crazyrabbitLTC

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crazyrabbitLTC

Unified Liquidity Framework for Layer 2 Scaling Solutions via Uniswap V4 Pools

Dennison Bertram
dennison@tally.xyz

1. Introduction
The current Layer 2 (L2) solutions enhance scalability but result in fragmented liquidity. This proposal envisions a pooled liquidity model utilizing Uniswap V4's innovative hook system. By locking funds in a single Uniswap V4 pool contract, we can streamline the transfer of assets between L2 networks without reverting to Layer 1 (L1) for each transaction. The only requirement is the verification of funds to prevent double spending or bridging, ensuring assets remain secured in the pool contract.

2. The Bridging Mechanism
The proposed bridging mechanism is straightforward: users deposit assets into a designated Uniswap V4 pool, which serves as a gateway to L2 networks. The deposited funds are then locked, and users generate a cryptographic proof of their action. This proof, which certifies the uniqueness of the transaction and the non-duplication of assets, enables the reconsti

crazyrabbitLTC

// SPDX-License-Identifier: MIT
// by dennison@tally.xyz
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";

contract Roles is ERC1155, AccessControl {
    // errors
    error NoDuplicateRoles();

crazyrabbitLTC

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

interface ABI_0x5564886ca2C518d1964E5FCea4f423b41Db9F561 {
  function name(address) external;
  function owner(bytes32) external;
  function content(bytes32) external;
  function addr(bytes32) external;
  function reserve(bytes32) external;
  function subRegistrar(bytes32) external;

crazyrabbitLTC

// SPDX-License-Identifier: MIT
pragma solidity ^ 0.8 .4;
// Made with Love by Dennison Bertram @Tally.xyz
import "@openzeppelin/contracts@4.6.0/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts@4.6.0/access/Ownable.sol";
import "@openzeppelin/contracts@4.6.0/utils/cryptography/draft-EIP712.sol";
import "@openzeppelin/contracts@4.6.0/token/ERC721/extensions/draft-ERC721Votes.sol";
import "@openzeppelin/contracts@4.6.0/utils/Counters.sol";

contract MyToken is ERC721, Ownable, EIP712, ERC721Votes {

crazyrabbitLTC

function _beforeTokenTransfer(address from, address to, uint256 tokenId)
  internal override(ERC721, ERC721Votes)
  {
      require(from == address(0), "Err: token is SOUL BOUND");
      super._beforeTokenTransfer(from, to, tokenId);
   }
}

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function _beforeTokenTransfer(address from, address to, uint256 tokenId)
  internal override(ERC721, ERC721Votes)
  {
      require(true == false, "Err: token is SOUL BOUND");
      super._beforeTokenTransfer(from, to, tokenId);
  }
}

crazyrabbitLTC

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

// Made with Love by Dennison Bertram @Tally.xyz

import "@openzeppelin/contracts@4.6.0/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts@4.6.0/access/Ownable.sol";
import "@openzeppelin/contracts@4.6.0/utils/cryptography/draft-EIP712.sol";
import "@openzeppelin/contracts@4.6.0/token/ERC721/extensions/draft-ERC721Votes.sol";
import "@openzeppelin/contracts@4.6.0/utils/Counters.sol";

crazyrabbitLTC

0x15dc82b5806c0b6190a6c8b8bf9fdc59b7bbfcab40950efc3e83b11ac2340772

crazyrabbitLTC

I contributed to the Semaphore Trusted Setup Multi-Party Ceremony.
The following are my contribution signatures:
Circuit: semaphore16 
          Contributor # 125
          Hash: 6d26febd 173f9e51 b1ac3fb1 0d8b710f
 d70cbe9c 4a1a0122 2c541bf1 041b717d
 59064417 737f9736 26acd89f ff20ef6e
 d5808ec7 ee6f2fc6 b8c41822 f00597bb