Merge pull request ethereum#64 from OffchainLabs/preliminary-tracing-…

…support

Preliminary Tracing Support

core/types/arb_types.go

@@ -311,11 +311,11 @@ func (d *ArbitrumDepositTx) setSignatureValues(chainID, v, r, s *big.Int) {
 }
 
 type ArbitrumInternalTx struct {
-	ChainId     *big.Int
-	Type        uint8
-	Data        []byte
-	BlockNumber uint64
-	TxIndex     uint64
+	ChainId       *big.Int
+	Type          uint8
+	Data          []byte
+	L2BlockNumber uint64
+	TxIndex       uint64
 }
 
 func (t *ArbitrumInternalTx) txType() byte {
@@ -327,7 +327,7 @@ func (t *ArbitrumInternalTx) copy() TxData {
 		new(big.Int).Set(t.ChainId),
 		t.Type,
 		common.CopyBytes(t.Data),
-		t.BlockNumber,
+		t.L2BlockNumber,
 		t.TxIndex,
 	}
 }

core/vm/logger.go

@@ -35,4 +35,7 @@ type EVMLogger interface {
 	CaptureExit(output []byte, gasUsed uint64, err error)
 	CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error)
 	CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error)
+
+	// Arbitrum: capture a transfer, mint, or burn that happens outside of EVM exectuion
+	CaptureArbitrumTransfer(env *EVM, from, to *common.Address, amount *big.Int, before bool)
 }

eth/tracers/js/tracer_arbitrum.go

@@ -0,0 +1,27 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package js
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/vm"
+)
+
+func (*jsTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, amount *big.Int, before bool) {
+}

eth/tracers/logger/access_list_tracer_arbitrum.go

@@ -0,0 +1,17 @@
+// Copyright 2021 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package logger

eth/tracers/logger/logger_arbitrum.go

@@ -0,0 +1,31 @@
+// Copyright 2021 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package logger
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/vm"
+)
+
+func (*AccessListTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, amount *big.Int, before bool) {
+}
+func (*JSONLogger) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, amount *big.Int, before bool) {
+}
+func (*StructLogger) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, amount *big.Int, before bool) {
+}

eth/tracers/native/tracer_arbitrum.go

@@ -0,0 +1,33 @@
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package native
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/vm"
+)
+
+func (*callTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, amount *big.Int, before bool) {
+}
+func (*fourByteTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, amount *big.Int, before bool) {
+}
+func (*noopTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, amount *big.Int, before bool) {
+}
+func (*prestateTracer) CaptureArbitrumTransfer(env *vm.EVM, from, to *common.Address, amount *big.Int, before bool) {
+}