rpcserver: add header extraction and transformation helpers#67
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rpcserver: add header extraction and transformation helpers#67
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Add utilities for extracting and transforming HTTP headers in the JSON-RPC request chain: - headers.go: ExtractHeaders, TransformToFlashbots, header constants - Header(ctx, name): nil-safe helper to get header from request context Used by protect-rpc (edge transformation), protect-of-api (passthrough), and mev-share-node (storage) for User-Agent and Origin header logging. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Add ExtractHeaders() to extract specified headers from HTTP requests. Keep headers as-is (no transformation to X-Flashbots-* format). Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Add utilities for extracting HTTP headers in the JSON-RPC request chain. Headers are passed through as-is (no transformation).
New:
headers.goExtractHeaders(req, names)- extract specified headers from requestHeaderUserAgent,HeaderOrigin,HeaderFlashbotsOrigin,HeaderFlashbotsSignatureEdgeHeaders(User-Agent, Origin)Modified:
jsonrpc_server.goHeader(ctx, name)- nil-safe helper to get header value from request in contextUsage
Test plan
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