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-rw-r--r--src/chainparams.cpp8
-rw-r--r--src/chainparams.h4
-rw-r--r--src/init.cpp11
-rw-r--r--src/main.cpp16
-rw-r--r--src/main.h2
-rw-r--r--src/net.cpp69
-rw-r--r--src/net.h5
-rw-r--r--src/qt/forms/receiverequestdialog.ui2
-rw-r--r--src/qt/guiconstants.h2
-rw-r--r--src/qt/receiverequestdialog.cpp22
-rw-r--r--src/qt/receiverequestdialog.h1
-rw-r--r--src/rpc/rawtransaction.cpp9
-rw-r--r--src/wallet/wallet.cpp97
-rw-r--r--src/wallet/wallet.h12
-rw-r--r--src/wallet/walletdb.cpp17
-rw-r--r--src/wallet/walletdb.h32
16 files changed, 266 insertions, 43 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 0005115671..8c27a578bb 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -16,14 +16,6 @@
#include "chainparamsseeds.h"
-std::string CDNSSeedData::getHost(uint64_t requiredServiceBits) const {
- //use default host for non-filter-capable seeds or if we use the default service bits (NODE_NETWORK)
- if (!supportsServiceBitsFiltering || requiredServiceBits == NODE_NETWORK)
- return host;
-
- return strprintf("x%x.%s", requiredServiceBits, host);
-}
-
static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
{
CMutableTransaction txNew;
diff --git a/src/chainparams.h b/src/chainparams.h
index 7168daaf43..638893e9ad 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -13,11 +13,9 @@
#include <vector>
-class CDNSSeedData {
-public:
+struct CDNSSeedData {
std::string name, host;
bool supportsServiceBitsFiltering;
- std::string getHost(uint64_t requiredServiceBits) const;
CDNSSeedData(const std::string &strName, const std::string &strHost, bool supportsServiceBitsFilteringIn = false) : name(strName), host(strHost), supportsServiceBitsFiltering(supportsServiceBitsFilteringIn) {}
};
diff --git a/src/init.cpp b/src/init.cpp
index c2ba9ae44b..b572bfc327 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -479,11 +479,20 @@ std::string HelpMessage(HelpMessageMode mode)
std::string LicenseInfo()
{
+ const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
+ const std::string URL_WEBSITE = "<https://bitcoincore.org>";
// todo: remove urls from translations on next change
return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR) + " ") + "\n" +
"\n" +
- _("This is experimental software.") + "\n" +
+ strprintf(_("Please contribute if you find %s useful. "
+ "Visit %s for further information about the software."),
+ PACKAGE_NAME, URL_WEBSITE) +
+ "\n" +
+ strprintf(_("The source code is available from %s."),
+ URL_SOURCE_CODE) +
"\n" +
+ "\n" +
+ _("This is experimental software.") + "\n" +
_("Distributed under the MIT software license, see the accompanying file COPYING or <http://www.opensource.org/licenses/mit-license.php>.") + "\n" +
"\n" +
_("This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit <https://www.openssl.org/> and cryptographic software written by Eric Young and UPnP software written by Thomas Bernard.") +
diff --git a/src/main.cpp b/src/main.cpp
index 62012bf567..bdb3457f8e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3449,8 +3449,9 @@ static bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state
}
/** Store block on disk. If dbp is non-NULL, the file is known to already reside on disk */
-static bool AcceptBlock(const CBlock& block, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex, bool fRequested, const CDiskBlockPos* dbp)
+static bool AcceptBlock(const CBlock& block, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex, bool fRequested, const CDiskBlockPos* dbp, bool* fNewBlock)
{
+ if (fNewBlock) *fNewBlock = false;
AssertLockHeld(cs_main);
CBlockIndex *pindexDummy = NULL;
@@ -3479,6 +3480,7 @@ static bool AcceptBlock(const CBlock& block, CValidationState& state, const CCha
if (!fHasMoreWork) return true; // Don't process less-work chains
if (fTooFarAhead) return true; // Block height is too high
}
+ if (fNewBlock) *fNewBlock = true;
if ((!CheckBlock(block, state, chainparams.GetConsensus(), GetAdjustedTime())) || !ContextualCheckBlock(block, state, pindex->pprev)) {
if (state.IsInvalid() && !state.CorruptionPossible()) {
@@ -3526,7 +3528,7 @@ static bool IsSuperMajority(int minVersion, const CBlockIndex* pstart, unsigned
}
-bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, const CNode* pfrom, const CBlock* pblock, bool fForceProcessing, const CDiskBlockPos* dbp)
+bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, CNode* pfrom, const CBlock* pblock, bool fForceProcessing, const CDiskBlockPos* dbp)
{
{
LOCK(cs_main);
@@ -3535,9 +3537,11 @@ bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, c
// Store to disk
CBlockIndex *pindex = NULL;
- bool ret = AcceptBlock(*pblock, state, chainparams, &pindex, fRequested, dbp);
+ bool fNewBlock = false;
+ bool ret = AcceptBlock(*pblock, state, chainparams, &pindex, fRequested, dbp, &fNewBlock);
if (pindex && pfrom) {
mapBlockSource[pindex->GetBlockHash()] = pfrom->GetId();
+ if (fNewBlock) pfrom->nLastBlockTime = GetTime();
}
CheckBlockIndex(chainparams.GetConsensus());
if (!ret)
@@ -4107,7 +4111,7 @@ bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, CDiskB
if (mapBlockIndex.count(hash) == 0 || (mapBlockIndex[hash]->nStatus & BLOCK_HAVE_DATA) == 0) {
LOCK(cs_main);
CValidationState state;
- if (AcceptBlock(block, state, chainparams, NULL, true, dbp))
+ if (AcceptBlock(block, state, chainparams, NULL, true, dbp, NULL))
nLoaded++;
if (state.IsError())
break;
@@ -4140,7 +4144,7 @@ bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, CDiskB
head.ToString());
LOCK(cs_main);
CValidationState dummy;
- if (AcceptBlock(block, dummy, chainparams, NULL, true, &it->second))
+ if (AcceptBlock(block, dummy, chainparams, NULL, true, &it->second, NULL))
{
nLoaded++;
queue.push_back(block.GetHash());
@@ -5058,6 +5062,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
RelayTransaction(tx);
vWorkQueue.push_back(inv.hash);
+ pfrom->nLastTXTime = GetTime();
+
LogPrint("mempool", "AcceptToMemoryPool: peer=%d: accepted %s (poolsz %u txn, %u kB)\n",
pfrom->id,
tx.GetHash().ToString(),
diff --git a/src/main.h b/src/main.h
index 9b99ae7c87..e2bfdfdf6e 100644
--- a/src/main.h
+++ b/src/main.h
@@ -215,7 +215,7 @@ void UnregisterNodeSignals(CNodeSignals& nodeSignals);
* @param[out] dbp The already known disk position of pblock, or NULL if not yet stored.
* @return True if state.IsValid()
*/
-bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, const CNode* pfrom, const CBlock* pblock, bool fForceProcessing, const CDiskBlockPos* dbp);
+bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, CNode* pfrom, const CBlock* pblock, bool fForceProcessing, const CDiskBlockPos* dbp);
/** Check whether enough disk space is available for an incoming block */
bool CheckDiskSpace(uint64_t nAdditionalBytes = 0);
/** Open a block file (blk?????.dat) */
diff --git a/src/net.cpp b/src/net.cpp
index 30a6bc896d..4eca3d75cc 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -861,6 +861,11 @@ struct NodeEvictionCandidate
NodeId id;
int64_t nTimeConnected;
int64_t nMinPingUsecTime;
+ int64_t nLastBlockTime;
+ int64_t nLastTXTime;
+ bool fNetworkNode;
+ bool fRelayTxes;
+ bool fBloomFilter;
CAddress addr;
uint64_t nKeyedNetGroup;
};
@@ -877,7 +882,24 @@ static bool ReverseCompareNodeTimeConnected(const NodeEvictionCandidate &a, cons
static bool CompareNetGroupKeyed(const NodeEvictionCandidate &a, const NodeEvictionCandidate &b) {
return a.nKeyedNetGroup < b.nKeyedNetGroup;
-};
+}
+
+static bool CompareNodeBlockTime(const NodeEvictionCandidate &a, const NodeEvictionCandidate &b)
+{
+ // There is a fall-through here because it is common for a node to have many peers which have not yet relayed a block.
+ if (a.nLastBlockTime != b.nLastBlockTime) return a.nLastBlockTime < b.nLastBlockTime;
+ if (a.fNetworkNode != b.fNetworkNode) return b.fNetworkNode;
+ return a.nTimeConnected > b.nTimeConnected;
+}
+
+static bool CompareNodeTXTime(const NodeEvictionCandidate &a, const NodeEvictionCandidate &b)
+{
+ // There is a fall-through here because it is common for a node to have more than a few peers that have not yet relayed txn.
+ if (a.nLastTXTime != b.nLastTXTime) return a.nLastTXTime < b.nLastTXTime;
+ if (a.fRelayTxes != b.fRelayTxes) return b.fRelayTxes;
+ if (a.fBloomFilter != b.fBloomFilter) return a.fBloomFilter;
+ return a.nTimeConnected > b.nTimeConnected;
+}
/** Try to find a connection to evict when the node is full.
* Extreme care must be taken to avoid opening the node to attacker
@@ -887,7 +909,7 @@ static bool CompareNetGroupKeyed(const NodeEvictionCandidate &a, const NodeEvict
* to forge. In order to partition a node the attacker must be
* simultaneously better at all of them than honest peers.
*/
-static bool AttemptToEvictConnection(bool fPreferNewConnection) {
+static bool AttemptToEvictConnection() {
std::vector<NodeEvictionCandidate> vEvictionCandidates;
{
LOCK(cs_vNodes);
@@ -899,7 +921,9 @@ static bool AttemptToEvictConnection(bool fPreferNewConnection) {
continue;
if (node->fDisconnect)
continue;
- NodeEvictionCandidate candidate = {node->id, node->nTimeConnected, node->nMinPingUsecTime, node->addr, node->nKeyedNetGroup};
+ NodeEvictionCandidate candidate = {node->id, node->nTimeConnected, node->nMinPingUsecTime,
+ node->nLastBlockTime, node->nLastTXTime, node->fNetworkNode,
+ node->fRelayTxes, node->pfilter != NULL, node->addr, node->nKeyedNetGroup};
vEvictionCandidates.push_back(candidate);
}
}
@@ -922,6 +946,20 @@ static bool AttemptToEvictConnection(bool fPreferNewConnection) {
if (vEvictionCandidates.empty()) return false;
+ // Protect 4 nodes that most recently sent us transactions.
+ // An attacker cannot manipulate this metric without performing useful work.
+ std::sort(vEvictionCandidates.begin(), vEvictionCandidates.end(), CompareNodeTXTime);
+ vEvictionCandidates.erase(vEvictionCandidates.end() - std::min(4, static_cast<int>(vEvictionCandidates.size())), vEvictionCandidates.end());
+
+ if (vEvictionCandidates.empty()) return false;
+
+ // Protect 4 nodes that most recently sent us blocks.
+ // An attacker cannot manipulate this metric without performing useful work.
+ std::sort(vEvictionCandidates.begin(), vEvictionCandidates.end(), CompareNodeBlockTime);
+ vEvictionCandidates.erase(vEvictionCandidates.end() - std::min(4, static_cast<int>(vEvictionCandidates.size())), vEvictionCandidates.end());
+
+ if (vEvictionCandidates.empty()) return false;
+
// Protect the half of the remaining nodes which have been connected the longest.
// This replicates the non-eviction implicit behavior, and precludes attacks that start later.
std::sort(vEvictionCandidates.begin(), vEvictionCandidates.end(), ReverseCompareNodeTimeConnected);
@@ -950,13 +988,6 @@ static bool AttemptToEvictConnection(bool fPreferNewConnection) {
// Reduce to the network group with the most connections
vEvictionCandidates = std::move(mapAddrCounts[naMostConnections]);
- // Do not disconnect peers if there is only one unprotected connection from their network group.
- // This step excessively favors netgroup diversity, and should be removed once more protective criteria are established.
- if (vEvictionCandidates.size() <= 1)
- // unless we prefer the new connection (for whitelisted peers)
- if (!fPreferNewConnection)
- return false;
-
// Disconnect from the network group with the most connections
NodeId evicted = vEvictionCandidates.front().id;
LOCK(cs_vNodes);
@@ -1022,7 +1053,7 @@ static void AcceptConnection(const ListenSocket& hListenSocket) {
if (nInbound >= nMaxInbound)
{
- if (!AttemptToEvictConnection(whitelisted)) {
+ if (!AttemptToEvictConnection()) {
// No connection to evict, disconnect the new connection
LogPrint("net", "failed to find an eviction candidate - connection dropped (full)\n");
CloseSocket(hSocket);
@@ -1435,6 +1466,18 @@ void MapPort(bool)
+static std::string GetDNSHost(const CDNSSeedData& data, ServiceFlags* requiredServiceBits)
+{
+ //use default host for non-filter-capable seeds or if we use the default service bits (NODE_NETWORK)
+ if (!data.supportsServiceBitsFiltering || *requiredServiceBits == NODE_NETWORK) {
+ *requiredServiceBits = NODE_NETWORK;
+ return data.host;
+ }
+
+ return strprintf("x%x.%s", *requiredServiceBits, data.host);
+}
+
+
void ThreadDNSAddressSeed()
{
// goal: only query DNS seeds if address need is acute
@@ -1461,7 +1504,7 @@ void ThreadDNSAddressSeed()
std::vector<CNetAddr> vIPs;
std::vector<CAddress> vAdd;
ServiceFlags requiredServiceBits = nRelevantServices;
- if (LookupHost(seed.getHost(requiredServiceBits).c_str(), vIPs, 0, true))
+ if (LookupHost(GetDNSHost(seed, &requiredServiceBits).c_str(), vIPs, 0, true))
{
BOOST_FOREACH(const CNetAddr& ip, vIPs)
{
@@ -2399,6 +2442,8 @@ CNode::CNode(SOCKET hSocketIn, const CAddress& addrIn, const std::string& addrNa
fSentAddr = false;
pfilter = new CBloomFilter();
timeLastMempoolReq = 0;
+ nLastBlockTime = 0;
+ nLastTXTime = 0;
nPingNonceSent = 0;
nPingUsecStart = 0;
nPingUsecTime = 0;
diff --git a/src/net.h b/src/net.h
index 54a86d88dc..67b95fe0e4 100644
--- a/src/net.h
+++ b/src/net.h
@@ -419,6 +419,11 @@ public:
// Last time a "MEMPOOL" request was serviced.
std::atomic<int64_t> timeLastMempoolReq;
+
+ // Block and TXN accept times
+ std::atomic<int64_t> nLastBlockTime;
+ std::atomic<int64_t> nLastTXTime;
+
// Ping time measurement:
// The pong reply we're expecting, or 0 if no pong expected.
uint64_t nPingNonceSent;
diff --git a/src/qt/forms/receiverequestdialog.ui b/src/qt/forms/receiverequestdialog.ui
index 1e484dd9a0..4163f4189c 100644
--- a/src/qt/forms/receiverequestdialog.ui
+++ b/src/qt/forms/receiverequestdialog.ui
@@ -22,7 +22,7 @@
<property name="minimumSize">
<size>
<width>300</width>
- <height>300</height>
+ <height>320</height>
</size>
</property>
<property name="toolTip">
diff --git a/src/qt/guiconstants.h b/src/qt/guiconstants.h
index 4b2c10dd48..bab9923d20 100644
--- a/src/qt/guiconstants.h
+++ b/src/qt/guiconstants.h
@@ -43,7 +43,7 @@ static const int TOOLTIP_WRAP_THRESHOLD = 80;
static const int MAX_URI_LENGTH = 255;
/* QRCodeDialog -- size of exported QR Code image */
-#define EXPORT_IMAGE_SIZE 256
+#define QR_IMAGE_SIZE 300
/* Number of frames in spinner animation */
#define SPINNER_FRAMES 36
diff --git a/src/qt/receiverequestdialog.cpp b/src/qt/receiverequestdialog.cpp
index a1e9156eea..b13ea3df70 100644
--- a/src/qt/receiverequestdialog.cpp
+++ b/src/qt/receiverequestdialog.cpp
@@ -45,7 +45,7 @@ QImage QRImageWidget::exportImage()
{
if(!pixmap())
return QImage();
- return pixmap()->toImage().scaled(EXPORT_IMAGE_SIZE, EXPORT_IMAGE_SIZE);
+ return pixmap()->toImage();
}
void QRImageWidget::mousePressEvent(QMouseEvent *event)
@@ -166,20 +166,32 @@ void ReceiveRequestDialog::update()
ui->lblQRCode->setText(tr("Error encoding URI into QR Code."));
return;
}
- QImage myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
- myImage.fill(0xffffff);
+ QImage qrImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
+ qrImage.fill(0xffffff);
unsigned char *p = code->data;
for (int y = 0; y < code->width; y++)
{
for (int x = 0; x < code->width; x++)
{
- myImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
+ qrImage.setPixel(x + 4, y + 4, ((*p & 1) ? 0x0 : 0xffffff));
p++;
}
}
QRcode_free(code);
- ui->lblQRCode->setPixmap(QPixmap::fromImage(myImage).scaled(300, 300));
+ QImage qrAddrImage = QImage(QR_IMAGE_SIZE, QR_IMAGE_SIZE+20, QImage::Format_RGB32);
+ qrAddrImage.fill(0xffffff);
+ QPainter painter(&qrAddrImage);
+ painter.drawImage(0, 0, qrImage.scaled(QR_IMAGE_SIZE, QR_IMAGE_SIZE));
+ QFont font = GUIUtil::fixedPitchFont();
+ font.setPixelSize(12);
+ painter.setFont(font);
+ QRect paddedRect = qrAddrImage.rect();
+ paddedRect.setHeight(QR_IMAGE_SIZE+12);
+ painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, info.address);
+ painter.end();
+
+ ui->lblQRCode->setPixmap(QPixmap::fromImage(qrAddrImage));
ui->btnSaveAs->setEnabled(true);
}
}
diff --git a/src/qt/receiverequestdialog.h b/src/qt/receiverequestdialog.h
index 4cab4caff1..676745a858 100644
--- a/src/qt/receiverequestdialog.h
+++ b/src/qt/receiverequestdialog.h
@@ -10,6 +10,7 @@
#include <QDialog>
#include <QImage>
#include <QLabel>
+#include <QPainter>
class OptionsModel;
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 992914f88c..9723e394d6 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -388,8 +388,13 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp)
// set the sequence number if passed in the parameters object
const UniValue& sequenceObj = find_value(o, "sequence");
- if (sequenceObj.isNum())
- nSequence = sequenceObj.get_int();
+ if (sequenceObj.isNum()) {
+ int64_t seqNr64 = sequenceObj.get_int64();
+ if (seqNr64 < 0 || seqNr64 > std::numeric_limits<uint32_t>::max())
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, sequence number is out of range");
+ else
+ nSequence = (uint32_t)seqNr64;
+ }
CTxIn in(COutPoint(txid, nOutput), CScript(), nSequence);
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 9faf21591f..723b2eceff 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -42,6 +42,7 @@ bool bSpendZeroConfChange = DEFAULT_SPEND_ZEROCONF_CHANGE;
bool fSendFreeTransactions = DEFAULT_SEND_FREE_TRANSACTIONS;
const char * DEFAULT_WALLET_DAT = "wallet.dat";
+const uint32_t BIP32_HARDENED_KEY_LIMIT = 0x80000000;
/**
* Fees smaller than this (in satoshi) are considered zero fee (for transaction creation)
@@ -91,7 +92,51 @@ CPubKey CWallet::GenerateNewKey()
bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
CKey secret;
- secret.MakeNewKey(fCompressed);
+
+ // Create new metadata
+ int64_t nCreationTime = GetTime();
+ CKeyMetadata metadata(nCreationTime);
+
+ // use HD key derivation if HD was enabled during wallet creation
+ if (!hdChain.masterKeyID.IsNull()) {
+ // for now we use a fixed keypath scheme of m/0'/0'/k
+ CKey key; //master key seed (256bit)
+ CExtKey masterKey; //hd master key
+ CExtKey accountKey; //key at m/0'
+ CExtKey externalChainChildKey; //key at m/0'/0'
+ CExtKey childKey; //key at m/0'/0'/<n>'
+
+ // try to get the master key
+ if (!GetKey(hdChain.masterKeyID, key))
+ throw std::runtime_error("CWallet::GenerateNewKey(): Master key not found");
+
+ masterKey.SetMaster(key.begin(), key.size());
+
+ // derive m/0'
+ // use hardened derivation (child keys >= 0x80000000 are hardened after bip32)
+ masterKey.Derive(accountKey, BIP32_HARDENED_KEY_LIMIT);
+
+ // derive m/0'/0'
+ accountKey.Derive(externalChainChildKey, BIP32_HARDENED_KEY_LIMIT);
+
+ // derive child key at next index, skip keys already known to the wallet
+ do
+ {
+ // always derive hardened keys
+ // childIndex | BIP32_HARDENED_KEY_LIMIT = derive childIndex in hardened child-index-range
+ // example: 1 | BIP32_HARDENED_KEY_LIMIT == 0x80000001 == 2147483649
+ externalChainChildKey.Derive(childKey, hdChain.nExternalChainCounter | BIP32_HARDENED_KEY_LIMIT);
+ // increment childkey index
+ hdChain.nExternalChainCounter++;
+ } while(HaveKey(childKey.key.GetPubKey().GetID()));
+ secret = childKey.key;
+
+ // update the chain model in the database
+ if (!CWalletDB(strWalletFile).WriteHDChain(hdChain))
+ throw std::runtime_error("CWallet::GenerateNewKey(): Writing HD chain model failed");
+ } else {
+ secret.MakeNewKey(fCompressed);
+ }
// Compressed public keys were introduced in version 0.6.0
if (fCompressed)
@@ -100,9 +145,7 @@ CPubKey CWallet::GenerateNewKey()
CPubKey pubkey = secret.GetPubKey();
assert(secret.VerifyPubKey(pubkey));
- // Create new metadata
- int64_t nCreationTime = GetTime();
- mapKeyMetadata[pubkey.GetID()] = CKeyMetadata(nCreationTime);
+ mapKeyMetadata[pubkey.GetID()] = metadata;
if (!nTimeFirstKey || nCreationTime < nTimeFirstKey)
nTimeFirstKey = nCreationTime;
@@ -1121,6 +1164,37 @@ CAmount CWallet::GetChange(const CTransaction& tx) const
return nChange;
}
+bool CWallet::SetHDMasterKey(const CKey& key)
+{
+ LOCK(cs_wallet);
+
+ // store the key as normal "key"/"ckey" object
+ // in the database
+ // key metadata is not required
+ CPubKey pubkey = key.GetPubKey();
+ if (!AddKeyPubKey(key, pubkey))
+ throw std::runtime_error("CWallet::GenerateNewKey(): AddKey failed");
+
+ // store the keyid (hash160) together with
+ // the child index counter in the database
+ // as a hdchain object
+ CHDChain newHdChain;
+ newHdChain.masterKeyID = pubkey.GetID();
+ SetHDChain(newHdChain, false);
+
+ return true;
+}
+
+bool CWallet::SetHDChain(const CHDChain& chain, bool memonly)
+{
+ LOCK(cs_wallet);
+ if (!memonly && !CWalletDB(strWalletFile).WriteHDChain(chain))
+ throw runtime_error("AddHDChain(): writing chain failed");
+
+ hdChain = chain;
+ return true;
+}
+
int64_t CWalletTx::GetTxTime() const
{
int64_t n = nTimeSmart;
@@ -3135,6 +3209,7 @@ std::string CWallet::GetWalletHelpString(bool showDebug)
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("-usehd", _("Use hierarchical deterministic key generation (HD) after bip32. Only has effect during wallet creation/first start") + " " + strprintf(_("(default: %u)"), DEFAULT_USE_HD_WALLET));
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));
@@ -3222,6 +3297,13 @@ bool CWallet::InitLoadWallet()
if (fFirstRun)
{
// Create new keyUser and set as default key
+ if (GetBoolArg("-usehd", DEFAULT_USE_HD_WALLET)) {
+ // generate a new master key
+ CKey key;
+ key.MakeNewKey(true);
+ if (!walletInstance->SetHDMasterKey(key))
+ throw std::runtime_error("CWallet::GenerateNewKey(): Storing master key failed");
+ }
CPubKey newDefaultKey;
if (walletInstance->GetKeyFromPool(newDefaultKey)) {
walletInstance->SetDefaultKey(newDefaultKey);
@@ -3231,6 +3313,13 @@ bool CWallet::InitLoadWallet()
walletInstance->SetBestChain(chainActive.GetLocator());
}
+ else if (mapArgs.count("-usehd")) {
+ bool useHD = GetBoolArg("-usehd", DEFAULT_USE_HD_WALLET);
+ if (!walletInstance->hdChain.masterKeyID.IsNull() && !useHD)
+ return InitError(strprintf(_("Error loading %s: You can't disable HD on a already existing HD wallet"), walletFile));
+ if (walletInstance->hdChain.masterKeyID.IsNull() && useHD)
+ return InitError(strprintf(_("Error loading %s: You can't enable HD on a already existing non-HD wallet"), walletFile));
+ }
LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart);
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 683c901444..7fc6ce5de5 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -57,6 +57,9 @@ static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 2;
static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 1000;
static const bool DEFAULT_WALLETBROADCAST = true;
+//! if set, all keys will be derived by using BIP32
+static const bool DEFAULT_USE_HD_WALLET = true;
+
extern const char * DEFAULT_WALLET_DAT;
class CBlockIndex;
@@ -574,6 +577,9 @@ private:
void SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator>);
+ /* the hd chain data model (external chain counters) */
+ CHDChain hdChain;
+
public:
/*
* Main wallet lock.
@@ -889,6 +895,12 @@ public:
static bool ParameterInteraction();
bool BackupWallet(const std::string& strDest);
+
+ /* Set the hd chain model (chain child index counters) */
+ bool SetHDChain(const CHDChain& chain, bool memonly);
+
+ /* Set the current hd master key (will reset the chain child index counters) */
+ bool SetHDMasterKey(const CKey& key);
};
/** A key allocated from the key pool. */
diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index b5037c9a65..7bfd490950 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -599,6 +599,16 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
return false;
}
}
+ else if (strType == "hdchain")
+ {
+ CHDChain chain;
+ ssValue >> chain;
+ if (!pwallet->SetHDChain(chain, true))
+ {
+ strErr = "Error reading wallet database: SetHDChain failed";
+ return false;
+ }
+ }
} catch (...)
{
return false;
@@ -1003,3 +1013,10 @@ bool CWalletDB::EraseDestData(const std::string &address, const std::string &key
nWalletDBUpdated++;
return Erase(std::make_pair(std::string("destdata"), std::make_pair(address, key)));
}
+
+
+bool CWalletDB::WriteHDChain(const CHDChain& chain)
+{
+ nWalletDBUpdated++;
+ return Write(std::string("hdchain"), chain);
+}
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index 00c10ea70f..71b0ff26db 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -40,6 +40,35 @@ enum DBErrors
DB_NEED_REWRITE
};
+/* simple hd chain data model */
+class CHDChain
+{
+public:
+ uint32_t nExternalChainCounter;
+ CKeyID masterKeyID; //!< master key hash160
+
+ static const int CURRENT_VERSION = 1;
+ int nVersion;
+
+ CHDChain() { SetNull(); }
+ ADD_SERIALIZE_METHODS;
+ template <typename Stream, typename Operation>
+ inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion)
+ {
+ READWRITE(this->nVersion);
+ nVersion = this->nVersion;
+ READWRITE(nExternalChainCounter);
+ READWRITE(masterKeyID);
+ }
+
+ void SetNull()
+ {
+ nVersion = CHDChain::CURRENT_VERSION;
+ nExternalChainCounter = 0;
+ masterKeyID.SetNull();
+ }
+};
+
class CKeyMetadata
{
public:
@@ -134,6 +163,9 @@ public:
static bool Recover(CDBEnv& dbenv, const std::string& filename, bool fOnlyKeys);
static bool Recover(CDBEnv& dbenv, const std::string& filename);
+ //! write the hdchain model (external chain child index counter)
+ bool WriteHDChain(const CHDChain& chain);
+
private:
CWalletDB(const CWalletDB&);
void operator=(const CWalletDB&);
generated by cgit v1.2.3 (git 2.26.2) at 2024-10-12 10:21:01 +0000