support custom db path

src/mint.zig

@@ -77,6 +77,9 @@ pub fn main() !void {
     };
     defer clap_res.deinit();
 
+    var arena = std.heap.ArenaAllocator.init(gpa.allocator());
+    defer arena.deinit();
+
     const config_path = clap_res.args.config orelse "config.toml";
 
     // TODO add work dir
@@ -101,7 +104,13 @@ pub fn main() !void {
         },
         inline .sqlite => v: {
             // TODO custom path to database?
-            var db = try core.mint_memory.MintSqliteDatabase.initFrom(gpa.allocator(), "./cocomint_db.sqlite");
+
+            const path = try arena.allocator().dupeZ(u8, parsed_settings.value.sqlite.?.path);
+
+            var db = try core.mint_memory.MintSqliteDatabase.initFrom(
+                gpa.allocator(),
+                path.ptr,
+            );
             errdefer db.deinit();
 
             break :v try MintDatabase.initFrom(core.mint_memory.MintSqliteDatabase, gpa.allocator(), db);
@@ -184,9 +193,6 @@ pub fn main() !void {
         ln_backends.deinit();
     }
 
-    var arena = std.heap.ArenaAllocator.init(gpa.allocator());
-    defer arena.deinit();
-
     // TODO set ln router
     // additional routers for httpz server
     switch (parsed_settings.value.ln.ln_backend) {

src/mintd/config.example.toml

@@ -24,6 +24,9 @@ mnemonic = ""
 # Database engine (sqlite/redb) defaults to sqlite
 # engine = "sqlite"
 
+[sqlite]
+# path = "" default ./cocomint_sqlite.db
+
 [ln]
 # Required ln backend `cln`, `lnd`, `strike`, `fakewallet`, 'lnbits', 'phoenixd'
 ln_backend = "lnbits"

src/mintd/config.zig

@@ -14,6 +14,7 @@ pub const Settings = struct {
     lnbits: ?Lnbits,
     fake_wallet: ?FakeWallet,
     database: Database,
+    sqlite: ?Sqlite = null,
 
     pub fn initFromToml(gpa: std.mem.Allocator, config_file_name: []const u8) !zig_toml.Parsed(Settings) {
         var parser = zig_toml.Parser(Settings).init(gpa);
@@ -25,6 +26,10 @@ pub const Settings = struct {
     }
 };
 
+pub const Sqlite = struct {
+    path: []const u8 = "./cocomint_db.sqlite",
+};
+
 pub const DatabaseEngine = enum {
     sqlite,
     redb,