From b669508c34e541416b157babe3fc57d74216ee50 Mon Sep 17 00:00:00 2001
From: Jacob Evans <jacob@dekz.net>
Date: Thu, 12 Apr 2018 16:49:42 +1000
Subject: Pluck key off of base path branch for Mnemonic

This reduces the tree walk complexity in wallet utils as it is assumed that we always walk relative. It also removes a HACK :)
---
 packages/subproviders/src/utils/wallet_utils.ts | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

(limited to 'packages/subproviders/src/utils/wallet_utils.ts')

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;
     },
 };
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