278 lines
7.6 KiB
C++
278 lines
7.6 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or https://www.opensource.org/licenses/mit-license.php .
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#include "keystore.h"
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#include "key.h"
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#include "pubkey.h"
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#include "util.h"
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#include <boost/foreach.hpp>
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bool CKeyStore::AddKey(const CKey &key) {
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return AddKeyPubKey(key, key.GetPubKey());
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}
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bool CBasicKeyStore::GetPubKey(const CKeyID &address, CPubKey &vchPubKeyOut) const
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{
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CKey key;
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if (!GetKey(address, key)) {
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WatchKeyMap::const_iterator it = mapWatchKeys.find(address);
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if (it != mapWatchKeys.end()) {
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vchPubKeyOut = it->second;
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return true;
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}
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return false;
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}
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vchPubKeyOut = key.GetPubKey();
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return true;
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}
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bool CBasicKeyStore::SetHDSeed(const HDSeed& seed)
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{
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LOCK(cs_KeyStore);
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if (!hdSeed.IsNull()) {
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// Don't allow an existing seed to be changed. We can maybe relax this
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// restriction later once we have worked out the UX implications.
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return false;
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}
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hdSeed = seed;
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return true;
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}
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bool CBasicKeyStore::HaveHDSeed() const
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{
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LOCK(cs_KeyStore);
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return !hdSeed.IsNull();
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}
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bool CBasicKeyStore::GetHDSeed(HDSeed& seedOut) const
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{
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LOCK(cs_KeyStore);
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if (hdSeed.IsNull()) {
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return false;
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} else {
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seedOut = hdSeed;
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return true;
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}
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}
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bool CBasicKeyStore::AddKeyPubKey(const CKey& key, const CPubKey &pubkey)
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{
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LOCK(cs_KeyStore);
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mapKeys[pubkey.GetID()] = key;
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return true;
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}
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bool CBasicKeyStore::AddCScript(const CScript& redeemScript)
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{
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if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
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return error("CBasicKeyStore::AddCScript(): redeemScripts > %i bytes are invalid", MAX_SCRIPT_ELEMENT_SIZE);
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LOCK(cs_KeyStore);
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mapScripts[CScriptID(redeemScript)] = redeemScript;
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return true;
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}
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bool CBasicKeyStore::HaveCScript(const CScriptID& hash) const
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{
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LOCK(cs_KeyStore);
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return mapScripts.count(hash) > 0;
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}
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bool CBasicKeyStore::GetCScript(const CScriptID &hash, CScript& redeemScriptOut) const
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{
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LOCK(cs_KeyStore);
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ScriptMap::const_iterator mi = mapScripts.find(hash);
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if (mi != mapScripts.end())
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{
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redeemScriptOut = (*mi).second;
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return true;
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}
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return false;
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}
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static bool ExtractPubKey(const CScript &dest, CPubKey& pubKeyOut)
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{
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//TODO: Use Solver to extract this?
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CScript::const_iterator pc = dest.begin();
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opcodetype opcode;
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std::vector<unsigned char> vch;
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if (!dest.GetOp(pc, opcode, vch) || vch.size() < 33 || vch.size() > 65)
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return false;
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pubKeyOut = CPubKey(vch);
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if (!pubKeyOut.IsFullyValid())
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return false;
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if (!dest.GetOp(pc, opcode, vch) || opcode != OP_CHECKSIG || dest.GetOp(pc, opcode, vch))
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return false;
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return true;
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}
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bool CBasicKeyStore::AddWatchOnly(const CScript &dest)
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{
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LOCK(cs_KeyStore);
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setWatchOnly.insert(dest);
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CPubKey pubKey;
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if (ExtractPubKey(dest, pubKey))
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mapWatchKeys[pubKey.GetID()] = pubKey;
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return true;
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}
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bool CBasicKeyStore::RemoveWatchOnly(const CScript &dest)
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{
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LOCK(cs_KeyStore);
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setWatchOnly.erase(dest);
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CPubKey pubKey;
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if (ExtractPubKey(dest, pubKey))
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mapWatchKeys.erase(pubKey.GetID());
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return true;
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}
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bool CBasicKeyStore::HaveWatchOnly(const CScript &dest) const
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{
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LOCK(cs_KeyStore);
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return setWatchOnly.count(dest) > 0;
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}
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bool CBasicKeyStore::HaveWatchOnly() const
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{
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LOCK(cs_KeyStore);
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return (!setWatchOnly.empty());
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}
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bool CBasicKeyStore::AddSproutSpendingKey(const libzcash::SproutSpendingKey &sk)
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{
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LOCK(cs_KeyStore);
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auto address = sk.address();
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mapSproutSpendingKeys[address] = sk;
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mapNoteDecryptors.insert(std::make_pair(address, ZCNoteDecryption(sk.receiving_key())));
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return true;
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}
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//! Sapling
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bool CBasicKeyStore::AddSaplingSpendingKey(
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const libzcash::SaplingExtendedSpendingKey &sk)
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{
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LOCK(cs_KeyStore);
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auto extfvk = sk.ToXFVK();
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// if extfvk is not in SaplingFullViewingKeyMap, add it
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if (!CBasicKeyStore::AddSaplingFullViewingKey(extfvk)) {
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return false;
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}
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mapSaplingSpendingKeys[extfvk] = sk;
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return true;
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}
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bool CBasicKeyStore::AddSproutViewingKey(const libzcash::SproutViewingKey &vk)
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{
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LOCK(cs_KeyStore);
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auto address = vk.address();
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mapSproutViewingKeys[address] = vk;
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mapNoteDecryptors.insert(std::make_pair(address, ZCNoteDecryption(vk.sk_enc)));
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return true;
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}
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bool CBasicKeyStore::AddSaplingFullViewingKey(
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const libzcash::SaplingExtendedFullViewingKey &extfvk)
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{
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LOCK(cs_KeyStore);
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auto ivk = extfvk.fvk.in_viewing_key();
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mapSaplingFullViewingKeys[ivk] = extfvk;
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return CBasicKeyStore::AddSaplingIncomingViewingKey(ivk, extfvk.DefaultAddress());
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}
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// This function updates the wallet's internal address->ivk map.
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// If we add an address that is already in the map, the map will
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// remain unchanged as each address only has one ivk.
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bool CBasicKeyStore::AddSaplingIncomingViewingKey(
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const libzcash::SaplingIncomingViewingKey &ivk,
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const libzcash::SaplingPaymentAddress &addr)
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{
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LOCK(cs_KeyStore);
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// Add addr -> SaplingIncomingViewing to SaplingIncomingViewingKeyMap
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mapSaplingIncomingViewingKeys[addr] = ivk;
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return true;
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}
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bool CBasicKeyStore::RemoveSproutViewingKey(const libzcash::SproutViewingKey &vk)
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{
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LOCK(cs_KeyStore);
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mapSproutViewingKeys.erase(vk.address());
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return true;
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}
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bool CBasicKeyStore::HaveSproutViewingKey(const libzcash::SproutPaymentAddress &address) const
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{
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LOCK(cs_KeyStore);
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return mapSproutViewingKeys.count(address) > 0;
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}
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bool CBasicKeyStore::HaveSaplingFullViewingKey(const libzcash::SaplingIncomingViewingKey &ivk) const
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{
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LOCK(cs_KeyStore);
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return mapSaplingFullViewingKeys.count(ivk) > 0;
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}
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bool CBasicKeyStore::HaveSaplingIncomingViewingKey(const libzcash::SaplingPaymentAddress &addr) const
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{
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LOCK(cs_KeyStore);
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return mapSaplingIncomingViewingKeys.count(addr) > 0;
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}
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bool CBasicKeyStore::GetSproutViewingKey(
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const libzcash::SproutPaymentAddress &address,
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libzcash::SproutViewingKey &vkOut) const
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{
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LOCK(cs_KeyStore);
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SproutViewingKeyMap::const_iterator mi = mapSproutViewingKeys.find(address);
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if (mi != mapSproutViewingKeys.end()) {
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vkOut = mi->second;
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return true;
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}
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return false;
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}
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bool CBasicKeyStore::GetSaplingFullViewingKey(
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const libzcash::SaplingIncomingViewingKey &ivk,
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libzcash::SaplingExtendedFullViewingKey &extfvkOut) const
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{
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LOCK(cs_KeyStore);
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SaplingFullViewingKeyMap::const_iterator mi = mapSaplingFullViewingKeys.find(ivk);
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if (mi != mapSaplingFullViewingKeys.end()) {
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extfvkOut = mi->second;
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return true;
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}
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return false;
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}
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bool CBasicKeyStore::GetSaplingIncomingViewingKey(const libzcash::SaplingPaymentAddress &addr,
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libzcash::SaplingIncomingViewingKey &ivkOut) const
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{
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LOCK(cs_KeyStore);
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SaplingIncomingViewingKeyMap::const_iterator mi = mapSaplingIncomingViewingKeys.find(addr);
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if (mi != mapSaplingIncomingViewingKeys.end()) {
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ivkOut = mi->second;
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return true;
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}
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return false;
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}
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bool CBasicKeyStore::GetSaplingExtendedSpendingKey(const libzcash::SaplingPaymentAddress &addr,
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libzcash::SaplingExtendedSpendingKey &extskOut) const {
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libzcash::SaplingIncomingViewingKey ivk;
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libzcash::SaplingExtendedFullViewingKey extfvk;
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LOCK(cs_KeyStore);
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return GetSaplingIncomingViewingKey(addr, ivk) &&
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GetSaplingFullViewingKey(ivk, extfvk) &&
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GetSaplingSpendingKey(extfvk, extskOut);
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}
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