feat(anvil): add support for trace logging in Anvil
#9895
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…local artifacts in Anvil yet
…performed in Anvil
mattsse
reviewed
Feb 20, 2025
zerosnacks
commented
Mar 25, 2025
Comment on lines
+92
to
+100
| fn print_traces(tracer: TracingInspector) { | ||
| let arena = tokio::task::block_in_place(move || { | ||
| tokio::runtime::Handle::current().block_on(async move { | ||
| let mut arena = tracer.into_traces(); | ||
| let decoder = CallTraceDecoder::new(); | ||
| decoder.populate_traces(arena.nodes_mut()).await; | ||
| arena | ||
| }) | ||
| }); |
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We could potentially enhance this to decode the traces by using the local Foundry cache if Anvil is aware of the context it is running in. We already do something similar for Cast.
Current output looks as follows:
Traces:
[96345] → new <unknown>@0x5FbDB2315678afecb367f032d93F642f64180aa3
└─ ← [Return] 481 bytes of code
Transaction: 0xfe54630a47e967d67c729e38f22942235228fc01521f4db04597c9177be18e1c
Contract created: 0x5FbDB2315678afecb367f032d93F642f64180aa3
Gas used: 156813
Block Number: 1
Block Hash: 0x25012fdbcb7c25948454ec6b8cfad6ac788b309e1637e30504f29220b12997b4
Block Time: "Tue, 25 Mar 2025 16:28:30 +0000"
Traces:
[22418] 0x5FbDB2315678afecb367f032d93F642f64180aa3::d09de08a()
├─ storage changes:
│ @ 0: 0 → 1
└─ ← [Stop]
Traces:
eth_getTransactionReceipt
[5392] 0x5FbDB2315678afecb367f032d93F642f64180aa3::3fb5c1cb(000000000000000000000000000000000000000000000000000000000000002a)
├─ storage changes:
│ @ 0: 1 → 42
└─ ← [Stop]
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Motivation
Closes: #9887
Solution
Work in progress
Current output looks as follows:
It is likely possible to decode the traces to some extend using cached selectors but there is some complexity involved as all of these functions are not async.
PR Checklist