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Move WatchOnly stuff from SigningProvider to CWallet

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This commit is contained in:
Andrew Chow
2019-06-17 17:46:52 -04:00
parent 8f5b81e6ed
commit 93ce4a0b6f
4 changed files with 84 additions and 79 deletions
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61
src/script/signingprovider.cpp
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@@ -73,8 +73,6 @@ void FillableSigningProvider::ImplicitlyLearnRelatedKeyScripts(const CPubKey& pu
{
AssertLockHeld(cs_KeyStore);
CKeyID key_id = pubkey.GetID();
// We must actually know about this key already.
assert(HaveKey(key_id) || mapWatchKeys.count(key_id));
// This adds the redeemscripts necessary to detect P2WPKH and P2SH-P2WPKH
// outputs. Technically P2WPKH outputs don't have a redeemscript to be
// spent. However, our current IsMine logic requires the corresponding
@@ -98,12 +96,6 @@ bool FillableSigningProvider::GetPubKey(const CKeyID &address, CPubKey &vchPubKe
{
CKey key;
if (!GetKey(address, key)) {
LOCK(cs_KeyStore);
WatchKeyMap::const_iterator it = mapWatchKeys.find(address);
if (it != mapWatchKeys.end()) {
vchPubKeyOut = it->second;
return true;
}
return false;
}
vchPubKeyOut = key.GetPubKey();
@@ -183,59 +175,6 @@ bool FillableSigningProvider::GetCScript(const CScriptID &hash, CScript& redeemS
return false;
}
static bool ExtractPubKey(const CScript &dest, CPubKey& pubKeyOut)
{
//TODO: Use Solver to extract this?
CScript::const_iterator pc = dest.begin();
opcodetype opcode;
std::vector<unsigned char> vch;
if (!dest.GetOp(pc, opcode, vch) || !CPubKey::ValidSize(vch))
return false;
pubKeyOut = CPubKey(vch);
if (!pubKeyOut.IsFullyValid())
return false;
if (!dest.GetOp(pc, opcode, vch) || opcode != OP_CHECKSIG || dest.GetOp(pc, opcode, vch))
return false;
return true;
}
bool FillableSigningProvider::AddWatchOnly(const CScript &dest)
{
LOCK(cs_KeyStore);
setWatchOnly.insert(dest);
CPubKey pubKey;
if (ExtractPubKey(dest, pubKey)) {
mapWatchKeys[pubKey.GetID()] = pubKey;
ImplicitlyLearnRelatedKeyScripts(pubKey);
}
return true;
}
bool FillableSigningProvider::RemoveWatchOnly(const CScript &dest)
{
LOCK(cs_KeyStore);
setWatchOnly.erase(dest);
CPubKey pubKey;
if (ExtractPubKey(dest, pubKey)) {
mapWatchKeys.erase(pubKey.GetID());
}
// Related CScripts are not removed; having superfluous scripts around is
// harmless (see comment in ImplicitlyLearnRelatedKeyScripts).
return true;
}
bool FillableSigningProvider::HaveWatchOnly(const CScript &dest) const
{
LOCK(cs_KeyStore);
return setWatchOnly.count(dest) > 0;
}
bool FillableSigningProvider::HaveWatchOnly() const
{
LOCK(cs_KeyStore);
return (!setWatchOnly.empty());
}
CKeyID GetKeyForDestination(const SigningProvider& store, const CTxDestination& dest)
{
// Only supports destinations which map to single public keys, i.e. P2PKH,

9
src/script/signingprovider.h
View File

@@ -66,14 +66,10 @@ protected:
mutable CCriticalSection cs_KeyStore;
using KeyMap = std::map<CKeyID, CKey>;
using WatchKeyMap = std::map<CKeyID, CPubKey>;
using ScriptMap = std::map<CScriptID, CScript>;
using WatchOnlySet = std::set<CScript>;
KeyMap mapKeys GUARDED_BY(cs_KeyStore);
WatchKeyMap mapWatchKeys GUARDED_BY(cs_KeyStore);
ScriptMap mapScripts GUARDED_BY(cs_KeyStore);
WatchOnlySet setWatchOnly GUARDED_BY(cs_KeyStore);
void ImplicitlyLearnRelatedKeyScripts(const CPubKey& pubkey) EXCLUSIVE_LOCKS_REQUIRED(cs_KeyStore);
@@ -88,11 +84,6 @@ public:
virtual bool HaveCScript(const CScriptID &hash) const override;
virtual std::set<CScriptID> GetCScripts() const;
virtual bool GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const override;
virtual bool AddWatchOnly(const CScript &dest);
virtual bool RemoveWatchOnly(const CScript &dest);
virtual bool HaveWatchOnly(const CScript &dest) const;
virtual bool HaveWatchOnly() const;
};
/** Return the CKeyID of the key involved in a script (if there is a unique one). */