feat(perms): Pylon client for preloading blobs as a builder#113
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Adds PylonClient for interacting with the Pylon blob server API. The client implements the post_sidecar endpoint to store EIP-7594 blob transaction sidecars, automatically converting EIP-4844 sidecars to EIP-7594 format using KZG when needed. The client is gated behind a new pylon feature which enables perms and alloy/kzg.
prestwich
approved these changes
Feb 5, 2026
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Adds PylonClient for interacting with the Pylon blob server API. The client implements the post_sidecar endpoint to store EIP-7594 blob transaction sidecars, automatically converting EIP-4844 sidecars to EIP-7594 format using KZG when needed. The client is gated behind a new pylon feature which enables perms and alloy/kzg.
Closes ENG-1777