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-rw-r--r--src/main.cpp16
1 files changed, 9 insertions, 7 deletions
diff --git a/src/main.cpp b/src/main.cpp
index e9a5f7efd9..e92f64413a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1790,7 +1790,14 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
return true;
}
- bool fScriptChecks = (!fCheckpointsEnabled || pindex->nHeight >= Checkpoints::GetTotalBlocksEstimate(chainparams.Checkpoints()));
+ bool fScriptChecks = true;
+ if (fCheckpointsEnabled) {
+ CBlockIndex *pindexLastCheckpoint = Checkpoints::GetLastCheckpoint(chainparams.Checkpoints());
+ if (pindexLastCheckpoint && pindexLastCheckpoint->GetAncestor(pindex->nHeight) == pindex) {
+ // This block is an ancestor of a checkpoint: disable script checks
+ fScriptChecks = false;
+ }
+ }
// Do not allow blocks that contain transactions which 'overwrite' older transactions,
// unless those are already completely spent.
@@ -2734,13 +2741,8 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
return state.Invalid(error("%s: block's timestamp is too early", __func__),
REJECT_INVALID, "time-too-old");
- if(fCheckpointsEnabled)
+ if (fCheckpointsEnabled)
{
- // Check that the block chain matches the known block chain up to a checkpoint
- if (!Checkpoints::CheckBlock(chainParams.Checkpoints(), nHeight, hash))
- return state.DoS(100, error("%s: rejected by checkpoint lock-in at %d", __func__, nHeight),
- REJECT_CHECKPOINT, "checkpoint mismatch");
-
// Don't accept any forks from the main chain prior to last checkpoint
CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint(chainParams.Checkpoints());
if (pcheckpoint && nHeight < pcheckpoint->nHeight)