{
  "abi": [
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "owner",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "spender",
          "type": "address"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "value",
          "type": "uint256"
        }
      ],
      "name": "Approval",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "from",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "to",
          "type": "address"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "value",
          "type": "uint256"
        }
      ],
      "name": "Transfer",
      "type": "event"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "owner",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "spender",
          "type": "address"
        }
      ],
      "name": "allowance",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "spender",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "amount",
          "type": "uint256"
        }
      ],
      "name": "approve",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "account",
          "type": "address"
        }
      ],
      "name": "balanceOf",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "totalSupply",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "to",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "amount",
          "type": "uint256"
        }
      ],
      "name": "transfer",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "from",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "to",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "amount",
          "type": "uint256"
        }
      ],
      "name": "transferFrom",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "allSourcePaths": {
    "1": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/token/ERC20/IERC20.sol"
  },
  "ast": {
    "absolutePath": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/token/ERC20/IERC20.sol",
    "exportedSymbols": {
      "IERC20": [
        4956
      ]
    },
    "id": 4957,
    "license": "MIT",
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 4880,
        "literals": [
          "solidity",
          "^",
          "0.8",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "106:23:1"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "interface",
        "documentation": {
          "id": 4881,
          "nodeType": "StructuredDocumentation",
          "src": "131:70:1",
          "text": " @dev Interface of the ERC20 standard as defined in the EIP."
        },
        "fullyImplemented": false,
        "id": 4956,
        "linearizedBaseContracts": [
          4956
        ],
        "name": "IERC20",
        "nameLocation": "212:6:1",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "anonymous": false,
            "documentation": {
              "id": 4882,
              "nodeType": "StructuredDocumentation",
              "src": "225:158:1",
              "text": " @dev Emitted when `value` tokens are moved from one account (`from`) to\n another (`to`).\n Note that `value` may be zero."
            },
            "id": 4890,
            "name": "Transfer",
            "nameLocation": "394:8:1",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 4889,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4884,
                  "indexed": true,
                  "mutability": "mutable",
                  "name": "from",
                  "nameLocation": "419:4:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4890,
                  "src": "403:20:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4883,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "403:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4886,
                  "indexed": true,
                  "mutability": "mutable",
                  "name": "to",
                  "nameLocation": "441:2:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4890,
                  "src": "425:18:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4885,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "425:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4888,
                  "indexed": false,
                  "mutability": "mutable",
                  "name": "value",
                  "nameLocation": "453:5:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4890,
                  "src": "445:13:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 4887,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "445:7:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "402:57:1"
            },
            "src": "388:72:1"
          },
          {
            "anonymous": false,
            "documentation": {
              "id": 4891,
              "nodeType": "StructuredDocumentation",
              "src": "466:148:1",
              "text": " @dev Emitted when the allowance of a `spender` for an `owner` is set by\n a call to {approve}. `value` is the new allowance."
            },
            "id": 4899,
            "name": "Approval",
            "nameLocation": "625:8:1",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 4898,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4893,
                  "indexed": true,
                  "mutability": "mutable",
                  "name": "owner",
                  "nameLocation": "650:5:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4899,
                  "src": "634:21:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4892,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "634:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4895,
                  "indexed": true,
                  "mutability": "mutable",
                  "name": "spender",
                  "nameLocation": "673:7:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4899,
                  "src": "657:23:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4894,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "657:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4897,
                  "indexed": false,
                  "mutability": "mutable",
                  "name": "value",
                  "nameLocation": "690:5:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4899,
                  "src": "682:13:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 4896,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "682:7:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "633:63:1"
            },
            "src": "619:78:1"
          },
          {
            "documentation": {
              "id": 4900,
              "nodeType": "StructuredDocumentation",
              "src": "703:66:1",
              "text": " @dev Returns the amount of tokens in existence."
            },
            "functionSelector": "18160ddd",
            "id": 4905,
            "implemented": false,
            "kind": "function",
            "modifiers": [],
            "name": "totalSupply",
            "nameLocation": "783:11:1",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4901,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "794:2:1"
            },
            "returnParameters": {
              "id": 4904,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4903,
                  "mutability": "mutable",
                  "name": "",
                  "nameLocation": "-1:-1:-1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4905,
                  "src": "820:7:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 4902,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "820:7:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "819:9:1"
            },
            "scope": 4956,
            "src": "774:55:1",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          },
          {
            "documentation": {
              "id": 4906,
              "nodeType": "StructuredDocumentation",
              "src": "835:72:1",
              "text": " @dev Returns the amount of tokens owned by `account`."
            },
            "functionSelector": "70a08231",
            "id": 4913,
            "implemented": false,
            "kind": "function",
            "modifiers": [],
            "name": "balanceOf",
            "nameLocation": "921:9:1",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4909,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4908,
                  "mutability": "mutable",
                  "name": "account",
                  "nameLocation": "939:7:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4913,
                  "src": "931:15:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4907,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "931:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "930:17:1"
            },
            "returnParameters": {
              "id": 4912,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4911,
                  "mutability": "mutable",
                  "name": "",
                  "nameLocation": "-1:-1:-1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4913,
                  "src": "971:7:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 4910,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "971:7:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "970:9:1"
            },
            "scope": 4956,
            "src": "912:68:1",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          },
          {
            "documentation": {
              "id": 4914,
              "nodeType": "StructuredDocumentation",
              "src": "986:202:1",
              "text": " @dev Moves `amount` tokens from the caller's account to `to`.\n Returns a boolean value indicating whether the operation succeeded.\n Emits a {Transfer} event."
            },
            "functionSelector": "a9059cbb",
            "id": 4923,
            "implemented": false,
            "kind": "function",
            "modifiers": [],
            "name": "transfer",
            "nameLocation": "1202:8:1",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4919,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4916,
                  "mutability": "mutable",
                  "name": "to",
                  "nameLocation": "1219:2:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4923,
                  "src": "1211:10:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4915,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1211:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4918,
                  "mutability": "mutable",
                  "name": "amount",
                  "nameLocation": "1231:6:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4923,
                  "src": "1223:14:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 4917,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1223:7:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "1210:28:1"
            },
            "returnParameters": {
              "id": 4922,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4921,
                  "mutability": "mutable",
                  "name": "",
                  "nameLocation": "-1:-1:-1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4923,
                  "src": "1257:4:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 4920,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "1257:4:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "1256:6:1"
            },
            "scope": 4956,
            "src": "1193:70:1",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "external"
          },
          {
            "documentation": {
              "id": 4924,
              "nodeType": "StructuredDocumentation",
              "src": "1269:264:1",
              "text": " @dev Returns the remaining number of tokens that `spender` will be\n allowed to spend on behalf of `owner` through {transferFrom}. This is\n zero by default.\n This value changes when {approve} or {transferFrom} are called."
            },
            "functionSelector": "dd62ed3e",
            "id": 4933,
            "implemented": false,
            "kind": "function",
            "modifiers": [],
            "name": "allowance",
            "nameLocation": "1547:9:1",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4929,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4926,
                  "mutability": "mutable",
                  "name": "owner",
                  "nameLocation": "1565:5:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4933,
                  "src": "1557:13:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4925,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1557:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4928,
                  "mutability": "mutable",
                  "name": "spender",
                  "nameLocation": "1580:7:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4933,
                  "src": "1572:15:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4927,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1572:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "1556:32:1"
            },
            "returnParameters": {
              "id": 4932,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4931,
                  "mutability": "mutable",
                  "name": "",
                  "nameLocation": "-1:-1:-1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4933,
                  "src": "1612:7:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 4930,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1612:7:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "1611:9:1"
            },
            "scope": 4956,
            "src": "1538:83:1",
            "stateMutability": "view",
            "virtual": false,
            "visibility": "external"
          },
          {
            "documentation": {
              "id": 4934,
              "nodeType": "StructuredDocumentation",
              "src": "1627:642:1",
              "text": " @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n Returns a boolean value indicating whether the operation succeeded.\n IMPORTANT: Beware that changing an allowance with this method brings the risk\n that someone may use both the old and the new allowance by unfortunate\n transaction ordering. One possible solution to mitigate this race\n condition is to first reduce the spender's allowance to 0 and set the\n desired value afterwards:\n https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n Emits an {Approval} event."
            },
            "functionSelector": "095ea7b3",
            "id": 4943,
            "implemented": false,
            "kind": "function",
            "modifiers": [],
            "name": "approve",
            "nameLocation": "2283:7:1",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4939,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4936,
                  "mutability": "mutable",
                  "name": "spender",
                  "nameLocation": "2299:7:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4943,
                  "src": "2291:15:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4935,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "2291:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4938,
                  "mutability": "mutable",
                  "name": "amount",
                  "nameLocation": "2316:6:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4943,
                  "src": "2308:14:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 4937,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "2308:7:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "2290:33:1"
            },
            "returnParameters": {
              "id": 4942,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4941,
                  "mutability": "mutable",
                  "name": "",
                  "nameLocation": "-1:-1:-1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4943,
                  "src": "2342:4:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 4940,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "2342:4:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "2341:6:1"
            },
            "scope": 4956,
            "src": "2274:74:1",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "external"
          },
          {
            "documentation": {
              "id": 4944,
              "nodeType": "StructuredDocumentation",
              "src": "2354:287:1",
              "text": " @dev Moves `amount` tokens from `from` to `to` using the\n allowance mechanism. `amount` is then deducted from the caller's\n allowance.\n Returns a boolean value indicating whether the operation succeeded.\n Emits a {Transfer} event."
            },
            "functionSelector": "23b872dd",
            "id": 4955,
            "implemented": false,
            "kind": "function",
            "modifiers": [],
            "name": "transferFrom",
            "nameLocation": "2655:12:1",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4951,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4946,
                  "mutability": "mutable",
                  "name": "from",
                  "nameLocation": "2685:4:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4955,
                  "src": "2677:12:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4945,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "2677:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4948,
                  "mutability": "mutable",
                  "name": "to",
                  "nameLocation": "2707:2:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4955,
                  "src": "2699:10:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4947,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "2699:7:1",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4950,
                  "mutability": "mutable",
                  "name": "amount",
                  "nameLocation": "2727:6:1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4955,
                  "src": "2719:14:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 4949,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "2719:7:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "2667:72:1"
            },
            "returnParameters": {
              "id": 4954,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4953,
                  "mutability": "mutable",
                  "name": "",
                  "nameLocation": "-1:-1:-1",
                  "nodeType": "VariableDeclaration",
                  "scope": 4955,
                  "src": "2758:4:1",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
                    "id": 4952,
                    "name": "bool",
                    "nodeType": "ElementaryTypeName",
                    "src": "2758:4:1",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bool",
                      "typeString": "bool"
                    }
                  },
                  "visibility": "internal"
                }
              ],
              "src": "2757:6:1"
            },
            "scope": 4956,
            "src": "2646:118:1",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 4957,
        "src": "202:2564:1"
      }
    ],
    "src": "106:2661:1"
  },
  "bytecode": "",
  "bytecodeSha1": "da39a3ee5e6b4b0d3255bfef95601890afd80709",
  "compiler": {
    "evm_version": "istanbul",
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "version": "0.8.2+commit.661d1103"
  },
  "contractName": "IERC20",
  "coverageMap": {
    "branches": {},
    "statements": {}
  },
  "dependencies": [],
  "deployedBytecode": "",
  "deployedSourceMap": "",
  "language": "Solidity",
  "natspec": {
    "details": "Interface of the ERC20 standard as defined in the EIP.",
    "events": {
      "Approval(address,address,uint256)": {
        "details": "Emitted when the allowance of a `spender` for an `owner` is set by a call to {approve}. `value` is the new allowance."
      },
      "Transfer(address,address,uint256)": {
        "details": "Emitted when `value` tokens are moved from one account (`from`) to another (`to`). Note that `value` may be zero."
      }
    },
    "kind": "dev",
    "methods": {
      "allowance(address,address)": {
        "details": "Returns the remaining number of tokens that `spender` will be allowed to spend on behalf of `owner` through {transferFrom}. This is zero by default. This value changes when {approve} or {transferFrom} are called."
      },
      "approve(address,uint256)": {
        "details": "Sets `amount` as the allowance of `spender` over the caller's tokens. Returns a boolean value indicating whether the operation succeeded. IMPORTANT: Beware that changing an allowance with this method brings the risk that someone may use both the old and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 Emits an {Approval} event."
      },
      "balanceOf(address)": {
        "details": "Returns the amount of tokens owned by `account`."
      },
      "totalSupply()": {
        "details": "Returns the amount of tokens in existence."
      },
      "transfer(address,uint256)": {
        "details": "Moves `amount` tokens from the caller's account to `to`. Returns a boolean value indicating whether the operation succeeded. Emits a {Transfer} event."
      },
      "transferFrom(address,address,uint256)": {
        "details": "Moves `amount` tokens from `from` to `to` using the allowance mechanism. `amount` is then deducted from the caller's allowance. Returns a boolean value indicating whether the operation succeeded. Emits a {Transfer} event."
      }
    },
    "version": 1
  },
  "offset": [
    202,
    2766
  ],
  "opcodes": "",
  "pcMap": {},
  "sha1": "3f8f9d66083281998547ead9e2a599f5e3d049f8",
  "source": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the amount of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves `amount` tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Moves `amount` tokens from `from` to `to` using the\n     * allowance mechanism. `amount` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 amount\n    ) external returns (bool);\n}\n",
  "sourceMap": "",
  "sourcePath": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/token/ERC20/IERC20.sol",
  "type": "interface"
}