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eth/tracers: lookup EIP7702 delegation code

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Signed-off-by: jsvisa <delweng@gmail.com>
This commit is contained in:
jsvisa 2025-06-23 21:28:53 +08:00
parent b62c0c67fa
commit 041b52b00a
1 changed files with 23 additions and 14 deletions
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9
eth/tracers/native/prestate.go
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@ -66,6 +66,7 @@ type prestateTracer struct {
post stateMap
to common.Address
config prestateTracerConfig
chainConfig *params.ChainConfig
interrupt atomic.Bool // Atomic flag to signal execution interruption
reason error // Textual reason for the interruption
created map[common.Address]bool
@ -93,6 +94,7 @@ func newPrestateTracer(ctx *tracers.Context, cfg json.RawMessage, chainConfig *p
pre: stateMap{},
post: stateMap{},
config: config,
chainConfig: chainConfig,
created: make(map[common.Address]bool),
deleted: make(map[common.Address]bool),
}
@ -133,6 +135,13 @@ func (t *prestateTracer) OnOpcode(pc uint64, opcode byte, gas, cost uint64, scop
case stackLen >= 5 && (op == vm.DELEGATECALL || op == vm.CALL || op == vm.STATICCALL || op == vm.CALLCODE):
addr := common.Address(stackData[stackLen-2].Bytes20())
t.lookupAccount(addr)
// Lookup a delegation target
if t.chainConfig.IsPrague(t.env.BlockNumber, t.env.Time) {
code := t.env.StateDB.GetCode(addr)
if target, ok := types.ParseDelegation(code); ok {
t.lookupAccount(target)
}
}
case op == vm.CREATE:
nonce := t.env.StateDB.GetNonce(caller)
addr := crypto.CreateAddress(caller, nonce)