Add SSZ types, content negotiation, and encoding helpers#466
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JasonVranek wants to merge 1 commit into
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Add SSZ types, content negotiation, and encoding helpers#466JasonVranek wants to merge 1 commit into
JasonVranek wants to merge 1 commit into
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Introduce EncodingType, AcceptedEncodings, and content negotiation primitives for SSZ support in the PBS pipeline. Includes: - EncodingType enum with FromStr/Display and MIME param tolerance - AcceptedEncodings with q-value aware Accept header parsing - SSZ bid value extraction from SignedBuilderBid by fork - deserialize_body and parse_response_encoding_and_fork helpers - Per-fork type aliases for BuilderBid and ExecutionPayloadHeader - SszValueError, PbsError::GeneralRequest, PbsClientError variants - Comprehensive unit tests for all new types and helpers - New deps: headers-accept, mediatype
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Summary
Introduces the types and helpers needed for SSZ support in the PBS pipeline. No behavior changes, just plumbing the follow-up PRs build on.
What's in this PR
EncodingTypeenum withFromStr/Display, including MIME parameter tolerance (RFC 7231 §3.1.1.1)AcceptedEncodingswith q-value-aware Accept header parsing (RFC 9110 §12.5.1)SignedBuilderBidfor all supported forks (Bellatrix through Fulu)deserialize_bodyandparse_response_encoding_and_forkhelpersBuilderBidandExecutionPayloadHeaderSszValueError,PbsError::GeneralRequest,PbsClientError::DecodeError/RelayErrorheaders-accept,mediatypeReview notes
Part 1 of 4: SSZ types → get_header → submit_block → validation bypassing
Attribution
This work builds on the SSZ builder flow originally implemented by @eserilev
in #252 and ported to the current codebase by @jclapis in #403.
Co-authored-by: Eitan Seri-Levi eserilev@ucsc.edu
Co-authored-by: Joe Clapis jclapis@outlook.com