From dc0d5d2649cae1965081b21f1db0a2e9729a574d Mon Sep 17 00:00:00 2001
From: willclarktech <willclarktech@users.noreply.github.com>
Date: Wed, 9 Sep 2020 18:14:33 +0200
Subject: [PATCH] launchpad-ledger: Add basic type declaration for
 ledger-cosmos-js

---
 .../custom_types/ledger-cosmos-js.d.ts        | 53 +++++++++++++++++++
 packages/launchpad-ledger/tsconfig.json       |  2 +-
 tsconfig.json                                 |  4 +-
 3 files changed, 56 insertions(+), 3 deletions(-)
 create mode 100644 packages/launchpad-ledger/custom_types/ledger-cosmos-js.d.ts

diff --git a/packages/launchpad-ledger/custom_types/ledger-cosmos-js.d.ts b/packages/launchpad-ledger/custom_types/ledger-cosmos-js.d.ts
new file mode 100644
index 00000000..f49d8461
--- /dev/null
+++ b/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>;
+  }
+}
diff --git a/packages/launchpad-ledger/tsconfig.json b/packages/launchpad-ledger/tsconfig.json
index 39c5e368..44242629 100644
--- a/packages/launchpad-ledger/tsconfig.json
+++ b/packages/launchpad-ledger/tsconfig.json
@@ -7,5 +7,5 @@
     "rootDir": "src",
     "lib": ["es2017", "dom"]
   },
-  "include": ["src/**/*"]
+  "include": ["src/**/*", "./custom_types/*"]
 }
diff --git a/tsconfig.json b/tsconfig.json
index 7817c12b..b74563e3 100644
--- a/tsconfig.json
+++ b/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"
   }
 }