Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.0;

contract Contributions {
    address payable public contributionAddress = payable(0x30f47deeB98a3C3bF84dF9e720b8463C0867C47f);

    uint256 public weiRaised;
    mapping(address => uint256) public balances;

    event Contribution(address from, uint value);

    receive() external payable {
        _buyTokens(msg.sender);
    }

    function _buyTokens(address _beneficiary) public payable {
        uint256 weiAmount = msg.value;
        weiRaised += weiAmount;
        balances[_beneficiary] += weiAmount;

        emit Contribution(msg.sender, weiAmount);
        contributionAddress.transfer(msg.value);
    }

    function contribution(address _wallet) public view returns (uint256) {
        return balances[_wallet];
    }
}

{
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Contribution","type":"event"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"_buyTokens","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_wallet","type":"address"}],"name":"contribution","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contributionAddress","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"weiRaised","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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