From e4ba9f6b0402cf7a2ad0d74f617c434a26c6e124 Mon Sep 17 00:00:00 2001 From: Suhas Daftuar Date: Thu, 7 Apr 2016 14:33:08 -0400 Subject: Version 2 transactions remain non-standard until CSV activates Before activation, such transactions might not be mined, so don't allow into the mempool. --- src/main.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src') diff --git a/src/main.cpp b/src/main.cpp index a9f104c88b..f5c7e11d6e 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1025,6 +1025,14 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C if (fRequireStandard && !IsStandardTx(tx, reason)) return state.DoS(0, false, REJECT_NONSTANDARD, reason); + // Don't relay version 2 transactions until CSV is active, and we can be + // sure that such transactions will be mined (unless we're on + // -testnet/-regtest). + const CChainParams& chainparams = Params(); + if (fRequireStandard && tx.nVersion >= 2 && VersionBitsTipState(chainparams.GetConsensus(), Consensus::DEPLOYMENT_CSV) != THRESHOLD_ACTIVE) { + return state.DoS(0, false, REJECT_NONSTANDARD, "premature-version2-tx"); + } + // Only accept nLockTime-using transactions that can be mined in the next // block; we don't want our mempool filled up with transactions that can't // be mined yet. -- cgit v1.2.3