624 lines
19 KiB
Dart
624 lines
19 KiB
Dart
import 'veilid.dart';
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import 'dart:html' as html;
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import 'dart:js' as js;
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import 'dart:js_util' as js_util;
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import 'dart:async';
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import 'dart:convert';
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import 'dart:typed_data';
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import 'veilid_encoding.dart';
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//////////////////////////////////////////////////////////
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Veilid getVeilid() => VeilidJS();
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Object wasm = js_util.getProperty(html.window, "veilid_wasm");
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Future<T> _wrapApiPromise<T>(Object p) {
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return js_util.promiseToFuture(p).then((value) => value as T).catchError(
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(error) => Future<T>.error(
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VeilidAPIException.fromJson(jsonDecode(error as String))));
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}
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class _Ctx {
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final int id;
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final VeilidJS js;
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_Ctx(this.id, this.js);
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}
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// JS implementation of VeilidRoutingContext
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class VeilidRoutingContextJS implements VeilidRoutingContext {
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final _Ctx _ctx;
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static final Finalizer<_Ctx> _finalizer = Finalizer(
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(ctx) => js_util.callMethod(wasm, "release_routing_context", [ctx.id]));
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VeilidRoutingContextJS._(this._ctx) {
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_finalizer.attach(this, _ctx, detach: this);
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}
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@override
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VeilidRoutingContextJS withPrivacy() {
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int newId =
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js_util.callMethod(wasm, "routing_context_with_privacy", [_ctx.id]);
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return VeilidRoutingContextJS._(_Ctx(newId, _ctx.js));
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}
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@override
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VeilidRoutingContextJS withCustomPrivacy(SafetySelection safetySelection) {
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final newId = js_util.callMethod(
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wasm,
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"routing_context_with_custom_privacy",
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[_ctx.id, jsonEncode(safetySelection)]);
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return VeilidRoutingContextJS._(_Ctx(newId, _ctx.js));
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}
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@override
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VeilidRoutingContextJS withSequencing(Sequencing sequencing) {
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final newId = js_util.callMethod(wasm, "routing_context_with_sequencing",
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[_ctx.id, jsonEncode(sequencing)]);
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return VeilidRoutingContextJS._(_Ctx(newId, _ctx.js));
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}
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@override
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Future<Uint8List> appCall(String target, Uint8List request) async {
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var encodedRequest = base64UrlNoPadEncode(request);
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return base64UrlNoPadDecode(await _wrapApiPromise(js_util.callMethod(
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wasm, "routing_context_app_call", [_ctx.id, target, encodedRequest])));
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}
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@override
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Future<void> appMessage(String target, Uint8List message) {
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var encodedMessage = base64UrlNoPadEncode(message);
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return _wrapApiPromise(js_util.callMethod(wasm,
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"routing_context_app_message", [_ctx.id, target, encodedMessage]));
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}
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@override
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Future<DHTRecordDescriptor> createDHTRecord(DHTSchema schema,
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{CryptoKind kind = 0}) async {
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return DHTRecordDescriptor.fromJson(jsonDecode(await _wrapApiPromise(js_util
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.callMethod(wasm, "routing_context_create_dht_record",
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[_ctx.id, jsonEncode(schema), kind]))));
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}
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@override
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Future<DHTRecordDescriptor> openDHTRecord(
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TypedKey key, KeyPair? writer) async {
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return DHTRecordDescriptor.fromJson(jsonDecode(await _wrapApiPromise(js_util
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.callMethod(wasm, "routing_context_open_dht_record", [
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_ctx.id,
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jsonEncode(key),
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writer != null ? jsonEncode(writer) : null
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]))));
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}
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@override
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Future<void> closeDHTRecord(TypedKey key) {
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return _wrapApiPromise(js_util.callMethod(
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wasm, "routing_context_close_dht_record", [_ctx.id, jsonEncode(key)]));
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}
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@override
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Future<void> deleteDHTRecord(TypedKey key) {
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return _wrapApiPromise(js_util.callMethod(
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wasm, "routing_context_delete_dht_record", [_ctx.id, jsonEncode(key)]));
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}
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@override
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Future<ValueData?> getDHTValue(
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TypedKey key, int subkey, bool forceRefresh) async {
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final opt = await _wrapApiPromise(js_util.callMethod(
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wasm,
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"routing_context_get_dht_value",
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[_ctx.id, jsonEncode(key), subkey, forceRefresh]));
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return opt == null ? null : ValueData.fromJson(jsonDecode(opt));
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}
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@override
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Future<ValueData?> setDHTValue(
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TypedKey key, int subkey, Uint8List data) async {
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final opt = await _wrapApiPromise(js_util.callMethod(
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wasm,
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"routing_context_set_dht_value",
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[_ctx.id, jsonEncode(key), subkey, base64UrlNoPadEncode(data)]));
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return opt == null ? null : ValueData.fromJson(jsonDecode(opt));
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}
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@override
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Future<Timestamp> watchDHTValues(TypedKey key, List<ValueSubkeyRange> subkeys,
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Timestamp expiration, int count) async {
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final ts = await _wrapApiPromise(js_util.callMethod(
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wasm, "routing_context_watch_dht_values", [
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_ctx.id,
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jsonEncode(key),
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jsonEncode(subkeys),
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expiration.toString(),
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count
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]));
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return Timestamp.fromString(ts);
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}
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@override
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Future<bool> cancelDHTWatch(TypedKey key, List<ValueSubkeyRange> subkeys) {
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return _wrapApiPromise(js_util.callMethod(
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wasm,
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"routing_context_cancel_dht_watch",
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[_ctx.id, jsonEncode(key), jsonEncode(subkeys)]));
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}
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}
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// JS implementation of VeilidCryptoSystem
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class VeilidCryptoSystemJS implements VeilidCryptoSystem {
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final CryptoKind _kind;
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final VeilidJS _js;
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VeilidCryptoSystemJS._(this._js, this._kind) {
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// Keep the reference
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_js;
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}
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@override
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CryptoKind kind() {
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return _kind;
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}
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@override
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Future<SharedSecret> cachedDH(PublicKey key, SecretKey secret) async {
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return SharedSecret.fromJson(jsonDecode(await _wrapApiPromise(js_util
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.callMethod(wasm, "crypto_cached_dh",
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[_kind, jsonEncode(key), jsonEncode(secret)]))));
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}
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@override
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Future<SharedSecret> computeDH(PublicKey key, SecretKey secret) async {
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return SharedSecret.fromJson(jsonDecode(await _wrapApiPromise(js_util
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.callMethod(wasm, "crypto_compute_dh",
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[_kind, jsonEncode(key), jsonEncode(secret)]))));
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}
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@override
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Future<Uint8List> randomBytes(int len) async {
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return base64UrlNoPadDecode(await _wrapApiPromise(
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js_util.callMethod(wasm, "crypto_random_bytes", [_kind, len])));
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}
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@override
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Future<int> defaultSaltLength() {
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return _wrapApiPromise(
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js_util.callMethod(wasm, "crypto_default_salt_length", [_kind]));
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}
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@override
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Future<String> hashPassword(Uint8List password, Uint8List salt) {
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return _wrapApiPromise(js_util.callMethod(wasm, "crypto_hash_password",
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[_kind, base64UrlNoPadEncode(password), base64UrlNoPadEncode(salt)]));
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}
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@override
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Future<bool> verifyPassword(Uint8List password, String passwordHash) {
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return _wrapApiPromise(js_util.callMethod(wasm, "crypto_verify_password",
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[_kind, base64UrlNoPadEncode(password), passwordHash]));
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}
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@override
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Future<SharedSecret> deriveSharedSecret(
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Uint8List password, Uint8List salt) async {
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return SharedSecret.fromJson(jsonDecode(await _wrapApiPromise(js_util
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.callMethod(wasm, "crypto_derive_shared_secret", [
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_kind,
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base64UrlNoPadEncode(password),
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base64UrlNoPadEncode(salt)
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]))));
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}
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@override
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Future<Nonce> randomNonce() async {
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return Nonce.fromJson(jsonDecode(await _wrapApiPromise(
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js_util.callMethod(wasm, "crypto_random_nonce", [_kind]))));
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}
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@override
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Future<SharedSecret> randomSharedSecret() async {
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return SharedSecret.fromJson(jsonDecode(await _wrapApiPromise(
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js_util.callMethod(wasm, "crypto_random_shared_secret", [_kind]))));
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}
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@override
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Future<KeyPair> generateKeyPair() async {
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return KeyPair.fromJson(jsonDecode(await _wrapApiPromise(
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js_util.callMethod(wasm, "crypto_generate_key_pair", [_kind]))));
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}
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@override
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Future<HashDigest> generateHash(Uint8List data) async {
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return HashDigest.fromJson(jsonDecode(await _wrapApiPromise(js_util
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.callMethod(wasm, "crypto_generate_hash",
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[_kind, base64UrlNoPadEncode(data)]))));
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}
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@override
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Future<bool> validateKeyPair(PublicKey key, SecretKey secret) {
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return _wrapApiPromise(js_util.callMethod(wasm, "crypto_validate_key_pair",
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[_kind, jsonEncode(key), jsonEncode(secret)]));
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}
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@override
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Future<bool> validateHash(Uint8List data, HashDigest hash) {
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return _wrapApiPromise(js_util.callMethod(wasm, "crypto_validate_hash",
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[_kind, base64UrlNoPadEncode(data), jsonEncode(hash)]));
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}
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@override
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Future<CryptoKeyDistance> distance(CryptoKey key1, CryptoKey key2) async {
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return CryptoKeyDistance.fromJson(jsonDecode(await _wrapApiPromise(js_util
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.callMethod(wasm, "crypto_distance",
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[_kind, jsonEncode(key1), jsonEncode(key2)]))));
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}
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@override
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Future<Signature> sign(
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PublicKey key, SecretKey secret, Uint8List data) async {
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return Signature.fromJson(jsonDecode(await _wrapApiPromise(js_util
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.callMethod(wasm, "crypto_sign", [
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_kind,
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jsonEncode(key),
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jsonEncode(secret),
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base64UrlNoPadEncode(data)
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]))));
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}
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@override
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Future<void> verify(PublicKey key, Uint8List data, Signature signature) {
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return _wrapApiPromise(js_util.callMethod(wasm, "crypto_verify", [
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_kind,
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jsonEncode(key),
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base64UrlNoPadEncode(data),
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jsonEncode(signature),
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]));
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}
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@override
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Future<int> aeadOverhead() {
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return _wrapApiPromise(
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js_util.callMethod(wasm, "crypto_aead_overhead", [_kind]));
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}
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@override
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Future<Uint8List> decryptAead(Uint8List body, Nonce nonce,
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SharedSecret sharedSecret, Uint8List? associatedData) async {
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return base64UrlNoPadDecode(
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await _wrapApiPromise(js_util.callMethod(wasm, "crypto_decrypt_aead", [
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_kind,
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base64UrlNoPadEncode(body),
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jsonEncode(nonce),
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jsonEncode(sharedSecret),
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associatedData != null ? base64UrlNoPadEncode(associatedData) : null
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])));
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}
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@override
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Future<Uint8List> encryptAead(Uint8List body, Nonce nonce,
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SharedSecret sharedSecret, Uint8List? associatedData) async {
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return base64UrlNoPadDecode(
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await _wrapApiPromise(js_util.callMethod(wasm, "crypto_encrypt_aead", [
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_kind,
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base64UrlNoPadEncode(body),
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jsonEncode(nonce),
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jsonEncode(sharedSecret),
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associatedData != null ? base64UrlNoPadEncode(associatedData) : null
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])));
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}
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@override
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Future<Uint8List> cryptNoAuth(
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Uint8List body, Nonce nonce, SharedSecret sharedSecret) async {
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return base64UrlNoPadDecode(await _wrapApiPromise(js_util.callMethod(
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wasm, "crypto_crypt_no_auth", [
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_kind,
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base64UrlNoPadEncode(body),
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jsonEncode(nonce),
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jsonEncode(sharedSecret)
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])));
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}
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}
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class _TDBT {
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final int id;
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VeilidTableDBJS tdbjs;
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VeilidJS js;
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_TDBT(this.id, this.tdbjs, this.js);
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}
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// JS implementation of VeilidTableDBTransaction
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class VeilidTableDBTransactionJS extends VeilidTableDBTransaction {
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final _TDBT _tdbt;
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static final Finalizer<_TDBT> _finalizer = Finalizer((tdbt) =>
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js_util.callMethod(wasm, "release_table_db_transaction", [tdbt.id]));
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VeilidTableDBTransactionJS._(this._tdbt) {
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_finalizer.attach(this, _tdbt, detach: this);
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}
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@override
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Future<void> commit() {
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return _wrapApiPromise(
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js_util.callMethod(wasm, "table_db_transaction_commit", [_tdbt.id]));
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}
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@override
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Future<void> rollback() {
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return _wrapApiPromise(
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js_util.callMethod(wasm, "table_db_transaction_rollback", [_tdbt.id]));
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}
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@override
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Future<void> store(int col, Uint8List key, Uint8List value) {
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final encodedKey = base64UrlNoPadEncode(key);
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final encodedValue = base64UrlNoPadEncode(value);
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return _wrapApiPromise(js_util.callMethod(
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wasm,
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"table_db_transaction_store",
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[_tdbt.id, col, encodedKey, encodedValue]));
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}
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@override
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Future<void> delete(int col, Uint8List key) {
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final encodedKey = base64UrlNoPadEncode(key);
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return _wrapApiPromise(js_util.callMethod(
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wasm, "table_db_transaction_delete", [_tdbt.id, col, encodedKey]));
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}
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}
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class _TDB {
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final int id;
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VeilidJS js;
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_TDB(this.id, this.js);
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}
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// JS implementation of VeilidTableDB
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class VeilidTableDBJS extends VeilidTableDB {
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final _TDB _tdb;
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static final Finalizer<_TDB> _finalizer = Finalizer(
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(tdb) => js_util.callMethod(wasm, "release_table_db", [tdb.id]));
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VeilidTableDBJS._(this._tdb) {
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_finalizer.attach(this, _tdb, detach: this);
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}
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@override
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int getColumnCount() {
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return js_util.callMethod(wasm, "table_db_get_column_count", [_tdb.id]);
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}
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@override
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Future<List<Uint8List>> getKeys(int col) async {
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return jsonListConstructor(base64UrlNoPadDecodeDynamic)(jsonDecode(
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await js_util.callMethod(wasm, "table_db_get_keys", [_tdb.id, col])));
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}
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@override
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VeilidTableDBTransaction transact() {
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final id = js_util.callMethod(wasm, "table_db_transact", [_tdb.id]);
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return VeilidTableDBTransactionJS._(_TDBT(id, this, _tdb.js));
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}
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@override
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Future<void> store(int col, Uint8List key, Uint8List value) {
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final encodedKey = base64UrlNoPadEncode(key);
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final encodedValue = base64UrlNoPadEncode(value);
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return _wrapApiPromise(js_util.callMethod(
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wasm, "table_db_store", [_tdb.id, col, encodedKey, encodedValue]));
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}
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@override
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Future<Uint8List?> load(int col, Uint8List key) async {
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final encodedKey = base64UrlNoPadEncode(key);
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String? out = await _wrapApiPromise(
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js_util.callMethod(wasm, "table_db_load", [_tdb.id, col, encodedKey]));
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if (out == null) {
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return null;
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}
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return base64UrlNoPadDecode(out);
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}
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@override
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Future<Uint8List?> delete(int col, Uint8List key) {
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final encodedKey = base64UrlNoPadEncode(key);
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return _wrapApiPromise(js_util
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.callMethod(wasm, "table_db_delete", [_tdb.id, col, encodedKey]));
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}
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}
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// JS implementation of high level Veilid API
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class VeilidJS implements Veilid {
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@override
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void initializeVeilidCore(Map<String, dynamic> platformConfigJson) {
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var platformConfigJsonString = jsonEncode(platformConfigJson);
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js_util
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.callMethod(wasm, "initialize_veilid_core", [platformConfigJsonString]);
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}
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@override
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void changeLogLevel(String layer, VeilidConfigLogLevel logLevel) {
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var logLevelJsonString = jsonEncode(logLevel);
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js_util.callMethod(wasm, "change_log_level", [layer, logLevelJsonString]);
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}
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@override
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Future<Stream<VeilidUpdate>> startupVeilidCore(VeilidConfig config) async {
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var streamController = StreamController<VeilidUpdate>();
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updateCallback(String update) {
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var updateJson = jsonDecode(update);
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if (updateJson["kind"] == "Shutdown") {
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streamController.close();
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} else {
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var update = VeilidUpdate.fromJson(updateJson);
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streamController.add(update);
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}
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}
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await _wrapApiPromise(js_util.callMethod(wasm, "startup_veilid_core",
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[js.allowInterop(updateCallback), jsonEncode(config)]));
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return streamController.stream;
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}
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@override
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Future<VeilidState> getVeilidState() async {
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return VeilidState.fromJson(jsonDecode(await _wrapApiPromise(
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js_util.callMethod(wasm, "get_veilid_state", []))));
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}
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@override
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Future<void> attach() {
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return _wrapApiPromise(js_util.callMethod(wasm, "attach", []));
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}
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@override
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Future<void> detach() {
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return _wrapApiPromise(js_util.callMethod(wasm, "detach", []));
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}
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@override
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Future<void> shutdownVeilidCore() {
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return _wrapApiPromise(
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js_util.callMethod(wasm, "shutdown_veilid_core", []));
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}
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@override
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List<CryptoKind> validCryptoKinds() {
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return jsonDecode(js_util.callMethod(wasm, "valid_crypto_kinds", []));
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}
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@override
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Future<VeilidCryptoSystem> getCryptoSystem(CryptoKind kind) async {
|
|
if (!validCryptoKinds().contains(kind)) {
|
|
throw VeilidAPIExceptionGeneric("unsupported cryptosystem");
|
|
}
|
|
return VeilidCryptoSystemJS._(this, kind);
|
|
}
|
|
|
|
@override
|
|
Future<VeilidCryptoSystem> bestCryptoSystem() async {
|
|
return VeilidCryptoSystemJS._(
|
|
this, js_util.callMethod(wasm, "best_crypto_kind", []));
|
|
}
|
|
|
|
@override
|
|
Future<List<TypedKey>> verifySignatures(List<TypedKey> nodeIds,
|
|
Uint8List data, List<TypedSignature> signatures) async {
|
|
return jsonListConstructor(TypedKey.fromJson)(jsonDecode(
|
|
await _wrapApiPromise(js_util.callMethod(wasm, "verify_signatures", [
|
|
jsonEncode(nodeIds),
|
|
base64UrlNoPadEncode(data),
|
|
jsonEncode(signatures)
|
|
]))));
|
|
}
|
|
|
|
@override
|
|
Future<List<TypedSignature>> generateSignatures(
|
|
Uint8List data, List<TypedKeyPair> keyPairs) async {
|
|
return jsonListConstructor(TypedSignature.fromJson)(jsonDecode(
|
|
await _wrapApiPromise(js_util.callMethod(wasm, "generate_signatures",
|
|
[base64UrlNoPadEncode(data), jsonEncode(keyPairs)]))));
|
|
}
|
|
|
|
@override
|
|
Future<TypedKeyPair> generateKeyPair(CryptoKind kind) async {
|
|
return TypedKeyPair.fromJson(jsonDecode(await _wrapApiPromise(
|
|
js_util.callMethod(wasm, "generate_key_pair", [kind]))));
|
|
}
|
|
|
|
@override
|
|
Future<VeilidRoutingContext> routingContext() async {
|
|
int id =
|
|
await _wrapApiPromise(js_util.callMethod(wasm, "routing_context", []));
|
|
return VeilidRoutingContextJS._(_Ctx(id, this));
|
|
}
|
|
|
|
@override
|
|
Future<RouteBlob> newPrivateRoute() async {
|
|
return RouteBlob.fromJson(jsonDecode(await _wrapApiPromise(
|
|
js_util.callMethod(wasm, "new_private_route", []))));
|
|
}
|
|
|
|
@override
|
|
Future<RouteBlob> newCustomPrivateRoute(
|
|
Stability stability, Sequencing sequencing) async {
|
|
var stabilityString = jsonEncode(stability);
|
|
var sequencingString = jsonEncode(sequencing);
|
|
|
|
return RouteBlob.fromJson(jsonDecode(await _wrapApiPromise(js_util
|
|
.callMethod(
|
|
wasm, "new_private_route", [stabilityString, sequencingString]))));
|
|
}
|
|
|
|
@override
|
|
Future<String> importRemotePrivateRoute(Uint8List blob) {
|
|
var encodedBlob = base64UrlNoPadEncode(blob);
|
|
return _wrapApiPromise(
|
|
js_util.callMethod(wasm, "import_remote_private_route", [encodedBlob]));
|
|
}
|
|
|
|
@override
|
|
Future<void> releasePrivateRoute(String key) {
|
|
return _wrapApiPromise(
|
|
js_util.callMethod(wasm, "release_private_route", [key]));
|
|
}
|
|
|
|
@override
|
|
Future<void> appCallReply(String callId, Uint8List message) {
|
|
var encodedMessage = base64UrlNoPadEncode(message);
|
|
return _wrapApiPromise(
|
|
js_util.callMethod(wasm, "app_call_reply", [callId, encodedMessage]));
|
|
}
|
|
|
|
@override
|
|
Future<VeilidTableDB> openTableDB(String name, int columnCount) async {
|
|
int id = await _wrapApiPromise(
|
|
js_util.callMethod(wasm, "open_table_db", [name, columnCount]));
|
|
return VeilidTableDBJS._(_TDB(id, this));
|
|
}
|
|
|
|
@override
|
|
Future<bool> deleteTableDB(String name) {
|
|
return _wrapApiPromise(js_util.callMethod(wasm, "delete_table_db", [name]));
|
|
}
|
|
|
|
@override
|
|
Timestamp now() {
|
|
return Timestamp.fromString(js_util.callMethod(wasm, "now", []));
|
|
}
|
|
|
|
@override
|
|
Future<String> debug(String command) async {
|
|
return await _wrapApiPromise(js_util.callMethod(wasm, "debug", [command]));
|
|
}
|
|
|
|
@override
|
|
String veilidVersionString() {
|
|
return js_util.callMethod(wasm, "veilid_version_string", []);
|
|
}
|
|
|
|
@override
|
|
VeilidVersion veilidVersion() {
|
|
Map<String, dynamic> jsonVersion =
|
|
jsonDecode(js_util.callMethod(wasm, "veilid_version", []));
|
|
return VeilidVersion(
|
|
jsonVersion["major"], jsonVersion["minor"], jsonVersion["patch"]);
|
|
}
|
|
}
|