saepenatus/packages/core/src/update-balances.ts

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

import { state } from './store/index.js'
import { getBalance } from './provider.js'
import { updateAllWallets } from './store/actions.js'

async function updateBalances(addresses?: string[]): Promise<void> {
  const { wallets, chains } = state.get()
  const updatedWallets = await Promise.all(
    wallets.map(async wallet => {
      const chain = chains.find(({ id }) => id === wallet.chains[0].id)

      const updatedAccounts = await Promise.all(
        wallet.accounts.map(async account => {
          // if no provided addresses, we want to update all balances
          // otherwise check if address is in addresses array
          if (
            !addresses ||
            addresses.some(
              address => address.toLowerCase() === account.address.toLowerCase()
            )
          ) {
            const updatedBalance = await getBalance(account.address, chain)
            return { ...account, balance: updatedBalance }
          }
          return account
        })
      )
      return { ...wallet, accounts: updatedAccounts }
    })
  )

  updateAllWallets(updatedWallets)
}

export default updateBalances