From fa58a0764c3dc85e67fbdaaa52381af7dc3bd238 Mon Sep 17 00:00:00 2001
From: Chris Troutner <chris.troutner@gmail.com>
Date: Thu, 21 Oct 2021 21:04:11 -0700
Subject: [PATCH] fix(Transaction.get()): Validating SLP inputs

---
 src/transaction.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/transaction.js b/src/transaction.js
index 8200e76..edc1372 100644
--- a/src/transaction.js
+++ b/src/transaction.js
@@ -112,7 +112,16 @@ class Transaction {
             // )
 
             let tokenQty = 0
-            if (inTokenData.txType === 'SEND') {
+
+            // Validate the input. Mark qty as null if not valid.
+            const vinIsValid = await this.slpUtils.waterfallValidateTxid(
+              thisVin.txid
+            )
+
+            if (!vinIsValid) {
+              // If the input is not a valid, then set qty as null.
+              tokenQty = null
+            } else if (inTokenData.txType === 'SEND') {
               // Get the appropriate vout token amount. This may throw an error,
               // which means this Vin is not actually a token UTXO, it was just
               // associated with a previous token TX.