transaction.ts issue

[trungtaba]

I think in hasDuplicates() function: const groups = _.countBy(txIns, (txIn) => txIn.txOutId + txIn.txOutId); Why we need calculate txIn.txOutId two time? I think it should be: const groups = _.countBy(txIns, (txIn) => txIn.txOutId + txIn.txOutIndex);