以太坊智能合约课

Posted 2020-12-21 wangguanyi

第03课-部署智能合约

 

第03课--部署智能合约

1.部署到Truffle

Truffle中文文档地址：

https://learnblockchain.cn/docs/truffle/index.html

1.安装 Truffle：

npm install -g truffle

2.新建项目文件夹

mkdir myProject    
cd myProject
truffle init

3.安装Openzeppelin

npm install @openzeppelin/contracts@2.5.0

4.创建Token.sol

vim contracts/Token.sol

pragma solidity ^0.5.0;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20Detailed.sol";
contract ExampleToken is ERC20, ERC20Detailed {
  constructor () public
  ERC20Detailed("CuiToken", "CUI", 18){
    _mint(msg.sender,10000000000 * (10 ** uint256(decimals())));
  }
}

5.编译

truffle compile

6.创建文件

vim migrations/2_deploy_contracts.js

const ExampleToken = artifacts.require("ExampleToken");

module.exports = function(deployer) {
  deployer.deploy(ExampleToken);
};

7.部署到Truffle develop

truffle develop

migrate

8.合约调用

var myCoin
ExampleToken.deployed().then(function(instance){myCoin=instance})

2.部署到Ganache

1.修改truffle-config.js文件

vim truffle-config.js

module.exports = {
  	networks: {
      development: {
        host: "192.168.1.30",     // Localhost (default: none)
        port: 7545,            // Standard Ethereum port (default: none)
        network_id: "*",       // Any network (default: none)
      },
    }
};

2.部署到Ganache

truffle console

migrate

3.合约调用

var myCoin
ExampleToken.deployed().then(function(instance){myCoin=instance})

3.部署到Ropsten

1.安装HDWalletProvider

npm install truffle-hdwallet-provider

2.获取Ropsten测试币

获取地址：

https://faucet.ropsten.be/

3.获取MetaMask助记词

4.注册Infura，获取测试网或主网的KEY

地址：

https://infura.io/

5.修改truffle-config.js文件

vim truffle-config.js

var HDWalletProvider = require("truffle-hdwallet-provider");  // 导入模块
var mnemonic = "oppose say prevent raven mystery fiber program pupil poverty else pill enact";  //MetaMask的助记词。

module.exports = {
  	networks: {
        ropsten: {
            provider: function() {
                // mnemonic表示MetaMask的助记词。 "ropsten.infura.io/v3/33..."表示Infura上的项目id
                return new HDWalletProvider(mnemonic, "https://ropsten.infura.io/v3/e1bb25c2b20b4b5383517028056c89a3", 1);   // 0表示第二个账户(从0开始)
            },
            network_id: "*",  // match any network
            gas: 3012388,
            gasPrice: 20000000000,
            confirmations: 2,    // # of confs to wait between deployments. (default: 0)
            timeoutBlocks: 200,  // # of blocks before a deployment times out  (minimum/default: 50)
            skipDryRun: true     // Skip dry run before migrations? (default: false for public nets )
        },
  	}
};

6.部署

truffle migrate  --network ropsten

7.合约调用

truffle console --network ropsten

var myCoin
ExampleToken.deployed().then(function(instance){myCoin=instance})

4.部署到主网

1.修改truffle-config.js文件

vim truffle-config.js

var HDWalletProvider = require("truffle-hdwallet-provider");  // 导入模块
var mnemonic_mainnet = "主网助记词";  //MetaMask的助记词。

module.exports = {
  	networks: {
      mainnet: {
        provider: new HDWalletProvider(mnemonic_mainnet, "https://mainnet.infura.io/e1bb25c2b20b4b5383517028056c89a3"),
        network_id: 1,
        gas: 3012388,
        gasPrice: 20000000000,
        confirmations: 2,    // # of confs to wait between deployments. (default: 0)
        timeoutBlocks: 200,  // # of blocks before a deployment times out  (minimum/default: 50)
        skipDryRun: true     // Skip dry run before migrations? (default: false for public nets )
      }
  	}
};

2.部署

truffle migrate  --network mainnet

3.合约调用

truffle console --network mainnet

var myCoin
ExampleToken.deployed().then(function(instance){myCoin=instance})