add check for scrptpubkey size

2019-05-07 20:07:53 +08:00
parent 69626ff68d
commit 5a5945abd1
1 changed files with 1 additions and 1 deletions
--- a/src/cc/CCutils.cpp
+++ b/src/cc/CCutils.cpp
@@ -64,7 +64,7 @@ int32_t has_opret(const CTransaction &tx, uint8_t evalcode)
    for ( auto vout : tx.vout )
    {
        //fprintf(stderr, "[txid.%s] 1.%i 2.%i 3.%i 4.%i\n",tx.GetHash().GetHex().c_str(),  vout.scriptPubKey[0], vout.scriptPubKey[1], vout.scriptPubKey[2], vout.scriptPubKey[3]);
-        if ( vout.scriptPubKey[0] == OP_RETURN && vout.scriptPubKey[2] == evalcode )
+        if ( vout.scriptPubKey.size() > 3 && vout.scriptPubKey[0] == OP_RETURN && vout.scriptPubKey[2] == evalcode )
            return i;
        i++;
    }