Contango is bringing expirables to DeFi. Buy or sell assets at a set price and date in the future without order books or liquidity pools. When a trader opens a position, the protocol borrows on the fixed-rate market, swaps on the spot market, then lends back on the fixed-rate market. Contango offers physical delivery and a minimal price impact for larger trades. Join us at contango.xyz.
The smart contracts use an UUPS proxy as entry point, and rely on external libraries to split code/responsibilities whilst keeping the execution context under a single address. At the moment there's a single implementation of underlying Spot (Uniswap V3), and a single implementation of fixed rate market (Yield Protocol)
This code is provided as-is, with no guarantees of any kind.
Before running any command, make sure to install dependencies:
$ npm i
$ forge install
$ npm run lint
Generate the code coverage report:
$ npm run coverage
Be sure to have an .env file located at root (or to have the following ENV variables)
MAINNET_URL=<your rpc url>
ARBITRUM_URL=<your rpc url>
Compile and test the smart contracts with Foundry:
$ npm run test
Contango is not offering bounties for bugs disclosed whilst our audits are in place, but if you wish to report a bug, please do so at security@contango.xyz. Please include full details of the vulnerability and steps/code to reproduce. We ask that you permit us time to review and remediate any findings before public disclosure.
Unless the opposite is explicitly stated on the file header, all files in this repository are released under the BSL 1.1 license.