launchpad-ledger: Add basic type declaration for ledger-cosmos-js

packages/launchpad-ledger/custom_types/ledger-cosmos-js.d.ts

@@ -0,0 +1,53 @@
+declare module "ledger-cosmos-js" {
+  import Transport from "@ledgerhq/hw-transport";
+
+  export interface ErrorResponse {
+    readonly return_code: number;
+    readonly error_message: string;
+  }
+
+  export interface VersionResponse {
+    readonly major: number;
+    readonly minor: number;
+    readonly patch: number;
+    readonly test_mode: boolean;
+    readonly error_message: string;
+    readonly device_locked: boolean;
+  }
+
+  export interface AppInfoResponse {
+    readonly appName: string;
+    readonly error_message: string;
+  }
+
+  export interface PublicKeyResponse {
+    readonly compressed_pk: Buffer;
+    readonly error_message: string;
+  }
+
+  export interface AddressAndPublicKeyResponse {
+    readonly compressed_pk: Buffer;
+    readonly address: string;
+    readonly error_message: string;
+  }
+
+  export interface SignResponse {
+    readonly signature: Buffer;
+    readonly error_message: string;
+  }
+
+  export default class CosmosApp {
+    static getBech32FromPK(hrp: string, pk: Buffer): string;
+
+    constructor(transport: Transport, scrambleKey?: string);
+
+    getVersion: () => Promise<VersionResponse | ErrorResponse>;
+    appInfo: () => Promise<AppInfoResponse | ErrorResponse>;
+    publicKey: (path: Array<number>) => Promise<PublicKeyResponse | ErrorResponse>;
+    showAddressAndPubKey: (
+      path: Array<number>,
+      hrp: string,
+    ) => Promise<AddressAndPublicKeyResponse | ErrorResponse>;
+    sign: (path: Array<number>, message: string) => Promise<SignResponse | ErrorResponse>;
+  }
+}

packages/launchpad-ledger/tsconfig.json

@@ -7,5 +7,5 @@
     "rootDir": "src",
     "lib": ["es2017", "dom"]
   },
-  "include": ["src/**/*"]
+  "include": ["src/**/*", "./custom_types/*"]
 }

tsconfig.json

@@ -4,6 +4,7 @@
     "declaration": true,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
+    "lib": ["es2017"],
     "module": "commonjs",
     "moduleResolution": "node",
     "newLine": "LF",
@@ -17,7 +18,6 @@
     "resolveJsonModule": true,
     "sourceMap": true,
     "strict": true,
-    "target": "es2017",
-    "lib": ["es2017"]
+    "target": "es2017"
   }
 }