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eth/tracers: use atomic type #27031

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merged 7 commits into from
Apr 4, 2023
Merged

eth/tracers: use atomic type #27031

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923d6b7
eth/tracers: use atomic type
s7v7nislands Apr 2, 2023
f961626
fix lint
s7v7nislands Apr 3, 2023
13a0adc
fix lint
s7v7nislands Apr 4, 2023
a9f03cf
Update eth/tracers/api_test.go
holiman Apr 4, 2023
40acb1a
Update eth/tracers/api_test.go
holiman Apr 4, 2023
cea9d65
fix lint issue
s1na Apr 4, 2023
e663c09
check interrupt in prestate tracer
s1na Apr 4, 2023
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10 changes: 5 additions & 5 deletions eth/tracers/api_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -835,8 +835,8 @@ func TestTraceChain(t *testing.T) {
signer := types.HomesteadSigner{}

var (
ref uint32 // total refs has made
rel uint32 // total rels has made
ref atomic.Uint32 // total refs has made
rel atomic.Uint32 // total rels has made
nonce uint64
)
backend := newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
Expand All @@ -849,8 +849,8 @@ func TestTraceChain(t *testing.T) {
nonce += 1
}
})
backend.refHook = func() { atomic.AddUint32(&ref, 1) }
backend.relHook = func() { atomic.AddUint32(&rel, 1) }
backend.refHook = func() { ref.Add(1) }
backend.relHook = func() { rel.Add(1) }
api := NewAPI(backend)

single := `{"result":{"gas":21000,"failed":false,"returnValue":"","structLogs":[]}}`
Expand All @@ -863,7 +863,7 @@ func TestTraceChain(t *testing.T) {
{10, 20, nil}, // the middle chain range, blocks [11, 20]
}
for _, c := range cases {
ref, rel = 0, 0 // clean up the counters
ref, rel = atomic.Uint32{}, atomic.Uint32{} // clean up the counters
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from, _ := api.blockByNumber(context.Background(), rpc.BlockNumber(c.start))
to, _ := api.blockByNumber(context.Background(), rpc.BlockNumber(c.end))
Expand Down
8 changes: 4 additions & 4 deletions eth/tracers/logger/logger.go
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Original file line number Diff line number Diff line change
Expand Up @@ -116,8 +116,8 @@ type StructLogger struct {
gasLimit uint64
usedGas uint64

interrupt uint32 // Atomic flag to signal execution interruption
reason error // Textual reason for the interruption
interrupt atomic.Bool // Atomic flag to signal execution interruption
reason error // Textual reason for the interruption
}

// NewStructLogger returns a new logger
Expand Down Expand Up @@ -149,7 +149,7 @@ func (l *StructLogger) CaptureStart(env *vm.EVM, from common.Address, to common.
// CaptureState also tracks SLOAD/SSTORE ops to track storage change.
func (l *StructLogger) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
// If tracing was interrupted, set the error and stop
if atomic.LoadUint32(&l.interrupt) > 0 {
if l.interrupt.Load() {
return
}
// check if already accumulated the specified number of logs
Expand Down Expand Up @@ -258,7 +258,7 @@ func (l *StructLogger) GetResult() (json.RawMessage, error) {
// Stop terminates execution of the tracer at the first opportune moment.
func (l *StructLogger) Stop(err error) {
l.reason = err
atomic.StoreUint32(&l.interrupt, 1)
l.interrupt.Store(true)
}

func (l *StructLogger) CaptureTxStart(gasLimit uint64) {
Expand Down
6 changes: 3 additions & 3 deletions eth/tracers/native/4byte.go
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Expand Up @@ -48,7 +48,7 @@ func init() {
type fourByteTracer struct {
noopTracer
ids map[string]int // ids aggregates the 4byte ids found
interrupt uint32 // Atomic flag to signal execution interruption
interrupt atomic.Bool // Atomic flag to signal execution interruption
reason error // Textual reason for the interruption
activePrecompiles []common.Address // Updated on CaptureStart based on given rules
}
Expand Down Expand Up @@ -93,7 +93,7 @@ func (t *fourByteTracer) CaptureStart(env *vm.EVM, from common.Address, to commo
// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
func (t *fourByteTracer) CaptureEnter(op vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
// Skip if tracing was interrupted
if atomic.LoadUint32(&t.interrupt) > 0 {
if t.interrupt.Load() {
return
}
if len(input) < 4 {
Expand Down Expand Up @@ -124,7 +124,7 @@ func (t *fourByteTracer) GetResult() (json.RawMessage, error) {
// Stop terminates execution of the tracer at the first opportune moment.
func (t *fourByteTracer) Stop(err error) {
t.reason = err
atomic.StoreUint32(&t.interrupt, 1)
t.interrupt.Store(true)
}

func bytesToHex(s []byte) string {
Expand Down
10 changes: 5 additions & 5 deletions eth/tracers/native/call.go
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Expand Up @@ -102,8 +102,8 @@ type callTracer struct {
callstack []callFrame
config callTracerConfig
gasLimit uint64
interrupt uint32 // Atomic flag to signal execution interruption
reason error // Textual reason for the interruption
interrupt atomic.Bool // Atomic flag to signal execution interruption
reason error // Textual reason for the interruption
}

type callTracerConfig struct {
Expand Down Expand Up @@ -161,7 +161,7 @@ func (t *callTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, sco
return
}
// Skip if tracing was interrupted
if atomic.LoadUint32(&t.interrupt) > 0 {
if t.interrupt.Load() {
return
}
switch op {
Expand Down Expand Up @@ -197,7 +197,7 @@ func (t *callTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.
return
}
// Skip if tracing was interrupted
if atomic.LoadUint32(&t.interrupt) > 0 {
if t.interrupt.Load() {
return
}

Expand Down Expand Up @@ -262,7 +262,7 @@ func (t *callTracer) GetResult() (json.RawMessage, error) {
// Stop terminates execution of the tracer at the first opportune moment.
func (t *callTracer) Stop(err error) {
t.reason = err
atomic.StoreUint32(&t.interrupt, 1)
t.interrupt.Store(true)
}

// clearFailedLogs clears the logs of a callframe and all its children
Expand Down
6 changes: 3 additions & 3 deletions eth/tracers/native/prestate.go
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Expand Up @@ -62,8 +62,8 @@ type prestateTracer struct {
to common.Address
gasLimit uint64 // Amount of gas bought for the whole tx
config prestateTracerConfig
interrupt uint32 // Atomic flag to signal execution interruption
reason error // Textual reason for the interruption
interrupt atomic.Bool // Atomic flag to signal execution interruption
reason error // Textual reason for the interruption
created map[common.Address]bool
deleted map[common.Address]bool
}
Expand Down Expand Up @@ -259,7 +259,7 @@ func (t *prestateTracer) GetResult() (json.RawMessage, error) {
// Stop terminates execution of the tracer at the first opportune moment.
func (t *prestateTracer) Stop(err error) {
t.reason = err
atomic.StoreUint32(&t.interrupt, 1)
t.interrupt.Store(true)
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I just realized through your PR that prestateTracer is ignoring the interrupt signal sort of. It has to check for interrupts in CaptureState. I'd be grateful if you add it in this PR, but don't feel obliged.

}

// lookupAccount fetches details of an account and adds it to the prestate
Expand Down