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1539 lines
49 KiB
1539 lines
49 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2012 The Bitcoin developers |
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// Distributed under the MIT/X11 software license, see the accompanying |
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// file license.txt or http://www.opensource.org/licenses/mit-license.php. |
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#include "headers.h" |
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#include "db.h" |
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#include "crypter.h" |
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using namespace std; |
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////////////////////////////////////////////////////////////////////////////// |
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// |
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// mapWallet |
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// |
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std::vector<unsigned char> CWallet::GenerateNewKey() |
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{ |
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bool fCompressed = true; // default to compressed public keys |
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RandAddSeedPerfmon(); |
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CKey key; |
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key.MakeNewKey(fCompressed); |
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// Compressed public keys were introduced in version 0.6.0 |
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if (fCompressed) |
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SetMinVersion(59900); |
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if (!AddKey(key)) |
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throw std::runtime_error("CWallet::GenerateNewKey() : AddKey failed"); |
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return key.GetPubKey(); |
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} |
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bool CWallet::AddKey(const CKey& key) |
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{ |
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if (!CCryptoKeyStore::AddKey(key)) |
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return false; |
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if (!fFileBacked) |
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return true; |
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if (!IsCrypted()) |
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return CWalletDB(strWalletFile).WriteKey(key.GetPubKey(), key.GetPrivKey()); |
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return true; |
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} |
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bool CWallet::AddCryptedKey(const vector<unsigned char> &vchPubKey, const vector<unsigned char> &vchCryptedSecret) |
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{ |
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if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret)) |
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return false; |
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if (!fFileBacked) |
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return true; |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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if (pwalletdbEncryption) |
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return pwalletdbEncryption->WriteCryptedKey(vchPubKey, vchCryptedSecret); |
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else |
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return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret); |
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} |
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return false; |
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} |
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bool CWallet::AddCScript(const CScript& redeemScript) |
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{ |
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if (!CCryptoKeyStore::AddCScript(redeemScript)) |
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return false; |
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if (!fFileBacked) |
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return true; |
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return CWalletDB(strWalletFile).WriteCScript(Hash160(redeemScript), redeemScript); |
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} |
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bool CWallet::Unlock(const SecureString& strWalletPassphrase) |
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{ |
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if (!IsLocked()) |
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return false; |
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CCrypter crypter; |
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CKeyingMaterial vMasterKey; |
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CRITICAL_BLOCK(cs_wallet) |
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BOOST_FOREACH(const MasterKeyMap::value_type& pMasterKey, mapMasterKeys) |
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{ |
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if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod)) |
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return false; |
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if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey)) |
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return false; |
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if (CCryptoKeyStore::Unlock(vMasterKey)) |
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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 CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase) |
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{ |
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bool fWasLocked = IsLocked(); |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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Lock(); |
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CCrypter crypter; |
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CKeyingMaterial vMasterKey; |
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BOOST_FOREACH(MasterKeyMap::value_type& pMasterKey, mapMasterKeys) |
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{ |
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if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod)) |
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return false; |
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if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey)) |
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return false; |
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if (CCryptoKeyStore::Unlock(vMasterKey)) |
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{ |
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int64 nStartTime = GetTimeMillis(); |
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crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod); |
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pMasterKey.second.nDeriveIterations = pMasterKey.second.nDeriveIterations * (100 / ((double)(GetTimeMillis() - nStartTime))); |
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nStartTime = GetTimeMillis(); |
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crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod); |
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pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + pMasterKey.second.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2; |
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if (pMasterKey.second.nDeriveIterations < 25000) |
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pMasterKey.second.nDeriveIterations = 25000; |
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printf("Wallet passphrase changed to an nDeriveIterations of %i\n", pMasterKey.second.nDeriveIterations); |
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if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod)) |
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return false; |
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if (!crypter.Encrypt(vMasterKey, pMasterKey.second.vchCryptedKey)) |
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return false; |
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CWalletDB(strWalletFile).WriteMasterKey(pMasterKey.first, pMasterKey.second); |
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if (fWasLocked) |
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Lock(); |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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// This class implements an addrIncoming entry that causes pre-0.4 |
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// clients to crash on startup if reading a private-key-encrypted wallet. |
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class CCorruptAddress |
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{ |
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public: |
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IMPLEMENT_SERIALIZE |
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( |
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if (nType & SER_DISK) |
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READWRITE(nVersion); |
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) |
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}; |
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bool CWallet::SetMinVersion(int nVersion, CWalletDB* pwalletdbIn) |
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{ |
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if (nWalletVersion >= nVersion) |
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return true; |
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nWalletVersion = nVersion; |
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if (fFileBacked) |
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{ |
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CWalletDB* pwalletdb = pwalletdbIn ? pwalletdbIn : new CWalletDB(strWalletFile); |
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if (nWalletVersion >= 40000) |
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{ |
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// Versions prior to 0.4.0 did not support the "minversion" record. |
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// Use a CCorruptAddress to make them crash instead. |
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CCorruptAddress corruptAddress; |
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pwalletdb->WriteSetting("addrIncoming", corruptAddress); |
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} |
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if (nWalletVersion > 40000) |
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pwalletdb->WriteMinVersion(nWalletVersion); |
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if (!pwalletdbIn) |
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delete pwalletdb; |
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} |
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return true; |
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} |
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bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase) |
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{ |
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if (IsCrypted()) |
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return false; |
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CKeyingMaterial vMasterKey; |
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RandAddSeedPerfmon(); |
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vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE); |
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RAND_bytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE); |
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CMasterKey kMasterKey; |
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RandAddSeedPerfmon(); |
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kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE); |
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RAND_bytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE); |
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CCrypter crypter; |
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int64 nStartTime = GetTimeMillis(); |
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crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod); |
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kMasterKey.nDeriveIterations = 2500000 / ((double)(GetTimeMillis() - nStartTime)); |
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nStartTime = GetTimeMillis(); |
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crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod); |
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kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2; |
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if (kMasterKey.nDeriveIterations < 25000) |
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kMasterKey.nDeriveIterations = 25000; |
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printf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations); |
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if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod)) |
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return false; |
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if (!crypter.Encrypt(vMasterKey, kMasterKey.vchCryptedKey)) |
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return false; |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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mapMasterKeys[++nMasterKeyMaxID] = kMasterKey; |
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if (fFileBacked) |
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{ |
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pwalletdbEncryption = new CWalletDB(strWalletFile); |
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pwalletdbEncryption->TxnBegin(); |
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pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey); |
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} |
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if (!EncryptKeys(vMasterKey)) |
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{ |
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if (fFileBacked) |
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pwalletdbEncryption->TxnAbort(); |
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exit(1); //We now probably have half of our keys encrypted in memory, and half not...die and let the user reload their unencrypted wallet. |
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} |
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// Encryption was introduced in version 0.4.0 |
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SetMinVersion(40000, pwalletdbEncryption); |
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if (fFileBacked) |
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{ |
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if (!pwalletdbEncryption->TxnCommit()) |
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exit(1); //We now have keys encrypted in memory, but no on disk...die to avoid confusion and let the user reload their unencrypted wallet. |
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delete pwalletdbEncryption; |
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pwalletdbEncryption = NULL; |
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} |
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Lock(); |
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Unlock(strWalletPassphrase); |
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NewKeyPool(); |
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Lock(); |
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// Need to completely rewrite the wallet file; if we don't, bdb might keep |
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// bits of the unencrypted private key in slack space in the database file. |
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CDB::Rewrite(strWalletFile); |
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} |
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return true; |
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} |
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void CWallet::WalletUpdateSpent(const CTransaction &tx) |
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{ |
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// Anytime a signature is successfully verified, it's proof the outpoint is spent. |
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// Update the wallet spent flag if it doesn't know due to wallet.dat being |
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// restored from backup or the user making copies of wallet.dat. |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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BOOST_FOREACH(const CTxIn& txin, tx.vin) |
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{ |
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map<uint256, CWalletTx>::iterator mi = mapWallet.find(txin.prevout.hash); |
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if (mi != mapWallet.end()) |
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{ |
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CWalletTx& wtx = (*mi).second; |
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if (!wtx.IsSpent(txin.prevout.n) && IsMine(wtx.vout[txin.prevout.n])) |
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{ |
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printf("WalletUpdateSpent found spent coin %sbc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str()); |
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wtx.MarkSpent(txin.prevout.n); |
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wtx.WriteToDisk(); |
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vWalletUpdated.push_back(txin.prevout.hash); |
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} |
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} |
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} |
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} |
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} |
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void CWallet::MarkDirty() |
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{ |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet) |
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item.second.MarkDirty(); |
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} |
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} |
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bool CWallet::AddToWallet(const CWalletTx& wtxIn) |
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{ |
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uint256 hash = wtxIn.GetHash(); |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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// Inserts only if not already there, returns tx inserted or tx found |
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pair<map<uint256, CWalletTx>::iterator, bool> ret = mapWallet.insert(make_pair(hash, wtxIn)); |
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CWalletTx& wtx = (*ret.first).second; |
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wtx.BindWallet(this); |
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bool fInsertedNew = ret.second; |
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if (fInsertedNew) |
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wtx.nTimeReceived = GetAdjustedTime(); |
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bool fUpdated = false; |
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if (!fInsertedNew) |
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{ |
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// Merge |
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if (wtxIn.hashBlock != 0 && wtxIn.hashBlock != wtx.hashBlock) |
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{ |
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wtx.hashBlock = wtxIn.hashBlock; |
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fUpdated = true; |
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} |
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if (wtxIn.nIndex != -1 && (wtxIn.vMerkleBranch != wtx.vMerkleBranch || wtxIn.nIndex != wtx.nIndex)) |
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{ |
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wtx.vMerkleBranch = wtxIn.vMerkleBranch; |
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wtx.nIndex = wtxIn.nIndex; |
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fUpdated = true; |
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} |
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if (wtxIn.fFromMe && wtxIn.fFromMe != wtx.fFromMe) |
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{ |
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wtx.fFromMe = wtxIn.fFromMe; |
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fUpdated = true; |
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} |
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fUpdated |= wtx.UpdateSpent(wtxIn.vfSpent); |
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} |
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//// debug print |
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printf("AddToWallet %s %s%s\n", wtxIn.GetHash().ToString().substr(0,10).c_str(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : "")); |
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// Write to disk |
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if (fInsertedNew || fUpdated) |
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if (!wtx.WriteToDisk()) |
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return false; |
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#ifndef QT_GUI |
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// If default receiving address gets used, replace it with a new one |
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CScript scriptDefaultKey; |
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scriptDefaultKey.SetBitcoinAddress(vchDefaultKey); |
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BOOST_FOREACH(const CTxOut& txout, wtx.vout) |
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{ |
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if (txout.scriptPubKey == scriptDefaultKey) |
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{ |
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std::vector<unsigned char> newDefaultKey; |
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if (GetKeyFromPool(newDefaultKey, false)) |
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{ |
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SetDefaultKey(newDefaultKey); |
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SetAddressBookName(CBitcoinAddress(vchDefaultKey), ""); |
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} |
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} |
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} |
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#endif |
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// Notify UI |
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vWalletUpdated.push_back(hash); |
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// since AddToWallet is called directly for self-originating transactions, check for consumption of own coins |
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WalletUpdateSpent(wtx); |
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} |
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// Refresh UI |
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MainFrameRepaint(); |
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return true; |
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} |
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// Add a transaction to the wallet, or update it. |
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// pblock is optional, but should be provided if the transaction is known to be in a block. |
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// If fUpdate is true, existing transactions will be updated. |
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bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate, bool fFindBlock) |
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{ |
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uint256 hash = tx.GetHash(); |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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bool fExisted = mapWallet.count(hash); |
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if (fExisted && !fUpdate) return false; |
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if (fExisted || IsMine(tx) || IsFromMe(tx)) |
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{ |
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CWalletTx wtx(this,tx); |
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// Get merkle branch if transaction was found in a block |
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if (pblock) |
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wtx.SetMerkleBranch(pblock); |
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return AddToWallet(wtx); |
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} |
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else |
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WalletUpdateSpent(tx); |
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} |
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return false; |
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} |
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bool CWallet::EraseFromWallet(uint256 hash) |
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{ |
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if (!fFileBacked) |
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return false; |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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if (mapWallet.erase(hash)) |
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CWalletDB(strWalletFile).EraseTx(hash); |
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} |
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return true; |
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} |
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bool CWallet::IsMine(const CTxIn &txin) const |
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{ |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash); |
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if (mi != mapWallet.end()) |
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{ |
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const CWalletTx& prev = (*mi).second; |
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if (txin.prevout.n < prev.vout.size()) |
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if (IsMine(prev.vout[txin.prevout.n])) |
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return true; |
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} |
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} |
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return false; |
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} |
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int64 CWallet::GetDebit(const CTxIn &txin) const |
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{ |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash); |
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if (mi != mapWallet.end()) |
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{ |
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const CWalletTx& prev = (*mi).second; |
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if (txin.prevout.n < prev.vout.size()) |
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if (IsMine(prev.vout[txin.prevout.n])) |
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return prev.vout[txin.prevout.n].nValue; |
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} |
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} |
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return 0; |
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} |
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bool CWallet::IsChange(const CTxOut& txout) const |
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{ |
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CBitcoinAddress address; |
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// TODO: fix handling of 'change' outputs. The assumption is that any |
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// payment to a TX_PUBKEYHASH that is mine but isn't in the address book |
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// is change. That assumption is likely to break when we implement multisignature |
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// wallets that return change back into a multi-signature-protected address; |
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// a better way of identifying which outputs are 'the send' and which are |
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// 'the change' will need to be implemented (maybe extend CWalletTx to remember |
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// which output, if any, was change). |
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if (ExtractAddress(txout.scriptPubKey, address) && HaveKey(address)) |
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CRITICAL_BLOCK(cs_wallet) |
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if (!mapAddressBook.count(address)) |
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return true; |
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return false; |
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} |
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|
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int64 CWalletTx::GetTxTime() const |
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{ |
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return nTimeReceived; |
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} |
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|
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int CWalletTx::GetRequestCount() const |
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{ |
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// Returns -1 if it wasn't being tracked |
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int nRequests = -1; |
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CRITICAL_BLOCK(pwallet->cs_wallet) |
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{ |
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if (IsCoinBase()) |
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{ |
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// Generated block |
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if (hashBlock != 0) |
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{ |
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map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock); |
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if (mi != pwallet->mapRequestCount.end()) |
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nRequests = (*mi).second; |
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} |
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} |
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else |
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{ |
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// Did anyone request this transaction? |
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map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(GetHash()); |
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if (mi != pwallet->mapRequestCount.end()) |
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{ |
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nRequests = (*mi).second; |
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|
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// How about the block it's in? |
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if (nRequests == 0 && hashBlock != 0) |
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{ |
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map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock); |
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if (mi != pwallet->mapRequestCount.end()) |
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nRequests = (*mi).second; |
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else |
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nRequests = 1; // If it's in someone else's block it must have got out |
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} |
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} |
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} |
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} |
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return nRequests; |
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} |
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|
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void CWalletTx::GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, list<pair<CBitcoinAddress, int64> >& listReceived, |
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list<pair<CBitcoinAddress, int64> >& listSent, int64& nFee, string& strSentAccount) const |
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{ |
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nGeneratedImmature = nGeneratedMature = nFee = 0; |
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listReceived.clear(); |
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listSent.clear(); |
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strSentAccount = strFromAccount; |
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|
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if (IsCoinBase()) |
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{ |
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if (GetBlocksToMaturity() > 0) |
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nGeneratedImmature = pwallet->GetCredit(*this); |
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else |
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nGeneratedMature = GetCredit(); |
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return; |
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} |
|
|
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// Compute fee: |
|
int64 nDebit = GetDebit(); |
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if (nDebit > 0) // debit>0 means we signed/sent this transaction |
|
{ |
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int64 nValueOut = GetValueOut(); |
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nFee = nDebit - nValueOut; |
|
} |
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|
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// Sent/received. |
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BOOST_FOREACH(const CTxOut& txout, vout) |
|
{ |
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CBitcoinAddress address; |
|
vector<unsigned char> vchPubKey; |
|
if (!ExtractAddress(txout.scriptPubKey, address)) |
|
{ |
|
printf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n", |
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this->GetHash().ToString().c_str()); |
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address = " unknown "; |
|
} |
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|
|
// Don't report 'change' txouts |
|
if (nDebit > 0 && pwallet->IsChange(txout)) |
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continue; |
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|
|
if (nDebit > 0) |
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listSent.push_back(make_pair(address, txout.nValue)); |
|
|
|
if (pwallet->IsMine(txout)) |
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listReceived.push_back(make_pair(address, txout.nValue)); |
|
} |
|
|
|
} |
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|
|
void CWalletTx::GetAccountAmounts(const string& strAccount, int64& nGenerated, int64& nReceived, |
|
int64& nSent, int64& nFee) const |
|
{ |
|
nGenerated = nReceived = nSent = nFee = 0; |
|
|
|
int64 allGeneratedImmature, allGeneratedMature, allFee; |
|
allGeneratedImmature = allGeneratedMature = allFee = 0; |
|
string strSentAccount; |
|
list<pair<CBitcoinAddress, int64> > listReceived; |
|
list<pair<CBitcoinAddress, int64> > listSent; |
|
GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount); |
|
|
|
if (strAccount == "") |
|
nGenerated = allGeneratedMature; |
|
if (strAccount == strSentAccount) |
|
{ |
|
BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& s, listSent) |
|
nSent += s.second; |
|
nFee = allFee; |
|
} |
|
CRITICAL_BLOCK(pwallet->cs_wallet) |
|
{ |
|
BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listReceived) |
|
{ |
|
if (pwallet->mapAddressBook.count(r.first)) |
|
{ |
|
map<CBitcoinAddress, string>::const_iterator mi = pwallet->mapAddressBook.find(r.first); |
|
if (mi != pwallet->mapAddressBook.end() && (*mi).second == strAccount) |
|
nReceived += r.second; |
|
} |
|
else if (strAccount.empty()) |
|
{ |
|
nReceived += r.second; |
|
} |
|
} |
|
} |
|
} |
|
|
|
void CWalletTx::AddSupportingTransactions(CTxDB& txdb) |
|
{ |
|
vtxPrev.clear(); |
|
|
|
const int COPY_DEPTH = 3; |
|
if (SetMerkleBranch() < COPY_DEPTH) |
|
{ |
|
vector<uint256> vWorkQueue; |
|
BOOST_FOREACH(const CTxIn& txin, vin) |
|
vWorkQueue.push_back(txin.prevout.hash); |
|
|
|
// This critsect is OK because txdb is already open |
|
CRITICAL_BLOCK(pwallet->cs_wallet) |
|
{ |
|
map<uint256, const CMerkleTx*> mapWalletPrev; |
|
set<uint256> setAlreadyDone; |
|
for (int i = 0; i < vWorkQueue.size(); i++) |
|
{ |
|
uint256 hash = vWorkQueue[i]; |
|
if (setAlreadyDone.count(hash)) |
|
continue; |
|
setAlreadyDone.insert(hash); |
|
|
|
CMerkleTx tx; |
|
map<uint256, CWalletTx>::const_iterator mi = pwallet->mapWallet.find(hash); |
|
if (mi != pwallet->mapWallet.end()) |
|
{ |
|
tx = (*mi).second; |
|
BOOST_FOREACH(const CMerkleTx& txWalletPrev, (*mi).second.vtxPrev) |
|
mapWalletPrev[txWalletPrev.GetHash()] = &txWalletPrev; |
|
} |
|
else if (mapWalletPrev.count(hash)) |
|
{ |
|
tx = *mapWalletPrev[hash]; |
|
} |
|
else if (!fClient && txdb.ReadDiskTx(hash, tx)) |
|
{ |
|
; |
|
} |
|
else |
|
{ |
|
printf("ERROR: AddSupportingTransactions() : unsupported transaction\n"); |
|
continue; |
|
} |
|
|
|
int nDepth = tx.SetMerkleBranch(); |
|
vtxPrev.push_back(tx); |
|
|
|
if (nDepth < COPY_DEPTH) |
|
BOOST_FOREACH(const CTxIn& txin, tx.vin) |
|
vWorkQueue.push_back(txin.prevout.hash); |
|
} |
|
} |
|
} |
|
|
|
reverse(vtxPrev.begin(), vtxPrev.end()); |
|
} |
|
|
|
bool CWalletTx::WriteToDisk() |
|
{ |
|
return CWalletDB(pwallet->strWalletFile).WriteTx(GetHash(), *this); |
|
} |
|
|
|
// Scan the block chain (starting in pindexStart) for transactions |
|
// from or to us. If fUpdate is true, found transactions that already |
|
// exist in the wallet will be updated. |
|
int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate) |
|
{ |
|
int ret = 0; |
|
|
|
CBlockIndex* pindex = pindexStart; |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
while (pindex) |
|
{ |
|
CBlock block; |
|
block.ReadFromDisk(pindex, true); |
|
BOOST_FOREACH(CTransaction& tx, block.vtx) |
|
{ |
|
if (AddToWalletIfInvolvingMe(tx, &block, fUpdate)) |
|
ret++; |
|
} |
|
pindex = pindex->pnext; |
|
} |
|
} |
|
return ret; |
|
} |
|
|
|
int CWallet::ScanForWalletTransaction(const uint256& hashTx) |
|
{ |
|
CTransaction tx; |
|
tx.ReadFromDisk(COutPoint(hashTx, 0)); |
|
if (AddToWalletIfInvolvingMe(tx, NULL, true, true)) |
|
return 1; |
|
return 0; |
|
} |
|
|
|
void CWallet::ReacceptWalletTransactions() |
|
{ |
|
CTxDB txdb("r"); |
|
bool fRepeat = true; |
|
while (fRepeat) CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
fRepeat = false; |
|
vector<CDiskTxPos> vMissingTx; |
|
BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet) |
|
{ |
|
CWalletTx& wtx = item.second; |
|
if (wtx.IsCoinBase() && wtx.IsSpent(0)) |
|
continue; |
|
|
|
CTxIndex txindex; |
|
bool fUpdated = false; |
|
if (txdb.ReadTxIndex(wtx.GetHash(), txindex)) |
|
{ |
|
// Update fSpent if a tx got spent somewhere else by a copy of wallet.dat |
|
if (txindex.vSpent.size() != wtx.vout.size()) |
|
{ |
|
printf("ERROR: ReacceptWalletTransactions() : txindex.vSpent.size() %d != wtx.vout.size() %d\n", txindex.vSpent.size(), wtx.vout.size()); |
|
continue; |
|
} |
|
for (int i = 0; i < txindex.vSpent.size(); i++) |
|
{ |
|
if (wtx.IsSpent(i)) |
|
continue; |
|
if (!txindex.vSpent[i].IsNull() && IsMine(wtx.vout[i])) |
|
{ |
|
wtx.MarkSpent(i); |
|
fUpdated = true; |
|
vMissingTx.push_back(txindex.vSpent[i]); |
|
} |
|
} |
|
if (fUpdated) |
|
{ |
|
printf("ReacceptWalletTransactions found spent coin %sbc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str()); |
|
wtx.MarkDirty(); |
|
wtx.WriteToDisk(); |
|
} |
|
} |
|
else |
|
{ |
|
// Reaccept any txes of ours that aren't already in a block |
|
if (!wtx.IsCoinBase()) |
|
wtx.AcceptWalletTransaction(txdb, false); |
|
} |
|
} |
|
if (!vMissingTx.empty()) |
|
{ |
|
// TODO: optimize this to scan just part of the block chain? |
|
if (ScanForWalletTransactions(pindexGenesisBlock)) |
|
fRepeat = true; // Found missing transactions: re-do Reaccept. |
|
} |
|
} |
|
} |
|
|
|
void CWalletTx::RelayWalletTransaction(CTxDB& txdb) |
|
{ |
|
BOOST_FOREACH(const CMerkleTx& tx, vtxPrev) |
|
{ |
|
if (!tx.IsCoinBase()) |
|
{ |
|
uint256 hash = tx.GetHash(); |
|
if (!txdb.ContainsTx(hash)) |
|
RelayMessage(CInv(MSG_TX, hash), (CTransaction)tx); |
|
} |
|
} |
|
if (!IsCoinBase()) |
|
{ |
|
uint256 hash = GetHash(); |
|
if (!txdb.ContainsTx(hash)) |
|
{ |
|
printf("Relaying wtx %s\n", hash.ToString().substr(0,10).c_str()); |
|
RelayMessage(CInv(MSG_TX, hash), (CTransaction)*this); |
|
} |
|
} |
|
} |
|
|
|
void CWalletTx::RelayWalletTransaction() |
|
{ |
|
CTxDB txdb("r"); |
|
RelayWalletTransaction(txdb); |
|
} |
|
|
|
void CWallet::ResendWalletTransactions() |
|
{ |
|
// Do this infrequently and randomly to avoid giving away |
|
// that these are our transactions. |
|
static int64 nNextTime; |
|
if (GetTime() < nNextTime) |
|
return; |
|
bool fFirst = (nNextTime == 0); |
|
nNextTime = GetTime() + GetRand(30 * 60); |
|
if (fFirst) |
|
return; |
|
|
|
// Only do it if there's been a new block since last time |
|
static int64 nLastTime; |
|
if (nTimeBestReceived < nLastTime) |
|
return; |
|
nLastTime = GetTime(); |
|
|
|
// Rebroadcast any of our txes that aren't in a block yet |
|
printf("ResendWalletTransactions()\n"); |
|
CTxDB txdb("r"); |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
// Sort them in chronological order |
|
multimap<unsigned int, CWalletTx*> mapSorted; |
|
BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet) |
|
{ |
|
CWalletTx& wtx = item.second; |
|
// Don't rebroadcast until it's had plenty of time that |
|
// it should have gotten in already by now. |
|
if (nTimeBestReceived - (int64)wtx.nTimeReceived > 5 * 60) |
|
mapSorted.insert(make_pair(wtx.nTimeReceived, &wtx)); |
|
} |
|
BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted) |
|
{ |
|
CWalletTx& wtx = *item.second; |
|
wtx.RelayWalletTransaction(txdb); |
|
} |
|
} |
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////// |
|
// |
|
// Actions |
|
// |
|
|
|
|
|
int64 CWallet::GetBalance() const |
|
{ |
|
int64 nTotal = 0; |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it) |
|
{ |
|
const CWalletTx* pcoin = &(*it).second; |
|
if (!pcoin->IsFinal() || !pcoin->IsConfirmed()) |
|
continue; |
|
nTotal += pcoin->GetAvailableCredit(); |
|
} |
|
} |
|
|
|
return nTotal; |
|
} |
|
|
|
int64 CWallet::GetUnconfirmedBalance() const |
|
{ |
|
int64 nTotal = 0; |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it) |
|
{ |
|
const CWalletTx* pcoin = &(*it).second; |
|
if (pcoin->IsFinal() && pcoin->IsConfirmed()) |
|
continue; |
|
nTotal += pcoin->GetAvailableCredit(); |
|
} |
|
} |
|
return nTotal; |
|
} |
|
|
|
bool CWallet::SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const |
|
{ |
|
setCoinsRet.clear(); |
|
nValueRet = 0; |
|
|
|
// List of values less than target |
|
pair<int64, pair<const CWalletTx*,unsigned int> > coinLowestLarger; |
|
coinLowestLarger.first = std::numeric_limits<int64>::max(); |
|
coinLowestLarger.second.first = NULL; |
|
vector<pair<int64, pair<const CWalletTx*,unsigned int> > > vValue; |
|
int64 nTotalLower = 0; |
|
|
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
vector<const CWalletTx*> vCoins; |
|
vCoins.reserve(mapWallet.size()); |
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it) |
|
vCoins.push_back(&(*it).second); |
|
random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt); |
|
|
|
BOOST_FOREACH(const CWalletTx* pcoin, vCoins) |
|
{ |
|
if (!pcoin->IsFinal() || !pcoin->IsConfirmed()) |
|
continue; |
|
|
|
if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0) |
|
continue; |
|
|
|
int nDepth = pcoin->GetDepthInMainChain(); |
|
if (nDepth < (pcoin->IsFromMe() ? nConfMine : nConfTheirs)) |
|
continue; |
|
|
|
for (int i = 0; i < pcoin->vout.size(); i++) |
|
{ |
|
if (pcoin->IsSpent(i) || !IsMine(pcoin->vout[i])) |
|
continue; |
|
|
|
int64 n = pcoin->vout[i].nValue; |
|
|
|
if (n <= 0) |
|
continue; |
|
|
|
pair<int64,pair<const CWalletTx*,unsigned int> > coin = make_pair(n,make_pair(pcoin,i)); |
|
|
|
if (n == nTargetValue) |
|
{ |
|
setCoinsRet.insert(coin.second); |
|
nValueRet += coin.first; |
|
return true; |
|
} |
|
else if (n < nTargetValue + CENT) |
|
{ |
|
vValue.push_back(coin); |
|
nTotalLower += n; |
|
} |
|
else if (n < coinLowestLarger.first) |
|
{ |
|
coinLowestLarger = coin; |
|
} |
|
} |
|
} |
|
} |
|
|
|
if (nTotalLower == nTargetValue || nTotalLower == nTargetValue + CENT) |
|
{ |
|
for (int i = 0; i < vValue.size(); ++i) |
|
{ |
|
setCoinsRet.insert(vValue[i].second); |
|
nValueRet += vValue[i].first; |
|
} |
|
return true; |
|
} |
|
|
|
if (nTotalLower < nTargetValue + (coinLowestLarger.second.first ? CENT : 0)) |
|
{ |
|
if (coinLowestLarger.second.first == NULL) |
|
return false; |
|
setCoinsRet.insert(coinLowestLarger.second); |
|
nValueRet += coinLowestLarger.first; |
|
return true; |
|
} |
|
|
|
if (nTotalLower >= nTargetValue + CENT) |
|
nTargetValue += CENT; |
|
|
|
// Solve subset sum by stochastic approximation |
|
sort(vValue.rbegin(), vValue.rend()); |
|
vector<char> vfIncluded; |
|
vector<char> vfBest(vValue.size(), true); |
|
int64 nBest = nTotalLower; |
|
|
|
for (int nRep = 0; nRep < 1000 && nBest != nTargetValue; nRep++) |
|
{ |
|
vfIncluded.assign(vValue.size(), false); |
|
int64 nTotal = 0; |
|
bool fReachedTarget = false; |
|
for (int nPass = 0; nPass < 2 && !fReachedTarget; nPass++) |
|
{ |
|
for (int i = 0; i < vValue.size(); i++) |
|
{ |
|
if (nPass == 0 ? rand() % 2 : !vfIncluded[i]) |
|
{ |
|
nTotal += vValue[i].first; |
|
vfIncluded[i] = true; |
|
if (nTotal >= nTargetValue) |
|
{ |
|
fReachedTarget = true; |
|
if (nTotal < nBest) |
|
{ |
|
nBest = nTotal; |
|
vfBest = vfIncluded; |
|
} |
|
nTotal -= vValue[i].first; |
|
vfIncluded[i] = false; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
// If the next larger is still closer, return it |
|
if (coinLowestLarger.second.first && coinLowestLarger.first - nTargetValue <= nBest - nTargetValue) |
|
{ |
|
setCoinsRet.insert(coinLowestLarger.second); |
|
nValueRet += coinLowestLarger.first; |
|
} |
|
else { |
|
for (int i = 0; i < vValue.size(); i++) |
|
if (vfBest[i]) |
|
{ |
|
setCoinsRet.insert(vValue[i].second); |
|
nValueRet += vValue[i].first; |
|
} |
|
|
|
//// debug print |
|
printf("SelectCoins() best subset: "); |
|
for (int i = 0; i < vValue.size(); i++) |
|
if (vfBest[i]) |
|
printf("%s ", FormatMoney(vValue[i].first).c_str()); |
|
printf("total %s\n", FormatMoney(nBest).c_str()); |
|
} |
|
|
|
return true; |
|
} |
|
|
|
bool CWallet::SelectCoins(int64 nTargetValue, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const |
|
{ |
|
return (SelectCoinsMinConf(nTargetValue, 1, 6, setCoinsRet, nValueRet) || |
|
SelectCoinsMinConf(nTargetValue, 1, 1, setCoinsRet, nValueRet) || |
|
SelectCoinsMinConf(nTargetValue, 0, 1, setCoinsRet, nValueRet)); |
|
} |
|
|
|
|
|
|
|
|
|
bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet) |
|
{ |
|
int64 nValue = 0; |
|
BOOST_FOREACH (const PAIRTYPE(CScript, int64)& s, vecSend) |
|
{ |
|
if (nValue < 0) |
|
return false; |
|
nValue += s.second; |
|
} |
|
if (vecSend.empty() || nValue < 0) |
|
return false; |
|
|
|
wtxNew.BindWallet(this); |
|
|
|
CRITICAL_BLOCK(cs_main) |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
// txdb must be opened before the mapWallet lock |
|
CTxDB txdb("r"); |
|
{ |
|
nFeeRet = nTransactionFee; |
|
loop |
|
{ |
|
wtxNew.vin.clear(); |
|
wtxNew.vout.clear(); |
|
wtxNew.fFromMe = true; |
|
|
|
int64 nTotalValue = nValue + nFeeRet; |
|
double dPriority = 0; |
|
// vouts to the payees |
|
BOOST_FOREACH (const PAIRTYPE(CScript, int64)& s, vecSend) |
|
wtxNew.vout.push_back(CTxOut(s.second, s.first)); |
|
|
|
// Choose coins to use |
|
set<pair<const CWalletTx*,unsigned int> > setCoins; |
|
int64 nValueIn = 0; |
|
if (!SelectCoins(nTotalValue, setCoins, nValueIn)) |
|
return false; |
|
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins) |
|
{ |
|
int64 nCredit = pcoin.first->vout[pcoin.second].nValue; |
|
dPriority += (double)nCredit * pcoin.first->GetDepthInMainChain(); |
|
} |
|
|
|
int64 nChange = nValueIn - nValue - nFeeRet; |
|
// if sub-cent change is required, the fee must be raised to at least MIN_TX_FEE |
|
// or until nChange becomes zero |
|
// NOTE: this depends on the exact behaviour of GetMinFee |
|
if (nFeeRet < MIN_TX_FEE && nChange > 0 && nChange < CENT) |
|
{ |
|
int64 nMoveToFee = min(nChange, MIN_TX_FEE - nFeeRet); |
|
nChange -= nMoveToFee; |
|
nFeeRet += nMoveToFee; |
|
} |
|
|
|
if (nChange > 0) |
|
{ |
|
// Note: We use a new key here to keep it from being obvious which side is the change. |
|
// The drawback is that by not reusing a previous key, the change may be lost if a |
|
// backup is restored, if the backup doesn't have the new private key for the change. |
|
// If we reused the old key, it would be possible to add code to look for and |
|
// rediscover unknown transactions that were written with keys of ours to recover |
|
// post-backup change. |
|
|
|
// Reserve a new key pair from key pool |
|
vector<unsigned char> vchPubKey = reservekey.GetReservedKey(); |
|
// assert(mapKeys.count(vchPubKey)); |
|
|
|
// Fill a vout to ourself |
|
// TODO: pass in scriptChange instead of reservekey so |
|
// change transaction isn't always pay-to-bitcoin-address |
|
CScript scriptChange; |
|
scriptChange.SetBitcoinAddress(vchPubKey); |
|
|
|
// Insert change txn at random position: |
|
vector<CTxOut>::iterator position = wtxNew.vout.begin()+GetRandInt(wtxNew.vout.size()); |
|
wtxNew.vout.insert(position, CTxOut(nChange, scriptChange)); |
|
} |
|
else |
|
reservekey.ReturnKey(); |
|
|
|
// Fill vin |
|
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins) |
|
wtxNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second)); |
|
|
|
// Sign |
|
int nIn = 0; |
|
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins) |
|
if (!SignSignature(*this, *coin.first, wtxNew, nIn++)) |
|
return false; |
|
|
|
// Limit size |
|
unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK); |
|
if (nBytes >= MAX_BLOCK_SIZE_GEN/5) |
|
return false; |
|
dPriority /= nBytes; |
|
|
|
// Check that enough fee is included |
|
int64 nPayFee = nTransactionFee * (1 + (int64)nBytes / 1000); |
|
bool fAllowFree = CTransaction::AllowFree(dPriority); |
|
int64 nMinFee = wtxNew.GetMinFee(1, fAllowFree, GMF_SEND); |
|
if (nFeeRet < max(nPayFee, nMinFee)) |
|
{ |
|
nFeeRet = max(nPayFee, nMinFee); |
|
continue; |
|
} |
|
|
|
// Fill vtxPrev by copying from previous transactions vtxPrev |
|
wtxNew.AddSupportingTransactions(txdb); |
|
wtxNew.fTimeReceivedIsTxTime = true; |
|
|
|
break; |
|
} |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
bool CWallet::CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet) |
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{ |
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vector< pair<CScript, int64> > vecSend; |
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vecSend.push_back(make_pair(scriptPubKey, nValue)); |
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return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet); |
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} |
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|
|
// Call after CreateTransaction unless you want to abort |
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bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey) |
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{ |
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CRITICAL_BLOCK(cs_main) |
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CRITICAL_BLOCK(cs_wallet) |
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{ |
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printf("CommitTransaction:\n%s", wtxNew.ToString().c_str()); |
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{ |
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// This is only to keep the database open to defeat the auto-flush for the |
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// duration of this scope. This is the only place where this optimization |
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// maybe makes sense; please don't do it anywhere else. |
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CWalletDB* pwalletdb = fFileBacked ? new CWalletDB(strWalletFile,"r") : NULL; |
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|
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// Take key pair from key pool so it won't be used again |
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reservekey.KeepKey(); |
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|
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// Add tx to wallet, because if it has change it's also ours, |
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// otherwise just for transaction history. |
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AddToWallet(wtxNew); |
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|
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// Mark old coins as spent |
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set<CWalletTx*> setCoins; |
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BOOST_FOREACH(const CTxIn& txin, wtxNew.vin) |
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{ |
|
CWalletTx &coin = mapWallet[txin.prevout.hash]; |
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coin.BindWallet(this); |
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coin.MarkSpent(txin.prevout.n); |
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coin.WriteToDisk(); |
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vWalletUpdated.push_back(coin.GetHash()); |
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} |
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|
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if (fFileBacked) |
|
delete pwalletdb; |
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} |
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|
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// Track how many getdata requests our transaction gets |
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mapRequestCount[wtxNew.GetHash()] = 0; |
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|
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// Broadcast |
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if (!wtxNew.AcceptToMemoryPool()) |
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{ |
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// This must not fail. The transaction has already been signed and recorded. |
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printf("CommitTransaction() : Error: Transaction not valid"); |
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return false; |
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} |
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wtxNew.RelayWalletTransaction(); |
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} |
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MainFrameRepaint(); |
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return true; |
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} |
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|
|
|
|
|
|
|
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string CWallet::SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee) |
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{ |
|
CReserveKey reservekey(this); |
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int64 nFeeRequired; |
|
|
|
if (IsLocked()) |
|
{ |
|
string strError = _("Error: Wallet locked, unable to create transaction "); |
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printf("SendMoney() : %s", strError.c_str()); |
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return strError; |
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} |
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if (!CreateTransaction(scriptPubKey, nValue, wtxNew, reservekey, nFeeRequired)) |
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{ |
|
string strError; |
|
if (nValue + nFeeRequired > GetBalance()) |
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strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds "), FormatMoney(nFeeRequired).c_str()); |
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else |
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strError = _("Error: Transaction creation failed "); |
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printf("SendMoney() : %s", strError.c_str()); |
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return strError; |
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} |
|
|
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if (fAskFee && !ThreadSafeAskFee(nFeeRequired, _("Sending..."), NULL)) |
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return "ABORTED"; |
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|
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if (!CommitTransaction(wtxNew, reservekey)) |
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return _("Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here."); |
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|
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MainFrameRepaint(); |
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return ""; |
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} |
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|
|
|
|
|
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string CWallet::SendMoneyToBitcoinAddress(const CBitcoinAddress& address, int64 nValue, CWalletTx& wtxNew, bool fAskFee) |
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{ |
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// Check amount |
|
if (nValue <= 0) |
|
return _("Invalid amount"); |
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if (nValue + nTransactionFee > GetBalance()) |
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return _("Insufficient funds"); |
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|
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// Parse bitcoin address |
|
CScript scriptPubKey; |
|
scriptPubKey.SetBitcoinAddress(address); |
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|
|
return SendMoney(scriptPubKey, nValue, wtxNew, fAskFee); |
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} |
|
|
|
|
|
|
|
|
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int CWallet::LoadWallet(bool& fFirstRunRet) |
|
{ |
|
if (!fFileBacked) |
|
return false; |
|
fFirstRunRet = false; |
|
int nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this); |
|
if (nLoadWalletRet == DB_NEED_REWRITE) |
|
{ |
|
if (CDB::Rewrite(strWalletFile, "\x04pool")) |
|
{ |
|
setKeyPool.clear(); |
|
// Note: can't top-up keypool here, because wallet is locked. |
|
// User will be prompted to unlock wallet the next operation |
|
// the requires a new key. |
|
} |
|
nLoadWalletRet = DB_NEED_REWRITE; |
|
} |
|
|
|
if (nLoadWalletRet != DB_LOAD_OK) |
|
return nLoadWalletRet; |
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fFirstRunRet = vchDefaultKey.empty(); |
|
|
|
if (!HaveKey(Hash160(vchDefaultKey))) |
|
{ |
|
// Create new keyUser and set as default key |
|
RandAddSeedPerfmon(); |
|
|
|
std::vector<unsigned char> newDefaultKey; |
|
if (!GetKeyFromPool(newDefaultKey, false)) |
|
return DB_LOAD_FAIL; |
|
SetDefaultKey(newDefaultKey); |
|
if (!SetAddressBookName(CBitcoinAddress(vchDefaultKey), "")) |
|
return DB_LOAD_FAIL; |
|
} |
|
|
|
CreateThread(ThreadFlushWalletDB, &strWalletFile); |
|
return DB_LOAD_OK; |
|
} |
|
|
|
|
|
bool CWallet::SetAddressBookName(const CBitcoinAddress& address, const string& strName) |
|
{ |
|
mapAddressBook[address] = strName; |
|
if (!fFileBacked) |
|
return false; |
|
return CWalletDB(strWalletFile).WriteName(address.ToString(), strName); |
|
} |
|
|
|
bool CWallet::DelAddressBookName(const CBitcoinAddress& address) |
|
{ |
|
mapAddressBook.erase(address); |
|
if (!fFileBacked) |
|
return false; |
|
return CWalletDB(strWalletFile).EraseName(address.ToString()); |
|
} |
|
|
|
|
|
void CWallet::PrintWallet(const CBlock& block) |
|
{ |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
if (mapWallet.count(block.vtx[0].GetHash())) |
|
{ |
|
CWalletTx& wtx = mapWallet[block.vtx[0].GetHash()]; |
|
printf(" mine: %d %d %d", wtx.GetDepthInMainChain(), wtx.GetBlocksToMaturity(), wtx.GetCredit()); |
|
} |
|
} |
|
printf("\n"); |
|
} |
|
|
|
bool CWallet::GetTransaction(const uint256 &hashTx, CWalletTx& wtx) |
|
{ |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
map<uint256, CWalletTx>::iterator mi = mapWallet.find(hashTx); |
|
if (mi != mapWallet.end()) |
|
{ |
|
wtx = (*mi).second; |
|
return true; |
|
} |
|
} |
|
return false; |
|
} |
|
|
|
bool CWallet::SetDefaultKey(const std::vector<unsigned char> &vchPubKey) |
|
{ |
|
if (fFileBacked) |
|
{ |
|
if (!CWalletDB(strWalletFile).WriteDefaultKey(vchPubKey)) |
|
return false; |
|
} |
|
vchDefaultKey = vchPubKey; |
|
return true; |
|
} |
|
|
|
bool GetWalletFile(CWallet* pwallet, string &strWalletFileOut) |
|
{ |
|
if (!pwallet->fFileBacked) |
|
return false; |
|
strWalletFileOut = pwallet->strWalletFile; |
|
return true; |
|
} |
|
|
|
// |
|
// Mark old keypool keys as used, |
|
// and generate all new keys |
|
// |
|
bool CWallet::NewKeyPool() |
|
{ |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
CWalletDB walletdb(strWalletFile); |
|
BOOST_FOREACH(int64 nIndex, setKeyPool) |
|
walletdb.ErasePool(nIndex); |
|
setKeyPool.clear(); |
|
|
|
if (IsLocked()) |
|
return false; |
|
|
|
int64 nKeys = max(GetArg("-keypool", 100), (int64)0); |
|
for (int i = 0; i < nKeys; i++) |
|
{ |
|
int64 nIndex = i+1; |
|
walletdb.WritePool(nIndex, CKeyPool(GenerateNewKey())); |
|
setKeyPool.insert(nIndex); |
|
} |
|
printf("CWallet::NewKeyPool wrote %"PRI64d" new keys\n", nKeys); |
|
} |
|
return true; |
|
} |
|
|
|
bool CWallet::TopUpKeyPool() |
|
{ |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
if (IsLocked()) |
|
return false; |
|
|
|
CWalletDB walletdb(strWalletFile); |
|
|
|
// Top up key pool |
|
int64 nTargetSize = max(GetArg("-keypool", 100), (int64)0); |
|
while (setKeyPool.size() < nTargetSize+1) |
|
{ |
|
int64 nEnd = 1; |
|
if (!setKeyPool.empty()) |
|
nEnd = *(--setKeyPool.end()) + 1; |
|
if (!walletdb.WritePool(nEnd, CKeyPool(GenerateNewKey()))) |
|
throw runtime_error("TopUpKeyPool() : writing generated key failed"); |
|
setKeyPool.insert(nEnd); |
|
printf("keypool added key %"PRI64d", size=%d\n", nEnd, setKeyPool.size()); |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
void CWallet::ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool) |
|
{ |
|
nIndex = -1; |
|
keypool.vchPubKey.clear(); |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
if (!IsLocked()) |
|
TopUpKeyPool(); |
|
|
|
// Get the oldest key |
|
if(setKeyPool.empty()) |
|
return; |
|
|
|
CWalletDB walletdb(strWalletFile); |
|
|
|
nIndex = *(setKeyPool.begin()); |
|
setKeyPool.erase(setKeyPool.begin()); |
|
if (!walletdb.ReadPool(nIndex, keypool)) |
|
throw runtime_error("ReserveKeyFromKeyPool() : read failed"); |
|
if (!HaveKey(Hash160(keypool.vchPubKey))) |
|
throw runtime_error("ReserveKeyFromKeyPool() : unknown key in key pool"); |
|
assert(!keypool.vchPubKey.empty()); |
|
printf("keypool reserve %"PRI64d"\n", nIndex); |
|
} |
|
} |
|
|
|
int64 CWallet::AddReserveKey(const CKeyPool& keypool) |
|
{ |
|
CRITICAL_BLOCK(cs_main) |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
CWalletDB walletdb(strWalletFile); |
|
|
|
int64 nIndex = 1 + *(--setKeyPool.end()); |
|
if (!walletdb.WritePool(nIndex, keypool)) |
|
throw runtime_error("AddReserveKey() : writing added key failed"); |
|
setKeyPool.insert(nIndex); |
|
return nIndex; |
|
} |
|
return -1; |
|
} |
|
|
|
void CWallet::KeepKey(int64 nIndex) |
|
{ |
|
// Remove from key pool |
|
if (fFileBacked) |
|
{ |
|
CWalletDB walletdb(strWalletFile); |
|
walletdb.ErasePool(nIndex); |
|
} |
|
printf("keypool keep %"PRI64d"\n", nIndex); |
|
} |
|
|
|
void CWallet::ReturnKey(int64 nIndex) |
|
{ |
|
// Return to key pool |
|
CRITICAL_BLOCK(cs_wallet) |
|
setKeyPool.insert(nIndex); |
|
printf("keypool return %"PRI64d"\n", nIndex); |
|
} |
|
|
|
bool CWallet::GetKeyFromPool(vector<unsigned char>& result, bool fAllowReuse) |
|
{ |
|
int64 nIndex = 0; |
|
CKeyPool keypool; |
|
CRITICAL_BLOCK(cs_wallet) |
|
{ |
|
ReserveKeyFromKeyPool(nIndex, keypool); |
|
if (nIndex == -1) |
|
{ |
|
if (fAllowReuse && !vchDefaultKey.empty()) |
|
{ |
|
result = vchDefaultKey; |
|
return true; |
|
} |
|
if (IsLocked()) return false; |
|
result = GenerateNewKey(); |
|
return true; |
|
} |
|
KeepKey(nIndex); |
|
result = keypool.vchPubKey; |
|
} |
|
return true; |
|
} |
|
|
|
int64 CWallet::GetOldestKeyPoolTime() |
|
{ |
|
int64 nIndex = 0; |
|
CKeyPool keypool; |
|
ReserveKeyFromKeyPool(nIndex, keypool); |
|
if (nIndex == -1) |
|
return GetTime(); |
|
ReturnKey(nIndex); |
|
return keypool.nTime; |
|
} |
|
|
|
vector<unsigned char> CReserveKey::GetReservedKey() |
|
{ |
|
if (nIndex == -1) |
|
{ |
|
CKeyPool keypool; |
|
pwallet->ReserveKeyFromKeyPool(nIndex, keypool); |
|
if (nIndex != -1) |
|
vchPubKey = keypool.vchPubKey; |
|
else |
|
{ |
|
printf("CReserveKey::GetReservedKey(): Warning: using default key instead of a new key, top up your keypool."); |
|
vchPubKey = pwallet->vchDefaultKey; |
|
} |
|
} |
|
assert(!vchPubKey.empty()); |
|
return vchPubKey; |
|
} |
|
|
|
void CReserveKey::KeepKey() |
|
{ |
|
if (nIndex != -1) |
|
pwallet->KeepKey(nIndex); |
|
nIndex = -1; |
|
vchPubKey.clear(); |
|
} |
|
|
|
void CReserveKey::ReturnKey() |
|
{ |
|
if (nIndex != -1) |
|
pwallet->ReturnKey(nIndex); |
|
nIndex = -1; |
|
vchPubKey.clear(); |
|
} |
|
|
|
void CWallet::GetAllReserveAddresses(set<CBitcoinAddress>& setAddress) |
|
{ |
|
setAddress.clear(); |
|
|
|
CWalletDB walletdb(strWalletFile); |
|
|
|
CRITICAL_BLOCK(cs_main) |
|
CRITICAL_BLOCK(cs_wallet) |
|
BOOST_FOREACH(const int64& id, setKeyPool) |
|
{ |
|
CKeyPool keypool; |
|
if (!walletdb.ReadPool(id, keypool)) |
|
throw runtime_error("GetAllReserveKeyHashes() : read failed"); |
|
CBitcoinAddress address(keypool.vchPubKey); |
|
assert(!keypool.vchPubKey.empty()); |
|
if (!HaveKey(address)) |
|
throw runtime_error("GetAllReserveKeyHashes() : unknown key in key pool"); |
|
setAddress.insert(address); |
|
} |
|
}
|
|
|