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3389 lines (2725 loc) · 83.2 KB
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// Copyright 2018 The Beam Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "db.h"
#include <algorithm> // sort
#include "../core/peer_manager.h"
#include "../utility/logger.h"
#include "../utility/byteorder.h"
#include <algorithm>
namespace beam {
// Literal constants
#define TblParams "Params"
#define TblParams_ID "ID"
#define TblParams_Int "ParamInt"
#define TblParams_Blob "ParamBlob"
#define TblStates "States"
#define TblStates_Number "Height"
#define TblStates_Hash "Hash"
#define TblStates_HashPrev "HashPrev"
#define TblStates_Timestamp "Timestamp"
#define TblStates_Kernels "Kernels"
#define TblStates_Definition "Definition"
#define TblStates_Flags "Flags"
#define TblStates_RowPrev "RowPrev"
#define TblStates_CountNext "CountNext"
#define TblStates_CountNextF "CountNextFunctional"
#define TblStates_PoW "PoW"
#define TblStates_Rollback "Mmr" // For historical reasons it was used for states MMR. Not it's a rollback data
#define TblStates_BodyP "Perishable"
#define TblStates_BodyE "Ethernal"
#define TblStates_Peer "Peer"
#define TblStates_ChainWork "ChainWork"
#define TblStates_Txos "Txos"
#define TblStates_Extra "Extra"
#define TblStates_Inputs "Inputs"
#define TblTips "Tips"
#define TblTipsReachable "TipsReachable"
#define TblTips_Number "Height"
#define TblTips_State "State"
#define TblTips_ChainWork "ChainWork"
#define TblKernels "Kernels"
#define TblKernels_Key "Commitment"
#define TblKernels_Height "Height"
#define TblEvents "Events"
#define TblEvents_Account "Account"
#define TblEvents_Pos "Pos"
#define TblEvents_Body "Body"
#define TblEvents_Key "Key"
#define TblAccounts "Accounts"
#define TblAccounts_Index "iIdx"
#define TblAccounts_OwnerID "OwnerID"
#define TblAccounts_Serif "Serif"
#define TblAccounts_TxoHi "HeightHi"
#define TblPeer "Peers"
#define TblPeer_Key "Key"
#define TblPeer_Rating "Rating"
#define TblPeer_Addr "Address"
#define TblPeer_LastSeen "LastSeen"
#define TblBbs "Bbs"
#define TblBbs_ID "ID"
#define TblBbs_Key "Key"
#define TblBbs_Channel "Channel"
#define TblBbs_Time "Time"
#define TblBbs_Msg "Message"
#define TblBbs_Nonce "Nonce"
#define TblDummy "Dummies"
#define TblDummy_ID "ID"
#define TblDummy_SpendHeight "SpendHeight"
#define TblTxo "Txo"
#define TblTxo_ID "ID"
#define TblTxo_Value "Value"
#define TblTxo_SpendHeight "SpendHeight"
#define TblStreams "Streams"
#define TblStream_ID "ID"
#define TblStream_Value "Value"
#define TblUnique "UniqueStorage"
#define TblUnique_Key "Key"
#define TblUnique_Value "Value"
#define TblBridge "Bridge"
#define TblBridge_Pos "Pos"
#define TblBridge_Key "Key"
#define TblBridge_Value "Value"
#define TblAssets "Assets"
#define TblAssets_ID "ID"
#define TblAssets_Owner "Owner"
#define TblAssets_Cid "Cid"
#define TblAssets_Value "Value"
#define TblAssets_Data "MetaData"
#define TblAssets_Deposit "Deposit"
#define TblAssets_LockHeight "LockHeight"
#define TblAssetEvts "AssetsEvents"
#define TblAssetEvts_ID "ID"
#define TblAssetEvts_Height "Height"
#define TblAssetEvts_Index "Seq"
#define TblAssetEvts_Data "Data"
#define TblShieldedStatistic "ShieldedStatistic"
#define TblShieldedStatistic_Height "Height"
#define TblShieldedStatistic_OutCount "OutCount"
#define TblContracts "Contracts"
#define TblContracts_Key "Key"
#define TblContracts_Value "Value"
#define TblContractLogs "ContractLogs"
#define TblContractLogs_Pos "Pos"
#define TblContractLogs_Key "Key"
#define TblContractLogs_Data "Data"
#define TblCache "Cache"
#define TblCache_Key "Key"
#define TblCache_Data "Data"
#define TblCache_LastHit "Hit"
#define TblKrnInfo "KrnInfo"
#define TblKrnInfo_Pos "Pos"
#define TblKrnInfo_Key "Key"
#define TblKrnInfo_Data "Data"
NodeDB::NodeDB()
:m_pDb(nullptr)
{
}
NodeDB::~NodeDB()
{
Close();
}
void NodeDB::TestRet(int ret)
{
if (SQLITE_OK != ret)
ThrowSqliteError(ret);
}
void NodeDB::ThrowSqliteError(int ret)
{
char sz[0x1000];
snprintf(sz, _countof(sz), "sqlite err %d, %s", ret, sqlite3_errmsg(m_pDb));
ThrowError(sz);
}
void NodeDB::ThrowError(const char* sz)
{
// Currently all DB errors are defined as corruption
CorruptionException exc;
exc.m_sErr = sz;
throw exc;
}
void NodeDB::ThrowInconsistent()
{
ThrowError("data inconcistent");
}
void NodeDB::Statement::Close()
{
if (m_pStmt)
{
sqlite3_finalize(m_pStmt); // don't care about retval
m_pStmt = nullptr;
}
}
void NodeDB::Close()
{
if (m_pDb)
{
for (size_t i = 0; i < _countof(m_pPrep); i++)
m_pPrep[i].Close();
BEAM_VERIFY(SQLITE_OK == sqlite3_close(m_pDb));
m_pDb = NULL;
}
}
NodeDB::Recordset::Recordset()
:m_ppCache(nullptr)
,m_pStmt(nullptr)
,m_pDB(nullptr)
{
}
NodeDB::Recordset::Recordset(NodeDB& db, Query::Enum val, const char* sql)
:m_ppCache(nullptr)
,m_pStmt(nullptr)
{
InitInternal(db, val, sql);
}
void NodeDB::Recordset::InitInternal(NodeDB& db, Query::Enum val, const char* sql)
{
m_pDB = &db;
auto& s = db.get_Statement(val, sql);
m_ppCache = &s.m_pStmt;
// take ownership
assert(!m_pStmt && s.m_pStmt);
std::swap(m_pStmt, s.m_pStmt);
}
NodeDB::Recordset::~Recordset()
{
Reset();
}
void NodeDB::Recordset::Reset()
{
if (m_pStmt)
{
assert(m_ppCache);
if (*m_ppCache)
sqlite3_finalize(m_pStmt); // don't care about retval
else
{
// return to cache
*m_ppCache = m_pStmt;
sqlite3_reset(m_pStmt); // don't care about retval
sqlite3_clear_bindings(m_pStmt);
}
m_pStmt = nullptr;
}
}
void NodeDB::Recordset::Reset(NodeDB& db, Query::Enum val, const char* sql)
{
Reset();
InitInternal(db, val, sql);
}
bool NodeDB::Recordset::Step()
{
return m_pDB->ExecStep(m_pStmt);
}
void NodeDB::Recordset::StepStrict()
{
if (!Step())
ThrowError("not found");
}
bool NodeDB::Recordset::StepModifySafe()
{
int nVal = m_pDB->ExecStepRaw(m_pStmt);
switch (nVal)
{
default:
m_pDB->ThrowSqliteError(nVal);
// no break
case SQLITE_DONE:
return true;
case SQLITE_CONSTRAINT:
return false;
}
}
bool NodeDB::Recordset::IsNull(int col)
{
return SQLITE_NULL == sqlite3_column_type(m_pStmt, col);
}
void NodeDB::Recordset::putNull(int col)
{
m_pDB->TestRet(sqlite3_bind_null(m_pStmt, col+1));
}
void NodeDB::Recordset::put(int col, uint32_t x)
{
m_pDB->TestRet(sqlite3_bind_int(m_pStmt, col+1, x));
}
void NodeDB::Recordset::put(int col, uint64_t x)
{
m_pDB->TestRet(sqlite3_bind_int64(m_pStmt, col+1, x));
}
void NodeDB::Recordset::put(int col, const Blob& x)
{
// According to our convention empty blob is NOT NULL, it should be an empty BLOB field.
// During initialization from buffer, if the buffer size is 0 - the x.p is left uninitialized.
//
// In sqlite code if x.p is NULL - it would treat the field as NULL, rather than an empty blob.
// And if the uninitialized x.p is occasionally NULL - we get wrong behavior.
//
// Hence - we work this around, use `this`, as an arbitrary non-NULL pointer
const void* pPtr = x.n ? x.p : this;
m_pDB->TestRet(sqlite3_bind_blob(m_pStmt, col+1, pPtr, x.n, NULL));
}
void NodeDB::Recordset::put(int col, const char* sz)
{
m_pDB->TestRet(sqlite3_bind_text(m_pStmt, col+1, sz, -1, NULL));
}
void NodeDB::Recordset::put(int col, const Key::ID& kid, Key::ID::Packed& p)
{
p = kid;
put(col, Blob(&p, sizeof(p)));
}
void NodeDB::Recordset::putZeroBlob(int col, uint32_t nSize)
{
m_pDB->TestRet(sqlite3_bind_zeroblob(m_pStmt, col + 1, nSize));
}
void NodeDB::Recordset::get(int col, uint32_t& x)
{
x = sqlite3_column_int(m_pStmt, col);
}
void NodeDB::Recordset::get(int col, uint64_t& x)
{
x = sqlite3_column_int64(m_pStmt, col);
}
void NodeDB::Recordset::get(int col, Blob& x)
{
x.p = sqlite3_column_blob(m_pStmt, col);
x.n = sqlite3_column_bytes(m_pStmt, col);
}
void NodeDB::Recordset::get(int col, ByteBuffer& x)
{
Blob b;
get(col, b);
b.Export(x);
}
void NodeDB::Recordset::get(int col, Key::ID& kid)
{
Key::ID::Packed p;
get_As(col, p);
kid = p;
}
const void* NodeDB::Recordset::get_BlobStrict(int col, uint32_t n)
{
Blob x;
get(col, x);
if (x.n != n)
{
char sz[0x80];
snprintf(sz, sizeof(sz), "Blob size expected=%u, actual=%u", n, x.n);
ThrowError(sz);
}
return x.p;
}
void NodeDB::Open(const char* szPath)
{
TestRet(sqlite3_open_v2(szPath, &m_pDb, SQLITE_OPEN_READWRITE | SQLITE_OPEN_NOMUTEX | SQLITE_OPEN_CREATE, NULL));
// Attempt to fix the "busy" error when PC goes to sleep and then awakes. Try the busy handler with non-zero timeout (maybe a single retry would be enough)
sqlite3_busy_timeout(m_pDb, 5000);
ExecTextOut("PRAGMA locking_mode = EXCLUSIVE");
ExecTextOut("PRAGMA journal_mode = WAL"); // Write-Ahead Logging for better concurrent read/write performance
ExecTextOut("PRAGMA synchronous = NORMAL"); // Safe with WAL, avoids fsync on every commit
ExecTextOut("PRAGMA cache_size = -131072"); // 128MB page cache (vs default ~2MB)
ExecTextOut("PRAGMA mmap_size = 268435456"); // 256MB memory-mapped I/O
ExecTextOut("PRAGMA temp_store = MEMORY"); // In-memory temp tables
ExecTextOut("PRAGMA wal_autocheckpoint = 2000"); // Moderate checkpoint frequency (default 1000, ~8MB WAL threshold)
ExecTextOut("PRAGMA page_size = 4096"); // Optimal page size
ExecTextOut("PRAGMA journal_size_limit=1048576"); // limit journal file, otherwise it may remain huge even after tx commit, until the app is closed
bool bCreate;
{
Recordset rs(*this, Query::Scheme, "SELECT name FROM sqlite_master WHERE type='table' AND name=?");
rs.put(0, TblParams);
bCreate = !rs.Step();
}
const uint64_t nVersionTop = 38;
Transaction t(*this);
if (bCreate)
{
Create();
ParamIntSet(ParamID::DbVer, nVersionTop);
}
else
{
uint64_t nVer = ParamIntGetDef(ParamID::DbVer);
switch (nVer)
{
case 19: // before Shielded shards
// ignore
// no break;
case 20: // Deprecated Shielded table created.
CreateTables20();
BEAM_LOG_INFO() << "DB migrate from " << 20;
MigrateFrom20();
// no break;
case 21:
CreateTables21();
// no break;
case 22:
CreateTables22();
// no break;
case 23:
CreateTables23();
// no break;
case 24:
case 25:
ParamDelSafe(ParamID::RichContractInfo); // former SyncTarget
ParamDelSafe(ParamID::RichContractParser); // former Deprecated_2
ParamDelSafe(ParamID::Deprecated_3);
// no break;
case 26: // ShieldedState stream added
// no break;
case 27:
CreateTables27();
// no break;
case 28:
CreateTables28();
// no break;
case 29: // Block interpretation nKrnIdx fixed to match KrnWalker's
// no break;
case 30: // Block interpretation nKrnIdx fixed to match KrnWalker's
ExecQuick("DROP TABLE IF EXISTS " TblKrnInfo);
CreateTables30();
// no break;
case 31:
case 32:
ExecQuick("DROP TABLE IF EXISTS " TblAssets);
CreateTables31();
// no break;
case 33: // fix asset evt table, after previous Rebuild non-std
// no break;
case 34:
ParamDelSafe(ParamID::Deprecated_EventsOwnerID);
ParamDelSafe(ParamID::Deprecated_EventsSerif);
// no break;
case 35: // changed format of contract invoke info
ParamIntSet(ParamID::Flags1, ParamIntGetDef(ParamID::Flags1) | Flags1::PendingRebuildNonStd);
// no break;
case 36: // changed Events table
ExecQuick("DROP INDEX IF EXISTS [Idx" TblEvents "]");
ExecQuick("DROP INDEX IF EXISTS [Idx" TblEvents TblEvents_Key "]");
ExecQuick("DROP TABLE IF EXISTS " TblEvents);
ExecQuick("DROP TABLE IF EXISTS " TblAccounts);
CreateTables36();
// no break;
case 37: // bridge
CreateTables37();
// no break;
ParamIntSet(ParamID::DbVer, nVersionTop);
// no break;
case nVersionTop:
break;
default:
if (nVer < nVersionTop)
throw NodeDBUpgradeException("Node upgrade is not supported. Please, remove node.db and tempmb files");
if (nVer > nVersionTop)
throw NodeDBUpgradeException("Unsupported db version");
}
}
t.Commit();
}
void NodeDB::CheckIntegrity()
{
std::string s = ExecTextOut("PRAGMA integrity_check");
if (s != "ok")
ThrowError(("sqlite integrity: " + s).c_str());
}
void NodeDB::Create()
{
// create tables
#define TblPrefix_Any(name) "CREATE TABLE [" #name "] ("
ExecQuick("CREATE TABLE [" TblParams "] ("
"[" TblParams_ID "] INTEGER NOT NULL PRIMARY KEY,"
"[" TblParams_Int "] INTEGER,"
"[" TblParams_Blob "] BLOB)");
ExecQuick("CREATE TABLE [" TblStates "] ("
"[" TblStates_Number "] INTEGER NOT NULL,"
"[" TblStates_Hash "] BLOB NOT NULL,"
"[" TblStates_HashPrev "] BLOB NOT NULL,"
"[" TblStates_Timestamp "] INTEGER NOT NULL,"
"[" TblStates_Kernels "] BLOB NOT NULL,"
"[" TblStates_Definition "] BLOB NOT NULL,"
"[" TblStates_Flags "] INTEGER NOT NULL,"
"[" TblStates_RowPrev "] INTEGER,"
"[" TblStates_CountNext "] INTEGER NOT NULL,"
"[" TblStates_CountNextF "] INTEGER NOT NULL,"
"[" TblStates_PoW "] BLOB,"
"[" TblStates_Rollback "] BLOB,"
"[" TblStates_BodyP "] BLOB,"
"[" TblStates_BodyE "] BLOB,"
"[" TblStates_Peer "] BLOB,"
"[" TblStates_ChainWork "] BLOB,"
"[" TblStates_Txos "] INTEGER,"
"[" TblStates_Extra "] BLOB,"
"[" TblStates_Inputs "] BLOB,"
"PRIMARY KEY (" TblStates_Number "," TblStates_Hash "),"
"FOREIGN KEY (" TblStates_RowPrev ") REFERENCES " TblStates "(OID))");
ExecQuick("CREATE INDEX [Idx" TblStates "Wrk] ON [" TblStates "] ([" TblStates_ChainWork "]);");
ExecQuick("CREATE INDEX [Idx" TblStates TblStates_Txos "] ON [" TblStates "] ([" TblStates_Txos "]);");
ExecQuick("CREATE TABLE [" TblTips "] ("
"[" TblTips_Number "] INTEGER NOT NULL,"
"[" TblTips_State "] INTEGER NOT NULL,"
"PRIMARY KEY (" TblTips_Number "," TblTips_State "),"
"FOREIGN KEY (" TblTips_State ") REFERENCES " TblStates "(OID))");
ExecQuick("CREATE TABLE [" TblTipsReachable "] ("
"[" TblTips_State "] INTEGER NOT NULL,"
"[" TblTips_ChainWork "] BLOB NOT NULL,"
"PRIMARY KEY (" TblTips_State "),"
"FOREIGN KEY (" TblTips_State ") REFERENCES " TblStates "(OID),"
"FOREIGN KEY (" TblTips_ChainWork ") REFERENCES " TblStates "(" TblStates_ChainWork "))");
ExecQuick("CREATE INDEX [Idx" TblTipsReachable "Wrk] ON [" TblTipsReachable "] ([" TblTips_ChainWork "]);");
ExecQuick("CREATE TABLE [" TblKernels "] ("
"[" TblKernels_Key "] BLOB NOT NULL,"
"[" TblKernels_Height "] INTEGER NOT NULL)");
ExecQuick("CREATE INDEX [Idx" TblKernels "] ON [" TblKernels "] ([" TblKernels_Key "],[" TblKernels_Height "] DESC);");
ExecQuick("CREATE TABLE [" TblPeer "] ("
"[" TblPeer_Key "] BLOB NOT NULL,"
"[" TblPeer_Rating "] INTEGER NOT NULL,"
"[" TblPeer_Addr "] INTEGER NOT NULL,"
"[" TblPeer_LastSeen "] INTEGER NOT NULL)");
ExecQuick("CREATE TABLE [" TblBbs "] ("
"[" TblBbs_ID "] INTEGER PRIMARY KEY AUTOINCREMENT,"
"[" TblBbs_Key "] BLOB NOT NULL,"
"[" TblBbs_Channel "] INTEGER NOT NULL,"
"[" TblBbs_Time "] INTEGER NOT NULL,"
"[" TblBbs_Msg "] BLOB NOT NULL,"
"[" TblBbs_Nonce "] INTEGER)");
ExecQuick("CREATE INDEX [Idx" TblBbs "CSeq] ON [" TblBbs "] ([" TblBbs_Channel "],[" TblBbs_ID "]);");
ExecQuick("CREATE INDEX [Idx" TblBbs "TSeq] ON [" TblBbs "] ([" TblBbs_Time "],[" TblBbs_ID "]);");
ExecQuick("CREATE INDEX [Idx" TblBbs "Key] ON [" TblBbs "] ([" TblBbs_Key "]);");
ExecQuick("CREATE TABLE [" TblDummy "] ("
"[" TblDummy_ID "] BLOB NOT NULL PRIMARY KEY,"
"[" TblDummy_SpendHeight "] INTEGER NOT NULL)");
ExecQuick("CREATE INDEX [Idx" TblDummy "H] ON [" TblDummy "] ([" TblDummy_SpendHeight "])");
ExecQuick("CREATE TABLE [" TblTxo "] ("
"[" TblTxo_ID "] INTEGER NOT NULL PRIMARY KEY,"
"[" TblTxo_Value "] BLOB NOT NULL,"
"[" TblTxo_SpendHeight "] INTEGER)");
CreateTables20();
CreateTables21();
CreateTables22();
CreateTables23();
CreateTables27();
CreateTables28();
CreateTables30();
CreateTables31();
CreateTables36();
CreateTables37();
}
void NodeDB::CreateTables20()
{
ExecQuick("CREATE TABLE [" TblStreams "] ("
"[" TblStream_ID "] INTEGER NOT NULL PRIMARY KEY,"
"[" TblStream_Value "] BLOB NOT NULL)");
ExecQuick("CREATE TABLE [" TblUnique "] ("
"[" TblUnique_Key "] BLOB NOT NULL PRIMARY KEY,"
"[" TblUnique_Value "] BLOB) WITHOUT ROWID");
}
void NodeDB::CreateTables21()
{
ExecQuick("CREATE TABLE [" TblAssetEvts "] ("
"[" TblAssetEvts_ID "] INTEGER NOT NULL,"
"[" TblAssetEvts_Height "] INTEGER NOT NULL,"
"[" TblAssetEvts_Index "] INTEGER NOT NULL,"
"[" TblAssetEvts_Data "] BLOB)");
ExecQuick("CREATE INDEX [Idx" TblAssetEvts "_1" "] ON [" TblAssetEvts "] ([" TblAssetEvts_ID "],[" TblAssetEvts_Height "],[" TblAssetEvts_Index "]);");
ExecQuick("CREATE INDEX [Idx" TblAssetEvts "_2" "] ON [" TblAssetEvts "] ([" TblAssetEvts_Height "],[" TblAssetEvts_Index "]);");
}
void NodeDB::CreateTables22()
{
ExecQuick("CREATE TABLE [" TblShieldedStatistic "] ("
"[" TblShieldedStatistic_Height"] INTEGER NOT NULL PRIMARY KEY,"
"[" TblShieldedStatistic_OutCount"] INTEGER NOT NULL)");
}
void NodeDB::CreateTables23()
{
ExecQuick("CREATE TABLE [" TblContracts "] ("
"[" TblContracts_Key "] BLOB NOT NULL PRIMARY KEY,"
"[" TblContracts_Value "] BLOB NOT NULL)");
}
void NodeDB::CreateTables27()
{
ExecQuick("CREATE TABLE [" TblContractLogs "] ("
"[" TblContractLogs_Pos "] BLOB NOT NULL PRIMARY KEY,"
"[" TblContractLogs_Key "] BLOB NOT NULL,"
"[" TblContractLogs_Data "] BLOB NOT NULL"
") WITHOUT ROWID");
ExecQuick("CREATE INDEX [Idx" TblContractLogs "_Key" "] ON [" TblContractLogs "] ([" TblContractLogs_Key "],[" TblContractLogs_Pos "]);");
}
void NodeDB::CreateTables28()
{
ExecQuick("CREATE TABLE [" TblCache "] ("
"[" TblCache_Key "] BLOB NOT NULL,"
"[" TblCache_Data "] BLOB NOT NULL,"
"[" TblCache_LastHit "] INTEGER NOT NULL)");
ExecQuick("CREATE INDEX [Idx" TblCache "_Key" "] ON [" TblCache "] ([" TblCache_Key "]);");
ExecQuick("CREATE INDEX [Idx" TblCache "_Hit" "] ON [" TblCache "] ([" TblCache_LastHit "]);");
}
void NodeDB::CreateTables30()
{
ExecQuick("CREATE TABLE [" TblKrnInfo "] ("
"[" TblKrnInfo_Pos "] BLOB NOT NULL PRIMARY KEY,"
"[" TblKrnInfo_Key "] BLOB NOT NULL,"
"[" TblKrnInfo_Data "] BLOB NOT NULL"
") WITHOUT ROWID");
ExecQuick("CREATE INDEX [Idx" TblKrnInfo "_Key" "] ON [" TblKrnInfo "] ([" TblKrnInfo_Key "],[" TblKrnInfo_Pos "]);");
}
void NodeDB::CreateTables31()
{
ExecQuick("CREATE TABLE [" TblAssets "] ("
"[" TblAssets_ID "] INTEGER NOT NULL PRIMARY KEY,"
"[" TblAssets_Owner "] BLOB,"
"[" TblAssets_Cid "] BLOB,"
"[" TblAssets_Data "] BLOB,"
"[" TblAssets_Deposit "] INTEGER,"
"[" TblAssets_LockHeight "] INTEGER,"
"[" TblAssets_Value "] BLOB)");
ExecQuick("CREATE INDEX [Idx" TblAssets "Own] ON [" TblAssets "] ([" TblAssets_Owner "])");
}
void NodeDB::CreateTables36()
{
ExecQuick("CREATE TABLE [" TblEvents "] ("
"[" TblEvents_Account "] INTEGER NOT NULL,"
"[" TblEvents_Pos "] BLOB NOT NULL,"
"[" TblEvents_Body "] BLOB NOT NULL,"
"[" TblEvents_Key "] BLOB NOT NULL)");
ExecQuick("CREATE INDEX [Idx" TblEvents "] ON [" TblEvents "] ([" TblEvents_Account "],[" TblEvents_Pos "]);");
ExecQuick("CREATE INDEX [Idx" TblEvents TblEvents_Key "] ON [" TblEvents "] ([" TblEvents_Account "],[" TblEvents_Key "],[" TblEvents_Pos "]);");
ExecQuick("CREATE TABLE [" TblAccounts "] ("
"[" TblAccounts_Index "] INTEGER NOT NULL PRIMARY KEY,"
"[" TblAccounts_OwnerID "] BLOB NOT NULL,"
"[" TblAccounts_Serif "] BLOB NOT NULL,"
"[" TblAccounts_TxoHi "] INTEGER NOT NULL)");
}
void NodeDB::CreateTables37()
{
ExecQuick("CREATE TABLE [" TblBridge "] ("
"[" TblBridge_Pos "] BLOB NOT NULL PRIMARY KEY,"
"[" TblBridge_Key "] BLOB,"
"[" TblBridge_Value "] BLOB) WITHOUT ROWID");
ExecQuick("CREATE INDEX [Idx" TblBridge "] ON [" TblBridge "] ([" TblBridge_Key "],[" TblBridge_Pos "]);");
}
void NodeDB::Vacuum()
{
ExecQuick("VACUUM");
}
void NodeDB::ExecQuick(const char* szSql)
{
int n = sqlite3_total_changes(m_pDb);
TestRet(sqlite3_exec(m_pDb, szSql, NULL, NULL, NULL));
if (sqlite3_total_changes(m_pDb) != n)
OnModified();
}
std::string NodeDB::ExecTextOut(const char* szSql)
{
int n = sqlite3_total_changes(m_pDb);
TestRet(sqlite3_exec(m_pDb, szSql, NULL, NULL, NULL));
Statement s;
Prepare(s, szSql);
std::string sRes;
if (ExecStep(s.m_pStmt))
sRes = (const char*) sqlite3_column_text(s.m_pStmt, 0);
if (sqlite3_total_changes(m_pDb) != n)
OnModified();
return sRes;
}
int NodeDB::ExecStepRaw(sqlite3_stmt* pStmt)
{
int n = sqlite3_total_changes(m_pDb);
int nVal = sqlite3_step(pStmt);
if (sqlite3_total_changes(m_pDb) != n)
OnModified();
return nVal;
}
bool NodeDB::ExecStep(sqlite3_stmt* pStmt)
{
int nVal = ExecStepRaw(pStmt);
switch (nVal)
{
default:
ThrowSqliteError(nVal);
// no break
case SQLITE_DONE:
return false;
case SQLITE_ROW:
//{
// int nCount = sqlite3_column_count(pStmt);
// for (int ii = 0; ii < nCount; ii++)
// {
// const char* sz = sqlite3_column_name(pStmt, ii);
// sz = sz;
// }
//}
return true;
}
}
bool NodeDB::ExecStep(Query::Enum val, const char* sql)
{
return ExecStep(get_Statement(val, sql).m_pStmt);
}
void NodeDB::Prepare(Statement& s, const char* szSql)
{
assert(!s.m_pStmt);
const char* szTail;
int nRet = sqlite3_prepare_v2(m_pDb, szSql, -1, &s.m_pStmt, &szTail);
TestRet(nRet);
assert(s.m_pStmt);
}
NodeDB::Statement& NodeDB::get_Statement(Query::Enum val, const char* sql)
{
assert(val < _countof(m_pPrep));
Statement& s = m_pPrep[val];
if (!s.m_pStmt)
Prepare(s, sql);
return s;
}
int NodeDB::get_RowsChanged() const
{
return sqlite3_changes(m_pDb);
}
uint64_t NodeDB::get_LastInsertRowID() const
{
return sqlite3_last_insert_rowid(m_pDb);
}
void NodeDB::TestChanged1Row()
{
if (1 != get_RowsChanged())
ThrowError("1row change failed");
}
void NodeDB::ParamSet(uint32_t ID, const uint64_t* p0, const Blob* p1)
{
Recordset rs(*this, Query::ParamSet, "INSERT OR REPLACE INTO " TblParams " (" TblParams_ID "," TblParams_Int "," TblParams_Blob ") VALUES(?,?,?)");
rs.put(0, ID);
if (p0)
rs.put(1, *p0);
if (p1)
rs.put(2, *p1);
rs.Step();
}
void NodeDB::ParamIntSet(uint32_t ID, uint64_t val)
{
ParamSet(ID, &val, nullptr);
}
bool NodeDB::ParamGet(uint32_t ID, uint64_t* p0, Blob* p1, ByteBuffer* p2 /* = NULL */)
{
Recordset rs(*this, Query::ParamGet, "SELECT " TblParams_Int "," TblParams_Blob " FROM " TblParams " WHERE " TblParams_ID "=?");
rs.put(0, ID);
if (!rs.Step())
return false;
if (p0)
rs.get(0, *p0);
if (p1)
{
if (rs.IsNull(1))
return false;
Blob x;
rs.get(1, x);
if (x.n != p1->n)
return false;
memcpy(Cast::NotConst(p1->p), x.p, x.n);
}
if (p2)
rs.get(1, *p2);
return true;
}
uint64_t NodeDB::ParamIntGetDef(uint32_t ID, uint64_t def /* = 0 */)
{
ParamGet(ID, &def, NULL);
return def;
}
bool NodeDB::ParamDelSafe(uint32_t ID)
{
Recordset rs(*this, Query::ParamDel, "DELETE FROM " TblParams " WHERE " TblParams_ID "=?");
rs.put(0, ID);
rs.Step();
return !!get_RowsChanged();
}
NodeDB::Transaction::Transaction(NodeDB* pDB)
:m_pDB(NULL)
{
if (pDB)
Start(*pDB);
}
NodeDB::Transaction::~Transaction()
{
if (std::uncaught_exceptions())
{
try {
Rollback();
}
catch (...) {
// ignore
}
}
else
Rollback();
}
void NodeDB::Transaction::Start(NodeDB& db)
{
assert(!m_pDB);
db.ExecStep(Query::Begin, "BEGIN");
m_pDB = &db;
}
void NodeDB::Transaction::Commit()
{
assert(m_pDB);
m_pDB->ExecStep(Query::Commit, "COMMIT");
m_pDB = NULL;
}
void NodeDB::Transaction::Rollback()
{
if (m_pDB)
{
m_pDB->ExecStep(Query::Rollback, "ROLLBACK");
m_pDB = nullptr;
}
}
#define StateCvt_Fields(macro, sep) \
macro(Number, m_Number.v) sep \
macro(HashPrev, m_Prev) sep \
macro(Timestamp, m_TimeStamp) sep \
macro(PoW, m_PoW) sep \
macro(ChainWork, m_ChainWork) sep \
macro(Kernels, m_Kernels) sep \
macro(Definition, m_Definition)
#define THE_MACRO_NOP0
#define THE_MACRO_COMMA_S ","
void NodeDB::get_State(uint64_t rowid, Block::SystemState::Full& out)
{
#define THE_MACRO_1(dbname, extname) TblStates_##dbname
Recordset rs(*this, Query::StateGet, "SELECT " StateCvt_Fields(THE_MACRO_1, THE_MACRO_COMMA_S) " FROM " TblStates " WHERE rowid=?");
#undef THE_MACRO_1
rs.put(0, rowid);
rs.StepStrict();
int iCol = 0;
#define THE_MACRO_1(dbname, extname) rs.get(iCol++, out.extname);
StateCvt_Fields(THE_MACRO_1, THE_MACRO_NOP0)
#undef THE_MACRO_1
}
uint64_t NodeDB::InsertState(const Block::SystemState::Full& s, const PeerID& peer)
{
assert(s.m_Number.v);
// Is there a prev? Is it a tip currently?
Difficulty::Raw wrk = s.m_ChainWork - s.m_PoW.m_Difficulty;
Recordset rs(*this, Query::StateFind2, "SELECT rowid," TblStates_CountNext " FROM " TblStates " WHERE " TblStates_Number "=? AND " TblStates_Hash "=? AND " TblStates_ChainWork "=?");
rs.put(0, s.m_Number.v - 1);