3234 lines
111 KiB
C++
3234 lines
111 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2015 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "wallet/wallet.h"
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#include "base58.h"
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#include "checkpoints.h"
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#include "chain.h"
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#include "coincontrol.h"
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#include "consensus/consensus.h"
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#include "consensus/validation.h"
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#include "key.h"
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#include "keystore.h"
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#include "main.h"
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#include "net.h"
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#include "policy/policy.h"
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#include "primitives/block.h"
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#include "primitives/transaction.h"
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#include "script/script.h"
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#include "script/sign.h"
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#include "timedata.h"
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#include "txmempool.h"
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#include "util.h"
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#include "utilmoneystr.h"
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#include <assert.h>
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#include <boost/algorithm/string/replace.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/thread.hpp>
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using namespace std;
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/** Transaction fee set by the user */
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CFeeRate payTxFee(DEFAULT_TRANSACTION_FEE);
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unsigned int nTxConfirmTarget = DEFAULT_TX_CONFIRM_TARGET;
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bool bSpendZeroConfChange = DEFAULT_SPEND_ZEROCONF_CHANGE;
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bool fSendFreeTransactions = DEFAULT_SEND_FREE_TRANSACTIONS;
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const char * DEFAULT_WALLET_DAT = "wallet.dat";
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/**
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* Fees smaller than this (in satoshi) are considered zero fee (for transaction creation)
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* Override with -mintxfee
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*/
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CFeeRate CWallet::minTxFee = CFeeRate(DEFAULT_TRANSACTION_MINFEE);
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/**
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* If fee estimation does not have enough data to provide estimates, use this fee instead.
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* Has no effect if not using fee estimation
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* Override with -fallbackfee
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*/
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CFeeRate CWallet::fallbackFee = CFeeRate(DEFAULT_FALLBACK_FEE);
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const uint256 CMerkleTx::ABANDON_HASH(uint256S("0000000000000000000000000000000000000000000000000000000000000001"));
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/** @defgroup mapWallet
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*
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* @{
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*/
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struct CompareValueOnly
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{
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bool operator()(const pair<CAmount, pair<const CWalletTx*, unsigned int> >& t1,
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const pair<CAmount, pair<const CWalletTx*, unsigned int> >& t2) const
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{
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return t1.first < t2.first;
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}
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};
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std::string COutput::ToString() const
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{
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return strprintf("COutput(%s, %d, %d) [%s]", tx->GetHash().ToString(), i, nDepth, FormatMoney(tx->vout[i].nValue));
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}
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const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
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{
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LOCK(cs_wallet);
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std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(hash);
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if (it == mapWallet.end())
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return NULL;
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return &(it->second);
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}
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CPubKey CWallet::GenerateNewKey()
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{
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AssertLockHeld(cs_wallet); // mapKeyMetadata
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bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
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CKey secret;
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secret.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(FEATURE_COMPRPUBKEY);
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CPubKey pubkey = secret.GetPubKey();
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assert(secret.VerifyPubKey(pubkey));
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// Create new metadata
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int64_t nCreationTime = GetTime();
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mapKeyMetadata[pubkey.GetID()] = CKeyMetadata(nCreationTime);
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if (!nTimeFirstKey || nCreationTime < nTimeFirstKey)
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nTimeFirstKey = nCreationTime;
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if (!AddKeyPubKey(secret, pubkey))
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throw std::runtime_error("CWallet::GenerateNewKey(): AddKey failed");
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return pubkey;
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}
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bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
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{
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AssertLockHeld(cs_wallet); // mapKeyMetadata
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if (!CCryptoKeyStore::AddKeyPubKey(secret, pubkey))
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return false;
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// check if we need to remove from watch-only
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CScript script;
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script = GetScriptForDestination(pubkey.GetID());
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if (HaveWatchOnly(script))
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RemoveWatchOnly(script);
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script = GetScriptForRawPubKey(pubkey);
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if (HaveWatchOnly(script))
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RemoveWatchOnly(script);
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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(pubkey,
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secret.GetPrivKey(),
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mapKeyMetadata[pubkey.GetID()]);
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}
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return true;
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}
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bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
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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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{
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LOCK(cs_wallet);
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if (pwalletdbEncryption)
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return pwalletdbEncryption->WriteCryptedKey(vchPubKey,
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vchCryptedSecret,
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mapKeyMetadata[vchPubKey.GetID()]);
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else
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return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey,
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vchCryptedSecret,
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mapKeyMetadata[vchPubKey.GetID()]);
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}
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return false;
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}
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bool CWallet::LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &meta)
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{
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AssertLockHeld(cs_wallet); // mapKeyMetadata
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if (meta.nCreateTime && (!nTimeFirstKey || meta.nCreateTime < nTimeFirstKey))
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nTimeFirstKey = meta.nCreateTime;
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mapKeyMetadata[pubkey.GetID()] = meta;
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return true;
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}
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bool CWallet::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
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{
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return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret);
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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::LoadCScript(const CScript& redeemScript)
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{
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/* A sanity check was added in pull #3843 to avoid adding redeemScripts
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* that never can be redeemed. However, old wallets may still contain
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* these. Do not add them to the wallet and warn. */
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if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
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{
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std::string strAddr = CBitcoinAddress(CScriptID(redeemScript)).ToString();
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LogPrintf("%s: Warning: This wallet contains a redeemScript of size %i which exceeds maximum size %i thus can never be redeemed. Do not use address %s.\n",
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__func__, redeemScript.size(), MAX_SCRIPT_ELEMENT_SIZE, strAddr);
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return true;
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}
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return CCryptoKeyStore::AddCScript(redeemScript);
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}
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bool CWallet::AddWatchOnly(const CScript &dest)
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{
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if (!CCryptoKeyStore::AddWatchOnly(dest))
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return false;
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nTimeFirstKey = 1; // No birthday information for watch-only keys.
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NotifyWatchonlyChanged(true);
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if (!fFileBacked)
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return true;
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return CWalletDB(strWalletFile).WriteWatchOnly(dest);
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}
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bool CWallet::RemoveWatchOnly(const CScript &dest)
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{
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AssertLockHeld(cs_wallet);
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if (!CCryptoKeyStore::RemoveWatchOnly(dest))
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return false;
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if (!HaveWatchOnly())
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NotifyWatchonlyChanged(false);
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if (fFileBacked)
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if (!CWalletDB(strWalletFile).EraseWatchOnly(dest))
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return false;
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return true;
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}
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bool CWallet::LoadWatchOnly(const CScript &dest)
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{
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return CCryptoKeyStore::AddWatchOnly(dest);
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}
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bool CWallet::Unlock(const SecureString& strWalletPassphrase)
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{
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CCrypter crypter;
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CKeyingMaterial vMasterKey;
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{
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LOCK(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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continue; // try another master key
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if (CCryptoKeyStore::Unlock(vMasterKey))
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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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bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
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{
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bool fWasLocked = IsLocked();
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{
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LOCK(cs_wallet);
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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_t 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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LogPrintf("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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void CWallet::SetBestChain(const CBlockLocator& loc)
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{
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CWalletDB walletdb(strWalletFile);
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walletdb.WriteBestBlock(loc);
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}
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bool CWallet::SetMinVersion(enum WalletFeature nVersion, CWalletDB* pwalletdbIn, bool fExplicit)
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{
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LOCK(cs_wallet); // nWalletVersion
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if (nWalletVersion >= nVersion)
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return true;
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// when doing an explicit upgrade, if we pass the max version permitted, upgrade all the way
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if (fExplicit && nVersion > nWalletMaxVersion)
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nVersion = FEATURE_LATEST;
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nWalletVersion = nVersion;
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if (nVersion > nWalletMaxVersion)
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nWalletMaxVersion = 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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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::SetMaxVersion(int nVersion)
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{
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LOCK(cs_wallet); // nWalletVersion, nWalletMaxVersion
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// cannot downgrade below current version
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if (nWalletVersion > nVersion)
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return false;
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nWalletMaxVersion = nVersion;
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return true;
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}
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set<uint256> CWallet::GetConflicts(const uint256& txid) const
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{
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set<uint256> result;
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AssertLockHeld(cs_wallet);
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std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(txid);
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if (it == mapWallet.end())
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return result;
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const CWalletTx& wtx = it->second;
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std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
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BOOST_FOREACH(const CTxIn& txin, wtx.vin)
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{
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if (mapTxSpends.count(txin.prevout) <= 1)
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continue; // No conflict if zero or one spends
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range = mapTxSpends.equal_range(txin.prevout);
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for (TxSpends::const_iterator it = range.first; it != range.second; ++it)
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result.insert(it->second);
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}
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return result;
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}
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void CWallet::Flush(bool shutdown)
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{
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bitdb.Flush(shutdown);
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}
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bool CWallet::Verify(const string& walletFile, string& warningString, string& errorString)
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{
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if (!bitdb.Open(GetDataDir()))
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{
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// try moving the database env out of the way
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boost::filesystem::path pathDatabase = GetDataDir() / "database";
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boost::filesystem::path pathDatabaseBak = GetDataDir() / strprintf("database.%d.bak", GetTime());
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try {
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boost::filesystem::rename(pathDatabase, pathDatabaseBak);
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LogPrintf("Moved old %s to %s. Retrying.\n", pathDatabase.string(), pathDatabaseBak.string());
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} catch (const boost::filesystem::filesystem_error&) {
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// failure is ok (well, not really, but it's not worse than what we started with)
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}
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// try again
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if (!bitdb.Open(GetDataDir())) {
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// if it still fails, it probably means we can't even create the database env
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string msg = strprintf(_("Error initializing wallet database environment %s!"), GetDataDir());
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errorString += msg;
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return true;
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}
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}
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if (GetBoolArg("-salvagewallet", false))
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{
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// Recover readable keypairs:
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if (!CWalletDB::Recover(bitdb, walletFile, true))
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return false;
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}
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if (boost::filesystem::exists(GetDataDir() / walletFile))
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{
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CDBEnv::VerifyResult r = bitdb.Verify(walletFile, CWalletDB::Recover);
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if (r == CDBEnv::RECOVER_OK)
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{
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warningString += strprintf(_("Warning: Wallet file corrupt, data salvaged!"
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" Original %s saved as %s in %s; if"
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" your balance or transactions are incorrect you should"
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" restore from a backup."),
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walletFile, "wallet.{timestamp}.bak", GetDataDir());
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}
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if (r == CDBEnv::RECOVER_FAIL)
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errorString += strprintf(_("%s corrupt, salvage failed"), walletFile);
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}
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return true;
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}
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void CWallet::SyncMetaData(pair<TxSpends::iterator, TxSpends::iterator> range)
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{
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// We want all the wallet transactions in range to have the same metadata as
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// the oldest (smallest nOrderPos).
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// So: find smallest nOrderPos:
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int nMinOrderPos = std::numeric_limits<int>::max();
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const CWalletTx* copyFrom = NULL;
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for (TxSpends::iterator it = range.first; it != range.second; ++it)
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{
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const uint256& hash = it->second;
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int n = mapWallet[hash].nOrderPos;
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if (n < nMinOrderPos)
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{
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nMinOrderPos = n;
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copyFrom = &mapWallet[hash];
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}
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}
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// Now copy data from copyFrom to rest:
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for (TxSpends::iterator it = range.first; it != range.second; ++it)
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{
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const uint256& hash = it->second;
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CWalletTx* copyTo = &mapWallet[hash];
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if (copyFrom == copyTo) continue;
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if (!copyFrom->IsEquivalentTo(*copyTo)) continue;
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copyTo->mapValue = copyFrom->mapValue;
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copyTo->vOrderForm = copyFrom->vOrderForm;
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// fTimeReceivedIsTxTime not copied on purpose
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// nTimeReceived not copied on purpose
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copyTo->nTimeSmart = copyFrom->nTimeSmart;
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copyTo->fFromMe = copyFrom->fFromMe;
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copyTo->strFromAccount = copyFrom->strFromAccount;
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// nOrderPos not copied on purpose
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// cached members not copied on purpose
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}
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}
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/**
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* Outpoint is spent if any non-conflicted transaction
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* spends it:
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*/
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bool CWallet::IsSpent(const uint256& hash, unsigned int n) const
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{
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const COutPoint outpoint(hash, n);
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pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
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range = mapTxSpends.equal_range(outpoint);
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for (TxSpends::const_iterator it = range.first; it != range.second; ++it)
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{
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const uint256& wtxid = it->second;
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std::map<uint256, CWalletTx>::const_iterator mit = mapWallet.find(wtxid);
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if (mit != mapWallet.end()) {
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int depth = mit->second.GetDepthInMainChain();
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if (depth > 0 || (depth == 0 && !mit->second.isAbandoned()))
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return true; // Spent
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}
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}
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return false;
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}
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void CWallet::AddToSpends(const COutPoint& outpoint, const uint256& wtxid)
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{
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mapTxSpends.insert(make_pair(outpoint, wtxid));
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pair<TxSpends::iterator, TxSpends::iterator> range;
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range = mapTxSpends.equal_range(outpoint);
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SyncMetaData(range);
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}
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void CWallet::AddToSpends(const uint256& wtxid)
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{
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assert(mapWallet.count(wtxid));
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CWalletTx& thisTx = mapWallet[wtxid];
|
|
if (thisTx.IsCoinBase()) // Coinbases don't spend anything!
|
|
return;
|
|
|
|
BOOST_FOREACH(const CTxIn& txin, thisTx.vin)
|
|
AddToSpends(txin.prevout, wtxid);
|
|
}
|
|
|
|
bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
|
|
{
|
|
if (IsCrypted())
|
|
return false;
|
|
|
|
CKeyingMaterial vMasterKey;
|
|
RandAddSeedPerfmon();
|
|
|
|
vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
|
|
GetRandBytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
|
|
|
|
CMasterKey kMasterKey;
|
|
RandAddSeedPerfmon();
|
|
|
|
kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
|
|
GetRandBytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE);
|
|
|
|
CCrypter crypter;
|
|
int64_t nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod);
|
|
kMasterKey.nDeriveIterations = 2500000 / ((double)(GetTimeMillis() - nStartTime));
|
|
|
|
nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod);
|
|
kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2;
|
|
|
|
if (kMasterKey.nDeriveIterations < 25000)
|
|
kMasterKey.nDeriveIterations = 25000;
|
|
|
|
LogPrintf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations);
|
|
|
|
if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod))
|
|
return false;
|
|
if (!crypter.Encrypt(vMasterKey, kMasterKey.vchCryptedKey))
|
|
return false;
|
|
|
|
{
|
|
LOCK(cs_wallet);
|
|
mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
|
|
if (fFileBacked)
|
|
{
|
|
assert(!pwalletdbEncryption);
|
|
pwalletdbEncryption = new CWalletDB(strWalletFile);
|
|
if (!pwalletdbEncryption->TxnBegin()) {
|
|
delete pwalletdbEncryption;
|
|
pwalletdbEncryption = NULL;
|
|
return false;
|
|
}
|
|
pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
|
|
}
|
|
|
|
if (!EncryptKeys(vMasterKey))
|
|
{
|
|
if (fFileBacked) {
|
|
pwalletdbEncryption->TxnAbort();
|
|
delete pwalletdbEncryption;
|
|
}
|
|
// We now probably have half of our keys encrypted in memory, and half not...
|
|
// die and let the user reload the unencrypted wallet.
|
|
assert(false);
|
|
}
|
|
|
|
// Encryption was introduced in version 0.4.0
|
|
SetMinVersion(FEATURE_WALLETCRYPT, pwalletdbEncryption, true);
|
|
|
|
if (fFileBacked)
|
|
{
|
|
if (!pwalletdbEncryption->TxnCommit()) {
|
|
delete pwalletdbEncryption;
|
|
// We now have keys encrypted in memory, but not on disk...
|
|
// die to avoid confusion and let the user reload the unencrypted wallet.
|
|
assert(false);
|
|
}
|
|
|
|
delete pwalletdbEncryption;
|
|
pwalletdbEncryption = NULL;
|
|
}
|
|
|
|
Lock();
|
|
Unlock(strWalletPassphrase);
|
|
NewKeyPool();
|
|
Lock();
|
|
|
|
// Need to completely rewrite the wallet file; if we don't, bdb might keep
|
|
// bits of the unencrypted private key in slack space in the database file.
|
|
CDB::Rewrite(strWalletFile);
|
|
|
|
}
|
|
NotifyStatusChanged(this);
|
|
|
|
return true;
|
|
}
|
|
|
|
int64_t CWallet::IncOrderPosNext(CWalletDB *pwalletdb)
|
|
{
|
|
AssertLockHeld(cs_wallet); // nOrderPosNext
|
|
int64_t nRet = nOrderPosNext++;
|
|
if (pwalletdb) {
|
|
pwalletdb->WriteOrderPosNext(nOrderPosNext);
|
|
} else {
|
|
CWalletDB(strWalletFile).WriteOrderPosNext(nOrderPosNext);
|
|
}
|
|
return nRet;
|
|
}
|
|
|
|
void CWallet::MarkDirty()
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
|
|
item.second.MarkDirty();
|
|
}
|
|
}
|
|
|
|
bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFromLoadWallet, CWalletDB* pwalletdb)
|
|
{
|
|
uint256 hash = wtxIn.GetHash();
|
|
|
|
if (fFromLoadWallet)
|
|
{
|
|
mapWallet[hash] = wtxIn;
|
|
CWalletTx& wtx = mapWallet[hash];
|
|
wtx.BindWallet(this);
|
|
wtxOrdered.insert(make_pair(wtx.nOrderPos, TxPair(&wtx, (CAccountingEntry*)0)));
|
|
AddToSpends(hash);
|
|
BOOST_FOREACH(const CTxIn& txin, wtx.vin) {
|
|
if (mapWallet.count(txin.prevout.hash)) {
|
|
CWalletTx& prevtx = mapWallet[txin.prevout.hash];
|
|
if (prevtx.nIndex == -1 && !prevtx.hashUnset()) {
|
|
MarkConflicted(prevtx.hashBlock, wtx.GetHash());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOCK(cs_wallet);
|
|
// Inserts only if not already there, returns tx inserted or tx found
|
|
pair<map<uint256, CWalletTx>::iterator, bool> ret = mapWallet.insert(make_pair(hash, wtxIn));
|
|
CWalletTx& wtx = (*ret.first).second;
|
|
wtx.BindWallet(this);
|
|
bool fInsertedNew = ret.second;
|
|
if (fInsertedNew)
|
|
{
|
|
wtx.nTimeReceived = GetAdjustedTime();
|
|
wtx.nOrderPos = IncOrderPosNext(pwalletdb);
|
|
wtxOrdered.insert(make_pair(wtx.nOrderPos, TxPair(&wtx, (CAccountingEntry*)0)));
|
|
|
|
wtx.nTimeSmart = wtx.nTimeReceived;
|
|
if (!wtxIn.hashUnset())
|
|
{
|
|
if (mapBlockIndex.count(wtxIn.hashBlock))
|
|
{
|
|
int64_t latestNow = wtx.nTimeReceived;
|
|
int64_t latestEntry = 0;
|
|
{
|
|
// Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
|
|
int64_t latestTolerated = latestNow + 300;
|
|
const TxItems & txOrdered = wtxOrdered;
|
|
for (TxItems::const_reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it)
|
|
{
|
|
CWalletTx *const pwtx = (*it).second.first;
|
|
if (pwtx == &wtx)
|
|
continue;
|
|
CAccountingEntry *const pacentry = (*it).second.second;
|
|
int64_t nSmartTime;
|
|
if (pwtx)
|
|
{
|
|
nSmartTime = pwtx->nTimeSmart;
|
|
if (!nSmartTime)
|
|
nSmartTime = pwtx->nTimeReceived;
|
|
}
|
|
else
|
|
nSmartTime = pacentry->nTime;
|
|
if (nSmartTime <= latestTolerated)
|
|
{
|
|
latestEntry = nSmartTime;
|
|
if (nSmartTime > latestNow)
|
|
latestNow = nSmartTime;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int64_t blocktime = mapBlockIndex[wtxIn.hashBlock]->GetBlockTime();
|
|
wtx.nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
|
|
}
|
|
else
|
|
LogPrintf("AddToWallet(): found %s in block %s not in index\n",
|
|
wtxIn.GetHash().ToString(),
|
|
wtxIn.hashBlock.ToString());
|
|
}
|
|
AddToSpends(hash);
|
|
}
|
|
|
|
bool fUpdated = false;
|
|
if (!fInsertedNew)
|
|
{
|
|
// Merge
|
|
if (!wtxIn.hashUnset() && wtxIn.hashBlock != wtx.hashBlock)
|
|
{
|
|
wtx.hashBlock = wtxIn.hashBlock;
|
|
fUpdated = true;
|
|
}
|
|
// If no longer abandoned, update
|
|
if (wtxIn.hashBlock.IsNull() && wtx.isAbandoned())
|
|
{
|
|
wtx.hashBlock = wtxIn.hashBlock;
|
|
fUpdated = true;
|
|
}
|
|
if (wtxIn.nIndex != -1 && (wtxIn.nIndex != wtx.nIndex))
|
|
{
|
|
wtx.nIndex = wtxIn.nIndex;
|
|
fUpdated = true;
|
|
}
|
|
if (wtxIn.fFromMe && wtxIn.fFromMe != wtx.fFromMe)
|
|
{
|
|
wtx.fFromMe = wtxIn.fFromMe;
|
|
fUpdated = true;
|
|
}
|
|
}
|
|
|
|
//// debug print
|
|
LogPrintf("AddToWallet %s %s%s\n", wtxIn.GetHash().ToString(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""));
|
|
|
|
// Write to disk
|
|
if (fInsertedNew || fUpdated)
|
|
if (!wtx.WriteToDisk(pwalletdb))
|
|
return false;
|
|
|
|
// Break debit/credit balance caches:
|
|
wtx.MarkDirty();
|
|
|
|
// Notify UI of new or updated transaction
|
|
NotifyTransactionChanged(this, hash, fInsertedNew ? CT_NEW : CT_UPDATED);
|
|
|
|
// notify an external script when a wallet transaction comes in or is updated
|
|
std::string strCmd = GetArg("-walletnotify", "");
|
|
|
|
if ( !strCmd.empty())
|
|
{
|
|
boost::replace_all(strCmd, "%s", wtxIn.GetHash().GetHex());
|
|
boost::thread t(runCommand, strCmd); // thread runs free
|
|
}
|
|
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Add a transaction to the wallet, or update it.
|
|
* pblock is optional, but should be provided if the transaction is known to be in a block.
|
|
* If fUpdate is true, existing transactions will be updated.
|
|
*/
|
|
bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate)
|
|
{
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
|
|
if (pblock) {
|
|
BOOST_FOREACH(const CTxIn& txin, tx.vin) {
|
|
std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(txin.prevout);
|
|
while (range.first != range.second) {
|
|
if (range.first->second != tx.GetHash()) {
|
|
LogPrintf("Transaction %s (in block %s) conflicts with wallet transaction %s (both spend %s:%i)\n", tx.GetHash().ToString(), pblock->GetHash().ToString(), range.first->second.ToString(), range.first->first.hash.ToString(), range.first->first.n);
|
|
MarkConflicted(pblock->GetHash(), range.first->second);
|
|
}
|
|
range.first++;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool fExisted = mapWallet.count(tx.GetHash()) != 0;
|
|
if (fExisted && !fUpdate) return false;
|
|
if (fExisted || IsMine(tx) || IsFromMe(tx))
|
|
{
|
|
CWalletTx wtx(this,tx);
|
|
|
|
// Get merkle branch if transaction was found in a block
|
|
if (pblock)
|
|
wtx.SetMerkleBranch(*pblock);
|
|
|
|
// Do not flush the wallet here for performance reasons
|
|
// this is safe, as in case of a crash, we rescan the necessary blocks on startup through our SetBestChain-mechanism
|
|
CWalletDB walletdb(strWalletFile, "r+", false);
|
|
|
|
return AddToWallet(wtx, false, &walletdb);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::AbandonTransaction(const uint256& hashTx)
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
|
|
// Do not flush the wallet here for performance reasons
|
|
CWalletDB walletdb(strWalletFile, "r+", false);
|
|
|
|
std::set<uint256> todo;
|
|
std::set<uint256> done;
|
|
|
|
// Can't mark abandoned if confirmed or in mempool
|
|
assert(mapWallet.count(hashTx));
|
|
CWalletTx& origtx = mapWallet[hashTx];
|
|
if (origtx.GetDepthInMainChain() > 0 || origtx.InMempool()) {
|
|
return false;
|
|
}
|
|
|
|
todo.insert(hashTx);
|
|
|
|
while (!todo.empty()) {
|
|
uint256 now = *todo.begin();
|
|
todo.erase(now);
|
|
done.insert(now);
|
|
assert(mapWallet.count(now));
|
|
CWalletTx& wtx = mapWallet[now];
|
|
int currentconfirm = wtx.GetDepthInMainChain();
|
|
// If the orig tx was not in block, none of its spends can be
|
|
assert(currentconfirm <= 0);
|
|
// if (currentconfirm < 0) {Tx and spends are already conflicted, no need to abandon}
|
|
if (currentconfirm == 0 && !wtx.isAbandoned()) {
|
|
// If the orig tx was not in block/mempool, none of its spends can be in mempool
|
|
assert(!wtx.InMempool());
|
|
wtx.nIndex = -1;
|
|
wtx.setAbandoned();
|
|
wtx.MarkDirty();
|
|
wtx.WriteToDisk(&walletdb);
|
|
NotifyTransactionChanged(this, wtx.GetHash(), CT_UPDATED);
|
|
// Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too
|
|
TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(hashTx, 0));
|
|
while (iter != mapTxSpends.end() && iter->first.hash == now) {
|
|
if (!done.count(iter->second)) {
|
|
todo.insert(iter->second);
|
|
}
|
|
iter++;
|
|
}
|
|
// If a transaction changes 'conflicted' state, that changes the balance
|
|
// available of the outputs it spends. So force those to be recomputed
|
|
BOOST_FOREACH(const CTxIn& txin, wtx.vin)
|
|
{
|
|
if (mapWallet.count(txin.prevout.hash))
|
|
mapWallet[txin.prevout.hash].MarkDirty();
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void CWallet::MarkConflicted(const uint256& hashBlock, const uint256& hashTx)
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
|
|
int conflictconfirms = 0;
|
|
if (mapBlockIndex.count(hashBlock)) {
|
|
CBlockIndex* pindex = mapBlockIndex[hashBlock];
|
|
if (chainActive.Contains(pindex)) {
|
|
conflictconfirms = -(chainActive.Height() - pindex->nHeight + 1);
|
|
}
|
|
}
|
|
// If number of conflict confirms cannot be determined, this means
|
|
// that the block is still unknown or not yet part of the main chain,
|
|
// for example when loading the wallet during a reindex. Do nothing in that
|
|
// case.
|
|
if (conflictconfirms >= 0)
|
|
return;
|
|
|
|
// Do not flush the wallet here for performance reasons
|
|
CWalletDB walletdb(strWalletFile, "r+", false);
|
|
|
|
std::set<uint256> todo;
|
|
std::set<uint256> done;
|
|
|
|
todo.insert(hashTx);
|
|
|
|
while (!todo.empty()) {
|
|
uint256 now = *todo.begin();
|
|
todo.erase(now);
|
|
done.insert(now);
|
|
assert(mapWallet.count(now));
|
|
CWalletTx& wtx = mapWallet[now];
|
|
int currentconfirm = wtx.GetDepthInMainChain();
|
|
if (conflictconfirms < currentconfirm) {
|
|
// Block is 'more conflicted' than current confirm; update.
|
|
// Mark transaction as conflicted with this block.
|
|
wtx.nIndex = -1;
|
|
wtx.hashBlock = hashBlock;
|
|
wtx.MarkDirty();
|
|
wtx.WriteToDisk(&walletdb);
|
|
// Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too
|
|
TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(now, 0));
|
|
while (iter != mapTxSpends.end() && iter->first.hash == now) {
|
|
if (!done.count(iter->second)) {
|
|
todo.insert(iter->second);
|
|
}
|
|
iter++;
|
|
}
|
|
// If a transaction changes 'conflicted' state, that changes the balance
|
|
// available of the outputs it spends. So force those to be recomputed
|
|
BOOST_FOREACH(const CTxIn& txin, wtx.vin)
|
|
{
|
|
if (mapWallet.count(txin.prevout.hash))
|
|
mapWallet[txin.prevout.hash].MarkDirty();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CWallet::SyncTransaction(const CTransaction& tx, const CBlockIndex *pindex, const CBlock* pblock)
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
|
|
if (!AddToWalletIfInvolvingMe(tx, pblock, true))
|
|
return; // Not one of ours
|
|
|
|
// If a transaction changes 'conflicted' state, that changes the balance
|
|
// available of the outputs it spends. So force those to be
|
|
// recomputed, also:
|
|
BOOST_FOREACH(const CTxIn& txin, tx.vin)
|
|
{
|
|
if (mapWallet.count(txin.prevout.hash))
|
|
mapWallet[txin.prevout.hash].MarkDirty();
|
|
}
|
|
}
|
|
|
|
|
|
isminetype CWallet::IsMine(const CTxIn &txin) const
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
|
|
if (mi != mapWallet.end())
|
|
{
|
|
const CWalletTx& prev = (*mi).second;
|
|
if (txin.prevout.n < prev.vout.size())
|
|
return IsMine(prev.vout[txin.prevout.n]);
|
|
}
|
|
}
|
|
return ISMINE_NO;
|
|
}
|
|
|
|
CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
|
|
if (mi != mapWallet.end())
|
|
{
|
|
const CWalletTx& prev = (*mi).second;
|
|
if (txin.prevout.n < prev.vout.size())
|
|
if (IsMine(prev.vout[txin.prevout.n]) & filter)
|
|
return prev.vout[txin.prevout.n].nValue;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
isminetype CWallet::IsMine(const CTxOut& txout) const
|
|
{
|
|
return ::IsMine(*this, txout.scriptPubKey);
|
|
}
|
|
|
|
CAmount CWallet::GetCredit(const CTxOut& txout, const isminefilter& filter) const
|
|
{
|
|
if (!MoneyRange(txout.nValue))
|
|
throw std::runtime_error("CWallet::GetCredit(): value out of range");
|
|
return ((IsMine(txout) & filter) ? txout.nValue : 0);
|
|
}
|
|
|
|
bool CWallet::IsChange(const CTxOut& txout) const
|
|
{
|
|
// TODO: fix handling of 'change' outputs. The assumption is that any
|
|
// payment to a script that is ours, but is not in the address book
|
|
// is change. That assumption is likely to break when we implement multisignature
|
|
// wallets that return change back into a multi-signature-protected address;
|
|
// a better way of identifying which outputs are 'the send' and which are
|
|
// 'the change' will need to be implemented (maybe extend CWalletTx to remember
|
|
// which output, if any, was change).
|
|
if (::IsMine(*this, txout.scriptPubKey))
|
|
{
|
|
CTxDestination address;
|
|
if (!ExtractDestination(txout.scriptPubKey, address))
|
|
return true;
|
|
|
|
LOCK(cs_wallet);
|
|
if (!mapAddressBook.count(address))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
CAmount CWallet::GetChange(const CTxOut& txout) const
|
|
{
|
|
if (!MoneyRange(txout.nValue))
|
|
throw std::runtime_error("CWallet::GetChange(): value out of range");
|
|
return (IsChange(txout) ? txout.nValue : 0);
|
|
}
|
|
|
|
bool CWallet::IsMine(const CTransaction& tx) const
|
|
{
|
|
BOOST_FOREACH(const CTxOut& txout, tx.vout)
|
|
if (IsMine(txout))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::IsFromMe(const CTransaction& tx) const
|
|
{
|
|
return (GetDebit(tx, ISMINE_ALL) > 0);
|
|
}
|
|
|
|
CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
|
|
{
|
|
CAmount nDebit = 0;
|
|
BOOST_FOREACH(const CTxIn& txin, tx.vin)
|
|
{
|
|
nDebit += GetDebit(txin, filter);
|
|
if (!MoneyRange(nDebit))
|
|
throw std::runtime_error("CWallet::GetDebit(): value out of range");
|
|
}
|
|
return nDebit;
|
|
}
|
|
|
|
CAmount CWallet::GetCredit(const CTransaction& tx, const isminefilter& filter) const
|
|
{
|
|
CAmount nCredit = 0;
|
|
BOOST_FOREACH(const CTxOut& txout, tx.vout)
|
|
{
|
|
nCredit += GetCredit(txout, filter);
|
|
if (!MoneyRange(nCredit))
|
|
throw std::runtime_error("CWallet::GetCredit(): value out of range");
|
|
}
|
|
return nCredit;
|
|
}
|
|
|
|
CAmount CWallet::GetChange(const CTransaction& tx) const
|
|
{
|
|
CAmount nChange = 0;
|
|
BOOST_FOREACH(const CTxOut& txout, tx.vout)
|
|
{
|
|
nChange += GetChange(txout);
|
|
if (!MoneyRange(nChange))
|
|
throw std::runtime_error("CWallet::GetChange(): value out of range");
|
|
}
|
|
return nChange;
|
|
}
|
|
|
|
int64_t CWalletTx::GetTxTime() const
|
|
{
|
|
int64_t n = nTimeSmart;
|
|
return n ? n : nTimeReceived;
|
|
}
|
|
|
|
int CWalletTx::GetRequestCount() const
|
|
{
|
|
// Returns -1 if it wasn't being tracked
|
|
int nRequests = -1;
|
|
{
|
|
LOCK(pwallet->cs_wallet);
|
|
if (IsCoinBase())
|
|
{
|
|
// Generated block
|
|
if (!hashUnset())
|
|
{
|
|
map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
|
|
if (mi != pwallet->mapRequestCount.end())
|
|
nRequests = (*mi).second;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Did anyone request this transaction?
|
|
map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(GetHash());
|
|
if (mi != pwallet->mapRequestCount.end())
|
|
{
|
|
nRequests = (*mi).second;
|
|
|
|
// How about the block it's in?
|
|
if (nRequests == 0 && !hashUnset())
|
|
{
|
|
map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
|
|
if (mi != pwallet->mapRequestCount.end())
|
|
nRequests = (*mi).second;
|
|
else
|
|
nRequests = 1; // If it's in someone else's block it must have got out
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return nRequests;
|
|
}
|
|
|
|
void CWalletTx::GetAmounts(list<COutputEntry>& listReceived,
|
|
list<COutputEntry>& listSent, CAmount& nFee, string& strSentAccount, const isminefilter& filter) const
|
|
{
|
|
nFee = 0;
|
|
listReceived.clear();
|
|
listSent.clear();
|
|
strSentAccount = strFromAccount;
|
|
|
|
// Compute fee:
|
|
CAmount nDebit = GetDebit(filter);
|
|
if (nDebit > 0) // debit>0 means we signed/sent this transaction
|
|
{
|
|
CAmount nValueOut = GetValueOut();
|
|
nFee = nDebit - nValueOut;
|
|
}
|
|
|
|
// Sent/received.
|
|
for (unsigned int i = 0; i < vout.size(); ++i)
|
|
{
|
|
const CTxOut& txout = vout[i];
|
|
isminetype fIsMine = pwallet->IsMine(txout);
|
|
// Only need to handle txouts if AT LEAST one of these is true:
|
|
// 1) they debit from us (sent)
|
|
// 2) the output is to us (received)
|
|
if (nDebit > 0)
|
|
{
|
|
// Don't report 'change' txouts
|
|
if (pwallet->IsChange(txout))
|
|
continue;
|
|
}
|
|
else if (!(fIsMine & filter))
|
|
continue;
|
|
|
|
// In either case, we need to get the destination address
|
|
CTxDestination address;
|
|
|
|
if (!ExtractDestination(txout.scriptPubKey, address) && !txout.scriptPubKey.IsUnspendable())
|
|
{
|
|
LogPrintf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n",
|
|
this->GetHash().ToString());
|
|
address = CNoDestination();
|
|
}
|
|
|
|
COutputEntry output = {address, txout.nValue, (int)i};
|
|
|
|
// If we are debited by the transaction, add the output as a "sent" entry
|
|
if (nDebit > 0)
|
|
listSent.push_back(output);
|
|
|
|
// If we are receiving the output, add it as a "received" entry
|
|
if (fIsMine & filter)
|
|
listReceived.push_back(output);
|
|
}
|
|
|
|
}
|
|
|
|
void CWalletTx::GetAccountAmounts(const string& strAccount, CAmount& nReceived,
|
|
CAmount& nSent, CAmount& nFee, const isminefilter& filter) const
|
|
{
|
|
nReceived = nSent = nFee = 0;
|
|
|
|
CAmount allFee;
|
|
string strSentAccount;
|
|
list<COutputEntry> listReceived;
|
|
list<COutputEntry> listSent;
|
|
GetAmounts(listReceived, listSent, allFee, strSentAccount, filter);
|
|
|
|
if (strAccount == strSentAccount)
|
|
{
|
|
BOOST_FOREACH(const COutputEntry& s, listSent)
|
|
nSent += s.amount;
|
|
nFee = allFee;
|
|
}
|
|
{
|
|
LOCK(pwallet->cs_wallet);
|
|
BOOST_FOREACH(const COutputEntry& r, listReceived)
|
|
{
|
|
if (pwallet->mapAddressBook.count(r.destination))
|
|
{
|
|
map<CTxDestination, CAddressBookData>::const_iterator mi = pwallet->mapAddressBook.find(r.destination);
|
|
if (mi != pwallet->mapAddressBook.end() && (*mi).second.name == strAccount)
|
|
nReceived += r.amount;
|
|
}
|
|
else if (strAccount.empty())
|
|
{
|
|
nReceived += r.amount;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
bool CWalletTx::WriteToDisk(CWalletDB *pwalletdb)
|
|
{
|
|
return pwalletdb->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;
|
|
int64_t nNow = GetTime();
|
|
const CChainParams& chainParams = Params();
|
|
|
|
CBlockIndex* pindex = pindexStart;
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
|
|
// no need to read and scan block, if block was created before
|
|
// our wallet birthday (as adjusted for block time variability)
|
|
while (pindex && nTimeFirstKey && (pindex->GetBlockTime() < (nTimeFirstKey - 7200)))
|
|
pindex = chainActive.Next(pindex);
|
|
|
|
ShowProgress(_("Rescanning..."), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup
|
|
double dProgressStart = Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), pindex, false);
|
|
double dProgressTip = Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), chainActive.Tip(), false);
|
|
while (pindex)
|
|
{
|
|
if (pindex->nHeight % 100 == 0 && dProgressTip - dProgressStart > 0.0)
|
|
ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), pindex, false) - dProgressStart) / (dProgressTip - dProgressStart) * 100))));
|
|
|
|
CBlock block;
|
|
ReadBlockFromDisk(block, pindex, Params().GetConsensus());
|
|
BOOST_FOREACH(CTransaction& tx, block.vtx)
|
|
{
|
|
if (AddToWalletIfInvolvingMe(tx, &block, fUpdate))
|
|
ret++;
|
|
}
|
|
pindex = chainActive.Next(pindex);
|
|
if (GetTime() >= nNow + 60) {
|
|
nNow = GetTime();
|
|
LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), pindex));
|
|
}
|
|
}
|
|
ShowProgress(_("Rescanning..."), 100); // hide progress dialog in GUI
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void CWallet::ReacceptWalletTransactions()
|
|
{
|
|
// If transactions aren't being broadcasted, don't let them into local mempool either
|
|
if (!fBroadcastTransactions)
|
|
return;
|
|
LOCK2(cs_main, cs_wallet);
|
|
std::map<int64_t, CWalletTx*> mapSorted;
|
|
|
|
// Sort pending wallet transactions based on their initial wallet insertion order
|
|
BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
|
|
{
|
|
const uint256& wtxid = item.first;
|
|
CWalletTx& wtx = item.second;
|
|
assert(wtx.GetHash() == wtxid);
|
|
|
|
int nDepth = wtx.GetDepthInMainChain();
|
|
|
|
if (!wtx.IsCoinBase() && (nDepth == 0 && !wtx.isAbandoned())) {
|
|
mapSorted.insert(std::make_pair(wtx.nOrderPos, &wtx));
|
|
}
|
|
}
|
|
|
|
// Try to add wallet transactions to memory pool
|
|
BOOST_FOREACH(PAIRTYPE(const int64_t, CWalletTx*)& item, mapSorted)
|
|
{
|
|
CWalletTx& wtx = *(item.second);
|
|
|
|
LOCK(mempool.cs);
|
|
wtx.AcceptToMemoryPool(false, maxTxFee);
|
|
}
|
|
}
|
|
|
|
bool CWalletTx::RelayWalletTransaction()
|
|
{
|
|
assert(pwallet->GetBroadcastTransactions());
|
|
if (!IsCoinBase())
|
|
{
|
|
if (GetDepthInMainChain() == 0 && !isAbandoned() && InMempool()) {
|
|
LogPrintf("Relaying wtx %s\n", GetHash().ToString());
|
|
RelayTransaction((CTransaction)*this);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
set<uint256> CWalletTx::GetConflicts() const
|
|
{
|
|
set<uint256> result;
|
|
if (pwallet != NULL)
|
|
{
|
|
uint256 myHash = GetHash();
|
|
result = pwallet->GetConflicts(myHash);
|
|
result.erase(myHash);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
CAmount CWalletTx::GetDebit(const isminefilter& filter) const
|
|
{
|
|
if (vin.empty())
|
|
return 0;
|
|
|
|
CAmount debit = 0;
|
|
if(filter & ISMINE_SPENDABLE)
|
|
{
|
|
if (fDebitCached)
|
|
debit += nDebitCached;
|
|
else
|
|
{
|
|
nDebitCached = pwallet->GetDebit(*this, ISMINE_SPENDABLE);
|
|
fDebitCached = true;
|
|
debit += nDebitCached;
|
|
}
|
|
}
|
|
if(filter & ISMINE_WATCH_ONLY)
|
|
{
|
|
if(fWatchDebitCached)
|
|
debit += nWatchDebitCached;
|
|
else
|
|
{
|
|
nWatchDebitCached = pwallet->GetDebit(*this, ISMINE_WATCH_ONLY);
|
|
fWatchDebitCached = true;
|
|
debit += nWatchDebitCached;
|
|
}
|
|
}
|
|
return debit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetCredit(const isminefilter& filter) const
|
|
{
|
|
// Must wait until coinbase is safely deep enough in the chain before valuing it
|
|
if (IsCoinBase() && GetBlocksToMaturity() > 0)
|
|
return 0;
|
|
|
|
int64_t credit = 0;
|
|
if (filter & ISMINE_SPENDABLE)
|
|
{
|
|
// GetBalance can assume transactions in mapWallet won't change
|
|
if (fCreditCached)
|
|
credit += nCreditCached;
|
|
else
|
|
{
|
|
nCreditCached = pwallet->GetCredit(*this, ISMINE_SPENDABLE);
|
|
fCreditCached = true;
|
|
credit += nCreditCached;
|
|
}
|
|
}
|
|
if (filter & ISMINE_WATCH_ONLY)
|
|
{
|
|
if (fWatchCreditCached)
|
|
credit += nWatchCreditCached;
|
|
else
|
|
{
|
|
nWatchCreditCached = pwallet->GetCredit(*this, ISMINE_WATCH_ONLY);
|
|
fWatchCreditCached = true;
|
|
credit += nWatchCreditCached;
|
|
}
|
|
}
|
|
return credit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetImmatureCredit(bool fUseCache) const
|
|
{
|
|
if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
|
|
{
|
|
if (fUseCache && fImmatureCreditCached)
|
|
return nImmatureCreditCached;
|
|
nImmatureCreditCached = pwallet->GetCredit(*this, ISMINE_SPENDABLE);
|
|
fImmatureCreditCached = true;
|
|
return nImmatureCreditCached;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
CAmount CWalletTx::GetAvailableCredit(bool fUseCache) const
|
|
{
|
|
if (pwallet == 0)
|
|
return 0;
|
|
|
|
// Must wait until coinbase is safely deep enough in the chain before valuing it
|
|
if (IsCoinBase() && GetBlocksToMaturity() > 0)
|
|
return 0;
|
|
|
|
if (fUseCache && fAvailableCreditCached)
|
|
return nAvailableCreditCached;
|
|
|
|
CAmount nCredit = 0;
|
|
uint256 hashTx = GetHash();
|
|
for (unsigned int i = 0; i < vout.size(); i++)
|
|
{
|
|
if (!pwallet->IsSpent(hashTx, i))
|
|
{
|
|
const CTxOut &txout = vout[i];
|
|
nCredit += pwallet->GetCredit(txout, ISMINE_SPENDABLE);
|
|
if (!MoneyRange(nCredit))
|
|
throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
|
|
}
|
|
}
|
|
|
|
nAvailableCreditCached = nCredit;
|
|
fAvailableCreditCached = true;
|
|
return nCredit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetImmatureWatchOnlyCredit(const bool& fUseCache) const
|
|
{
|
|
if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
|
|
{
|
|
if (fUseCache && fImmatureWatchCreditCached)
|
|
return nImmatureWatchCreditCached;
|
|
nImmatureWatchCreditCached = pwallet->GetCredit(*this, ISMINE_WATCH_ONLY);
|
|
fImmatureWatchCreditCached = true;
|
|
return nImmatureWatchCreditCached;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
CAmount CWalletTx::GetAvailableWatchOnlyCredit(const bool& fUseCache) const
|
|
{
|
|
if (pwallet == 0)
|
|
return 0;
|
|
|
|
// Must wait until coinbase is safely deep enough in the chain before valuing it
|
|
if (IsCoinBase() && GetBlocksToMaturity() > 0)
|
|
return 0;
|
|
|
|
if (fUseCache && fAvailableWatchCreditCached)
|
|
return nAvailableWatchCreditCached;
|
|
|
|
CAmount nCredit = 0;
|
|
for (unsigned int i = 0; i < vout.size(); i++)
|
|
{
|
|
if (!pwallet->IsSpent(GetHash(), i))
|
|
{
|
|
const CTxOut &txout = vout[i];
|
|
nCredit += pwallet->GetCredit(txout, ISMINE_WATCH_ONLY);
|
|
if (!MoneyRange(nCredit))
|
|
throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
|
|
}
|
|
}
|
|
|
|
nAvailableWatchCreditCached = nCredit;
|
|
fAvailableWatchCreditCached = true;
|
|
return nCredit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetChange() const
|
|
{
|
|
if (fChangeCached)
|
|
return nChangeCached;
|
|
nChangeCached = pwallet->GetChange(*this);
|
|
fChangeCached = true;
|
|
return nChangeCached;
|
|
}
|
|
|
|
bool CWalletTx::InMempool() const
|
|
{
|
|
LOCK(mempool.cs);
|
|
if (mempool.exists(GetHash())) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CWalletTx::IsTrusted() const
|
|
{
|
|
// Quick answer in most cases
|
|
if (!CheckFinalTx(*this))
|
|
return false;
|
|
int nDepth = GetDepthInMainChain();
|
|
if (nDepth >= 1)
|
|
return true;
|
|
if (nDepth < 0)
|
|
return false;
|
|
if (!bSpendZeroConfChange || !IsFromMe(ISMINE_ALL)) // using wtx's cached debit
|
|
return false;
|
|
|
|
// Don't trust unconfirmed transactions from us unless they are in the mempool.
|
|
if (!InMempool())
|
|
return false;
|
|
|
|
// Trusted if all inputs are from us and are in the mempool:
|
|
BOOST_FOREACH(const CTxIn& txin, vin)
|
|
{
|
|
// Transactions not sent by us: not trusted
|
|
const CWalletTx* parent = pwallet->GetWalletTx(txin.prevout.hash);
|
|
if (parent == NULL)
|
|
return false;
|
|
const CTxOut& parentOut = parent->vout[txin.prevout.n];
|
|
if (pwallet->IsMine(parentOut) != ISMINE_SPENDABLE)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWalletTx::IsEquivalentTo(const CWalletTx& tx) const
|
|
{
|
|
CMutableTransaction tx1 = *this;
|
|
CMutableTransaction tx2 = tx;
|
|
for (unsigned int i = 0; i < tx1.vin.size(); i++) tx1.vin[i].scriptSig = CScript();
|
|
for (unsigned int i = 0; i < tx2.vin.size(); i++) tx2.vin[i].scriptSig = CScript();
|
|
return CTransaction(tx1) == CTransaction(tx2);
|
|
}
|
|
|
|
std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime)
|
|
{
|
|
std::vector<uint256> result;
|
|
|
|
LOCK(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 if newer than nTime:
|
|
if (wtx.nTimeReceived > nTime)
|
|
continue;
|
|
mapSorted.insert(make_pair(wtx.nTimeReceived, &wtx));
|
|
}
|
|
BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted)
|
|
{
|
|
CWalletTx& wtx = *item.second;
|
|
if (wtx.RelayWalletTransaction())
|
|
result.push_back(wtx.GetHash());
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void CWallet::ResendWalletTransactions(int64_t nBestBlockTime)
|
|
{
|
|
// Do this infrequently and randomly to avoid giving away
|
|
// that these are our transactions.
|
|
if (GetTime() < nNextResend || !fBroadcastTransactions)
|
|
return;
|
|
bool fFirst = (nNextResend == 0);
|
|
nNextResend = GetTime() + GetRand(30 * 60);
|
|
if (fFirst)
|
|
return;
|
|
|
|
// Only do it if there's been a new block since last time
|
|
if (nBestBlockTime < nLastResend)
|
|
return;
|
|
nLastResend = GetTime();
|
|
|
|
// Rebroadcast unconfirmed txes older than 5 minutes before the last
|
|
// block was found:
|
|
std::vector<uint256> relayed = ResendWalletTransactionsBefore(nBestBlockTime-5*60);
|
|
if (!relayed.empty())
|
|
LogPrintf("%s: rebroadcast %u unconfirmed transactions\n", __func__, relayed.size());
|
|
}
|
|
|
|
/** @} */ // end of mapWallet
|
|
|
|
|
|
|
|
|
|
/** @defgroup Actions
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
|
|
CAmount CWallet::GetBalance() const
|
|
{
|
|
CAmount nTotal = 0;
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
if (pcoin->IsTrusted())
|
|
nTotal += pcoin->GetAvailableCredit();
|
|
}
|
|
}
|
|
|
|
return nTotal;
|
|
}
|
|
|
|
CAmount CWallet::GetUnconfirmedBalance() const
|
|
{
|
|
CAmount nTotal = 0;
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
if (!CheckFinalTx(*pcoin) || (!pcoin->IsTrusted() && pcoin->GetDepthInMainChain() == 0))
|
|
nTotal += pcoin->GetAvailableCredit();
|
|
}
|
|
}
|
|
return nTotal;
|
|
}
|
|
|
|
CAmount CWallet::GetImmatureBalance() const
|
|
{
|
|
CAmount nTotal = 0;
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
nTotal += pcoin->GetImmatureCredit();
|
|
}
|
|
}
|
|
return nTotal;
|
|
}
|
|
|
|
CAmount CWallet::GetWatchOnlyBalance() const
|
|
{
|
|
CAmount nTotal = 0;
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
if (pcoin->IsTrusted())
|
|
nTotal += pcoin->GetAvailableWatchOnlyCredit();
|
|
}
|
|
}
|
|
|
|
return nTotal;
|
|
}
|
|
|
|
CAmount CWallet::GetUnconfirmedWatchOnlyBalance() const
|
|
{
|
|
CAmount nTotal = 0;
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
if (!CheckFinalTx(*pcoin) || (!pcoin->IsTrusted() && pcoin->GetDepthInMainChain() == 0))
|
|
nTotal += pcoin->GetAvailableWatchOnlyCredit();
|
|
}
|
|
}
|
|
return nTotal;
|
|
}
|
|
|
|
CAmount CWallet::GetImmatureWatchOnlyBalance() const
|
|
{
|
|
CAmount nTotal = 0;
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
nTotal += pcoin->GetImmatureWatchOnlyCredit();
|
|
}
|
|
}
|
|
return nTotal;
|
|
}
|
|
|
|
void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const CCoinControl *coinControl, bool fIncludeZeroValue) const
|
|
{
|
|
vCoins.clear();
|
|
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const uint256& wtxid = it->first;
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
|
|
if (!CheckFinalTx(*pcoin))
|
|
continue;
|
|
|
|
if (fOnlyConfirmed && !pcoin->IsTrusted())
|
|
continue;
|
|
|
|
if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
|
|
continue;
|
|
|
|
int nDepth = pcoin->GetDepthInMainChain();
|
|
if (nDepth < 0)
|
|
continue;
|
|
|
|
for (unsigned int i = 0; i < pcoin->vout.size(); i++) {
|
|
isminetype mine = IsMine(pcoin->vout[i]);
|
|
if (!(IsSpent(wtxid, i)) && mine != ISMINE_NO &&
|
|
!IsLockedCoin((*it).first, i) && (pcoin->vout[i].nValue > 0 || fIncludeZeroValue) &&
|
|
(!coinControl || !coinControl->HasSelected() || coinControl->fAllowOtherInputs || coinControl->IsSelected((*it).first, i)))
|
|
vCoins.push_back(COutput(pcoin, i, nDepth,
|
|
((mine & ISMINE_SPENDABLE) != ISMINE_NO) ||
|
|
(coinControl && coinControl->fAllowWatchOnly && (mine & ISMINE_WATCH_SOLVABLE) != ISMINE_NO)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ApproximateBestSubset(vector<pair<CAmount, pair<const CWalletTx*,unsigned int> > >vValue, const CAmount& nTotalLower, const CAmount& nTargetValue,
|
|
vector<char>& vfBest, CAmount& nBest, int iterations = 1000)
|
|
{
|
|
vector<char> vfIncluded;
|
|
|
|
vfBest.assign(vValue.size(), true);
|
|
nBest = nTotalLower;
|
|
|
|
seed_insecure_rand();
|
|
|
|
for (int nRep = 0; nRep < iterations && nBest != nTargetValue; nRep++)
|
|
{
|
|
vfIncluded.assign(vValue.size(), false);
|
|
CAmount nTotal = 0;
|
|
bool fReachedTarget = false;
|
|
for (int nPass = 0; nPass < 2 && !fReachedTarget; nPass++)
|
|
{
|
|
for (unsigned int i = 0; i < vValue.size(); i++)
|
|
{
|
|
//The solver here uses a randomized algorithm,
|
|
//the randomness serves no real security purpose but is just
|
|
//needed to prevent degenerate behavior and it is important
|
|
//that the rng is fast. We do not use a constant random sequence,
|
|
//because there may be some privacy improvement by making
|
|
//the selection random.
|
|
if (nPass == 0 ? insecure_rand()&1 : !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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//Reduces the approximate best subset by removing any inputs that are smaller than the surplus of nTotal beyond nTargetValue.
|
|
for (unsigned int i = 0; i < vValue.size(); i++)
|
|
{
|
|
if (vfBest[i] && (nBest - vValue[i].first) >= nTargetValue )
|
|
{
|
|
vfBest[i] = false;
|
|
nBest -= vValue[i].first;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int nConfTheirs, vector<COutput> vCoins,
|
|
set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet) const
|
|
{
|
|
setCoinsRet.clear();
|
|
nValueRet = 0;
|
|
|
|
// List of values less than target
|
|
pair<CAmount, pair<const CWalletTx*,unsigned int> > coinLowestLarger;
|
|
coinLowestLarger.first = std::numeric_limits<CAmount>::max();
|
|
coinLowestLarger.second.first = NULL;
|
|
vector<pair<CAmount, pair<const CWalletTx*,unsigned int> > > vValue;
|
|
CAmount nTotalLower = 0;
|
|
|
|
random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
|
|
|
|
BOOST_FOREACH(const COutput &output, vCoins)
|
|
{
|
|
if (!output.fSpendable)
|
|
continue;
|
|
|
|
const CWalletTx *pcoin = output.tx;
|
|
|
|
if (output.nDepth < (pcoin->IsFromMe(ISMINE_ALL) ? nConfMine : nConfTheirs))
|
|
continue;
|
|
|
|
int i = output.i;
|
|
CAmount n = pcoin->vout[i].nValue;
|
|
|
|
pair<CAmount,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 + MIN_CHANGE)
|
|
{
|
|
vValue.push_back(coin);
|
|
nTotalLower += n;
|
|
}
|
|
else if (n < coinLowestLarger.first)
|
|
{
|
|
coinLowestLarger = coin;
|
|
}
|
|
}
|
|
|
|
if (nTotalLower == nTargetValue)
|
|
{
|
|
for (unsigned int i = 0; i < vValue.size(); ++i)
|
|
{
|
|
setCoinsRet.insert(vValue[i].second);
|
|
nValueRet += vValue[i].first;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (nTotalLower < nTargetValue)
|
|
{
|
|
if (coinLowestLarger.second.first == NULL)
|
|
return false;
|
|
setCoinsRet.insert(coinLowestLarger.second);
|
|
nValueRet += coinLowestLarger.first;
|
|
return true;
|
|
}
|
|
|
|
// Solve subset sum by stochastic approximation
|
|
std::sort(vValue.begin(), vValue.end(), CompareValueOnly());
|
|
std::reverse(vValue.begin(), vValue.end());
|
|
vector<char> vfBest;
|
|
CAmount nBest;
|
|
|
|
ApproximateBestSubset(vValue, nTotalLower, nTargetValue, vfBest, nBest);
|
|
if (nBest != nTargetValue && nTotalLower >= nTargetValue + MIN_CHANGE)
|
|
ApproximateBestSubset(vValue, nTotalLower, nTargetValue + MIN_CHANGE, vfBest, nBest);
|
|
|
|
// If we have a bigger coin and (either the stochastic approximation didn't find a good solution,
|
|
// or the next bigger coin is closer), return the bigger coin
|
|
if (coinLowestLarger.second.first &&
|
|
((nBest != nTargetValue && nBest < nTargetValue + MIN_CHANGE) || coinLowestLarger.first <= nBest))
|
|
{
|
|
setCoinsRet.insert(coinLowestLarger.second);
|
|
nValueRet += coinLowestLarger.first;
|
|
}
|
|
else {
|
|
for (unsigned int i = 0; i < vValue.size(); i++)
|
|
if (vfBest[i])
|
|
{
|
|
setCoinsRet.insert(vValue[i].second);
|
|
nValueRet += vValue[i].first;
|
|
}
|
|
|
|
LogPrint("selectcoins", "SelectCoins() best subset: ");
|
|
for (unsigned int i = 0; i < vValue.size(); i++)
|
|
if (vfBest[i])
|
|
LogPrint("selectcoins", "%s ", FormatMoney(vValue[i].first));
|
|
LogPrint("selectcoins", "total %s\n", FormatMoney(nBest));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::SelectCoins(const CAmount& nTargetValue, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl* coinControl) const
|
|
{
|
|
vector<COutput> vCoins;
|
|
AvailableCoins(vCoins, true, coinControl);
|
|
|
|
// coin control -> return all selected outputs (we want all selected to go into the transaction for sure)
|
|
if (coinControl && coinControl->HasSelected() && !coinControl->fAllowOtherInputs)
|
|
{
|
|
BOOST_FOREACH(const COutput& out, vCoins)
|
|
{
|
|
if (!out.fSpendable)
|
|
continue;
|
|
nValueRet += out.tx->vout[out.i].nValue;
|
|
setCoinsRet.insert(make_pair(out.tx, out.i));
|
|
}
|
|
return (nValueRet >= nTargetValue);
|
|
}
|
|
|
|
// calculate value from preset inputs and store them
|
|
set<pair<const CWalletTx*, uint32_t> > setPresetCoins;
|
|
CAmount nValueFromPresetInputs = 0;
|
|
|
|
std::vector<COutPoint> vPresetInputs;
|
|
if (coinControl)
|
|
coinControl->ListSelected(vPresetInputs);
|
|
BOOST_FOREACH(const COutPoint& outpoint, vPresetInputs)
|
|
{
|
|
map<uint256, CWalletTx>::const_iterator it = mapWallet.find(outpoint.hash);
|
|
if (it != mapWallet.end())
|
|
{
|
|
const CWalletTx* pcoin = &it->second;
|
|
// Clearly invalid input, fail
|
|
if (pcoin->vout.size() <= outpoint.n)
|
|
return false;
|
|
nValueFromPresetInputs += pcoin->vout[outpoint.n].nValue;
|
|
setPresetCoins.insert(make_pair(pcoin, outpoint.n));
|
|
} else
|
|
return false; // TODO: Allow non-wallet inputs
|
|
}
|
|
|
|
// remove preset inputs from vCoins
|
|
for (vector<COutput>::iterator it = vCoins.begin(); it != vCoins.end() && coinControl && coinControl->HasSelected();)
|
|
{
|
|
if (setPresetCoins.count(make_pair(it->tx, it->i)))
|
|
it = vCoins.erase(it);
|
|
else
|
|
++it;
|
|
}
|
|
|
|
bool res = nTargetValue <= nValueFromPresetInputs ||
|
|
SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 1, 6, vCoins, setCoinsRet, nValueRet) ||
|
|
SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 1, 1, vCoins, setCoinsRet, nValueRet) ||
|
|
(bSpendZeroConfChange && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 0, 1, vCoins, setCoinsRet, nValueRet));
|
|
|
|
// because SelectCoinsMinConf clears the setCoinsRet, we now add the possible inputs to the coinset
|
|
setCoinsRet.insert(setPresetCoins.begin(), setPresetCoins.end());
|
|
|
|
// add preset inputs to the total value selected
|
|
nValueRet += nValueFromPresetInputs;
|
|
|
|
return res;
|
|
}
|
|
|
|
bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount &nFeeRet, int& nChangePosRet, std::string& strFailReason, bool includeWatching)
|
|
{
|
|
vector<CRecipient> vecSend;
|
|
|
|
// Turn the txout set into a CRecipient vector
|
|
BOOST_FOREACH(const CTxOut& txOut, tx.vout)
|
|
{
|
|
CRecipient recipient = {txOut.scriptPubKey, txOut.nValue, false};
|
|
vecSend.push_back(recipient);
|
|
}
|
|
|
|
CCoinControl coinControl;
|
|
coinControl.fAllowOtherInputs = true;
|
|
coinControl.fAllowWatchOnly = includeWatching;
|
|
BOOST_FOREACH(const CTxIn& txin, tx.vin)
|
|
coinControl.Select(txin.prevout);
|
|
|
|
CReserveKey reservekey(this);
|
|
CWalletTx wtx;
|
|
if (!CreateTransaction(vecSend, wtx, reservekey, nFeeRet, nChangePosRet, strFailReason, &coinControl, false))
|
|
return false;
|
|
|
|
if (nChangePosRet != -1)
|
|
tx.vout.insert(tx.vout.begin() + nChangePosRet, wtx.vout[nChangePosRet]);
|
|
|
|
// Add new txins (keeping original txin scriptSig/order)
|
|
BOOST_FOREACH(const CTxIn& txin, wtx.vin)
|
|
{
|
|
bool found = false;
|
|
BOOST_FOREACH(const CTxIn& origTxIn, tx.vin)
|
|
{
|
|
if (txin.prevout.hash == origTxIn.prevout.hash && txin.prevout.n == origTxIn.prevout.n)
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found)
|
|
tx.vin.push_back(txin);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet,
|
|
int& nChangePosRet, std::string& strFailReason, const CCoinControl* coinControl, bool sign)
|
|
{
|
|
CAmount nValue = 0;
|
|
unsigned int nSubtractFeeFromAmount = 0;
|
|
BOOST_FOREACH (const CRecipient& recipient, vecSend)
|
|
{
|
|
if (nValue < 0 || recipient.nAmount < 0)
|
|
{
|
|
strFailReason = _("Transaction amounts must be positive");
|
|
return false;
|
|
}
|
|
nValue += recipient.nAmount;
|
|
|
|
if (recipient.fSubtractFeeFromAmount)
|
|
nSubtractFeeFromAmount++;
|
|
}
|
|
if (vecSend.empty() || nValue < 0)
|
|
{
|
|
strFailReason = _("Transaction amounts must be positive");
|
|
return false;
|
|
}
|
|
|
|
wtxNew.fTimeReceivedIsTxTime = true;
|
|
wtxNew.BindWallet(this);
|
|
CMutableTransaction txNew;
|
|
|
|
// Discourage fee sniping.
|
|
//
|
|
// For a large miner the value of the transactions in the best block and
|
|
// the mempool can exceed the cost of deliberately attempting to mine two
|
|
// blocks to orphan the current best block. By setting nLockTime such that
|
|
// only the next block can include the transaction, we discourage this
|
|
// practice as the height restricted and limited blocksize gives miners
|
|
// considering fee sniping fewer options for pulling off this attack.
|
|
//
|
|
// A simple way to think about this is from the wallet's point of view we
|
|
// always want the blockchain to move forward. By setting nLockTime this
|
|
// way we're basically making the statement that we only want this
|
|
// transaction to appear in the next block; we don't want to potentially
|
|
// encourage reorgs by allowing transactions to appear at lower heights
|
|
// than the next block in forks of the best chain.
|
|
//
|
|
// Of course, the subsidy is high enough, and transaction volume low
|
|
// enough, that fee sniping isn't a problem yet, but by implementing a fix
|
|
// now we ensure code won't be written that makes assumptions about
|
|
// nLockTime that preclude a fix later.
|
|
txNew.nLockTime = chainActive.Height();
|
|
|
|
// Secondly occasionally randomly pick a nLockTime even further back, so
|
|
// that transactions that are delayed after signing for whatever reason,
|
|
// e.g. high-latency mix networks and some CoinJoin implementations, have
|
|
// better privacy.
|
|
if (GetRandInt(10) == 0)
|
|
txNew.nLockTime = std::max(0, (int)txNew.nLockTime - GetRandInt(100));
|
|
|
|
assert(txNew.nLockTime <= (unsigned int)chainActive.Height());
|
|
assert(txNew.nLockTime < LOCKTIME_THRESHOLD);
|
|
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
{
|
|
nFeeRet = 0;
|
|
// Start with no fee and loop until there is enough fee
|
|
while (true)
|
|
{
|
|
txNew.vin.clear();
|
|
txNew.vout.clear();
|
|
wtxNew.fFromMe = true;
|
|
nChangePosRet = -1;
|
|
bool fFirst = true;
|
|
|
|
CAmount nValueToSelect = nValue;
|
|
if (nSubtractFeeFromAmount == 0)
|
|
nValueToSelect += nFeeRet;
|
|
double dPriority = 0;
|
|
// vouts to the payees
|
|
BOOST_FOREACH (const CRecipient& recipient, vecSend)
|
|
{
|
|
CTxOut txout(recipient.nAmount, recipient.scriptPubKey);
|
|
|
|
if (recipient.fSubtractFeeFromAmount)
|
|
{
|
|
txout.nValue -= nFeeRet / nSubtractFeeFromAmount; // Subtract fee equally from each selected recipient
|
|
|
|
if (fFirst) // first receiver pays the remainder not divisible by output count
|
|
{
|
|
fFirst = false;
|
|
txout.nValue -= nFeeRet % nSubtractFeeFromAmount;
|
|
}
|
|
}
|
|
|
|
if (txout.IsDust(::minRelayTxFee))
|
|
{
|
|
if (recipient.fSubtractFeeFromAmount && nFeeRet > 0)
|
|
{
|
|
if (txout.nValue < 0)
|
|
strFailReason = _("The transaction amount is too small to pay the fee");
|
|
else
|
|
strFailReason = _("The transaction amount is too small to send after the fee has been deducted");
|
|
}
|
|
else
|
|
strFailReason = _("Transaction amount too small");
|
|
return false;
|
|
}
|
|
txNew.vout.push_back(txout);
|
|
}
|
|
|
|
// Choose coins to use
|
|
set<pair<const CWalletTx*,unsigned int> > setCoins;
|
|
CAmount nValueIn = 0;
|
|
if (!SelectCoins(nValueToSelect, setCoins, nValueIn, coinControl))
|
|
{
|
|
strFailReason = _("Insufficient funds");
|
|
return false;
|
|
}
|
|
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
|
|
{
|
|
CAmount nCredit = pcoin.first->vout[pcoin.second].nValue;
|
|
//The coin age after the next block (depth+1) is used instead of the current,
|
|
//reflecting an assumption the user would accept a bit more delay for
|
|
//a chance at a free transaction.
|
|
//But mempool inputs might still be in the mempool, so their age stays 0
|
|
int age = pcoin.first->GetDepthInMainChain();
|
|
assert(age >= 0);
|
|
if (age != 0)
|
|
age += 1;
|
|
dPriority += (double)nCredit * age;
|
|
}
|
|
|
|
const CAmount nChange = nValueIn - nValueToSelect;
|
|
if (nChange > 0)
|
|
{
|
|
// Fill a vout to ourself
|
|
// TODO: pass in scriptChange instead of reservekey so
|
|
// change transaction isn't always pay-to-bitcoin-address
|
|
CScript scriptChange;
|
|
|
|
// coin control: send change to custom address
|
|
if (coinControl && !boost::get<CNoDestination>(&coinControl->destChange))
|
|
scriptChange = GetScriptForDestination(coinControl->destChange);
|
|
|
|
// no coin control: send change to newly generated address
|
|
else
|
|
{
|
|
// 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
|
|
CPubKey vchPubKey;
|
|
bool ret;
|
|
ret = reservekey.GetReservedKey(vchPubKey);
|
|
assert(ret); // should never fail, as we just unlocked
|
|
|
|
scriptChange = GetScriptForDestination(vchPubKey.GetID());
|
|
}
|
|
|
|
CTxOut newTxOut(nChange, scriptChange);
|
|
|
|
// We do not move dust-change to fees, because the sender would end up paying more than requested.
|
|
// This would be against the purpose of the all-inclusive feature.
|
|
// So instead we raise the change and deduct from the recipient.
|
|
if (nSubtractFeeFromAmount > 0 && newTxOut.IsDust(::minRelayTxFee))
|
|
{
|
|
CAmount nDust = newTxOut.GetDustThreshold(::minRelayTxFee) - newTxOut.nValue;
|
|
newTxOut.nValue += nDust; // raise change until no more dust
|
|
for (unsigned int i = 0; i < vecSend.size(); i++) // subtract from first recipient
|
|
{
|
|
if (vecSend[i].fSubtractFeeFromAmount)
|
|
{
|
|
txNew.vout[i].nValue -= nDust;
|
|
if (txNew.vout[i].IsDust(::minRelayTxFee))
|
|
{
|
|
strFailReason = _("The transaction amount is too small to send after the fee has been deducted");
|
|
return false;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Never create dust outputs; if we would, just
|
|
// add the dust to the fee.
|
|
if (newTxOut.IsDust(::minRelayTxFee))
|
|
{
|
|
nFeeRet += nChange;
|
|
reservekey.ReturnKey();
|
|
}
|
|
else
|
|
{
|
|
// Insert change txn at random position:
|
|
nChangePosRet = GetRandInt(txNew.vout.size()+1);
|
|
vector<CTxOut>::iterator position = txNew.vout.begin()+nChangePosRet;
|
|
txNew.vout.insert(position, newTxOut);
|
|
}
|
|
}
|
|
else
|
|
reservekey.ReturnKey();
|
|
|
|
// Fill vin
|
|
//
|
|
// Note how the sequence number is set to max()-1 so that the
|
|
// nLockTime set above actually works.
|
|
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
|
|
txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second,CScript(),
|
|
std::numeric_limits<unsigned int>::max()-1));
|
|
|
|
// Sign
|
|
int nIn = 0;
|
|
CTransaction txNewConst(txNew);
|
|
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
|
|
{
|
|
bool signSuccess;
|
|
const CScript& scriptPubKey = coin.first->vout[coin.second].scriptPubKey;
|
|
CScript& scriptSigRes = txNew.vin[nIn].scriptSig;
|
|
if (sign)
|
|
signSuccess = ProduceSignature(TransactionSignatureCreator(this, &txNewConst, nIn, SIGHASH_ALL), scriptPubKey, scriptSigRes);
|
|
else
|
|
signSuccess = ProduceSignature(DummySignatureCreator(this), scriptPubKey, scriptSigRes);
|
|
|
|
if (!signSuccess)
|
|
{
|
|
strFailReason = _("Signing transaction failed");
|
|
return false;
|
|
}
|
|
nIn++;
|
|
}
|
|
|
|
unsigned int nBytes = ::GetSerializeSize(txNew, SER_NETWORK, PROTOCOL_VERSION);
|
|
|
|
// Remove scriptSigs if we used dummy signatures for fee calculation
|
|
if (!sign) {
|
|
BOOST_FOREACH (CTxIn& vin, txNew.vin)
|
|
vin.scriptSig = CScript();
|
|
}
|
|
|
|
// Embed the constructed transaction data in wtxNew.
|
|
*static_cast<CTransaction*>(&wtxNew) = CTransaction(txNew);
|
|
|
|
// Limit size
|
|
if (nBytes >= MAX_STANDARD_TX_SIZE)
|
|
{
|
|
strFailReason = _("Transaction too large");
|
|
return false;
|
|
}
|
|
|
|
dPriority = wtxNew.ComputePriority(dPriority, nBytes);
|
|
|
|
// Can we complete this as a free transaction?
|
|
if (fSendFreeTransactions && nBytes <= MAX_FREE_TRANSACTION_CREATE_SIZE)
|
|
{
|
|
// Not enough fee: enough priority?
|
|
double dPriorityNeeded = mempool.estimateSmartPriority(nTxConfirmTarget);
|
|
// Require at least hard-coded AllowFree.
|
|
if (dPriority >= dPriorityNeeded && AllowFree(dPriority))
|
|
break;
|
|
}
|
|
|
|
CAmount nFeeNeeded = GetMinimumFee(nBytes, nTxConfirmTarget, mempool);
|
|
if (coinControl && nFeeNeeded > 0 && coinControl->nMinimumTotalFee > nFeeNeeded) {
|
|
nFeeNeeded = coinControl->nMinimumTotalFee;
|
|
}
|
|
|
|
// If we made it here and we aren't even able to meet the relay fee on the next pass, give up
|
|
// because we must be at the maximum allowed fee.
|
|
if (nFeeNeeded < ::minRelayTxFee.GetFee(nBytes))
|
|
{
|
|
strFailReason = _("Transaction too large for fee policy");
|
|
return false;
|
|
}
|
|
|
|
if (nFeeRet >= nFeeNeeded)
|
|
break; // Done, enough fee included.
|
|
|
|
// Include more fee and try again.
|
|
nFeeRet = nFeeNeeded;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Call after CreateTransaction unless you want to abort
|
|
*/
|
|
bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
|
|
{
|
|
{
|
|
LOCK2(cs_main, cs_wallet);
|
|
LogPrintf("CommitTransaction:\n%s", wtxNew.ToString());
|
|
{
|
|
// This is only to keep the database open to defeat the auto-flush for the
|
|
// duration of this scope. This is the only place where this optimization
|
|
// maybe makes sense; please don't do it anywhere else.
|
|
CWalletDB* pwalletdb = fFileBacked ? new CWalletDB(strWalletFile,"r+") : NULL;
|
|
|
|
// Take key pair from key pool so it won't be used again
|
|
reservekey.KeepKey();
|
|
|
|
// Add tx to wallet, because if it has change it's also ours,
|
|
// otherwise just for transaction history.
|
|
AddToWallet(wtxNew, false, pwalletdb);
|
|
|
|
// Notify that old coins are spent
|
|
set<CWalletTx*> setCoins;
|
|
BOOST_FOREACH(const CTxIn& txin, wtxNew.vin)
|
|
{
|
|
CWalletTx &coin = mapWallet[txin.prevout.hash];
|
|
coin.BindWallet(this);
|
|
NotifyTransactionChanged(this, coin.GetHash(), CT_UPDATED);
|
|
}
|
|
|
|
if (fFileBacked)
|
|
delete pwalletdb;
|
|
}
|
|
|
|
// Track how many getdata requests our transaction gets
|
|
mapRequestCount[wtxNew.GetHash()] = 0;
|
|
|
|
if (fBroadcastTransactions)
|
|
{
|
|
// Broadcast
|
|
if (!wtxNew.AcceptToMemoryPool(false, maxTxFee))
|
|
{
|
|
// This must not fail. The transaction has already been signed and recorded.
|
|
LogPrintf("CommitTransaction(): Error: Transaction not valid\n");
|
|
return false;
|
|
}
|
|
wtxNew.RelayWalletTransaction();
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::AddAccountingEntry(const CAccountingEntry& acentry, CWalletDB & pwalletdb)
|
|
{
|
|
if (!pwalletdb.WriteAccountingEntry_Backend(acentry))
|
|
return false;
|
|
|
|
laccentries.push_back(acentry);
|
|
CAccountingEntry & entry = laccentries.back();
|
|
wtxOrdered.insert(make_pair(entry.nOrderPos, TxPair((CWalletTx*)0, &entry)));
|
|
|
|
return true;
|
|
}
|
|
|
|
CAmount CWallet::GetRequiredFee(unsigned int nTxBytes)
|
|
{
|
|
return std::max(minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes));
|
|
}
|
|
|
|
CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool)
|
|
{
|
|
// payTxFee is user-set "I want to pay this much"
|
|
CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes);
|
|
// User didn't set: use -txconfirmtarget to estimate...
|
|
if (nFeeNeeded == 0) {
|
|
int estimateFoundTarget = nConfirmTarget;
|
|
nFeeNeeded = pool.estimateSmartFee(nConfirmTarget, &estimateFoundTarget).GetFee(nTxBytes);
|
|
// ... unless we don't have enough mempool data for estimatefee, then use fallbackFee
|
|
if (nFeeNeeded == 0)
|
|
nFeeNeeded = fallbackFee.GetFee(nTxBytes);
|
|
}
|
|
// prevent user from paying a fee below minRelayTxFee or minTxFee
|
|
nFeeNeeded = std::max(nFeeNeeded, GetRequiredFee(nTxBytes));
|
|
// But always obey the maximum
|
|
if (nFeeNeeded > maxTxFee)
|
|
nFeeNeeded = maxTxFee;
|
|
return nFeeNeeded;
|
|
}
|
|
|
|
|
|
|
|
|
|
DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
|
|
{
|
|
if (!fFileBacked)
|
|
return DB_LOAD_OK;
|
|
fFirstRunRet = false;
|
|
DBErrors nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this);
|
|
if (nLoadWalletRet == DB_NEED_REWRITE)
|
|
{
|
|
if (CDB::Rewrite(strWalletFile, "\x04pool"))
|
|
{
|
|
LOCK(cs_wallet);
|
|
setKeyPool.clear();
|
|
// Note: can't top-up keypool here, because wallet is locked.
|
|
// User will be prompted to unlock wallet the next operation
|
|
// that requires a new key.
|
|
}
|
|
}
|
|
|
|
if (nLoadWalletRet != DB_LOAD_OK)
|
|
return nLoadWalletRet;
|
|
fFirstRunRet = !vchDefaultKey.IsValid();
|
|
|
|
uiInterface.LoadWallet(this);
|
|
|
|
return DB_LOAD_OK;
|
|
}
|
|
|
|
|
|
DBErrors CWallet::ZapWalletTx(std::vector<CWalletTx>& vWtx)
|
|
{
|
|
if (!fFileBacked)
|
|
return DB_LOAD_OK;
|
|
DBErrors nZapWalletTxRet = CWalletDB(strWalletFile,"cr+").ZapWalletTx(this, vWtx);
|
|
if (nZapWalletTxRet == DB_NEED_REWRITE)
|
|
{
|
|
if (CDB::Rewrite(strWalletFile, "\x04pool"))
|
|
{
|
|
LOCK(cs_wallet);
|
|
setKeyPool.clear();
|
|
// Note: can't top-up keypool here, because wallet is locked.
|
|
// User will be prompted to unlock wallet the next operation
|
|
// that requires a new key.
|
|
}
|
|
}
|
|
|
|
if (nZapWalletTxRet != DB_LOAD_OK)
|
|
return nZapWalletTxRet;
|
|
|
|
return DB_LOAD_OK;
|
|
}
|
|
|
|
|
|
bool CWallet::SetAddressBook(const CTxDestination& address, const string& strName, const string& strPurpose)
|
|
{
|
|
bool fUpdated = false;
|
|
{
|
|
LOCK(cs_wallet); // mapAddressBook
|
|
std::map<CTxDestination, CAddressBookData>::iterator mi = mapAddressBook.find(address);
|
|
fUpdated = mi != mapAddressBook.end();
|
|
mapAddressBook[address].name = strName;
|
|
if (!strPurpose.empty()) /* update purpose only if requested */
|
|
mapAddressBook[address].purpose = strPurpose;
|
|
}
|
|
NotifyAddressBookChanged(this, address, strName, ::IsMine(*this, address) != ISMINE_NO,
|
|
strPurpose, (fUpdated ? CT_UPDATED : CT_NEW) );
|
|
if (!fFileBacked)
|
|
return false;
|
|
if (!strPurpose.empty() && !CWalletDB(strWalletFile).WritePurpose(CBitcoinAddress(address).ToString(), strPurpose))
|
|
return false;
|
|
return CWalletDB(strWalletFile).WriteName(CBitcoinAddress(address).ToString(), strName);
|
|
}
|
|
|
|
bool CWallet::DelAddressBook(const CTxDestination& address)
|
|
{
|
|
{
|
|
LOCK(cs_wallet); // mapAddressBook
|
|
|
|
if(fFileBacked)
|
|
{
|
|
// Delete destdata tuples associated with address
|
|
std::string strAddress = CBitcoinAddress(address).ToString();
|
|
BOOST_FOREACH(const PAIRTYPE(string, string) &item, mapAddressBook[address].destdata)
|
|
{
|
|
CWalletDB(strWalletFile).EraseDestData(strAddress, item.first);
|
|
}
|
|
}
|
|
mapAddressBook.erase(address);
|
|
}
|
|
|
|
NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address) != ISMINE_NO, "", CT_DELETED);
|
|
|
|
if (!fFileBacked)
|
|
return false;
|
|
CWalletDB(strWalletFile).ErasePurpose(CBitcoinAddress(address).ToString());
|
|
return CWalletDB(strWalletFile).EraseName(CBitcoinAddress(address).ToString());
|
|
}
|
|
|
|
bool CWallet::SetDefaultKey(const CPubKey &vchPubKey)
|
|
{
|
|
if (fFileBacked)
|
|
{
|
|
if (!CWalletDB(strWalletFile).WriteDefaultKey(vchPubKey))
|
|
return false;
|
|
}
|
|
vchDefaultKey = vchPubKey;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Mark old keypool keys as used,
|
|
* and generate all new keys
|
|
*/
|
|
bool CWallet::NewKeyPool()
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
CWalletDB walletdb(strWalletFile);
|
|
BOOST_FOREACH(int64_t nIndex, setKeyPool)
|
|
walletdb.ErasePool(nIndex);
|
|
setKeyPool.clear();
|
|
|
|
if (IsLocked())
|
|
return false;
|
|
|
|
int64_t nKeys = max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t)0);
|
|
for (int i = 0; i < nKeys; i++)
|
|
{
|
|
int64_t nIndex = i+1;
|
|
walletdb.WritePool(nIndex, CKeyPool(GenerateNewKey()));
|
|
setKeyPool.insert(nIndex);
|
|
}
|
|
LogPrintf("CWallet::NewKeyPool wrote %d new keys\n", nKeys);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::TopUpKeyPool(unsigned int kpSize)
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
if (IsLocked())
|
|
return false;
|
|
|
|
CWalletDB walletdb(strWalletFile);
|
|
|
|
// Top up key pool
|
|
unsigned int nTargetSize;
|
|
if (kpSize > 0)
|
|
nTargetSize = kpSize;
|
|
else
|
|
nTargetSize = max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t) 0);
|
|
|
|
while (setKeyPool.size() < (nTargetSize + 1))
|
|
{
|
|
int64_t 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);
|
|
LogPrintf("keypool added key %d, size=%u\n", nEnd, setKeyPool.size());
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool)
|
|
{
|
|
nIndex = -1;
|
|
keypool.vchPubKey = CPubKey();
|
|
{
|
|
LOCK(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(keypool.vchPubKey.GetID()))
|
|
throw runtime_error("ReserveKeyFromKeyPool(): unknown key in key pool");
|
|
assert(keypool.vchPubKey.IsValid());
|
|
LogPrintf("keypool reserve %d\n", nIndex);
|
|
}
|
|
}
|
|
|
|
void CWallet::KeepKey(int64_t nIndex)
|
|
{
|
|
// Remove from key pool
|
|
if (fFileBacked)
|
|
{
|
|
CWalletDB walletdb(strWalletFile);
|
|
walletdb.ErasePool(nIndex);
|
|
}
|
|
LogPrintf("keypool keep %d\n", nIndex);
|
|
}
|
|
|
|
void CWallet::ReturnKey(int64_t nIndex)
|
|
{
|
|
// Return to key pool
|
|
{
|
|
LOCK(cs_wallet);
|
|
setKeyPool.insert(nIndex);
|
|
}
|
|
LogPrintf("keypool return %d\n", nIndex);
|
|
}
|
|
|
|
bool CWallet::GetKeyFromPool(CPubKey& result)
|
|
{
|
|
int64_t nIndex = 0;
|
|
CKeyPool keypool;
|
|
{
|
|
LOCK(cs_wallet);
|
|
ReserveKeyFromKeyPool(nIndex, keypool);
|
|
if (nIndex == -1)
|
|
{
|
|
if (IsLocked()) return false;
|
|
result = GenerateNewKey();
|
|
return true;
|
|
}
|
|
KeepKey(nIndex);
|
|
result = keypool.vchPubKey;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
int64_t CWallet::GetOldestKeyPoolTime()
|
|
{
|
|
int64_t nIndex = 0;
|
|
CKeyPool keypool;
|
|
ReserveKeyFromKeyPool(nIndex, keypool);
|
|
if (nIndex == -1)
|
|
return GetTime();
|
|
ReturnKey(nIndex);
|
|
return keypool.nTime;
|
|
}
|
|
|
|
std::map<CTxDestination, CAmount> CWallet::GetAddressBalances()
|
|
{
|
|
map<CTxDestination, CAmount> balances;
|
|
|
|
{
|
|
LOCK(cs_wallet);
|
|
BOOST_FOREACH(PAIRTYPE(uint256, CWalletTx) walletEntry, mapWallet)
|
|
{
|
|
CWalletTx *pcoin = &walletEntry.second;
|
|
|
|
if (!CheckFinalTx(*pcoin) || !pcoin->IsTrusted())
|
|
continue;
|
|
|
|
if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
|
|
continue;
|
|
|
|
int nDepth = pcoin->GetDepthInMainChain();
|
|
if (nDepth < (pcoin->IsFromMe(ISMINE_ALL) ? 0 : 1))
|
|
continue;
|
|
|
|
for (unsigned int i = 0; i < pcoin->vout.size(); i++)
|
|
{
|
|
CTxDestination addr;
|
|
if (!IsMine(pcoin->vout[i]))
|
|
continue;
|
|
if(!ExtractDestination(pcoin->vout[i].scriptPubKey, addr))
|
|
continue;
|
|
|
|
CAmount n = IsSpent(walletEntry.first, i) ? 0 : pcoin->vout[i].nValue;
|
|
|
|
if (!balances.count(addr))
|
|
balances[addr] = 0;
|
|
balances[addr] += n;
|
|
}
|
|
}
|
|
}
|
|
|
|
return balances;
|
|
}
|
|
|
|
set< set<CTxDestination> > CWallet::GetAddressGroupings()
|
|
{
|
|
AssertLockHeld(cs_wallet); // mapWallet
|
|
set< set<CTxDestination> > groupings;
|
|
set<CTxDestination> grouping;
|
|
|
|
BOOST_FOREACH(PAIRTYPE(uint256, CWalletTx) walletEntry, mapWallet)
|
|
{
|
|
CWalletTx *pcoin = &walletEntry.second;
|
|
|
|
if (pcoin->vin.size() > 0)
|
|
{
|
|
bool any_mine = false;
|
|
// group all input addresses with each other
|
|
BOOST_FOREACH(CTxIn txin, pcoin->vin)
|
|
{
|
|
CTxDestination address;
|
|
if(!IsMine(txin)) /* If this input isn't mine, ignore it */
|
|
continue;
|
|
if(!ExtractDestination(mapWallet[txin.prevout.hash].vout[txin.prevout.n].scriptPubKey, address))
|
|
continue;
|
|
grouping.insert(address);
|
|
any_mine = true;
|
|
}
|
|
|
|
// group change with input addresses
|
|
if (any_mine)
|
|
{
|
|
BOOST_FOREACH(CTxOut txout, pcoin->vout)
|
|
if (IsChange(txout))
|
|
{
|
|
CTxDestination txoutAddr;
|
|
if(!ExtractDestination(txout.scriptPubKey, txoutAddr))
|
|
continue;
|
|
grouping.insert(txoutAddr);
|
|
}
|
|
}
|
|
if (grouping.size() > 0)
|
|
{
|
|
groupings.insert(grouping);
|
|
grouping.clear();
|
|
}
|
|
}
|
|
|
|
// group lone addrs by themselves
|
|
for (unsigned int i = 0; i < pcoin->vout.size(); i++)
|
|
if (IsMine(pcoin->vout[i]))
|
|
{
|
|
CTxDestination address;
|
|
if(!ExtractDestination(pcoin->vout[i].scriptPubKey, address))
|
|
continue;
|
|
grouping.insert(address);
|
|
groupings.insert(grouping);
|
|
grouping.clear();
|
|
}
|
|
}
|
|
|
|
set< set<CTxDestination>* > uniqueGroupings; // a set of pointers to groups of addresses
|
|
map< CTxDestination, set<CTxDestination>* > setmap; // map addresses to the unique group containing it
|
|
BOOST_FOREACH(set<CTxDestination> grouping, groupings)
|
|
{
|
|
// make a set of all the groups hit by this new group
|
|
set< set<CTxDestination>* > hits;
|
|
map< CTxDestination, set<CTxDestination>* >::iterator it;
|
|
BOOST_FOREACH(CTxDestination address, grouping)
|
|
if ((it = setmap.find(address)) != setmap.end())
|
|
hits.insert((*it).second);
|
|
|
|
// merge all hit groups into a new single group and delete old groups
|
|
set<CTxDestination>* merged = new set<CTxDestination>(grouping);
|
|
BOOST_FOREACH(set<CTxDestination>* hit, hits)
|
|
{
|
|
merged->insert(hit->begin(), hit->end());
|
|
uniqueGroupings.erase(hit);
|
|
delete hit;
|
|
}
|
|
uniqueGroupings.insert(merged);
|
|
|
|
// update setmap
|
|
BOOST_FOREACH(CTxDestination element, *merged)
|
|
setmap[element] = merged;
|
|
}
|
|
|
|
set< set<CTxDestination> > ret;
|
|
BOOST_FOREACH(set<CTxDestination>* uniqueGrouping, uniqueGroupings)
|
|
{
|
|
ret.insert(*uniqueGrouping);
|
|
delete uniqueGrouping;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::set<CTxDestination> CWallet::GetAccountAddresses(const std::string& strAccount) const
|
|
{
|
|
LOCK(cs_wallet);
|
|
set<CTxDestination> result;
|
|
BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, mapAddressBook)
|
|
{
|
|
const CTxDestination& address = item.first;
|
|
const string& strName = item.second.name;
|
|
if (strName == strAccount)
|
|
result.insert(address);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool CReserveKey::GetReservedKey(CPubKey& pubkey)
|
|
{
|
|
if (nIndex == -1)
|
|
{
|
|
CKeyPool keypool;
|
|
pwallet->ReserveKeyFromKeyPool(nIndex, keypool);
|
|
if (nIndex != -1)
|
|
vchPubKey = keypool.vchPubKey;
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
assert(vchPubKey.IsValid());
|
|
pubkey = vchPubKey;
|
|
return true;
|
|
}
|
|
|
|
void CReserveKey::KeepKey()
|
|
{
|
|
if (nIndex != -1)
|
|
pwallet->KeepKey(nIndex);
|
|
nIndex = -1;
|
|
vchPubKey = CPubKey();
|
|
}
|
|
|
|
void CReserveKey::ReturnKey()
|
|
{
|
|
if (nIndex != -1)
|
|
pwallet->ReturnKey(nIndex);
|
|
nIndex = -1;
|
|
vchPubKey = CPubKey();
|
|
}
|
|
|
|
void CWallet::GetAllReserveKeys(set<CKeyID>& setAddress) const
|
|
{
|
|
setAddress.clear();
|
|
|
|
CWalletDB walletdb(strWalletFile);
|
|
|
|
LOCK2(cs_main, cs_wallet);
|
|
BOOST_FOREACH(const int64_t& id, setKeyPool)
|
|
{
|
|
CKeyPool keypool;
|
|
if (!walletdb.ReadPool(id, keypool))
|
|
throw runtime_error("GetAllReserveKeyHashes(): read failed");
|
|
assert(keypool.vchPubKey.IsValid());
|
|
CKeyID keyID = keypool.vchPubKey.GetID();
|
|
if (!HaveKey(keyID))
|
|
throw runtime_error("GetAllReserveKeyHashes(): unknown key in key pool");
|
|
setAddress.insert(keyID);
|
|
}
|
|
}
|
|
|
|
void CWallet::UpdatedTransaction(const uint256 &hashTx)
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
// Only notify UI if this transaction is in this wallet
|
|
map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(hashTx);
|
|
if (mi != mapWallet.end())
|
|
NotifyTransactionChanged(this, hashTx, CT_UPDATED);
|
|
}
|
|
}
|
|
|
|
void CWallet::GetScriptForMining(boost::shared_ptr<CReserveScript> &script)
|
|
{
|
|
boost::shared_ptr<CReserveKey> rKey(new CReserveKey(this));
|
|
CPubKey pubkey;
|
|
if (!rKey->GetReservedKey(pubkey))
|
|
return;
|
|
|
|
script = rKey;
|
|
script->reserveScript = CScript() << ToByteVector(pubkey) << OP_CHECKSIG;
|
|
}
|
|
|
|
void CWallet::LockCoin(COutPoint& output)
|
|
{
|
|
AssertLockHeld(cs_wallet); // setLockedCoins
|
|
setLockedCoins.insert(output);
|
|
}
|
|
|
|
void CWallet::UnlockCoin(COutPoint& output)
|
|
{
|
|
AssertLockHeld(cs_wallet); // setLockedCoins
|
|
setLockedCoins.erase(output);
|
|
}
|
|
|
|
void CWallet::UnlockAllCoins()
|
|
{
|
|
AssertLockHeld(cs_wallet); // setLockedCoins
|
|
setLockedCoins.clear();
|
|
}
|
|
|
|
bool CWallet::IsLockedCoin(uint256 hash, unsigned int n) const
|
|
{
|
|
AssertLockHeld(cs_wallet); // setLockedCoins
|
|
COutPoint outpt(hash, n);
|
|
|
|
return (setLockedCoins.count(outpt) > 0);
|
|
}
|
|
|
|
void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts)
|
|
{
|
|
AssertLockHeld(cs_wallet); // setLockedCoins
|
|
for (std::set<COutPoint>::iterator it = setLockedCoins.begin();
|
|
it != setLockedCoins.end(); it++) {
|
|
COutPoint outpt = (*it);
|
|
vOutpts.push_back(outpt);
|
|
}
|
|
}
|
|
|
|
/** @} */ // end of Actions
|
|
|
|
class CAffectedKeysVisitor : public boost::static_visitor<void> {
|
|
private:
|
|
const CKeyStore &keystore;
|
|
std::vector<CKeyID> &vKeys;
|
|
|
|
public:
|
|
CAffectedKeysVisitor(const CKeyStore &keystoreIn, std::vector<CKeyID> &vKeysIn) : keystore(keystoreIn), vKeys(vKeysIn) {}
|
|
|
|
void Process(const CScript &script) {
|
|
txnouttype type;
|
|
std::vector<CTxDestination> vDest;
|
|
int nRequired;
|
|
if (ExtractDestinations(script, type, vDest, nRequired)) {
|
|
BOOST_FOREACH(const CTxDestination &dest, vDest)
|
|
boost::apply_visitor(*this, dest);
|
|
}
|
|
}
|
|
|
|
void operator()(const CKeyID &keyId) {
|
|
if (keystore.HaveKey(keyId))
|
|
vKeys.push_back(keyId);
|
|
}
|
|
|
|
void operator()(const CScriptID &scriptId) {
|
|
CScript script;
|
|
if (keystore.GetCScript(scriptId, script))
|
|
Process(script);
|
|
}
|
|
|
|
void operator()(const CNoDestination &none) {}
|
|
};
|
|
|
|
void CWallet::GetKeyBirthTimes(std::map<CKeyID, int64_t> &mapKeyBirth) const {
|
|
AssertLockHeld(cs_wallet); // mapKeyMetadata
|
|
mapKeyBirth.clear();
|
|
|
|
// get birth times for keys with metadata
|
|
for (std::map<CKeyID, CKeyMetadata>::const_iterator it = mapKeyMetadata.begin(); it != mapKeyMetadata.end(); it++)
|
|
if (it->second.nCreateTime)
|
|
mapKeyBirth[it->first] = it->second.nCreateTime;
|
|
|
|
// map in which we'll infer heights of other keys
|
|
CBlockIndex *pindexMax = chainActive[std::max(0, chainActive.Height() - 144)]; // the tip can be reorganised; use a 144-block safety margin
|
|
std::map<CKeyID, CBlockIndex*> mapKeyFirstBlock;
|
|
std::set<CKeyID> setKeys;
|
|
GetKeys(setKeys);
|
|
BOOST_FOREACH(const CKeyID &keyid, setKeys) {
|
|
if (mapKeyBirth.count(keyid) == 0)
|
|
mapKeyFirstBlock[keyid] = pindexMax;
|
|
}
|
|
setKeys.clear();
|
|
|
|
// if there are no such keys, we're done
|
|
if (mapKeyFirstBlock.empty())
|
|
return;
|
|
|
|
// find first block that affects those keys, if there are any left
|
|
std::vector<CKeyID> vAffected;
|
|
for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); it++) {
|
|
// iterate over all wallet transactions...
|
|
const CWalletTx &wtx = (*it).second;
|
|
BlockMap::const_iterator blit = mapBlockIndex.find(wtx.hashBlock);
|
|
if (blit != mapBlockIndex.end() && chainActive.Contains(blit->second)) {
|
|
// ... which are already in a block
|
|
int nHeight = blit->second->nHeight;
|
|
BOOST_FOREACH(const CTxOut &txout, wtx.vout) {
|
|
// iterate over all their outputs
|
|
CAffectedKeysVisitor(*this, vAffected).Process(txout.scriptPubKey);
|
|
BOOST_FOREACH(const CKeyID &keyid, vAffected) {
|
|
// ... and all their affected keys
|
|
std::map<CKeyID, CBlockIndex*>::iterator rit = mapKeyFirstBlock.find(keyid);
|
|
if (rit != mapKeyFirstBlock.end() && nHeight < rit->second->nHeight)
|
|
rit->second = blit->second;
|
|
}
|
|
vAffected.clear();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Extract block timestamps for those keys
|
|
for (std::map<CKeyID, CBlockIndex*>::const_iterator it = mapKeyFirstBlock.begin(); it != mapKeyFirstBlock.end(); it++)
|
|
mapKeyBirth[it->first] = it->second->GetBlockTime() - 7200; // block times can be 2h off
|
|
}
|
|
|
|
bool CWallet::AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
|
|
{
|
|
if (boost::get<CNoDestination>(&dest))
|
|
return false;
|
|
|
|
mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
|
|
if (!fFileBacked)
|
|
return true;
|
|
return CWalletDB(strWalletFile).WriteDestData(CBitcoinAddress(dest).ToString(), key, value);
|
|
}
|
|
|
|
bool CWallet::EraseDestData(const CTxDestination &dest, const std::string &key)
|
|
{
|
|
if (!mapAddressBook[dest].destdata.erase(key))
|
|
return false;
|
|
if (!fFileBacked)
|
|
return true;
|
|
return CWalletDB(strWalletFile).EraseDestData(CBitcoinAddress(dest).ToString(), key);
|
|
}
|
|
|
|
bool CWallet::LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
|
|
{
|
|
mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const
|
|
{
|
|
std::map<CTxDestination, CAddressBookData>::const_iterator i = mapAddressBook.find(dest);
|
|
if(i != mapAddressBook.end())
|
|
{
|
|
CAddressBookData::StringMap::const_iterator j = i->second.destdata.find(key);
|
|
if(j != i->second.destdata.end())
|
|
{
|
|
if(value)
|
|
*value = j->second;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
std::string CWallet::GetWalletHelpString(bool showDebug)
|
|
{
|
|
std::string strUsage = HelpMessageGroup(_("Wallet options:"));
|
|
strUsage += HelpMessageOpt("-disablewallet", _("Do not load the wallet and disable wallet RPC calls"));
|
|
strUsage += HelpMessageOpt("-keypool=<n>", strprintf(_("Set key pool size to <n> (default: %u)"), DEFAULT_KEYPOOL_SIZE));
|
|
strUsage += HelpMessageOpt("-fallbackfee=<amt>", strprintf(_("A fee rate (in %s/kB) that will be used when fee estimation has insufficient data (default: %s)"),
|
|
CURRENCY_UNIT, FormatMoney(DEFAULT_FALLBACK_FEE)));
|
|
strUsage += HelpMessageOpt("-mintxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for transaction creation (default: %s)"),
|
|
CURRENCY_UNIT, FormatMoney(DEFAULT_TRANSACTION_MINFEE)));
|
|
strUsage += HelpMessageOpt("-paytxfee=<amt>", strprintf(_("Fee (in %s/kB) to add to transactions you send (default: %s)"),
|
|
CURRENCY_UNIT, FormatMoney(payTxFee.GetFeePerK())));
|
|
strUsage += HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions on startup"));
|
|
strUsage += HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet on startup"));
|
|
strUsage += HelpMessageOpt("-sendfreetransactions", strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), DEFAULT_SEND_FREE_TRANSACTIONS));
|
|
strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), DEFAULT_SPEND_ZEROCONF_CHANGE));
|
|
strUsage += HelpMessageOpt("-txconfirmtarget=<n>", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), DEFAULT_TX_CONFIRM_TARGET));
|
|
strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format on startup"));
|
|
strUsage += HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), DEFAULT_WALLET_DAT));
|
|
strUsage += HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), DEFAULT_WALLETBROADCAST));
|
|
strUsage += HelpMessageOpt("-walletnotify=<cmd>", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)"));
|
|
strUsage += HelpMessageOpt("-zapwallettxes=<mode>", _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") +
|
|
" " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)"));
|
|
|
|
if (showDebug)
|
|
{
|
|
strUsage += HelpMessageGroup(_("Wallet debugging/testing options:"));
|
|
|
|
strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf("Flush wallet database activity from memory to disk log every <n> megabytes (default: %u)", DEFAULT_WALLET_DBLOGSIZE));
|
|
strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", DEFAULT_FLUSHWALLET));
|
|
strUsage += HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", DEFAULT_WALLET_PRIVDB));
|
|
}
|
|
|
|
return strUsage;
|
|
}
|
|
|
|
CWallet* CWallet::InitLoadWallet(bool fDisableWallet, const std::string& strWalletFile, std::string& warningString, std::string& errorString)
|
|
{
|
|
// needed to restore wallet transaction meta data after -zapwallettxes
|
|
std::vector<CWalletTx> vWtx;
|
|
|
|
if (GetBoolArg("-zapwallettxes", false)) {
|
|
uiInterface.InitMessage(_("Zapping all transactions from wallet..."));
|
|
|
|
CWallet *tempWallet = new CWallet(strWalletFile);
|
|
DBErrors nZapWalletRet = tempWallet->ZapWalletTx(vWtx);
|
|
if (nZapWalletRet != DB_LOAD_OK) {
|
|
errorString = strprintf(_("Error loading %s: Wallet corrupted"), strWalletFile);
|
|
uiInterface.InitMessage(strprintf(_("Error loading %s: Wallet corrupted"), strWalletFile));
|
|
return NULL;
|
|
}
|
|
|
|
delete tempWallet;
|
|
tempWallet = NULL;
|
|
}
|
|
|
|
uiInterface.InitMessage(_("Loading wallet..."));
|
|
|
|
int64_t nStart = GetTimeMillis();
|
|
bool fFirstRun = true;
|
|
CWallet *walletInstance = new CWallet(strWalletFile);
|
|
DBErrors nLoadWalletRet = walletInstance->LoadWallet(fFirstRun);
|
|
if (nLoadWalletRet != DB_LOAD_OK)
|
|
{
|
|
if (nLoadWalletRet == DB_CORRUPT)
|
|
errorString += strprintf(_("Error loading %s: Wallet corrupted"), strWalletFile) + "\n";
|
|
else if (nLoadWalletRet == DB_NONCRITICAL_ERROR)
|
|
{
|
|
warningString += strprintf(_("Error reading %s! All keys read correctly, but transaction data"
|
|
" or address book entries might be missing or incorrect."),
|
|
strWalletFile);
|
|
}
|
|
else if (nLoadWalletRet == DB_TOO_NEW)
|
|
errorString += strprintf(_("Error loading %s: Wallet requires newer version of %s"),
|
|
strWalletFile, _(PACKAGE_NAME)) +
|
|
"\n";
|
|
else if (nLoadWalletRet == DB_NEED_REWRITE)
|
|
{
|
|
errorString += strprintf(_("Wallet needed to be rewritten: restart %s to complete"), _(PACKAGE_NAME)) + "\n";
|
|
LogPrintf("%s", errorString);
|
|
}
|
|
else
|
|
errorString += strprintf(_("Error loading %s"), strWalletFile) + "\n";
|
|
|
|
if (!errorString.empty())
|
|
return NULL;
|
|
}
|
|
|
|
if (GetBoolArg("-upgradewallet", fFirstRun))
|
|
{
|
|
int nMaxVersion = GetArg("-upgradewallet", 0);
|
|
if (nMaxVersion == 0) // the -upgradewallet without argument case
|
|
{
|
|
LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
|
|
nMaxVersion = CLIENT_VERSION;
|
|
walletInstance->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately
|
|
}
|
|
else
|
|
LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion);
|
|
if (nMaxVersion < walletInstance->GetVersion())
|
|
{
|
|
errorString += _("Cannot downgrade wallet") + "\n";
|
|
return NULL;
|
|
}
|
|
walletInstance->SetMaxVersion(nMaxVersion);
|
|
}
|
|
|
|
if (fFirstRun)
|
|
{
|
|
// Create new keyUser and set as default key
|
|
RandAddSeedPerfmon();
|
|
|
|
CPubKey newDefaultKey;
|
|
if (walletInstance->GetKeyFromPool(newDefaultKey)) {
|
|
walletInstance->SetDefaultKey(newDefaultKey);
|
|
if (!walletInstance->SetAddressBook(walletInstance->vchDefaultKey.GetID(), "", "receive"))
|
|
{
|
|
errorString += _("Cannot write default address") += "\n";
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
walletInstance->SetBestChain(chainActive.GetLocator());
|
|
}
|
|
|
|
LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart);
|
|
|
|
RegisterValidationInterface(walletInstance);
|
|
|
|
CBlockIndex *pindexRescan = chainActive.Tip();
|
|
if (GetBoolArg("-rescan", false))
|
|
pindexRescan = chainActive.Genesis();
|
|
else
|
|
{
|
|
CWalletDB walletdb(strWalletFile);
|
|
CBlockLocator locator;
|
|
if (walletdb.ReadBestBlock(locator))
|
|
pindexRescan = FindForkInGlobalIndex(chainActive, locator);
|
|
else
|
|
pindexRescan = chainActive.Genesis();
|
|
}
|
|
if (chainActive.Tip() && chainActive.Tip() != pindexRescan)
|
|
{
|
|
//We can't rescan beyond non-pruned blocks, stop and throw an error
|
|
//this might happen if a user uses a old wallet within a pruned node
|
|
// or if he ran -disablewallet for a longer time, then decided to re-enable
|
|
if (fPruneMode)
|
|
{
|
|
CBlockIndex *block = chainActive.Tip();
|
|
while (block && block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA) && block->pprev->nTx > 0 && pindexRescan != block)
|
|
block = block->pprev;
|
|
|
|
if (pindexRescan != block)
|
|
{
|
|
errorString = _("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
uiInterface.InitMessage(_("Rescanning..."));
|
|
LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive.Height() - pindexRescan->nHeight, pindexRescan->nHeight);
|
|
nStart = GetTimeMillis();
|
|
walletInstance->ScanForWalletTransactions(pindexRescan, true);
|
|
LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart);
|
|
walletInstance->SetBestChain(chainActive.GetLocator());
|
|
nWalletDBUpdated++;
|
|
|
|
// Restore wallet transaction metadata after -zapwallettxes=1
|
|
if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2")
|
|
{
|
|
CWalletDB walletdb(strWalletFile);
|
|
|
|
BOOST_FOREACH(const CWalletTx& wtxOld, vWtx)
|
|
{
|
|
uint256 hash = wtxOld.GetHash();
|
|
std::map<uint256, CWalletTx>::iterator mi = walletInstance->mapWallet.find(hash);
|
|
if (mi != walletInstance->mapWallet.end())
|
|
{
|
|
const CWalletTx* copyFrom = &wtxOld;
|
|
CWalletTx* copyTo = &mi->second;
|
|
copyTo->mapValue = copyFrom->mapValue;
|
|
copyTo->vOrderForm = copyFrom->vOrderForm;
|
|
copyTo->nTimeReceived = copyFrom->nTimeReceived;
|
|
copyTo->nTimeSmart = copyFrom->nTimeSmart;
|
|
copyTo->fFromMe = copyFrom->fFromMe;
|
|
copyTo->strFromAccount = copyFrom->strFromAccount;
|
|
copyTo->nOrderPos = copyFrom->nOrderPos;
|
|
copyTo->WriteToDisk(&walletdb);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
walletInstance->SetBroadcastTransactions(GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST));
|
|
|
|
return walletInstance;
|
|
}
|
|
|
|
CKeyPool::CKeyPool()
|
|
{
|
|
nTime = GetTime();
|
|
}
|
|
|
|
CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn)
|
|
{
|
|
nTime = GetTime();
|
|
vchPubKey = vchPubKeyIn;
|
|
}
|
|
|
|
CWalletKey::CWalletKey(int64_t nExpires)
|
|
{
|
|
nTimeCreated = (nExpires ? GetTime() : 0);
|
|
nTimeExpires = nExpires;
|
|
}
|
|
|
|
int CMerkleTx::SetMerkleBranch(const CBlock& block)
|
|
{
|
|
AssertLockHeld(cs_main);
|
|
CBlock blockTmp;
|
|
|
|
// Update the tx's hashBlock
|
|
hashBlock = block.GetHash();
|
|
|
|
// Locate the transaction
|
|
for (nIndex = 0; nIndex < (int)block.vtx.size(); nIndex++)
|
|
if (block.vtx[nIndex] == *(CTransaction*)this)
|
|
break;
|
|
if (nIndex == (int)block.vtx.size())
|
|
{
|
|
nIndex = -1;
|
|
LogPrintf("ERROR: SetMerkleBranch(): couldn't find tx in block\n");
|
|
return 0;
|
|
}
|
|
|
|
// Is the tx in a block that's in the main chain
|
|
BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
|
|
if (mi == mapBlockIndex.end())
|
|
return 0;
|
|
const CBlockIndex* pindex = (*mi).second;
|
|
if (!pindex || !chainActive.Contains(pindex))
|
|
return 0;
|
|
|
|
return chainActive.Height() - pindex->nHeight + 1;
|
|
}
|
|
|
|
int CMerkleTx::GetDepthInMainChain(const CBlockIndex* &pindexRet) const
|
|
{
|
|
if (hashUnset())
|
|
return 0;
|
|
|
|
AssertLockHeld(cs_main);
|
|
|
|
// Find the block it claims to be in
|
|
BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
|
|
if (mi == mapBlockIndex.end())
|
|
return 0;
|
|
CBlockIndex* pindex = (*mi).second;
|
|
if (!pindex || !chainActive.Contains(pindex))
|
|
return 0;
|
|
|
|
pindexRet = pindex;
|
|
return ((nIndex == -1) ? (-1) : 1) * (chainActive.Height() - pindex->nHeight + 1);
|
|
}
|
|
|
|
int CMerkleTx::GetBlocksToMaturity() const
|
|
{
|
|
if (!IsCoinBase())
|
|
return 0;
|
|
return max(0, (COINBASE_MATURITY+1) - GetDepthInMainChain());
|
|
}
|
|
|
|
|
|
bool CMerkleTx::AcceptToMemoryPool(bool fLimitFree, CAmount nAbsurdFee)
|
|
{
|
|
CValidationState state;
|
|
return ::AcceptToMemoryPool(mempool, state, *this, fLimitFree, NULL, false, nAbsurdFee);
|
|
}
|