Inject windoe.bbnwallet

packages/provider/src/babylon.ts

@@ -0,0 +1,99 @@
+import {
+  IBBNProvider,
+  Keplr,
+  OfflineAminoSigner,
+  OfflineDirectSigner,
+} from "@keplr-wallet/types";
+
+const BabylonChainInfo = {
+  chainId: "bbn-test-5",
+  chainName: "Babylon Phase-2 Testnet",
+  chainSymbolImageUrl:
+    "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/bbn-test/chain.png",
+  rpc: "https://babylon-testnet-rpc.nodes.guru",
+  rest: "https://babylon-testnet-api.nodes.guru",
+  nodeProvider: {
+    name: "NodesGuru",
+    email: "[email protected]",
+    website: "https://nodes.guru/",
+  },
+  bip44: {
+    coinType: 118,
+  },
+  bech32Config: {
+    bech32PrefixAccAddr: "bbn",
+    bech32PrefixAccPub: "bbnpub",
+    bech32PrefixValAddr: "bbnvaloper",
+    bech32PrefixValPub: "bbnvaloperpub",
+    bech32PrefixConsAddr: "bbnvalcons",
+    bech32PrefixConsPub: "bbnvalconspub",
+  },
+  currencies: [
+    {
+      coinDenom: "BABY",
+      coinMinimalDenom: "ubbn",
+      coinDecimals: 6,
+      coinImageUrl:
+        "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/bbn-test/chain.png",
+    },
+  ],
+  feeCurrencies: [
+    {
+      coinDenom: "BABY",
+      coinMinimalDenom: "ubbn",
+      coinDecimals: 6,
+      coinImageUrl:
+        "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/bbn-test/chain.png",
+      gasPriceStep: {
+        low: 0.007,
+        average: 0.007,
+        high: 0.01,
+      },
+    },
+  ],
+  stakeCurrency: {
+    coinDenom: "BABY",
+    coinMinimalDenom: "ubbn",
+    coinDecimals: 6,
+    coinImageUrl:
+      "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/bbn-test/chain.png",
+  },
+  features: ["cosmwasm"],
+};
+
+export class KeplrBBNProvider implements IBBNProvider {
+  constructor(protected readonly keplr: Keplr) {}
+
+  async connectWallet(): Promise<void> {
+    await this.keplr.experimentalSuggestChain(BabylonChainInfo);
+    await this.keplr.enable(BabylonChainInfo.chainId);
+  }
+
+  async getAddress(): Promise<string> {
+    await this.keplr.experimentalSuggestChain(BabylonChainInfo);
+    await this.keplr.enable(BabylonChainInfo.chainId);
+    return (await this.keplr.getKey(BabylonChainInfo.chainId)).bech32Address;
+  }
+
+  async getOfflineSigner(): Promise<OfflineAminoSigner & OfflineDirectSigner> {
+    return this.keplr.getOfflineSigner(BabylonChainInfo.chainId);
+  }
+
+  async getPublicKeyHex(): Promise<string> {
+    await this.keplr.experimentalSuggestChain(BabylonChainInfo);
+    await this.keplr.enable(BabylonChainInfo.chainId);
+    return Array.from(
+      (await this.keplr.getKey(BabylonChainInfo.chainId)).pubKey
+    )
+      .map((byte) => byte.toString(16).padStart(2, "0"))
+      .join("");
+  }
+
+  async getWalletProviderIcon(): Promise<string> {
+    return process.env["KEPLR_EXT_EIP6963_PROVIDER_INFO_ICON"] || "";
+  }
+
+  async getWalletProviderName(): Promise<string> {
+    return "Keplr";
+  }
+}

packages/provider/src/inject.ts

@@ -47,6 +47,7 @@ import {
   InvocationsSignerDetails,
   ProviderInterface,
 } from "starknet";
+import { KeplrBBNProvider } from "./babylon";
 
 export interface ProxyRequest {
   type: "proxy-request";
@@ -105,6 +106,11 @@ export function injectKeplrToWindow(keplr: IKeplr): void {
   );
 
   defineUnwritablePropertyIfPossible(window, "starknet_keplr", keplr.starknet);
+  defineUnwritablePropertyIfPossible(
+    window,
+    "bbnwallet",
+    new KeplrBBNProvider(keplr)
+  );
 }
 
 /**

packages/types/src/babylon.ts

@@ -0,0 +1,43 @@
+import { OfflineAminoSigner, OfflineDirectSigner } from "./cosmjs";
+
+export interface IBBNProvider {
+  /**
+   * Connects to the wallet and returns the instance of the wallet provider.
+   * @returns A promise that resolves to an instance of the wrapper wallet provider.
+   * @throws An error if the wallet is not installed or if connection fails.
+   */
+  connectWallet(): Promise<void>;
+
+  /**
+   * Gets the address of the connected wallet.
+   * @returns A promise that resolves to the address of the connected wallet.
+   */
+  getAddress(): Promise<string>;
+
+  /**
+   * Gets the public key of the connected wallet.
+   * @returns A promise that resolves to the public key of the connected wallet.
+   */
+  getPublicKeyHex(): Promise<string>;
+
+  /**
+   * Gets the name of the wallet provider.
+   * @returns A promise that resolves to the name of the wallet provider.
+   */
+  getWalletProviderName(): Promise<string>;
+
+  /**
+   * Gets the icon of the wallet provider.
+   * @returns A promise that resolves to the icon of the wallet provider.
+   */
+  getWalletProviderIcon(): Promise<string>;
+
+  /**
+   * Retrieves an offline signer that supports both Amino and Direct signing methods.
+   * This signer is used for signing transactions offline before broadcasting them to the network.
+   *
+   * @returns {Promise<OfflineAminoSigner & OfflineDirectSigner>} A promise that resolves to a signer supporting both Amino and Direct signing
+   * @throws {Error} If wallet connection is not established or signer cannot be retrieved
+   */
+  getOfflineSigner(): Promise<OfflineAminoSigner & OfflineDirectSigner>;
+}

packages/types/src/index.ts

@@ -9,3 +9,4 @@ export * from "./cosmjs";
 export * from "./cosmjs-alt";
 export * from "./secretjs";
 export * from "./settled";
+export * from "./babylon";