route payload requests and handle signer methods

package.json

@@ -60,6 +60,7 @@
     "trailingComma": "es5"
   },
   "dependencies": {
-    "basic-provider": "^1.1.0"
+    "basic-provider": "^1.1.0",
+    "eccrypto-js": "^5.2.0"
   }
 }

src/client.ts

@@ -1,11 +1,19 @@
-import { IWakuProvider, IWakuSigner, IWakuStore } from "./typings";
+import {
+  IWakuProvider,
+  IWakuSigner,
+  IWakuStore,
+  IWakuClient,
+  JsonRpcRequest,
+} from "./typings";
 import {
   HttpConnection,
   WakuProvider,
   WakuSigner,
   WakuStore,
 } from "./controllers";
-class Waku {
+import { isSignerMethod, isNetworkMethod } from "./helpers/validators";
+import { WAKU_PREFIX } from "./constants";
+class Waku implements IWakuClient {
   public provider: IWakuProvider;
   public store: IWakuStore;
   public signer: IWakuSigner;
@@ -18,6 +26,16 @@ class Waku {
     this.store = store || new WakuStore();
     this.signer = new WakuSigner(this.store);
   }
+
+  public async request(payload: JsonRpcRequest): Promise<any> {
+    if (isSignerMethod(payload.method)) {
+      return this.signer.request(payload);
+    } else if (isNetworkMethod(payload.method)) {
+      return this.provider.request(payload);
+    }
+    const method = payload.method.replace(WAKU_PREFIX + "_", "");
+    return this[method](...payload.params);
+  }
 }
 
 export default Waku;

src/constants/index.ts

@@ -1 +1,2 @@
 export * from "./rpc";
+export * from "./store";

src/constants/rpc.ts

@@ -1,3 +1,5 @@
+export const WAKU_PREFIX = "waku";
+
 export const NETWORK_METHODS = {
   waku_info: "waku_info",
   waku_setMaxMessageSize: "waku_setMaxMessageSize",

src/constants/store.ts

@@ -0,0 +1 @@
+export const STORE_KEYS_ID = "WAKU_KEYS";

src/controllers/provider.ts

@@ -1,7 +1,7 @@
 import BasicProvider from "basic-provider";
 
 import { RPC_METHODS } from "../constants";
-import { IWakuProvider } from "../typings";
+import { IWakuProvider, JsonRpcRequest } from "../typings";
 
 export class WakuProvider extends BasicProvider implements IWakuProvider {
   get isWakuProvider(): boolean {
@@ -21,4 +21,8 @@ export class WakuProvider extends BasicProvider implements IWakuProvider {
       throw err;
     }
   }
+
+  public async request(payload: JsonRpcRequest): Promise<any> {
+    return this.send(payload.method, payload.params);
+  }
 }

src/controllers/signer.ts

@@ -1,18 +1,180 @@
-import { IWakuSigner, IWakuStore } from "../typings";
+import {
+  generateKeyPair,
+  bufferToHex,
+  getPublic,
+  hexToBuffer,
+  generatePrivate,
+} from "eccrypto-js";
+
+import {
+  IWakuSigner,
+  IWakuStore,
+  KeyMap,
+  KeyPair,
+  Key,
+  SymKey,
+  JsonRpcRequest,
+} from "../typings";
+import { STORE_KEYS_ID, WAKU_PREFIX } from "../constants";
+import { uuid, getFirstMatch } from "../helpers";
+import { isKeyPair, isSymKey } from "../helpers/validators";
 
 export class WakuSigner implements IWakuSigner {
-  constructor(private store: IWakuStore) {}
+  private keyMap: KeyMap = {};
 
-  public newKeyPair() {}
-  public addPrivateKey() {}
-  public deleteKeyPair() {}
-  public hasKeyPair() {}
-  public getPublicKey() {}
-  public getPrivateKey() {}
-  public newSymKey() {}
-  public addSymKey() {}
-  public generateSymKeyFromPassword() {}
-  public hasSymKey() {}
-  public getSymKey() {}
-  public deleteSymKey() {}
+  constructor(private store: IWakuStore) {
+    this.loadKeys();
+  }
+
+  // -- public ----------------------------------------------- //
+
+  public async newKeyPair(): Promise<string> {
+    await this.loadKeys();
+    const key = this.genKeyPair();
+    await this.addKey(key);
+    return key.id;
+  }
+
+  public async addPrivateKey(prvKey: string): Promise<string> {
+    await this.loadKeys();
+    let key = this.getMatchingKey("prvKey", prvKey);
+    if (!key) {
+      key = this.genKeyPair(prvKey);
+    }
+    await this.addKey(key);
+    return key.id;
+  }
+
+  public async deleteKeyPair(id: string): Promise<boolean> {
+    await this.loadKeys();
+    await this.removeKey(id);
+    return true;
+  }
+
+  public async hasKeyPair(id: string): Promise<boolean> {
+    await this.loadKeys();
+    let key = this.getMatchingKey("id", id);
+    return isKeyPair(key);
+  }
+
+  public async getPublicKey(id: string): Promise<string> {
+    await this.loadKeys();
+    let key = this.getMatchingKey("id", id);
+    if (!key) {
+      throw new Error(`No matching pubKey for id: ${id}`);
+    }
+    return (key as KeyPair).pubKey;
+  }
+
+  public async getPrivateKey(id: string): Promise<string> {
+    await this.loadKeys();
+    let key = this.getMatchingKey("id", id);
+    if (!key) {
+      throw new Error(`No matching privKey for id: ${id}`);
+    }
+    return (key as KeyPair).prvKey;
+  }
+
+  public async newSymKey(): Promise<string> {
+    await this.loadKeys();
+    const key = this.genSymKey();
+    await this.addKey(key);
+    return key.id;
+  }
+
+  public async addSymKey(symKey: string): Promise<string> {
+    await this.loadKeys();
+    let key = this.getMatchingKey("symKey", symKey);
+    if (!key) {
+      key = {
+        id: uuid(),
+        symKey,
+      };
+    }
+    await this.addKey(key);
+    return key.id;
+  }
+
+  public async generateSymKeyFromPassword(): Promise<string> {
+    await this.loadKeys();
+    // TODO: needs to accept optional "password" argument
+    const key = this.genSymKey();
+    await this.addKey(key);
+    return key.id;
+  }
+
+  public async hasSymKey(id: string): Promise<boolean> {
+    await this.loadKeys();
+    let key = this.getMatchingKey("id", id);
+    return isSymKey(key);
+  }
+
+  public async getSymKey(id: string): Promise<string> {
+    await this.loadKeys();
+    let key = this.getMatchingKey("id", id);
+    if (!key) {
+      throw new Error(`No matching symKey for id: ${id}`);
+    }
+    return (key as SymKey).symKey;
+  }
+
+  public async deleteSymKey(id: string): Promise<boolean> {
+    await this.loadKeys();
+    await this.removeKey(id);
+    return true;
+  }
+
+  public async request(payload: JsonRpcRequest): Promise<any> {
+    const method = payload.method.replace(WAKU_PREFIX + "_", "");
+    return this[method](...payload.params);
+  }
+
+  // -- private ----------------------------------------------- //
+
+  private getMatchingKey(param: string, value: string): Key | undefined {
+    return getFirstMatch<Key>(Object.values(this.keyMap), param, value);
+  }
+
+  private genKeyPair(prvKey?: string): KeyPair {
+    if (prvKey) {
+      return {
+        id: uuid(),
+        pubKey: bufferToHex(getPublic(hexToBuffer(prvKey)), true),
+        prvKey,
+      };
+    } else {
+      const key = generateKeyPair();
+      return {
+        id: uuid(),
+        pubKey: bufferToHex(key.publicKey, true),
+        prvKey: bufferToHex(key.privateKey, true),
+      };
+    }
+  }
+
+  private genSymKey(): SymKey {
+    const symKey = generatePrivate();
+    return {
+      id: uuid(),
+      symKey: bufferToHex(symKey, true),
+    };
+  }
+
+  private async loadKeys() {
+    this.keyMap = await this.store.get(STORE_KEYS_ID);
+  }
+
+  private async addKey(key: Key) {
+    this.keyMap[key.id] = key;
+    await this.persistKeys();
+  }
+
+  private async removeKey(id: string) {
+    delete this.keyMap[id];
+    await this.persistKeys();
+  }
+
+  private async persistKeys() {
+    await this.store.set(STORE_KEYS_ID, this.keyMap);
+  }
 }

src/helpers/index.ts

@@ -1,3 +1,4 @@
 export * from "./json";
 export * from "./local";
 export * from "./misc";
+export * from "./uuid";

src/helpers/misc.ts

@@ -13,3 +13,20 @@ export function getOrError<T>(name: string, target: any): T {
   }
   return res;
 }
+
+export function getFirstMatch<T>(
+  array: T[],
+  key: string,
+  value: any
+): T | undefined {
+  let result: T | undefined = undefined;
+  const matches = array.filter(
+    x => typeof x[key] !== "undefined" && x[key] === value
+  );
+
+  if (!!matches && matches.length) {
+    result = matches[0];
+  }
+
+  return result;
+}

src/helpers/uuid.ts

@@ -0,0 +1,16 @@
+export function uuid(): string {
+  const result: string = ((a?: any, b?: any) => {
+    for (
+      b = a = "";
+      a++ < 36;
+      b +=
+        (a * 51) & 52
+          ? (a ^ 15 ? 8 ^ (Math.random() * (a ^ 20 ? 16 : 4)) : 4).toString(16)
+          : "-"
+    ) {
+      // empty
+    }
+    return b;
+  })();
+  return result;
+}

src/helpers/validators.ts

@@ -0,0 +1,29 @@
+import { KeyPair, SymKey } from "../typings";
+import {
+  NETWORK_METHODS,
+  SIGNER_METHODS,
+  MESSAGING_METHODS,
+} from "../constants";
+
+export function isKeyPair(value?: any): value is KeyPair {
+  return typeof value.prvKey !== "undefined";
+}
+
+export function isSymKey(value?: any): value is SymKey {
+  return typeof value.symKey !== "undefined";
+}
+
+export function isNetworkMethod(value?: string): boolean {
+  if (!value) return false;
+  return Object.keys(NETWORK_METHODS).includes(value);
+}
+
+export function isSignerMethod(value?: string): boolean {
+  if (!value) return false;
+  return Object.keys(SIGNER_METHODS).includes(value);
+}
+
+export function isMessagingMethod(value?: string): boolean {
+  if (!value) return false;
+  return Object.keys(MESSAGING_METHODS).includes(value);
+}

src/typings/index.ts

@@ -1,23 +1,28 @@
 import BasicProvider from "basic-provider";
 
-export interface IWakuProvider extends BasicProvider {
+// -- interfaces ----------------------------------------------- //
+
+export interface IWakuController {
+  request(payload: JsonRpcRequest): Promise<any>;
+}
+export interface IWakuProvider extends BasicProvider, IWakuController {
   isWakuProvider: boolean;
   enable(): Promise<any>;
 }
 
-export interface IWakuSigner {
-  newKeyPair(): any;
-  addPrivateKey(): any;
-  deleteKeyPair(): any;
-  hasKeyPair(): any;
-  getPublicKey(): any;
-  getPrivateKey(): any;
-  newSymKey(): any;
-  addSymKey(): any;
-  generateSymKeyFromPassword(): any;
-  hasSymKey(): any;
-  getSymKey(): any;
-  deleteSymKey(): any;
+export interface IWakuSigner extends IWakuController {
+  newKeyPair(): Promise<string>;
+  addPrivateKey(prvKey: string): Promise<string>;
+  deleteKeyPair(id: string): Promise<boolean>;
+  hasKeyPair(id: string): Promise<boolean>;
+  getPublicKey(id: string): Promise<string>;
+  getPrivateKey(id: string): Promise<string>;
+  newSymKey(): Promise<string>;
+  addSymKey(symKey: string): Promise<string>;
+  generateSymKeyFromPassword(): Promise<string>;
+  hasSymKey(id: string): Promise<boolean>;
+  getSymKey(id: string): Promise<string>;
+  deleteSymKey(id: string): Promise<boolean>;
 }
 
 export interface IWakuStore {
@@ -25,3 +30,35 @@ export interface IWakuStore {
   get(key: string): Promise<any>;
   remove(key: string): Promise<void>;
 }
+
+export interface IWakuClient extends IWakuController {
+  provider: IWakuProvider;
+  store: IWakuStore;
+  signer: IWakuSigner;
+}
+
+// -- types ----------------------------------------------- //
+
+export type SymKey = {
+  id: string;
+  symKey: string;
+};
+
+export type KeyPair = {
+  id: string;
+  pubKey: string;
+  prvKey: string;
+};
+
+export type Key = SymKey | KeyPair;
+
+export type KeyMap = {
+  [id: string]: Key;
+};
+
+export type JsonRpcRequest = {
+  id: number;
+  jsonrpc: "2.0";
+  method: string;
+  params: any;
+};

yarn.lock

@@ -1407,6 +1407,11 @@ acorn@^7.1.0, acorn@^7.1.1:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.2.0.tgz#17ea7e40d7c8640ff54a694c889c26f31704effe"
   integrity sha512-apwXVmYVpQ34m/i71vrApRrRKCWQnZZF1+npOD0WV5xZFfwWOmKGQ2RWlfdy9vWITsenisM8M0Qeq8agcFHNiQ==
 
+aes-js@3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.1.2.tgz#db9aabde85d5caabbfc0d4f2a4446960f627146a"
+  integrity sha512-e5pEa2kBnBOgR4Y/p20pskXI74UEz7de8ZGVo58asOtvSVG5YAbJeELPZxOmt+Bnz3rX753YKhfIn4X4l1PPRQ==
+
 ajv-errors@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ajv-errors/-/ajv-errors-1.0.1.tgz#f35986aceb91afadec4102fbd85014950cefa64d"
@@ -1832,6 +1837,13 @@ bindings@^1.5.0:
   dependencies:
     file-uri-to-path "1.0.0"
 
+bip66@^1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/bip66/-/bip66-1.1.5.tgz#01fa8748785ca70955d5011217d1b3139969ca22"
+  integrity sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=
+  dependencies:
+    safe-buffer "^5.0.1"
+
 bluebird@3.5.5:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
@@ -1842,7 +1854,7 @@ bluebird@^3.5.5:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
   integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.4.0:
+bn.js@4.11.8, bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.11.8, bn.js@^4.4.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
   integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
@@ -1893,7 +1905,7 @@ browser-resolve@^1.11.3:
   dependencies:
     resolve "1.1.7"
 
-browserify-aes@^1.0.0, browserify-aes@^1.0.4:
+browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
@@ -2652,6 +2664,15 @@ domexception@^1.0.1:
   dependencies:
     webidl-conversions "^4.0.2"
 
+drbg.js@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/drbg.js/-/drbg.js-1.0.1.tgz#3e36b6c42b37043823cdbc332d58f31e2445480b"
+  integrity sha1-Pja2xCs3BDgjzbwzLVjzHiRFSAs=
+  dependencies:
+    browserify-aes "^1.0.6"
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+
 duplexify@^3.4.2, duplexify@^3.6.0:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.7.1.tgz#2a4df5317f6ccfd91f86d6fd25d8d8a103b88309"
@@ -2670,6 +2691,18 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
+eccrypto-js@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/eccrypto-js/-/eccrypto-js-5.2.0.tgz#eb3b36e9978d316fedf50be46492bb0d3e240cf5"
+  integrity sha512-pPb6CMapJ1LIzjLWxMqlrnfaEFap7qkk9wcO/b4AVSdxBQYlpOqvlPpq5SpUI4FdmfdhVD34AjN47fM8fryC4A==
+  dependencies:
+    aes-js "3.1.2"
+    enc-utils "2.1.0"
+    hash.js "1.1.7"
+    js-sha3 "0.8.0"
+    randombytes "2.1.0"
+    secp256k1 "3.8.0"
+
 electron-to-chromium@^1.3.413:
   version "1.3.435"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.435.tgz#22a7008e8f5a317a6d2d80802bddacebb19ae025"
@@ -2708,6 +2741,15 @@ emojis-list@^3.0.0:
   resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-3.0.0.tgz#5570662046ad29e2e916e71aae260abdff4f6a78"
   integrity sha512-/kyM18EfinwXZbno9FyUGeFh87KC8HRQBQGildHZbEuRyWFOmv1U10o9BBp8XVZDVNNuQKyIGIu5ZYAAXJ0V2Q==
 
+enc-utils@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/enc-utils/-/enc-utils-2.1.0.tgz#f6c28c3d4bb38fb409a93185848cf361f4fde142"
+  integrity sha512-VD0eunGDyzhojePzkORWDnW88gi6tIeGb5Z6QVHugux6mMAPiXyw94fb/7WdDQEWhKMSoYRyzFFUebCqeH20PA==
+  dependencies:
+    bn.js "4.11.8"
+    is-typedarray "1.0.0"
+    typedarray-to-buffer "3.1.5"
+
 end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
@@ -3608,7 +3650,7 @@ hash-base@^3.0.0:
     readable-stream "^3.6.0"
     safe-buffer "^5.2.0"
 
-hash.js@^1.0.0, hash.js@^1.0.3:
+hash.js@1.1.7, hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
   integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
@@ -3991,7 +4033,7 @@ is-symbol@^1.0.2:
   dependencies:
     has-symbols "^1.0.1"
 
-is-typedarray@~1.0.0:
+is-typedarray@1.0.0, is-typedarray@^1.0.0, is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
   integrity sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=
@@ -4465,6 +4507,11 @@ jpjs@^1.2.1:
   resolved "https://registry.yarnpkg.com/jpjs/-/jpjs-1.2.1.tgz#f343833de8838a5beba1f42d5a219be0114c44b7"
   integrity sha512-GxJWybWU4NV0RNKi6EIqk6IRPOTqd/h+U7sbtyuD7yUISUzV78LdHnq2xkevJsTlz/EImux4sWj+wfMiwKLkiw==
 
+js-sha3@0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
+  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
+
 "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -5012,7 +5059,7 @@ mute-stream@0.0.8:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
-nan@^2.12.1:
+nan@^2.12.1, nan@^2.14.0:
   version "2.14.1"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
   integrity sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==
@@ -5783,7 +5830,7 @@ querystring@0.2.0:
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
   integrity sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=
 
-randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
+randombytes@2.1.0, randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
   integrity sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==
@@ -6271,6 +6318,20 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
+secp256k1@3.8.0:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-3.8.0.tgz#28f59f4b01dbee9575f56a47034b7d2e3b3b352d"
+  integrity sha512-k5ke5avRZbtl9Tqx/SA7CbY3NF6Ro+Sj9cZxezFzuBlLDmyqPiL8hJJ+EmzD8Ig4LUDByHJ3/iPOVoRixs/hmw==
+  dependencies:
+    bindings "^1.5.0"
+    bip66 "^1.1.5"
+    bn.js "^4.11.8"
+    create-hash "^1.2.0"
+    drbg.js "^1.0.1"
+    elliptic "^6.5.2"
+    nan "^2.14.0"
+    safe-buffer "^5.1.2"
+
 semver-compare@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/semver-compare/-/semver-compare-1.0.0.tgz#0dee216a1c941ab37e9efb1788f6afc5ff5537fc"
@@ -7067,6 +7128,13 @@ type-fest@^0.8.1:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.8.1.tgz#09e249ebde851d3b1e48d27c105444667f17b83d"
   integrity sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==
 
+typedarray-to-buffer@3.1.5:
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
+  integrity sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==
+  dependencies:
+    is-typedarray "^1.0.0"
+
 typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"