diff options
Diffstat (limited to 'src/wallet/wallet.cpp')
| -rw-r--r-- | src/wallet/wallet.cpp | 428 |
1 files changed, 297 insertions, 131 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index e8b21b3d6f..bb7be2df33 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -34,7 +34,6 @@ #include <future> #include <boost/algorithm/string/replace.hpp> -#include <boost/thread.hpp> std::vector<CWalletRef> vpwallets; /** Transaction fee set by the user */ @@ -42,6 +41,9 @@ CFeeRate payTxFee(DEFAULT_TRANSACTION_FEE); unsigned int nTxConfirmTarget = DEFAULT_TX_CONFIRM_TARGET; bool bSpendZeroConfChange = DEFAULT_SPEND_ZEROCONF_CHANGE; bool fWalletRbf = DEFAULT_WALLET_RBF; +OutputType g_address_type = OUTPUT_TYPE_NONE; +OutputType g_change_type = OUTPUT_TYPE_NONE; +bool g_wallet_allow_fallback_fee = true; //<! will be defined via chainparams const char * DEFAULT_WALLET_DAT = "wallet.dat"; const uint32_t BIP32_HARDENED_KEY_LIMIT = 0x80000000; @@ -529,14 +531,11 @@ void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> ran int nMinOrderPos = std::numeric_limits<int>::max(); const CWalletTx* copyFrom = nullptr; - for (TxSpends::iterator it = range.first; it != range.second; ++it) - { - const uint256& hash = it->second; - int n = mapWallet[hash].nOrderPos; - if (n < nMinOrderPos) - { - nMinOrderPos = n; - copyFrom = &mapWallet[hash]; + for (TxSpends::iterator it = range.first; it != range.second; ++it) { + const CWalletTx* wtx = &mapWallet[it->second]; + if (wtx->nOrderPos < nMinOrderPos) { + nMinOrderPos = wtx->nOrderPos;; + copyFrom = wtx; } } @@ -821,7 +820,7 @@ bool CWallet::AccountMove(std::string strFrom, std::string strTo, CAmount nAmoun return true; } -bool CWallet::GetAccountPubkey(CPubKey &pubKey, std::string strAccount, bool bForceNew) +bool CWallet::GetAccountDestination(CTxDestination &dest, std::string strAccount, bool bForceNew) { CWalletDB walletdb(*dbw); @@ -832,8 +831,8 @@ bool CWallet::GetAccountPubkey(CPubKey &pubKey, std::string strAccount, bool bFo if (!account.vchPubKey.IsValid()) bForceNew = true; else { - // Check if the current key has been used - CScript scriptPubKey = GetScriptForDestination(account.vchPubKey.GetID()); + // Check if the current key has been used (TODO: check other addresses with the same key) + CScript scriptPubKey = GetScriptForDestination(GetDestinationForKey(account.vchPubKey, g_address_type)); for (std::map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end() && account.vchPubKey.IsValid(); ++it) @@ -850,12 +849,14 @@ bool CWallet::GetAccountPubkey(CPubKey &pubKey, std::string strAccount, bool bFo if (!GetKeyFromPool(account.vchPubKey, false)) return false; - SetAddressBook(account.vchPubKey.GetID(), strAccount, "receive"); + LearnRelatedScripts(account.vchPubKey, g_address_type); + dest = GetDestinationForKey(account.vchPubKey, g_address_type); + SetAddressBook(dest, strAccount, "receive"); walletdb.WriteAccount(strAccount, account); + } else { + dest = GetDestinationForKey(account.vchPubKey, g_address_type); } - pubKey = account.vchPubKey; - return true; } @@ -975,7 +976,8 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose) if (!strCmd.empty()) { boost::replace_all(strCmd, "%s", wtxIn.GetHash().GetHex()); - boost::thread t(runCommand, strCmd); // thread runs free + std::thread t(runCommand, strCmd); + t.detach(); // thread runs free } return true; @@ -984,9 +986,7 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose) bool CWallet::LoadToWallet(const CWalletTx& wtxIn) { uint256 hash = wtxIn.GetHash(); - - mapWallet[hash] = wtxIn; - CWalletTx& wtx = mapWallet[hash]; + CWalletTx& wtx = mapWallet.emplace(hash, wtxIn).first->second; wtx.BindWallet(this); wtxOrdered.insert(std::make_pair(wtx.nOrderPos, TxPair(&wtx, nullptr))); AddToSpends(hash); @@ -1079,7 +1079,7 @@ bool CWallet::TransactionCanBeAbandoned(const uint256& hashTx) const { LOCK2(cs_main, cs_wallet); const CWalletTx* wtx = GetWalletTx(hashTx); - return wtx && !wtx->isAbandoned() && wtx->GetDepthInMainChain() <= 0 && !wtx->InMempool(); + return wtx && !wtx->isAbandoned() && wtx->GetDepthInMainChain() == 0 && !wtx->InMempool(); } bool CWallet::AbandonTransaction(const uint256& hashTx) @@ -1095,7 +1095,7 @@ bool CWallet::AbandonTransaction(const uint256& hashTx) auto it = mapWallet.find(hashTx); assert(it != mapWallet.end()); CWalletTx& origtx = it->second; - if (origtx.GetDepthInMainChain() > 0 || origtx.InMempool()) { + if (origtx.GetDepthInMainChain() != 0 || origtx.InMempool()) { return false; } @@ -1608,19 +1608,20 @@ void CWalletTx::GetAmounts(std::list<COutputEntry>& listReceived, * @return Earliest timestamp that could be successfully scanned from. Timestamp * returned will be higher than startTime if relevant blocks could not be read. */ -int64_t CWallet::RescanFromTime(int64_t startTime, bool update) +int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& reserver, bool update) { - AssertLockHeld(cs_main); - AssertLockHeld(cs_wallet); - // Find starting block. May be null if nCreateTime is greater than the // highest blockchain timestamp, in which case there is nothing that needs // to be scanned. - CBlockIndex* const startBlock = chainActive.FindEarliestAtLeast(startTime - TIMESTAMP_WINDOW); - LogPrintf("%s: Rescanning last %i blocks\n", __func__, startBlock ? chainActive.Height() - startBlock->nHeight + 1 : 0); + CBlockIndex* startBlock = nullptr; + { + LOCK(cs_main); + startBlock = chainActive.FindEarliestAtLeast(startTime - TIMESTAMP_WINDOW); + LogPrintf("%s: Rescanning last %i blocks\n", __func__, startBlock ? chainActive.Height() - startBlock->nHeight + 1 : 0); + } if (startBlock) { - const CBlockIndex* const failedBlock = ScanForWalletTransactions(startBlock, nullptr, update); + const CBlockIndex* const failedBlock = ScanForWalletTransactions(startBlock, nullptr, reserver, update); if (failedBlock) { return failedBlock->GetBlockTimeMax() + TIMESTAMP_WINDOW + 1; } @@ -1639,12 +1640,17 @@ int64_t CWallet::RescanFromTime(int64_t startTime, bool update) * * If pindexStop is not a nullptr, the scan will stop at the block-index * defined by pindexStop + * + * Caller needs to make sure pindexStop (and the optional pindexStart) are on + * the main chain after to the addition of any new keys you want to detect + * transactions for. */ -CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, CBlockIndex* pindexStop, bool fUpdate) +CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, CBlockIndex* pindexStop, const WalletRescanReserver &reserver, bool fUpdate) { int64_t nNow = GetTime(); const CChainParams& chainParams = Params(); + assert(reserver.isReserved()); if (pindexStop) { assert(pindexStop->nHeight >= pindexStart->nHeight); } @@ -1652,24 +1658,37 @@ CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, CBlock CBlockIndex* pindex = pindexStart; CBlockIndex* ret = nullptr; { - LOCK2(cs_main, cs_wallet); fAbortRescan = false; - fScanningWallet = true; - ShowProgress(_("Rescanning..."), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup - double dProgressStart = GuessVerificationProgress(chainParams.TxData(), pindex); - double dProgressTip = GuessVerificationProgress(chainParams.TxData(), chainActive.Tip()); + CBlockIndex* tip = nullptr; + double dProgressStart; + double dProgressTip; + { + LOCK(cs_main); + tip = chainActive.Tip(); + dProgressStart = GuessVerificationProgress(chainParams.TxData(), pindex); + dProgressTip = GuessVerificationProgress(chainParams.TxData(), tip); + } + double gvp = dProgressStart; while (pindex && !fAbortRescan) { - if (pindex->nHeight % 100 == 0 && dProgressTip - dProgressStart > 0.0) - ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((GuessVerificationProgress(chainParams.TxData(), pindex) - dProgressStart) / (dProgressTip - dProgressStart) * 100)))); + if (pindex->nHeight % 100 == 0 && dProgressTip - dProgressStart > 0.0) { + ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((gvp - dProgressStart) / (dProgressTip - dProgressStart) * 100)))); + } if (GetTime() >= nNow + 60) { nNow = GetTime(); - LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, GuessVerificationProgress(chainParams.TxData(), pindex)); + LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, gvp); } CBlock block; if (ReadBlockFromDisk(block, pindex, Params().GetConsensus())) { + LOCK2(cs_main, cs_wallet); + if (pindex && !chainActive.Contains(pindex)) { + // Abort scan if current block is no longer active, to prevent + // marking transactions as coming from the wrong block. + ret = pindex; + break; + } for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) { AddToWalletIfInvolvingMe(block.vtx[posInBlock], pindex, posInBlock, fUpdate); } @@ -1679,14 +1698,21 @@ CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, CBlock if (pindex == pindexStop) { break; } - pindex = chainActive.Next(pindex); + { + LOCK(cs_main); + pindex = chainActive.Next(pindex); + gvp = GuessVerificationProgress(chainParams.TxData(), pindex); + if (tip != chainActive.Tip()) { + tip = chainActive.Tip(); + // in case the tip has changed, update progress max + dProgressTip = GuessVerificationProgress(chainParams.TxData(), tip); + } + } } if (pindex && fAbortRescan) { - LogPrintf("Rescan aborted at block %d. Progress=%f\n", pindex->nHeight, GuessVerificationProgress(chainParams.TxData(), pindex)); + LogPrintf("Rescan aborted at block %d. Progress=%f\n", pindex->nHeight, gvp); } ShowProgress(_("Rescanning..."), 100); // hide progress dialog in GUI - - fScanningWallet = false; } return ret; } @@ -2169,111 +2195,109 @@ CAmount CWallet::GetAvailableBalance(const CCoinControl* coinControl) const void CWallet::AvailableCoins(std::vector<COutput> &vCoins, bool fOnlySafe, const CCoinControl *coinControl, const CAmount &nMinimumAmount, const CAmount &nMaximumAmount, const CAmount &nMinimumSumAmount, const uint64_t nMaximumCount, const int nMinDepth, const int nMaxDepth) const { + AssertLockHeld(cs_main); + AssertLockHeld(cs_wallet); + vCoins.clear(); + CAmount nTotal = 0; + for (const auto& entry : mapWallet) { - LOCK2(cs_main, cs_wallet); + const uint256& wtxid = entry.first; + const CWalletTx* pcoin = &entry.second; - CAmount nTotal = 0; + if (!CheckFinalTx(*pcoin->tx)) + continue; - for (const auto& entry : mapWallet) - { - const uint256& wtxid = entry.first; - const CWalletTx* pcoin = &entry.second; + if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0) + continue; - if (!CheckFinalTx(*pcoin->tx)) - continue; + int nDepth = pcoin->GetDepthInMainChain(); + if (nDepth < 0) + continue; - if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0) - continue; + // We should not consider coins which aren't at least in our mempool + // It's possible for these to be conflicted via ancestors which we may never be able to detect + if (nDepth == 0 && !pcoin->InMempool()) + continue; - int nDepth = pcoin->GetDepthInMainChain(); - if (nDepth < 0) - continue; + bool safeTx = pcoin->IsTrusted(); + + // We should not consider coins from transactions that are replacing + // other transactions. + // + // Example: There is a transaction A which is replaced by bumpfee + // transaction B. In this case, we want to prevent creation of + // a transaction B' which spends an output of B. + // + // Reason: If transaction A were initially confirmed, transactions B + // and B' would no longer be valid, so the user would have to create + // a new transaction C to replace B'. However, in the case of a + // one-block reorg, transactions B' and C might BOTH be accepted, + // when the user only wanted one of them. Specifically, there could + // be a 1-block reorg away from the chain where transactions A and C + // were accepted to another chain where B, B', and C were all + // accepted. + if (nDepth == 0 && pcoin->mapValue.count("replaces_txid")) { + safeTx = false; + } - // We should not consider coins which aren't at least in our mempool - // It's possible for these to be conflicted via ancestors which we may never be able to detect - if (nDepth == 0 && !pcoin->InMempool()) - continue; + // Similarly, we should not consider coins from transactions that + // have been replaced. In the example above, we would want to prevent + // creation of a transaction A' spending an output of A, because if + // transaction B were initially confirmed, conflicting with A and + // A', we wouldn't want to the user to create a transaction D + // intending to replace A', but potentially resulting in a scenario + // where A, A', and D could all be accepted (instead of just B and + // D, or just A and A' like the user would want). + if (nDepth == 0 && pcoin->mapValue.count("replaced_by_txid")) { + safeTx = false; + } - bool safeTx = pcoin->IsTrusted(); - - // We should not consider coins from transactions that are replacing - // other transactions. - // - // Example: There is a transaction A which is replaced by bumpfee - // transaction B. In this case, we want to prevent creation of - // a transaction B' which spends an output of B. - // - // Reason: If transaction A were initially confirmed, transactions B - // and B' would no longer be valid, so the user would have to create - // a new transaction C to replace B'. However, in the case of a - // one-block reorg, transactions B' and C might BOTH be accepted, - // when the user only wanted one of them. Specifically, there could - // be a 1-block reorg away from the chain where transactions A and C - // were accepted to another chain where B, B', and C were all - // accepted. - if (nDepth == 0 && pcoin->mapValue.count("replaces_txid")) { - safeTx = false; - } + if (fOnlySafe && !safeTx) { + continue; + } - // Similarly, we should not consider coins from transactions that - // have been replaced. In the example above, we would want to prevent - // creation of a transaction A' spending an output of A, because if - // transaction B were initially confirmed, conflicting with A and - // A', we wouldn't want to the user to create a transaction D - // intending to replace A', but potentially resulting in a scenario - // where A, A', and D could all be accepted (instead of just B and - // D, or just A and A' like the user would want). - if (nDepth == 0 && pcoin->mapValue.count("replaced_by_txid")) { - safeTx = false; - } + if (nDepth < nMinDepth || nDepth > nMaxDepth) + continue; - if (fOnlySafe && !safeTx) { + for (unsigned int i = 0; i < pcoin->tx->vout.size(); i++) { + if (pcoin->tx->vout[i].nValue < nMinimumAmount || pcoin->tx->vout[i].nValue > nMaximumAmount) continue; - } - if (nDepth < nMinDepth || nDepth > nMaxDepth) + if (coinControl && coinControl->HasSelected() && !coinControl->fAllowOtherInputs && !coinControl->IsSelected(COutPoint(entry.first, i))) continue; - for (unsigned int i = 0; i < pcoin->tx->vout.size(); i++) { - if (pcoin->tx->vout[i].nValue < nMinimumAmount || pcoin->tx->vout[i].nValue > nMaximumAmount) - continue; - - if (coinControl && coinControl->HasSelected() && !coinControl->fAllowOtherInputs && !coinControl->IsSelected(COutPoint(entry.first, i))) - continue; - - if (IsLockedCoin(entry.first, i)) - continue; - - if (IsSpent(wtxid, i)) - continue; + if (IsLockedCoin(entry.first, i)) + continue; - isminetype mine = IsMine(pcoin->tx->vout[i]); + if (IsSpent(wtxid, i)) + continue; - if (mine == ISMINE_NO) { - continue; - } + isminetype mine = IsMine(pcoin->tx->vout[i]); - bool fSpendableIn = ((mine & ISMINE_SPENDABLE) != ISMINE_NO) || (coinControl && coinControl->fAllowWatchOnly && (mine & ISMINE_WATCH_SOLVABLE) != ISMINE_NO); - bool fSolvableIn = (mine & (ISMINE_SPENDABLE | ISMINE_WATCH_SOLVABLE)) != ISMINE_NO; + if (mine == ISMINE_NO) { + continue; + } - vCoins.push_back(COutput(pcoin, i, nDepth, fSpendableIn, fSolvableIn, safeTx)); + bool fSpendableIn = ((mine & ISMINE_SPENDABLE) != ISMINE_NO) || (coinControl && coinControl->fAllowWatchOnly && (mine & ISMINE_WATCH_SOLVABLE) != ISMINE_NO); + bool fSolvableIn = (mine & (ISMINE_SPENDABLE | ISMINE_WATCH_SOLVABLE)) != ISMINE_NO; - // Checks the sum amount of all UTXO's. - if (nMinimumSumAmount != MAX_MONEY) { - nTotal += pcoin->tx->vout[i].nValue; + vCoins.push_back(COutput(pcoin, i, nDepth, fSpendableIn, fSolvableIn, safeTx)); - if (nTotal >= nMinimumSumAmount) { - return; - } - } + // Checks the sum amount of all UTXO's. + if (nMinimumSumAmount != MAX_MONEY) { + nTotal += pcoin->tx->vout[i].nValue; - // Checks the maximum number of UTXO's. - if (nMaximumCount > 0 && vCoins.size() >= nMaximumCount) { + if (nTotal >= nMinimumSumAmount) { return; } } + + // Checks the maximum number of UTXO's. + if (nMaximumCount > 0 && vCoins.size() >= nMaximumCount) { + return; + } } } } @@ -2291,11 +2315,11 @@ std::map<CTxDestination, std::vector<COutput>> CWallet::ListCoins() const // avoid adding some extra complexity to the Qt code. std::map<CTxDestination, std::vector<COutput>> result; - std::vector<COutput> availableCoins; - AvailableCoins(availableCoins); LOCK2(cs_main, cs_wallet); + AvailableCoins(availableCoins); + for (auto& coin : availableCoins) { CTxDestination address; if (coin.fSpendable && @@ -2640,6 +2664,34 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nC return true; } +OutputType CWallet::TransactionChangeType(OutputType change_type, const std::vector<CRecipient>& vecSend) +{ + // If -changetype is specified, always use that change type. + if (change_type != OUTPUT_TYPE_NONE) { + return change_type; + } + + // if g_address_type is legacy, use legacy address as change (even + // if some of the outputs are P2WPKH or P2WSH). + if (g_address_type == OUTPUT_TYPE_LEGACY) { + return OUTPUT_TYPE_LEGACY; + } + + // if any destination is P2WPKH or P2WSH, use P2WPKH for the change + // output. + for (const auto& recipient : vecSend) { + // Check if any destination contains a witness program: + int witnessversion = 0; + std::vector<unsigned char> witnessprogram; + if (recipient.scriptPubKey.IsWitnessProgram(witnessversion, witnessprogram)) { + return OUTPUT_TYPE_BECH32; + } + } + + // else use g_address_type for change + return g_address_type; +} + bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, int& nChangePosInOut, std::string& strFailReason, const CCoinControl& coin_control, bool sign) { @@ -2735,7 +2787,10 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT return false; } - scriptChange = GetScriptForDestination(vchPubKey.GetID()); + const OutputType change_type = TransactionChangeType(coin_control.change_type, vecSend); + + LearnRelatedScripts(vchPubKey, change_type); + scriptChange = GetScriptForDestination(GetDestinationForKey(vchPubKey, change_type)); } CTxOut change_prototype_txout(0, scriptChange); size_t change_prototype_size = GetSerializeSize(change_prototype_txout, SER_DISK, 0); @@ -2864,6 +2919,11 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT } nFeeNeeded = GetMinimumFee(nBytes, coin_control, ::mempool, ::feeEstimator, &feeCalc); + if (feeCalc.reason == FeeReason::FALLBACK && !g_wallet_allow_fallback_fee) { + // eventually allow a fallback fee + strFailReason = _("Fee estimation failed. Fallbackfee is disabled. Wait a few blocks or enable -fallbackfee."); + return false; + } // 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. @@ -3034,7 +3094,7 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey, CCon { // Broadcast if (!wtx.AcceptToMemoryPool(maxTxFee, state)) { - LogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", state.GetRejectReason()); + LogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", FormatStateMessage(state)); // TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure. } else { wtx.RelayWalletTransaction(connman); @@ -3624,6 +3684,7 @@ void CWallet::MarkReserveKeysAsUsed(int64_t keypool_id) if (walletdb.ReadPool(index, keypool)) { //TODO: This should be unnecessary m_pool_key_to_index.erase(keypool.vchPubKey.GetID()); } + LearnAllRelatedScripts(keypool.vchPubKey); walletdb.ErasePool(index); LogPrintf("keypool index %d removed\n", index); it = setKeyPool->erase(it); @@ -3995,7 +4056,14 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile) } nStart = GetTimeMillis(); - walletInstance->ScanForWalletTransactions(pindexRescan, nullptr, true); + { + WalletRescanReserver reserver(walletInstance); + if (!reserver.reserve()) { + InitError(_("Failed to rescan the wallet during initialization")); + return nullptr; + } + walletInstance->ScanForWalletTransactions(pindexRescan, nullptr, reserver, true); + } LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart); walletInstance->SetBestChain(chainActive.GetLocator()); walletInstance->dbw->IncrementUpdateCounter(); @@ -4113,11 +4181,6 @@ int CMerkleTx::GetBlocksToMaturity() const bool CWalletTx::AcceptToMemoryPool(const CAmount& nAbsurdFee, CValidationState& state) { - // Quick check to avoid re-setting fInMempool to false - if (mempool.exists(tx->GetHash())) { - return false; - } - // We must set fInMempool here - while it will be re-set to true by the // entered-mempool callback, if we did not there would be a race where a // user could call sendmoney in a loop and hit spurious out of funds errors @@ -4125,6 +4188,109 @@ bool CWalletTx::AcceptToMemoryPool(const CAmount& nAbsurdFee, CValidationState& // unavailable as we're not yet aware its in mempool. bool ret = ::AcceptToMemoryPool(mempool, state, tx, nullptr /* pfMissingInputs */, nullptr /* plTxnReplaced */, false /* bypass_limits */, nAbsurdFee); - fInMempool = ret; + fInMempool |= ret; return ret; } + +static const std::string OUTPUT_TYPE_STRING_LEGACY = "legacy"; +static const std::string OUTPUT_TYPE_STRING_P2SH_SEGWIT = "p2sh-segwit"; +static const std::string OUTPUT_TYPE_STRING_BECH32 = "bech32"; + +OutputType ParseOutputType(const std::string& type, OutputType default_type) +{ + if (type.empty()) { + return default_type; + } else if (type == OUTPUT_TYPE_STRING_LEGACY) { + return OUTPUT_TYPE_LEGACY; + } else if (type == OUTPUT_TYPE_STRING_P2SH_SEGWIT) { + return OUTPUT_TYPE_P2SH_SEGWIT; + } else if (type == OUTPUT_TYPE_STRING_BECH32) { + return OUTPUT_TYPE_BECH32; + } else { + return OUTPUT_TYPE_NONE; + } +} + +const std::string& FormatOutputType(OutputType type) +{ + switch (type) { + case OUTPUT_TYPE_LEGACY: return OUTPUT_TYPE_STRING_LEGACY; + case OUTPUT_TYPE_P2SH_SEGWIT: return OUTPUT_TYPE_STRING_P2SH_SEGWIT; + case OUTPUT_TYPE_BECH32: return OUTPUT_TYPE_STRING_BECH32; + default: assert(false); + } +} + +void CWallet::LearnRelatedScripts(const CPubKey& key, OutputType type) +{ + if (key.IsCompressed() && (type == OUTPUT_TYPE_P2SH_SEGWIT || type == OUTPUT_TYPE_BECH32)) { + CTxDestination witdest = WitnessV0KeyHash(key.GetID()); + CScript witprog = GetScriptForDestination(witdest); + // Make sure the resulting program is solvable. + assert(IsSolvable(*this, witprog)); + AddCScript(witprog); + } +} + +void CWallet::LearnAllRelatedScripts(const CPubKey& key) +{ + // OUTPUT_TYPE_P2SH_SEGWIT always adds all necessary scripts for all types. + LearnRelatedScripts(key, OUTPUT_TYPE_P2SH_SEGWIT); +} + +CTxDestination GetDestinationForKey(const CPubKey& key, OutputType type) +{ + switch (type) { + case OUTPUT_TYPE_LEGACY: return key.GetID(); + case OUTPUT_TYPE_P2SH_SEGWIT: + case OUTPUT_TYPE_BECH32: { + if (!key.IsCompressed()) return key.GetID(); + CTxDestination witdest = WitnessV0KeyHash(key.GetID()); + CScript witprog = GetScriptForDestination(witdest); + if (type == OUTPUT_TYPE_P2SH_SEGWIT) { + return CScriptID(witprog); + } else { + return witdest; + } + } + default: assert(false); + } +} + +std::vector<CTxDestination> GetAllDestinationsForKey(const CPubKey& key) +{ + CKeyID keyid = key.GetID(); + if (key.IsCompressed()) { + CTxDestination segwit = WitnessV0KeyHash(keyid); + CTxDestination p2sh = CScriptID(GetScriptForDestination(segwit)); + return std::vector<CTxDestination>{std::move(keyid), std::move(p2sh), std::move(segwit)}; + } else { + return std::vector<CTxDestination>{std::move(keyid)}; + } +} + +CTxDestination CWallet::AddAndGetDestinationForScript(const CScript& script, OutputType type) +{ + // Note that scripts over 520 bytes are not yet supported. + switch (type) { + case OUTPUT_TYPE_LEGACY: + return CScriptID(script); + case OUTPUT_TYPE_P2SH_SEGWIT: + case OUTPUT_TYPE_BECH32: { + WitnessV0ScriptHash hash; + CSHA256().Write(script.data(), script.size()).Finalize(hash.begin()); + CTxDestination witdest = hash; + CScript witprog = GetScriptForDestination(witdest); + // Check if the resulting program is solvable (i.e. doesn't use an uncompressed key) + if (!IsSolvable(*this, witprog)) return CScriptID(script); + // Add the redeemscript, so that P2WSH and P2SH-P2WSH outputs are recognized as ours. + AddCScript(witprog); + if (type == OUTPUT_TYPE_BECH32) { + return witdest; + } else { + return CScriptID(witprog); + } + } + default: assert(false); + } +} |