deposit.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

contract DepositGen {
    event DepositEvent(
        bytes pubkey,
        bytes withdrawal_credentials,
        bytes amount,
        bytes signature,
        bytes index
    );

    uint8 curr = 0;

    receive() external payable {
        bytes memory pubkey = new bytes(48);
        pubkey[0] = bytes1(curr);

        bytes memory withdrawal_credentials = new bytes(32);
        withdrawal_credentials[0] = bytes1(curr);

        bytes memory amount = new bytes(8);
        amount[0] = bytes1(curr);

        bytes memory signature = new bytes(96);
        signature[0] = bytes1(curr);

        bytes memory index = new bytes(8);
        index[0] = bytes1(curr);
        
        curr++;

        emit DepositEvent(pubkey, withdrawal_credentials, amount, signature, index);
    }
}