isCoinbase method

bool isCoinbase()

Implementation

bool isCoinbase() {
  //if we have a Transaction with one input, and a prevTransactionId of zeroooos, it's a coinbase.
  return (_txnInputs.length == 1 &&
      (_txnInputs[0].prevTxnId == null ||
          _txnInputs[0].prevTxnId.replaceAll('0', '').trim() == ''));
}