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the "Tuner", a Uniswap V3 Simulator

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.

Quick Start

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.