Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {Base64} from "contracts/libraries/Base64.sol";
import {IVeArtProxy} from "contracts/interfaces/IVeArtProxy.sol";

contract VeArtProxy is IVeArtProxy {

    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT license
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    function _tokenURI(
        uint256 _tokenId,
        uint256 _balanceOf,
        uint256 _locked_end,
        uint256 _value
    ) external pure returns (string memory output) {
        output = '<svg xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMin meet" viewBox="0 0 350 350"><style>.base { fill: white; font-family: serif; font-size: 14px; }</style><rect width="100%" height="100%" fill="black" /><text x="10" y="20" class="base">';
        output = string(
            abi.encodePacked(
                output,
                "token ",
                toString(_tokenId),
                '</text><text x="10" y="40" class="base">'
            )
        );
        output = string(
            abi.encodePacked(
                output,
                "balanceOf ",
                toString(_balanceOf),
                '</text><text x="10" y="60" class="base">'
            )
        );
        output = string(
            abi.encodePacked(
                output,
                "locked_end ",
                toString(_locked_end),
                '</text><text x="10" y="80" class="base">'
            )
        );
        output = string(
            abi.encodePacked(
                output,
                "value ",
                toString(_value),
                "</text></svg>"
            )
        );

        string memory json = Base64.encode(
            bytes(
                string(
                    abi.encodePacked(
                        '{"name": "lock #',
                        toString(_tokenId),
                        '", "description": "ve locks, can be used to boost gauge yields, direct token emissions, and earn rewards", "image": "data:image/svg+xml;base64,',
                        Base64.encode(bytes(output)),
                        '"}'
                    )
                )
            )
        );
        output = string(
            abi.encodePacked("data:application/json;base64,", json)
        );
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IVeArtProxy {
    function _tokenURI(
        uint256 _tokenId,
        uint256 _balanceOf,
        uint256 _locked_end,
        uint256 _value
    ) external pure returns (string memory output);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

/// [MIT License]
/// @title Base64
/// @notice Provides a function for encoding some bytes in base64
/// @author Brecht Devos <[email protected]>
library Base64 {
    bytes internal constant TABLE =
        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    /// @notice Encodes some bytes to the base64 representation
    function encode(bytes memory data) internal pure returns (string memory) {
        uint256 len = data.length;
        if (len == 0) return "";

        // multiply by 4/3 rounded up
        uint256 encodedLen = 4 * ((len + 2) / 3);

        // Add some extra buffer at the end
        bytes memory result = new bytes(encodedLen + 32);

        bytes memory table = TABLE;

        assembly {
            let tablePtr := add(table, 1)
            let resultPtr := add(result, 32)

            for {
                let i := 0
            } lt(i, len) {

            } {
                i := add(i, 3)
                let input := and(mload(add(data, i)), 0xffffff)

                let out := mload(add(tablePtr, and(shr(18, input), 0x3F)))
                out := shl(8, out)
                out := add(
                    out,
                    and(mload(add(tablePtr, and(shr(12, input), 0x3F))), 0xFF)
                )
                out := shl(8, out)
                out := add(
                    out,
                    and(mload(add(tablePtr, and(shr(6, input), 0x3F))), 0xFF)
                )
                out := shl(8, out)
                out := add(
                    out,
                    and(mload(add(tablePtr, and(input, 0x3F))), 0xFF)
                )
                out := shl(224, out)

                mstore(resultPtr, out)

                resultPtr := add(resultPtr, 4)
            }

            switch mod(len, 3)
            case 1 {
                mstore(sub(resultPtr, 2), shl(240, 0x3d3d))
            }
            case 2 {
                mstore(sub(resultPtr, 1), shl(248, 0x3d))
            }

            mstore(result, encodedLen)
        }

        return string(result);
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "evmVersion": "paris",
  "viaIR": true,
  "metadata": {
    "bytecodeHash": "none"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_balanceOf","type":"uint256"},{"internalType":"uint256","name":"_locked_end","type":"uint256"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"_tokenURI","outputs":[{"internalType":"string","name":"output","type":"string"}],"stateMutability":"pure","type":"function"}]

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