61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
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package commands
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import (
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"context"
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"math/big"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/common/hexutil"
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"github.com/ledgerwatch/erigon/core/vm"
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)
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type OperationType int
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const (
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OP_TRANSFER OperationType = 0
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OP_SELF_DESTRUCT OperationType = 1
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OP_CREATE OperationType = 2
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OP_CREATE2 OperationType = 3
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)
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type InternalOperation struct {
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Type OperationType `json:"type"`
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From common.Address `json:"from"`
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To common.Address `json:"to"`
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Value *hexutil.Big `json:"value"`
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}
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type OperationsTracer struct {
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DefaultTracer
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ctx context.Context
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Results []*InternalOperation
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}
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func NewOperationsTracer(ctx context.Context) *OperationsTracer {
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return &OperationsTracer{
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ctx: ctx,
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Results: make([]*InternalOperation, 0),
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}
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}
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func (t *OperationsTracer) 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) {
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if depth == 0 {
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return
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}
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if calltype == vm.CALLT && value.Uint64() != 0 {
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t.Results = append(t.Results, &InternalOperation{OP_TRANSFER, from, to, (*hexutil.Big)(value)})
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return
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}
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if calltype == vm.CREATET {
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t.Results = append(t.Results, &InternalOperation{OP_CREATE, from, to, (*hexutil.Big)(value)})
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}
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if calltype == vm.CREATE2T {
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t.Results = append(t.Results, &InternalOperation{OP_CREATE2, from, to, (*hexutil.Big)(value)})
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}
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}
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func (l *OperationsTracer) CaptureSelfDestruct(from common.Address, to common.Address, value *big.Int) {
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l.Results = append(l.Results, &InternalOperation{OP_SELF_DESTRUCT, from, to, (*hexutil.Big)(value)})
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}
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