magicblock-labs / magicblock-labs/Solana.Unity-Core

[Bug] PriceMath.TickIndexToPrice and PriceMath.SqrtPriceX64ToPrice Wrong price calculations

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bug
Dominant language
C#
Stars
53
Forks
23
PR merge metrics
No merged PRs in 30d

Description

**Describe the bug**
Wrong price calculations

**To Reproduce**
```
Console.WriteLine(PriceMath.TickIndexToPrice(1, 9, 9));
Console.WriteLine(PriceMath.TickIndexToPrice(100, 9, 9));
```

```
10.00150003749937502188359611493754442728685383249508961171928583303106051744175749673006360257982567683817469619873
10.15112303331957826695058866288058596662162812280744838892230990557699568227283140711413108281156799322006970554316890624
```

**Expected behavior**
```
1.0001
1.0100496620928754
```

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Locate the implementations of PriceMath.TickIndexToPrice and PriceMath.SqrtPriceX64ToPrice, then run the reproduction calls from the issue. Compare their outputs with the expected values for tick indices 1 and 100, and verify both methods produce the corrected prices before considering the issue done.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
blockchain
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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