message: pass weth address to matic object
diff: @@ -13,6 +13,7 @@ const matic = new Matic({
  rootChainAddress: config.ROOTCHAIN_ADDRESS,
  syncerUrl: config.SYNCER_URL,
  watcherUrl: config.WATCHER_URL,
  + maticWethAddress: config.MATICWETH_ADDRESS,
  })
  matic.wallet = config.PRIVATE_KEY // prefix with `0x`
  