Merge pull request #1008 from cosmos/ledger-show-address

Add showAddress method to Ledger

.eslintrc.base.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

.gitignore

@@ -14,6 +14,7 @@ node_modules/
 
 # IDE-specific
 .vscode/
+.idea/
 
 # demo mnemonics from cli
 *.key

CHANGELOG.md

@@ -12,6 +12,8 @@ and this project adheres to
   JavaScript objects and the JSON representation of `cosmwasm_std::Binary`
   (base64).
 - @cosmjs/cosmwasm-stargate: Export `WasmExtension` and `setupWasmExtension`.
+- @cosmjs/ledger-amino: Added `LedgerSigner.showAddress` and
+  `LaunchpadLedger.showAddress` to show the user's address in the Ledger screen.
 
 ### Changed
 

packages/amino/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/cli/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/cosmwasm-stargate/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/crypto/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/encoding/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/faucet-client/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/faucet/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/json-rpc/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/launchpad/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/ledger-amino/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/ledger-amino/README.md

@@ -27,15 +27,13 @@ yarn demo-node
 
 ### Browser
 
-Build the package for web:
+Serve the project locally:
 
 ```sh
+# Build the package for web
 yarn pack-web
-```
 
-Host the `ledger-amino` package directory, for example using Python 3:
-
-```sh
+# Host the `ledger-amino` package directory, for example using Python 3
 python3 -m http.server
 ```
 

packages/ledger-amino/demo/index.css

@@ -1,4 +1,4 @@
-div {
+section {
   display: flex;
   align-items: center;
   justify-content: center;

packages/ledger-amino/demo/index.html

@@ -8,40 +8,63 @@
     <script src="../dist/demo/ledger.js"></script>
   </head>
   <body>
-    <div>
+    <section>
       <h1>Ledger Demo</h1>
-    </div>
-    <div>
+    </section>
+    <section>
       <ol>
         <li>Connect the Ledger device via USB</li>
         <li>Open the Cosmos app on the Ledger device</li>
         <li>Click the buttons below</li>
       </ol>
+    </section>
+    <section>
+      <button onclick="createSigner().then((signer) => {window.signer = signer; console.log('Connected')}, console.error)">
+        Connect to Ledger
+      </button>
     </div>
-    <div>
+    <section>
+      <h2>Accounts</h2>
       <button onclick="getAccounts(window.signer)">
         Get Accounts
       </button>
-    </div>
-    <div id="accounts"></div>
-    <div>
-      <label>Account No.</label>
-      <input id="account-number" type="number" value="" onchange="updateMessage(this.value)" min="0" max="0"></input>
-    </div>
-    <div>
-      <label>Address</label>
-      <input id="address" type="text" value="" disabled></input>
-    </div>
-    <div>
-      <label>Message</label>
-      <textarea id="sign-doc">
-      </textarea>
-    </div>
-    <div>
-      <button onclick="sign(window.signer)">
-        Sign Message
+      <div id="accounts"></div>
+    </section>
+    <section>
+      <h2>Show address</h2>
+      <div>
+        <label>Account No.</label>
+        <input id="account-number1" type="number" value="" onchange="setPath(this.value)" min="0" max="0"></input>
+      </div>
+      <div>
+        <label>Path</label>
+        <input id="path" type="text" value="" disabled></input>
+      </div>
+      <button onclick="showAddress(window.signer)">
+        Show address
       </button>
-    </div>
-    <div id="signature"></div>
+    </section>
+    <section>
+      <h2>Sign</h2>
+      <div>
+        <label>Account No.</label>
+        <input id="account-number2" type="number" value="" onchange="updateMessage(this.value)" min="0" max="0"></input>
+      </div>
+      <div>
+        <label>Address</label>
+        <input id="address" type="text" value="" disabled></input>
+      </div>
+      <div>
+        <label>Message</label>
+        <textarea id="sign-doc">
+        </textarea>
+      </div>
+      <div>
+        <button onclick="sign(window.signer)">
+          Sign Message
+        </button>
+      </div>
+      <div id="signature"></div>
+    </section>
   </body>
 </html>

packages/ledger-amino/demo/node.js

@@ -1,19 +1,64 @@
-const demo = require("../build/demo/node");
+const { makeCosmoshubPath, makeSignDoc } = require("@cosmjs/amino");
+const { pathToString } = require("@cosmjs/crypto");
+const { toBase64 } = require("@cosmjs/encoding");
+// eslint-disable-next-line @typescript-eslint/naming-convention
+const { LedgerSigner } = require("@cosmjs/ledger-amino");
+// eslint-disable-next-line @typescript-eslint/naming-convention
+const TransportNodeHid = require("@ledgerhq/hw-transport-node-hid").default;
+
+const interactiveTimeout = 120_000;
+const accountNumbers = [0, 1, 2, 10];
+const paths = accountNumbers.map(makeCosmoshubPath);
+
+const defaultChainId = "testing";
+const defaultFee = {
+  amount: [{ amount: "100", denom: "ucosm" }],
+  gas: "250",
+};
+const defaultMemo = "Some memo";
+const defaultSequence = "0";
+
+async function signMsgSend(signer, accountNumber, fromAddress, toAddress) {
+  const msg = {
+    type: "cosmos-sdk/MsgSend",
+    value: {
+      amount: [
+        {
+          amount: "1234567",
+          denom: "ucosm",
+        },
+      ],
+      // eslint-disable-next-line @typescript-eslint/naming-convention
+      from_address: fromAddress,
+      // eslint-disable-next-line @typescript-eslint/naming-convention
+      to_address: toAddress,
+    },
+  };
+  const signDoc = makeSignDoc([msg], defaultFee, defaultChainId, defaultMemo, accountNumber, defaultSequence);
+  const { signature } = await signer.signAmino(fromAddress, signDoc);
+  return signature;
+}
 
 async function run() {
-  const signer = await demo.createSigner();
+  const ledgerTransport = await TransportNodeHid.create(interactiveTimeout, interactiveTimeout);
+  const signer = new LedgerSigner(ledgerTransport, { testModeAllowed: true, hdPaths: paths });
 
-  const accountNumbers = [0, 1, 2, 10];
-  const accounts = await demo.getAccounts(signer);
+  const accounts = await signer.getAccounts();
+  const printableAccounts = accounts.map((account) => ({ ...account, pubkey: toBase64(account.pubkey) }));
   console.info("Accounts from Ledger device:");
-  console.table(accounts.map((account, i) => ({ ...account, accountNumber: accountNumbers[i] })));
+  console.table(printableAccounts.map((account, i) => ({ ...account, hdPath: pathToString(paths[i]) })));
+
+  console.info("Showing address of first account on device");
+  await signer.showAddress();
+  console.info("Showing address of 3rd account on device");
+  await signer.showAddress(paths[2]); // Path of 3rd account
 
   const accountNumber0 = 0;
   const address0 = accounts[accountNumber0].address;
   console.info(
     `Signing on Ledger device with account index ${accountNumber0} (${address0}). Please review and approve on the device now.`,
   );
-  const signature0 = await demo.sign(signer, accountNumber0, address0, address0);
+  const signature0 = await signMsgSend(signer, accountNumber0, address0, address0);
   console.info("Signature:", signature0);
 
   // It seems the Ledger device needs a bit of time to recover
@@ -24,8 +69,14 @@ async function run() {
   console.info(
     `Signing on Ledger device with account index ${accountNumber10} (${address10}). Please review and approve on the device now.`,
   );
-  const signature1 = await demo.sign(signer, accountNumber10, address10, address10);
+  const signature1 = await signMsgSend(signer, accountNumber10, address10, address10);
   console.info("Signature:", signature1);
 }
 
-run().catch(console.error);
+run().then(
+  () => process.exit(0),
+  (err) => {
+    console.error(err);
+    process.exit(1);
+  },
+);

packages/ledger-amino/src/demo/node.ts

@@ -1,60 +0,0 @@
-/* eslint-disable @typescript-eslint/naming-convention */
-import { makeCosmoshubPath, makeSignDoc, StdFee, StdSignature } from "@cosmjs/amino";
-import { toBase64 } from "@cosmjs/encoding";
-import TransportNodeHid from "@ledgerhq/hw-transport-node-hid";
-
-import { LedgerSigner } from "../ledgersigner";
-
-const defaultChainId = "testing";
-const defaultFee: StdFee = {
-  amount: [{ amount: "100", denom: "ucosm" }],
-  gas: "250",
-};
-const defaultMemo = "Some memo";
-const defaultSequence = "0";
-
-export async function createSigner(): Promise<LedgerSigner> {
-  const interactiveTimeout = 120_000;
-  const ledgerTransport = await TransportNodeHid.create(interactiveTimeout, interactiveTimeout);
-  return new LedgerSigner(ledgerTransport, {
-    testModeAllowed: true,
-    hdPaths: [makeCosmoshubPath(0), makeCosmoshubPath(1), makeCosmoshubPath(2), makeCosmoshubPath(10)],
-  });
-}
-
-export async function getAccounts(signer: LedgerSigner): Promise<
-  ReadonlyArray<{
-    readonly algo: string;
-    readonly address: string;
-    readonly pubkey: string;
-  }>
-> {
-  const accounts = await signer.getAccounts();
-  return accounts.map((account) => ({ ...account, pubkey: toBase64(account.pubkey) }));
-}
-
-export async function sign(
-  signer: LedgerSigner,
-  accountNumber: number,
-  fromAddress: string,
-  toAddress: string,
-): Promise<StdSignature> {
-  const msgs = [
-    {
-      type: "cosmos-sdk/MsgSend",
-      value: {
-        amount: [
-          {
-            amount: "1234567",
-            denom: "ucosm",
-          },
-        ],
-        from_address: fromAddress,
-        to_address: toAddress,
-      },
-    },
-  ];
-  const signDoc = makeSignDoc(msgs, defaultFee, defaultChainId, defaultMemo, accountNumber, defaultSequence);
-  const { signature } = await signer.signAmino(fromAddress, signDoc);
-  return signature;
-}

packages/ledger-amino/src/demo/web.ts

@@ -1,4 +1,5 @@
 import { AccountData, makeCosmoshubPath, StdSignDoc } from "@cosmjs/amino";
+import { pathToString, stringToPath } from "@cosmjs/crypto";
 import { toBase64 } from "@cosmjs/encoding";
 import { Uint53 } from "@cosmjs/math";
 import { assert } from "@cosmjs/utils";
@@ -9,6 +10,9 @@ import { LedgerSigner } from "../ledgersigner";
 declare const window: any;
 declare const document: any;
 
+const accountNumbers = [0, 1, 2, 10];
+const paths = accountNumbers.map(makeCosmoshubPath);
+
 let accounts: readonly AccountData[] = [];
 
 function createSignDoc(accountNumber: number, address: string): string {
@@ -59,12 +63,22 @@ window.updateMessage = (accountNumberInput: unknown) => {
   signDocTextArea.textContent = createSignDoc(accountNumber, address);
 };
 
+window.setPath = (accountNumberInput: unknown) => {
+  assert(typeof accountNumberInput === "string");
+  const accountNumber = Uint53.fromString(accountNumberInput).toNumber();
+
+  const path = pathToString(paths[accountNumber]);
+  const pathInput = document.getElementById("path");
+  pathInput.value = path;
+};
+
+// This must be called by the user an cannot be done on load (see "TransportWebUSBGestureRequired").
 window.createSigner = async function createSigner(): Promise<LedgerSigner> {
   const interactiveTimeout = 120_000;
   const ledgerTransport = await TransportWebUSB.create(interactiveTimeout, interactiveTimeout);
   return new LedgerSigner(ledgerTransport, {
     testModeAllowed: true,
-    hdPaths: [makeCosmoshubPath(0), makeCosmoshubPath(1), makeCosmoshubPath(2)],
+    hdPaths: paths,
   });
 };
 
@@ -73,7 +87,8 @@ window.getAccounts = async function getAccounts(signer: LedgerSigner | undefined
     console.error("Please wait for transport to connect");
     return;
   }
-  const accountNumberInput = document.getElementById("account-number");
+  const accountNumberInput1 = document.getElementById("account-number1");
+  const accountNumberInput2 = document.getElementById("account-number2");
   const addressInput = document.getElementById("address");
   const accountsDiv = document.getElementById("accounts");
   const signDocTextArea = document.getElementById("sign-doc");
@@ -87,16 +102,33 @@ window.getAccounts = async function getAccounts(signer: LedgerSigner | undefined
     }));
     accountsDiv.textContent = JSON.stringify(prettyAccounts, null, "\n");
     const accountNumber = 0;
-    accountNumberInput.max = accounts.length - 1;
-    accountNumberInput.value = accountNumber;
+
+    // Show address block
+    accountNumberInput1.max = accounts.length - 1;
+    accountNumberInput1.value = accountNumber;
+    window.setPath(accountNumber.toString());
+
+    // Sign block
+    accountNumberInput2.max = accounts.length - 1;
+    accountNumberInput2.value = accountNumber;
     const address = accounts[0].address;
     addressInput.value = address;
     signDocTextArea.textContent = createSignDoc(accountNumber, address);
   } catch (error) {
+    console.error(error);
     accountsDiv.textContent = error;
   }
 };
 
+window.showAddress = async function showAddress(signer: LedgerSigner | undefined): Promise<void> {
+  if (signer === undefined) {
+    console.error("Please wait for transport to connect");
+    return;
+  }
+  const path = stringToPath(document.getElementById("path").value);
+  await signer.showAddress(path);
+};
+
 window.sign = async function sign(signer: LedgerSigner | undefined): Promise<void> {
   if (signer === undefined) {
     console.error("Please wait for transport to connect");
@@ -115,7 +147,3 @@ window.sign = async function sign(signer: LedgerSigner | undefined): Promise<voi
     signatureDiv.textContent = error;
   }
 };
-
-window.onload = async function onLoad(): Promise<void> {
-  window.signer = await window.createSigner();
-};

packages/ledger-amino/src/index.ts

@@ -1,2 +1,2 @@
-export { LaunchpadLedger } from "./launchpadledger";
+export { AddressAndPubkey, LaunchpadLedger } from "./launchpadledger";
 export { LedgerSigner } from "./ledgersigner";

packages/ledger-amino/src/launchpadledger.ts

@@ -1,9 +1,10 @@
-import { makeCosmoshubPath } from "@cosmjs/amino";
+import { encodeSecp256k1Pubkey, makeCosmoshubPath, pubkeyToAddress, Secp256k1Pubkey } from "@cosmjs/amino";
 import { HdPath, Secp256k1Signature } from "@cosmjs/crypto";
 import { fromUtf8 } from "@cosmjs/encoding";
 import { assert } from "@cosmjs/utils";
 import Transport from "@ledgerhq/hw-transport";
 import CosmosApp, {
+  AddressAndPublicKeyResponse,
   AppInfoResponse,
   PublicKeyResponse,
   SignResponse,
@@ -51,6 +52,11 @@ export interface LaunchpadLedgerOptions {
   readonly minLedgerAppVersion?: string;
 }
 
+export interface AddressAndPubkey {
+  readonly address: string;
+  readonly pubkey: Secp256k1Pubkey;
+}
+
 export class LaunchpadLedger {
   private readonly testModeAllowed: boolean;
   private readonly hdPaths: readonly HdPath[];
@@ -109,7 +115,7 @@ export class LaunchpadLedger {
 
   public async getCosmosAddress(pubkey?: Uint8Array): Promise<string> {
     const pubkeyToUse = pubkey || (await this.getPubkey());
-    return CosmosApp.getBech32FromPK(this.prefix, Buffer.from(pubkeyToUse));
+    return pubkeyToAddress(encodeSecp256k1Pubkey(pubkeyToUse), this.prefix);
   }
 
   public async sign(message: Uint8Array, hdPath?: HdPath): Promise<Uint8Array> {
@@ -166,6 +172,29 @@ export class LaunchpadLedger {
     await this.verifyCosmosAppIsOpen();
   }
 
+  /**
+   * Shows the user's address in the device and returns an address/pubkey pair.
+   *
+   * The address will be shown with the native prefix of the app (e.g. cosmos, persistence, desmos)
+   * and does not support the usage of other address prefixes.
+   *
+   * @param path The HD path to show the address for. If unset, this is the first account.
+   */
+  public async showAddress(hdPath?: HdPath): Promise<AddressAndPubkey> {
+    await this.verifyDeviceIsReady();
+
+    const hdPathToUse = hdPath || this.hdPaths[0];
+    // ledger-cosmos-js hardens the first three indices
+    const response = await this.app.showAddressAndPubKey(unharden(hdPathToUse), this.prefix);
+    this.handleLedgerErrors(response);
+    // eslint-disable-next-line @typescript-eslint/naming-convention
+    const { address, compressed_pk } = response as AddressAndPublicKeyResponse;
+    return {
+      address: address,
+      pubkey: encodeSecp256k1Pubkey(compressed_pk),
+    };
+  }
+
   private handleLedgerErrors(
     /* eslint-disable @typescript-eslint/naming-convention */
     {

packages/ledger-amino/src/ledgersigner.ts

@@ -10,7 +10,7 @@ import {
 import { HdPath } from "@cosmjs/crypto";
 import Transport from "@ledgerhq/hw-transport";
 
-import { LaunchpadLedger, LaunchpadLedgerOptions } from "./launchpadledger";
+import { AddressAndPubkey, LaunchpadLedger, LaunchpadLedgerOptions } from "./launchpadledger";
 
 export class LedgerSigner implements OfflineAminoSigner {
   private readonly ledger: LaunchpadLedger;
@@ -37,6 +37,18 @@ export class LedgerSigner implements OfflineAminoSigner {
     return this.accounts;
   }
 
+  /**
+   * Shows the user's address in the device and returns an address/pubkey pair.
+   *
+   * The address will be shown with the native prefix of the app (e.g. cosmos, persistence, desmos)
+   * and does not support the usage of other address prefixes.
+   *
+   * @param path The HD path to show the address for. If unset, this is the first account.
+   */
+  public async showAddress(path?: HdPath): Promise<AddressAndPubkey> {
+    return this.ledger.showAddress(path);
+  }
+
   public async signAmino(signerAddress: string, signDoc: StdSignDoc): Promise<AminoSignResponse> {
     const accounts = this.accounts || (await this.getAccounts());
     const accountIndex = accounts.findIndex((account) => account.address === signerAddress);

packages/ledger-amino/webpack.demo.config.js

@@ -1,6 +1,7 @@
 /* eslint-disable @typescript-eslint/naming-convention */
 const glob = require("glob");
 const path = require("path");
+const webpack = require("webpack");
 
 const target = "web";
 const demodir = path.join(__dirname, "dist", "demo");
@@ -14,6 +15,11 @@ module.exports = [
       path: demodir,
       filename: "ledger.js",
     },
+    plugins: [
+      new webpack.ProvidePlugin({
+        Buffer: ["buffer", "Buffer"],
+      }),
+    ],
     resolve: {
       fallback: {
         buffer: false,

packages/math/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/proto-signing/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/socket/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/stargate/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/stream/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/tendermint-rpc/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {

packages/utils/.eslintrc.js

@@ -81,6 +81,7 @@ module.exports = {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/explicit-function-return-type": "off",
         "@typescript-eslint/explicit-member-accessibility": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
       },
     },
     {