{
  "fileName": "IERC777Sender.sol",
  "contractName": "IERC777Sender",
  "source": "pragma solidity ^0.6.0;\n\n/**\n * @dev Interface of the ERC777TokensSender standard as defined in the EIP.\n *\n * {IERC777} Token holders can be notified of operations performed on their\n * tokens by having a contract implement this interface (contract holders can be\n *  their own implementer) and registering it on the\n * https://eips.ethereum.org/EIPS/eip-1820[ERC1820 global registry].\n *\n * See {IERC1820Registry} and {ERC1820Implementer}.\n */\ninterface IERC777Sender {\n    /**\n     * @dev Called by an {IERC777} token contract whenever a registered holder's\n     * (`from`) tokens are about to be moved or destroyed. The type of operation\n     * is conveyed by `to` being the zero address or not.\n     *\n     * This call occurs _before_ the token contract's state is updated, so\n     * {IERC777-balanceOf}, etc., can be used to query the pre-operation state.\n     *\n     * This function may revert to prevent the operation from being executed.\n     */\n    function tokensToSend(\n        address operator,\n        address from,\n        address to,\n        uint256 amount,\n        bytes calldata userData,\n        bytes calldata operatorData\n    ) external;\n}\n",
  "sourcePath": "contracts/token/ERC777/IERC777Sender.sol",
  "sourceMap": "",
  "deployedSourceMap": "",
  "abi": [
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "operator",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "from",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "to",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "amount",
          "type": "uint256"
        },
        {
          "internalType": "bytes",
          "name": "userData",
          "type": "bytes"
        },
        {
          "internalType": "bytes",
          "name": "operatorData",
          "type": "bytes"
        }
      ],
      "name": "tokensToSend",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "ast": {
    "absolutePath": "contracts/token/ERC777/IERC777Sender.sol",
    "exportedSymbols": {
      "IERC777Sender": [
        13873
      ]
    },
    "id": 13874,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 13855,
        "literals": [
          "solidity",
          "^",
          "0.6",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:23:97"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "interface",
        "documentation": {
          "id": 13856,
          "nodeType": "StructuredDocumentation",
          "src": "25:420:97",
          "text": "@dev Interface of the ERC777TokensSender standard as defined in the EIP.\n * {IERC777} Token holders can be notified of operations performed on their\ntokens by having a contract implement this interface (contract holders can be\n their own implementer) and registering it on the\nhttps://eips.ethereum.org/EIPS/eip-1820[ERC1820 global registry].\n * See {IERC1820Registry} and {ERC1820Implementer}."
        },
        "fullyImplemented": false,
        "id": 13873,
        "linearizedBaseContracts": [
          13873
        ],
        "name": "IERC777Sender",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "body": null,
            "documentation": {
              "id": 13857,
              "nodeType": "StructuredDocumentation",
              "src": "476:478:97",
              "text": "@dev Called by an {IERC777} token contract whenever a registered holder's\n(`from`) tokens are about to be moved or destroyed. The type of operation\nis conveyed by `to` being the zero address or not.\n     * This call occurs _before_ the token contract's state is updated, so\n{IERC777-balanceOf}, etc., can be used to query the pre-operation state.\n     * This function may revert to prevent the operation from being executed."
            },
            "functionSelector": "75ab9782",
            "id": 13872,
            "implemented": false,
            "kind": "function",
            "modifiers": [],
            "name": "tokensToSend",
            "nodeType": "FunctionDefinition",
            "overrides": null,
            "parameters": {
              "id": 13870,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 13859,
                  "mutability": "mutable",
                  "name": "operator",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 13872,
                  "src": "990:16:97",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 13858,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "990:7:97",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 13861,
                  "mutability": "mutable",
                  "name": "from",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 13872,
                  "src": "1016:12:97",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 13860,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1016:7:97",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 13863,
                  "mutability": "mutable",
                  "name": "to",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 13872,
                  "src": "1038:10:97",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 13862,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1038:7:97",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 13865,
                  "mutability": "mutable",
                  "name": "amount",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 13872,
                  "src": "1058:14:97",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 13864,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "1058:7:97",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 13867,
                  "mutability": "mutable",
                  "name": "userData",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 13872,
                  "src": "1082:23:97",
                  "stateVariable": false,
                  "storageLocation": "calldata",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bytes_calldata_ptr",
                    "typeString": "bytes"
                  },
                  "typeName": {
                    "id": 13866,
                    "name": "bytes",
                    "nodeType": "ElementaryTypeName",
                    "src": "1082:5:97",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes_storage_ptr",
                      "typeString": "bytes"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 13869,
                  "mutability": "mutable",
                  "name": "operatorData",
                  "nodeType": "VariableDeclaration",
                  "overrides": null,
                  "scope": 13872,
                  "src": "1115:27:97",
                  "stateVariable": false,
                  "storageLocation": "calldata",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bytes_calldata_ptr",
                    "typeString": "bytes"
                  },
                  "typeName": {
                    "id": 13868,
                    "name": "bytes",
                    "nodeType": "ElementaryTypeName",
                    "src": "1115:5:97",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes_storage_ptr",
                      "typeString": "bytes"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "980:168:97"
            },
            "returnParameters": {
              "id": 13871,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1157:0:97"
            },
            "scope": 13873,
            "src": "959:199:97",
            "stateMutability": "nonpayable",
            "virtual": false,
            "visibility": "external"
          }
        ],
        "scope": 13874,
        "src": "446:714:97"
      }
    ],
    "src": "0:1161:97"
  },
  "bytecode": "0x",
  "deployedBytecode": "0x",
  "compiler": {
    "name": "solc",
    "version": "0.6.7+commit.b8d736ae.Emscripten.clang",
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "evmVersion": "petersburg"
  }
}