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Add fee multiplier to protocol #1161

Merged
merged 6 commits into from
Mar 21, 2024
Merged

Add fee multiplier to protocol #1161

merged 6 commits into from
Mar 21, 2024

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vgeddes
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@vgeddes vgeddes commented Mar 20, 2024

Since our system is currently governed by static exchange rates, we need to add a safety buffer to the calculated fees.

This ensures that if exchange rates or gas prices fluctuate, users pay enough fees to cover costs.

Companion PR: Snowfork/polkadot-sdk#127

@vgeddes vgeddes self-assigned this Mar 20, 2024
@vgeddes vgeddes marked this pull request as draft March 20, 2024 11:02
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codecov bot commented Mar 20, 2024

Codecov Report

Attention: Patch coverage is 53.84615% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 77.83%. Comparing base (16229c1) to head (111ee1e).
Report is 6 commits behind head on main.

Files Patch % Lines
contracts/src/upgrades/rococo/GatewayV2.sol 0.00% 6 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #1161      +/-   ##
==========================================
- Coverage   78.92%   77.83%   -1.10%     
==========================================
  Files          13       14       +1     
  Lines         408      415       +7     
  Branches       74       76       +2     
==========================================
+ Hits          322      323       +1     
- Misses         69       75       +6     
  Partials       17       17              
Flag Coverage Δ
solidity 77.83% <53.84%> (-1.10%) ⬇️

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@vgeddes vgeddes marked this pull request as ready for review March 20, 2024 14:27
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@yrong yrong left a comment

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+1

web/packages/test/scripts/set-env.sh Outdated Show resolved Hide resolved
contracts/src/Gateway.sol Show resolved Hide resolved
contracts/test/Gateway.t.sol Outdated Show resolved Hide resolved
contracts/src/Gateway.sol Outdated Show resolved Hide resolved
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@alistair-singh alistair-singh left a comment

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+1

@vgeddes vgeddes merged commit cc6f123 into main Mar 21, 2024
3 checks passed
@vgeddes vgeddes deleted the fee-multiplier branch March 21, 2024 10:07
claravanstaden pushed a commit that referenced this pull request Apr 5, 2024
* Add fee multiplier

* The base fee and exchange rate should be multiplied separately

* Add FEE_MULTIPLIER to E2E config

* Update web/packages/test/scripts/set-env.sh

Co-authored-by: Alistair Singh <[email protected]>

* Make multiplier non-linear

* Add gateway upgrade for Rococo

---------

Co-authored-by: Alistair Singh <[email protected]>
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4 participants