feat: added `I` prefix to message/codec interfaces

To make it easier to differentiate with their implementations.

packages/core/src/lib/to_proto_message.ts

@@ -1,7 +1,7 @@
-import { ProtoMessage } from "@waku/interfaces";
+import { IProtoMessage } from "@waku/interfaces";
 import { WakuMessage as WakuMessageProto } from "@waku/proto";
 
-const EmptyMessage: ProtoMessage = {
+const EmptyMessage: IProtoMessage = {
   payload: undefined,
   contentTopic: undefined,
   version: undefined,
@@ -10,6 +10,6 @@ const EmptyMessage: ProtoMessage = {
   ephemeral: undefined,
 };
 
-export function toProtoMessage(wire: WakuMessageProto): ProtoMessage {
+export function toProtoMessage(wire: WakuMessageProto): IProtoMessage {
   return { ...EmptyMessage, ...wire };
 }

packages/core/src/lib/waku_filter/index.ts

@@ -7,10 +7,10 @@ import type { IncomingStreamData } from "@libp2p/interface-registrar";
 import type { Registrar } from "@libp2p/interface-registrar";
 import type {
   Callback,
-  DecodedMessage,
-  Decoder,
   Filter,
-  Message,
+  IDecodedMessage,
+  IDecoder,
+  IMessage,
   ProtocolOptions,
 } from "@waku/interfaces";
 import {
@@ -69,7 +69,7 @@ class WakuFilter implements Filter {
   private subscriptions: Map<string, Callback<any>>;
   private decoders: Map<
     string, // content topic
-    Set<Decoder<any>>
+    Set<IDecoder<any>>
   >;
 
   constructor(public components: FilterComponents, options?: CreateOptions) {
@@ -87,8 +87,8 @@ class WakuFilter implements Filter {
    * @param opts The FilterSubscriptionOpts used to narrow which messages are returned, and which peer to connect to.
    * @returns Unsubscribe function that can be used to end the subscription.
    */
-  async subscribe<T extends DecodedMessage>(
-    decoders: Decoder<T>[],
+  async subscribe<T extends IDecodedMessage>(
+    decoders: IDecoder<T>[],
     callback: Callback<T>,
     opts?: ProtocolOptions
   ): Promise<UnsubscribeFunction> {
@@ -198,7 +198,7 @@ class WakuFilter implements Filter {
         return;
       }
 
-      let msg: Message | undefined;
+      let msg: IMessage | undefined;
       // We don't want to wait for decoding failure, just attempt to decode
       // all messages and do the call back on the one that works
       // noinspection ES6MissingAwait
@@ -225,8 +225,8 @@ class WakuFilter implements Filter {
     this.subscriptions.delete(requestId);
   }
 
-  private addDecoders<T extends DecodedMessage>(
-    decoders: Map<string, Array<Decoder<T>>>
+  private addDecoders<T extends IDecodedMessage>(
+    decoders: Map<string, Array<IDecoder<T>>>
   ): void {
     decoders.forEach((decoders, contentTopic) => {
       const currDecs = this.decoders.get(contentTopic);
@@ -238,8 +238,8 @@ class WakuFilter implements Filter {
     });
   }
 
-  private deleteDecoders<T extends DecodedMessage>(
-    decoders: Map<string, Array<Decoder<T>>>
+  private deleteDecoders<T extends IDecodedMessage>(
+    decoders: Map<string, Array<IDecoder<T>>>
   ): void {
     decoders.forEach((decoders, contentTopic) => {
       const currDecs = this.decoders.get(contentTopic);

packages/core/src/lib/waku_light_push/index.ts

@@ -3,9 +3,9 @@ import type { PeerId } from "@libp2p/interface-peer-id";
 import type { Peer } from "@libp2p/interface-peer-store";
 import type { PeerStore } from "@libp2p/interface-peer-store";
 import type {
-  Encoder,
+  IEncoder,
+  IMessage,
   LightPush,
-  Message,
   ProtocolOptions,
   SendResult,
 } from "@waku/interfaces";
@@ -59,8 +59,8 @@ class WakuLightPush implements LightPush {
   }
 
   async push(
-    encoder: Encoder,
-    message: Message,
+    encoder: IEncoder,
+    message: IMessage,
     opts?: ProtocolOptions
   ): Promise<SendResult> {
     const pubSubTopic = opts?.pubSubTopic ? opts.pubSubTopic : this.pubSubTopic;

packages/core/src/lib/waku_message/topic_only_message.ts

@@ -1,10 +1,14 @@
-import type { DecodedMessage, Decoder, ProtoMessage } from "@waku/interfaces";
+import type {
+  IDecodedMessage,
+  IDecoder,
+  IProtoMessage,
+} from "@waku/interfaces";
 import { proto_topic_only_message as proto } from "@waku/proto";
 import debug from "debug";
 
 const log = debug("waku:message:topic-only");
 
-export class TopicOnlyMessage implements DecodedMessage {
+export class TopicOnlyMessage implements IDecodedMessage {
   public payload: undefined;
   public rateLimitProof: undefined;
   public timestamp: undefined;
@@ -17,10 +21,10 @@ export class TopicOnlyMessage implements DecodedMessage {
   }
 }
 
-export class TopicOnlyDecoder implements Decoder<TopicOnlyMessage> {
+export class TopicOnlyDecoder implements IDecoder<TopicOnlyMessage> {
   public contentTopic = "";
 
-  fromWireToProtoObj(bytes: Uint8Array): Promise<ProtoMessage | undefined> {
+  fromWireToProtoObj(bytes: Uint8Array): Promise<IProtoMessage | undefined> {
     const protoMessage = proto.TopicOnlyMessage.decode(bytes);
     log("Message decoded", protoMessage);
     return Promise.resolve({
@@ -34,7 +38,7 @@ export class TopicOnlyDecoder implements Decoder<TopicOnlyMessage> {
   }
 
   async fromProtoObj(
-    proto: ProtoMessage
+    proto: IProtoMessage
   ): Promise<TopicOnlyMessage | undefined> {
     return new TopicOnlyMessage(proto);
   }

packages/core/src/lib/waku_message/version_0.ts

@@ -1,10 +1,10 @@
 import type {
-  DecodedMessage as IDecodedMessage,
-  Decoder as IDecoder,
-  Encoder as IEncoder,
-  Message,
-  ProtoMessage,
-  RateLimitProof,
+  IDecodedMessage,
+  IDecoder,
+  IEncoder,
+  IMessage,
+  IProtoMessage,
+  IRateLimitProof,
 } from "@waku/interfaces";
 import { proto_message as proto } from "@waku/proto";
 import debug from "debug";
@@ -65,7 +65,7 @@ export class DecodedMessage implements IDecodedMessage {
     return this.proto.version ?? 0;
   }
 
-  get rateLimitProof(): RateLimitProof | undefined {
+  get rateLimitProof(): IRateLimitProof | undefined {
     return this.proto.rateLimitProof;
   }
 }
@@ -73,11 +73,11 @@ export class DecodedMessage implements IDecodedMessage {
 export class Encoder implements IEncoder {
   constructor(public contentTopic: string, public ephemeral: boolean = false) {}
 
-  async toWire(message: Message): Promise<Uint8Array> {
+  async toWire(message: IMessage): Promise<Uint8Array> {
     return proto.WakuMessage.encode(await this.toProtoObj(message));
   }
 
-  async toProtoObj(message: Message): Promise<ProtoMessage> {
+  async toProtoObj(message: IMessage): Promise<IProtoMessage> {
     const timestamp = message.timestamp ?? new Date();
 
     return {
@@ -113,7 +113,7 @@ export function createEncoder(
 export class Decoder implements IDecoder<DecodedMessage> {
   constructor(public contentTopic: string) {}
 
-  fromWireToProtoObj(bytes: Uint8Array): Promise<ProtoMessage | undefined> {
+  fromWireToProtoObj(bytes: Uint8Array): Promise<IProtoMessage | undefined> {
     const protoMessage = proto.WakuMessage.decode(bytes);
     log("Message decoded", protoMessage);
     return Promise.resolve({
@@ -126,7 +126,9 @@ export class Decoder implements IDecoder<DecodedMessage> {
     });
   }
 
-  async fromProtoObj(proto: ProtoMessage): Promise<DecodedMessage | undefined> {
+  async fromProtoObj(
+    proto: IProtoMessage
+  ): Promise<DecodedMessage | undefined> {
     // https://github.com/status-im/js-waku/issues/921
     if (proto.version === undefined) {
       proto.version = 0;

packages/core/src/lib/waku_relay/index.ts

@@ -8,13 +8,13 @@ import type { PeerIdStr, TopicStr } from "@chainsafe/libp2p-gossipsub/types";
 import { SignaturePolicy } from "@chainsafe/libp2p-gossipsub/types";
 import type {
   Callback,
-  Decoder,
-  Encoder,
-  Message,
+  IDecoder,
+  IEncoder,
+  IMessage,
   Relay,
   SendResult,
 } from "@waku/interfaces";
-import { DecodedMessage } from "@waku/interfaces";
+import { IDecodedMessage } from "@waku/interfaces";
 import debug from "debug";
 
 import { DefaultPubSubTopic } from "../constants.js";
@@ -25,8 +25,8 @@ import * as constants from "./constants.js";
 
 const log = debug("waku:relay");
 
-export type Observer<T extends DecodedMessage> = {
-  decoder: Decoder<T>;
+export type Observer<T extends IDecodedMessage> = {
+  decoder: IDecoder<T>;
   callback: Callback<T>;
 };
 
@@ -55,7 +55,7 @@ export type CreateOptions = {
  */
 class WakuRelay extends GossipSub implements Relay {
   pubSubTopic: string;
-  defaultDecoder: Decoder<DecodedMessage>;
+  defaultDecoder: IDecoder<IDecodedMessage>;
   public static multicodec: string = constants.RelayCodecs[0];
 
   /**
@@ -99,7 +99,7 @@ class WakuRelay extends GossipSub implements Relay {
   /**
    * Send Waku message.
    */
-  public async send(encoder: Encoder, message: Message): Promise<SendResult> {
+  public async send(encoder: IEncoder, message: IMessage): Promise<SendResult> {
     const msg = await encoder.toWire(message);
     if (!msg) {
       log("Failed to encode message, aborting publish");
@@ -113,8 +113,8 @@ class WakuRelay extends GossipSub implements Relay {
    *
    * @returns Function to delete the observer
    */
-  addObserver<T extends DecodedMessage>(
-    decoder: Decoder<T>,
+  addObserver<T extends IDecodedMessage>(
+    decoder: IDecoder<T>,
     callback: Callback<T>
   ): () => void {
     const observer = {

packages/core/src/lib/waku_store/index.ts

@@ -6,8 +6,8 @@ import { sha256 } from "@noble/hashes/sha256";
 import { concat, utf8ToBytes } from "@waku/byte-utils";
 import {
   Cursor,
-  DecodedMessage,
-  Decoder,
+  IDecodedMessage,
+  IDecoder,
   Index,
   Store,
 } from "@waku/interfaces";
@@ -128,8 +128,8 @@ class WakuStore implements Store {
    * or if an error is encountered when processing the reply,
    * or if two decoders with the same content topic are passed.
    */
-  async queryOrderedCallback<T extends DecodedMessage>(
-    decoders: Decoder<T>[],
+  async queryOrderedCallback<T extends IDecodedMessage>(
+    decoders: IDecoder<T>[],
     callback: (message: T) => Promise<void | boolean> | boolean | void,
     options?: QueryOptions
   ): Promise<void> {
@@ -177,8 +177,8 @@ class WakuStore implements Store {
    * or if an error is encountered when processing the reply,
    * or if two decoders with the same content topic are passed.
    */
-  async queryCallbackOnPromise<T extends DecodedMessage>(
-    decoders: Decoder<T>[],
+  async queryCallbackOnPromise<T extends IDecodedMessage>(
+    decoders: IDecoder<T>[],
     callback: (
       message: Promise<T | undefined>
     ) => Promise<void | boolean> | boolean | void,
@@ -215,8 +215,8 @@ class WakuStore implements Store {
    * or if an error is encountered when processing the reply,
    * or if two decoders with the same content topic are passed.
    */
-  async *queryGenerator<T extends DecodedMessage>(
-    decoders: Decoder<T>[],
+  async *queryGenerator<T extends IDecodedMessage>(
+    decoders: IDecoder<T>[],
     options?: QueryOptions
   ): AsyncGenerator<Promise<T | undefined>[]> {
     let startTime, endTime;
@@ -295,11 +295,11 @@ class WakuStore implements Store {
   }
 }
 
-async function* paginate<T extends DecodedMessage>(
+async function* paginate<T extends IDecodedMessage>(
   connection: Connection,
   protocol: string,
   queryOpts: Params,
-  decoders: Map<string, Decoder<T>>,
+  decoders: Map<string, IDecoder<T>>,
   cursor?: Cursor
 ): AsyncGenerator<Promise<T | undefined>[]> {
   if (
@@ -404,7 +404,7 @@ export function isDefined<T>(msg: T | undefined): msg is T {
 }
 
 export async function createCursor(
-  message: DecodedMessage,
+  message: IDecodedMessage,
   pubsubTopic: string = DefaultPubSubTopic
 ): Promise<Index> {
   if (

packages/interfaces/src/filter.ts

@@ -1,4 +1,4 @@
-import type { DecodedMessage, Decoder } from "./message.js";
+import type { IDecodedMessage, IDecoder } from "./message.js";
 import type {
   Callback,
   PointToPointProtocol,
@@ -6,8 +6,8 @@ import type {
 } from "./protocols.js";
 
 export interface Filter extends PointToPointProtocol {
-  subscribe: <T extends DecodedMessage>(
-    decoders: Decoder<T>[],
+  subscribe: <T extends IDecodedMessage>(
+    decoders: IDecoder<T>[],
     callback: Callback<T>,
     opts?: ProtocolOptions
   ) => Promise<() => Promise<void>>;

packages/interfaces/src/light_push.ts

@@ -1,4 +1,4 @@
-import type { Encoder, Message } from "./message.js";
+import type { IEncoder, IMessage } from "./message.js";
 import type {
   PointToPointProtocol,
   ProtocolOptions,
@@ -7,8 +7,8 @@ import type {
 
 export interface LightPush extends PointToPointProtocol {
   push: (
-    encoder: Encoder,
-    message: Message,
+    encoder: IEncoder,
+    message: IMessage,
     opts?: ProtocolOptions
   ) => Promise<SendResult>;
 }

packages/interfaces/src/message.ts

@@ -1,4 +1,4 @@
-export interface RateLimitProof {
+export interface IRateLimitProof {
   proof: Uint8Array;
   merkleRoot: Uint8Array;
   epoch: Uint8Array;
@@ -12,41 +12,41 @@ export interface RateLimitProof {
  * Interface matching the protobuf library.
  * Field types matches the protobuf type over the wire
  */
-export interface ProtoMessage {
+export interface IProtoMessage {
   payload: Uint8Array | undefined;
   contentTopic: string | undefined;
   version: number | undefined;
   timestamp: bigint | undefined;
-  rateLimitProof: RateLimitProof | undefined;
+  rateLimitProof: IRateLimitProof | undefined;
   ephemeral: boolean | undefined;
 }
 
 /**
  * Interface for messages to encode and send.
  */
-export interface Message {
+export interface IMessage {
   payload?: Uint8Array;
   timestamp?: Date;
-  rateLimitProof?: RateLimitProof;
+  rateLimitProof?: IRateLimitProof;
 }
 
-export interface Encoder {
+export interface IEncoder {
   contentTopic: string;
   ephemeral: boolean;
-  toWire: (message: Message) => Promise<Uint8Array | undefined>;
-  toProtoObj: (message: Message) => Promise<ProtoMessage | undefined>;
+  toWire: (message: IMessage) => Promise<Uint8Array | undefined>;
+  toProtoObj: (message: IMessage) => Promise<IProtoMessage | undefined>;
 }
 
-export interface DecodedMessage {
+export interface IDecodedMessage {
   payload: Uint8Array | undefined;
   contentTopic: string | undefined;
   timestamp: Date | undefined;
-  rateLimitProof: RateLimitProof | undefined;
+  rateLimitProof: IRateLimitProof | undefined;
   ephemeral: boolean | undefined;
 }
 
-export interface Decoder<T extends DecodedMessage> {
+export interface IDecoder<T extends IDecodedMessage> {
   contentTopic: string;
-  fromWireToProtoObj: (bytes: Uint8Array) => Promise<ProtoMessage | undefined>;
-  fromProtoObj: (proto: ProtoMessage) => Promise<T | undefined>;
+  fromWireToProtoObj: (bytes: Uint8Array) => Promise<IProtoMessage | undefined>;
+  fromProtoObj: (proto: IProtoMessage) => Promise<T | undefined>;
 }

packages/interfaces/src/protocols.ts

@@ -1,7 +1,7 @@
 import type { PeerId } from "@libp2p/interface-peer-id";
 import type { Peer, PeerStore } from "@libp2p/interface-peer-store";
 
-import type { Message } from "./message.js";
+import type { IMessage } from "./message.js";
 
 export enum Protocols {
   Relay = "relay",
@@ -24,7 +24,7 @@ export type ProtocolOptions = {
   peerId?: PeerId;
 };
 
-export type Callback<T extends Message> = (msg: T) => void | Promise<void>;
+export type Callback<T extends IMessage> = (msg: T) => void | Promise<void>;
 
 export interface SendResult {
   recipients: PeerId[];

packages/interfaces/src/relay.ts

@@ -1,12 +1,17 @@
 import type { GossipSub } from "@chainsafe/libp2p-gossipsub";
 
-import type { DecodedMessage, Decoder, Encoder, Message } from "./message.js";
+import type {
+  IDecodedMessage,
+  IDecoder,
+  IEncoder,
+  IMessage,
+} from "./message.js";
 import type { Callback, SendResult } from "./protocols.js";
 
 export interface Relay extends GossipSub {
-  send: (encoder: Encoder, message: Message) => Promise<SendResult>;
-  addObserver: <T extends DecodedMessage>(
-    decoder: Decoder<T>,
+  send: (encoder: IEncoder, message: IMessage) => Promise<SendResult>;
+  addObserver: <T extends IDecodedMessage>(
+    decoder: IDecoder<T>,
     callback: Callback<T>
   ) => () => void;
   getMeshPeers: () => string[];

packages/interfaces/src/store.ts

@@ -1,4 +1,4 @@
-import type { DecodedMessage, Decoder } from "./message.js";
+import type { IDecodedMessage, IDecoder } from "./message.js";
 import type { PointToPointProtocol, ProtocolOptions } from "./protocols.js";
 
 export enum PageDirection {
@@ -51,20 +51,20 @@ export type StoreQueryOptions = {
 } & ProtocolOptions;
 
 export interface Store extends PointToPointProtocol {
-  queryOrderedCallback: <T extends DecodedMessage>(
-    decoders: Decoder<T>[],
+  queryOrderedCallback: <T extends IDecodedMessage>(
+    decoders: IDecoder<T>[],
     callback: (message: T) => Promise<void | boolean> | boolean | void,
     options?: StoreQueryOptions
   ) => Promise<void>;
-  queryCallbackOnPromise: <T extends DecodedMessage>(
-    decoders: Decoder<T>[],
+  queryCallbackOnPromise: <T extends IDecodedMessage>(
+    decoders: IDecoder<T>[],
     callback: (
       message: Promise<T | undefined>
     ) => Promise<void | boolean> | boolean | void,
     options?: StoreQueryOptions
   ) => Promise<void>;
-  queryGenerator: <T extends DecodedMessage>(
-    decoders: Decoder<T>[],
+  queryGenerator: <T extends IDecodedMessage>(
+    decoders: IDecoder<T>[],
     options?: StoreQueryOptions
   ) => AsyncGenerator<Promise<T | undefined>[]>;
 }

packages/message-encryption/src/ecies.ts

@@ -3,10 +3,10 @@ import {
   proto,
 } from "@waku/core/lib/waku_message/version_0";
 import type {
-  Decoder as IDecoder,
-  Encoder as IEncoder,
-  Message,
-  ProtoMessage,
+  IDecoder,
+  IEncoder,
+  IMessage,
+  IProtoMessage,
 } from "@waku/interfaces";
 import debug from "debug";
 
@@ -37,14 +37,14 @@ class Encoder implements IEncoder {
     public ephemeral: boolean = false
   ) {}
 
-  async toWire(message: Message): Promise<Uint8Array | undefined> {
+  async toWire(message: IMessage): Promise<Uint8Array | undefined> {
     const protoMessage = await this.toProtoObj(message);
     if (!protoMessage) return;
 
     return proto.WakuMessage.encode(protoMessage);
   }
 
-  async toProtoObj(message: Message): Promise<ProtoMessage | undefined> {
+  async toProtoObj(message: IMessage): Promise<IProtoMessage | undefined> {
     const timestamp = message.timestamp ?? new Date();
     if (!message.payload) {
       log("No payload to encrypt, skipping: ", message);
@@ -98,7 +98,7 @@ class Decoder extends DecoderV0 implements IDecoder<DecodedMessage> {
   }
 
   async fromProtoObj(
-    protoMessage: ProtoMessage
+    protoMessage: IProtoMessage
   ): Promise<DecodedMessage | undefined> {
     const cipherPayload = protoMessage.payload;
 

packages/message-encryption/src/index.ts

@@ -2,7 +2,7 @@ import {
   DecodedMessage as DecodedMessageV0,
   proto,
 } from "@waku/core/lib/waku_message/version_0";
-import type { DecodedMessage as IDecodedMessage } from "@waku/interfaces";
+import type { IDecodedMessage } from "@waku/interfaces";
 
 import {
   generatePrivateKey,

packages/message-encryption/src/symmetric.ts

@@ -3,10 +3,10 @@ import {
   proto,
 } from "@waku/core/lib/waku_message/version_0";
 import type {
-  Decoder as IDecoder,
-  Encoder as IEncoder,
-  Message,
-  ProtoMessage,
+  IDecoder,
+  IEncoder,
+  IMessage,
+  IProtoMessage,
 } from "@waku/interfaces";
 import debug from "debug";
 
@@ -36,14 +36,14 @@ class Encoder implements IEncoder {
     public ephemeral: boolean = false
   ) {}
 
-  async toWire(message: Message): Promise<Uint8Array | undefined> {
+  async toWire(message: IMessage): Promise<Uint8Array | undefined> {
     const protoMessage = await this.toProtoObj(message);
     if (!protoMessage) return;
 
     return proto.WakuMessage.encode(protoMessage);
   }
 
-  async toProtoObj(message: Message): Promise<ProtoMessage | undefined> {
+  async toProtoObj(message: IMessage): Promise<IProtoMessage | undefined> {
     const timestamp = message.timestamp ?? new Date();
     if (!message.payload) {
       log("No payload to encrypt, skipping: ", message);
@@ -96,7 +96,7 @@ class Decoder extends DecoderV0 implements IDecoder<DecodedMessage> {
   }
 
   async fromProtoObj(
-    protoMessage: ProtoMessage
+    protoMessage: IProtoMessage
   ): Promise<DecodedMessage | undefined> {
     const cipherPayload = protoMessage.payload;
 

packages/tests/tests/filter.node.spec.ts

@@ -1,7 +1,7 @@
 import { bytesToUtf8, utf8ToBytes } from "@waku/byte-utils";
 import { createDecoder, createEncoder, waitForRemotePeer } from "@waku/core";
 import { createLightNode } from "@waku/create";
-import type { DecodedMessage, WakuLight } from "@waku/interfaces";
+import type { IDecodedMessage, WakuLight } from "@waku/interfaces";
 import { Protocols } from "@waku/interfaces";
 import { expect } from "chai";
 import debug from "debug";
@@ -43,7 +43,7 @@ describe("Waku Filter", () => {
     const messageText = "Filtering works!";
     const message = { payload: utf8ToBytes(messageText) };
 
-    const callback = (msg: DecodedMessage): void => {
+    const callback = (msg: IDecodedMessage): void => {
       log("Got a message");
       messageCount++;
       expect(msg.contentTopic).to.eq(TestContentTopic);
@@ -67,7 +67,7 @@ describe("Waku Filter", () => {
     this.timeout(10000);
 
     let messageCount = 0;
-    const callback = (msg: DecodedMessage): void => {
+    const callback = (msg: IDecodedMessage): void => {
       messageCount++;
       expect(msg.contentTopic).to.eq(TestContentTopic);
     };

packages/tests/tests/store.node.spec.ts

@@ -7,7 +7,7 @@ import {
   waitForRemotePeer,
 } from "@waku/core";
 import { createLightNode } from "@waku/create";
-import type { DecodedMessage, Message, WakuLight } from "@waku/interfaces";
+import type { IDecodedMessage, IMessage, WakuLight } from "@waku/interfaces";
 import { Protocols } from "@waku/interfaces";
 import {
   createDecoder as createEciesDecoder,
@@ -74,7 +74,7 @@ describe("Waku Store", () => {
     await waku.dial(await nwaku.getMultiaddrWithId());
     await waitForRemotePeer(waku, [Protocols.Store]);
 
-    const messages: Message[] = [];
+    const messages: IMessage[] = [];
     let promises: Promise<void>[] = [];
     for await (const msgPromises of waku.store.queryGenerator([TestDecoder])) {
       const _promises = msgPromises.map(async (promise) => {
@@ -105,7 +105,7 @@ describe("Waku Store", () => {
     await waku.dial(await nwaku.getMultiaddrWithId());
     await waitForRemotePeer(waku, [Protocols.Store]);
 
-    const messages: Message[] = [];
+    const messages: IMessage[] = [];
     let promises: Promise<void>[] = [];
     for await (const msgPromises of waku.store.queryGenerator([TestDecoder])) {
       const _promises = msgPromises.map(async (promise) => {
@@ -147,10 +147,10 @@ describe("Waku Store", () => {
     const query = waku.store.queryGenerator([TestDecoder]);
 
     // messages in reversed order (first message at last index)
-    const messages: DecodedMessage[] = [];
+    const messages: IDecodedMessage[] = [];
     for await (const page of query) {
       for await (const msg of page.reverse()) {
-        messages.push(msg as DecodedMessage);
+        messages.push(msg as IDecodedMessage);
       }
     }
 
@@ -160,12 +160,12 @@ describe("Waku Store", () => {
     // create cursor to extract messages after the 3rd index
     const cursor = await createCursor(messages[cursorIndex]);
 
-    const messagesAfterCursor: DecodedMessage[] = [];
+    const messagesAfterCursor: IDecodedMessage[] = [];
     for await (const page of waku.store.queryGenerator([TestDecoder], {
       cursor,
     })) {
       for await (const msg of page.reverse()) {
-        messagesAfterCursor.push(msg as DecodedMessage);
+        messagesAfterCursor.push(msg as IDecodedMessage);
       }
     }
 
@@ -201,7 +201,7 @@ describe("Waku Store", () => {
     await waku.dial(await nwaku.getMultiaddrWithId());
     await waitForRemotePeer(waku, [Protocols.Store]);
 
-    const messages: Message[] = [];
+    const messages: IMessage[] = [];
     await waku.store.queryCallbackOnPromise(
       [TestDecoder],
       async (msgPromise) => {
@@ -243,7 +243,7 @@ describe("Waku Store", () => {
     await waitForRemotePeer(waku, [Protocols.Store]);
 
     const desiredMsgs = 14;
-    const messages: Message[] = [];
+    const messages: IMessage[] = [];
     await waku.store.queryCallbackOnPromise(
       [TestDecoder],
       async (msgPromise) => {
@@ -282,7 +282,7 @@ describe("Waku Store", () => {
     await waku.dial(await nwaku.getMultiaddrWithId());
     await waitForRemotePeer(waku, [Protocols.Store]);
 
-    const messages: Message[] = [];
+    const messages: IMessage[] = [];
     await waku.store.queryOrderedCallback(
       [TestDecoder],
       async (msg) => {
@@ -321,7 +321,7 @@ describe("Waku Store", () => {
     await waku.dial(await nwaku.getMultiaddrWithId());
     await waitForRemotePeer(waku, [Protocols.Store]);
 
-    let messages: Message[] = [];
+    let messages: IMessage[] = [];
     await waku.store.queryOrderedCallback(
       [TestDecoder],
       async (msg) => {
@@ -413,7 +413,7 @@ describe("Waku Store", () => {
 
     await waitForRemotePeer(waku2, [Protocols.Store]);
 
-    const messages: DecodedMessage[] = [];
+    const messages: IDecodedMessage[] = [];
     log("Retrieve messages from store");
 
     for await (const msgPromises of waku2.store.queryGenerator([
@@ -482,7 +482,7 @@ describe("Waku Store", () => {
 
     const nwakuPeerId = await nwaku.getPeerId();
 
-    const firstMessages: Message[] = [];
+    const firstMessages: IMessage[] = [];
     await waku.store.queryOrderedCallback(
       [TestDecoder],
       (msg) => {
@@ -496,7 +496,7 @@ describe("Waku Store", () => {
       }
     );
 
-    const bothMessages: Message[] = [];
+    const bothMessages: IMessage[] = [];
     await waku.store.queryOrderedCallback(
       [TestDecoder],
       async (msg) => {
@@ -543,7 +543,7 @@ describe("Waku Store", () => {
     await waitForRemotePeer(waku, [Protocols.Store]);
 
     const desiredMsgs = 14;
-    const messages: Message[] = [];
+    const messages: IMessage[] = [];
     await waku.store.queryOrderedCallback(
       [TestDecoder],
       async (msg) => {
@@ -601,7 +601,7 @@ describe("Waku Store, custom pubsub topic", () => {
     await waku.dial(await nwaku.getMultiaddrWithId());
     await waitForRemotePeer(waku, [Protocols.Store]);
 
-    const messages: Message[] = [];
+    const messages: IMessage[] = [];
     let promises: Promise<void>[] = [];
     for await (const msgPromises of waku.store.queryGenerator([TestDecoder])) {
       const _promises = msgPromises.map(async (promise) => {

packages/tests/tests/waku.node.spec.ts

@@ -4,7 +4,7 @@ import { bytesToUtf8, utf8ToBytes } from "@waku/byte-utils";
 import { DefaultUserAgent, waitForRemotePeer } from "@waku/core";
 import { createLightNode, createPrivacyNode } from "@waku/create";
 import type {
-  DecodedMessage,
+  IDecodedMessage,
   Waku,
   WakuLight,
   WakuPrivacy,
@@ -180,7 +180,7 @@ describe("Decryption Keys", () => {
       timestamp: messageTimestamp,
     };
 
-    const receivedMsgPromise: Promise<DecodedMessage> = new Promise(
+    const receivedMsgPromise: Promise<IDecodedMessage> = new Promise(
       (resolve) => {
         waku2.relay.addObserver(decoder, resolve);
       }