trc20.js

/*
 * RPC: https://rpc.tomochain.com mainnet, https://rpc.testnet.tomochain.com testnet
 * chainId: 88 mainnet, 89 testnet
 */

const Web3 = require('web3')

const rpc = 'https://rpc.testnet.tomochain.com'
const chainId = 89
const pkey = 'YOUR_PKEY' // token holder pkey
const contractAddress = 'TOKEN_CONTRACT_ADDRESS' // token contract address

const web3 = new Web3(rpc)
const account = web3.eth.accounts.privateKeyToAccount(pkey)
const holder = account.address
web3.eth.accounts.wallet.add(account)
web3.eth.defaultAccount = holder

const trc20Abi = require('./TRC20.json')
const trc20 = new web3.eth.Contract(trc20Abi,
            contractAddress, {gasPrice: 250000000, gas: 2000000 })

// check token balance
trc20.methods.balanceOf(holder).call()
.then((result) => {
        console.log(result)
}).catch(e => console.log(e))

const to = '0xf8ac9d5022853c5847ef75aea0104eed09e5f402' // e.g send tokens to this address

// Estimate fee for sending tokens
trc20.methods.transfer(to, '500000000000000000000').estimateGas({
        from: holder
})
.then((result) => {
        console.log(result)
}).catch(e => console.log(e))

// trasfer token to new address, make sure you have enough TOMO to pay tx fee
trc20.methods.transfer(to, '500000000000000000000').send({
        from: holder,
        gas: 2000000,
        gasPrice: 250000000,
        chainId: chainId
})
.then((result) => {
        console.log(result)
}).catch(e => console.log(e))

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Hi
Is there any main net free RPC Server?