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-rw-r--r--src/interfaces/wallet.cpp2
-rw-r--r--src/wallet/crypter.cpp192
-rw-r--r--src/wallet/crypter.h54
-rw-r--r--src/wallet/wallet.cpp207
-rw-r--r--src/wallet/wallet.h48
5 files changed, 247 insertions, 256 deletions
diff --git a/src/interfaces/wallet.cpp b/src/interfaces/wallet.cpp
index 34c982e1e6..f4d25d1f90 100644
--- a/src/interfaces/wallet.cpp
+++ b/src/interfaces/wallet.cpp
@@ -476,7 +476,7 @@ public:
}
std::unique_ptr<Handler> handleStatusChanged(StatusChangedFn fn) override
{
- return MakeHandler(m_wallet->NotifyStatusChanged.connect([fn](CCryptoKeyStore*) { fn(); }));
+ return MakeHandler(m_wallet->NotifyStatusChanged.connect([fn](CWallet*) { fn(); }));
}
std::unique_ptr<Handler> handleAddressBookChanged(AddressBookChangedFn fn) override
{
diff --git a/src/wallet/crypter.cpp b/src/wallet/crypter.cpp
index 3070454b1b..0b76c1a0eb 100644
--- a/src/wallet/crypter.cpp
+++ b/src/wallet/crypter.cpp
@@ -107,8 +107,7 @@ bool CCrypter::Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingM
return true;
}
-
-static bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMaterial &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext)
+bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMaterial &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext)
{
CCrypter cKeyCrypter;
std::vector<unsigned char> chIV(WALLET_CRYPTO_IV_SIZE);
@@ -118,7 +117,7 @@ static bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMateri
return cKeyCrypter.Encrypt(*((const CKeyingMaterial*)&vchPlaintext), vchCiphertext);
}
-static bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext)
+bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext)
{
CCrypter cKeyCrypter;
std::vector<unsigned char> chIV(WALLET_CRYPTO_IV_SIZE);
@@ -128,7 +127,7 @@ static bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<u
return cKeyCrypter.Decrypt(vchCiphertext, *((CKeyingMaterial*)&vchPlaintext));
}
-static bool DecryptKey(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCryptedSecret, const CPubKey& vchPubKey, CKey& key)
+bool DecryptKey(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCryptedSecret, const CPubKey& vchPubKey, CKey& key)
{
CKeyingMaterial vchSecret;
if(!DecryptSecret(vMasterKey, vchCryptedSecret, vchPubKey.GetHash(), vchSecret))
@@ -140,188 +139,3 @@ static bool DecryptKey(const CKeyingMaterial& vMasterKey, const std::vector<unsi
key.Set(vchSecret.begin(), vchSecret.end(), vchPubKey.IsCompressed());
return key.VerifyPubKey(vchPubKey);
}
-
-bool CCryptoKeyStore::SetCrypted()
-{
- LOCK(cs_KeyStore);
- if (fUseCrypto)
- return true;
- if (!mapKeys.empty())
- return false;
- fUseCrypto = true;
- return true;
-}
-
-bool CCryptoKeyStore::IsLocked() const
-{
- if (!IsCrypted()) {
- return false;
- }
- LOCK(cs_KeyStore);
- return vMasterKey.empty();
-}
-
-bool CCryptoKeyStore::Lock()
-{
- if (!SetCrypted())
- return false;
-
- {
- LOCK(cs_KeyStore);
- vMasterKey.clear();
- }
-
- NotifyStatusChanged(this);
- return true;
-}
-
-bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys)
-{
- {
- LOCK(cs_KeyStore);
- if (!SetCrypted())
- return false;
-
- bool keyPass = mapCryptedKeys.empty(); // Always pass when there are no encrypted keys
- bool keyFail = false;
- CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin();
- for (; mi != mapCryptedKeys.end(); ++mi)
- {
- const CPubKey &vchPubKey = (*mi).second.first;
- const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
- CKey key;
- if (!DecryptKey(vMasterKeyIn, vchCryptedSecret, vchPubKey, key))
- {
- keyFail = true;
- break;
- }
- keyPass = true;
- if (fDecryptionThoroughlyChecked)
- break;
- }
- if (keyPass && keyFail)
- {
- LogPrintf("The wallet is probably corrupted: Some keys decrypt but not all.\n");
- throw std::runtime_error("Error unlocking wallet: some keys decrypt but not all. Your wallet file may be corrupt.");
- }
- if (keyFail || (!keyPass && !accept_no_keys))
- return false;
- vMasterKey = vMasterKeyIn;
- fDecryptionThoroughlyChecked = true;
- }
- NotifyStatusChanged(this);
- return true;
-}
-
-bool CCryptoKeyStore::AddKeyPubKey(const CKey& key, const CPubKey &pubkey)
-{
- LOCK(cs_KeyStore);
- if (!IsCrypted()) {
- return FillableSigningProvider::AddKeyPubKey(key, pubkey);
- }
-
- if (IsLocked()) {
- return false;
- }
-
- std::vector<unsigned char> vchCryptedSecret;
- CKeyingMaterial vchSecret(key.begin(), key.end());
- if (!EncryptSecret(vMasterKey, vchSecret, pubkey.GetHash(), vchCryptedSecret)) {
- return false;
- }
-
- if (!AddCryptedKey(pubkey, vchCryptedSecret)) {
- return false;
- }
- return true;
-}
-
-
-bool CCryptoKeyStore::AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
-{
- LOCK(cs_KeyStore);
- if (!SetCrypted()) {
- return false;
- }
-
- mapCryptedKeys[vchPubKey.GetID()] = make_pair(vchPubKey, vchCryptedSecret);
- ImplicitlyLearnRelatedKeyScripts(vchPubKey);
- return true;
-}
-
-bool CCryptoKeyStore::HaveKey(const CKeyID &address) const
-{
- LOCK(cs_KeyStore);
- if (!IsCrypted()) {
- return FillableSigningProvider::HaveKey(address);
- }
- return mapCryptedKeys.count(address) > 0;
-}
-
-bool CCryptoKeyStore::GetKey(const CKeyID &address, CKey& keyOut) const
-{
- LOCK(cs_KeyStore);
- if (!IsCrypted()) {
- return FillableSigningProvider::GetKey(address, keyOut);
- }
-
- CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
- if (mi != mapCryptedKeys.end())
- {
- const CPubKey &vchPubKey = (*mi).second.first;
- const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
- return DecryptKey(vMasterKey, vchCryptedSecret, vchPubKey, keyOut);
- }
- return false;
-}
-
-bool CCryptoKeyStore::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const
-{
- LOCK(cs_KeyStore);
- if (!IsCrypted())
- return FillableSigningProvider::GetPubKey(address, vchPubKeyOut);
-
- CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
- if (mi != mapCryptedKeys.end())
- {
- vchPubKeyOut = (*mi).second.first;
- return true;
- }
- // Check for watch-only pubkeys
- return FillableSigningProvider::GetPubKey(address, vchPubKeyOut);
-}
-
-std::set<CKeyID> CCryptoKeyStore::GetKeys() const
-{
- LOCK(cs_KeyStore);
- if (!IsCrypted()) {
- return FillableSigningProvider::GetKeys();
- }
- std::set<CKeyID> set_address;
- for (const auto& mi : mapCryptedKeys) {
- set_address.insert(mi.first);
- }
- return set_address;
-}
-
-bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
-{
- LOCK(cs_KeyStore);
- if (!mapCryptedKeys.empty() || IsCrypted())
- return false;
-
- fUseCrypto = true;
- for (const KeyMap::value_type& mKey : mapKeys)
- {
- const CKey &key = mKey.second;
- CPubKey vchPubKey = key.GetPubKey();
- CKeyingMaterial vchSecret(key.begin(), key.end());
- std::vector<unsigned char> vchCryptedSecret;
- if (!EncryptSecret(vMasterKeyIn, vchSecret, vchPubKey.GetHash(), vchCryptedSecret))
- return false;
- if (!AddCryptedKey(vchPubKey, vchCryptedSecret))
- return false;
- }
- mapKeys.clear();
- return true;
-}
diff --git a/src/wallet/crypter.h b/src/wallet/crypter.h
index 4cc40a8c6f..17a4e9820c 100644
--- a/src/wallet/crypter.h
+++ b/src/wallet/crypter.h
@@ -11,8 +11,6 @@
#include <atomic>
-#include <boost/signals2/signal.hpp>
-
const unsigned int WALLET_CRYPTO_KEY_SIZE = 32;
const unsigned int WALLET_CRYPTO_SALT_SIZE = 8;
const unsigned int WALLET_CRYPTO_IV_SIZE = 16;
@@ -111,54 +109,8 @@ public:
}
};
-/** Keystore which keeps the private keys encrypted.
- * It derives from the basic key store, which is used if no encryption is active.
- */
-class CCryptoKeyStore : public FillableSigningProvider
-{
-private:
-
- CKeyingMaterial vMasterKey GUARDED_BY(cs_KeyStore);
-
- //! if fUseCrypto is true, mapKeys must be empty
- //! if fUseCrypto is false, vMasterKey must be empty
- std::atomic<bool> fUseCrypto;
-
- //! keeps track of whether Unlock has run a thorough check before
- bool fDecryptionThoroughlyChecked;
-
-protected:
- using CryptedKeyMap = std::map<CKeyID, std::pair<CPubKey, std::vector<unsigned char>>>;
-
- bool SetCrypted();
-
- //! will encrypt previously unencrypted keys
- bool EncryptKeys(CKeyingMaterial& vMasterKeyIn);
-
- bool Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys = false);
- CryptedKeyMap mapCryptedKeys GUARDED_BY(cs_KeyStore);
-
-public:
- CCryptoKeyStore() : fUseCrypto(false), fDecryptionThoroughlyChecked(false)
- {
- }
-
- bool IsCrypted() const { return fUseCrypto; }
- bool IsLocked() const;
- bool Lock();
-
- virtual bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
- bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey) override;
- bool HaveKey(const CKeyID &address) const override;
- bool GetKey(const CKeyID &address, CKey& keyOut) const override;
- bool GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const override;
- std::set<CKeyID> GetKeys() const override;
-
- /**
- * Wallet status (encrypted, locked) changed.
- * Note: Called without locks held.
- */
- boost::signals2::signal<void (CCryptoKeyStore* wallet)> NotifyStatusChanged;
-};
+bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMaterial &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext);
+bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext);
+bool DecryptKey(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCryptedSecret, const CPubKey& vchPubKey, CKey& key);
#endif // BITCOIN_WALLET_CRYPTER_H
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 054123880b..0a915ff9a1 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -294,14 +294,14 @@ bool CWallet::AddKeyPubKeyWithDB(WalletBatch& batch, const CKey& secret, const C
// Make sure we aren't adding private keys to private key disabled wallets
assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
- // CCryptoKeyStore has no concept of wallet databases, but calls AddCryptedKey
+ // FillableSigningProvider has no concept of wallet databases, but calls AddCryptedKey
// which is overridden below. To avoid flushes, the database handle is
// tunneled through to it.
bool needsDB = !encrypted_batch;
if (needsDB) {
encrypted_batch = &batch;
}
- if (!CCryptoKeyStore::AddKeyPubKey(secret, pubkey)) {
+ if (!AddKeyPubKeyInner(secret, pubkey)) {
if (needsDB) encrypted_batch = nullptr;
return false;
}
@@ -336,7 +336,7 @@ bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
const std::vector<unsigned char> &vchCryptedSecret)
{
- if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret))
+ if (!AddCryptedKeyInner(vchPubKey, vchCryptedSecret))
return false;
{
LOCK(cs_wallet);
@@ -404,7 +404,7 @@ void CWallet::UpgradeKeyMetadata()
bool CWallet::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
{
- return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret);
+ return AddCryptedKeyInner(vchPubKey, vchCryptedSecret);
}
/**
@@ -431,7 +431,7 @@ bool CWallet::AddCScript(const CScript& redeemScript)
bool CWallet::AddCScriptWithDB(WalletBatch& batch, const CScript& redeemScript)
{
- if (!CCryptoKeyStore::AddCScript(redeemScript))
+ if (!FillableSigningProvider::AddCScript(redeemScript))
return false;
if (batch.WriteCScript(Hash160(redeemScript), redeemScript)) {
UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
@@ -452,12 +452,12 @@ bool CWallet::LoadCScript(const CScript& redeemScript)
return true;
}
- return CCryptoKeyStore::AddCScript(redeemScript);
+ return FillableSigningProvider::AddCScript(redeemScript);
}
bool CWallet::AddWatchOnlyWithDB(WalletBatch &batch, const CScript& dest)
{
- if (!CCryptoKeyStore::AddWatchOnly(dest))
+ if (!FillableSigningProvider::AddWatchOnly(dest))
return false;
const CKeyMetadata& meta = m_script_metadata[CScriptID(dest)];
UpdateTimeFirstKey(meta.nCreateTime);
@@ -490,7 +490,7 @@ bool CWallet::AddWatchOnly(const CScript& dest, int64_t nCreateTime)
bool CWallet::RemoveWatchOnly(const CScript &dest)
{
AssertLockHeld(cs_wallet);
- if (!CCryptoKeyStore::RemoveWatchOnly(dest))
+ if (!FillableSigningProvider::RemoveWatchOnly(dest))
return false;
if (!HaveWatchOnly())
NotifyWatchonlyChanged(false);
@@ -502,7 +502,7 @@ bool CWallet::RemoveWatchOnly(const CScript &dest)
bool CWallet::LoadWatchOnly(const CScript &dest)
{
- return CCryptoKeyStore::AddWatchOnly(dest);
+ return FillableSigningProvider::AddWatchOnly(dest);
}
bool CWallet::Unlock(const SecureString& strWalletPassphrase, bool accept_no_keys)
@@ -518,7 +518,7 @@ bool CWallet::Unlock(const SecureString& strWalletPassphrase, bool accept_no_key
return false;
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
continue; // try another master key
- if (CCryptoKeyStore::Unlock(_vMasterKey, accept_no_keys)) {
+ if (Unlock(_vMasterKey, accept_no_keys)) {
// Now that we've unlocked, upgrade the key metadata
UpgradeKeyMetadata();
return true;
@@ -544,7 +544,7 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase,
return false;
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
return false;
- if (CCryptoKeyStore::Unlock(_vMasterKey))
+ if (Unlock(_vMasterKey))
{
int64_t nStartTime = GetTimeMillis();
crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
@@ -4588,3 +4588,188 @@ bool CWallet::AddKeyOriginWithDB(WalletBatch& batch, const CPubKey& pubkey, cons
mapKeyMetadata[pubkey.GetID()].hdKeypath = WriteHDKeypath(info.path);
return batch.WriteKeyMetadata(mapKeyMetadata[pubkey.GetID()], pubkey, true);
}
+
+bool CWallet::SetCrypted()
+{
+ LOCK(cs_KeyStore);
+ if (fUseCrypto)
+ return true;
+ if (!mapKeys.empty())
+ return false;
+ fUseCrypto = true;
+ return true;
+}
+
+bool CWallet::IsLocked() const
+{
+ if (!IsCrypted()) {
+ return false;
+ }
+ LOCK(cs_KeyStore);
+ return vMasterKey.empty();
+}
+
+bool CWallet::Lock()
+{
+ if (!SetCrypted())
+ return false;
+
+ {
+ LOCK(cs_KeyStore);
+ vMasterKey.clear();
+ }
+
+ NotifyStatusChanged(this);
+ return true;
+}
+
+bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys)
+{
+ {
+ LOCK(cs_KeyStore);
+ if (!SetCrypted())
+ return false;
+
+ bool keyPass = mapCryptedKeys.empty(); // Always pass when there are no encrypted keys
+ bool keyFail = false;
+ CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin();
+ for (; mi != mapCryptedKeys.end(); ++mi)
+ {
+ const CPubKey &vchPubKey = (*mi).second.first;
+ const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
+ CKey key;
+ if (!DecryptKey(vMasterKeyIn, vchCryptedSecret, vchPubKey, key))
+ {
+ keyFail = true;
+ break;
+ }
+ keyPass = true;
+ if (fDecryptionThoroughlyChecked)
+ break;
+ }
+ if (keyPass && keyFail)
+ {
+ LogPrintf("The wallet is probably corrupted: Some keys decrypt but not all.\n");
+ throw std::runtime_error("Error unlocking wallet: some keys decrypt but not all. Your wallet file may be corrupt.");
+ }
+ if (keyFail || (!keyPass && !accept_no_keys))
+ return false;
+ vMasterKey = vMasterKeyIn;
+ fDecryptionThoroughlyChecked = true;
+ }
+ NotifyStatusChanged(this);
+ return true;
+}
+
+bool CWallet::HaveKey(const CKeyID &address) const
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ return FillableSigningProvider::HaveKey(address);
+ }
+ return mapCryptedKeys.count(address) > 0;
+}
+
+bool CWallet::GetKey(const CKeyID &address, CKey& keyOut) const
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ return FillableSigningProvider::GetKey(address, keyOut);
+ }
+
+ CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
+ if (mi != mapCryptedKeys.end())
+ {
+ const CPubKey &vchPubKey = (*mi).second.first;
+ const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
+ return DecryptKey(vMasterKey, vchCryptedSecret, vchPubKey, keyOut);
+ }
+ return false;
+}
+
+bool CWallet::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted())
+ return FillableSigningProvider::GetPubKey(address, vchPubKeyOut);
+
+ CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
+ if (mi != mapCryptedKeys.end())
+ {
+ vchPubKeyOut = (*mi).second.first;
+ return true;
+ }
+ // Check for watch-only pubkeys
+ return FillableSigningProvider::GetPubKey(address, vchPubKeyOut);
+}
+
+std::set<CKeyID> CWallet::GetKeys() const
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ return FillableSigningProvider::GetKeys();
+ }
+ std::set<CKeyID> set_address;
+ for (const auto& mi : mapCryptedKeys) {
+ set_address.insert(mi.first);
+ }
+ return set_address;
+}
+
+bool CWallet::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
+{
+ LOCK(cs_KeyStore);
+ if (!mapCryptedKeys.empty() || IsCrypted())
+ return false;
+
+ fUseCrypto = true;
+ for (const KeyMap::value_type& mKey : mapKeys)
+ {
+ const CKey &key = mKey.second;
+ CPubKey vchPubKey = key.GetPubKey();
+ CKeyingMaterial vchSecret(key.begin(), key.end());
+ std::vector<unsigned char> vchCryptedSecret;
+ if (!EncryptSecret(vMasterKeyIn, vchSecret, vchPubKey.GetHash(), vchCryptedSecret))
+ return false;
+ if (!AddCryptedKey(vchPubKey, vchCryptedSecret))
+ return false;
+ }
+ mapKeys.clear();
+ return true;
+}
+
+bool CWallet::AddKeyPubKeyInner(const CKey& key, const CPubKey &pubkey)
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ return FillableSigningProvider::AddKeyPubKey(key, pubkey);
+ }
+
+ if (IsLocked()) {
+ return false;
+ }
+
+ std::vector<unsigned char> vchCryptedSecret;
+ CKeyingMaterial vchSecret(key.begin(), key.end());
+ if (!EncryptSecret(vMasterKey, vchSecret, pubkey.GetHash(), vchCryptedSecret)) {
+ return false;
+ }
+
+ if (!AddCryptedKey(pubkey, vchCryptedSecret)) {
+ return false;
+ }
+ return true;
+}
+
+
+bool CWallet::AddCryptedKeyInner(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
+{
+ LOCK(cs_KeyStore);
+ if (!SetCrypted()) {
+ return false;
+ }
+
+ mapCryptedKeys[vchPubKey.GetID()] = make_pair(vchPubKey, vchCryptedSecret);
+ ImplicitlyLearnRelatedKeyScripts(vchPubKey);
+ return true;
+}
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 3c1d998d19..bd92147a59 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -35,6 +35,8 @@
#include <utility>
#include <vector>
+#include <boost/signals2/signal.hpp>
+
//! Explicitly unload and delete the wallet.
//! Blocks the current thread after signaling the unload intent so that all
//! wallet clients release the wallet.
@@ -709,9 +711,31 @@ class WalletRescanReserver; //forward declarations for ScanForWalletTransactions
* A CWallet is an extension of a keystore, which also maintains a set of transactions and balances,
* and provides the ability to create new transactions.
*/
-class CWallet final : public CCryptoKeyStore, private interfaces::Chain::Notifications
+class CWallet final : public FillableSigningProvider, private interfaces::Chain::Notifications
{
private:
+ CKeyingMaterial vMasterKey GUARDED_BY(cs_KeyStore);
+
+ //! if fUseCrypto is true, mapKeys must be empty
+ //! if fUseCrypto is false, vMasterKey must be empty
+ std::atomic<bool> fUseCrypto;
+
+ //! keeps track of whether Unlock has run a thorough check before
+ bool fDecryptionThoroughlyChecked;
+
+ using CryptedKeyMap = std::map<CKeyID, std::pair<CPubKey, std::vector<unsigned char>>>;
+
+ bool SetCrypted();
+
+ //! will encrypt previously unencrypted keys
+ bool EncryptKeys(CKeyingMaterial& vMasterKeyIn);
+
+ bool Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys = false);
+ CryptedKeyMap mapCryptedKeys GUARDED_BY(cs_KeyStore);
+
+ bool AddCryptedKeyInner(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
+ bool AddKeyPubKeyInner(const CKey& key, const CPubKey &pubkey);
+
std::atomic<bool> fAbortRescan{false};
std::atomic<bool> fScanningWallet{false}; // controlled by WalletRescanReserver
std::atomic<int64_t> m_scanning_start{0};
@@ -879,7 +903,9 @@ public:
/** Construct wallet with specified name and database implementation. */
CWallet(interfaces::Chain* chain, const WalletLocation& location, std::unique_ptr<WalletDatabase> database)
- : m_chain(chain),
+ : fUseCrypto(false),
+ fDecryptionThoroughlyChecked(false),
+ m_chain(chain),
m_location(location),
database(std::move(database))
{
@@ -893,6 +919,10 @@ public:
encrypted_batch = nullptr;
}
+ bool IsCrypted() const { return fUseCrypto; }
+ bool IsLocked() const;
+ bool Lock();
+
std::map<uint256, CWalletTx> mapWallet GUARDED_BY(cs_wallet);
typedef std::multimap<int64_t, CWalletTx*> TxItems;
@@ -975,7 +1005,7 @@ public:
//! Adds a key to the store, and saves it to disk.
bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey) override EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
//! Adds a key to the store, without saving it to disk (used by LoadWallet)
- bool LoadKey(const CKey& key, const CPubKey &pubkey) { return CCryptoKeyStore::AddKeyPubKey(key, pubkey); }
+ bool LoadKey(const CKey& key, const CPubKey &pubkey) { return AddKeyPubKeyInner(key, pubkey); }
//! Load metadata (used by LoadWallet)
void LoadKeyMetadata(const CKeyID& keyID, const CKeyMetadata &metadata) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
void LoadScriptMetadata(const CScriptID& script_id, const CKeyMetadata &metadata) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
@@ -986,9 +1016,13 @@ public:
void UpdateTimeFirstKey(int64_t nCreateTime) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
//! Adds an encrypted key to the store, and saves it to disk.
- bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) override;
+ bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
//! Adds an encrypted key to the store, without saving it to disk (used by LoadWallet)
bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
+ bool GetKey(const CKeyID &address, CKey& keyOut) const override;
+ bool GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const override;
+ bool HaveKey(const CKeyID &address) const override;
+ std::set<CKeyID> GetKeys() const override;
bool AddCScript(const CScript& redeemScript) override;
bool LoadCScript(const CScript& redeemScript);
@@ -1232,6 +1266,12 @@ public:
/** Keypool has new keys */
boost::signals2::signal<void ()> NotifyCanGetAddressesChanged;
+ /**
+ * Wallet status (encrypted, locked) changed.
+ * Note: Called without locks held.
+ */
+ boost::signals2::signal<void (CWallet* wallet)> NotifyStatusChanged;
+
/** Inquire whether this wallet broadcasts transactions. */
bool GetBroadcastTransactions() const { return fBroadcastTransactions; }
/** Set whether this wallet broadcasts transactions. */