1 files changed, 8 insertions, 0 deletions
diff --git a/src/wallet/db.h b/src/wallet/db.h
index 084fcadc24..b45076d10c 100644
--- a/src/wallet/db.h
+++ b/src/wallet/db.h
@@ -20,6 +20,12 @@ class ArgsManager;
 struct bilingual_str;
 
 namespace wallet {
+// BytePrefix compares equality with other byte spans that begin with the same prefix.
+struct BytePrefix {
+    Span<const std::byte> prefix;
+};
+bool operator<(BytePrefix a, Span<const std::byte> b);
+bool operator<(Span<const std::byte> a, BytePrefix b);
 
 class DatabaseCursor
 {
@@ -177,6 +183,8 @@ public:
 enum class DatabaseFormat {
     BERKELEY,
     SQLITE,
+    BERKELEY_RO,
+    BERKELEY_SWAP,
 };
 
 struct DatabaseOptions {