RIFF: Listen to a bonding curve

[hrishabhayush]

Musical Charts creates an Automated Market Maker (AMM) where users must listen to dynamically generated violin music—derived from real-time market data—before making trade decisions. Each transaction triggers a fresh melody, creating an engaging and intuitive trading experience.

This project has 3 files under the src directory - which holds the core logic to creating an AMM with SRC20 tokens. The description of those three files are:

• Riff.sol - creates an Automated Market Maker and contains the shielded swaps logic
• SRC20.sol - holds the logic to creation of shielded tokens and it can be thought of as abstraction of its counterpart ERC20.sol smart contract
• ViolinCoin.sol - creation of specific tokens for our musical charts project that allows mint, transfer, etc.

We have all the test under test directory that contains Riff.t.sol that tests swap mechanics, price revelation thresholds, user's listening permissions, and liquidity pool invariants.

[ssolit]

Great work!

[ssolit]

We will likely ask you to update this file if/when we have a version update

[hrishabhayush]

Updated the logic for the smart contract and test cases, however the test_PriceUp is failing because of this line assertLt(swapperQuoteT0, quoteAsset.balanceOf());

[hrishabhayush]

The failing test case is now resolved and this is ready for review!

[lyronctk]

LGTM

[ameya-deshmukh]

LGTM!

[ameya-deshmukh]

LGTM!

[ameya-deshmukh]

LGTM!