Redacted Contracts

FHERC20 standard + Redacted Contracts (FHED / EncryptableWrappedFHERC20)

Installation

This is a foundry project using gitmodules, install with:

git clone --recurse-submodules [email protected]:LuxFHEProtocol/encrypto-contracts.git

Contracts (/src)

Standards:

• FHERC20.sol (FHERC20.sol + FHE operations)
• FHERC20Upgradeable.sol (FHERC20wFHE.sol + Upgradeability)
• interfaces/IFHERC20.sol
• interfaces/IFHERC20Errors.sol

Redacted:

• RedactedCore.sol (Routing tokens to their encrypted counterpart)
• ConfidentialERC20.sol (FHERC20 wrapper around ERC20 with encrypt and decrypt functionality)
• ConfidentialETH.sol (ConfidentialERC20.sol + native ETH -> eETH encrypting)
• FUSD.sol (FHERC20Upgradeable.sol + mint and burn integration with Paxos)

---

Foundry

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

Foundry consists of:

• Forge: Ethereum testing framework (like Truffle, Hardhat and DappTools).
• Cast: Swiss army knife for interacting with EVM smart contracts, sending transactions and getting chain data.
• Anvil: Local Ethereum node, akin to Ganache, Hardhat Network.
• Chisel: Fast, utilitarian, and verbose solidity REPL.

Documentation

https://book.getfoundry.sh/

Usage

Build

$ forge build

Test

$ forge test

Format

$ forge fmt

Gas Snapshots

$ forge snapshot

Anvil

$ anvil

Deploy

$ forge script script/Counter.s.sol:CounterScript --rpc-url <your_rpc_url> --private-key <your_private_key>

Cast

$ cast <subcommand>

Help

$ forge --help
$ anvil --help
$ cast --help