staking_tomochain.js

/*
 * RPC: https://rpc.tomochain.com mainnet, https://testnet.tomochain.com testnet
 * chainId: 88 mainnet, 89 testnet
 * Owner address: balance at least 50000 TOMO
 * Coinbase is node address. You can create a empty wallet with https://wallet.testnet.tomochain.com
 */

const rpc = 'https://testnet.tomochain.com'
chainId = 89
const pkey = '[OWNER_PKEY]' // include 0x
const coinbase = "[YOUR_COINBASE_ADDRESS]"

const Web3 = require('web3');
const web3 = new Web3(rpc);

const account = web3.eth.accounts.privateKeyToAccount(pkey)
const owner = account.address
web3.eth.accounts.wallet.add(account)
web3.eth.defaultAccount = owner

// https://raw.githubusercontent.com/tomochain/tomomaster/master/abis/TomoValidatorAbi.json
const validatorAbi = require('./TomoValidatorAbi.json')
const address = '0x0000000000000000000000000000000000000088'
const validator = new web3.eth.Contract(validatorAbi,
    address, {gasPrice: 250000000, gas: 2000000 })

validator.methods.propose(coinbase).send({
    from: owner,
    value: '50000000000000000000000', // 50K TOMO
    gas: 2000000,
    gasPrice: 250000000,
    chainId:  chainId
})
    .then((result) => {
        console.log('Propose a new node', result)
        // stake 500 TOMO to node
        return validator.methods.vote(coinbase).send({
            from: owner,
            value: '500000000000000000000', // 500 TOMO
            gas: 2000000,
            gasPrice: 250000000,
            chainId: chainId
        })
            .then((result) => {
                console.log('Stake to a node', result)
            }).catch(e => console.log(e))
    }).catch(e => console.log(e))