Fc: stream JSON responses directly, bypassing the variant tree - #513

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heifner wants to merge 82 commits into

feature/fc-json-stream

Commits on Apr 27, 2026

libfc: add fc::json_writer + fc::to_json_stream streaming JSON emission
heifner
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a698ea2
libfc: add to_json_stream overloads for time, sha256, variant, variant_object
heifner
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ea33522
libfc: add to_json_stream for fc::crypto::public_key and fc::crypto::signature
heifner
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1298ab2
http_plugin + trace_api: wire trace_api/get_block through streaming JSON path
heifner
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628cd72
benchmark: add trace_api_json measuring variant vs streaming block serialize
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015be26
fc::json_writer: faster hex and integer emission
heifner
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9d0a8e1
trace_api: use json_writer::value_hex for action data + return_value
heifner
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3982f11
bench: variant-only A/B + isolated hex / integer micro-benches
heifner
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7e3970d
fc::json_writer: add set / set_raw fused emitters
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5bf1f49
trace_api: use json_writer set / set_raw chains in process_block_to_json
heifner
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27edcb8
bench: add struct-pass scenarios for HTTP-thread streaming pivot
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08307bf
http_plugin: add streaming-cb registration path + handle_exception_stream
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38f1dc3
http_plugin: add CALL_ASYNC_WITH_400_STREAM + CALL_WITH_400_STREAM_POST macros
heifner
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6d5c390
chain_api_plugin: migrate /v1/chain/get_table_rows to streaming-cb path
heifner
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9787ce5
libfc: add fc::serialize_as_string trait
heifner
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5af6905
chain: migrate name/asset/symbol/symbol_code/block_timestamp to FC_SERIALIZE_AS_STRING
heifner
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9a9cedc
chain_api_plugin: migrate /v1/chain/get_account to streaming-cb path
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0f05d65
libfc: add FC_SERIALIZE_AS_STRING_TEMPLATE for class-template types
heifner
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f28d665
libfc: migrate sha1/sha224/sha256/sha512/sha3/ripemd160/keccak256/blake3 to FC_SERIALIZE_AS_STRING
heifner
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ec9166a
libfc: migrate bls public_key/signature/aggregate_signature/private_key to FC_SERIALIZE_AS_STRING
heifner
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7249313
libfc: remove unused fc::fixed_string
heifner
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4cd3b0d
libfc: migrate bitset + url to FC_SERIALIZE_AS_STRING
heifner
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067ef48

Commits on Apr 28, 2026

Commits on Apr 29, 2026

Commits on Apr 30, 2026

Commits on May 6, 2026

Commits on Jul 13, 2026

Commits on Jul 14, 2026

fix macOS build and a flaky streaming get_table_rows test
heifner
committed
493c9a4
add platform-specific integer to_json_stream overloads for macOS
heifner
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166c767
fix value_double_locale_independent for macOS libc++
heifner
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f051c02

Commits on Jul 23, 2026

Commits on Jul 27, 2026

http: charge deferred phase-2 captures against bytes_in_flight
heifner
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c683784
fc: dispatch variant alternatives through ADL
heifner
committed
aa6f2e2

Commits on Jul 29, 2026