wallet: Add DatabaseBatch::ErasePrefix method

This new function is not used yet this commit, but next commit adds usages and
test coverage for both BDB and sqlite.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/wallet/sqlite.h b/src/wallet/sqlite.h
index 5745a1d4cf..d9de40569b 100644
--- a/src/wallet/sqlite.h
+++ b/src/wallet/sqlite.h
@@ -36,13 +36,16 @@ private:
     sqlite3_stmt* m_insert_stmt{nullptr};
     sqlite3_stmt* m_overwrite_stmt{nullptr};
     sqlite3_stmt* m_delete_stmt{nullptr};
+    sqlite3_stmt* m_delete_prefix_stmt{nullptr};
 
     void SetupSQLStatements();
+    bool ExecStatement(sqlite3_stmt* stmt, Span<const std::byte> blob);
 
     bool ReadKey(DataStream&& key, DataStream& value) override;
     bool WriteKey(DataStream&& key, DataStream&& value, bool overwrite = true) override;
     bool EraseKey(DataStream&& key) override;
     bool HasKey(DataStream&& key) override;
+    bool ErasePrefix(Span<const std::byte> prefix) override;
 
 public:
     explicit SQLiteBatch(SQLiteDatabase& database);