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authorJacob Evans <jacob@dekz.net>2018-04-10 13:50:08 +0800
committerJacob Evans <jacob@dekz.net>2018-04-10 13:51:09 +0800
commita34c9095c3a5d217d50318471660a5508922bcc2 (patch)
tree3833bd7263b94a4db8e98cdedbe14b2a22d93d5c /packages/subproviders/src/utils
parent84a4b7d1c16d008ffbf07ba5b22c61b025b5165f (diff)
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Rename to IS_CHILD_KEY
Diffstat (limited to 'packages/subproviders/src/utils')
-rw-r--r--packages/subproviders/src/utils/wallet_utils.ts22
1 files changed, 9 insertions, 13 deletions
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;
},