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Merge 679f825ba3 into merged_master (Bitcoin PR bitcoin/bitcoin#27479)

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Byron Hambly 2025-06-28 09:46:07 +02:00
commit 2a1d79e0f0
14 changed files with 310 additions and 3 deletions
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15
src/pubkey.cpp
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@ -7,6 +7,7 @@
#include <hash.h>
#include <secp256k1.h>
#include <secp256k1_ellswift.h>
#include <secp256k1_extrakeys.h>
#include <secp256k1_recovery.h>
#include <secp256k1_schnorrsig.h>
@ -359,6 +360,20 @@ bool CPubKey::Derive(CPubKey& pubkeyChild, ChainCode &ccChild, unsigned int nChi
return true;
}
CPubKey EllSwiftPubKey::Decode() const
{
secp256k1_pubkey pubkey;
secp256k1_ellswift_decode(secp256k1_context_static, &pubkey, UCharCast(m_pubkey.data()));
size_t sz = CPubKey::COMPRESSED_SIZE;
std::array<uint8_t, CPubKey::COMPRESSED_SIZE> vch_bytes;
secp256k1_ec_pubkey_serialize(secp256k1_context_static, vch_bytes.data(), &sz, &pubkey, SECP256K1_EC_COMPRESSED);
assert(sz == vch_bytes.size());
return CPubKey{vch_bytes.begin(), vch_bytes.end()};
}
void CExtPubKey::Encode(unsigned char code[BIP32_EXTKEY_SIZE]) const {
code[0] = nDepth;
memcpy(code+1, vchFingerprint, 4);