*Add dist

dist/index.d.ts

@@ -0,0 +1,21 @@
+/// <reference types="node" />
+/// <reference types="node" />
+import EventEmitter from "events";
+export default class DHTFlood extends EventEmitter {
+    private id;
+    private ttl;
+    private messageNumber;
+    private lru;
+    private swarm;
+    constructor({ lruSize, ttl, messageNumber, id, swarm }?: {
+        lruSize?: number | undefined;
+        ttl?: number | undefined;
+        messageNumber?: number | undefined;
+        id?: Buffer | undefined;
+        swarm?: null | undefined;
+    });
+    private handleMessage;
+    private setupPeer;
+    broadcast(data: any, ttl?: number): void;
+}
+//# sourceMappingURL=index.d.ts.map

dist/index.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;AAAA,OAAO,YAAY,MAAM,QAAQ,CAAC;AAoBlC,MAAM,CAAC,OAAO,OAAO,QAAS,SAAQ,YAAY;IAC9C,OAAO,CAAC,EAAE,CAAS;IACnB,OAAO,CAAC,GAAG,CAAS;IACpB,OAAO,CAAC,aAAa,CAAS;IAC9B,OAAO,CAAC,GAAG,CAAM;IACjB,OAAO,CAAC,KAAK,CAAM;gBAEP,EACI,OAAkB,EAClB,GAAS,EACT,aAAiB,EACjB,EAA2B,EAC3B,KAAY,EACf;;;;;;KAAK;IAkBlB,OAAO,CAAC,aAAa;IAwBrB,OAAO,CAAC,SAAS;IAmCjB,SAAS,CAAC,IAAI,EAAE,GAAG,EAAE,GAAG,SAAW;CActC"}

dist/index.js

@@ -0,0 +1,105 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const events_1 = __importDefault(require("events"));
+const crypto_1 = __importDefault(require("crypto"));
+// @ts-ignore
+const lru_1 = __importDefault(require("lru"));
+const debug_1 = __importDefault(require("debug"));
+// @ts-ignore
+const protomux_1 = __importDefault(require("protomux"));
+const messages_js_1 = require("./messages.js");
+// @ts-ignore
+const compact_encoding_1 = __importDefault(require("compact-encoding"));
+const b4a_1 = __importDefault(require("b4a"));
+const debug = (0, debug_1.default)('dht-flood');
+const LRU_SIZE = 255;
+const TTL = 255;
+const PROTOCOL = "lumeweb.flood";
+const FLOOD_SYMBOL = Symbol.for(PROTOCOL);
+class DHTFlood extends events_1.default {
+    id;
+    ttl;
+    messageNumber;
+    lru;
+    swarm;
+    constructor({ lruSize = LRU_SIZE, ttl = TTL, messageNumber = 0, id = crypto_1.default.randomBytes(32), swarm = null } = {}) {
+        super();
+        this.id = id;
+        this.ttl = ttl;
+        this.messageNumber = messageNumber;
+        this.lru = new lru_1.default(lruSize);
+        if (!swarm) {
+            throw new Error('swarm is required');
+        }
+        this.swarm = swarm;
+        this.swarm.on("connection", (peer) => {
+            const mux = protomux_1.default.from(peer);
+            mux.pair({ protocol: PROTOCOL }, () => this.setupPeer(peer));
+        });
+    }
+    handleMessage({ originId, messageNumber, ttl, data }, messenger) {
+        const originIdBuf = b4a_1.default.from(originId);
+        // Ignore messages from ourselves
+        if (originIdBuf.equals(this.id))
+            return debug('Got message from self', originId, messageNumber);
+        // Ignore messages we've already seen
+        const key = originIdBuf.toString('hex') + messageNumber;
+        if (this.lru.get(key))
+            return debug('Got message that was already seen', originId, messageNumber);
+        this.lru.set(key, true);
+        this.emit('message', data, originId, messageNumber);
+        if (ttl <= 0)
+            return debug('Got message at end of TTL', originId, messageNumber, ttl);
+        messenger.send({
+            originId,
+            messageNumber,
+            data,
+            ttl: ttl - 1
+        });
+    }
+    setupPeer(peer) {
+        const mux = protomux_1.default.from(peer);
+        let chan;
+        if (!mux.opened({ protocol: PROTOCOL })) {
+            chan = mux.createChannel({
+                protocol: PROTOCOL,
+            });
+            peer[FLOOD_SYMBOL] = chan;
+        }
+        chan = peer[FLOOD_SYMBOL];
+        if (!chan) {
+            throw new Error('could not find channel');
+        }
+        if (!chan.messages.length) {
+            chan.addMessage({
+                encoding: {
+                    preencode: (state, m) => compact_encoding_1.default.raw.preencode(state, messages_js_1.Packet.encode(m).finish()),
+                    encode: (state, m) => compact_encoding_1.default.raw.encode(state, messages_js_1.Packet.encode(m).finish()),
+                    decode: (state) => messages_js_1.Packet.decode(compact_encoding_1.default.raw.decode(state)),
+                },
+                onmessage: (msg) => this.handleMessage(msg, chan.messages[0]),
+            });
+        }
+        if (!chan.opened) {
+            chan.open();
+        }
+        return chan.messages[0];
+    }
+    broadcast(data, ttl = this.ttl) {
+        this.messageNumber++;
+        const { id, messageNumber } = this;
+        for (const peer of this.swarm.connections.values()) {
+            const message = this.setupPeer(peer);
+            message.send({
+                originId: id,
+                messageNumber,
+                ttl,
+                data
+            });
+        }
+    }
+}
+exports.default = DHTFlood;

dist/messages.d.ts

@@ -0,0 +1,38 @@
+import * as _m0 from "protobufjs/minimal";
+export declare const protobufPackage = "";
+/** type=0 */
+export interface Packet {
+    originId: Uint8Array;
+    messageNumber: number;
+    ttl: number;
+    data: Uint8Array;
+}
+export declare const Packet: {
+    encode(message: Packet, writer?: _m0.Writer): _m0.Writer;
+    decode(input: _m0.Reader | Uint8Array, length?: number): Packet;
+    fromJSON(object: any): Packet;
+    toJSON(message: Packet): unknown;
+    fromPartial<I extends {
+        originId?: Uint8Array | undefined;
+        messageNumber?: number | undefined;
+        ttl?: number | undefined;
+        data?: Uint8Array | undefined;
+    } & {
+        originId?: Uint8Array | undefined;
+        messageNumber?: number | undefined;
+        ttl?: number | undefined;
+        data?: Uint8Array | undefined;
+    } & { [K in Exclude<keyof I, keyof Packet>]: never; }>(object: I): Packet;
+};
+declare type Builtin = Date | Function | Uint8Array | string | number | boolean | undefined;
+export declare type DeepPartial<T> = T extends Builtin ? T : T extends Array<infer U> ? Array<DeepPartial<U>> : T extends ReadonlyArray<infer U> ? ReadonlyArray<DeepPartial<U>> : T extends {} ? {
+    [K in keyof T]?: DeepPartial<T[K]>;
+} : Partial<T>;
+declare type KeysOfUnion<T> = T extends T ? keyof T : never;
+export declare type Exact<P, I extends P> = P extends Builtin ? P : P & {
+    [K in keyof P]: Exact<P[K], I[K]>;
+} & {
+    [K in Exclude<keyof I, KeysOfUnion<P>>]: never;
+};
+export {};
+//# sourceMappingURL=messages.d.ts.map

dist/messages.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"messages.d.ts","sourceRoot":"","sources":["../src/messages.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,GAAG,MAAM,oBAAoB,CAAC;AAE1C,eAAO,MAAM,eAAe,KAAK,CAAC;AAElC,aAAa;AACb,MAAM,WAAW,MAAM;IACrB,QAAQ,EAAE,UAAU,CAAC;IACrB,aAAa,EAAE,MAAM,CAAC;IACtB,GAAG,EAAE,MAAM,CAAC;IACZ,IAAI,EAAE,UAAU,CAAC;CAClB;AAMD,eAAO,MAAM,MAAM;oBACD,MAAM,WAAU,IAAI,MAAM,GAAyB,IAAI,MAAM;kBAgB/D,IAAI,MAAM,GAAG,UAAU,WAAW,MAAM,GAAG,MAAM;qBA2B9C,GAAG,GAAG,MAAM;oBASb,MAAM,GAAG,OAAO;;;;;;;;;;;uEAWiC,MAAM;CAQxE,CAAC;AA8CF,aAAK,OAAO,GAAG,IAAI,GAAG,QAAQ,GAAG,UAAU,GAAG,MAAM,GAAG,MAAM,GAAG,OAAO,GAAG,SAAS,CAAC;AAEpF,oBAAY,WAAW,CAAC,CAAC,IAAI,CAAC,SAAS,OAAO,GAAG,CAAC,GAC9C,CAAC,SAAS,KAAK,CAAC,MAAM,CAAC,CAAC,GAAG,KAAK,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,SAAS,aAAa,CAAC,MAAM,CAAC,CAAC,GAAG,aAAa,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC,GACnH,CAAC,SAAS,EAAE,GAAG;KAAG,CAAC,IAAI,MAAM,CAAC,CAAC,CAAC,EAAE,WAAW,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;CAAE,GACrD,OAAO,CAAC,CAAC,CAAC,CAAC;AAEf,aAAK,WAAW,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,GAAG,MAAM,CAAC,GAAG,KAAK,CAAC;AACpD,oBAAY,KAAK,CAAC,CAAC,EAAE,CAAC,SAAS,CAAC,IAAI,CAAC,SAAS,OAAO,GAAG,CAAC,GACrD,CAAC,GAAG;KAAG,CAAC,IAAI,MAAM,CAAC,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC;CAAE,GAAG;KAAG,CAAC,IAAI,OAAO,CAAC,MAAM,CAAC,EAAE,WAAW,CAAC,CAAC,CAAC,CAAC,GAAG,KAAK;CAAE,CAAC"}

dist/messages.js

@@ -0,0 +1,144 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Packet = exports.protobufPackage = void 0;
+/* eslint-disable */
+const _m0 = __importStar(require("protobufjs/minimal"));
+exports.protobufPackage = "";
+function createBasePacket() {
+    return { originId: new Uint8Array(), messageNumber: 0, ttl: 0, data: new Uint8Array() };
+}
+exports.Packet = {
+    encode(message, writer = _m0.Writer.create()) {
+        if (message.originId.length !== 0) {
+            writer.uint32(10).bytes(message.originId);
+        }
+        if (message.messageNumber !== 0) {
+            writer.uint32(16).uint32(message.messageNumber);
+        }
+        if (message.ttl !== 0) {
+            writer.uint32(24).uint32(message.ttl);
+        }
+        if (message.data.length !== 0) {
+            writer.uint32(34).bytes(message.data);
+        }
+        return writer;
+    },
+    decode(input, length) {
+        const reader = input instanceof _m0.Reader ? input : new _m0.Reader(input);
+        let end = length === undefined ? reader.len : reader.pos + length;
+        const message = createBasePacket();
+        while (reader.pos < end) {
+            const tag = reader.uint32();
+            switch (tag >>> 3) {
+                case 1:
+                    message.originId = reader.bytes();
+                    break;
+                case 2:
+                    message.messageNumber = reader.uint32();
+                    break;
+                case 3:
+                    message.ttl = reader.uint32();
+                    break;
+                case 4:
+                    message.data = reader.bytes();
+                    break;
+                default:
+                    reader.skipType(tag & 7);
+                    break;
+            }
+        }
+        return message;
+    },
+    fromJSON(object) {
+        return {
+            originId: isSet(object.originId) ? bytesFromBase64(object.originId) : new Uint8Array(),
+            messageNumber: isSet(object.messageNumber) ? Number(object.messageNumber) : 0,
+            ttl: isSet(object.ttl) ? Number(object.ttl) : 0,
+            data: isSet(object.data) ? bytesFromBase64(object.data) : new Uint8Array(),
+        };
+    },
+    toJSON(message) {
+        const obj = {};
+        message.originId !== undefined &&
+            (obj.originId = base64FromBytes(message.originId !== undefined ? message.originId : new Uint8Array()));
+        message.messageNumber !== undefined && (obj.messageNumber = Math.round(message.messageNumber));
+        message.ttl !== undefined && (obj.ttl = Math.round(message.ttl));
+        message.data !== undefined &&
+            (obj.data = base64FromBytes(message.data !== undefined ? message.data : new Uint8Array()));
+        return obj;
+    },
+    fromPartial(object) {
+        const message = createBasePacket();
+        message.originId = object.originId ?? new Uint8Array();
+        message.messageNumber = object.messageNumber ?? 0;
+        message.ttl = object.ttl ?? 0;
+        message.data = object.data ?? new Uint8Array();
+        return message;
+    },
+};
+var globalThis = (() => {
+    if (typeof globalThis !== "undefined") {
+        return globalThis;
+    }
+    if (typeof self !== "undefined") {
+        return self;
+    }
+    if (typeof window !== "undefined") {
+        return window;
+    }
+    if (typeof global !== "undefined") {
+        return global;
+    }
+    throw "Unable to locate global object";
+})();
+function bytesFromBase64(b64) {
+    if (globalThis.Buffer) {
+        return Uint8Array.from(globalThis.Buffer.from(b64, "base64"));
+    }
+    else {
+        const bin = globalThis.atob(b64);
+        const arr = new Uint8Array(bin.length);
+        for (let i = 0; i < bin.length; ++i) {
+            arr[i] = bin.charCodeAt(i);
+        }
+        return arr;
+    }
+}
+function base64FromBytes(arr) {
+    if (globalThis.Buffer) {
+        return globalThis.Buffer.from(arr).toString("base64");
+    }
+    else {
+        const bin = [];
+        arr.forEach((byte) => {
+            bin.push(String.fromCharCode(byte));
+        });
+        return globalThis.btoa(bin.join(""));
+    }
+}
+function isSet(value) {
+    return value !== null && value !== undefined;
+}