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-rw-r--r--packages/subproviders/src/subproviders/ledger.ts16
-rw-r--r--packages/subproviders/src/subproviders/mnemonic_wallet.ts40
-rw-r--r--packages/subproviders/src/types.ts2
-rw-r--r--packages/subproviders/src/utils/wallet_utils.ts9
4 files changed, 32 insertions, 35 deletions
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index 06c115105..d956a4f9d 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -26,6 +26,7 @@ const ASK_FOR_ON_DEVICE_CONFIRMATION = false;
const SHOULD_GET_CHAIN_CODE = true;
const DEFAULT_NUM_ADDRESSES_TO_FETCH = 10;
const DEFAULT_ADDRESS_SEARCH_LIMIT = 1000;
+const INITIAL_KEY_DERIVATION_INDEX = 0;
/**
* Subprovider for interfacing with a user's [Ledger Nano S](https://www.ledgerwallet.com/products/ledger-nano-s).
@@ -203,10 +204,11 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
private async _initialDerivedKeyInfoAsync(): Promise<DerivedHDKeyInfo> {
const ledgerClient = await this._createLedgerClientAsync();
+ const parentKeyDerivationPath = `m/${this._baseDerivationPath}`;
let ledgerResponse;
try {
ledgerResponse = await ledgerClient.getAddress(
- this._baseDerivationPath,
+ parentKeyDerivationPath,
this._shouldAlwaysAskForConfirmation,
SHOULD_GET_CHAIN_CODE,
);
@@ -216,16 +218,14 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
const hdKey = new HDNode();
hdKey.publicKey = new Buffer(ledgerResponse.publicKey, 'hex');
hdKey.chainCode = new Buffer(ledgerResponse.chainCode, 'hex');
- const derivationPath = `${this._baseDerivationPath}/0`;
- const derivationIndex = 0;
- return {
+ const address = walletUtils.addressOfHDKey(hdKey);
+ const initialDerivedKeyInfo = {
hdKey,
- address: ledgerResponse.address,
- isChildKey: true,
+ address,
+ derivationPath: parentKeyDerivationPath,
baseDerivationPath: this._baseDerivationPath,
- derivationPath,
- derivationIndex,
};
+ return initialDerivedKeyInfo;
}
private _findDerivedKeyInfoForAddress(initalHDKey: DerivedHDKeyInfo, address: string): DerivedHDKeyInfo {
const matchedDerivedKeyInfo = walletUtils.findDerivedKeyInfoForAddressIfExists(
diff --git a/packages/subproviders/src/subproviders/mnemonic_wallet.ts b/packages/subproviders/src/subproviders/mnemonic_wallet.ts
index 5dc1b3be7..287dcfd7d 100644
--- a/packages/subproviders/src/subproviders/mnemonic_wallet.ts
+++ b/packages/subproviders/src/subproviders/mnemonic_wallet.ts
@@ -14,8 +14,7 @@ import { PrivateKeyWalletSubprovider } from './private_key_wallet';
const DEFAULT_BASE_DERIVATION_PATH = `44'/60'/0'/0`;
const DEFAULT_NUM_ADDRESSES_TO_FETCH = 10;
const DEFAULT_ADDRESS_SEARCH_LIMIT = 1000;
-const ROOT_KEY_DERIVATION_PATH = 'm/';
-const ROOT_KEY_DERIVATION_INDEX = 0;
+const INITIAL_KEY_DERIVATION_INDEX = 0;
/**
* This class implements the [web3-provider-engine](https://github.com/MetaMask/provider-engine) subprovider interface.
@@ -26,6 +25,8 @@ export class MnemonicWalletSubprovider extends BaseWalletSubprovider {
private _addressSearchLimit: number;
private _baseDerivationPath: string;
private _derivedKeyInfo: DerivedHDKeyInfo;
+ private _mnemonic: string;
+
/**
* Instantiates a MnemonicWalletSubprovider. Defaults to baseDerivationPath set to `44'/60'/0'/0`.
* This is the default in TestRPC/Ganache, it can be overridden if desired.
@@ -41,20 +42,10 @@ export class MnemonicWalletSubprovider extends BaseWalletSubprovider {
assert.isNumber('addressSearchLimit', addressSearchLimit);
super();
- const seed = bip39.mnemonicToSeed(mnemonic);
- const hdKey = HDNode.fromMasterSeed(seed);
+ this._mnemonic = mnemonic;
this._baseDerivationPath = baseDerivationPath;
- this._derivedKeyInfo = {
- address: walletUtils.addressOfHDKey(hdKey),
- // HACK this isn't the base path for this root key, but is is the base path
- // we want all of the derived children to branched from
- baseDerivationPath: this._baseDerivationPath,
- derivationPath: ROOT_KEY_DERIVATION_PATH,
- derivationIndex: ROOT_KEY_DERIVATION_INDEX,
- hdKey,
- isChildKey: false,
- };
this._addressSearchLimit = addressSearchLimit;
+ this._derivedKeyInfo = this._initialDerivedKeyInfo(this._baseDerivationPath);
}
/**
* Retrieve the set derivation path
@@ -69,10 +60,7 @@ export class MnemonicWalletSubprovider extends BaseWalletSubprovider {
*/
public setPath(baseDerivationPath: string) {
this._baseDerivationPath = baseDerivationPath;
- this._derivedKeyInfo = {
- ...this._derivedKeyInfo,
- baseDerivationPath,
- };
+ this._derivedKeyInfo = this._initialDerivedKeyInfo(this._baseDerivationPath);
}
/**
* Retrieve the accounts associated with the mnemonic.
@@ -140,4 +128,20 @@ export class MnemonicWalletSubprovider extends BaseWalletSubprovider {
}
return matchedDerivedKeyInfo;
}
+ private _initialDerivedKeyInfo(baseDerivationPath: string): DerivedHDKeyInfo {
+ const seed = bip39.mnemonicToSeed(this._mnemonic);
+ const hdKey = HDNode.fromMasterSeed(seed);
+ // Walk down to base derivation level (i.e m/44'/60'/0') and create an initial key at that level
+ // all children will then be walked relative (i.e m/0)
+ const parentKeyDerivationPath = `m/${baseDerivationPath}`;
+ const parentHDKeyAtDerivationPath = hdKey.derive(parentKeyDerivationPath);
+ const address = walletUtils.addressOfHDKey(parentHDKeyAtDerivationPath);
+ const derivedKeyInfo = {
+ address,
+ baseDerivationPath,
+ derivationPath: parentKeyDerivationPath,
+ hdKey: parentHDKeyAtDerivationPath,
+ };
+ return derivedKeyInfo;
+ }
}
diff --git a/packages/subproviders/src/types.ts b/packages/subproviders/src/types.ts
index b9d9d08ee..74ecec23b 100644
--- a/packages/subproviders/src/types.ts
+++ b/packages/subproviders/src/types.ts
@@ -120,11 +120,9 @@ export enum NonceSubproviderErrors {
}
export interface DerivedHDKeyInfo {
address: string;
- derivationIndex: number;
baseDerivationPath: string;
derivationPath: string;
hdKey: HDNode;
- isChildKey: boolean;
}
export type ErrorCallback = (err: Error | null, data?: any) => void;
diff --git a/packages/subproviders/src/utils/wallet_utils.ts b/packages/subproviders/src/utils/wallet_utils.ts
index a37597dff..4db876748 100644
--- a/packages/subproviders/src/utils/wallet_utils.ts
+++ b/packages/subproviders/src/utils/wallet_utils.ts
@@ -20,20 +20,15 @@ class DerivedHDKeyInfoIterator implements IterableIterator<DerivedHDKeyInfo> {
public next(): IteratorResult<DerivedHDKeyInfo> {
const baseDerivationPath = this._initialDerivedKey.baseDerivationPath;
const derivationIndex = this._index;
- const isChildKey = this._initialDerivedKey.isChildKey;
- // If the DerivedHDKey is a child then we walk relative, if not we walk the full derivation path
const fullDerivationPath = `m/${baseDerivationPath}/${derivationIndex}`;
- const relativeDerivationPath = `m/${derivationIndex}`;
- const path = isChildKey ? relativeDerivationPath : fullDerivationPath;
+ const path = `m/${derivationIndex}`;
const hdKey = this._initialDerivedKey.hdKey.derive(path);
const address = walletUtils.addressOfHDKey(hdKey);
const derivedKey: DerivedHDKeyInfo = {
address,
hdKey,
baseDerivationPath,
- derivationIndex,
derivationPath: fullDerivationPath,
- isChildKey,
};
const done = this._index === this._searchLimit;
this._index++;
@@ -78,7 +73,7 @@ export const walletUtils = {
const ethereumAddressUnprefixed = ethUtil
.publicToAddress(derivedPublicKey, shouldSanitizePublicKey)
.toString('hex');
- const address = ethUtil.addHexPrefix(ethereumAddressUnprefixed);
+ const address = ethUtil.addHexPrefix(ethereumAddressUnprefixed).toLowerCase();
return address;
},
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 02:19:40 +0800