?? cairo-dutch
A Dutch Auction written in Cairo for StarkNet. Ported after studying a reference implementation from solidity-by-example.
Allows configurable duration, discount rate, & ERC20 token type accepted as payment.
⚠️ WARNING: This is not intended for production use. The code has barely been tested, let alone audited.
Auction:
- Seller of NFT deploys this contract setting a starting price & ERC20 token type accepted.
- Auction lasts for a configurable number of blocks (
durationBlocks). - Price decreases over time (
discountRate). - Participants can buy if sending ERC20 value greater than or equal to the current price computed by the contract.
- Auction ends when a buyer buys the NFT or the deadline is reached.
Development
python3.7 -m venv venv
source venv/bin/activate
python -m pip install cairo-nile
nile install
Needs more tests, but basic coverage can be run using the following:
(venv) ~/dev/eth/starknet/cairo-dutch$ make test
pytest tests/
================================ test session starts =======================================
platform linux -- Python 3.7.12, pytest-7.0.1, pluggy-1.0.0
rootdir: /home/sam/dev/eth/starknet/cairo-dutch
plugins: asyncio-0.18.2, typeguard-2.13.3, web3-5.28.0
asyncio: mode=legacy
collected 7 items
tests/test_dutch.py ....... [100%]
========================= 7 passed, 3 warnings in 123.53s (0:02:03) =========================
