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feat: add idempotency on the place_bid entrypoint#1670

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Baskarayelu merged 2 commits into
QuickLendX:mainfrom
AugistineCreates:idempotency-fix
Jun 27, 2026
Merged

feat: add idempotency on the place_bid entrypoint#1670
Baskarayelu merged 2 commits into
QuickLendX:mainfrom
AugistineCreates:idempotency-fix

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@AugistineCreates

@AugistineCreates AugistineCreates commented Jun 26, 2026

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This pr closes #1505

This PR introduces idempotency for the place_bid entrypoint.

Description

  • Required salt (32-byte BytesN<32>) argument is added to place_bid.
  • The contract checks the unique combination of (invoice_id, investor, salt).
  • If a duplicate bid is submitted, the contract returns ContractError::DuplicateBid (error code 2204) instead of accepting it again.
  • Includes a unit test to verify the duplicate bid rejection behavior.

Threat Mitigated

Mitigates the threat of replay or double-submission of bids, preventing duplicate resource allocation and race conditions on the contract.

@drips-wave

drips-wave Bot commented Jun 26, 2026

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@AugistineCreates Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

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@Baskarayelu

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add idempotency on the place_bid entrypoint — solid — merging 👍

@Baskarayelu Baskarayelu merged commit ae37e80 into QuickLendX:main Jun 27, 2026
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Add idempotency on the place_bid entrypoint

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