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119 lines
3.4 KiB
119 lines
3.4 KiB
// Copyright 2022 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package vm
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import (
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"encoding/hex"
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"fmt"
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"reflect"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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)
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func TestEOFMarshaling(t *testing.T) {
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for i, test := range []struct {
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want Container
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err error
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}{
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{
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want: Container{
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types: []*functionMetadata{{inputs: 0, outputs: 0x80, maxStackHeight: 1}},
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codeSections: [][]byte{common.Hex2Bytes("604200")},
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data: []byte{0x01, 0x02, 0x03},
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dataSize: 3,
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},
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},
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{
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want: Container{
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types: []*functionMetadata{{inputs: 0, outputs: 0x80, maxStackHeight: 1}},
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codeSections: [][]byte{common.Hex2Bytes("604200")},
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data: []byte{0x01, 0x02, 0x03},
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dataSize: 3,
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},
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},
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{
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want: Container{
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types: []*functionMetadata{
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{inputs: 0, outputs: 0x80, maxStackHeight: 1},
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{inputs: 2, outputs: 3, maxStackHeight: 4},
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{inputs: 1, outputs: 1, maxStackHeight: 1},
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},
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codeSections: [][]byte{
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common.Hex2Bytes("604200"),
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common.Hex2Bytes("6042604200"),
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common.Hex2Bytes("00"),
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},
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data: []byte{},
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},
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},
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} {
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var (
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b = test.want.MarshalBinary()
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got Container
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)
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t.Logf("b: %#x", b)
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if err := got.UnmarshalBinary(b, true); err != nil && err != test.err {
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t.Fatalf("test %d: got error \"%v\", want \"%v\"", i, err, test.err)
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}
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if !reflect.DeepEqual(got, test.want) {
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t.Fatalf("test %d: got %+v, want %+v", i, got, test.want)
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}
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}
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}
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func TestEOFSubcontainer(t *testing.T) {
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var subcontainer = new(Container)
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if err := subcontainer.UnmarshalBinary(common.Hex2Bytes("ef000101000402000100010400000000800000fe"), true); err != nil {
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t.Fatal(err)
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}
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container := Container{
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types: []*functionMetadata{{inputs: 0, outputs: 0x80, maxStackHeight: 1}},
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codeSections: [][]byte{common.Hex2Bytes("604200")},
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subContainers: []*Container{subcontainer},
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data: []byte{0x01, 0x02, 0x03},
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dataSize: 3,
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}
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var (
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b = container.MarshalBinary()
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got Container
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)
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if err := got.UnmarshalBinary(b, true); err != nil {
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t.Fatal(err)
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}
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fmt.Print(got)
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if res := got.MarshalBinary(); !reflect.DeepEqual(res, b) {
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t.Fatalf("invalid marshalling, want %v got %v", b, res)
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}
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}
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func TestMarshaling(t *testing.T) {
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tests := []string{
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"EF000101000402000100040400000000800000E0000000",
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"ef0001010004020001000d04000000008000025fe100055f5fe000035f600100",
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}
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for i, test := range tests {
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s, err := hex.DecodeString(test)
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if err != nil {
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t.Fatalf("test %d: error decoding: %v", i, err)
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}
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var got Container
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if err := got.UnmarshalBinary(s, true); err != nil {
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t.Fatalf("test %d: got error %v", i, err)
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}
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}
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}
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