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•  contract EventWriter *
•    - function write(bytes32[2] calldata da ...

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/**
 *Submitted for verification at Etherscan.io on 2021-04-18
*/

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.3;

/// @title Write data to Ethereum event log
/// @author Eknir
/// @notice You can use this contract to write 512 bits (64 bytes) of data to Ethereum, which is persisted in the Ethereum eventLog
/// The Ethereum address of the caller, as well as the timestamp is persisted in the Ethereum transaction log
contract EventWriter {

  event Written(bytes32[2] storedData);

  /// @notice write writes 512 bits of data to Ethereum, where it is persisted in the storage of this contract
  /// @dev data is array of bytes 32 with a lenght of 2, totalling 512 bits (64 bytes), which can represent anything (e.g. a sha3-512 hash).
  /// The result can be read by observing the event log, taking note of the caller and the timestamp.
  /// @param data to write to Ethereum event log
  function write(bytes32[2] calldata data) public {
    emit Written(data);
  }
}

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[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes32[2]","name":"storedData","type":"bytes32[2]"}],"name":"Written","type":"event"},{"inputs":[{"internalType":"bytes32[2]","name":"data","type":"bytes32[2]"}],"name":"write","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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ipfs://54753e0afaa31da2ae8fbd824cd622f642c303a97f43ccce7f1d30103ca8af49