216 lines
8.2 KiB
Go
216 lines
8.2 KiB
Go
// 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 abi
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"math"
|
|
"math/big"
|
|
"reflect"
|
|
"strconv"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
)
|
|
|
|
// TestPack tests the general pack/unpack tests in packing_test.go
|
|
func TestPack(t *testing.T) {
|
|
t.Parallel()
|
|
for i, test := range packUnpackTests {
|
|
t.Run(strconv.Itoa(i), func(t *testing.T) {
|
|
t.Parallel()
|
|
encb, err := hex.DecodeString(test.packed)
|
|
if err != nil {
|
|
t.Fatalf("invalid hex %s: %v", test.packed, err)
|
|
}
|
|
inDef := fmt.Sprintf(`[{ "name" : "method", "type": "function", "inputs": %s}]`, test.def)
|
|
inAbi, err := JSON(strings.NewReader(inDef))
|
|
if err != nil {
|
|
t.Fatalf("invalid ABI definition %s, %v", inDef, err)
|
|
}
|
|
var packed []byte
|
|
packed, err = inAbi.Pack("method", test.unpacked)
|
|
|
|
if err != nil {
|
|
t.Fatalf("test %d (%v) failed: %v", i, test.def, err)
|
|
}
|
|
if !reflect.DeepEqual(packed[4:], encb) {
|
|
t.Errorf("test %d (%v) failed: expected %v, got %v", i, test.def, encb, packed[4:])
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMethodPack(t *testing.T) {
|
|
t.Parallel()
|
|
abi, err := JSON(strings.NewReader(jsondata))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
sig := abi.Methods["slice"].ID
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
|
|
packed, err := abi.Pack("slice", []uint32{1, 2})
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
|
|
var addrA, addrB = common.Address{1}, common.Address{2}
|
|
sig = abi.Methods["sliceAddress"].ID
|
|
sig = append(sig, common.LeftPadBytes([]byte{32}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes(addrA[:], 32)...)
|
|
sig = append(sig, common.LeftPadBytes(addrB[:], 32)...)
|
|
|
|
packed, err = abi.Pack("sliceAddress", []common.Address{addrA, addrB})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
|
|
var addrC, addrD = common.Address{3}, common.Address{4}
|
|
sig = abi.Methods["sliceMultiAddress"].ID
|
|
sig = append(sig, common.LeftPadBytes([]byte{64}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{160}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes(addrA[:], 32)...)
|
|
sig = append(sig, common.LeftPadBytes(addrB[:], 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes(addrC[:], 32)...)
|
|
sig = append(sig, common.LeftPadBytes(addrD[:], 32)...)
|
|
|
|
packed, err = abi.Pack("sliceMultiAddress", []common.Address{addrA, addrB}, []common.Address{addrC, addrD})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
|
|
sig = abi.Methods["slice256"].ID
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
|
|
packed, err = abi.Pack("slice256", []*big.Int{big.NewInt(1), big.NewInt(2)})
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
|
|
a := [2][2]*big.Int{{big.NewInt(1), big.NewInt(1)}, {big.NewInt(2), big.NewInt(0)}}
|
|
sig = abi.Methods["nestedArray"].ID
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{0}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{0xa0}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes(addrC[:], 32)...)
|
|
sig = append(sig, common.LeftPadBytes(addrD[:], 32)...)
|
|
packed, err = abi.Pack("nestedArray", a, []common.Address{addrC, addrD})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
|
|
sig = abi.Methods["nestedArray2"].ID
|
|
sig = append(sig, common.LeftPadBytes([]byte{0x20}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{0x40}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{0x80}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
packed, err = abi.Pack("nestedArray2", [2][]uint8{{1}, {1}})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
|
|
sig = abi.Methods["nestedSlice"].ID
|
|
sig = append(sig, common.LeftPadBytes([]byte{0x20}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{0x02}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{0x40}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{0xa0}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{1}, 32)...)
|
|
sig = append(sig, common.LeftPadBytes([]byte{2}, 32)...)
|
|
packed, err = abi.Pack("nestedSlice", [][]uint8{{1, 2}, {1, 2}})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
}
|
|
|
|
func TestPackNumber(t *testing.T) {
|
|
t.Parallel()
|
|
tests := []struct {
|
|
value reflect.Value
|
|
packed []byte
|
|
}{
|
|
// Protocol limits
|
|
{reflect.ValueOf(0), common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000000")},
|
|
{reflect.ValueOf(1), common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")},
|
|
{reflect.ValueOf(-1), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")},
|
|
|
|
// Type corner cases
|
|
{reflect.ValueOf(uint8(math.MaxUint8)), common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000000000ff")},
|
|
{reflect.ValueOf(uint16(math.MaxUint16)), common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000ffff")},
|
|
{reflect.ValueOf(uint32(math.MaxUint32)), common.Hex2Bytes("00000000000000000000000000000000000000000000000000000000ffffffff")},
|
|
{reflect.ValueOf(uint64(math.MaxUint64)), common.Hex2Bytes("000000000000000000000000000000000000000000000000ffffffffffffffff")},
|
|
|
|
{reflect.ValueOf(int8(math.MaxInt8)), common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000007f")},
|
|
{reflect.ValueOf(int16(math.MaxInt16)), common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000007fff")},
|
|
{reflect.ValueOf(int32(math.MaxInt32)), common.Hex2Bytes("000000000000000000000000000000000000000000000000000000007fffffff")},
|
|
{reflect.ValueOf(int64(math.MaxInt64)), common.Hex2Bytes("0000000000000000000000000000000000000000000000007fffffffffffffff")},
|
|
|
|
{reflect.ValueOf(int8(math.MinInt8)), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff80")},
|
|
{reflect.ValueOf(int16(math.MinInt16)), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8000")},
|
|
{reflect.ValueOf(int32(math.MinInt32)), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffffffffffff80000000")},
|
|
{reflect.ValueOf(int64(math.MinInt64)), common.Hex2Bytes("ffffffffffffffffffffffffffffffffffffffffffffffff8000000000000000")},
|
|
}
|
|
for i, tt := range tests {
|
|
packed := packNum(tt.value)
|
|
if !bytes.Equal(packed, tt.packed) {
|
|
t.Errorf("test %d: pack mismatch: have %x, want %x", i, packed, tt.packed)
|
|
}
|
|
}
|
|
}
|