bool IsReferencedCoinbaseTxsValid(TransactionContext dbTx, TransactionValidation.PointedTransaction ptx) { var currentHeight = Tip == null ? 0 : Tip.Value.header.blockNumber; foreach (var refTx in ptx.pInputs.Select(t => t.Item1.txHash)) { Types.BlockHeader refTxBk; if (BlockStore.IsCoinbaseTx(dbTx, refTx, out refTxBk)) { if (refTxBk.blockNumber - currentHeight < COINBASE_MATURITY) { return(false); } } } return(true); }