Use web3.js - second-state/oasis-ssvm-runtime GitHub Wiki

const Web3 = require('web3');
const HDWalletProvider = require('truffle-hdwallet-provider');
// 0xB8b3666d8fEa887D97Ab54f571B8E5020c5c8b58
const MNEMONIC = 'range drive remove bleak mule satisfy mandate east lion minimum unfold ready';
const URL = 'http://localhost:8545';
const provider = new HDWalletProvider(MNEMONIC, URL);

const web3 = new Web3(provider);
web3.eth.net.isListening()
  .then(() => console.log('Web3 is connected.'))
  .catch(e => console.log('Something went wrong.'));

let accounts = [];
web3.eth.getAccounts()
  .then((r) => {
    accounts = r;
    console.log(`accounts: ${JSON.stringify(accounts)}`);
    return web3.eth.getBalance(accounts[0]);
  })
  .then((balance) => {
    console.log(`web3.eth.getBalance(${accounts[0]}) = ${balance}`);
    let tx = {
      from: accounts[0],
      to: '0x0000000000000000000000000000000000000001',
      value: 1,
    };
    return web3.eth.sendTransaction(tx);
  })
  .then((receipt) => {
    console.log(`web3.eth.sendTransaction(...) = ${JSON.stringify(receipt, null, 2)}`);
    return web3.eth.getBalance(accounts[0]);
  })
  .then((balance) => {
    console.log(`web3.eth.getBalance(${accounts[0]}) = ${balance}`);
  })
  .catch((err) => {
    console.log(`Error:`);
    console.log(err);
  });

const Web3 = require("web3");
const URL = 'http://localhost:8545';

const HDWalletProvider = require('truffle-hdwallet-provider');
const privateKeys = ['c61675c22aee77da8f6e19444ece45557dc80e1482aa848f541e94e3e5d91179', 'b5144c6bda090723de712e52b92b4c758d78348ddce9aa80ca8ef51125bfb308', '7ec6102f6a2786c03b3daf6ac4772491f33925902326a0d2d83521b964a87402'];
const provider = new HDWalletProvider(privateKeys, URL, 0, 3);

let abi = [
  {
    "inputs": [],
    "name": "retreive",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "num",
        "type": "uint256"
      }
    ],
    "name": "store",
    "outputs": [],
    "stateMutability": "nonpayable",
    "type": "function"
  }
]
let bytecode = "0x608060405234801561001057600080fd5b5060c78061001f6000396000f3fe6080604052348015600f57600080fd5b506004361060325760003560e01c80636057361d146037578063b05784b8146062575b600080fd5b606060048036036020811015604b57600080fd5b8101908080359060200190929190505050607e565b005b60686088565b6040518082815260200191505060405180910390f35b8060008190555050565b6000805490509056fea26469706673582212208dea039245bf78c381278382d7056eef5083f7d243d8958817ef447e0a403bd064736f6c63430006060033"

const web3 = new Web3(provider);

(async () => {
  await web3.eth.net.isListening();
  console.log('Web3 is connected.');
  let accounts = await web3.eth.getAccounts();
  console.log(`accounts: ${JSON.stringify(accounts)}`);
  let balance = await web3.eth.getBalance(accounts[0]);
  console.log(`web3.eth.getBalance(${accounts[0]}) = ${balance}`);
  let tx = {
    from: accounts[0],
    to: '0x0000000000000000000000000000000000000000',
    value: 1,
  };
  let receipt = await web3.eth.sendTransaction(tx);
  console.log(`web3.eth.sendTransaction(...) = ${JSON.stringify(receipt, null, 2)}`);
  balance = await web3.eth.getBalance(accounts[0]);
  console.log(`web3.eth.getBalance(${accounts[0]}) = ${balance}`);

  const contract = new web3.eth.Contract(abi);
  const deployment = await contract.deploy({
    data: bytecode,
  }).send({
    from: accounts[0],
  }).on('error', (err) => {
    console.log(`Deploy failed with error: ${err}`)
  });
  contract.options.address = deployment.options.address;
  console.log(`Factory deployed successfully, at address: ${deployment.options.address}`);
  await contract.methods.store(98).send({ from: accounts[0] });
  let r = await contract.methods.retreive().call();
  console.log(`r = ${JSON.stringify(r, null, 2)}`);

  await provider.engine.stop();
})();