input

convert

output

Phrase to Hex Contract

A simple solidity contract to generate a hexadecimal string from a given input.

There is one read function and no public write functions.

PhraseToHex.sol

An example contract is deployed to the Optimism mainnet; 0x60ad7cd2db34e369af2ecb4edc6a2f94d4557ed1

To test the contract, navigate here: https://optimistic.etherscan.io/address/0x60ad7cd2db34e369af2ecb4edc6a2f94d4557ed1#readContract

https://github.com/decentragora/Lyceum/blob/main/open-papyrus/phrase-to-hex-info.md

Phrase to Hex

A simple solidity contract to generate a hexadecimal string from a given input.

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

contract PhraseToHex {
    function convert(string memory input) public pure returns (bytes memory output) {
        bytes memory inputBytes = bytes(input);
        output = new bytes(2 + (inputBytes.length * 2));
        output[0] = 0x78; // 0x78 = x
        output[1] = 0x30; // 0x30 = 0
        for (uint i = 0; i < inputBytes.length; i++) {
            uint8 b = uint8(inputBytes[i]);
            output[(i * 2) + 2] = hexDigit(b / 16);
            output[(i * 2) + 3] = hexDigit(b % 16);
        }
    }

    function hexDigit(uint8 input) private pure returns (bytes1) {
        if (input < 10) {
            return bytes1(input + 48);
        } else {
            return bytes1(input + 87);
        }
    }
}


Phrase to Hex

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Phrase to Hex

*Visit desktop site to download or deploy

Version

Creator

Recent Use

Last Publish

Get Cookin'Share

ABI

Bytecode

Verification

Recent Use

Last Publish

Solidity Compiler

Version

Creator

Get Cookin'
Share