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partial Merge bitcoin/bitcoin#27920: wallet: bugfix, always use apostrophe for spkm descriptor ID

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BACKPORT NOTICE

It includes only this commit: 97a965d98f1582ea1b1377bd258c9088380e1b8b
refactor: extract descriptor ID calculation from spkm GetID()

This allows us to verify the descriptor ID on the descriptors
unit tests in different software versions without requiring to
use the entire DescriptorScriptPubKeyMan machinery.

Note:
The unit test changes are introduced after the bugfix commit
but this commit + the unit test commit can be cherry-picked
on top of the v25 branch to verify IDs correctness. IDs must
be the same for v25 and after the bugfix commit.
This commit is contained in:
furszy 2023-06-23 11:32:28 -03:00 committed by Konstantin Akimov
parent f675fcbd25
commit 05e5966199
No known key found for this signature in database
GPG Key ID: 2176C4A5D01EA524
3 changed files with 14 additions and 4 deletions
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8
src/script/descriptor.cpp
View File

@ -1162,6 +1162,14 @@ std::unique_ptr<Descriptor> InferDescriptor(const CScript& script, const Signing
return InferScript(script, ParseScriptContext::TOP, provider); return InferScript(script, ParseScriptContext::TOP, provider);
} }
uint256 DescriptorID(const Descriptor& desc)
{
std::string desc_str = desc.ToString();
uint256 id;
CSHA256().Write((unsigned char*)desc_str.data(), desc_str.size()).Finalize(id.begin());
return id;
}
void DescriptorCache::CacheParentExtPubKey(uint32_t key_exp_pos, const CExtPubKey& xpub) void DescriptorCache::CacheParentExtPubKey(uint32_t key_exp_pos, const CExtPubKey& xpub)
{ {
m_parent_xpubs[key_exp_pos] = xpub; m_parent_xpubs[key_exp_pos] = xpub;

5
src/script/descriptor.h
View File

@ -182,4 +182,9 @@ std::string GetDescriptorChecksum(const std::string& descriptor);
*/ */
std::unique_ptr<Descriptor> InferDescriptor(const CScript& script, const SigningProvider& provider); std::unique_ptr<Descriptor> InferDescriptor(const CScript& script, const SigningProvider& provider);
/** Unique identifier that may not change over time, unless explicitly marked as not backwards compatible.
* This is not part of BIP 380, not guaranteed to be interoperable and should not be exposed to the user.
*/
uint256 DescriptorID(const Descriptor& desc);
#endif // BITCOIN_SCRIPT_DESCRIPTOR_H #endif // BITCOIN_SCRIPT_DESCRIPTOR_H

5
src/wallet/scriptpubkeyman.cpp
View File

@ -2309,10 +2309,7 @@ std::unique_ptr<CKeyMetadata> DescriptorScriptPubKeyMan::GetMetadata(const CTxDe
uint256 DescriptorScriptPubKeyMan::GetID() const uint256 DescriptorScriptPubKeyMan::GetID() const
{ {
LOCK(cs_desc_man); LOCK(cs_desc_man);
std::string desc_str = m_wallet_descriptor.descriptor->ToString(); return DescriptorID(*m_wallet_descriptor.descriptor);
uint256 id;
CSHA256().Write((unsigned char*)desc_str.data(), desc_str.size()).Finalize(id.begin());
return id;
} }
void DescriptorScriptPubKeyMan::SetInternal(bool internal) void DescriptorScriptPubKeyMan::SetInternal(bool internal)