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crate::ix!();
#[derive(Default)]
pub struct WalletScanState {
n_keys: u32, // default = { 0 }
n_ckeys: u32, // default = { 0 }
n_watch_keys: u32, // default = { 0 }
n_key_meta: u32, // default = { 0 }
unknown_records: u32, // default = { 0 }
is_encrypted: bool, // default = { false }
any_unordered: bool, // default = { false }
wallet_upgrade: Vec<u256>,
active_external_spks: HashMap<OutputType,u256>,
active_internal_spks: HashMap<OutputType,u256>,
descriptor_caches: HashMap<u256,DescriptorCache>,
descriptor_keys: HashMap<(u256,KeyID),Key>,
descriptor_crypt_keys: HashMap<(u256,KeyID),(PubKey,Vec<u8>)>,
hd_chains: HashMap<u160,HDChain>,
tx_corrupt: bool, // default = { false }
}
#[EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet)]
pub fn read_key_value_with_wallet_scan_state(
pwallet: *mut Wallet,
ss_key: &mut DataStream,
ss_value: &mut DataStream,
wss: &mut WalletScanState,
str_type: &mut String,
str_err: &mut String,
filter_fn: Option<&KeyFilterFn>) -> bool {
todo!();
/*
try {
// Unserialize
// Taking advantage of the fact that pair serialization
// is just the two items serialized one after the other
ssKey >> strType;
// If we have a filter, check if this matches the filter
if (filter_fn && !filter_fn(strType)) {
return true;
}
if (strType == DBKeys::NAME) {
std::string strAddress;
ssKey >> strAddress;
std::string label;
ssValue >> label;
pwallet->m_address_book[DecodeDestination(strAddress)].SetLabel(label);
} else if (strType == DBKeys::PURPOSE) {
std::string strAddress;
ssKey >> strAddress;
ssValue >> pwallet->m_address_book[DecodeDestination(strAddress)].purpose;
} else if (strType == DBKeys::TX) {
uint256 hash;
ssKey >> hash;
// LoadToWallet call below creates a new CWalletTx that fill_wtx
// callback fills with transaction metadata.
auto fill_wtx = [&](CWalletTx& wtx, bool new_tx) {
if(!new_tx) {
// There's some corruption here since the tx we just tried to load was already in the wallet.
// We don't consider this type of corruption critical, and can fix it by removing tx data and
// rescanning.
wss.tx_corrupt = true;
return false;
}
ssValue >> wtx;
if (wtx.GetHash() != hash)
return false;
// Undo serialize changes in 31600
if (31404 <= wtx.fTimeReceivedIsTxTime && wtx.fTimeReceivedIsTxTime <= 31703)
{
if (!ssValue.empty())
{
uint8_t fTmp;
uint8_t fUnused;
std::string unused_string;
ssValue >> fTmp >> fUnused >> unused_string;
strErr = strprintf("LoadWallet() upgrading tx ver=%d %d %s",
wtx.fTimeReceivedIsTxTime, fTmp, hash.ToString());
wtx.fTimeReceivedIsTxTime = fTmp;
}
else
{
strErr = strprintf("LoadWallet() repairing tx ver=%d %s", wtx.fTimeReceivedIsTxTime, hash.ToString());
wtx.fTimeReceivedIsTxTime = 0;
}
wss.vWalletUpgrade.push_back(hash);
}
if (wtx.nOrderPos == -1)
wss.fAnyUnordered = true;
return true;
};
if (!pwallet->LoadToWallet(hash, fill_wtx)) {
return false;
}
} else if (strType == DBKeys::WATCHS) {
wss.nWatchKeys++;
CScript script;
ssKey >> script;
uint8_t fYes;
ssValue >> fYes;
if (fYes == '1') {
pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadWatchOnly(script);
}
} else if (strType == DBKeys::KEY) {
CPubKey vchPubKey;
ssKey >> vchPubKey;
if (!vchPubKey.IsValid())
{
strErr = "Error reading wallet database: CPubKey corrupt";
return false;
}
CKey key;
CPrivKey pkey;
uint256 hash;
wss.nKeys++;
ssValue >> pkey;
// Old wallets store keys as DBKeys::KEY [pubkey] => [privkey]
// ... which was slow for wallets with lots of keys, because the public key is re-derived from the private key
// using EC operations as a checksum.
// Newer wallets store keys as DBKeys::KEY [pubkey] => [privkey][hash(pubkey,privkey)], which is much faster while
// remaining backwards-compatible.
try
{
ssValue >> hash;
}
catch (const std::ios_base::failure&) {}
bool fSkipCheck = false;
if (!hash.IsNull())
{
// hash pubkey/privkey to accelerate wallet load
std::vector<unsigned char> vchKey;
vchKey.reserve(vchPubKey.size() + pkey.size());
vchKey.insert(vchKey.end(), vchPubKey.begin(), vchPubKey.end());
vchKey.insert(vchKey.end(), pkey.begin(), pkey.end());
if (Hash(vchKey) != hash)
{
strErr = "Error reading wallet database: CPubKey/CPrivKey corrupt";
return false;
}
fSkipCheck = true;
}
if (!key.Load(pkey, vchPubKey, fSkipCheck))
{
strErr = "Error reading wallet database: CPrivKey corrupt";
return false;
}
if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadKey(key, vchPubKey))
{
strErr = "Error reading wallet database: LegacyScriptPubKeyMan::LoadKey failed";
return false;
}
} else if (strType == DBKeys::MASTER_KEY) {
// Master encryption key is loaded into only the wallet and not any of the ScriptPubKeyMans.
unsigned int nID;
ssKey >> nID;
CMasterKey kMasterKey;
ssValue >> kMasterKey;
if(pwallet->mapMasterKeys.count(nID) != 0)
{
strErr = strprintf("Error reading wallet database: duplicate CMasterKey id %u", nID);
return false;
}
pwallet->mapMasterKeys[nID] = kMasterKey;
if (pwallet->nMasterKeyMaxID < nID)
pwallet->nMasterKeyMaxID = nID;
} else if (strType == DBKeys::CRYPTED_KEY) {
CPubKey vchPubKey;
ssKey >> vchPubKey;
if (!vchPubKey.IsValid())
{
strErr = "Error reading wallet database: CPubKey corrupt";
return false;
}
std::vector<unsigned char> vchPrivKey;
ssValue >> vchPrivKey;
// Get the checksum and check it
bool checksum_valid = false;
if (!ssValue.eof()) {
uint256 checksum;
ssValue >> checksum;
if ((checksum_valid = Hash(vchPrivKey) != checksum)) {
strErr = "Error reading wallet database: Encrypted key corrupt";
return false;
}
}
wss.nCKeys++;
if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadCryptedKey(vchPubKey, vchPrivKey, checksum_valid))
{
strErr = "Error reading wallet database: LegacyScriptPubKeyMan::LoadCryptedKey failed";
return false;
}
wss.fIsEncrypted = true;
} else if (strType == DBKeys::KEYMETA) {
CPubKey vchPubKey;
ssKey >> vchPubKey;
CKeyMetadata keyMeta;
ssValue >> keyMeta;
wss.nKeyMeta++;
pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadKeyMetadata(vchPubKey.GetID(), keyMeta);
// Extract some CHDChain info from this metadata if it has any
if (keyMeta.nVersion >= CKeyMetadata::VERSION_WITH_HDDATA && !keyMeta.hd_seed_id.IsNull() && keyMeta.hdKeypath.size() > 0) {
// Get the path from the key origin or from the path string
// Not applicable when path is "s" or "m" as those indicate a seed
// See https://github.com/bitcoin/bitcoin/pull/12924
bool internal = false;
uint32_t index = 0;
if (keyMeta.hdKeypath != "s" && keyMeta.hdKeypath != "m") {
std::vector<uint32_t> path;
if (keyMeta.has_key_origin) {
// We have a key origin, so pull it from its path vector
path = keyMeta.key_origin.path;
} else {
// No key origin, have to parse the string
if (!ParseHDKeypath(keyMeta.hdKeypath, path)) {
strErr = "Error reading wallet database: keymeta with invalid HD keypath";
return false;
}
}
// Extract the index and internal from the path
// Path string is m/0'/k'/i'
// Path vector is [0', k', i'] (but as ints OR'd with the hardened bit
// k == 0 for external, 1 for internal. i is the index
if (path.size() != 3) {
strErr = "Error reading wallet database: keymeta found with unexpected path";
return false;
}
if (path[0] != 0x80000000) {
strErr = strprintf("Unexpected path index of 0x%08x (expected 0x80000000) for the element at index 0", path[0]);
return false;
}
if (path[1] != 0x80000000 && path[1] != (1 | 0x80000000)) {
strErr = strprintf("Unexpected path index of 0x%08x (expected 0x80000000 or 0x80000001) for the element at index 1", path[1]);
return false;
}
if ((path[2] & 0x80000000) == 0) {
strErr = strprintf("Unexpected path index of 0x%08x (expected to be greater than or equal to 0x80000000)", path[2]);
return false;
}
internal = path[1] == (1 | 0x80000000);
index = path[2] & ~0x80000000;
}
// Insert a new CHDChain, or get the one that already exists
auto ins = wss.m_hd_chains.emplace(keyMeta.hd_seed_id, CHDChain());
CHDChain& chain = ins.first->second;
if (ins.second) {
// For new chains, we want to default to VERSION_HD_BASE until we see an internal
chain.nVersion = CHDChain::VERSION_HD_BASE;
chain.seed_id = keyMeta.hd_seed_id;
}
if (internal) {
chain.nVersion = CHDChain::VERSION_HD_CHAIN_SPLIT;
chain.nInternalChainCounter = std::max(chain.nInternalChainCounter, index);
} else {
chain.nExternalChainCounter = std::max(chain.nExternalChainCounter, index);
}
}
} else if (strType == DBKeys::WATCHMETA) {
CScript script;
ssKey >> script;
CKeyMetadata keyMeta;
ssValue >> keyMeta;
wss.nKeyMeta++;
pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadScriptMetadata(CScriptID(script), keyMeta);
} else if (strType == DBKeys::DEFAULTKEY) {
// We don't want or need the default key, but if there is one set,
// we want to make sure that it is valid so that we can detect corruption
CPubKey vchPubKey;
ssValue >> vchPubKey;
if (!vchPubKey.IsValid()) {
strErr = "Error reading wallet database: Default Key corrupt";
return false;
}
} else if (strType == DBKeys::POOL) {
int64_t nIndex;
ssKey >> nIndex;
CKeyPool keypool;
ssValue >> keypool;
pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadKeyPool(nIndex, keypool);
} else if (strType == DBKeys::CSCRIPT) {
u160 hash;
ssKey >> hash;
CScript script;
ssValue >> script;
if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadCScript(script))
{
strErr = "Error reading wallet database: LegacyScriptPubKeyMan::LoadCScript failed";
return false;
}
} else if (strType == DBKeys::ORDERPOSNEXT) {
ssValue >> pwallet->nOrderPosNext;
} else if (strType == DBKeys::DESTDATA) {
std::string strAddress, strKey, strValue;
ssKey >> strAddress;
ssKey >> strKey;
ssValue >> strValue;
pwallet->LoadDestData(DecodeDestination(strAddress), strKey, strValue);
} else if (strType == DBKeys::HDCHAIN) {
CHDChain chain;
ssValue >> chain;
pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadHDChain(chain);
} else if (strType == DBKeys::OLD_KEY) {
strErr = "Found unsupported 'wkey' record, try loading with version 0.18";
return false;
} else if (strType == DBKeys::ACTIVEEXTERNALSPK || strType == DBKeys::ACTIVEINTERNALSPK) {
uint8_t type;
ssKey >> type;
uint256 id;
ssValue >> id;
bool internal = strType == DBKeys::ACTIVEINTERNALSPK;
auto& spk_mans = internal ? wss.m_active_internal_spks : wss.m_active_external_spks;
if (spk_mans.count(static_cast<OutputType>(type)) > 0) {
strErr = "Multiple ScriptPubKeyMans specified for a single type";
return false;
}
spk_mans[static_cast<OutputType>(type)] = id;
} else if (strType == DBKeys::WALLETDESCRIPTOR) {
uint256 id;
ssKey >> id;
WalletDescriptor desc;
ssValue >> desc;
if (wss.m_descriptor_caches.count(id) == 0) {
wss.m_descriptor_caches[id] = DescriptorCache();
}
pwallet->LoadDescriptorScriptPubKeyMan(id, desc);
} else if (strType == DBKeys::WALLETDESCRIPTORCACHE) {
bool parent = true;
uint256 desc_id;
uint32_t key_exp_index;
uint32_t der_index;
ssKey >> desc_id;
ssKey >> key_exp_index;
// if the der_index exists, it's a derived xpub
try
{
ssKey >> der_index;
parent = false;
}
catch (...) {}
std::vector<unsigned char> ser_xpub(BIP32_EXTKEY_SIZE);
ssValue >> ser_xpub;
CExtPubKey xpub;
xpub.Decode(ser_xpub.data());
if (parent) {
wss.m_descriptor_caches[desc_id].CacheParentExtPubKey(key_exp_index, xpub);
} else {
wss.m_descriptor_caches[desc_id].CacheDerivedExtPubKey(key_exp_index, der_index, xpub);
}
} else if (strType == DBKeys::WALLETDESCRIPTORLHCACHE) {
uint256 desc_id;
uint32_t key_exp_index;
ssKey >> desc_id;
ssKey >> key_exp_index;
std::vector<unsigned char> ser_xpub(BIP32_EXTKEY_SIZE);
ssValue >> ser_xpub;
CExtPubKey xpub;
xpub.Decode(ser_xpub.data());
wss.m_descriptor_caches[desc_id].CacheLastHardenedExtPubKey(key_exp_index, xpub);
} else if (strType == DBKeys::WALLETDESCRIPTORKEY) {
uint256 desc_id;
CPubKey pubkey;
ssKey >> desc_id;
ssKey >> pubkey;
if (!pubkey.IsValid())
{
strErr = "Error reading wallet database: CPubKey corrupt";
return false;
}
CKey key;
CPrivKey pkey;
uint256 hash;
wss.nKeys++;
ssValue >> pkey;
ssValue >> hash;
// hash pubkey/privkey to accelerate wallet load
std::vector<unsigned char> to_hash;
to_hash.reserve(pubkey.size() + pkey.size());
to_hash.insert(to_hash.end(), pubkey.begin(), pubkey.end());
to_hash.insert(to_hash.end(), pkey.begin(), pkey.end());
if (Hash(to_hash) != hash)
{
strErr = "Error reading wallet database: CPubKey/CPrivKey corrupt";
return false;
}
if (!key.Load(pkey, pubkey, true))
{
strErr = "Error reading wallet database: CPrivKey corrupt";
return false;
}
wss.m_descriptor_keys.insert(std::make_pair(std::make_pair(desc_id, pubkey.GetID()), key));
} else if (strType == DBKeys::WALLETDESCRIPTORCKEY) {
uint256 desc_id;
CPubKey pubkey;
ssKey >> desc_id;
ssKey >> pubkey;
if (!pubkey.IsValid())
{
strErr = "Error reading wallet database: CPubKey corrupt";
return false;
}
std::vector<unsigned char> privkey;
ssValue >> privkey;
wss.nCKeys++;
wss.m_descriptor_crypt_keys.insert(std::make_pair(std::make_pair(desc_id, pubkey.GetID()), std::make_pair(pubkey, privkey)));
wss.fIsEncrypted = true;
} else if (strType == DBKeys::LOCKED_UTXO) {
uint256 hash;
uint32_t n;
ssKey >> hash;
ssKey >> n;
pwallet->LockCoin(OutPoint(hash, n));
} else if (strType != DBKeys::BESTBLOCK && strType != DBKeys::BESTBLOCK_NOMERKLE &&
strType != DBKeys::MINVERSION && strType != DBKeys::ACENTRY &&
strType != DBKeys::VERSION && strType != DBKeys::SETTINGS &&
strType != DBKeys::FLAGS) {
wss.m_unknown_records++;
}
} catch (const std::exception& e) {
if (strErr.empty()) {
strErr = e.what();
}
return false;
} catch (...) {
if (strErr.empty()) {
strErr = "Caught unknown exception in ReadKeyValue";
}
return false;
}
return true;
*/
}