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validation: Move GetLastCheckpoint to BlockManager

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[META] This commit should be followed up by removing the comments and
       assertions meant only to show that the change is correct.

GetLastCheckPoint mainly acts on BlockManager.
This commit is contained in:
Carl Dong 2020-08-25 16:53:30 -04:00
parent e4b95eefbc
commit f11d11600d
2 changed files with 8 additions and 4 deletions
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8
src/validation.cpp
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@ -3401,15 +3401,15 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc
return commitment;
}
//! Returns last CBlockIndex* that is a checkpoint
static CBlockIndex* GetLastCheckpoint(const CCheckpointData& data) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
CBlockIndex* BlockManager::GetLastCheckpoint(const CCheckpointData& data)
{
const MapCheckpoints& checkpoints = data.mapCheckpoints;
for (const MapCheckpoints::value_type& i : reverse_iterate(checkpoints))
{
const uint256& hash = i.second;
CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(hash);
assert(std::addressof(g_chainman.m_blockman) == std::addressof(*this));
CBlockIndex* pindex = LookupBlockIndex(hash);
if (pindex) {
return pindex;
}
@ -3441,7 +3441,7 @@ static bool ContextualCheckBlockHeader(const CBlockHeader& block, BlockValidatio
// Don't accept any forks from the main chain prior to last checkpoint.
// GetLastCheckpoint finds the last checkpoint in MapCheckpoints that's in our
// BlockIndex().
CBlockIndex* pcheckpoint = GetLastCheckpoint(params.Checkpoints());
CBlockIndex* pcheckpoint = g_chainman.m_blockman.GetLastCheckpoint(params.Checkpoints());
if (pcheckpoint && nHeight < pcheckpoint->nHeight) {
LogPrintf("ERROR: %s: forked chain older than last checkpoint (height %d)\n", __func__, nHeight);
return state.Invalid(BlockValidationResult::BLOCK_CHECKPOINT, "bad-fork-prior-to-checkpoint");