Swaylend — Oracle Integration

Audit report published Jul 2025. Fuel · Sway.

Findings at a glance

Severity	Count
High	1
Medium	2
Low	1
Total	4

Summary

Safe Edges reviewed the oracle integration and price feed management in Swaylend's lending market contract. Four issues were identified: one High, two Medium and one Low. The High issue allowed anyone to update Pyth price feeds using the market's own balance instead of their own funds. All four issues were fixed by the development team and validated by Safe Edges, with fix commits recorded against each finding.

Read the full report (PDF).

Findings

High (1)

• H-01 Missing Funds Validation in update_price_feeds — Resolved

Medium (2)

• M-01 Missing Staleness Checks in Oracle Queries — Resolved
• M-02 Missing Price Feed Validation — Resolved

Low (1)

• L-01 Decimal Mismatch May Cause Function Revert or Miscalculation — Resolved

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