Blacklisted Callers

Introduction

The Blacklisted Caller alert triggers whenever an address from this list calls one of your contracts. This type of alert is one of the favourite security-oriented alerts because it sends you a notification whenever someone who isnโ€™t whitelisted calls your contract.

Example 1

For this example, you need to use a simple Gnosis Multisig Wallet.
Here are a few guidelines to set up an alert that will notify you whenever someone other than the owners of the Multisig Wallet calls the Smart Contract. Once you receive an email, you can react accordingly.
  • First, add the contract to a Project either via the Tenderly push command or using the Verified Contract feature.
  • Go to the Alerting tab, select the Whitelisted Callers rule, and then select the MultiSigWalletWithDailyLimit Smart Contract.
  • Add the following addresses to the whitelist (the owners of the Multisig wallet): 0xc9E094Deb826b00D10af0aB3D2A62d712e89F67A and 0xC4dFd227848Fbe6640ab14c9C339845BEd350665.
Tenderly has a smart email delivery algorithm. You'll get notified instantly when something of interest happens. Afterward, you'll receive aggregated notifications when suitable, so the spam will be on a bare minimum if any. This way, youโ€™ll receive the latest alerts from Tenderly without missing any other important emails.

Example 2

Here's another example that will help you create an alert that will trigger every time a blacklisted address calls contracts from your Project.
  • โ€‹Add a new Smart Contract to Projects through one of the available options.
  • Click the Alerting tab in the left side bar โ€”> New Alert โ€”> Blacklisted Callers โ€”> Project โ€”> Paste the address you want to blacklist & click the Add button โ€”> Next โ€”> Choose an Alert Destination โ€”> Save.
  • Start receiving notifications whenever blacklisted addresses call the Smart Contract from your project.
  • You have the option to edit the Alert after setting it up. Feel free to rename it or add a description, alert level, and multiple destinations.
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