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Merge #15299: Fix assertion in CKey::SignCompact

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3617f11739 Fix assertion in CKey::SignCompact (João Barbosa)

Pull request description:

  Fixes #15286.

Tree-SHA512: b39b6f26f87cf1850b13f625ab6de963937b6ecb5b6d4ac4932134f0491a6c0fa61c6d6e6980e8b1770775578dc365fdd1b6ba426bba1f7c23430f68b3a2339a
This commit is contained in:
Wladimir J. van der Laan 2019-01-31 19:08:03 +01:00
commit 4b6673d382
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GPG key ID: 1E4AED62986CD25D
1 changed files with 1 additions and 1 deletions
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src/key.cpp
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@ -246,7 +246,7 @@ bool CKey::SignCompact(const uint256 &hash, std::vector<unsigned char>& vchSig)
secp256k1_ecdsa_recoverable_signature sig;
int ret = secp256k1_ecdsa_sign_recoverable(secp256k1_context_sign, &sig, hash.begin(), begin(), secp256k1_nonce_function_rfc6979, nullptr);
assert(ret);
secp256k1_ecdsa_recoverable_signature_serialize_compact(secp256k1_context_sign, &vchSig[1], &rec, &sig);
ret = secp256k1_ecdsa_recoverable_signature_serialize_compact(secp256k1_context_sign, &vchSig[1], &rec, &sig);
assert(ret);
assert(rec != -1);
vchSig[0] = 27 + rec + (fCompressed ? 4 : 0);