Add Ninji Wallet

examples/solid-vite/src/App.tsx

@@ -10,6 +10,7 @@ import {
   LeapController,
   MetamaskInjectiveController,
   StationController,
+  NinjiController,
   UnsignedTx,
   WalletController,
   WalletName,
@@ -39,6 +40,7 @@ const WALLETS: Record<WalletName, string> = {
   [WalletName.LEAP]: "Leap",
   [WalletName.COMPASS]: "Compass",
   [WalletName.METAMASK_INJECTIVE]: "MetaMask",
+  [WalletName.NINJI]: "Ninji",
 };
 const TYPES: Record<WalletType, string> = {
   [WalletType.EXTENSION]: "Extension",
@@ -51,6 +53,7 @@ const CONTROLLERS: Record<string, WalletController> = {
   [WalletName.COMPASS]: new CompassController(),
   [WalletName.COSMOSTATION]: new CosmostationController(WC_PROJECT_ID),
   [WalletName.METAMASK_INJECTIVE]: new MetamaskInjectiveController(),
+  [WalletName.NINJI]: new NinjiController(),
 };
 
 function getRpc(chain: string): string {

src/wallet/constants/WalletName.ts

@@ -8,5 +8,6 @@ export const WalletName = {
   COMPASS: "compass",
   COSMOSTATION: "cosmostation",
   METAMASK_INJECTIVE: "metamask-injective",
+  NINJI: "ninji",
 } as const;
 export type WalletName = (typeof WalletName)[keyof typeof WalletName];

src/wallet/index.ts

@@ -20,3 +20,4 @@ export { LeapController } from "./wallets/leap/LeapController";
 export { MetamaskInjectiveController } from "./wallets/metamask-injective/MetamaskInjectiveController";
 export { MnemonicWallet } from "./wallets/mnemonic/MnemonicWallet";
 export { StationController } from "./wallets/station/StationController";
+export { NinjiController } from "./wallets/ninji/NinjiController";

src/wallet/utils/verify.ts

@@ -58,6 +58,7 @@ export function verifyArbitrary({
       case WalletName.COSMOSTATION:
       case WalletName.KEPLR:
       case WalletName.LEAP:
+      case WalletName.NINJI:
         return verifyADR36(params);
       case WalletName.METAMASK_INJECTIVE:
         return verifyEIP191(params);

src/wallet/wallets/ninji/NinjiController.ts

@@ -0,0 +1,79 @@
+import { Secp256k1PubKey } from "cosmes/client";
+
+import { WalletName } from "../../constants/WalletName";
+import { WalletType } from "../../constants/WalletType";
+import { WalletConnectV1 } from "../../walletconnect/WalletConnectV1";
+import { WalletConnectV2 } from "../../walletconnect/WalletConnectV2";
+import { ConnectedWallet } from "../ConnectedWallet";
+import { ChainInfo, WalletController } from "../WalletController";
+import { NinjiExtension } from "./NinjiExtension";
+
+export class NinjiController extends WalletController {
+  constructor() {
+    super(WalletName.NINJI);
+    this.registerAccountChangeHandlers();
+  }
+
+  public async isInstalled(type: WalletType) {
+    return type === WalletType.EXTENSION ? "ninji" in window : false;
+  }
+
+  protected async connectWalletConnect<T extends string>(
+    _chains: ChainInfo<T>[]
+  ): Promise<{
+    wallets: Map<T, ConnectedWallet>;
+    wc: WalletConnectV1 | WalletConnectV2;
+  }> {
+    // Ninji does not support WC yet
+    throw new Error("WalletConnect not supported");
+  }
+
+  protected async connectExtension<T extends string>(chains: ChainInfo<T>[]) {
+    const wallets = new Map<T, ConnectedWallet>();
+    const ext = window.ninji;
+    if (!ext) {
+      throw new Error("Ninji extension is not installed");
+    }
+    await ext.enable(chains.map(({ chainId }) => chainId));
+    for (const { chainId, rpc, gasPrice } of Object.values(chains)) {
+      const { bech32Address, pubKey, isNanoLedger } = await ext.getKey(chainId);
+      const key = new Secp256k1PubKey({
+        key: pubKey,
+      });
+      wallets.set(
+        chainId,
+        new NinjiExtension(
+          this.id,
+          ext,
+          chainId,
+          key,
+          bech32Address,
+          rpc,
+          gasPrice,
+          isNanoLedger
+        )
+      );
+    }
+    return wallets;
+  }
+
+  protected registerAccountChangeHandlers() {
+    /**
+     * ! IMPORTANT !
+     *
+     * Since Leap also uses the same event key, this causes issues when a user
+     * has both leap and ninji wallets connected simultaneously. For example,
+     * a change in Leap's keystore will trigger Ninji to emit this event as
+     * well, leading to a race condition when `changeAccount` is called.
+     *
+     * The Ninji team has been notified to possibly change this event emitted
+     * to `accountsChanged` instead.
+     */
+
+    if (typeof window !== "undefined" && window.ninji) {
+      window.ninji.on("accountsChanged", () =>
+        this.changeAccount(WalletType.EXTENSION)
+      );
+    }
+  }
+}

src/wallet/wallets/ninji/NinjiExtension.ts

@@ -0,0 +1,4 @@
+import { LeapExtension } from "../leap/LeapExtension";
+
+// Ninji's API is similar to Leap.
+export const NinjiExtension = LeapExtension;

src/wallet/wallets/ninji/types.ts

@@ -0,0 +1,10 @@
+import { Keplr } from "cosmes/registry";
+
+// Type is similar to Keplr
+export type Ninji = Keplr & {
+  on: (event: string, callback: () => void) => void;
+};
+
+export type Window = {
+  ninji?: Ninji | undefined;
+};

src/wallet/wallets/window.d.ts

@@ -5,6 +5,7 @@ import { Window as CosmostationWindow } from "./cosmostation/types";
 import { Window as LeapWindow } from "./leap/types";
 import { Window as EthereumWindow } from "./metamask-injective/types";
 import { Window as StationWindow } from "./station/types";
+import { Window as NinjiWindow } from "./ninji/types";
 
 declare global {
   interface Window
@@ -13,5 +14,6 @@ declare global {
       StationWindow,
       LeapWindow,
       CompassWindow,
-      EthereumWindow {}
+      EthereumWindow,
+      NinjiWindow {}
 }