added safety to getDfTxTransactions so that it only parse OP_DEFI_TX …

…if 'OP_DEFI_TX' is found (#301)
BirthdayResearch · Aug 3, 2021 · 3a648ac · 3a648ac
1 parent ca64afc
commit 3a648ac
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/apps/whale/src/module.indexer/model/dftx.indexer.ts b/apps/whale/src/module.indexer/model/dftx.indexer.ts
@@ -47,7 +47,7 @@ export class MainDfTxIndexer extends Indexer {
   }
 }
 
-function getDfTxTransactions (block: RawBlock): Array<DfTxTransaction<any>> {
+export function getDfTxTransactions (block: RawBlock): Array<DfTxTransaction<any>> {
   const transactions: Array<DfTxTransaction<any>> = []
 
   for (const txn of block.tx) {
@@ -56,9 +56,10 @@ function getDfTxTransactions (block: RawBlock): Array<DfTxTransaction<any>> {
         continue
       }
 
-      const stack: OPCode[] = toOPCodes(
-        SmartBuffer.fromBuffer(Buffer.from(vout.scriptPubKey.hex, 'hex'))
-      )
+      const stack: OPCode[] = toOPCodes(SmartBuffer.fromBuffer(Buffer.from(vout.scriptPubKey.hex, 'hex')))
+      if (stack[1].type !== 'OP_DEFI_TX') {
+        continue
+      }
       transactions.push({ txn: txn, dftx: (stack[1] as OP_DEFI_TX).tx })
     }
   }