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Skip JoinSplit verification before the last checkpoint

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Part of #1749
This commit is contained in:
Jack Grigg
2016-11-23 17:04:20 +13:00
parent 8a6c070bfa
commit 6fb8d0c2d6
6 changed files with 66 additions and 33 deletions
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14
src/main.h
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@@ -339,7 +339,7 @@ bool NonContextualCheckInputs(const CTransaction& tx, CValidationState &state, c
void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, int nHeight);
/** Context-independent validity checks */
bool CheckTransaction(const CTransaction& tx, CValidationState& state);
bool CheckTransaction(const CTransaction& tx, CValidationState& state, libzcash::ProofVerifier& verifier);
bool CheckTransactionWithoutProofVerification(const CTransaction& tx, CValidationState &state);
/** Check for standard transaction types
@@ -416,7 +416,9 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
/** Context-independent validity checks */
bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, bool fCheckPOW = true);
bool CheckBlock(const CBlock& block, CValidationState& state, bool fCheckPOW = true, bool fCheckMerkleRoot = true);
bool CheckBlock(const CBlock& block, CValidationState& state,
libzcash::ProofVerifier& verifier,
bool fCheckPOW = true, bool fCheckMerkleRoot = true);
/** Context-dependent validity checks */
bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, CBlockIndex *pindexPrev);
@@ -425,7 +427,13 @@ bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIn
/** Check a block is completely valid from start to finish (only works on top of our current best block, with cs_main held) */
bool TestBlockValidity(CValidationState &state, const CBlock& block, CBlockIndex *pindexPrev, bool fCheckPOW = true, bool fCheckMerkleRoot = true);
/** Store block on disk. If dbp is non-NULL, the file is known to already reside on disk */
/**
* Store block on disk.
* JoinSplit proofs are never verified, because:
* - AcceptBlock doesn't perform script checks either.
* - The only caller of AcceptBlock verifies JoinSplit proofs elsewhere.
* If dbp is non-NULL, the file is known to already reside on disk
*/
bool AcceptBlock(CBlock& block, CValidationState& state, CBlockIndex **pindex, bool fRequested, CDiskBlockPos* dbp);
bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBlockIndex **ppindex= NULL);