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Switch Arbitrum Firehose tracing to the shared tracer #71

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Merged
sduchesneau merged 3 commits into from
Oct 1, 2026
Merged

Switch Arbitrum Firehose tracing to the shared tracer #71

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02fc7da
eth/tracers: switch Firehose to the shared tracer
sduchesneau Sep 30, 2026
d3442aa
go.mod: bump evm-firehose-tracer-go
sduchesneau Sep 30, 2026
bec3073
go.mod: pin evm-firehose-tracer-go to merged master
sduchesneau Oct 1, 2026
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18 changes: 0 additions & 18 deletions core/state/statedb.go
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Original file line number Diff line number Diff line change
Expand Up @@ -711,25 +711,7 @@ func (s *StateDB) getOrNewStateObject(addr common.Address) *stateObject {
// createObject creates a new state object. The assumption is held there is no
// existing account with the given address, otherwise it will be silently overwritten.
func (s *StateDB) createObject(addr common.Address) *stateObject {
var prevExist bool
if s.logger != nil && s.logger.OnNewAccount != nil {
prevExist = s.getStateObject(addr) != nil
if !prevExist {
if mutation := s.mutations[addr]; mutation != nil && mutation.isDelete() {
prevExist = true
}
}
}

obj := newObject(s, addr, nil)

if s.logger != nil && s.logger.OnNewAccount != nil && !prevExist {
// Firehose: Arbitrum Firehose tracer is created from a development version of Firehose 3.0
// and add the OnNewAccount implemented only on new account only while "stock" Firehose 2.3
// model actually has OnNewAccount implemented on every account even if a previous account existed.
s.logger.OnNewAccount(addr)
}

s.journal.createObject(addr)
s.setStateObject(obj)
return obj
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10 changes: 0 additions & 10 deletions core/tracing/hooks.go
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Expand Up @@ -242,16 +242,6 @@ type Hooks struct {
// Stylus: capture hostio invocation
CaptureStylusHostio CaptureStylusHostioHook

// Arbitrum Firehose
OnBlockUpdate func(b *types.Block, td *big.Int)

// Firehose backward compatibility
// This hook exist because some current Firehose supported chains requires it
// but this field is going to be deprecated and newer chains will not produced
// those events anymore. The hook is registered conditionally based on the
// tracer configuration.
OnNewAccount func(address common.Address)

// Temporary fix to try to align with older Arbitrum Firehose instrumentation until we understand why it creates
// differences in Arbitrum.
OnKeccakPreimage func(hash common.Hash, preimage []byte)
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