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otterscan_trace_operations.go
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/
otterscan_trace_operations.go
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package jsonrpc
import (
"context"
"github.com/ledgerwatch/erigon-lib/common/hexutil"
"github.com/holiman/uint256"
"github.com/ledgerwatch/erigon-lib/common"
"github.com/ledgerwatch/erigon/core/vm"
)
type OperationType int
const (
OP_TRANSFER OperationType = 0
OP_SELF_DESTRUCT OperationType = 1
OP_CREATE OperationType = 2
OP_CREATE2 OperationType = 3
)
type InternalOperation struct {
Type OperationType `json:"type"`
From common.Address `json:"from"`
To common.Address `json:"to"`
Value *hexutil.Big `json:"value"`
}
type OperationsTracer struct {
DefaultTracer
ctx context.Context
Results []*InternalOperation
}
func NewOperationsTracer(ctx context.Context) *OperationsTracer {
return &OperationsTracer{
ctx: ctx,
Results: make([]*InternalOperation, 0),
}
}
func (t *OperationsTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, precompile bool, create bool, input []byte, gas uint64, value *uint256.Int, code []byte) {
if typ == vm.CALL && value.Uint64() != 0 {
t.Results = append(t.Results, &InternalOperation{OP_TRANSFER, from, to, (*hexutil.Big)(value.ToBig())})
return
}
if typ == vm.CREATE {
t.Results = append(t.Results, &InternalOperation{OP_CREATE, from, to, (*hexutil.Big)(value.ToBig())})
}
if typ == vm.CREATE2 {
t.Results = append(t.Results, &InternalOperation{OP_CREATE2, from, to, (*hexutil.Big)(value.ToBig())})
}
if typ == vm.SELFDESTRUCT {
t.Results = append(t.Results, &InternalOperation{OP_SELF_DESTRUCT, from, to, (*hexutil.Big)(value.ToBig())})
}
}