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checkpoints: move the checkpoints enable boolean into main

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This pertains to app-state, so it doesn't make sense to handle inside the
checkpoint functions.
This commit is contained in:
Cory Fields
2015-04-22 23:22:36 -04:00
parent 11982d366d
commit a8cdaf5c96
6 changed files with 26 additions and 27 deletions
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30
src/main.cpp
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@@ -56,6 +56,7 @@ bool fHavePruned = false;
bool fPruneMode = false;
bool fIsBareMultisigStd = true;
bool fCheckBlockIndex = false;
bool fCheckpointsEnabled = true;
unsigned int nCoinCacheSize = 5000;
uint64_t nPruneTarget = 0;
@@ -1206,7 +1207,9 @@ bool IsInitialBlockDownload()
{
const CChainParams& chainParams = Params();
LOCK(cs_main);
if (fImporting || fReindex || chainActive.Height() < Checkpoints::GetTotalBlocksEstimate(chainParams.Checkpoints()))
if (fImporting || fReindex)
return true;
if (fCheckpointsEnabled && chainActive.Height() < Checkpoints::GetTotalBlocksEstimate(chainParams.Checkpoints()))
return true;
static bool lockIBDState = false;
if (lockIBDState)
@@ -1710,7 +1713,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
return true;
}
bool fScriptChecks = pindex->nHeight >= Checkpoints::GetTotalBlocksEstimate(chainparams.Checkpoints());
bool fScriptChecks = (!fCheckpointsEnabled || pindex->nHeight >= Checkpoints::GetTotalBlocksEstimate(chainparams.Checkpoints()));
// Do not allow blocks that contain transactions which 'overwrite' older transactions,
// unless those are already completely spent.
@@ -2274,7 +2277,9 @@ bool ActivateBestChain(CValidationState &state, CBlock *pblock) {
if (!fInitialDownload) {
uint256 hashNewTip = pindexNewTip->GetBlockHash();
// Relay inventory, but don't relay old inventory during initial block download.
int nBlockEstimate = Checkpoints::GetTotalBlocksEstimate(chainParams.Checkpoints());
int nBlockEstimate = 0;
if (fCheckpointsEnabled)
nBlockEstimate = Checkpoints::GetTotalBlocksEstimate(chainParams.Checkpoints());
// Don't relay blocks if pruning -- could cause a peer to try to download, resulting
// in a stalled download if the block file is pruned before the request.
if (nLocalServices & NODE_NETWORK) {
@@ -2624,15 +2629,18 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
return state.Invalid(error("%s: block's timestamp is too early", __func__),
REJECT_INVALID, "time-too-old");
// 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");
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)
return state.DoS(100, error("%s: forked chain older than last checkpoint (height %d)", __func__, nHeight));
// Don't accept any forks from the main chain prior to last checkpoint
CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint(chainParams.Checkpoints());
if (pcheckpoint && nHeight < pcheckpoint->nHeight)
return state.DoS(100, error("%s: forked chain older than last checkpoint (height %d)", __func__, nHeight));
}
// Reject block.nVersion=1 blocks when 95% (75% on testnet) of the network has upgraded:
if (block.nVersion < 2 && IsSuperMajority(2, pindexPrev, consensusParams.nMajorityRejectBlockOutdated))