mirror of
https://github.com/dashpay/dash.git
synced 2024-12-24 19:42:46 +01:00
partial bitcoin#19077: Add sqlite as an alternative wallet database and use it for new descriptor wallets
This commit is contained in:
Kittywhiskers Van Gogh
PastaPastaPasta
parent
0fa0991e6e
commit
f42288c984
@ -1279,6 +1279,9 @@ if test x$enable_wallet != xno; then
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if test x$suppress_external_warnings != xno ; then
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BDB_CPPFLAGS=SUPPRESS_WARNINGS($BDB_CPPFLAGS)
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fi
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dnl Check for sqlite3
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PKG_CHECK_MODULES([SQLITE], [sqlite3 >= 3.7.17], , [AC_MSG_ERROR([sqlite3 not found.])])
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fi
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dnl Check for libminiupnpc (optional)
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@ -1714,6 +1717,7 @@ AC_SUBST(LIBTOOL_APP_LDFLAGS)
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AC_SUBST(USE_UPNP)
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AC_SUBST(USE_QRCODE)
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AC_SUBST(BOOST_LIBS)
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AC_SUBST(SQLITE_LIBS)
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AC_SUBST(TESTDEFS)
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AC_SUBST(MINIUPNPC_CPPFLAGS)
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AC_SUBST(MINIUPNPC_LIBS)
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@ -101,7 +101,7 @@ script: |
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echo "REAL=\`which -a ${i}-${prog}-8 | grep -v ${WRAP_DIR}/${i}-${prog} | head -1\`" >> ${WRAP_DIR}/${i}-${prog}
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echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${i}-${prog}
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echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
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echo "\$REAL \$@" >> $WRAP_DIR/${i}-${prog}
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echo "\$REAL \"\$@\"" >> $WRAP_DIR/${i}-${prog}
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chmod +x ${WRAP_DIR}/${i}-${prog}
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touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${i}-${prog}
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fi
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@ -107,7 +107,7 @@ script: |
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echo "# $(${prog} --version | head -1)" >> ${WRAP_DIR}/${i}-${prog}
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echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${i}-${prog}
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echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
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echo "\$REAL \$@" >> $WRAP_DIR/${i}-${prog}
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echo "\$REAL \"\$@\"" >> $WRAP_DIR/${i}-${prog}
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chmod +x ${WRAP_DIR}/${i}-${prog}
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touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${i}-${prog}
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done
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@ -135,7 +135,10 @@ qrencode_packages_$(NO_QR) = $(qrencode_$(host_os)_packages)
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qt_packages_$(NO_QT) = $(qt_packages) $(qt_$(host_os)_packages) $(qt_$(host_arch)_$(host_os)_packages) $(qrencode_packages_)
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wallet_packages_$(NO_WALLET) = $(wallet_packages)
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bdb_packages_$(NO_BDB) = $(bdb_packages)
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sqlite_packages_$(NO_SQLITE) = $(sqlite_packages)
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wallet_packages_$(NO_WALLET) = $(bdb_packages_) $(sqlite_packages_)
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upnp_packages_$(NO_UPNP) = $(upnp_packages)
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natpmp_packages_$(NO_NATPMP) = $(natpmp_packages)
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@ -89,6 +89,10 @@ The following can be set when running make: `make FOO=bar`
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<dd>Don't download/build/cache packages needed for enabling zeromq</dd>
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<dt>NO_WALLET</dt>
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<dd>Don't download/build/cache libs needed to enable the wallet</dd>
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<dt>NO_BDB</dt>
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<dd>Don't download/build/cache BerkeleyDB</dd>
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<dt>NO_SQLITE</dt>
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<dd>Don't download/build/cache SQLite</dd>
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<dt>NO_UPNP</dt>
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<dd>Don't download/build/cache packages needed for enabling upnp</dd>
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<dt>NO_NATPMP</dt>
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@ -11,7 +11,8 @@ qt_android_packages=qt
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qt_darwin_packages=qt
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qt_mingw32_packages=qt
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wallet_packages=bdb
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bdb_packages=bdb
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sqlite_packages=sqlite
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zmq_packages=zeromq
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26
depends/packages/sqlite.mk
Normal file
26
depends/packages/sqlite.mk
Normal file
@ -0,0 +1,26 @@
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package=sqlite
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$(package)_version=3320100
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$(package)_download_path=https://sqlite.org/2020/
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$(package)_file_name=sqlite-autoconf-$($(package)_version).tar.gz
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$(package)_sha256_hash=486748abfb16abd8af664e3a5f03b228e5f124682b0c942e157644bf6fff7d10
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define $(package)_set_vars
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$(package)_config_opts=--disable-shared --disable-readline --disable-dynamic-extensions --enable-option-checking
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$(package)_config_opts_linux=--with-pic
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endef
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define $(package)_config_cmds
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$($(package)_autoconf)
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endef
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define $(package)_build_cmds
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$(MAKE) libsqlite3.la
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endef
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define $(package)_stage_cmds
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$(MAKE) DESTDIR=$($(package)_staging_dir) install-libLTLIBRARIES install-includeHEADERS install-pkgconfigDATA
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endef
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define $(package)_postprocess_cmds
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rm lib/*.la
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endef
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@ -20,7 +20,7 @@ Then install [Homebrew](https://brew.sh).
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## Base build dependencies
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```shell
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brew install automake libtool pkg-config libnatpmp
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brew install automake libtool pkg-config libnatpmp sqlite
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```
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See [dependencies.md](dependencies.md) for a complete overview.
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@ -48,7 +48,7 @@ compiled in `disable-wallet` mode with:
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./configure --disable-wallet
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```
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In this case there is no dependency on Berkeley DB 4.8.
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In this case there is no dependency on Berkeley DB 4.8 and SQLite.
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Mining is also possible in disable-wallet mode using the `getblocktemplate` RPC call.
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@ -13,12 +13,12 @@ Run the following commands to install required packages:
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##### Debian/Ubuntu:
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```bash
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$ sudo apt-get install curl build-essential libtool autotools-dev automake pkg-config python3 bsdmainutils bison
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$ sudo apt-get install curl build-essential libtool autotools-dev automake pkg-config python3 bsdmainutils bison libsqlite3-dev
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```
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##### Fedora:
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```bash
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$ sudo dnf install gcc-c++ libtool make autoconf automake python3 libstdc++-static patch
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$ sudo dnf install gcc-c++ libtool make autoconf automake python3 libstdc++-static patch sqlite-devel
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```
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##### Arch Linux:
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@ -99,7 +99,7 @@ disable-wallet mode with:
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./configure --prefix=<prefix> --disable-wallet
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In this case there is no dependency on Berkeley DB 4.8.
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In this case there is no dependency on Berkeley DB 4.8 and SQLite.
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Mining is also possible in disable-wallet mode using the `getblocktemplate` RPC call.
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@ -24,6 +24,7 @@ These are the dependencies currently used by Dash Core. You can find instruction
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| Python (tests) | | [3.5](https://www.python.org/downloads) | | | |
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| qrencode | [3.4.4](https://fukuchi.org/works/qrencode) | | No | | |
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| Qt | [5.12.11](https://download.qt.io/official_releases/qt/) | [5.5.1](https://github.com/bitcoin/bitcoin/issues/13478) | No | | |
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| SQLite | [3.32.1](https://sqlite.org/download.html) | [3.7.17](https://github.com/bitcoin/bitcoin/pull/19077) | | | |
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| XCB | | | | | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) (Linux only) |
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| xkbcommon | | | | | [Yes](https://github.com/dashpay/dash/blob/develop/depends/packages/qt.mk) (Linux only) |
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| ZeroMQ | [4.3.1](https://github.com/zeromq/libzmq/releases) | 4.0.0 | No | | |
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@ -37,6 +38,8 @@ Some dependencies are not needed in all configurations. The following are some f
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#### Options passed to `./configure`
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* MiniUPnPc is not needed with `--without-miniupnpc`.
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* Berkeley DB is not needed with `--disable-wallet`.
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* SQLite is not needed with `--disable-wallet`.
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* libnatpmp is not needed with `--without-natpmp`.
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* Qt is not needed with `--without-gui`.
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* If the qrencode dependency is absent, QR support won't be added. To force an error when that happens, pass `--with-qrencode`.
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@ -75,8 +75,9 @@ Subdirectory | File(s) | Description
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-------------|-------------------|------------
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`database/` | BDB logging files | Part of BDB environment; created at start and deleted on shutdown; a user *must keep it as safe* as personal wallet `wallet.dat`
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`./` | `db.log` | BDB error file
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`./` | `wallet.dat` | Personal wallet (BDB) with keys and transactions
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`./` | `wallet.dat` | Personal wallet with keys and transactions. May be either a Berkeley DB or SQLite database file.
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`./` | `.walletlock` | Wallet lock file
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`./` | `wallet.dat-journal` | SQLite Rollback Journal file for `wallet.dat`. Usually created at start and deleted on shutdown. A user *must keep it as safe* as the `wallet.dat` file.
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1. Each user-defined wallet named "wallet_name" resides in `wallets/wallet_name/` subdirectory.
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@ -337,6 +337,7 @@ BITCOIN_CORE_H = \
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wallet/rpcwallet.h \
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wallet/salvage.h \
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wallet/scriptpubkeyman.h \
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wallet/sqlite.h \
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wallet/wallet.h \
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wallet/walletdb.h \
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wallet/wallettool.h \
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@ -502,6 +503,7 @@ libbitcoin_wallet_a_SOURCES = \
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wallet/rpcwallet.cpp \
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wallet/salvage.cpp \
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wallet/scriptpubkeyman.cpp \
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wallet/sqlite.cpp \
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wallet/wallet.cpp \
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wallet/walletdb.cpp \
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wallet/walletutil.cpp \
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@ -771,7 +773,7 @@ dashd_LDADD = \
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$(LIBMEMENV) \
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$(LIBSECP256K1)
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dashd_LDADD += $(BACKTRACE_LIB) $(BOOST_LIBS) $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(ZMQ_LIBS) $(GMP_LIBS)
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dashd_LDADD += $(BACKTRACE_LIB) $(BOOST_LIBS) $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(SQLITE_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(ZMQ_LIBS) $(GMP_LIBS)
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# dash-cli binary #
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dash_cli_SOURCES = bitcoin-cli.cpp
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@ -842,7 +844,7 @@ dash_wallet_LDADD = \
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$(LIBSECP256K1) \
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$(LIBUNIVALUE)
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dash_wallet_LDADD += $(BACKTRACE_LIB) $(BOOST_LIBS) $(BDB_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(ZMQ_LIBS) $(GMP_LIBS)
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dash_wallet_LDADD += $(BACKTRACE_LIB) $(BOOST_LIBS) $(BDB_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(SQLITE_LIBS) $(ZMQ_LIBS) $(GMP_LIBS)
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#
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# dashconsensus library #
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@ -79,7 +79,7 @@ bench_bench_dash_SOURCES += bench/coin_selection.cpp
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bench_bench_dash_SOURCES += bench/wallet_balance.cpp
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endif
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bench_bench_dash_LDADD += $(BACKTRACE_LIB) $(BOOST_LIBS) $(BDB_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(GMP_LIBS)
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bench_bench_dash_LDADD += $(BACKTRACE_LIB) $(BOOST_LIBS) $(BDB_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(SQLITE_LIBS) $(GMP_LIBS)
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bench_bench_dash_LDFLAGS = $(LDFLAGS_WRAP_EXCEPTIONS) $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(PTHREAD_FLAGS)
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CLEAN_BITCOIN_BENCH = bench/*.gcda bench/*.gcno $(GENERATED_BENCH_FILES)
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@ -389,7 +389,7 @@ if ENABLE_ZMQ
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qt_dash_qt_LDADD += $(LIBBITCOIN_ZMQ) $(ZMQ_LIBS)
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endif
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qt_dash_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CONSENSUS) $(LIBBITCOIN_CRYPTO) $(LIBDASHBLS) $(LIBUNIVALUE) $(LIBLEVELDB) $(LIBLEVELDB_SSE42) $(LIBMEMENV) \
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$(BACKTRACE_LIB) $(BOOST_LIBS) $(QT_LIBS) $(QT_DBUS_LIBS) $(QR_LIBS) $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(LIBSECP256K1) \
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$(BACKTRACE_LIB) $(BOOST_LIBS) $(QT_LIBS) $(QT_DBUS_LIBS) $(QR_LIBS) $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(SQLITE_LIBS) $(LIBSECP256K1) \
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$(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(GMP_LIBS)
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qt_dash_qt_LDFLAGS = $(LDFLAGS_WRAP_EXCEPTIONS) $(RELDFLAGS) $(AM_LDFLAGS) $(QT_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(PTHREAD_FLAGS)
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qt_dash_qt_LIBTOOLFLAGS = $(AM_LIBTOOLFLAGS) --tag CXX
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@ -59,7 +59,7 @@ qt_test_test_dash_qt_LDADD += $(LIBBITCOIN_ZMQ) $(ZMQ_LIBS)
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endif
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qt_test_test_dash_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CONSENSUS) $(LIBBITCOIN_CRYPTO) $(LIBDASHBLS) $(LIBUNIVALUE) $(LIBLEVELDB) \
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$(LIBLEVELDB_SSE42) $(LIBMEMENV) $(BACKTRACE_LIB) $(BOOST_LIBS) $(QT_DBUS_LIBS) $(QT_TEST_LIBS) $(QT_LIBS) \
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$(QR_LIBS) $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(LIBSECP256K1) \
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$(QR_LIBS) $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(SQLITE_LIBS) $(LIBSECP256K1) \
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$(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(GMP_LIBS)
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qt_test_test_dash_qt_LDFLAGS = $(LDFLAGS_WRAP_EXCEPTIONS) $(RELDFLAGS) $(AM_LDFLAGS) $(QT_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(PTHREAD_FLAGS)
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qt_test_test_dash_qt_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
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@ -49,6 +49,7 @@ FUZZ_SUITE_LD_COMMON = \
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$(LIBBITCOIN_CLI) \
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$(LIBDASHBLS) \
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$(BDB_LIBS) \
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$(SQLITE_LIBS) \
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$(LIBUNIVALUE) \
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$(LIBLEVELDB) \
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$(LIBLEVELDB_SSE42) \
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@ -189,7 +190,7 @@ test_test_dash_LDADD += $(LIBBITCOIN_SERVER) $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMM
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$(LIBDASHBLS) $(LIBLEVELDB) $(LIBLEVELDB_SSE42) $(LIBMEMENV) $(BACKTRACE_LIB) $(BOOST_LIBS) $(BOOST_UNIT_TEST_FRAMEWORK_LIB) $(LIBSECP256K1) $(EVENT_LIBS) $(EVENT_PTHREADS_LIBS)
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test_test_dash_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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test_test_dash_LDADD += $(BDB_LIBS) $(MINIUPNPC_LIBS) $(NATPMP_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(GMP_LIBS)
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test_test_dash_LDADD += $(BDB_LIBS) $(MINIUPNPC_LIBS) $(SQLITE_LIBS) $(NATPMP_LIBS) $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS) $(GMP_LIBS)
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test_test_dash_LDFLAGS = $(LDFLAGS_WRAP_EXCEPTIONS) $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(PTHREAD_FLAGS) -static
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if ENABLE_ZMQ
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@ -813,7 +813,7 @@ bool ExistsBerkeleyDatabase(const fs::path& path)
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fs::path env_directory;
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std::string data_filename;
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SplitWalletPath(path, env_directory, data_filename);
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return IsBerkeleyBtree(env_directory / data_filename);
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return IsBDBFile(env_directory / data_filename);
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}
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std::unique_ptr<BerkeleyDatabase> MakeBerkeleyDatabase(const fs::path& path, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error)
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@ -839,3 +839,28 @@ std::unique_ptr<BerkeleyDatabase> MakeBerkeleyDatabase(const fs::path& path, con
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status = DatabaseStatus::SUCCESS;
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return db;
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}
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bool IsBDBFile(const fs::path& path)
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{
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if (!fs::exists(path)) return false;
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// A Berkeley DB Btree file has at least 4K.
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// This check also prevents opening lock files.
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boost::system::error_code ec;
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auto size = fs::file_size(path, ec);
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if (ec) LogPrintf("%s: %s %s\n", __func__, ec.message(), path.string());
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if (size < 4096) return false;
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fsbridge::ifstream file(path, std::ios::binary);
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if (!file.is_open()) return false;
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file.seekg(12, std::ios::beg); // Magic bytes start at offset 12
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uint32_t data = 0;
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file.read((char*) &data, sizeof(data)); // Read 4 bytes of file to compare against magic
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// Berkeley DB Btree magic bytes, from:
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// https://github.com/file/file/blob/5824af38469ec1ca9ac3ffd251e7afe9dc11e227/magic/Magdir/database#L74-L75
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// - big endian systems - 00 05 31 62
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// - little endian systems - 62 31 05 00
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return data == 0x00053162 || data == 0x62310500;
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}
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@ -87,7 +87,7 @@ public:
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std::shared_ptr<BerkeleyEnvironment> GetWalletEnv(const fs::path& wallet_path, std::string& database_filename);
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/** Check format of database file */
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bool IsBerkeleyBtree(const fs::path& path);
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bool IsBDBFile(const fs::path& path);
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class BerkeleyBatch;
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@ -194,11 +194,13 @@ public:
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enum class DatabaseFormat {
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BERKELEY,
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SQLITE,
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};
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struct DatabaseOptions {
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bool require_existing = false;
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bool require_create = false;
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std::optional<DatabaseFormat> require_format;
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uint64_t create_flags = 0;
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SecureString create_passphrase;
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bool verify = true;
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628
src/wallet/sqlite.cpp
Normal file
628
src/wallet/sqlite.cpp
Normal file
@ -0,0 +1,628 @@
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// Copyright (c) 2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <wallet/sqlite.h>
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#include <chainparams.h>
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#include <crypto/common.h>
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#include <logging.h>
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#include <sync.h>
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#include <util/strencodings.h>
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#include <util/system.h>
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#include <util/translation.h>
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#include <wallet/db.h>
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#include <sqlite3.h>
|
||||
#include <stdint.h>
|
||||
|
||||
static const char* const DATABASE_FILENAME = "wallet.dat";
|
||||
static constexpr int32_t WALLET_SCHEMA_VERSION = 0;
|
||||
|
||||
static Mutex g_sqlite_mutex;
|
||||
static int g_sqlite_count GUARDED_BY(g_sqlite_mutex) = 0;
|
||||
|
||||
static void ErrorLogCallback(void* arg, int code, const char* msg)
|
||||
{
|
||||
// From sqlite3_config() documentation for the SQLITE_CONFIG_LOG option:
|
||||
// "The void pointer that is the second argument to SQLITE_CONFIG_LOG is passed through as
|
||||
// the first parameter to the application-defined logger function whenever that function is
|
||||
// invoked."
|
||||
// Assert that this is the case:
|
||||
assert(arg == nullptr);
|
||||
LogPrintf("SQLite Error. Code: %d. Message: %s\n", code, msg);
|
||||
}
|
||||
|
||||
SQLiteDatabase::SQLiteDatabase(const fs::path& dir_path, const fs::path& file_path, bool mock)
|
||||
: WalletDatabase(), m_mock(mock), m_dir_path(dir_path.string()), m_file_path(file_path.string())
|
||||
{
|
||||
{
|
||||
LOCK(g_sqlite_mutex);
|
||||
LogPrintf("Using SQLite Version %s\n", SQLiteDatabaseVersion());
|
||||
LogPrintf("Using wallet %s\n", m_dir_path);
|
||||
|
||||
if (++g_sqlite_count == 1) {
|
||||
// Setup logging
|
||||
int ret = sqlite3_config(SQLITE_CONFIG_LOG, ErrorLogCallback, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to setup error log: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
// Force serialized threading mode
|
||||
ret = sqlite3_config(SQLITE_CONFIG_SERIALIZED);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to configure serialized threading mode: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
}
|
||||
int ret = sqlite3_initialize(); // This is a no-op if sqlite3 is already initialized
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to initialize SQLite: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
}
|
||||
|
||||
try {
|
||||
Open();
|
||||
} catch (const std::runtime_error&) {
|
||||
// If open fails, cleanup this object and rethrow the exception
|
||||
Cleanup();
|
||||
throw;
|
||||
}
|
||||
}
|
||||
|
||||
void SQLiteBatch::SetupSQLStatements()
|
||||
{
|
||||
int res;
|
||||
if (!m_read_stmt) {
|
||||
if ((res = sqlite3_prepare_v2(m_database.m_db, "SELECT value FROM main WHERE key = ?", -1, &m_read_stmt, nullptr)) != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to setup SQL statements: %s\n", sqlite3_errstr(res)));
|
||||
}
|
||||
}
|
||||
if (!m_insert_stmt) {
|
||||
if ((res = sqlite3_prepare_v2(m_database.m_db, "INSERT INTO main VALUES(?, ?)", -1, &m_insert_stmt, nullptr)) != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to setup SQL statements: %s\n", sqlite3_errstr(res)));
|
||||
}
|
||||
}
|
||||
if (!m_overwrite_stmt) {
|
||||
if ((res = sqlite3_prepare_v2(m_database.m_db, "INSERT or REPLACE into main values(?, ?)", -1, &m_overwrite_stmt, nullptr)) != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to setup SQL statements: %s\n", sqlite3_errstr(res)));
|
||||
}
|
||||
}
|
||||
if (!m_delete_stmt) {
|
||||
if ((res = sqlite3_prepare_v2(m_database.m_db, "DELETE FROM main WHERE key = ?", -1, &m_delete_stmt, nullptr)) != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to setup SQL statements: %s\n", sqlite3_errstr(res)));
|
||||
}
|
||||
}
|
||||
if (!m_cursor_stmt) {
|
||||
if ((res = sqlite3_prepare_v2(m_database.m_db, "SELECT key, value FROM main", -1, &m_cursor_stmt, nullptr)) != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to setup SQL statements : %s\n", sqlite3_errstr(res)));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SQLiteDatabase::~SQLiteDatabase()
|
||||
{
|
||||
Cleanup();
|
||||
}
|
||||
|
||||
void SQLiteDatabase::Cleanup() noexcept
|
||||
{
|
||||
Close();
|
||||
|
||||
LOCK(g_sqlite_mutex);
|
||||
if (--g_sqlite_count == 0) {
|
||||
int ret = sqlite3_shutdown();
|
||||
if (ret != SQLITE_OK) {
|
||||
LogPrintf("SQLiteDatabase: Failed to shutdown SQLite: %s\n", sqlite3_errstr(ret));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool SQLiteDatabase::Verify(bilingual_str& error)
|
||||
{
|
||||
assert(m_db);
|
||||
|
||||
// Check the application ID matches our network magic
|
||||
sqlite3_stmt* app_id_stmt{nullptr};
|
||||
int ret = sqlite3_prepare_v2(m_db, "PRAGMA application_id", -1, &app_id_stmt, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
sqlite3_finalize(app_id_stmt);
|
||||
error = strprintf(_("SQLiteDatabase: Failed to prepare the statement to fetch the application id: %s"), sqlite3_errstr(ret));
|
||||
return false;
|
||||
}
|
||||
ret = sqlite3_step(app_id_stmt);
|
||||
if (ret != SQLITE_ROW) {
|
||||
sqlite3_finalize(app_id_stmt);
|
||||
error = strprintf(_("SQLiteDatabase: Failed to fetch the application id: %s"), sqlite3_errstr(ret));
|
||||
return false;
|
||||
}
|
||||
uint32_t app_id = static_cast<uint32_t>(sqlite3_column_int(app_id_stmt, 0));
|
||||
sqlite3_finalize(app_id_stmt);
|
||||
uint32_t net_magic = ReadBE32(Params().MessageStart());
|
||||
if (app_id != net_magic) {
|
||||
error = strprintf(_("SQLiteDatabase: Unexpected application id. Expected %u, got %u"), net_magic, app_id);
|
||||
return false;
|
||||
}
|
||||
|
||||
// Check our schema version
|
||||
sqlite3_stmt* user_ver_stmt{nullptr};
|
||||
ret = sqlite3_prepare_v2(m_db, "PRAGMA user_version", -1, &user_ver_stmt, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
sqlite3_finalize(user_ver_stmt);
|
||||
error = strprintf(_("SQLiteDatabase: Failed to prepare the statement to fetch sqlite wallet schema version: %s"), sqlite3_errstr(ret));
|
||||
return false;
|
||||
}
|
||||
ret = sqlite3_step(user_ver_stmt);
|
||||
if (ret != SQLITE_ROW) {
|
||||
sqlite3_finalize(user_ver_stmt);
|
||||
error = strprintf(_("SQLiteDatabase: Failed to fetch sqlite wallet schema version: %s"), sqlite3_errstr(ret));
|
||||
return false;
|
||||
}
|
||||
int32_t user_ver = sqlite3_column_int(user_ver_stmt, 0);
|
||||
sqlite3_finalize(user_ver_stmt);
|
||||
if (user_ver != WALLET_SCHEMA_VERSION) {
|
||||
error = strprintf(_("SQLiteDatabase: Unknown sqlite wallet schema version %d. Only version %d is supported"), user_ver, WALLET_SCHEMA_VERSION);
|
||||
return false;
|
||||
}
|
||||
|
||||
sqlite3_stmt* stmt{nullptr};
|
||||
ret = sqlite3_prepare_v2(m_db, "PRAGMA integrity_check", -1, &stmt, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
sqlite3_finalize(stmt);
|
||||
error = strprintf(_("SQLiteDatabase: Failed to prepare statement to verify database: %s"), sqlite3_errstr(ret));
|
||||
return false;
|
||||
}
|
||||
while (true) {
|
||||
ret = sqlite3_step(stmt);
|
||||
if (ret == SQLITE_DONE) {
|
||||
break;
|
||||
}
|
||||
if (ret != SQLITE_ROW) {
|
||||
error = strprintf(_("SQLiteDatabase: Failed to execute statement to verify database: %s"), sqlite3_errstr(ret));
|
||||
break;
|
||||
}
|
||||
const char* msg = (const char*)sqlite3_column_text(stmt, 0);
|
||||
if (!msg) {
|
||||
error = strprintf(_("SQLiteDatabase: Failed to read database verification error: %s"), sqlite3_errstr(ret));
|
||||
break;
|
||||
}
|
||||
std::string str_msg(msg);
|
||||
if (str_msg == "ok") {
|
||||
continue;
|
||||
}
|
||||
if (error.empty()) {
|
||||
error = _("Failed to verify database") + Untranslated("\n");
|
||||
}
|
||||
error += Untranslated(strprintf("%s\n", str_msg));
|
||||
}
|
||||
sqlite3_finalize(stmt);
|
||||
return error.empty();
|
||||
}
|
||||
|
||||
void SQLiteDatabase::Open()
|
||||
{
|
||||
int flags = SQLITE_OPEN_FULLMUTEX | SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
|
||||
if (m_mock) {
|
||||
flags |= SQLITE_OPEN_MEMORY; // In memory database for mock db
|
||||
}
|
||||
|
||||
if (m_db == nullptr) {
|
||||
TryCreateDirectories(m_dir_path);
|
||||
int ret = sqlite3_open_v2(m_file_path.c_str(), &m_db, flags, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to open database: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
}
|
||||
|
||||
if (sqlite3_db_readonly(m_db, "main") != 0) {
|
||||
throw std::runtime_error("SQLiteDatabase: Database opened in readonly mode but read-write permissions are needed");
|
||||
}
|
||||
|
||||
// Acquire an exclusive lock on the database
|
||||
// First change the locking mode to exclusive
|
||||
int ret = sqlite3_exec(m_db, "PRAGMA locking_mode = exclusive", nullptr, nullptr, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Unable to change database locking mode to exclusive: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
// Now begin a transaction to acquire the exclusive lock. This lock won't be released until we close because of the exclusive locking mode.
|
||||
ret = sqlite3_exec(m_db, "BEGIN EXCLUSIVE TRANSACTION", nullptr, nullptr, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error("SQLiteDatabase: Unable to obtain an exclusive lock on the database, is it being used by another bitcoind?\n");
|
||||
}
|
||||
ret = sqlite3_exec(m_db, "COMMIT", nullptr, nullptr, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Unable to end exclusive lock transaction: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
|
||||
// Enable fullfsync for the platforms that use it
|
||||
ret = sqlite3_exec(m_db, "PRAGMA fullfsync = true", nullptr, nullptr, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to enable fullfsync: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
|
||||
// Make the table for our key-value pairs
|
||||
// First check that the main table exists
|
||||
sqlite3_stmt* check_main_stmt{nullptr};
|
||||
ret = sqlite3_prepare_v2(m_db, "SELECT name FROM sqlite_master WHERE type='table' AND name='main'", -1, &check_main_stmt, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to prepare statement to check table existence: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
ret = sqlite3_step(check_main_stmt);
|
||||
if (sqlite3_finalize(check_main_stmt) != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to finalize statement checking table existence: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
bool table_exists;
|
||||
if (ret == SQLITE_DONE) {
|
||||
table_exists = false;
|
||||
} else if (ret == SQLITE_ROW) {
|
||||
table_exists = true;
|
||||
} else {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to execute statement to check table existence: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
|
||||
// Do the db setup things because the table doesn't exist only when we are creating a new wallet
|
||||
if (!table_exists) {
|
||||
ret = sqlite3_exec(m_db, "CREATE TABLE main(key BLOB PRIMARY KEY NOT NULL, value BLOB NOT NULL)", nullptr, nullptr, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to create new database: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
|
||||
// Set the application id
|
||||
uint32_t app_id = ReadBE32(Params().MessageStart());
|
||||
std::string set_app_id = strprintf("PRAGMA application_id = %d", static_cast<int32_t>(app_id));
|
||||
ret = sqlite3_exec(m_db, set_app_id.c_str(), nullptr, nullptr, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to set the application id: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
|
||||
// Set the user version
|
||||
std::string set_user_ver = strprintf("PRAGMA user_version = %d", WALLET_SCHEMA_VERSION);
|
||||
ret = sqlite3_exec(m_db, set_user_ver.c_str(), nullptr, nullptr, nullptr);
|
||||
if (ret != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to set the wallet schema version: %s\n", sqlite3_errstr(ret)));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool SQLiteDatabase::Rewrite(const char* skip)
|
||||
{
|
||||
// Rewrite the database using the VACUUM command: https://sqlite.org/lang_vacuum.html
|
||||
int ret = sqlite3_exec(m_db, "VACUUM", nullptr, nullptr, nullptr);
|
||||
return ret == SQLITE_OK;
|
||||
}
|
||||
|
||||
bool SQLiteDatabase::Backup(const std::string& dest) const
|
||||
{
|
||||
sqlite3* db_copy;
|
||||
int res = sqlite3_open(dest.c_str(), &db_copy);
|
||||
if (res != SQLITE_OK) {
|
||||
sqlite3_close(db_copy);
|
||||
return false;
|
||||
}
|
||||
sqlite3_backup* backup = sqlite3_backup_init(db_copy, "main", m_db, "main");
|
||||
if (!backup) {
|
||||
LogPrintf("%s: Unable to begin backup: %s\n", __func__, sqlite3_errmsg(m_db));
|
||||
sqlite3_close(db_copy);
|
||||
return false;
|
||||
}
|
||||
// Specifying -1 will copy all of the pages
|
||||
res = sqlite3_backup_step(backup, -1);
|
||||
if (res != SQLITE_DONE) {
|
||||
LogPrintf("%s: Unable to backup: %s\n", __func__, sqlite3_errstr(res));
|
||||
sqlite3_backup_finish(backup);
|
||||
sqlite3_close(db_copy);
|
||||
return false;
|
||||
}
|
||||
res = sqlite3_backup_finish(backup);
|
||||
sqlite3_close(db_copy);
|
||||
return res == SQLITE_OK;
|
||||
}
|
||||
|
||||
void SQLiteDatabase::Close()
|
||||
{
|
||||
int res = sqlite3_close(m_db);
|
||||
if (res != SQLITE_OK) {
|
||||
throw std::runtime_error(strprintf("SQLiteDatabase: Failed to close database: %s\n", sqlite3_errstr(res)));
|
||||
}
|
||||
m_db = nullptr;
|
||||
}
|
||||
|
||||
std::unique_ptr<DatabaseBatch> SQLiteDatabase::MakeBatch(bool flush_on_close)
|
||||
{
|
||||
// We ignore flush_on_close because we don't do manual flushing for SQLite
|
||||
return std::make_unique<SQLiteBatch>(*this);
|
||||
}
|
||||
|
||||
SQLiteBatch::SQLiteBatch(SQLiteDatabase& database)
|
||||
: m_database(database)
|
||||
{
|
||||
// Make sure we have a db handle
|
||||
assert(m_database.m_db);
|
||||
|
||||
SetupSQLStatements();
|
||||
}
|
||||
|
||||
void SQLiteBatch::Close()
|
||||
{
|
||||
// If m_db is in a transaction (i.e. not in autocommit mode), then abort the transaction in progress
|
||||
if (m_database.m_db && sqlite3_get_autocommit(m_database.m_db) == 0) {
|
||||
if (TxnAbort()) {
|
||||
LogPrintf("SQLiteBatch: Batch closed unexpectedly without the transaction being explicitly committed or aborted\n");
|
||||
} else {
|
||||
LogPrintf("SQLiteBatch: Batch closed and failed to abort transaction\n");
|
||||
}
|
||||
}
|
||||
|
||||
// Free all of the prepared statements
|
||||
int ret = sqlite3_finalize(m_read_stmt);
|
||||
if (ret != SQLITE_OK) {
|
||||
LogPrintf("SQLiteBatch: Batch closed but could not finalize read statement: %s\n", sqlite3_errstr(ret));
|
||||
}
|
||||
ret = sqlite3_finalize(m_insert_stmt);
|
||||
if (ret != SQLITE_OK) {
|
||||
LogPrintf("SQLiteBatch: Batch closed but could not finalize insert statement: %s\n", sqlite3_errstr(ret));
|
||||
}
|
||||
ret = sqlite3_finalize(m_overwrite_stmt);
|
||||
if (ret != SQLITE_OK) {
|
||||
LogPrintf("SQLiteBatch: Batch closed but could not finalize overwrite statement: %s\n", sqlite3_errstr(ret));
|
||||
}
|
||||
ret = sqlite3_finalize(m_delete_stmt);
|
||||
if (ret != SQLITE_OK) {
|
||||
LogPrintf("SQLiteBatch: Batch closed but could not finalize delete statement: %s\n", sqlite3_errstr(ret));
|
||||
}
|
||||
ret = sqlite3_finalize(m_cursor_stmt);
|
||||
if (ret != SQLITE_OK) {
|
||||
LogPrintf("SQLiteBatch: Batch closed but could not finalize cursor statement: %s\n", sqlite3_errstr(ret));
|
||||
}
|
||||
m_read_stmt = nullptr;
|
||||
m_insert_stmt = nullptr;
|
||||
m_overwrite_stmt = nullptr;
|
||||
m_delete_stmt = nullptr;
|
||||
m_cursor_stmt = nullptr;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::ReadKey(CDataStream&& key, CDataStream& value)
|
||||
{
|
||||
if (!m_database.m_db) return false;
|
||||
assert(m_read_stmt);
|
||||
|
||||
// Bind: leftmost parameter in statement is index 1
|
||||
int res = sqlite3_bind_blob(m_read_stmt, 1, key.data(), key.size(), SQLITE_STATIC);
|
||||
if (res != SQLITE_OK) {
|
||||
LogPrintf("%s: Unable to bind statement: %s\n", __func__, sqlite3_errstr(res));
|
||||
sqlite3_clear_bindings(m_read_stmt);
|
||||
sqlite3_reset(m_read_stmt);
|
||||
return false;
|
||||
}
|
||||
res = sqlite3_step(m_read_stmt);
|
||||
if (res != SQLITE_ROW) {
|
||||
if (res != SQLITE_DONE) {
|
||||
// SQLITE_DONE means "not found", don't log an error in that case.
|
||||
LogPrintf("%s: Unable to execute statement: %s\n", __func__, sqlite3_errstr(res));
|
||||
}
|
||||
sqlite3_clear_bindings(m_read_stmt);
|
||||
sqlite3_reset(m_read_stmt);
|
||||
return false;
|
||||
}
|
||||
// Leftmost column in result is index 0
|
||||
const char* data = reinterpret_cast<const char*>(sqlite3_column_blob(m_read_stmt, 0));
|
||||
int data_size = sqlite3_column_bytes(m_read_stmt, 0);
|
||||
value.write(data, data_size);
|
||||
|
||||
sqlite3_clear_bindings(m_read_stmt);
|
||||
sqlite3_reset(m_read_stmt);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::WriteKey(CDataStream&& key, CDataStream&& value, bool overwrite)
|
||||
{
|
||||
if (!m_database.m_db) return false;
|
||||
assert(m_insert_stmt && m_overwrite_stmt);
|
||||
|
||||
sqlite3_stmt* stmt;
|
||||
if (overwrite) {
|
||||
stmt = m_overwrite_stmt;
|
||||
} else {
|
||||
stmt = m_insert_stmt;
|
||||
}
|
||||
|
||||
// Bind: leftmost parameter in statement is index 1
|
||||
// Insert index 1 is key, 2 is value
|
||||
int res = sqlite3_bind_blob(stmt, 1, key.data(), key.size(), SQLITE_STATIC);
|
||||
if (res != SQLITE_OK) {
|
||||
LogPrintf("%s: Unable to bind key to statement: %s\n", __func__, sqlite3_errstr(res));
|
||||
sqlite3_clear_bindings(stmt);
|
||||
sqlite3_reset(stmt);
|
||||
return false;
|
||||
}
|
||||
res = sqlite3_bind_blob(stmt, 2, value.data(), value.size(), SQLITE_STATIC);
|
||||
if (res != SQLITE_OK) {
|
||||
LogPrintf("%s: Unable to bind value to statement: %s\n", __func__, sqlite3_errstr(res));
|
||||
sqlite3_clear_bindings(stmt);
|
||||
sqlite3_reset(stmt);
|
||||
return false;
|
||||
}
|
||||
|
||||
// Execute
|
||||
res = sqlite3_step(stmt);
|
||||
sqlite3_clear_bindings(stmt);
|
||||
sqlite3_reset(stmt);
|
||||
if (res != SQLITE_DONE) {
|
||||
LogPrintf("%s: Unable to execute statement: %s\n", __func__, sqlite3_errstr(res));
|
||||
}
|
||||
return res == SQLITE_DONE;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::EraseKey(CDataStream&& key)
|
||||
{
|
||||
if (!m_database.m_db) return false;
|
||||
assert(m_delete_stmt);
|
||||
|
||||
// Bind: leftmost parameter in statement is index 1
|
||||
int res = sqlite3_bind_blob(m_delete_stmt, 1, key.data(), key.size(), SQLITE_STATIC);
|
||||
if (res != SQLITE_OK) {
|
||||
LogPrintf("%s: Unable to bind statement: %s\n", __func__, sqlite3_errstr(res));
|
||||
sqlite3_clear_bindings(m_delete_stmt);
|
||||
sqlite3_reset(m_delete_stmt);
|
||||
return false;
|
||||
}
|
||||
|
||||
// Execute
|
||||
res = sqlite3_step(m_delete_stmt);
|
||||
sqlite3_clear_bindings(m_delete_stmt);
|
||||
sqlite3_reset(m_delete_stmt);
|
||||
if (res != SQLITE_DONE) {
|
||||
LogPrintf("%s: Unable to execute statement: %s\n", __func__, sqlite3_errstr(res));
|
||||
}
|
||||
return res == SQLITE_DONE;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::HasKey(CDataStream&& key)
|
||||
{
|
||||
if (!m_database.m_db) return false;
|
||||
assert(m_read_stmt);
|
||||
|
||||
// Bind: leftmost parameter in statement is index 1
|
||||
bool ret = false;
|
||||
int res = sqlite3_bind_blob(m_read_stmt, 1, key.data(), key.size(), SQLITE_STATIC);
|
||||
if (res == SQLITE_OK) {
|
||||
res = sqlite3_step(m_read_stmt);
|
||||
if (res == SQLITE_ROW) {
|
||||
ret = true;
|
||||
}
|
||||
}
|
||||
|
||||
sqlite3_clear_bindings(m_read_stmt);
|
||||
sqlite3_reset(m_read_stmt);
|
||||
return ret;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::StartCursor()
|
||||
{
|
||||
assert(!m_cursor_init);
|
||||
if (!m_database.m_db) return false;
|
||||
m_cursor_init = true;
|
||||
return true;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::ReadAtCursor(CDataStream& key, CDataStream& value, bool& complete)
|
||||
{
|
||||
complete = false;
|
||||
|
||||
if (!m_cursor_init) return false;
|
||||
|
||||
int res = sqlite3_step(m_cursor_stmt);
|
||||
if (res == SQLITE_DONE) {
|
||||
complete = true;
|
||||
return true;
|
||||
}
|
||||
if (res != SQLITE_ROW) {
|
||||
LogPrintf("SQLiteBatch::ReadAtCursor: Unable to execute cursor step: %s\n", sqlite3_errstr(res));
|
||||
return false;
|
||||
}
|
||||
|
||||
// Leftmost column in result is index 0
|
||||
const char* key_data = reinterpret_cast<const char*>(sqlite3_column_blob(m_cursor_stmt, 0));
|
||||
int key_data_size = sqlite3_column_bytes(m_cursor_stmt, 0);
|
||||
key.write(key_data, key_data_size);
|
||||
const char* value_data = reinterpret_cast<const char*>(sqlite3_column_blob(m_cursor_stmt, 1));
|
||||
int value_data_size = sqlite3_column_bytes(m_cursor_stmt, 1);
|
||||
value.write(value_data, value_data_size);
|
||||
return true;
|
||||
}
|
||||
|
||||
void SQLiteBatch::CloseCursor()
|
||||
{
|
||||
sqlite3_reset(m_cursor_stmt);
|
||||
m_cursor_init = false;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::TxnBegin()
|
||||
{
|
||||
if (!m_database.m_db || sqlite3_get_autocommit(m_database.m_db) == 0) return false;
|
||||
int res = sqlite3_exec(m_database.m_db, "BEGIN TRANSACTION", nullptr, nullptr, nullptr);
|
||||
if (res != SQLITE_OK) {
|
||||
LogPrintf("SQLiteBatch: Failed to begin the transaction\n");
|
||||
}
|
||||
return res == SQLITE_OK;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::TxnCommit()
|
||||
{
|
||||
if (!m_database.m_db || sqlite3_get_autocommit(m_database.m_db) != 0) return false;
|
||||
int res = sqlite3_exec(m_database.m_db, "COMMIT TRANSACTION", nullptr, nullptr, nullptr);
|
||||
if (res != SQLITE_OK) {
|
||||
LogPrintf("SQLiteBatch: Failed to commit the transaction\n");
|
||||
}
|
||||
return res == SQLITE_OK;
|
||||
}
|
||||
|
||||
bool SQLiteBatch::TxnAbort()
|
||||
{
|
||||
if (!m_database.m_db || sqlite3_get_autocommit(m_database.m_db) != 0) return false;
|
||||
int res = sqlite3_exec(m_database.m_db, "ROLLBACK TRANSACTION", nullptr, nullptr, nullptr);
|
||||
if (res != SQLITE_OK) {
|
||||
LogPrintf("SQLiteBatch: Failed to abort the transaction\n");
|
||||
}
|
||||
return res == SQLITE_OK;
|
||||
}
|
||||
|
||||
bool ExistsSQLiteDatabase(const fs::path& path)
|
||||
{
|
||||
const fs::path file = path / DATABASE_FILENAME;
|
||||
return fs::symlink_status(file).type() == fs::regular_file && IsSQLiteFile(file);
|
||||
}
|
||||
|
||||
std::unique_ptr<SQLiteDatabase> MakeSQLiteDatabase(const fs::path& path, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error)
|
||||
{
|
||||
const fs::path file = path / DATABASE_FILENAME;
|
||||
try {
|
||||
auto db = std::make_unique<SQLiteDatabase>(path, file);
|
||||
if (options.verify && !db->Verify(error)) {
|
||||
status = DatabaseStatus::FAILED_VERIFY;
|
||||
return nullptr;
|
||||
}
|
||||
return db;
|
||||
} catch (const std::runtime_error& e) {
|
||||
status = DatabaseStatus::FAILED_LOAD;
|
||||
error.original = e.what();
|
||||
return nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
std::string SQLiteDatabaseVersion()
|
||||
{
|
||||
return std::string(sqlite3_libversion());
|
||||
}
|
||||
|
||||
bool IsSQLiteFile(const fs::path& path)
|
||||
{
|
||||
if (!fs::exists(path)) return false;
|
||||
|
||||
// A SQLite Database file is at least 512 bytes.
|
||||
boost::system::error_code ec;
|
||||
auto size = fs::file_size(path, ec);
|
||||
if (ec) LogPrintf("%s: %s %s\n", __func__, ec.message(), path.string());
|
||||
if (size < 512) return false;
|
||||
|
||||
fsbridge::ifstream file(path, std::ios::binary);
|
||||
if (!file.is_open()) return false;
|
||||
|
||||
// Magic is at beginning and is 16 bytes long
|
||||
char magic[16];
|
||||
file.read(magic, 16);
|
||||
|
||||
// Application id is at offset 68 and 4 bytes long
|
||||
file.seekg(68, std::ios::beg);
|
||||
char app_id[4];
|
||||
file.read(app_id, 4);
|
||||
|
||||
file.close();
|
||||
|
||||
// Check the magic, see https://sqlite.org/fileformat2.html
|
||||
std::string magic_str(magic);
|
||||
if (magic_str != std::string("SQLite format 3")) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Check the application id matches our network magic
|
||||
return memcmp(Params().MessageStart(), app_id, 4) == 0;
|
||||
}
|
||||
121
src/wallet/sqlite.h
Normal file
121
src/wallet/sqlite.h
Normal file
@ -0,0 +1,121 @@
|
||||
// Copyright (c) 2020 The Bitcoin Core developers
|
||||
// Distributed under the MIT software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#ifndef BITCOIN_WALLET_SQLITE_H
|
||||
#define BITCOIN_WALLET_SQLITE_H
|
||||
|
||||
#include <wallet/db.h>
|
||||
|
||||
#include <sqlite3.h>
|
||||
|
||||
struct bilingual_str;
|
||||
class SQLiteDatabase;
|
||||
|
||||
/** RAII class that provides access to a WalletDatabase */
|
||||
class SQLiteBatch : public DatabaseBatch
|
||||
{
|
||||
private:
|
||||
SQLiteDatabase& m_database;
|
||||
|
||||
bool m_cursor_init = false;
|
||||
|
||||
sqlite3_stmt* m_read_stmt{nullptr};
|
||||
sqlite3_stmt* m_insert_stmt{nullptr};
|
||||
sqlite3_stmt* m_overwrite_stmt{nullptr};
|
||||
sqlite3_stmt* m_delete_stmt{nullptr};
|
||||
sqlite3_stmt* m_cursor_stmt{nullptr};
|
||||
|
||||
void SetupSQLStatements();
|
||||
|
||||
bool ReadKey(CDataStream&& key, CDataStream& value) override;
|
||||
bool WriteKey(CDataStream&& key, CDataStream&& value, bool overwrite = true) override;
|
||||
bool EraseKey(CDataStream&& key) override;
|
||||
bool HasKey(CDataStream&& key) override;
|
||||
|
||||
public:
|
||||
explicit SQLiteBatch(SQLiteDatabase& database);
|
||||
~SQLiteBatch() override { Close(); }
|
||||
|
||||
/* No-op. See commeng on SQLiteDatabase::Flush */
|
||||
void Flush() override {}
|
||||
|
||||
void Close() override;
|
||||
|
||||
bool StartCursor() override;
|
||||
bool ReadAtCursor(CDataStream& key, CDataStream& value, bool& complete) override;
|
||||
void CloseCursor() override;
|
||||
bool TxnBegin() override;
|
||||
bool TxnCommit() override;
|
||||
bool TxnAbort() override;
|
||||
};
|
||||
|
||||
/** An instance of this class represents one SQLite3 database.
|
||||
**/
|
||||
class SQLiteDatabase : public WalletDatabase
|
||||
{
|
||||
private:
|
||||
const bool m_mock{false};
|
||||
|
||||
const std::string m_dir_path;
|
||||
|
||||
const std::string m_file_path;
|
||||
|
||||
void Cleanup() noexcept;
|
||||
|
||||
public:
|
||||
SQLiteDatabase() = delete;
|
||||
|
||||
/** Create DB handle to real database */
|
||||
SQLiteDatabase(const fs::path& dir_path, const fs::path& file_path, bool mock = false);
|
||||
|
||||
~SQLiteDatabase();
|
||||
|
||||
bool Verify(bilingual_str& error);
|
||||
|
||||
/** Open the database if it is not already opened */
|
||||
void Open() override;
|
||||
|
||||
/** Close the database */
|
||||
void Close() override;
|
||||
|
||||
/* These functions are unused */
|
||||
void AddRef() override { assert(false); }
|
||||
void RemoveRef() override { assert(false); }
|
||||
|
||||
/** Rewrite the entire database on disk */
|
||||
bool Rewrite(const char* skip = nullptr) override;
|
||||
|
||||
/** Back up the entire database to a file.
|
||||
*/
|
||||
bool Backup(const std::string& dest) const override;
|
||||
|
||||
/** No-ops
|
||||
*
|
||||
* SQLite always flushes everything to the database file after each transaction
|
||||
* (each Read/Write/Erase that we do is its own transaction unless we called
|
||||
* TxnBegin) so there is no need to have Flush or Periodic Flush.
|
||||
*
|
||||
* There is no DB env to reload, so ReloadDbEnv has nothing to do
|
||||
*/
|
||||
void Flush() override {}
|
||||
bool PeriodicFlush() override { return false; }
|
||||
void ReloadDbEnv() override {}
|
||||
|
||||
void IncrementUpdateCounter() override { ++nUpdateCounter; }
|
||||
|
||||
std::string Filename() override { return m_file_path; }
|
||||
|
||||
/** Make a SQLiteBatch connected to this database */
|
||||
std::unique_ptr<DatabaseBatch> MakeBatch(bool flush_on_close = true) override;
|
||||
|
||||
sqlite3* m_db{nullptr};
|
||||
};
|
||||
|
||||
bool ExistsSQLiteDatabase(const fs::path& path);
|
||||
std::unique_ptr<SQLiteDatabase> MakeSQLiteDatabase(const fs::path& path, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error);
|
||||
|
||||
std::string SQLiteDatabaseVersion();
|
||||
bool IsSQLiteFile(const fs::path& path);
|
||||
|
||||
#endif // BITCOIN_WALLET_SQLITE_H
|
||||
@ -4633,6 +4633,11 @@ bool CWallet::AutoBackupWallet(const fs::path& wallet_path, bilingual_str& error
|
||||
strWalletName = "wallet.dat";
|
||||
}
|
||||
|
||||
if (!ExistsBerkeleyDatabase(wallet_path)) {
|
||||
WalletLogPrintf("Automatic wallet backups are currently only supported with Berkeley DB!\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (nWalletBackups <= 0) {
|
||||
WalletLogPrintf("Automatic wallet backups are disabled!\n");
|
||||
return false;
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
#include <util/time.h>
|
||||
#include <util/translation.h>
|
||||
#include <wallet/bdb.h>
|
||||
#include <wallet/sqlite.h>
|
||||
#include <wallet/wallet.h>
|
||||
#include <validation.h>
|
||||
|
||||
@ -828,6 +829,14 @@ std::unique_ptr<WalletDatabase> MakeDatabase(const fs::path& path, const Databas
|
||||
if (ExistsBerkeleyDatabase(path)) {
|
||||
format = DatabaseFormat::BERKELEY;
|
||||
}
|
||||
if (ExistsSQLiteDatabase(path)) {
|
||||
if (format) {
|
||||
error = Untranslated(strprintf("Failed to load database path '%s'. Data is in ambiguous format.", path.string()));
|
||||
status = DatabaseStatus::FAILED_BAD_FORMAT;
|
||||
return nullptr;
|
||||
}
|
||||
format = DatabaseFormat::SQLITE;
|
||||
}
|
||||
} else if (options.require_existing) {
|
||||
error = Untranslated(strprintf("Failed to load database path '%s'. Path does not exist.", path.string()));
|
||||
status = DatabaseStatus::FAILED_NOT_FOUND;
|
||||
@ -846,6 +855,20 @@ std::unique_ptr<WalletDatabase> MakeDatabase(const fs::path& path, const Databas
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
// A db already exists so format is set, but options also specifies the format, so make sure they agree
|
||||
if (format && options.require_format && format != options.require_format) {
|
||||
error = Untranslated(strprintf("Failed to load database path '%s'. Data is not in required format.", path.string()));
|
||||
status = DatabaseStatus::FAILED_BAD_FORMAT;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
// Format is not set when a db doesn't already exist, so use the format specified by the options if it is set.
|
||||
if (!format && options.require_format) format = options.require_format;
|
||||
|
||||
if (format && format == DatabaseFormat::SQLITE) {
|
||||
return MakeSQLiteDatabase(path, options, status, error);
|
||||
}
|
||||
|
||||
return MakeBerkeleyDatabase(path, options, status, error);
|
||||
}
|
||||
|
||||
|
||||
@ -7,6 +7,9 @@
|
||||
#include <logging.h>
|
||||
#include <util/system.h>
|
||||
|
||||
bool ExistsBerkeleyDatabase(const fs::path& path);
|
||||
bool ExistsSQLiteDatabase(const fs::path& path);
|
||||
|
||||
fs::path GetWalletDir()
|
||||
{
|
||||
fs::path path;
|
||||
@ -29,31 +32,6 @@ fs::path GetWalletDir()
|
||||
return path;
|
||||
}
|
||||
|
||||
bool IsBerkeleyBtree(const fs::path& path)
|
||||
{
|
||||
if (!fs::exists(path)) return false;
|
||||
|
||||
// A Berkeley DB Btree file has at least 4K.
|
||||
// This check also prevents opening lock files.
|
||||
boost::system::error_code ec;
|
||||
auto size = fs::file_size(path, ec);
|
||||
if (ec) LogPrintf("%s: %s %s\n", __func__, ec.message(), path.string());
|
||||
if (size < 4096) return false;
|
||||
|
||||
fsbridge::ifstream file(path, std::ios::binary);
|
||||
if (!file.is_open()) return false;
|
||||
|
||||
file.seekg(12, std::ios::beg); // Magic bytes start at offset 12
|
||||
uint32_t data = 0;
|
||||
file.read((char*) &data, sizeof(data)); // Read 4 bytes of file to compare against magic
|
||||
|
||||
// Berkeley DB Btree magic bytes, from:
|
||||
// https://github.com/file/file/blob/5824af38469ec1ca9ac3ffd251e7afe9dc11e227/magic/Magdir/database#L74-L75
|
||||
// - big endian systems - 00 05 31 62
|
||||
// - little endian systems - 62 31 05 00
|
||||
return data == 0x00053162 || data == 0x62310500;
|
||||
}
|
||||
|
||||
std::vector<fs::path> ListWalletDir()
|
||||
{
|
||||
const fs::path wallet_dir = GetWalletDir();
|
||||
@ -71,10 +49,11 @@ std::vector<fs::path> ListWalletDir()
|
||||
// This can be replaced by boost::filesystem::lexically_relative once boost is bumped to 1.60.
|
||||
const fs::path path = it->path().string().substr(offset);
|
||||
|
||||
if (it->status().type() == fs::directory_file && IsBerkeleyBtree(it->path() / "wallet.dat")) {
|
||||
if (it->status().type() == fs::directory_file &&
|
||||
(ExistsBerkeleyDatabase(it->path()) || ExistsSQLiteDatabase(it->path()))) {
|
||||
// Found a directory which contains wallet.dat btree file, add it as a wallet.
|
||||
paths.emplace_back(path);
|
||||
} else if (it.level() == 0 && it->symlink_status().type() == fs::regular_file && IsBerkeleyBtree(it->path())) {
|
||||
} else if (it.level() == 0 && it->symlink_status().type() == fs::regular_file && ExistsBerkeleyDatabase(it->path())) {
|
||||
if (it->path().filename() == "wallet.dat") {
|
||||
// Found top-level wallet.dat btree file, add top level directory ""
|
||||
// as a wallet.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user