This is the first challenge given by Owen Thurm, in his Advance Web3 security course, build a Perpertual.
Perpertuals are essentially just a way for a Trader to bet on the price of a certain index token without actually buying the token, while enabling the Trader to employ leverage.
- Liquidity Providers can deposit and withdraw liquidity
- A way to get realtime price of the asset being traded
- Traders can open a Perpetual position for BTC, with a given size and Collateral
- Traders can increase size of a Perpetual position
- Traders can not utilize more than a configured percentage of the deposited Liquidity
- Liquity Providers cannot withdraw liquidity that is reserved for positions
- Liquidity Provider Deposit an asset into the protocol, this asset acts as liquidity.
deposits(address(USDT)), amount) - Trader opens a position with a collateral
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.
$ forge build$ forge test$ forge fmt$ forge snapshot$ anvil$ forge script script/Counter.s.sol:CounterScript --rpc-url <your_rpc_url> --private-key <your_private_key>$ cast <subcommand>$ forge --help
$ anvil --help
$ cast --help