Contract Call Monitor

Execute calls to a contract function (not a transaction), extract results, and check conditions.

Functionality

• Calls a contract function on a schedule or per block.

• Extracts results and runs optional scripts/conditions.

• Emits alerts based on script output or errors.

Configuration

NOTE: Screenshot should be max size 800px and clickable to expand to full size

• Function: Function to execute. It must be a full signature in the foundry cast format (e.g. balanceOf(address)(uint256)).

• Parameters: Parameters to pass to the function. Parameters can be separated with spaces or new lines. Tuples must be enclosed in (), arrays in [], and strings in "". Refer to the cast documentation for syntax.

• Script: Script flow to execute on call result.

• When: When to execute script: block (every block) or cron (at cron intervals).

• Cron: Cron interval to execute.

• Description: Description pattern. Metadata fields from Alert can be used as substitutions and must be enclosed in {} (e.g. {func}: {result}).

• Track Error: Generate alerts on errors (in Contract Call or evaluation script).

• Always Error: Alert on every error. If unchecked, only new unique errors will be alerted and duplicates omitted.

• Severity: Alert severity level.

Supported networks: Ethereum, Ethereum Sepolia.