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Add support for spending keys to the basic key store

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This commit is contained in:
Jack Grigg
2016-08-09 13:34:58 +12:00
parent a8270035c0
commit 7c929cf5bc
7 changed files with 96 additions and 5 deletions
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49
src/keystore.h
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@@ -11,6 +11,7 @@
#include "script/script.h"
#include "script/standard.h"
#include "sync.h"
#include "zcash/Address.hpp"
#include <boost/signals2/signal.hpp>
#include <boost/variant.hpp>
@@ -44,11 +45,21 @@ public:
virtual bool RemoveWatchOnly(const CScript &dest) =0;
virtual bool HaveWatchOnly(const CScript &dest) const =0;
virtual bool HaveWatchOnly() const =0;
//! Add a spending key to the store.
virtual bool AddSpendingKeyPaymentAddress(const libzcash::SpendingKey &key, const libzcash::PaymentAddress &address) =0;
virtual bool AddSpendingKey(const libzcash::SpendingKey &key);
//! Check whether a spending key corresponding to a given payment address is present in the store.
virtual bool HaveSpendingKey(const libzcash::PaymentAddress &address) const =0;
virtual bool GetSpendingKey(const libzcash::PaymentAddress &address, libzcash::SpendingKey& keyOut) const =0;
virtual void GetPaymentAddresses(std::set<libzcash::PaymentAddress> &setAddress) const =0;
};
typedef std::map<CKeyID, CKey> KeyMap;
typedef std::map<CScriptID, CScript > ScriptMap;
typedef std::set<CScript> WatchOnlySet;
typedef std::map<libzcash::PaymentAddress, libzcash::SpendingKey> SpendingKeyMap;
/** Basic key store, that keeps keys in an address->secret map */
class CBasicKeyStore : public CKeyStore
@@ -57,6 +68,7 @@ protected:
KeyMap mapKeys;
ScriptMap mapScripts;
WatchOnlySet setWatchOnly;
SpendingKeyMap mapSpendingKeys;
public:
bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey);
@@ -103,6 +115,43 @@ public:
virtual bool RemoveWatchOnly(const CScript &dest);
virtual bool HaveWatchOnly(const CScript &dest) const;
virtual bool HaveWatchOnly() const;
bool AddSpendingKeyPaymentAddress(const libzcash::SpendingKey &key, const libzcash::PaymentAddress &address);
bool HaveSpendingKey(const libzcash::PaymentAddress &address) const
{
bool result;
{
LOCK(cs_KeyStore);
result = (mapSpendingKeys.count(address) > 0);
}
return result;
}
bool GetSpendingKey(const libzcash::PaymentAddress &address, libzcash::SpendingKey &keyOut) const
{
{
LOCK(cs_KeyStore);
SpendingKeyMap::const_iterator mi = mapSpendingKeys.find(address);
if (mi != mapSpendingKeys.end())
{
keyOut = mi->second;
return true;
}
}
return false;
}
void GetPaymentAddresses(std::set<libzcash::PaymentAddress> &setAddress) const
{
setAddress.clear();
{
LOCK(cs_KeyStore);
SpendingKeyMap::const_iterator mi = mapSpendingKeys.begin();
while (mi != mapSpendingKeys.end())
{
setAddress.insert((*mi).first);
mi++;
}
}
}
};
typedef std::vector<unsigned char, secure_allocator<unsigned char> > CKeyingMaterial;