fix(opCheckMultiSig): fix potential undefined public key

bitauth · Aug 23, 2019 · dda926a · dda926a
1 parent 64464b8
commit dda926a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/lib/auth/instruction-sets/common/crypto.ts b/src/lib/auth/instruction-sets/common/crypto.ts
@@ -259,6 +259,7 @@ export const opCheckMultiSig = <
                   let remainingPublicKeys = publicKeys.length; // tslint:disable-line:no-let
                   while (
                     remainingSignatures > 0 &&
+                    remainingPublicKeys > 0 &&
                     approvingPublicKeys + remainingPublicKeys >=
                       remainingSignatures &&
                     approvingPublicKeys !== requiredApprovingPublicKeys