Add assertions

1 files changed, 3 insertions, 0 deletions

diff --git a/src/contract_wrappers/token_wrapper.ts b/src/contract_wrappers/token_wrapper.ts
index 91af223e4..161f6fca9 100644
--- a/src/contract_wrappers/token_wrapper.ts
+++ b/src/contract_wrappers/token_wrapper.ts
@@ -291,6 +291,9 @@ export class TokenWrapper extends ContractWrapper {
      */
     public async getLogsAsync(tokenAddress: string, eventName: TokenEvents, subscriptionOpts: SubscriptionOpts,
                               indexFilterValues: IndexedFilterValues): Promise<LogWithDecodedArgs[]> {
+        assert.doesBelongToStringEnum('eventName', eventName, TokenEvents);
+        assert.doesConformToSchema('subscriptionOpts', subscriptionOpts, schemas.subscriptionOptsSchema);
+        assert.doesConformToSchema('indexFilterValues', indexFilterValues, schemas.indexFilterValuesSchema);
         const logs = await this._getLogsAsync(
             tokenAddress, eventName, subscriptionOpts, indexFilterValues, artifacts.TokenArtifact.abi,
         );