index.ts

/* eslint-disable import/no-extraneous-dependencies */
// This dependency is local to the utils project

import { Wallet } from '@ethersproject/wallet'
import { createMessageSend } from '@evmos/transactions'
import {
  broadcast,
  getSender,
  LOCALNET_CHAIN,
  LOCALNET_FEE,
  signTransaction,
  singTransactionUsingEIP712,
} from '@hanchon/evmos-ts-wallet'

async function prepareMessage(wallet: Wallet) {
  const sender = await getSender(wallet)
  const txSimple = createMessageSend(LOCALNET_CHAIN, sender, LOCALNET_FEE, '', {
    destinationAddress: 'evmos1pmk2r32ssqwps42y3c9d4clqlca403yd9wymgr',
    amount: '1',
    denom: 'aevmos',
  })
  return { sender, txSimple }
}

/* eslint-disable jest/require-hook */
// This code is just for testing purposes

; (async () => {
  const privateMnemonic =
    'pluck view carry maid bamboo river major where dutch wood certain oval order wise awkward clerk adult summer because number raven coil crunch hat'
  const wallet = Wallet.fromMnemonic(privateMnemonic)

  const msgKeplr = await prepareMessage(wallet)

  const resKeplr = await signTransaction(wallet, msgKeplr.txSimple)
  const broadcastRes = await broadcast(resKeplr)

  if (broadcastRes.tx_response.code === 0) {
    console.log('Success sign transaction')
  } else {
    console.log(`Error payload signature: ${JSON.stringify(broadcastRes)}`)
  }

  const msgMM = await prepareMessage(wallet)

  const resMM = await singTransactionUsingEIP712(
    wallet,
    msgMM.sender.accountAddress,
    msgMM.txSimple,
  )
  const broadcastResMM = await broadcast(resMM)

  if (broadcastResMM.tx_response.code === 0) {
    console.log('Success sign EIP712 transaction')
  } else {
    console.log(`Error EIP712: ${JSON.stringify(broadcastResMM)}`)
  }
})()