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-rw-r--r--packages/utils/src/address_utils.ts11
1 files changed, 8 insertions, 3 deletions
diff --git a/packages/utils/src/address_utils.ts b/packages/utils/src/address_utils.ts
index f94985441..e25bde249 100644
--- a/packages/utils/src/address_utils.ts
+++ b/packages/utils/src/address_utils.ts
@@ -9,11 +9,16 @@ export const addressUtils = {
const unprefixedAddress = address.replace('0x', '');
const addressHash = jsSHA3.keccak256(unprefixedAddress.toLowerCase());
- for (let i = 0; i < 40; i++) {
+ const addressLength = 40;
+ for (let i = 0; i < addressLength; i++) {
// The nth letter should be uppercase if the nth digit of casemap is 1
+ const hexBase = 16;
+ const lowercaseRange = 7;
if (
- (parseInt(addressHash[i], 16) > 7 && unprefixedAddress[i].toUpperCase() !== unprefixedAddress[i]) ||
- (parseInt(addressHash[i], 16) <= 7 && unprefixedAddress[i].toLowerCase() !== unprefixedAddress[i])
+ (parseInt(addressHash[i], hexBase) > lowercaseRange &&
+ unprefixedAddress[i].toUpperCase() !== unprefixedAddress[i]) ||
+ (parseInt(addressHash[i], hexBase) <= lowercaseRange &&
+ unprefixedAddress[i].toLowerCase() !== unprefixedAddress[i])
) {
return false;
}