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@bella-defintech/uniswap-v3-simulator

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the 'Tuner', a Uniswap V3 Simulator

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[![Twitter URL](https://img.shields.io/twitter/url.svg?label=Follow%20%40BellaProtocol&style=social&url=https%3A%2F%2Ftwitter.com%2FBellaProtocol)](https://twitter.com/BellaProtocol) [![Chat](https://img.shields.io/badge/chat-on%20discord-7289da.svg)](https://discord.gg/8ctd5geS8t) # the "_Tuner_", a programmable, transaction-based Uniswap V3 Simulator with 100% Precision > Before an ochestra, every musical instrument has to be _in-tune_, to ensure an outstanding performance. > > Before running a strategy, every parameter has to be _fine tuned_, to maximaze the performance. #### _Tuner_ is a programmatic Uniswap V3 simulator that allows strategy backtesting on a transaction-to-transaction basis with arbitrary or historical data without the EVM, it runs independently yet completely retains the exact smart-contract behavior of the intricate design and implementation of Uniswap V3. ## Documentation - [Getting Started](https://docs.bella.fi/getting-started) - [Configuration](https://docs.bella.fi/configuration) - [Guides](https://docs.bella.fi/guides) - Developer Articles(stay tuned) #### _Tuner_ is fundamentally a state machine, it can: > **Completely replicate the tick-level calculation** - this means your strategy will run through the Uniswap V3 implementation logic instead of just the high-level mathematic model. > **Maintain the identical tick-level percision of prices, fees, and positions of Uniswap V3** - this means the result of your backtesting is true to the real performance with the minimum margin of deviations. > **Run fast** - the EVM is slow, the historical dataset is huge, the Ganache cannot do the job, so use _Tuner_. > **Fast-forward and rewind transactions** - this means you can easily repeat a small portion of your test with a different set of parameters without the need to start over. > **Take or recover from a snapshot(state)** - this means you can run continuous regression test as your strategies constantly evolves. > **Branch out and runs in parallel** - this means you can run multiple back-tests each with a different set of parameters at the same time and compare the performance. > **Persist historical data and strategy execution records in a SQLite database** - this means the strategists can do advanced statistical analysis both in real-time and after the testing.