28 lines
684 B
Go
28 lines
684 B
Go
|
package commands
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"math/big"
|
||
|
|
|
||
|
|
"github.com/ledgerwatch/erigon/common"
|
||
|
|
"github.com/ledgerwatch/erigon/core/vm"
|
||
|
|
)
|
||
|
|
|
||
|
|
type TouchTracer struct {
|
||
|
|
DefaultTracer
|
||
|
|
searchAddr common.Address
|
||
|
|
Found bool
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewTouchTracer(searchAddr common.Address) *TouchTracer {
|
||
|
|
return &TouchTracer{
|
||
|
|
searchAddr: searchAddr,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (t *TouchTracer) CaptureStart(env *vm.EVM, depth int, from common.Address, to common.Address, precompile bool, create bool, calltype vm.CallType, input []byte, gas uint64, value *big.Int, code []byte) {
|
||
|
|
if !t.Found && (bytes.Equal(t.searchAddr.Bytes(), from.Bytes()) || bytes.Equal(t.searchAddr.Bytes(), to.Bytes())) {
|
||
|
|
t.Found = true
|
||
|
|
}
|
||
|
|
}
|