Remove @coinbase/wallet-sdk dependency

react-native/client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@coinbase/wallet-mobile-sdk",
-  "version": "1.0.11",
+  "version": "1.0.12",
   "description": "Coinbase Wallet Mobile SDK for React Native",
   "main": "build/CoinbaseWalletSDK.js",
   "types": "build/CoinbaseWalletSDK.d.ts",
@@ -27,11 +27,11 @@
   "license": "Apache-2.0",
   "homepage": "https://github.com/coinbase/wallet-mobile-sdk#readme",
   "dependencies": {
-    "@coinbase/wallet-sdk": "3.9.1",
     "@metamask/safe-event-emitter": "2.0.0",
     "eth-rpc-errors": "4.0.3",
     "buffer": "6.0.3",
     "bn.js": "5.2.1",
+    "events": "^3.0.0",
     "react-native-mmkv": "2.11.0"
   },
   "devDependencies": {

react-native/client/src/WalletMobileSDKEVMProvider.ts

@@ -1,16 +1,16 @@
 import {
   RequestArguments,
   Web3Provider,
-} from "@coinbase/wallet-sdk/dist/provider/Web3Provider";
+} from "./types/provider/Web3Provider";
 import {
   JSONRPCRequest,
   JSONRPCResponse,
-} from "@coinbase/wallet-sdk/dist/provider/JSONRPC";
+} from "./types/provider/JSONRPC";
 import {
   AddressString,
   Callback,
   IntNumber,
-} from "@coinbase/wallet-sdk/dist/core/type";
+} from "./types/core/type";
 import { ethErrors } from "eth-rpc-errors";
 import {
   initiateHandshake,
@@ -29,8 +29,7 @@ import {
   hexStringFromBuffer,
   hexStringFromIntNumber,
   prepend0x,
-} from "@coinbase/wallet-sdk/dist/core/util";
-import { EthereumTransactionParams } from "@coinbase/wallet-sdk/dist/relay/walletlink/type/EthereumTransactionParams";
+} from "./types/core/util";
 import BN from "bn.js";
 import { MMKV, NativeMMKV } from "react-native-mmkv";
 import SafeEventEmitter from "@metamask/safe-event-emitter";
@@ -77,6 +76,19 @@ interface WatchAssetParams {
   };
 }
 
+interface EthereumTransactionParams {
+  fromAddress: AddressString;
+  toAddress: AddressString | null;
+  weiValue: BN;
+  data: Buffer;
+  nonce: IntNumber | null;
+  gasPriceInWei: BN | null;
+  maxFeePerGas: BN | null; // in wei
+  maxPriorityFeePerGas: BN | null; // in wei
+  gasLimit: BN | null;
+  chainId: IntNumber;
+}
+
 export class WalletMobileSDKEVMProvider
   extends SafeEventEmitter
   implements Web3Provider

react-native/client/src/types/core/type.ts

@@ -0,0 +1,38 @@
+// Copyright (c) 2018-2023 Coinbase, Inc. <https://www.coinbase.com/>
+// Licensed under the Apache License, version 2.0
+
+interface Tag<T extends string, RealType> {
+  __tag__: T;
+  __realType__: RealType;
+}
+
+export type OpaqueType<T extends string, U> = U & Tag<T, U>;
+
+export function OpaqueType<T extends Tag<string, unknown>>() {
+  return (value: T extends Tag<string, infer U> ? U : never): T => value as T;
+}
+
+export type HexString = OpaqueType<'HexString', string>;
+export const HexString = OpaqueType<HexString>();
+
+export type AddressString = OpaqueType<'AddressString', string>;
+export const AddressString = OpaqueType<AddressString>();
+
+export type BigIntString = OpaqueType<'BigIntString', string>;
+export const BigIntString = OpaqueType<BigIntString>();
+
+export type IntNumber = OpaqueType<'IntNumber', number>;
+export function IntNumber(num: number): IntNumber {
+  return Math.floor(num) as IntNumber;
+}
+
+export type RegExpString = OpaqueType<'RegExpString', string>;
+export const RegExpString = OpaqueType<RegExpString>();
+
+export type Callback<T> = (err: Error | null, result: T | null) => void;
+
+export enum ProviderType {
+  CoinbaseWallet = 'CoinbaseWallet',
+  MetaMask = 'MetaMask',
+  Unselected = '',
+}

react-native/client/src/types/core/util.ts

@@ -0,0 +1,165 @@
+// Copyright (c) 2018-2023 Coinbase, Inc. <https://www.coinbase.com/>
+// Licensed under the Apache License, version 2.0
+
+import BN from 'bn.js';
+
+import { AddressString, BigIntString, HexString, IntNumber, RegExpString } from './type';
+
+const INT_STRING_REGEX = /^[0-9]*$/;
+const HEXADECIMAL_STRING_REGEX = /^[a-f0-9]*$/;
+
+export function hexStringToUint8Array(hexString: string): Uint8Array {
+  return new Uint8Array(hexString.match(/.{1,2}/g)!.map((byte) => parseInt(byte, 16)));
+}
+
+export function hexStringFromBuffer(buf: Buffer, includePrefix = false): HexString {
+  const hex = buf.toString('hex');
+  return HexString(includePrefix ? `0x${hex}` : hex);
+}
+
+export function bigIntStringFromBN(bn: BN): BigIntString {
+  return BigIntString(bn.toString(10));
+}
+
+export function intNumberFromHexString(hex: HexString): IntNumber {
+  return IntNumber(new BN(ensureEvenLengthHexString(hex, false), 16).toNumber());
+}
+
+export function hexStringFromIntNumber(num: IntNumber): HexString {
+  return HexString(`0x${new BN(num).toString(16)}`);
+}
+
+export function has0xPrefix(str: string): boolean {
+  return str.startsWith('0x') || str.startsWith('0X');
+}
+
+export function strip0x(hex: string): string {
+  if (has0xPrefix(hex)) {
+    return hex.slice(2);
+  }
+  return hex;
+}
+
+export function prepend0x(hex: string): string {
+  if (has0xPrefix(hex)) {
+    return `0x${hex.slice(2)}`;
+  }
+  return `0x${hex}`;
+}
+
+export function isHexString(hex: unknown): hex is HexString {
+  if (typeof hex !== 'string') {
+    return false;
+  }
+  const s = strip0x(hex).toLowerCase();
+  return HEXADECIMAL_STRING_REGEX.test(s);
+}
+
+class InvalidParamsError extends Error {
+  code = -32602;
+  constructor(message: string) {
+    super(message);
+  }
+}
+
+export function ensureHexString(hex: unknown, includePrefix = false): HexString {
+  if (typeof hex === 'string') {
+    const s = strip0x(hex).toLowerCase();
+    if (HEXADECIMAL_STRING_REGEX.test(s)) {
+      return HexString(includePrefix ? `0x${s}` : s);
+    }
+  }
+  throw new InvalidParamsError(`"${String(hex)}" is not a hexadecimal string`);
+}
+
+export function ensureEvenLengthHexString(hex: unknown, includePrefix = false): HexString {
+  let h = ensureHexString(hex, false);
+  if (h.length % 2 === 1) {
+    h = HexString(`0${h}`);
+  }
+  return includePrefix ? HexString(`0x${h}`) : h;
+}
+
+export function ensureAddressString(str: unknown): AddressString {
+  if (typeof str === 'string') {
+    const s = strip0x(str).toLowerCase();
+    if (isHexString(s) && s.length === 40) {
+      return AddressString(prepend0x(s));
+    }
+  }
+  throw new InvalidParamsError(`Invalid Ethereum address: ${String(str)}`);
+}
+
+export function ensureBuffer(str: unknown): Buffer {
+  if (Buffer.isBuffer(str)) {
+    return str;
+  }
+  if (typeof str === 'string') {
+    if (isHexString(str)) {
+      const s = ensureEvenLengthHexString(str, false);
+      return Buffer.from(s, 'hex');
+    }
+    return Buffer.from(str, 'utf8');
+  }
+  throw new InvalidParamsError(`Not binary data: ${String(str)}`);
+}
+
+export function ensureIntNumber(num: unknown): IntNumber {
+  if (typeof num === 'number' && Number.isInteger(num)) {
+    return IntNumber(num);
+  }
+  if (typeof num === 'string') {
+    if (INT_STRING_REGEX.test(num)) {
+      return IntNumber(Number(num));
+    }
+    if (isHexString(num)) {
+      return IntNumber(new BN(ensureEvenLengthHexString(num, false), 16).toNumber());
+    }
+  }
+  throw new InvalidParamsError(`Not an integer: ${String(num)}`);
+}
+
+export function ensureRegExpString(regExp: unknown): RegExpString {
+  if (regExp instanceof RegExp) {
+    return RegExpString(regExp.toString());
+  }
+  throw new InvalidParamsError(`Not a RegExp: ${String(regExp)}`);
+}
+
+export function ensureBN(val: unknown): BN {
+  if (val !== null && (BN.isBN(val) || isBigNumber(val))) {
+    return new BN((val as any).toString(10), 10);
+  }
+  if (typeof val === 'number') {
+    return new BN(ensureIntNumber(val));
+  }
+  if (typeof val === 'string') {
+    if (INT_STRING_REGEX.test(val)) {
+      return new BN(val, 10);
+    }
+    if (isHexString(val)) {
+      return new BN(ensureEvenLengthHexString(val, false), 16);
+    }
+  }
+  throw new InvalidParamsError(`Not an integer: ${String(val)}`);
+}
+
+export function ensureParsedJSONObject<T extends object>(val: unknown): T {
+  if (typeof val === 'string') {
+    return JSON.parse(val) as T;
+  }
+
+  if (typeof val === 'object') {
+    return val as T;
+  }
+
+  throw new InvalidParamsError(`Not a JSON string or an object: ${String(val)}`);
+}
+
+export function isBigNumber(val: unknown): boolean {
+  if (val == null || typeof (val as any).constructor !== 'function') {
+    return false;
+  }
+  const { constructor } = val as any;
+  return typeof constructor.config === 'function' && typeof constructor.EUCLID === 'number';
+}

react-native/client/src/types/provider/JSONRPC.ts

@@ -0,0 +1,58 @@
+// Copyright (c) 2018-2023 Coinbase, Inc. <https://www.coinbase.com/>
+// Licensed under the Apache License, version 2.0
+
+export type JSONRPCMethod =
+  // synchronous or asynchronous
+  | 'eth_accounts'
+  | 'eth_coinbase'
+  | 'net_version'
+  | 'eth_chainId'
+  | 'eth_uninstallFilter' // synchronous
+
+  // asynchronous only
+  | 'eth_requestAccounts'
+  | 'eth_sign'
+  | 'eth_ecRecover'
+  | 'personal_sign'
+  | 'personal_ecRecover'
+  | 'eth_signTransaction'
+  | 'eth_sendRawTransaction'
+  | 'eth_sendTransaction'
+  | 'eth_signTypedData_v1'
+  | 'eth_signTypedData_v2'
+  | 'eth_signTypedData_v3'
+  | 'eth_signTypedData_v4'
+  | 'eth_signTypedData'
+  | 'walletlink_arbitrary' // compatibility
+  | 'wallet_addEthereumChain'
+  | 'wallet_switchEthereumChain'
+  | 'wallet_watchAsset'
+
+  // asynchronous pub/sub
+  | 'eth_subscribe'
+  | 'eth_unsubscribe'
+
+  // asynchronous filter methods
+  | 'eth_newFilter'
+  | 'eth_newBlockFilter'
+  | 'eth_newPendingTransactionFilter'
+  | 'eth_getFilterChanges'
+  | 'eth_getFilterLogs';
+
+export interface JSONRPCRequest<T = any> {
+  jsonrpc: '2.0';
+  id: number;
+  method: string;
+  params: T;
+}
+
+export interface JSONRPCResponse<T = any, U = any> {
+  jsonrpc: '2.0';
+  id: number;
+  result?: T;
+  error?: {
+    code: number;
+    message: string;
+    data?: U;
+  } | null;
+}

react-native/client/src/types/provider/Web3Provider.ts

@@ -0,0 +1,32 @@
+// Copyright (c) 2018-2023 Coinbase, Inc. <https://www.coinbase.com/>
+// Licensed under the Apache License, version 2.0
+
+import { Callback } from '../core/type';
+import { JSONRPCRequest, JSONRPCResponse } from './JSONRPC';
+
+export interface Web3Provider {
+  send(request: JSONRPCRequest): JSONRPCResponse;
+  send(request: JSONRPCRequest[]): JSONRPCResponse[];
+  send(request: JSONRPCRequest, callback: Callback<JSONRPCResponse>): void;
+  send(request: JSONRPCRequest[], callback: Callback<JSONRPCResponse[]>): void;
+  send<T = unknown>(method: string, params?: unknown[] | unknown): Promise<T>;
+
+  sendAsync(request: JSONRPCRequest, callback: Callback<JSONRPCResponse>): void;
+  sendAsync(request: JSONRPCRequest[], callback: Callback<JSONRPCResponse[]>): void;
+
+  request<T>(args: RequestArguments): Promise<T>;
+
+  host: string;
+  connected: boolean;
+  chainId: string;
+  supportsSubscriptions(): boolean;
+  disconnect(): boolean;
+}
+
+export interface RequestArguments {
+  /** The RPC method to request. */
+  method: string;
+
+  /** The params of the RPC method, if any. */
+  params?: unknown;
+}