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SurjectionProof caching

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This commit is contained in:
Gregory Sanders 2016-11-29 13:59:01 -05:00
parent 13cdcfc979
commit a38c6b18b5
5 changed files with 62 additions and 7 deletions
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11
src/validation.cpp
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@ -603,8 +603,9 @@ private:
secp256k1_surjectionproof proof;
std::vector<secp256k1_generator> vTags;
secp256k1_generator gen;
const bool store;
public:
CSurjectionCheck(secp256k1_surjectionproof& proofIn, std::vector<secp256k1_generator>& vTags_, secp256k1_generator& genIn) : proof(proofIn), gen(genIn) {
CSurjectionCheck(secp256k1_surjectionproof& proofIn, std::vector<secp256k1_generator>& vTags_, secp256k1_generator& genIn, const bool storeIn) : proof(proofIn), gen(genIn), store(storeIn) {
vTags.swap(vTags_);
}
@ -644,11 +645,7 @@ bool CBalanceCheck::operator()()
bool CSurjectionCheck::operator()()
{
if (secp256k1_surjectionproof_verify(secp256k1_ctx_verify_amounts, &proof, vTags.data(), vTags.size(), &gen) != 1) {
return false;
}
return true;
return CachingSurjectionProofChecker(store).VerifySurjectionProof(proof, vTags, gen, secp256k1_ctx_verify_amounts);
}
} // namespace
@ -837,7 +834,7 @@ bool VerifyAmounts(const CCoinsViewCache& cache, const CTransaction& tx, const C
if (secp256k1_surjectionproof_parse(secp256k1_ctx_verify_amounts, &proof, &asset.vchSurjectionproof[0], asset.vchSurjectionproof.size()) != 1)
return false;
if (!QueueCheck(pvChecks, new CSurjectionCheck(proof, ephemeral_input_tags, gen))) {
if (!QueueCheck(pvChecks, new CSurjectionCheck(proof, ephemeral_input_tags, gen, cacheStore))) {
return false;
}
// Each CSurjectionCheck uses swap to keep pointers valid.