Smart Contracts
From spec to verified mainnet contract. Solidity, Rust, and Move with Foundry/Hardhat tooling. Built for audit, gas-optimised, upgradeable when it makes sense, immutable when it must.
- ERC-20 / 721 / 1155 tokens
- Custom protocol contracts
- Upgradeable proxy patterns
- Multi-signature treasuries
- Gas optimization & benchmarks
- 100% branch test coverage
- Foundry + Hardhat setups
- Verifier-ready source
Vault.sol
Tests passing · Gas 124,308
01// SPDX-License-Identifier: MIT
02pragma solidity ^0.8.24;
03
04contract Vault {
05 mapping(address => uint256) public balances;
06
07 function deposit() external payable {
08 balances[msg.sender] += msg.value;
09 }
10}