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Purpose

Demo dApp for sponsored transactions on Concordium devnet. Users transfer PLT tokens without paying gas fees - a sponsor wallet covers the cost.

Changes

  • NestJS backend with sponsor wallet management
  • React frontend with Browser Wallet integration
  • Docker setup with runtime environment variable injection
  • Uses @concordium/web-sdk 12.0.0-devnet-p10.0

Checklist

  • My code follows the style of this project.
  • The code compiles without warnings.
  • I have performed a self-review of the changes.
  • I have documented my code, in particular the intent of the
    hard-to-understand areas.
  • (If necessary) I have updated the CHANGELOG.

CLA acceptance

By submitting the contribution I accept the terms and conditions of the
Contributor License Agreement v1.0

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@soerenbf soerenbf left a comment

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Looks good, great job 😄

A few minor things only:

@dragosgd dragosgd self-assigned this Jan 9, 2026
@dragosgd dragosgd merged commit 575031c into main Jan 9, 2026
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@dragosgd dragosgd deleted the sponsoredTxExampleDApp branch January 9, 2026 14:45
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3 participants