{
  "contractName": "ERC1155TokenReceiver",
  "abi": [
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "operator",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "from",
          "type": "address"
        },
        {
          "internalType": "uint256[]",
          "name": "ids",
          "type": "uint256[]"
        },
        {
          "internalType": "uint256[]",
          "name": "values",
          "type": "uint256[]"
        },
        {
          "internalType": "bytes",
          "name": "data",
          "type": "bytes"
        }
      ],
      "name": "onERC1155BatchReceived",
      "outputs": [
        {
          "internalType": "bytes4",
          "name": "",
          "type": "bytes4"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "operator",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "from",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "id",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "value",
          "type": "uint256"
        },
        {
          "internalType": "bytes",
          "name": "data",
          "type": "bytes"
        }
      ],
      "name": "onERC1155Received",
      "outputs": [
        {
          "internalType": "bytes4",
          "name": "",
          "type": "bytes4"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "bytes4",
          "name": "interfaceId",
          "type": "bytes4"
        }
      ],
      "name": "supportsInterface",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    }
  ],
  "metadata": "{\"compiler\":{\"version\":\"0.7.6+commit.7338295f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"uint256[]\",\"name\":\"ids\",\"type\":\"uint256[]\"},{\"internalType\":\"uint256[]\",\"name\":\"values\",\"type\":\"uint256[]\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"onERC1155BatchReceived\",\"outputs\":[{\"internalType\":\"bytes4\",\"name\":\"\",\"type\":\"bytes4\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"id\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"onERC1155Received\",\"outputs\":[{\"internalType\":\"bytes4\",\"name\":\"\",\"type\":\"bytes4\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\":{\"details\":\"Handles the receipt of a multiple ERC1155 token types. This function is called at the end of a `safeBatchTransferFrom` after the balances have been updated. To accept the transfer(s), this must return `bytes4(keccak256(\\\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\\\"))` (i.e. 0xbc197c81, or its own function selector).\",\"params\":{\"data\":\"Additional data with no specified format\",\"from\":\"The address which previously owned the token\",\"ids\":\"An array containing ids of each token being transferred (order and length must match values array)\",\"operator\":\"The address which initiated the batch transfer (i.e. msg.sender)\",\"values\":\"An array containing amounts of each token being transferred (order and length must match ids array)\"},\"returns\":{\"_0\":\"`bytes4(keccak256(\\\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\\\"))` if transfer is allowed\"}},\"onERC1155Received(address,address,uint256,uint256,bytes)\":{\"details\":\"Handles the receipt of a single ERC1155 token type. This function is called at the end of a `safeTransferFrom` after the balance has been updated. To accept the transfer, this must return `bytes4(keccak256(\\\"onERC1155Received(address,address,uint256,uint256,bytes)\\\"))` (i.e. 0xf23a6e61, or its own function selector).\",\"params\":{\"data\":\"Additional data with no specified format\",\"from\":\"The address which previously owned the token\",\"id\":\"The ID of the token being transferred\",\"operator\":\"The address which initiated the transfer (i.e. msg.sender)\",\"value\":\"The amount of tokens being transferred\"},\"returns\":{\"_0\":\"`bytes4(keccak256(\\\"onERC1155Received(address,address,uint256,uint256,bytes)\\\"))` if transfer is allowed\"}},\"supportsInterface(bytes4)\":{\"details\":\"See {IERC165-supportsInterface}. Time complexity O(1), guaranteed to always use less than 30 000 gas.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"/home/user/Projects/future-contracts/contracts/ERC1155/ERC1155TokenReceiver.sol\":\"ERC1155TokenReceiver\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":1000000},\"remappings\":[]},\"sources\":{\"/home/user/Projects/future-contracts/contracts/ERC1155/ERC1155TokenReceiver.sol\":{\"keccak256\":\"0x536d5df7ff8865f35b0f37f45cca74a23de682f3d207607cac46275a65063557\",\"license\":\"LGPL-3.0-or-later\",\"urls\":[\"bzz-raw://581542ce79abdf2ccae7db3c6a1ef2a1aebf79ebf64c3e8ff33fcca6277e4edc\",\"dweb:/ipfs/QmXp4QYLpKusJFyP2TmbA42p1t8m4xSs5CRRuzNTa6TDxF\"]},\"/home/user/Projects/future-contracts/contracts/ERC1155/IERC1155TokenReceiver.sol\":{\"keccak256\":\"0x98ca1a630f95be9e74f5d1d40e108f38ffcdf8ec0ca90068e43dab203777ba96\",\"license\":\"LGPL-3.0-or-later\",\"urls\":[\"bzz-raw://37c61c32fd3932bd37aa8e984e446acf0bdcdc0855ae92c69a95b9ce4e2fa8cc\",\"dweb:/ipfs/QmbgBBkmGhTjJcbQo5KwRY2P77AtZ9y8zuAxVohVSNEhnc\"]},\"@openzeppelin/contracts/introspection/ERC165.sol\":{\"keccak256\":\"0xd6b90e604fb2eb2d641c7110c72440bf2dc999ec6ab8ff60f200e71ca75d1d90\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7b92d8ab83b21ff984b1f0d6d66897d5afb1f2052004cbcb133cea023e0ae468\",\"dweb:/ipfs/QmTarypkQrFp4UMjTh7Zzhz2nZLz5uPS4nJQtHDEuwBVe6\"]},\"@openzeppelin/contracts/introspection/IERC165.sol\":{\"keccak256\":\"0xf70bc25d981e4ec9673a995ad2995d5d493ea188d3d8f388bba9c227ce09fb82\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://bd970f51e3a77790c2f02b5b1759827c3b897c3d98c407b3631e8af32e3dc93c\",\"dweb:/ipfs/QmPF85Amgbqjk3SNZKsPCsqCw8JfwYEPMnnhvMJUyX58je\"]}},\"version\":1}",
  "bytecode": "0x",
  "deployedBytecode": "0x",
  "immutableReferences": {},
  "generatedSources": [],
  "deployedGeneratedSources": [],
  "sourceMap": "",
  "deployedSourceMap": "",
  "source": "// SPDX-License-Identifier: LGPL-3.0-or-later\npragma solidity ^0.7.1;\n\nimport \"./IERC1155TokenReceiver.sol\";\nimport \"@openzeppelin/contracts/introspection/ERC165.sol\";\n\nabstract contract ERC1155TokenReceiver is ERC165, IERC1155TokenReceiver {\n    constructor() {\n        _registerInterface(\n            ERC1155TokenReceiver(0).onERC1155Received.selector ^\n            ERC1155TokenReceiver(0).onERC1155BatchReceived.selector\n        );\n    }\n}\n",
  "sourcePath": "/home/user/Projects/future-contracts/contracts/ERC1155/ERC1155TokenReceiver.sol",
  "ast": {
    "absolutePath": "/home/user/Projects/future-contracts/contracts/ERC1155/ERC1155TokenReceiver.sol",
    "exportedSymbols": {
      "ERC1155TokenReceiver": [
        3323
      ],
      "ERC165": [
        4381
      ],
      "IERC1155TokenReceiver": [
        3809
      ],
      "IERC165": [
        4393
      ]
    },
    "id": 3324,
    "license": "LGPL-3.0-or-later",
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 3298,
        "literals": [
          "solidity",
          "^",
          "0.7",
          ".1"
        ],
        "nodeType": "PragmaDirective",
        "src": "46:23:6"
      },
      {
        "absolutePath": "/home/user/Projects/future-contracts/contracts/ERC1155/IERC1155TokenReceiver.sol",
        "file": "./IERC1155TokenReceiver.sol",
        "id": 3299,
        "nodeType": "ImportDirective",
        "scope": 3324,
        "sourceUnit": 3810,
        "src": "71:37:6",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "@openzeppelin/contracts/introspection/ERC165.sol",
        "file": "@openzeppelin/contracts/introspection/ERC165.sol",
        "id": 3300,
        "nodeType": "ImportDirective",
        "scope": 3324,
        "sourceUnit": 4382,
        "src": "109:58:6",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "abstract": true,
        "baseContracts": [
          {
            "baseName": {
              "id": 3301,
              "name": "ERC165",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 4381,
              "src": "211:6:6",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_ERC165_$4381",
                "typeString": "contract ERC165"
              }
            },
            "id": 3302,
            "nodeType": "InheritanceSpecifier",
            "src": "211:6:6"
          },
          {
            "baseName": {
              "id": 3303,
              "name": "IERC1155TokenReceiver",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 3809,
              "src": "219:21:6",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_IERC1155TokenReceiver_$3809",
                "typeString": "contract IERC1155TokenReceiver"
              }
            },
            "id": 3304,
            "nodeType": "InheritanceSpecifier",
            "src": "219:21:6"
          }
        ],
        "contractDependencies": [
          3809,
          4381,
          4393
        ],
        "contractKind": "contract",
        "fullyImplemented": false,
        "id": 3323,
        "linearizedBaseContracts": [
          3323,
          3809,
          4381,
          4393
        ],
        "name": "ERC1155TokenReceiver",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": {
              "id": 3321,
              "nodeType": "Block",
              "src": "261:179:6",
              "statements": [
                {
                  "expression": {
                    "arguments": [
                      {
                        "commonType": {
                          "typeIdentifier": "t_bytes4",
                          "typeString": "bytes4"
                        },
                        "id": 3318,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "lValueRequested": false,
                        "leftExpression": {
                          "expression": {
                            "expression": {
                              "arguments": [
                                {
                                  "hexValue": "30",
                                  "id": 3309,
                                  "isConstant": false,
                                  "isLValue": false,
                                  "isPure": true,
                                  "kind": "number",
                                  "lValueRequested": false,
                                  "nodeType": "Literal",
                                  "src": "324:1:6",
                                  "typeDescriptions": {
                                    "typeIdentifier": "t_rational_0_by_1",
                                    "typeString": "int_const 0"
                                  },
                                  "value": "0"
                                }
                              ],
                              "expression": {
                                "argumentTypes": [
                                  {
                                    "typeIdentifier": "t_rational_0_by_1",
                                    "typeString": "int_const 0"
                                  }
                                ],
                                "id": 3308,
                                "name": "ERC1155TokenReceiver",
                                "nodeType": "Identifier",
                                "overloadedDeclarations": [],
                                "referencedDeclaration": 3323,
                                "src": "303:20:6",
                                "typeDescriptions": {
                                  "typeIdentifier": "t_type$_t_contract$_ERC1155TokenReceiver_$3323_$",
                                  "typeString": "type(contract ERC1155TokenReceiver)"
                                }
                              },
                              "id": 3310,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "kind": "typeConversion",
                              "lValueRequested": false,
                              "names": [],
                              "nodeType": "FunctionCall",
                              "src": "303:23:6",
                              "tryCall": false,
                              "typeDescriptions": {
                                "typeIdentifier": "t_contract$_ERC1155TokenReceiver_$3323",
                                "typeString": "contract ERC1155TokenReceiver"
                              }
                            },
                            "id": 3311,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": false,
                            "lValueRequested": false,
                            "memberName": "onERC1155Received",
                            "nodeType": "MemberAccess",
                            "referencedDeclaration": 3790,
                            "src": "303:41:6",
                            "typeDescriptions": {
                              "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_uint256_$_t_bytes_memory_ptr_$returns$_t_bytes4_$",
                              "typeString": "function (address,address,uint256,uint256,bytes memory) external returns (bytes4)"
                            }
                          },
                          "id": 3312,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "memberName": "selector",
                          "nodeType": "MemberAccess",
                          "src": "303:50:6",
                          "typeDescriptions": {
                            "typeIdentifier": "t_bytes4",
                            "typeString": "bytes4"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "^",
                        "rightExpression": {
                          "expression": {
                            "expression": {
                              "arguments": [
                                {
                                  "hexValue": "30",
                                  "id": 3314,
                                  "isConstant": false,
                                  "isLValue": false,
                                  "isPure": true,
                                  "kind": "number",
                                  "lValueRequested": false,
                                  "nodeType": "Literal",
                                  "src": "389:1:6",
                                  "typeDescriptions": {
                                    "typeIdentifier": "t_rational_0_by_1",
                                    "typeString": "int_const 0"
                                  },
                                  "value": "0"
                                }
                              ],
                              "expression": {
                                "argumentTypes": [
                                  {
                                    "typeIdentifier": "t_rational_0_by_1",
                                    "typeString": "int_const 0"
                                  }
                                ],
                                "id": 3313,
                                "name": "ERC1155TokenReceiver",
                                "nodeType": "Identifier",
                                "overloadedDeclarations": [],
                                "referencedDeclaration": 3323,
                                "src": "368:20:6",
                                "typeDescriptions": {
                                  "typeIdentifier": "t_type$_t_contract$_ERC1155TokenReceiver_$3323_$",
                                  "typeString": "type(contract ERC1155TokenReceiver)"
                                }
                              },
                              "id": 3315,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "kind": "typeConversion",
                              "lValueRequested": false,
                              "names": [],
                              "nodeType": "FunctionCall",
                              "src": "368:23:6",
                              "tryCall": false,
                              "typeDescriptions": {
                                "typeIdentifier": "t_contract$_ERC1155TokenReceiver_$3323",
                                "typeString": "contract ERC1155TokenReceiver"
                              }
                            },
                            "id": 3316,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": false,
                            "lValueRequested": false,
                            "memberName": "onERC1155BatchReceived",
                            "nodeType": "MemberAccess",
                            "referencedDeclaration": 3808,
                            "src": "368:46:6",
                            "typeDescriptions": {
                              "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_array$_t_uint256_$dyn_memory_ptr_$_t_array$_t_uint256_$dyn_memory_ptr_$_t_bytes_memory_ptr_$returns$_t_bytes4_$",
                              "typeString": "function (address,address,uint256[] memory,uint256[] memory,bytes memory) external returns (bytes4)"
                            }
                          },
                          "id": 3317,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "lValueRequested": false,
                          "memberName": "selector",
                          "nodeType": "MemberAccess",
                          "src": "368:55:6",
                          "typeDescriptions": {
                            "typeIdentifier": "t_bytes4",
                            "typeString": "bytes4"
                          }
                        },
                        "src": "303:120:6",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bytes4",
                          "typeString": "bytes4"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bytes4",
                          "typeString": "bytes4"
                        }
                      ],
                      "id": 3307,
                      "name": "_registerInterface",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4380,
                      "src": "271:18:6",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_nonpayable$_t_bytes4_$returns$__$",
                        "typeString": "function (bytes4)"
                      }
                    },
                    "id": 3319,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "271:162:6",
                    "tryCall": false,
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 3320,
                  "nodeType": "ExpressionStatement",
                  "src": "271:162:6"
                }
              ]
            },
            "id": 3322,
            "implemented": true,
            "kind": "constructor",
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 3305,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "258:2:6"
            },
            "returnParameters": {
              "id": 3306,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "261:0:6"
            },
            "scope": 3323,
            "src": "247:193:6",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "internal"
          }
        ],
        "scope": 3324,
        "src": "169:273:6"
      }
    ],
    "src": "46:397:6"
  },
  "legacyAST": {
    "attributes": {
      "absolutePath": "/home/user/Projects/future-contracts/contracts/ERC1155/ERC1155TokenReceiver.sol",
      "exportedSymbols": {
        "ERC1155TokenReceiver": [
          3323
        ],
        "ERC165": [
          4381
        ],
        "IERC1155TokenReceiver": [
          3809
        ],
        "IERC165": [
          4393
        ]
      },
      "license": "LGPL-3.0-or-later"
    },
    "children": [
      {
        "attributes": {
          "literals": [
            "solidity",
            "^",
            "0.7",
            ".1"
          ]
        },
        "id": 3298,
        "name": "PragmaDirective",
        "src": "46:23:6"
      },
      {
        "attributes": {
          "SourceUnit": 3810,
          "absolutePath": "/home/user/Projects/future-contracts/contracts/ERC1155/IERC1155TokenReceiver.sol",
          "file": "./IERC1155TokenReceiver.sol",
          "scope": 3324,
          "symbolAliases": [
            null
          ],
          "unitAlias": ""
        },
        "id": 3299,
        "name": "ImportDirective",
        "src": "71:37:6"
      },
      {
        "attributes": {
          "SourceUnit": 4382,
          "absolutePath": "@openzeppelin/contracts/introspection/ERC165.sol",
          "file": "@openzeppelin/contracts/introspection/ERC165.sol",
          "scope": 3324,
          "symbolAliases": [
            null
          ],
          "unitAlias": ""
        },
        "id": 3300,
        "name": "ImportDirective",
        "src": "109:58:6"
      },
      {
        "attributes": {
          "abstract": true,
          "contractDependencies": [
            3809,
            4381,
            4393
          ],
          "contractKind": "contract",
          "fullyImplemented": false,
          "linearizedBaseContracts": [
            3323,
            3809,
            4381,
            4393
          ],
          "name": "ERC1155TokenReceiver",
          "scope": 3324
        },
        "children": [
          {
            "attributes": {},
            "children": [
              {
                "attributes": {
                  "name": "ERC165",
                  "referencedDeclaration": 4381,
                  "type": "contract ERC165"
                },
                "id": 3301,
                "name": "UserDefinedTypeName",
                "src": "211:6:6"
              }
            ],
            "id": 3302,
            "name": "InheritanceSpecifier",
            "src": "211:6:6"
          },
          {
            "attributes": {},
            "children": [
              {
                "attributes": {
                  "name": "IERC1155TokenReceiver",
                  "referencedDeclaration": 3809,
                  "type": "contract IERC1155TokenReceiver"
                },
                "id": 3303,
                "name": "UserDefinedTypeName",
                "src": "219:21:6"
              }
            ],
            "id": 3304,
            "name": "InheritanceSpecifier",
            "src": "219:21:6"
          },
          {
            "attributes": {
              "implemented": true,
              "isConstructor": true,
              "kind": "constructor",
              "modifiers": [
                null
              ],
              "name": "",
              "scope": 3323,
              "stateMutability": "nonpayable",
              "virtual": false,
              "visibility": "internal"
            },
            "children": [
              {
                "attributes": {
                  "parameters": [
                    null
                  ]
                },
                "children": [],
                "id": 3305,
                "name": "ParameterList",
                "src": "258:2:6"
              },
              {
                "attributes": {
                  "parameters": [
                    null
                  ]
                },
                "children": [],
                "id": 3306,
                "name": "ParameterList",
                "src": "261:0:6"
              },
              {
                "children": [
                  {
                    "children": [
                      {
                        "attributes": {
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": false,
                          "isStructConstructorCall": false,
                          "lValueRequested": false,
                          "names": [
                            null
                          ],
                          "tryCall": false,
                          "type": "tuple()",
                          "type_conversion": false
                        },
                        "children": [
                          {
                            "attributes": {
                              "argumentTypes": [
                                {
                                  "typeIdentifier": "t_bytes4",
                                  "typeString": "bytes4"
                                }
                              ],
                              "overloadedDeclarations": [
                                null
                              ],
                              "referencedDeclaration": 4380,
                              "type": "function (bytes4)",
                              "value": "_registerInterface"
                            },
                            "id": 3307,
                            "name": "Identifier",
                            "src": "271:18:6"
                          },
                          {
                            "attributes": {
                              "commonType": {
                                "typeIdentifier": "t_bytes4",
                                "typeString": "bytes4"
                              },
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "lValueRequested": false,
                              "operator": "^",
                              "type": "bytes4"
                            },
                            "children": [
                              {
                                "attributes": {
                                  "isConstant": false,
                                  "isLValue": false,
                                  "isPure": true,
                                  "lValueRequested": false,
                                  "member_name": "selector",
                                  "type": "bytes4"
                                },
                                "children": [
                                  {
                                    "attributes": {
                                      "isConstant": false,
                                      "isLValue": false,
                                      "isPure": false,
                                      "lValueRequested": false,
                                      "member_name": "onERC1155Received",
                                      "referencedDeclaration": 3790,
                                      "type": "function (address,address,uint256,uint256,bytes memory) external returns (bytes4)"
                                    },
                                    "children": [
                                      {
                                        "attributes": {
                                          "isConstant": false,
                                          "isLValue": false,
                                          "isPure": true,
                                          "isStructConstructorCall": false,
                                          "lValueRequested": false,
                                          "names": [
                                            null
                                          ],
                                          "tryCall": false,
                                          "type": "contract ERC1155TokenReceiver",
                                          "type_conversion": true
                                        },
                                        "children": [
                                          {
                                            "attributes": {
                                              "argumentTypes": [
                                                {
                                                  "typeIdentifier": "t_rational_0_by_1",
                                                  "typeString": "int_const 0"
                                                }
                                              ],
                                              "overloadedDeclarations": [
                                                null
                                              ],
                                              "referencedDeclaration": 3323,
                                              "type": "type(contract ERC1155TokenReceiver)",
                                              "value": "ERC1155TokenReceiver"
                                            },
                                            "id": 3308,
                                            "name": "Identifier",
                                            "src": "303:20:6"
                                          },
                                          {
                                            "attributes": {
                                              "hexvalue": "30",
                                              "isConstant": false,
                                              "isLValue": false,
                                              "isPure": true,
                                              "lValueRequested": false,
                                              "token": "number",
                                              "type": "int_const 0",
                                              "value": "0"
                                            },
                                            "id": 3309,
                                            "name": "Literal",
                                            "src": "324:1:6"
                                          }
                                        ],
                                        "id": 3310,
                                        "name": "FunctionCall",
                                        "src": "303:23:6"
                                      }
                                    ],
                                    "id": 3311,
                                    "name": "MemberAccess",
                                    "src": "303:41:6"
                                  }
                                ],
                                "id": 3312,
                                "name": "MemberAccess",
                                "src": "303:50:6"
                              },
                              {
                                "attributes": {
                                  "isConstant": false,
                                  "isLValue": false,
                                  "isPure": true,
                                  "lValueRequested": false,
                                  "member_name": "selector",
                                  "type": "bytes4"
                                },
                                "children": [
                                  {
                                    "attributes": {
                                      "isConstant": false,
                                      "isLValue": false,
                                      "isPure": false,
                                      "lValueRequested": false,
                                      "member_name": "onERC1155BatchReceived",
                                      "referencedDeclaration": 3808,
                                      "type": "function (address,address,uint256[] memory,uint256[] memory,bytes memory) external returns (bytes4)"
                                    },
                                    "children": [
                                      {
                                        "attributes": {
                                          "isConstant": false,
                                          "isLValue": false,
                                          "isPure": true,
                                          "isStructConstructorCall": false,
                                          "lValueRequested": false,
                                          "names": [
                                            null
                                          ],
                                          "tryCall": false,
                                          "type": "contract ERC1155TokenReceiver",
                                          "type_conversion": true
                                        },
                                        "children": [
                                          {
                                            "attributes": {
                                              "argumentTypes": [
                                                {
                                                  "typeIdentifier": "t_rational_0_by_1",
                                                  "typeString": "int_const 0"
                                                }
                                              ],
                                              "overloadedDeclarations": [
                                                null
                                              ],
                                              "referencedDeclaration": 3323,
                                              "type": "type(contract ERC1155TokenReceiver)",
                                              "value": "ERC1155TokenReceiver"
                                            },
                                            "id": 3313,
                                            "name": "Identifier",
                                            "src": "368:20:6"
                                          },
                                          {
                                            "attributes": {
                                              "hexvalue": "30",
                                              "isConstant": false,
                                              "isLValue": false,
                                              "isPure": true,
                                              "lValueRequested": false,
                                              "token": "number",
                                              "type": "int_const 0",
                                              "value": "0"
                                            },
                                            "id": 3314,
                                            "name": "Literal",
                                            "src": "389:1:6"
                                          }
                                        ],
                                        "id": 3315,
                                        "name": "FunctionCall",
                                        "src": "368:23:6"
                                      }
                                    ],
                                    "id": 3316,
                                    "name": "MemberAccess",
                                    "src": "368:46:6"
                                  }
                                ],
                                "id": 3317,
                                "name": "MemberAccess",
                                "src": "368:55:6"
                              }
                            ],
                            "id": 3318,
                            "name": "BinaryOperation",
                            "src": "303:120:6"
                          }
                        ],
                        "id": 3319,
                        "name": "FunctionCall",
                        "src": "271:162:6"
                      }
                    ],
                    "id": 3320,
                    "name": "ExpressionStatement",
                    "src": "271:162:6"
                  }
                ],
                "id": 3321,
                "name": "Block",
                "src": "261:179:6"
              }
            ],
            "id": 3322,
            "name": "FunctionDefinition",
            "src": "247:193:6"
          }
        ],
        "id": 3323,
        "name": "ContractDefinition",
        "src": "169:273:6"
      }
    ],
    "id": 3324,
    "name": "SourceUnit",
    "src": "46:397:6"
  },
  "compiler": {
    "name": "solc",
    "version": "0.7.6+commit.7338295f.Emscripten.clang"
  },
  "networks": {},
  "schemaVersion": "3.4.1",
  "updatedAt": "2021-06-03T23:56:22.294Z",
  "devdoc": {
    "kind": "dev",
    "methods": {
      "onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)": {
        "details": "Handles the receipt of a multiple ERC1155 token types. This function is called at the end of a `safeBatchTransferFrom` after the balances have been updated. To accept the transfer(s), this must return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` (i.e. 0xbc197c81, or its own function selector).",
        "params": {
          "data": "Additional data with no specified format",
          "from": "The address which previously owned the token",
          "ids": "An array containing ids of each token being transferred (order and length must match values array)",
          "operator": "The address which initiated the batch transfer (i.e. msg.sender)",
          "values": "An array containing amounts of each token being transferred (order and length must match ids array)"
        },
        "returns": {
          "_0": "`bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed"
        }
      },
      "onERC1155Received(address,address,uint256,uint256,bytes)": {
        "details": "Handles the receipt of a single ERC1155 token type. This function is called at the end of a `safeTransferFrom` after the balance has been updated. To accept the transfer, this must return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` (i.e. 0xf23a6e61, or its own function selector).",
        "params": {
          "data": "Additional data with no specified format",
          "from": "The address which previously owned the token",
          "id": "The ID of the token being transferred",
          "operator": "The address which initiated the transfer (i.e. msg.sender)",
          "value": "The amount of tokens being transferred"
        },
        "returns": {
          "_0": "`bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed"
        }
      },
      "supportsInterface(bytes4)": {
        "details": "See {IERC165-supportsInterface}. Time complexity O(1), guaranteed to always use less than 30 000 gas."
      }
    },
    "version": 1
  },
  "userdoc": {
    "kind": "user",
    "methods": {},
    "version": 1
  }
}