bool CAccountHD::GetKey(const CKeyID& keyID, CKey& key) const
{
assert(!m_readOnly);
assert(IsHD());
// Witness keys are a special case.
// They are stored instead of generated on demand (so that they work in encrypted wallets)
if (IsPoW2Witness())
{
if (internalKeyStore.GetKey(keyID, key))
{
// But skip it if it is an empty key... (Which can happen by design)
// Technical: Witness keystore is filled with "public/empty" pairs as the public keys are created and then populated on demand with "public/witness" keys only when they are needed/generated (first use)
if (key.IsValid())
return true;
}
}
if (IsLocked())
return false;
int64_t nKeyIndex = -1;
CExtKey privKey;
if (externalKeyStore.GetKey(keyID, nKeyIndex))
{
primaryChainKeyPriv.Derive(privKey, nKeyIndex);
if(privKey.Neuter().pubkey.GetID() != keyID)
assert(0);
key = privKey.key;
return true;
}
if (internalKeyStore.GetKey(keyID, nKeyIndex))
{
changeChainKeyPriv.Derive(privKey, nKeyIndex);
if(privKey.Neuter().pubkey.GetID() != keyID)
assert(0);
key = privKey.key;
return true;
}
return false;
}
bool CAccountHD::GetKey(const CKeyID& keyID, CKey& key) const
{
if (IsLocked())
return false;
int64_t nKeyIndex = -1;
CExtKey privKey;
if (externalKeyStore.GetKey(keyID, nKeyIndex)) {
primaryChainKeyPriv.Derive(privKey, nKeyIndex);
if (privKey.Neuter().pubkey.GetID() != keyID)
assert(0);
key = privKey.key;
return true;
}
if (internalKeyStore.GetKey(keyID, nKeyIndex)) {
changeChainKeyPriv.Derive(privKey, nKeyIndex);
if (privKey.Neuter().pubkey.GetID() != keyID)
assert(0);
key = privKey.key;
return true;
}
return false;
}