union-demo.ts

import { raise } from '#/utilities'
import { unionActions } from '#/actions.ts'
import { mnemonicToAccount } from 'viem/accounts'
import { http, publicActions, createWalletClient } from 'viem'
import { DirectSecp256k1HdWallet } from '@cosmjs/proto-signing'
import { UCS01_EVM_ADDRESS, demoMnemonic, chain } from '#/constants'

main().catch(_ => {
  console.error(_)
  process.exit(1)
})

async function main() {
  const demoEthereumAccount = mnemonicToAccount(demoMnemonic)
  const demoEthereumAddress = demoEthereumAccount.address
  const demoUnionAccount = await DirectSecp256k1HdWallet.fromMnemonic(demoMnemonic, {
    prefix: 'union',
  })

  const [demoUnionAccountData] = await demoUnionAccount.getAccounts()
  const demoUnionAddress = demoUnionAccountData?.address ?? raise('demoUnionAddress is undefined')

  const client = createWalletClient({
    chain: chain.ethereum.sepolia,
    account: demoEthereumAccount,
    transport: http(process.env.SEPOLIA_RPC_URL),
  })
    .extend(publicActions)
    .extend(unionActions)

  const denomAddress = await client.getDenomAddress()

  const balanceOnUnion = await client.getBalance({
    chainId: '6', // union-testnet-6
    address: demoUnionAddress,
    assetId: chain.union.testnet.token.denom,
  })

  const sendAssetFromUnionToEthereum = await client.sendAsset({
    chainId: '6', // union-testnet-6
    signer: demoUnionAccount,
    assetId: chain.union.testnet.token.address,
    amount: '1234',
    denom: 'muno',
    receiver: demoEthereumAddress,
    gasPrice: '0.001muno',
  })

  const balanceOnSepolia = await client.getBalance({
    chainId: '11155111', // sepolia
    address: demoEthereumAddress,
  })

  const approveAssetOnSepolia = await client.approveAsset({
    chainId: '11155111', // sepolia
    signer: demoEthereumAccount,
    amount: 135920n,
    spender: UCS01_EVM_ADDRESS,
    assetId: denomAddress,
  })

  const sendAssetFromSepoliaToUnion = await client.sendAsset({
    chainId: '11155111', // sepolia
    portId: chain.ethereum.sepolia.portId,
    signer: demoEthereumAccount,
    assetId: denomAddress,
    amount: 100n,
    receiver: demoUnionAddress,
    simulate: true,
  })

  console.log({
    balanceOnUnion,
    sendAssetFromUnionToEthereum,
    balanceOnSepolia,
    approveAssetOnSepolia,
    sendAssetFromSepoliaToUnion,
  })
}