nostrscript: add a helper function

nostrscript/NostrScript.swift

@@ -281,6 +281,23 @@ func nscript_add_relay(script: NostrScript, relay: String) -> Bool {
 }
 
 
+@_cdecl("nscript_set_bool")
+public func nscript_set_bool(interp: UnsafeMutablePointer<wasm_interp>?, setting: UnsafePointer<UInt16>, setting_len: Int32, val: Int32) -> Int32 {
+    
+    guard let setting = asm_str(cstr: setting, len: setting_len),
+          UserSettingsStore.bool_options.contains(setting)
+    else {
+        stack_push_i32(interp, 0);
+        return 1;
+    }
+    
+    let key = pk_setting_key(UserSettingsStore.pubkey ?? "", key: setting)
+    UserDefaults.standard.set(val > 0 ? true : false, forKey: key)
+    
+    stack_push_i32(interp, 1);
+    return 1;
+}
+
 @_cdecl("nscript_pool_send_to")
 public func nscript_pool_send_to(interp: UnsafeMutablePointer<wasm_interp>?, preq: UnsafePointer<UInt16>, req_len: Int32, to: UnsafePointer<UInt16>, to_len: Int32) -> Int32 {
     

nostrscript/bool_setting.ts

@@ -0,0 +1,18 @@
+
+import * as nostr from './nostr'
+
+export function go(): i32 {
+	var setting = "mny`or"
+	var new_setting = ""
+	for (let i = 0; i < setting.length; i++) {
+		new_setting += String.fromCharCode(setting.charCodeAt(i) + 1);
+	}
+	// this should fail
+	if (nostr.set_bool_setting("shmorg", true)) {
+		// you shouldn't be able to set settings that dont exist
+		return 0;
+	}
+	return nostr.set_bool_setting(new_setting, false)
+}
+
+go()

nostrscript/nostr.ts

@@ -24,6 +24,7 @@ enum Command {
 declare function nostr_log(log: string): void;
 declare function nostr_cmd(cmd: i32, val: i32, len: i32): i32;
 declare function nostr_pool_send_to(req: string, req_len: i32, to: string, to_len: i32): void;
+declare function nostr_set_bool(key: string, key_len: i32, val: i32): i32;
 
 export function pool_send(req: string): void {
 	nostr_cmd(Command.POOL_SEND, changetype<i32>(req), req.length)
@@ -52,6 +53,10 @@ export function event_get_note(ev: Event): Note {
 	return nostr_cmd(Command.EVENT_GET_NOTE, ev, 0)
 }
 
+export function set_bool_setting(setting: string, value: boolean): i32 {
+	return nostr_set_bool(setting, setting.length, value)
+}
+
 export function note_get_kind(note: Note): u32 {
 	if (!note) return 0;
 	return nostr_cmd(Command.NOTE_GET_KIND, note, 0);