Simple ETH Contract
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// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; contract SimpleStorage { // Variable to store the data uint256 private data; // Event to emit when data is updated event DataUpdated(uint256 oldData, uint256 newData); // Function to set the data function set(uint256 _data) public { uint256 oldData = data; // Keep track of old value data = _data; emit DataUpdated(oldData, _data); // Emit event } // Function to get the data function get() public view returns (uint256) { return data; } }
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