message: fix BN error
diff: @@ -844,7 +844,8 @@ class EthSwap extends SwapInterface {
  _debug('swap.core:flow')('Checking contract balance:', balance)
  - const needContractBalance = new BigNumber(web3.utils.toWei(flow.swap.buyAmount))
  + const needContractBalance = new BigNumber(web3.utils.toWei(flow.swap.buyAmount.toString()))
  +
  console.log('>>>>>> BALANCE ON ETH Contract', balance, needContractBalance.toNumber(), flow.swap.buyAmount.toNumber())
  if (new BigNumber(balance).isGreaterThanOrEqualTo(needContractBalance)) {
  return true
  