openzeppelin开发配置

const { projectId, mnemonic } = require('./secrets.json');
const HDWalletProvider = require('@truffle/hdwallet-provider');
module.exports = {
networks: {
 rinkeby: {
   provider: () => new HDWalletProvider(
     mnemonic, `https://rinkeby.infura.io/v3/0c23855fdde64855986fd08b858f1906`
   ),
   networkId: 4,
   gasPrice: 10e9
 },
 development: {
   protocol: 'http',
   host: 'localhost',
   port: 8545,
   gas: 5000000,
   gasPrice: 5e9,
   networkId: '*',
 },
},
};

//@openzeppelin/contracts-ethereum-package
//安装
sudo npm install @openzeppelin/contracts-ethereum-package --unsafe-perm=true --allow-root
//将OpenZeppelin合约以太坊软件包链接到项目中
npx oz link @openzeppelin/contracts-ethereum-package
//执行命令选择选项就可以发行Token
npx oz create
The create command is deprecated. Use deploy instead.
Nothing to compile, all contracts are up to date.
? Pick a contract to instantiate @openzeppelin/contracts-ethereum-package/ERC20PresetMinterPauserUpgrade
Safe
? Pick a network rinkeby
✓ Linked dependency @openzeppelin/contracts-ethereum-package 3.0.0
All implementations are up to date
? Call a function to initialize the instance after creating it? Yes
? Select which function initialize(name: string, symbol: string)
? name: string: NewToken
? symbol: string: NETO
✓ Instance created at 0xaD5be79048996817D0cdCbee2EdAFF78CAE7f103
To upgrade this instance run 'oz upgrade'
0xaD5be79048996817D0cdCbee2EdAFF78CAE7f103
//查询用户token数量
npx oz balance --erc20 0xaD5be79048996817D0cdCbee2EdAFF78CAE7f103
? Enter an address to query its balance 0x857eF46Cd9609Fb4098353a64F62Cfd99Be67266
? Pick a network rinkeby
Balance: 0 NETO

sudo npm install @openzeppelin/upgrades --unsafe-perm=true --allow-root

npx oz create
The create command is deprecated. Use deploy instead.
Nothing to compile, all contracts are up to date.
? Pick a contract to instantiate TokenExchange
? Pick a network rinkeby
✓ Added contract TokenExchange
✓ Contract TokenExchange deployed
All implementations have been deployed
? Call a function to initialize the instance after creating it? Yes
? Select which function initialize(_rate: uint256, _token: address)
? _rate: uint256: 10
? _token: address: 0xaD5be79048996817D0cdCbee2EdAFF78CAE7f103
✓ Instance created at 0x88dDC24f17D2938Af7769acea0D1e0F7583500e1

sudo npx oz compile --solc-version 0.6.0
// .openzeppelin/project.json
{
  "manifestVersion": "2.2",
  "name": "my-project",
  "version": "1.0.0",
  "compiler": {
    "manager": "openzeppelin",
    "solcVersion": "0.6.0"
  }
}
//如果truffle用于编译项目，则可以指定在您的truffle.js或truffle-config.js
// truffle.js   truffle-config.js
module.exports = {
  compilers: {
     solc: {
       version: "0.5.14"
     }
  }
}