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b9c5fe6d26
The mux tracer fanned out every standard hook to its children but never
forwarded OnSystemCall{Start,End}. Tracers that rely on these - like
`logger.jsonLogger`, which uses the start hook to silence its opcode
hook for the duration of a system call - never got the signal when
wrapped behind a mux.
In evm t8n, combining `--trace` with `--opcode-count` (default for geth
with exec specs) produces exactly that wrapping. The first system call
(e.g. `ProcessBeaconBlockRoot`) then fires `OnOpcode` on the json logger
before any `OnTxStart` has run, dereferencing a nil env and crashing
t8n.
Forward both hooks through the mux. The V2 fan-out falls back to V1 for
children that only implement the legacy hook, mirroring the precedence
already used in `core/state_processor.go`.
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|---|---|---|
| .. | ||
| internal | ||
| js | ||
| live | ||
| logger | ||
| native | ||
| api.go | ||
| api_test.go | ||
| dir.go | ||
| live.go | ||
| tracers_test.go | ||
| tracker.go | ||
| tracker_test.go | ||