diff options
Diffstat (limited to 'src/txdb.cpp')
| -rw-r--r-- | src/txdb.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/txdb.cpp b/src/txdb.cpp index 4b76bee5ab..cfa864668a 100644 --- a/src/txdb.cpp +++ b/src/txdb.cpp @@ -5,6 +5,7 @@ #include <txdb.h> +#include <chain.h> #include <node/ui_interface.h> #include <pow.h> #include <random.h> @@ -27,6 +28,28 @@ static constexpr uint8_t DB_FLAG{'F'}; static constexpr uint8_t DB_REINDEX_FLAG{'R'}; static constexpr uint8_t DB_LAST_BLOCK{'l'}; +// Keys used in previous version that might still be found in the DB: +static constexpr uint8_t DB_TXINDEX_BLOCK{'T'}; +// uint8_t DB_TXINDEX{'t'} + +std::optional<bilingual_str> CheckLegacyTxindex(CBlockTreeDB& block_tree_db) +{ + CBlockLocator ignored{}; + if (block_tree_db.Read(DB_TXINDEX_BLOCK, ignored)) { + return _("The -txindex upgrade started by a previous version can not be completed. Restart with the previous version or run a full -reindex."); + } + bool txindex_legacy_flag{false}; + block_tree_db.ReadFlag("txindex", txindex_legacy_flag); + if (txindex_legacy_flag) { + // Disable legacy txindex and warn once about occupied disk space + if (!block_tree_db.WriteFlag("txindex", false)) { + return Untranslated("Failed to write block index db flag 'txindex'='0'"); + } + return _("The block index db contains a legacy 'txindex'. To clear the occupied disk space, run a full -reindex, otherwise ignore this error. This error message will not be displayed again."); + } + return std::nullopt; +} + namespace { struct CoinEntry { |