foster/bitcoin-bitcoin-core
0
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2025-02-08 10:31:50 -05:00
Code Issues Activity

Rename BIP32PubkeyProvider.m_extkey to m_root_extkey

Browse source 
Renaming clarifies that m_extkey is actually the root
extkey that keys are derived from.
This commit is contained in:
Andrew Chow 2020-03-03 17:16:40 -05:00
parent df55d44d0d
commit 66c2cadc91
1 changed files with 11 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
src/script/descriptor.cpp
View file

@ -254,18 +254,19 @@ enum class DeriveType {
/** An object representing a parsed extended public key in a descriptor. */
class BIP32PubkeyProvider final : public PubkeyProvider
{
CExtPubKey m_extkey;
// Root xpub, path, and final derivation step type being used, if any
CExtPubKey m_root_extkey;
KeyPath m_path;
DeriveType m_derive;
bool GetExtKey(const SigningProvider& arg, CExtKey& ret) const
{
CKey key;
if (!arg.GetKey(m_extkey.pubkey.GetID(), key)) return false;
ret.nDepth = m_extkey.nDepth;
std::copy(m_extkey.vchFingerprint, m_extkey.vchFingerprint + sizeof(ret.vchFingerprint), ret.vchFingerprint);
ret.nChild = m_extkey.nChild;
ret.chaincode = m_extkey.chaincode;
if (!arg.GetKey(m_root_extkey.pubkey.GetID(), key)) return false;
ret.nDepth = m_root_extkey.nDepth;
std::copy(m_root_extkey.vchFingerprint, m_root_extkey.vchFingerprint + sizeof(ret.vchFingerprint), ret.vchFingerprint);
ret.nChild = m_root_extkey.nChild;
ret.chaincode = m_root_extkey.chaincode;
ret.key = key;
return true;
}
@ -280,7 +281,7 @@ class BIP32PubkeyProvider final : public PubkeyProvider
}
public:
BIP32PubkeyProvider(uint32_t exp_index, const CExtPubKey& extkey, KeyPath path, DeriveType derive) : PubkeyProvider(exp_index), m_extkey(extkey), m_path(std::move(path)), m_derive(derive) {}
BIP32PubkeyProvider(uint32_t exp_index, const CExtPubKey& extkey, KeyPath path, DeriveType derive) : PubkeyProvider(exp_index), m_root_extkey(extkey), m_path(std::move(path)), m_derive(derive) {}
bool IsRange() const override { return m_derive != DeriveType::NO; }
size_t GetSize() const override { return 33; }
bool GetPubKey(int pos, const SigningProvider& arg, CPubKey* key, KeyOriginInfo& info) const override
@ -292,7 +293,7 @@ public:
*key = priv_key.GetPubKey();
} else {
// TODO: optimize by caching
CExtPubKey extkey = m_extkey;
CExtPubKey extkey = m_root_extkey;
for (auto entry : m_path) {
extkey.Derive(extkey, entry);
}
@ -301,7 +302,7 @@ public:
*key = extkey.pubkey;
}
}
CKeyID keyid = m_extkey.pubkey.GetID();
CKeyID keyid = m_root_extkey.pubkey.GetID();
std::copy(keyid.begin(), keyid.begin() + sizeof(info.fingerprint), info.fingerprint);
info.path = m_path;
if (m_derive == DeriveType::UNHARDENED) info.path.push_back((uint32_t)pos);
@ -310,7 +311,7 @@ public:
}
std::string ToString() const override
{
std::string ret = EncodeExtPubKey(m_extkey) + FormatHDKeypath(m_path);
std::string ret = EncodeExtPubKey(m_root_extkey) + FormatHDKeypath(m_path);
if (IsRange()) {
ret += "/*";
if (m_derive == DeriveType::HARDENED) ret += '\'';