Include transaction hash in failed input val error.

scriptval.go

@@ -90,7 +90,8 @@ out:
 			// Execute the script pair.
 			if err := engine.Execute(); err != nil {
 				err := fmt.Errorf("validate of input "+
-					"%d failed: %v", txVI.txInIndex, err)
+					"%d from transaction %s failed: %v",
+					txVI.txInIndex, txInHash, err)
 				v.sendResult(err)
 				break out
 			}

validate.go

@@ -747,7 +747,7 @@ func (b *BlockChain) checkConnectBlock(node *blockNode, block *btcutil.Block) er
 
 	// BIP0016 describes a pay-to-script-hash type that is considered a
 	// "standard" type.  The rules for this BIP only apply to transactions
-	// after the timestmap defined by btcscript.Bip16Activation. See
+	// after the timestamp defined by btcscript.Bip16Activation.  See
 	// https://en.bitcoin.it/wiki/BIP_0016 for more details.
 	enforceBIP0016 := false
 	if node.timestamp.After(btcscript.Bip16Activation) {