message: indexer-service: Run server-wallet database migrations on startup
diff: +import path from 'path'
  import { Argv } from 'yargs'
  import {
  createLogger,
  @@ -13,6 +14,7 @@ import { QueryProcessor } from '../queries'
  import { PaymentManager } from '../payment-manager'
  import { NetworkMonitor } from '../network-monitor'
  +import knex from '@statechannels/server-wallet/lib/src/db-admin/db-admin-connection'
  import { SigningWallet } from '@statechannels/server-wallet/lib/src/models/signing-wallet'
  import { toAddress } from '../types'
  @@ -135,6 +137,15 @@ export default {
  logger.info('Successfully connected to database')
  + logger.info('Initiating server-wallet database migrations')
  + await knex.migrate.latest({
  + directory: path.resolve(
  + require.resolve('@statechannels/server-wallet'),
  + '../../../../src/db/migrations',
  + ),
  + })
  + logger.info('Successfully migrated server-wallet database')
  +
  const wallet = Wallet.fromMnemonic(argv.mnemonic)
  const privateKey = wallet.privateKey
  