【教程】go-sdk开发简易转账流程

前言

在区块链开发中，go语言有着不小的分量，无论是合约代码还是后端开发都会用到go语言，本教程简单讲述FISCO-BCOS通过go-sdk，进行简单。

正文 创建工作目录

mkdir -p asset/cmd cmd 用来装后期的go文件

准备合约

创建合约 vim asset.sol

pragma solidity ^0.4.21;

contract Asset {
    address public issuer;
    mapping (address => uint) public balances;

    event Sent(address from, address to, uint amount);

    constructor() {
        issuer = msg.sender;
    }

    function issue(address receiver, uint amount) public {
        if (msg.sender != issuer) return;
        balances[receiver] += amount;
    }

    function send(address receiver, uint amount) public {
        if (balances[msg.sender] < amount) return;
        balances[msg.sender] -= amount;
        balances[rec