docs: align TRACE JSON-RPC responses with the Besu wire contract - #2122
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alexandratran merged 3 commits intoSep 1, 2026
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Document actual trace action/result shapes, vmTrace as a code+ops object, strict as a boolean, and hex output for replay. Signed-off-by: Alexandra Carrillo <alexandra.carrillo@consensys.net>
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Keep suicide only as the wire type value and in JSON examples. Signed-off-by: Alexandra Carrillo <alexandra.carrillo@consensys.net>
Signed-off-by: Alexandra Carrillo <alexandra.carrillo@consensys.net>
macfarla
approved these changes
Aug 31, 2026
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Description
Updates the TRACE JSON-RPC reference so the documented contract matches what Besu emits.
vmTraceis an object withcodeand an orderedopslist, not a list itself.trace_callstrictis a boolean, matching the Jackson-parsed call-object field.type: "create";action.callTypeis only for CALL-family traces (call,callcode,delegatecall,staticcall).resultand includeerror.trace_blockreturns a general trace stream, including self-destruct traces and block and unclerewardentries.trace_replayBlockTransactionsoutputis hex return data, not a boolean.typealso includessuicide(euphemized as self-destruct).Preview: https://besu-docs-git-fork-alexandratran-docs-trace-1c113d-hyperledger.vercel.app/public-networks/reference/api/trace
Related issue(s)
Fixes #2119