Newton Contracts

The contracts of newton.

Overview

Source

git clone --recurse-submodules https://github.com/newtonproject/contracts.git

hardhat 使用

入门

安装:

npm install --save-dev hardhat

创建项目:

npx hardhat

查看 hardhat 自建账户

npx hardhat accounts

编译合约:

npx hardhat compile

测试合约:

npx hardhat test

部署合约:

在script目录中，有js引用的部署入口

npx hardhat run scripts/sample-script.js

将钱包或者DApp 链接到 hardhat

启动内置节点

npx hardhat node 

将合约部署到本地节点

npx hardhat run scripts/sample-script.js --network localhost

配置项

要设置配置，您必须从中导出一个对象hardhat.config.js eg:

module.exports = {
  defaultNetwork: "rinkeby",
  networks: {
    hardhat: {
    },
    rinkeby: {
      url: "https://eth-mainnet.alchemyapi.io/v2/123abc123abc123abc123abc123abcde",
      accounts: [privateKey1, privateKey2, ...]
    }
  },
  solidity: {
    version: "0.5.15",
    settings: {
      optimizer: {
        enabled: true,
        runs: 200
      }
    }
  },
  paths: {
    sources: "./contracts",
    tests: "./test",
    cache: "./cache",
    artifacts: "./artifacts"
  },
  mocha: {
    timeout: 20000
  }
}

部署到 NewChain

编译完成之后，可以在 artifacts/contracts/SampleERC721.sol/SampleERC721.json 中获取 abi 和 bin 信息， 使用 tokenCommander 部署到 newchain

tokenCommander deploy --abi {abiPath} --bin {binPath} --name SampleERC721 TOKEN_NAME TOKEN_SYMBOL

与 NewChain 交互