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-rw-r--r--src/wallet/rpcwallet.cpp31
-rw-r--r--src/wallet/wallet.cpp127
-rw-r--r--src/wallet/wallet.h25
-rw-r--r--src/wallet/walletdb.h8
4 files changed, 129 insertions, 62 deletions
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 84e7eb60d7..7ab01040f0 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -221,7 +221,7 @@ UniValue getrawchangeaddress(const JSONRPCRequest& request)
CReserveKey reservekey(pwallet);
CPubKey vchPubKey;
- if (!reservekey.GetReservedKey(vchPubKey))
+ if (!reservekey.GetReservedKey(vchPubKey, true))
throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");
reservekey.KeepKey();
@@ -2418,16 +2418,17 @@ UniValue getwalletinfo(const JSONRPCRequest& request)
"Returns an object containing various wallet state info.\n"
"\nResult:\n"
"{\n"
- " \"walletversion\": xxxxx, (numeric) the wallet version\n"
- " \"balance\": xxxxxxx, (numeric) the total confirmed balance of the wallet in " + CURRENCY_UNIT + "\n"
- " \"unconfirmed_balance\": xxx, (numeric) the total unconfirmed balance of the wallet in " + CURRENCY_UNIT + "\n"
- " \"immature_balance\": xxxxxx, (numeric) the total immature balance of the wallet in " + CURRENCY_UNIT + "\n"
- " \"txcount\": xxxxxxx, (numeric) the total number of transactions in the wallet\n"
- " \"keypoololdest\": xxxxxx, (numeric) the timestamp (seconds since Unix epoch) of the oldest pre-generated key in the key pool\n"
- " \"keypoolsize\": xxxx, (numeric) how many new keys are pre-generated\n"
- " \"unlocked_until\": ttt, (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
- " \"paytxfee\": x.xxxx, (numeric) the transaction fee configuration, set in " + CURRENCY_UNIT + "/kB\n"
- " \"hdmasterkeyid\": \"<hash160>\" (string) the Hash160 of the HD master pubkey\n"
+ " \"walletversion\": xxxxx, (numeric) the wallet version\n"
+ " \"balance\": xxxxxxx, (numeric) the total confirmed balance of the wallet in " + CURRENCY_UNIT + "\n"
+ " \"unconfirmed_balance\": xxx, (numeric) the total unconfirmed balance of the wallet in " + CURRENCY_UNIT + "\n"
+ " \"immature_balance\": xxxxxx, (numeric) the total immature balance of the wallet in " + CURRENCY_UNIT + "\n"
+ " \"txcount\": xxxxxxx, (numeric) the total number of transactions in the wallet\n"
+ " \"keypoololdest\": xxxxxx, (numeric) the timestamp (seconds since Unix epoch) of the oldest pre-generated key in the key pool\n"
+ " \"keypoolsize\": xxxx, (numeric) how many new keys are pre-generated\n"
+ " \"keypoolsize_hd_internal\": xxxx, (numeric) how many new keys are pre-generated for internal use (change outputs, 10% of the -keypoolsize target, only appears if HD is enabled)\n"
+ " \"unlocked_until\": ttt, (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
+ " \"paytxfee\": x.xxxx, (numeric) the transaction fee configuration, set in " + CURRENCY_UNIT + "/kB\n"
+ " \"hdmasterkeyid\": \"<hash160>\" (string) the Hash160 of the HD master pubkey\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getwalletinfo", "")
@@ -2437,18 +2438,22 @@ UniValue getwalletinfo(const JSONRPCRequest& request)
LOCK2(cs_main, pwallet->cs_wallet);
UniValue obj(UniValue::VOBJ);
+ size_t kpExternalSize = (int)pwallet->KeypoolCountExternalKeys();
obj.push_back(Pair("walletversion", pwallet->GetVersion()));
obj.push_back(Pair("balance", ValueFromAmount(pwallet->GetBalance())));
obj.push_back(Pair("unconfirmed_balance", ValueFromAmount(pwallet->GetUnconfirmedBalance())));
obj.push_back(Pair("immature_balance", ValueFromAmount(pwallet->GetImmatureBalance())));
obj.push_back(Pair("txcount", (int)pwallet->mapWallet.size()));
obj.push_back(Pair("keypoololdest", pwallet->GetOldestKeyPoolTime()));
- obj.push_back(Pair("keypoolsize", (int)pwallet->GetKeyPoolSize()));
+ obj.push_back(Pair("keypoolsize", (int64_t)kpExternalSize));
+ CKeyID masterKeyID = pwallet->GetHDChain().masterKeyID;
+ if (!masterKeyID.IsNull()) {
+ obj.push_back(Pair("keypoolsize_hd_internal", (int64_t)(pwallet->GetKeyPoolSize() - kpExternalSize)));
+ }
if (pwallet->IsCrypted()) {
obj.push_back(Pair("unlocked_until", pwallet->nRelockTime));
}
obj.push_back(Pair("paytxfee", ValueFromAmount(payTxFee.GetFeePerK())));
- CKeyID masterKeyID = pwallet->GetHDChain().masterKeyID;
if (!masterKeyID.IsNull())
obj.push_back(Pair("hdmasterkeyid", masterKeyID.GetHex()));
return obj;
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 445e40b043..71c97a4e87 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -85,7 +85,7 @@ const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
return &(it->second);
}
-CPubKey CWallet::GenerateNewKey()
+CPubKey CWallet::GenerateNewKey(bool internal)
{
AssertLockHeld(cs_wallet); // mapKeyMetadata
bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
@@ -98,7 +98,7 @@ CPubKey CWallet::GenerateNewKey()
// use HD key derivation if HD was enabled during wallet creation
if (IsHDEnabled()) {
- DeriveNewChildKey(metadata, secret);
+ DeriveNewChildKey(metadata, secret, (CanSupportFeature(FEATURE_HD_SPLIT) ? internal : false));
} else {
secret.MakeNewKey(fCompressed);
}
@@ -118,13 +118,13 @@ CPubKey CWallet::GenerateNewKey()
return pubkey;
}
-void CWallet::DeriveNewChildKey(CKeyMetadata& metadata, CKey& secret)
+void CWallet::DeriveNewChildKey(CKeyMetadata& metadata, CKey& secret, bool internal)
{
// 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 chainChildKey; //key at m/0'/0' (external) or m/0'/1' (internal)
CExtKey childKey; //key at m/0'/0'/<n>'
// try to get the master key
@@ -137,19 +137,22 @@ void CWallet::DeriveNewChildKey(CKeyMetadata& metadata, CKey& secret)
// 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 m/0'/0' (external chain) OR m/0'/1' (internal chain)
+ accountKey.Derive(chainChildKey, BIP32_HARDENED_KEY_LIMIT+(internal ? 1 : 0));
// 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);
- metadata.hdKeypath = "m/0'/0'/" + std::to_string(hdChain.nExternalChainCounter) + "'";
+ chainChildKey.Derive(childKey, (internal ? hdChain.nInternalChainCounter : hdChain.nExternalChainCounter) | BIP32_HARDENED_KEY_LIMIT);
+ metadata.hdKeypath = "m/0'/" + std::string(internal ? "1'/"+ std::to_string(hdChain.nInternalChainCounter) : "0'/" + std::to_string(hdChain.nExternalChainCounter)) + "'";
metadata.hdMasterKeyID = hdChain.masterKeyID;
// increment childkey index
- hdChain.nExternalChainCounter++;
+ if (internal)
+ hdChain.nInternalChainCounter++;
+ else
+ hdChain.nExternalChainCounter++;
} while (HaveKey(childKey.key.GetPubKey().GetID()));
secret = childKey.key;
@@ -799,7 +802,7 @@ bool CWallet::GetAccountPubkey(CPubKey &pubKey, std::string strAccount, bool bFo
// Generate a new key
if (bForceNew) {
- if (!GetKeyFromPool(account.vchPubKey))
+ if (!GetKeyFromPool(account.vchPubKey, false))
return false;
SetAddressBook(account.vchPubKey.GetID(), strAccount, "receive");
@@ -1304,8 +1307,8 @@ bool CWallet::SetHDMasterKey(const CPubKey& pubkey)
{
LOCK(cs_wallet);
- // ensure this wallet.dat can only be opened by clients supporting HD
- SetMinVersion(FEATURE_HD);
+ // ensure this wallet.dat can only be opened by clients supporting HD with chain split
+ SetMinVersion(FEATURE_HD_SPLIT);
// store the keyid (hash160) together with
// the child index counter in the database
@@ -2445,7 +2448,7 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
// Reserve a new key pair from key pool
CPubKey vchPubKey;
bool ret;
- ret = reservekey.GetReservedKey(vchPubKey);
+ ret = reservekey.GetReservedKey(vchPubKey, true);
if (!ret)
{
strFailReason = _("Keypool ran out, please call keypoolrefill first");
@@ -2899,18 +2902,31 @@ bool CWallet::NewKeyPool()
if (IsLocked())
return false;
- int64_t nKeys = std::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);
+ TopUpKeyPool();
+ LogPrintf("CWallet::NewKeyPool rewrote keypool\n");
}
return true;
}
+size_t CWallet::KeypoolCountExternalKeys()
+{
+ AssertLockHeld(cs_wallet); // setKeyPool
+
+ CWalletDB walletdb(strWalletFile);
+
+ // count amount of external keys
+ size_t amountE = 0;
+ for(const int64_t& id : setKeyPool)
+ {
+ CKeyPool tmpKeypool;
+ if (!walletdb.ReadPool(id, tmpKeypool))
+ throw std::runtime_error(std::string(__func__) + ": read failed");
+ amountE += !tmpKeypool.fInternal;
+ }
+
+ return amountE;
+}
+
bool CWallet::TopUpKeyPool(unsigned int kpSize)
{
{
@@ -2919,8 +2935,6 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize)
if (IsLocked())
return false;
- CWalletDB walletdb(strWalletFile);
-
// Top up key pool
unsigned int nTargetSize;
if (kpSize > 0)
@@ -2928,21 +2942,39 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize)
else
nTargetSize = std::max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t) 0);
- while (setKeyPool.size() < (nTargetSize + 1))
+ // count amount of available keys (internal, external)
+ // make sure the keypool of external keys fits the user selected target (-keypool)
+ // generate +20% internal keys (minimum 2 keys)
+ int64_t amountExternal = KeypoolCountExternalKeys();
+ int64_t amountInternal = setKeyPool.size() - amountExternal;
+ int64_t targetInternal = max((int64_t)ceil(nTargetSize * 0.2), (int64_t) 2);
+ int64_t missingExternal = max( (int64_t)(nTargetSize - amountExternal), (int64_t) 0);
+ int64_t missingInternal = max(targetInternal - amountInternal, (int64_t) 0);
+
+ if (!IsHDEnabled() || !CanSupportFeature(FEATURE_HD_SPLIT))
+ {
+ // don't create extra internal keys
+ missingInternal = 0;
+ }
+ bool internal = false;
+ CWalletDB walletdb(strWalletFile);
+ for (int64_t i = missingInternal + missingExternal; i--;)
{
int64_t nEnd = 1;
+ if (i < missingInternal)
+ internal = true;
if (!setKeyPool.empty())
nEnd = *(--setKeyPool.end()) + 1;
- if (!walletdb.WritePool(nEnd, CKeyPool(GenerateNewKey())))
+ if (!walletdb.WritePool(nEnd, CKeyPool(GenerateNewKey(internal), internal)))
throw std::runtime_error(std::string(__func__) + ": writing generated key failed");
setKeyPool.insert(nEnd);
- LogPrintf("keypool added key %d, size=%u\n", nEnd, setKeyPool.size());
+ LogPrintf("keypool added key %d, size=%u, internal=%d\n", nEnd, setKeyPool.size(), internal);
}
}
return true;
}
-void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool)
+void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool internal)
{
nIndex = -1;
keypool.vchPubKey = CPubKey();
@@ -2958,14 +2990,24 @@ void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool)
CWalletDB walletdb(strWalletFile);
- nIndex = *(setKeyPool.begin());
- setKeyPool.erase(setKeyPool.begin());
- if (!walletdb.ReadPool(nIndex, keypool))
- throw std::runtime_error(std::string(__func__) + ": read failed");
- if (!HaveKey(keypool.vchPubKey.GetID()))
- throw std::runtime_error(std::string(__func__) + ": unknown key in key pool");
- assert(keypool.vchPubKey.IsValid());
- LogPrintf("keypool reserve %d\n", nIndex);
+ // try to find a key that matches the internal/external filter
+ for(const int64_t& id : setKeyPool)
+ {
+ CKeyPool tmpKeypool;
+ if (!walletdb.ReadPool(id, tmpKeypool))
+ throw std::runtime_error(std::string(__func__) + ": read failed");
+ if (!HaveKey(tmpKeypool.vchPubKey.GetID()))
+ throw std::runtime_error(std::string(__func__) + ": unknown key in key pool");
+ if (!IsHDEnabled() || tmpKeypool.fInternal == internal)
+ {
+ nIndex = id;
+ keypool = tmpKeypool;
+ setKeyPool.erase(id);
+ assert(keypool.vchPubKey.IsValid());
+ LogPrintf("keypool reserve %d\n", nIndex);
+ return;
+ }
+ }
}
}
@@ -2990,17 +3032,17 @@ void CWallet::ReturnKey(int64_t nIndex)
LogPrintf("keypool return %d\n", nIndex);
}
-bool CWallet::GetKeyFromPool(CPubKey& result)
+bool CWallet::GetKeyFromPool(CPubKey& result, bool internal)
{
int64_t nIndex = 0;
CKeyPool keypool;
{
LOCK(cs_wallet);
- ReserveKeyFromKeyPool(nIndex, keypool);
+ ReserveKeyFromKeyPool(nIndex, keypool, internal);
if (nIndex == -1)
{
if (IsLocked()) return false;
- result = GenerateNewKey();
+ result = GenerateNewKey(internal);
return true;
}
KeepKey(nIndex);
@@ -3205,12 +3247,12 @@ std::set<CTxDestination> CWallet::GetAccountAddresses(const std::string& strAcco
return result;
}
-bool CReserveKey::GetReservedKey(CPubKey& pubkey)
+bool CReserveKey::GetReservedKey(CPubKey& pubkey, bool internal)
{
if (nIndex == -1)
{
CKeyPool keypool;
- pwallet->ReserveKeyFromKeyPool(nIndex, keypool);
+ pwallet->ReserveKeyFromKeyPool(nIndex, keypool, internal);
if (nIndex != -1)
vchPubKey = keypool.vchPubKey;
else {
@@ -3629,7 +3671,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
throw std::runtime_error(std::string(__func__) + ": Storing master key failed");
}
CPubKey newDefaultKey;
- if (walletInstance->GetKeyFromPool(newDefaultKey)) {
+ if (walletInstance->GetKeyFromPool(newDefaultKey, false)) {
walletInstance->SetDefaultKey(newDefaultKey);
if (!walletInstance->SetAddressBook(walletInstance->vchDefaultKey.GetID(), "", "receive")) {
InitError(_("Cannot write default address") += "\n");
@@ -3890,10 +3932,11 @@ CKeyPool::CKeyPool()
nTime = GetTime();
}
-CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn)
+CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn)
{
nTime = GetTime();
vchPubKey = vchPubKeyIn;
+ fInternal = internalIn;
}
CWalletKey::CWalletKey(int64_t nExpires)
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index ae4321eef8..bf6c5a2a87 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -86,6 +86,10 @@ enum WalletFeature
FEATURE_COMPRPUBKEY = 60000, // compressed public keys
FEATURE_HD = 130000, // Hierarchical key derivation after BIP32 (HD Wallet)
+
+ //TODO: FEATURE_HD_SPLIT needs to be bumped to 140000 once we branch of 0.14 //
+ FEATURE_HD_SPLIT = 139900, // Wallet with HD chain split (change outputs will use m/0'/1'/k)
+
FEATURE_LATEST = FEATURE_COMPRPUBKEY // HD is optional, use FEATURE_COMPRPUBKEY as latest version
};
@@ -96,9 +100,10 @@ class CKeyPool
public:
int64_t nTime;
CPubKey vchPubKey;
+ bool fInternal; // for change outputs
CKeyPool();
- CKeyPool(const CPubKey& vchPubKeyIn);
+ CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn);
ADD_SERIALIZE_METHODS;
@@ -109,6 +114,13 @@ public:
READWRITE(nVersion);
READWRITE(nTime);
READWRITE(vchPubKey);
+ if (nVersion >= FEATURE_HD_SPLIT)
+ READWRITE(fInternal);
+ else
+ {
+ if (ser_action.ForRead())
+ fInternal = false;
+ }
}
};
@@ -774,8 +786,8 @@ public:
* keystore implementation
* Generate a new key
*/
- CPubKey GenerateNewKey();
- void DeriveNewChildKey(CKeyMetadata& metadata, CKey& secret);
+ CPubKey GenerateNewKey(bool internal = false);
+ void DeriveNewChildKey(CKeyMetadata& metadata, CKey& secret, bool internal = false);
//! Adds a key to the store, and saves it to disk.
bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey) override;
//! Adds a key to the store, without saving it to disk (used by LoadWallet)
@@ -883,11 +895,12 @@ public:
static CAmount GetRequiredFee(unsigned int nTxBytes);
bool NewKeyPool();
+ size_t KeypoolCountExternalKeys();
bool TopUpKeyPool(unsigned int kpSize = 0);
- void ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool);
+ void ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool internal);
void KeepKey(int64_t nIndex);
void ReturnKey(int64_t nIndex);
- bool GetKeyFromPool(CPubKey &key);
+ bool GetKeyFromPool(CPubKey &key, bool internal = false);
int64_t GetOldestKeyPoolTime();
void GetAllReserveKeys(std::set<CKeyID>& setAddress) const;
@@ -1063,7 +1076,7 @@ public:
}
void ReturnKey();
- bool GetReservedKey(CPubKey &pubkey);
+ bool GetReservedKey(CPubKey &pubkey, bool internal = false);
void KeepKey();
void KeepScript() { KeepKey(); }
};
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index 4d7dfb727e..016296f259 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -46,9 +46,12 @@ class CHDChain
{
public:
uint32_t nExternalChainCounter;
+ uint32_t nInternalChainCounter;
CKeyID masterKeyID; //!< master key hash160
- static const int CURRENT_VERSION = 1;
+ static const int VERSION_HD_BASE = 1;
+ static const int VERSION_HD_CHAIN_SPLIT = 2;
+ static const int CURRENT_VERSION = VERSION_HD_CHAIN_SPLIT;
int nVersion;
CHDChain() { SetNull(); }
@@ -58,6 +61,8 @@ public:
{
READWRITE(this->nVersion);
READWRITE(nExternalChainCounter);
+ if (this->nVersion >= VERSION_HD_CHAIN_SPLIT)
+ READWRITE(nInternalChainCounter);
READWRITE(masterKeyID);
}
@@ -65,6 +70,7 @@ public:
{
nVersion = CHDChain::CURRENT_VERSION;
nExternalChainCounter = 0;
+ nInternalChainCounter = 0;
masterKeyID.SetNull();
}
};
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-16 14:57:49 +0000