feat(cast): add trace_transaction and trace_rawTransaction #12788
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trace record: record a trace file
$ trace record myworkload
[... Ctrl-C to stop ...]
$ trace record myworkload --Logging:enable-logs --end-after-duration 5s
$ trace record myworkload --plan profile --omit Symbolication
$ trace record myworkload --end-on-notification stop-myworkload-trace
[... elsewhere `notifyutil -p stop-myworkload-trace` ...]
$ trace record /tmp/trace-path.atrc --compress
trace amend: add data to a file
$ trace amend myworkload-003.atrc --add Symbolication
trace trim: trim a file based on kdebug event times
$ trace trim myworkload-002.atrc --from +1s --to +2s
trace providers: print information about Logging, Symbolication, etc.
trace plans: print detailed information about tracing approaches
See `man trace` for more information. and instead error
figtracer
requested review from
0xrusowsky,
DaniPopes,
grandizzy,
mattsse,
onbjerg and
zerosnacks
as code owners
mattsse
requested changes
Dec 10, 2025
crates/cast/src/opts.rs
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| command: Erc20Subcommand, | ||
| }, | ||
| #[command(name = "trace")] | ||
| Trace { |
Member
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I believe trace_rawTransaction also supports a blockid argument, so we should add this here as well
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crates/cast/src/args.rs
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Comment on lines
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| let trace_types: Vec<&str> = | ||
| [(trace, "trace"), (vm_trace, "vmTrace"), (state_diff, "stateDiff")] | ||
| .into_iter() | ||
| .filter_map(|(enabled, name)| enabled.then_some(name)) | ||
| .collect(); | ||
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| if trace_types.is_empty() { | ||
| eyre::bail!( | ||
| "No trace type specified. Use --trace, --vm-trace, or --state-diff" | ||
| ); | ||
| } | ||
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| let params = serde_json::json!([out, trace_types]); | ||
| Cast::new(&provider).rpc("trace_rawTransaction", params).await? |
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we can use the TraceApiExt for provider, migh require enabling the feature
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oh nice, might be better to just create a new file trace.rs with everything in there
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Motivation
adds support for #12783
Solution
CastSubCommand::Traceandrun_commandimplementationwe can input the tx json with any trace type (https://reth.rs/jsonrpc/trace)
cast trace '{"type":"0x2","chainId":"0x1","nonce":"0x15","gas":"0x5a3c","maxFeePerGas":"0x18701a80","maxPriorityFeePerGas":"0x4b571c0","to":"0x8dde80a55d95647e419f0c8da19a53a8b62b5109","value":"0x10fc6d9c991b48","accessList":[],"input":"0x","r":"0x521e2aa4952078661311a8323d89ee9d350b6aa4b69f812e42b586c3d12d934d","s":"0x179efd11ff1dea53336c00f009949852c645482b11a50d23bc52c4f01043cabf","yParity":"0x0","v":"0x0","hash":"0x7332384d63de1a06e4b27e667933960a67b4a2469cba0aadc1c5fe93135de9bc","blockHash":"0x8650ef8deef20fc848582ab68f33c8020db73220dea0d0bb65168cb1904b8478","blockNumber":"0x16dea3c","transactionIndex":"0x10c","from":"0x9e7c924b09427b94be16d191719c4654c6f5ea6f","gasPrice":"0xe99a42a"}' --raw (--trace/--vm-trace/--state-diff)with the raw trasaction
or using the tx hash
PR Checklist