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-rw-r--r--packages/subproviders/src/subproviders/ledger.ts8
-rw-r--r--packages/subproviders/src/utils/wallet_utils.ts22
-rw-r--r--packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts2
3 files changed, 13 insertions, 19 deletions
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index a7b79c128..fabff88cd 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -25,6 +25,7 @@ const DEFAULT_DERIVATION_PATH = `44'/60'/0'`;
const DEFAULT_NUM_ADDRESSES_TO_FETCH = 10;
const ASK_FOR_ON_DEVICE_CONFIRMATION = false;
const SHOULD_GET_CHAIN_CODE = true;
+const IS_CHILD_KEY = true;
/**
* Subprovider for interfacing with a user's [Ledger Nano S](https://www.ledgerwallet.com/products/ledger-nano-s).
@@ -40,7 +41,6 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
private _ledgerClientIfExists?: LedgerEthereumClient;
private _shouldAlwaysAskForConfirmation: boolean;
private _addressSearchLimit: number;
- private _hardenedKey: boolean = true;
/**
* Instantiates a LedgerSubprovider. Defaults to derivationPath set to `44'/60'/0'`.
* TestRPC/Ganache defaults to `m/44'/60'/0'/0`, so set this in the configs if desired.
@@ -110,7 +110,7 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
LedgerSubprovider._validateTxParams(txParams);
const initialHDKey = await this._initialHDKeyAsync();
const derivedKey = _.isUndefined(txParams.from)
- ? walletUtils._firstDerivedKey(initialHDKey, this._derivationPath, this._hardenedKey)
+ ? walletUtils._firstDerivedKey(initialHDKey, this._derivationPath, IS_CHILD_KEY)
: this._findDerivedKeyByPublicAddress(initialHDKey, txParams.from);
this._ledgerClientIfExists = await this._createLedgerClientAsync();
@@ -165,7 +165,7 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
assert.isHexString('data', data);
const initialHDKey = await this._initialHDKeyAsync();
const derivedKey = _.isUndefined(address)
- ? walletUtils._firstDerivedKey(initialHDKey, this._derivationPath, this._hardenedKey)
+ ? walletUtils._firstDerivedKey(initialHDKey, this._derivationPath, IS_CHILD_KEY)
: this._findDerivedKeyByPublicAddress(initialHDKey, address);
this._ledgerClientIfExists = await this._createLedgerClientAsync();
@@ -232,7 +232,7 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
initalHDKey,
this._derivationPath,
this._addressSearchLimit,
- this._hardenedKey,
+ IS_CHILD_KEY,
);
if (_.isUndefined(matchedDerivedKey)) {
throw new Error(`${WalletSubproviderErrors.AddressNotFound}: ${address}`);
diff --git a/packages/subproviders/src/utils/wallet_utils.ts b/packages/subproviders/src/utils/wallet_utils.ts
index 6c698a006..48d475559 100644
--- a/packages/subproviders/src/utils/wallet_utils.ts
+++ b/packages/subproviders/src/utils/wallet_utils.ts
@@ -7,25 +7,21 @@ import { DerivedHDKey, WalletSubproviderErrors } from '../types';
const DEFAULT_ADDRESS_SEARCH_OFFSET = 0;
const BATCH_SIZE = 10;
-// Derivation Paths
-// BIP44 m / purpose' / coin_type' / account' / change / address_index
-// m/44'/60'/0'/0
-// m/44'/60'/0'/0/0
-// m/44'/60'/0'/0/{account_index} - testrpc
-// m/44'/60'/0' - ledger
-
export const walletUtils = {
_calculateDerivedHDKeys(
initialHDKey: HDNode,
derivationPath: string,
searchLimit: number,
offset: number = DEFAULT_ADDRESS_SEARCH_OFFSET,
- hardened: boolean = false,
+ isChildKey: boolean = false,
): DerivedHDKey[] {
const derivedKeys: DerivedHDKey[] = [];
_.times(searchLimit, i => {
const derivationIndex = offset + i;
- const path = hardened ? `m/${derivationIndex}` : `m/${derivationPath}/${derivationIndex}`;
+ // Normally we need to set the full derivation path to walk the tree from the root
+ // as the initial key is at the root.
+ // But with ledger the initial key is a child so we walk the tree relative to that child
+ const path = isChildKey ? `m/${derivationIndex}` : `m/${derivationPath}/${derivationIndex}`;
const hdKey = initialHDKey.derive(path);
const derivedPublicKey = hdKey.publicKey;
const shouldSanitizePublicKey = true;
@@ -49,7 +45,7 @@ export const walletUtils = {
initialHDKey: HDNode,
derivationPath: string,
searchLimit: number,
- hardened: boolean = false,
+ isChild: boolean = false,
): DerivedHDKey | undefined {
let matchedKey: DerivedHDKey | undefined;
for (let index = 0; index < searchLimit; index = index + BATCH_SIZE) {
@@ -58,7 +54,7 @@ export const walletUtils = {
derivationPath,
BATCH_SIZE,
index,
- hardened,
+ isChild,
);
matchedKey = _.find(derivedKeys, derivedKey => derivedKey.address === address);
if (matchedKey) {
@@ -68,8 +64,8 @@ export const walletUtils = {
return matchedKey;
},
- _firstDerivedKey(initialHDKey: HDNode, derivationPath: string, hardened: boolean = false): DerivedHDKey {
- const derivedKeys = walletUtils._calculateDerivedHDKeys(initialHDKey, derivationPath, 1, 0, hardened);
+ _firstDerivedKey(initialHDKey: HDNode, derivationPath: string, isChild: boolean = false): DerivedHDKey {
+ const derivedKeys = walletUtils._calculateDerivedHDKeys(initialHDKey, derivationPath, 1, 0, isChild);
const firstDerivedKey = derivedKeys[0];
return firstDerivedKey;
},
diff --git a/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts b/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
index 16981cf86..77e5d35ae 100644
--- a/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
+++ b/packages/subproviders/test/unit/mnemonic_wallet_subprovider_test.ts
@@ -30,8 +30,6 @@ describe('MnemonicWalletSubprovider', () => {
describe('success cases', () => {
it('returns the accounts', async () => {
const accounts = await subprovider.getAccountsAsync();
- // tslint:disable-next-line:no-console
- console.log(accounts);
expect(accounts[0]).to.be.equal(fixtureData.TEST_RPC_ACCOUNT_0);
expect(accounts[1]).to.be.equal(fixtureData.TEST_RPC_ACCOUNT_1);
expect(accounts.length).to.be.equal(10);