@gateway.fm/gtw-dvf-client-js/examples/node_sell_eth_infura.js

DVF client js lib with gateway.fm rpc endpoints

#!/usr/bin/env node

const HDWalletProvider = require('@truffle/hdwallet-provider')
const Web3 = require('web3')
const DVF = require('../src/dvf')

const privateKey = '8F085...' // Account's private key
const rpcUrl = 'https://mainnet.infura.io/v3/9e28b...'

const starkPrivKey = privateKey

const provider = new HDWalletProvider(privateKey, rpcUrl)
const web3 = new Web3(provider)

const dvfConfig = {
  // Using staging API.
  api: 'https://rpc.gateway.fm/v1/starkex/stg',
  apiKey: 'YOUR_API_KEY_FROM_GATEWAY.FM'
}

;(async () => {
  const dvf = await DVF(web3, dvfConfig)

  // Submit an order to sell 0.3 Eth for 200 USDT per 1 Eth
  const symbol = 'ETH:USDT'
  const amount = -0.3
  const price = 200
  const validFor = '0'
  const feeRate = ''

  const submitOrderResponse = await dvf.submitOrder({

    symbol,
    amount,
    price,
    starkPrivateKey: starkPrivKey,
    validFor,           // Optional
    feeRate,            // Optional
    gid: '1',           // Optional
    cid: '1',           // Optional
    partnerId: 'P1'    // Optional
  })

  console.log('submitOrder response ->', submitOrderResponse)
})()
  // Stop provider to allow process to exit.
  .then(() => {
    console.log('Stopping provider...')
    provider.engine.stop()
  })
  .catch(error => {
    console.error(error)
    process.exit(1)
  })