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Yul verification

Sourcify supports Yul verification via the /v2/verify API endpoint, you can find more information in the APIs documentation.

Yul Feature Support​

  • 🟢 Match: Sourcify uses the metadata hash as a compilation fingerprint (you can read more about it here), since Yul doesn't support metadata, every Yul match will result in a simple Match (no Exact Match).
  • 🟢 Generated metadata: Sourcify generates a metadata file for Yul contracts, but it was used only for compatibility with the legacy API, since everything was based on the Solidity metadata.json.
  • 🔴 ABI: Yul compilation doesn't generate ABI.
  • 🔴 Exact Match: Not possible due to lack of metadata support.