Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
interface sdeamon0xRandomCallback 
{
    function onRandomCallback(uint256 uid, uint256 res) external;
}
interface sdeamon0xRandomItf 
{
    function beginRandom(address CA) external returns (uint256);
}
contract deamon0xRandomCheck is sdeamon0xRandomCallback 
{
    event OnCheck(string name, uint256 uid);
    event OnRandom(string name, uint256 uid, uint256 rnd);
    address public owner;
    constructor() {
        owner = msg.sender;
    }
    sdeamon0xRandomItf public randomizer;
    function setRandomizer(address rnd) public {
        require(owner == msg.sender);
        randomizer = sdeamon0xRandomItf(rnd);   
    }
    mapping(string => uint256) public test_A;
    mapping(uint256 => string) public test_B;
    function check(string memory name) public {
        //require(owner == msg.sender);
        uint256 uid = randomizer.beginRandom(address(this));
        test_A[name] = uid;
        test_B[uid] = name;
        emit OnCheck(name, uid);
    }
    uint256 public _modulo = 1000;
    function setModulo(uint256 modulo) public {
        require(owner == msg.sender);
        _modulo = modulo;
    }
    function onRandomCallback(uint256 uid, uint256 res) external {
        require(test_A[test_B[uid]] == uid, "check failed");
        string storage name = test_B[uid];
        emit OnRandom(name, uid, res % _modulo);
    }
}

{
  "metadata": {
    "appendCBOR": true,
    "bytecodeHash": "ipfs",
    "useLiteralContent": false
  },
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "viaIR": true,
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"uint256","name":"uid","type":"uint256"}],"name":"OnCheck","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"uint256","name":"uid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rnd","type":"uint256"}],"name":"OnRandom","type":"event"},{"inputs":[],"name":"_modulo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"name","type":"string"}],"name":"check","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"uid","type":"uint256"},{"internalType":"uint256","name":"res","type":"uint256"}],"name":"onRandomCallback","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"randomizer","outputs":[{"internalType":"contract sdeamon0xRandomItf","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"modulo","type":"uint256"}],"name":"setModulo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"rnd","type":"address"}],"name":"setRandomizer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"","type":"string"}],"name":"test_A","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"test_B","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]

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ipfs://9aee402365dd2ea5871e6c5b9ae08513b41415e886d63566652a4a7fd3b2110f