diff options
Diffstat (limited to 'packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts')
-rw-r--r-- | packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts index a6e5d8765..f393e4ed1 100644 --- a/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts +++ b/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts @@ -379,6 +379,7 @@ export class ERC20TokenWrapper extends ContractWrapper { * @param subscriptionToken Subscription token returned by `subscribe()` */ public unsubscribe(subscriptionToken: string): void { + assert.isValidSubscriptionToken('subscriptionToken', subscriptionToken); this._unsubscribe(subscriptionToken); } /** |