[Smart Contract 1] Ethereum Solidity Smart Contract #solidity #SmartContract

contract1.sol

 pragma solidity 0.5.0
 
 contract SimpleContract {
    uint256 value = 0;
    bool success = false;
    
    constructor() public {
    	value = 1;
    }
    
    function addValue(uint256 _input) public returns (bool) {
    	value += _input;
        if (value > _input) { success = true }
    	return success
    }
 }