1 files changed, 115 insertions, 0 deletions
diff --git a/src/keystore.cpp b/src/keystore.cpp
new file mode 100644
index 000000000..d568a7435
--- /dev/null
+++ b/src/keystore.cpp
@@ -0,0 +1,115 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2015 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "keystore.h"
+
+#include "key.h"
+#include "pubkey.h"
+#include "util.h"
+
+#include <boost/foreach.hpp>
+
+bool CKeyStore::AddKey(const CKey &key) {
+    return AddKeyPubKey(key, key.GetPubKey());
+}
+
+bool CBasicKeyStore::GetPubKey(const CKeyID &address, CPubKey &vchPubKeyOut) const
+{
+    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();
+    return true;
+}
+
+bool CBasicKeyStore::AddKeyPubKey(const CKey& key, const CPubKey &pubkey)
+{
+    LOCK(cs_KeyStore);
+    mapKeys[pubkey.GetID()] = key;
+    return true;
+}
+
+bool CBasicKeyStore::AddCScript(const CScript& redeemScript)
+{
+    if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
+        return error("CBasicKeyStore::AddCScript(): redeemScripts > %i bytes are invalid", MAX_SCRIPT_ELEMENT_SIZE);
+
+    LOCK(cs_KeyStore);
+    mapScripts[CScriptID(redeemScript)] = redeemScript;
+    return true;
+}
+
+bool CBasicKeyStore::HaveCScript(const CScriptID& hash) const
+{
+    LOCK(cs_KeyStore);
+    return mapScripts.count(hash) > 0;
+}
+
+bool CBasicKeyStore::GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const
+{
+    LOCK(cs_KeyStore);
+    ScriptMap::const_iterator mi = mapScripts.find(hash);
+    if (mi != mapScripts.end())
+    {
+        redeemScriptOut = (*mi).second;
+        return true;
+    }
+    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) || vch.size() < 33 || vch.size() > 65)
+        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 CBasicKeyStore::AddWatchOnly(const CScript &dest)
+{
+    LOCK(cs_KeyStore);
+    setWatchOnly.insert(dest);
+    CPubKey pubKey;
+    if (ExtractPubKey(dest, pubKey))
+        mapWatchKeys[pubKey.GetID()] = pubKey;
+    return true;
+}
+
+bool CBasicKeyStore::RemoveWatchOnly(const CScript &dest)
+{
+    LOCK(cs_KeyStore);
+    setWatchOnly.erase(dest);
+    CPubKey pubKey;
+    if (ExtractPubKey(dest, pubKey))
+        mapWatchKeys.erase(pubKey.GetID());
+    return true;
+}
+
+bool CBasicKeyStore::HaveWatchOnly(const CScript &dest) const
+{
+    LOCK(cs_KeyStore);
+    return setWatchOnly.count(dest) > 0;
+}
+
+bool CBasicKeyStore::HaveWatchOnly() const
+{
+    LOCK(cs_KeyStore);
+    return (!setWatchOnly.empty());
+}