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-rw-r--r--src/contract_wrappers/token_wrapper.ts4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/contract_wrappers/token_wrapper.ts b/src/contract_wrappers/token_wrapper.ts
index d3ef5d6cf..1ad1cd9d6 100644
--- a/src/contract_wrappers/token_wrapper.ts
+++ b/src/contract_wrappers/token_wrapper.ts
@@ -205,6 +205,10 @@ export class TokenWrapper extends ContractWrapper {
*/
public async subscribeAsync(tokenAddress: string, eventName: TokenEvents, subscriptionOpts: SubscriptionOpts,
indexFilterValues: IndexedFilterValues): Promise<ContractEventEmitter> {
+ assert.isETHAddressHex('tokenAddress', tokenAddress);
+ assert.doesBelongToStringEnum('eventName', eventName, TokenEvents);
+ assert.doesConformToSchema('subscriptionOpts', subscriptionOpts, subscriptionOptsSchema);
+ assert.doesConformToSchema('indexFilterValues', indexFilterValues, indexFilterValuesSchema);
const tokenContract = await this._getTokenContractAsync(tokenAddress);
let createLogEvent: CreateContractEvent;
switch (eventName) {