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keystore.cpp
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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 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>
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::HaveKey(const CKeyID &address) const {
LOCK(cs_KeyStore);
return mapKeys.count(address) > 0;
}
std::set<CKeyID> CBasicKeyStore::GetKeys() const {
LOCK(cs_KeyStore);
std::set<CKeyID> set_address;
for (const auto &mi : mapKeys) {
set_address.insert(mi.first);
}
return set_address;
}
bool CBasicKeyStore::GetKey(const CKeyID &address, CKey &keyOut) const {
{
LOCK(cs_KeyStore);
KeyMap::const_iterator mi = mapKeys.find(address);
if (mi != mapKeys.end()) {
keyOut = mi->second;
return true;
}
}
return false;
}
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;
}
std::set<CScriptID> CBasicKeyStore::GetCScripts() const {
LOCK(cs_KeyStore);
std::set<CScriptID> set_script;
for (const auto &mi : mapScripts) {
set_script.insert(mi.first);
}
return set_script;
}
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<uint8_t> 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());
}

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