// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.12;
 
import "./ITrap.sol";
contract BlockNumberTrap is ITrap {
    // Define data collection points
    struct CollectOutput {
        uint256 blockNumber;
    }
 
    // Collect data every block
    function collect() external view returns (bytes memory) {
        return
            abi.encode(
                CollectOutput({blockNumber: block.number})
            );
    }
 
    // Time-series analysis on collected data over block-sample-size
    function shouldRespond(
        bytes[] calldata data
    ) external pure returns (bool, bytes memory) {
        CollectOutput memory collectOutput = abi.decode(
            data[0],
            (CollectOutput)
        );
 
        if (collectOutput.blockNumber == 845699) {
            // True: Perform response-function defined in drosera.toml
            return (true, abi.encode(collectOutput.blockNumber));
        }
 
        // False: Do not perform response-function
        return (false, abi.encode(collectOutput.blockNumber));
    }
}