added burn tx nExpiryHeight validation

5 years ago · 7b312f6ce6
1 changed files with 6 additions and 0 deletions
--- a/src/cc/import.cpp
+++ b/src/cc/import.cpp
@ -371,6 +371,12 @@ int32_t CheckPUBKEYimport(TxProof proof,std::vector<uint8_t> rawproof,CTransacti
        return -1;
    }

+    // might be malleable:
+    if (burnTx.nExpiryHeight != sourcetx.nExpiryHeight) {
+        LOGSTREAM("importcoin", CCLOG_INFO, stream << "burntx nExpiryHeight incorrect for source txid=" << sourcetxid.GetHex() << std::endl);
+        return -1;
+    }
+
    //ac_pubkey check:
    if (CheckVin0PubKey(sourcetx) < 0) {
        return -1;