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Properly serialize surjection proof in caching checker #509

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Merged
instagibbs merged 1 commit into from
Mar 6, 2019
Merged

Properly serialize surjection proof in caching checker #509

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6 changes: 3 additions & 3 deletions src/script/sigcache.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -202,9 +202,9 @@ bool CachingSurjectionProofChecker::VerifySurjectionProof(secp256k1_surjectionpr

// Serialize proof
std::vector<unsigned char> vchproof;
size_t proof_len = 0;
vchproof.resize(secp256k1_surjectionproof_serialized_size(secp256k1_ctx_verify_amounts, &proof));
secp256k1_surjectionproof_serialize(secp256k1_ctx_verify_amounts, &vchproof[0], &proof_len, &proof);
size_t proof_len = secp256k1_surjectionproof_serialized_size(secp256k1_ctx_verify_amounts, &proof);
vchproof.resize(proof_len);
assert(secp256k1_surjectionproof_serialize(secp256k1_ctx_verify_amounts, &vchproof[0], &proof_len, &proof) == 1);

// wtxid commits to all data including surj targets
// we need to specify the proof and output asset point to be unique
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