokenId` product must be selling on market place\n - must be approved first\n - caller can not be owner of `_tokenId`\n - `traransactionId` haven't used yet"
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                      {
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                          "typeIdentifier": "t_uint256",
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                        }
                      }
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                          "typeIdentifier": "t_address",
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                        {
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                      ],
                      "id": 3089,
                      "name": "setOwnerRight",
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                      "src": "9534:13:15",
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                        "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (address,uint256)"
                      }
                    },
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                      "typeString": "tuple()"
                    }
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                      "name": "_owner",
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                      "storageLocation": "default",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      },
                      "typeName": {
                        "id": 3095,
                        "name": "address",
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                        "stateMutability": "nonpayable",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
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                    }
                  ],
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                      {
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                        "name": "_tokenId",
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                        "src": "9617:8:15",
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                          "typeIdentifier": "t_uint256",
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                        }
                      }
                    ],
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                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "expression": {
                        "id": 3097,
                        "name": "art",
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                        "referencedDeclaration": 2354,
                        "src": "9605:3:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_Art_$2335",
                          "typeString": "contract Art"
                        }
                      },
                      "id": 3098,
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                      "isLValue": false,
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                      "memberName": "ownerOf",
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                      "src": "9605:11:15",
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                        "typeIdentifier": "t_function_external_view$_t_uint256_$returns$_t_address_$",
                        "typeString": "function (uint256) view external returns (address)"
                      }
                    },
                    "id": 3100,
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                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
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                    }
                  },
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                },
                {
                  "expression": {
                    "arguments": [
                      {
                        "expression": {
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                          "name": "_offer",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 3024,
                          "src": "9647:6:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_struct$_Offer_$3325_memory_ptr",
                            "typeString": "struct IMarketPlace.Offer memory"
                          }
                        },
                        "id": 3104,
                        "isConstant": false,
                        "isLValue": true,
                        "isPure": false,
                        "lValueRequested": false,
                        "memberName": "token20",
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                        "src": "9647:14:15",
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                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "expression": {
                          "id": 3105,
                          "name": "_offer",
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                          "overloadedDeclarations": [],
                          "referencedDeclaration": 3024,
                          "src": "9663:6:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_struct$_Offer_$3325_memory_ptr",
                            "typeString": "struct IMarketPlace.Offer memory"
                          }
                        },
                        "id": 3106,
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                        "memberName": "bargainer",
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                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3107,
                        "name": "_owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3096,
                        "src": "9681:6:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "expression": {
                          "id": 3108,
                          "name": "_offer",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 3024,
                          "src": "9689:6:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_struct$_Offer_$3325_memory_ptr",
                            "typeString": "struct IMarketPlace.Offer memory"
                          }
                        },
                        "id": 3109,
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                        "isLValue": true,
                        "isPure": false,
                        "lValueRequested": false,
                        "memberName": "amount",
                        "nodeType": "MemberAccess",
                        "referencedDeclaration": 3316,
                        "src": "9689:13:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
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                      "argumentTypes": [
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                          "typeIdentifier": "t_address",
                          "typeString": "address"
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                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
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                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
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                      ],
                      "id": 3102,
                      "name": "payment",
                      "nodeType": "Identifier",
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                        3182,
                        3209
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                      "referencedDeclaration": 3209,
                      "src": "9639:7:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (address,address,address,uint256)"
                      }
                    },
                    "id": 3110,
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                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
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                  "nodeType": "ExpressionStatement",
                  "src": "9639:64:15"
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                      {
                        "id": 3113,
                        "name": "_tokenId",
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                        "referencedDeclaration": 3009,
                        "src": "9734:8:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
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                      },
                      {
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                        "name": "_owner",
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                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "expression": {
                          "id": 3115,
                          "name": "msg",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 4294967281,
                          "src": "9752:3:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_magic_message",
                            "typeString": "msg"
                          }
                        },
                        "id": 3116,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "memberName": "sender",
                        "nodeType": "MemberAccess",
                        "src": "9752:10:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3117,
                        "name": "_index",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3011,
                        "src": "9764:6:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "id": 3112,
                      "name": "ApproveOffer",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 3355,
                      "src": "9721:12:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$_t_address_$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (uint256,address,address,uint256)"
                      }
                    },
                    "id": 3118,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "9721:50:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 3119,
                  "nodeType": "EmitStatement",
                  "src": "9716:55:15"
                }
              ]
            },
            "documentation": {
              "id": 3007,
              "nodeType": "StructuredDocumentation",
              "src": "8495:407:15",
              "text": " @dev See {IMarketplace-approveOffer}.\n Emits an {ApproveOffer} event indicating the successful approved offer\n Requirements:\n - `_tokenId`'s owner  must be selling on market place\n and approved for this contract\n - caller must be owner  of `_tokenId` product\n - `_timeout` of offer must be greater than current timestamp"
            },
            "functionSelector": "f16f3730",
            "id": 3121,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "approveOffer",
            "nodeType": "FunctionDefinition",
            "overrides": {
              "id": 3013,
              "nodeType": "OverrideSpecifier",
              "overrides": [],
              "src": "9024:8:15"
            },
            "parameters": {
              "id": 3012,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 3009,
                  "mutability": "mutable",
                  "name": "_tokenId",
                  "nodeType": "VariableDeclaration",
                  "scope": 3121,
                  "src": "8983:16:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 3008,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "8983:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 3011,
                  "mutability": "mutable",
                  "name": "_index",
                  "nodeType": "VariableDeclaration",
                  "scope": 3121,
                  "src": "9001:14:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 3010,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "9001:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "8982:34:15"
            },
            "returnParameters": {
              "id": 3014,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "9033:0:15"
            },
            "scope": 3210,
            "src": "8961:818:15",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "public"
          },
          {
            "body": {
              "id": 3157,
              "nodeType": "Block",
              "src": "9913:211:15",
              "statements": [
                {
                  "expression": {
                    "arguments": [
                      {
                        "id": 3132,
                        "name": "buyer",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3124,
                        "src": "9946:5:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3133,
                        "name": "_tokenId",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3126,
                        "src": "9953:8:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "expression": {
                        "id": 3129,
                        "name": "art",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 2354,
                        "src": "9924:3:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_Art_$2335",
                          "typeString": "contract Art"
                        }
                      },
                      "id": 3131,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "setOwnerToTokenId",
                      "nodeType": "MemberAccess",
                      "referencedDeclaration": 2258,
                      "src": "9924:21:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (address,uint256) external"
                      }
                    },
                    "id": 3134,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "9924:38:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 3135,
                  "nodeType": "ExpressionStatement",
                  "src": "9924:38:15"
                },
                {
                  "assignments": [
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                  ],
                  "declarations": [
                    {
                      "constant": false,
                      "id": 3137,
                      "mutability": "mutable",
                      "name": "_owner",
                      "nodeType": "VariableDeclaration",
                      "scope": 3157,
                      "src": "9973:14:15",
                      "stateVariable": false,
                      "storageLocation": "default",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      },
                      "typeName": {
                        "id": 3136,
                        "name": "address",
                        "nodeType": "ElementaryTypeName",
                        "src": "9973:7:15",
                        "stateMutability": "nonpayable",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      "visibility": "internal"
                    }
                  ],
                  "id": 3142,
                  "initialValue": {
                    "arguments": [
                      {
                        "id": 3140,
                        "name": "_tokenId",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3126,
                        "src": "10002:8:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
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                      ],
                      "expression": {
                        "id": 3138,
                        "name": "art",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 2354,
                        "src": "9990:3:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_Art_$2335",
                          "typeString": "contract Art"
                        }
                      },
                      "id": 3139,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "ownerOf",
                      "nodeType": "MemberAccess",
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                      "src": "9990:11:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_external_view$_t_uint256_$returns$_t_address_$",
                        "typeString": "function (uint256) view external returns (address)"
                      }
                    },
                    "id": 3141,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "9990:21:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "nodeType": "VariableDeclarationStatement",
                  "src": "9973:38:15"
                },
                {
                  "expression": {
                    "arguments": [
                      {
                        "id": 3146,
                        "name": "_owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3137,
                        "src": "10043:6:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3147,
                        "name": "buyer",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3124,
                        "src": "10051:5:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3148,
                        "name": "_tokenId",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3126,
                        "src": "10058:8:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "expression": {
                        "id": 3143,
                        "name": "art",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 2354,
                        "src": "10022:3:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_Art_$2335",
                          "typeString": "contract Art"
                        }
                      },
                      "id": 3145,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "safeTransferFrom",
                      "nodeType": "MemberAccess",
                      "referencedDeclaration": 784,
                      "src": "10022:20:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$",
                        "typeString": "function (address,address,uint256) external"
                      }
                    },
                    "id": 3149,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "10022:45:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 3150,
                  "nodeType": "ExpressionStatement",
                  "src": "10022:45:15"
                },
                {
                  "eventCall": {
                    "arguments": [
                      {
                        "id": 3152,
                        "name": "_tokenId",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3126,
                        "src": "10092:8:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      },
                      {
                        "id": 3153,
                        "name": "_owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3137,
                        "src": "10102:6:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3154,
                        "name": "buyer",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3124,
                        "src": "10110:5:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 3151,
                      "name": "Transfer",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 3333,
                      "src": "10083:8:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$_t_address_$_t_address_$returns$__$",
                        "typeString": "function (uint256,address,address)"
                      }
                    },
                    "id": 3155,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "10083:33:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 3156,
                  "nodeType": "EmitStatement",
                  "src": "10078:38:15"
                }
              ]
            },
            "documentation": {
              "id": 3122,
              "nodeType": "StructuredDocumentation",
              "src": "9787:55:15",
              "text": " @dev Update new owner for product."
            },
            "id": 3158,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "setOwnerRight",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 3127,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 3124,
                  "mutability": "mutable",
                  "name": "buyer",
                  "nodeType": "VariableDeclaration",
                  "scope": 3158,
                  "src": "9871:13:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 3123,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "9871:7:15",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 3126,
                  "mutability": "mutable",
                  "name": "_tokenId",
                  "nodeType": "VariableDeclaration",
                  "scope": 3158,
                  "src": "9886:16:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 3125,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "9886:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "9870:33:15"
            },
            "returnParameters": {
              "id": 3128,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "9913:0:15"
            },
            "scope": 3210,
            "src": "9848:276:15",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "internal"
          },
          {
            "body": {
              "id": 3181,
              "nodeType": "Block",
              "src": "10238:74:15",
              "statements": [
                {
                  "expression": {
                    "arguments": [
                      {
                        "arguments": [
                          {
                            "id": 3171,
                            "name": "_owner",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 3161,
                            "src": "10275:6:15",
                            "typeDescriptions": {
                              "typeIdentifier": "t_address",
                              "typeString": "address"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_address",
                              "typeString": "address"
                            }
                          ],
                          "id": 3170,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "nodeType": "ElementaryTypeNameExpression",
                          "src": "10267:8:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_address_payable_$",
                            "typeString": "type(address payable)"
                          },
                          "typeName": {
                            "id": 3169,
                            "name": "address",
                            "nodeType": "ElementaryTypeName",
                            "src": "10267:8:15",
                            "stateMutability": "payable",
                            "typeDescriptions": {}
                          }
                        },
                        "id": 3172,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "10267:15:15",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        }
                      },
                      {
                        "commonType": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        "id": 3178,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "leftExpression": {
                          "components": [
                            {
                              "commonType": {
                                "typeIdentifier": "t_uint256",
                                "typeString": "uint256"
                              },
                              "id": 3175,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": false,
                              "lValueRequested": false,
                              "leftExpression": {
                                "id": 3173,
                                "name": "_value",
                                "nodeType": "Identifier",
                                "overloadedDeclarations": [],
                                "referencedDeclaration": 3163,
                                "src": "10285:6:15",
                                "typeDescriptions": {
                                  "typeIdentifier": "t_uint256",
                                  "typeString": "uint256"
                                }
                              },
                              "nodeType": "BinaryOperation",
                              "operator": "*",
                              "rightExpression": {
                                "hexValue": "3938",
                                "id": 3174,
                                "isConstant": false,
                                "isLValue": false,
                                "isPure": true,
                                "kind": "number",
                                "lValueRequested": false,
                                "nodeType": "Literal",
                                "src": "10294:2:15",
                                "typeDescriptions": {
                                  "typeIdentifier": "t_rational_98_by_1",
                                  "typeString": "int_const 98"
                                },
                                "value": "98"
                              },
                              "src": "10285:11:15",
                              "typeDescriptions": {
                                "typeIdentifier": "t_uint256",
                                "typeString": "uint256"
                              }
                            }
                          ],
                          "id": 3176,
                          "isConstant": false,
                          "isInlineArray": false,
                          "isLValue": false,
                          "isPure": false,
                          "lValueRequested": false,
                          "nodeType": "TupleExpression",
                          "src": "10284:13:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "/",
                        "rightExpression": {
                          "hexValue": "313030",
                          "id": 3177,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "number",
                          "lValueRequested": false,
                          "nodeType": "Literal",
                          "src": "10300:3:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_rational_100_by_1",
                            "typeString": "int_const 100"
                          },
                          "value": "100"
                        },
                        "src": "10284:19:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "expression": {
                        "id": 3166,
                        "name": "Address",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 1807,
                        "src": "10249:7:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_type$_t_contract$_Address_$1807_$",
                          "typeString": "type(library Address)"
                        }
                      },
                      "id": 3168,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "sendValue",
                      "nodeType": "MemberAccess",
                      "referencedDeclaration": 1564,
                      "src": "10249:17:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_nonpayable$_t_address_payable_$_t_uint256_$returns$__$",
                        "typeString": "function (address payable,uint256)"
                      }
                    },
                    "id": 3179,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "10249:55:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 3180,
                  "nodeType": "ExpressionStatement",
                  "src": "10249:55:15"
                }
              ]
            },
            "documentation": {
              "id": 3159,
              "nodeType": "StructuredDocumentation",
              "src": "10132:42:15",
              "text": " @dev Payment for ETH."
            },
            "id": 3182,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "payment",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 3164,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 3161,
                  "mutability": "mutable",
                  "name": "_owner",
                  "nodeType": "VariableDeclaration",
                  "scope": 3182,
                  "src": "10197:14:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 3160,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "10197:7:15",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 3163,
                  "mutability": "mutable",
                  "name": "_value",
                  "nodeType": "VariableDeclaration",
                  "scope": 3182,
                  "src": "10213:14:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 3162,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "10213:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "10196:32:15"
            },
            "returnParameters": {
              "id": 3165,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "10238:0:15"
            },
            "scope": 3210,
            "src": "10180:132:15",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "internal"
          },
          {
            "body": {
              "id": 3208,
              "nodeType": "Block",
              "src": "10513:147:15",
              "statements": [
                {
                  "expression": {
                    "arguments": [
                      {
                        "id": 3198,
                        "name": "_sender",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3187,
                        "src": "10574:7:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "id": 3199,
                        "name": "_receipent",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 3189,
                        "src": "10596:10:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "commonType": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        "id": 3205,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "leftExpression": {
                          "components": [
                            {
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                                "typeIdentifier": "t_uint256",
                                "typeString": "uint256"
                              },
                              "id": 3202,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": false,
                              "lValueRequested": false,
                              "leftExpression": {
                                "id": 3200,
                                "name": "_amount",
                                "nodeType": "Identifier",
                                "overloadedDeclarations": [],
                                "referencedDeclaration": 3191,
                                "src": "10622:7:15",
                                "typeDescriptions": {
                                  "typeIdentifier": "t_uint256",
                                  "typeString": "uint256"
                                }
                              },
                              "nodeType": "BinaryOperation",
                              "operator": "*",
                              "rightExpression": {
                                "hexValue": "3935",
                                "id": 3201,
                                "isConstant": false,
                                "isLValue": false,
                                "isPure": true,
                                "kind": "number",
                                "lValueRequested": false,
                                "nodeType": "Literal",
                                "src": "10632:2:15",
                                "typeDescriptions": {
                                  "typeIdentifier": "t_rational_95_by_1",
                                  "typeString": "int_const 95"
                                },
                                "value": "95"
                              },
                              "src": "10622:12:15",
                              "typeDescriptions": {
                                "typeIdentifier": "t_uint256",
                                "typeString": "uint256"
                              }
                            }
                          ],
                          "id": 3203,
                          "isConstant": false,
                          "isInlineArray": false,
                          "isLValue": false,
                          "isPure": false,
                          "lValueRequested": false,
                          "nodeType": "TupleExpression",
                          "src": "10621:14:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_uint256",
                            "typeString": "uint256"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "/",
                        "rightExpression": {
                          "hexValue": "313030",
                          "id": 3204,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "number",
                          "lValueRequested": false,
                          "nodeType": "Literal",
                          "src": "10638:3:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_rational_100_by_1",
                            "typeString": "int_const 100"
                          },
                          "value": "100"
                        },
                        "src": "10621:20:15",
                        "typeDescriptions": {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        }
                      ],
                      "expression": {
                        "arguments": [
                          {
                            "id": 3195,
                            "name": "_tokenEr20",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 3185,
                            "src": "10531:10:15",
                            "typeDescriptions": {
                              "typeIdentifier": "t_address",
                              "typeString": "address"
                            }
                          }
                        ],
                        "expression": {
                          "argumentTypes": [
                            {
                              "typeIdentifier": "t_address",
                              "typeString": "address"
                            }
                          ],
                          "id": 3194,
                          "name": "IERC20",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 181,
                          "src": "10524:6:15",
                          "typeDescriptions": {
                            "typeIdentifier": "t_type$_t_contract$_IERC20_$181_$",
                            "typeString": "type(contract IERC20)"
                          }
                        },
                        "id": 3196,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "kind": "typeConversion",
                        "lValueRequested": false,
                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "10524:18:15",
                        "tryCall": false,
                        "typeDescriptions": {
                          "typeIdentifier": "t_contract$_IERC20_$181",
                          "typeString": "contract IERC20"
                        }
                      },
                      "id": 3197,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "safeTransferFrom",
                      "nodeType": "MemberAccess",
                      "referencedDeclaration": 238,
                      "src": "10524:35:15",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_nonpayable$_t_contract$_IERC20_$181_$_t_address_$_t_address_$_t_uint256_$returns$__$bound_to$_t_contract$_IERC20_$181_$",
                        "typeString": "function (contract IERC20,address,address,uint256)"
                      }
                    },
                    "id": 3206,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "10524:128:15",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 3207,
                  "nodeType": "ExpressionStatement",
                  "src": "10524:128:15"
                }
              ]
            },
            "documentation": {
              "id": 3183,
              "nodeType": "StructuredDocumentation",
              "src": "10320:44:15",
              "text": " @dev Payment for ERC20."
            },
            "id": 3209,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "payment",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 3192,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 3185,
                  "mutability": "mutable",
                  "name": "_tokenEr20",
                  "nodeType": "VariableDeclaration",
                  "scope": 3209,
                  "src": "10397:18:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 3184,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "10397:7:15",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 3187,
                  "mutability": "mutable",
                  "name": "_sender",
                  "nodeType": "VariableDeclaration",
                  "scope": 3209,
                  "src": "10426:15:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 3186,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "10426:7:15",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 3189,
                  "mutability": "mutable",
                  "name": "_receipent",
                  "nodeType": "VariableDeclaration",
                  "scope": 3209,
                  "src": "10452:18:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 3188,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "10452:7:15",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 3191,
                  "mutability": "mutable",
                  "name": "_amount",
                  "nodeType": "VariableDeclaration",
                  "scope": 3209,
                  "src": "10481:15:15",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 3190,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "10481:7:15",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "10386:117:15"
            },
            "returnParameters": {
              "id": 3193,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "10513:0:15"
            },
            "scope": 3210,
            "src": "10370:290:15",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "internal"
          }
        ],
        "scope": 3211,
        "src": "363:10300:15"
      }
    ],
    "src": "40:10625:15"
  },
  "compiler": {
    "name": "solc",
    "version": "0.8.0+commit.c7dfd78e.Emscripten.clang"
  },
  "networks": {},
  "schemaVersion": "3.4.3",
  "updatedAt": "2021-12-05T02:54:05.650Z",
  "devdoc": {
    "kind": "dev",
    "methods": {
      "approveOffer(uint256,uint256)": {
        "details": "See {IMarketplace-approveOffer}. Emits an {ApproveOffer} event indicating the successful approved offer Requirements: - `_tokenId`'s owner  must be selling on market place and approved for this contract - caller must be owner  of `_tokenId` product - `_timeout` of offer must be greater than current timestamp"
      },
      "buyWithCurrency(uint256,string)": {
        "details": "See {IMarketplace-buyWithCurrency}. Requirements: - `_tokenId` product must be selling on market place - must be approved first - caller can not be owner of `_tokenId` - `traransactionId` haven't used yet"
      },
      "buyWithETH(uint256)": {
        "details": "See {IMarketplace-buyWithETH}. Requirements: - `_tokenId` product must be selling on market place - must be approved first - send value ETH equal price of product - caller can not be owner of `_tokenId`"
      },
      "constructor": {
        "details": "Sets the values for {art}. This value can be immutable: they can only be set once during construction."
      },
      "createNewProduct(string,string,uint256)": {
        "details": "See {IMarketplace-createNewProduct}. Emits an {Transfer} event indicating the successful NFT generation Requirements: - `_hashImg` use only once."
      },
      "getOffer(uint256,uint256)": {
        "details": "See {IMarketplace-getOffer}."
      },
      "getProducListOwnable(address)": {
        "details": "See {IMarketplace-getProducListOwnable}."
      },
      "getProductListCreated(address)": {
        "details": "See {IMarketplace-getProductListCreated}."
      },
      "offer(uint256,uint256,address,uint256)": {
        "details": "See {IMarketplace-offer}. Emits an {NewOffer} event indicating the successful NewOffer generation Requirements: - `_tokenId`'s owner  must be selling on market place - `_token20` address can not address zero - caller must approve `_amount` token erc20 for this contract - `_timeout` must be time in the future"
      },
      "owner()": {
        "details": "Returns the address of the current owner."
      },
      "renounceOwnership()": {
        "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner."
      },
      "restartOffer(uint256,uint256,uint256)": {
        "details": "See {IMarketplace-restartOffer}. Requirements: - `_tokenId`'s owner  must be selling on market place - caller must be creator of offer - `_timeout` must be time in the future"
      },
      "setArtAddr(address)": {
        "details": "See {IMarketplace-setArtAddr}. Requirements: - `_artAddr` cannot be the zero address. - Only owner have right to call this function."
      },
      "setListOrNot(uint256)": {
        "details": "See {IMarketplace-setListOrNot}."
      },
      "setPrice(uint256,uint256)": {
        "details": "See {IMarketplace-setPrice}. Requirements: - Only owner of `_tokenId` can call this function."
      },
      "setSellOrNot(uint256)": {
        "details": "See {IMarketplace-setSellOrNot}."
      },
      "transferOwnership(address)": {
        "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner."
      }
    },
    "version": 1
  },
  "userdoc": {
    "kind": "user",
    "methods": {},
    "version": 1
  }
}