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Official Go implementation of the Ethereum protocol
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go-ethereum/accounts/abi/topics_test.go

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// Copyright 2020 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 (
"math/big"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
)
func TestMakeTopics(t *testing.T) {
t.Parallel()
type args struct {
query [][]interface{}
}
tests := []struct {
name string
args args
want [][]common.Hash
wantErr bool
}{
{
"support fixed byte types, right padded to 32 bytes",
args{[][]interface{}{{[5]byte{1, 2, 3, 4, 5}}}},
[][]common.Hash{{common.Hash{1, 2, 3, 4, 5}}},
false,
},
{
"support common hash types in topics",
args{[][]interface{}{{common.Hash{1, 2, 3, 4, 5}}}},
[][]common.Hash{{common.Hash{1, 2, 3, 4, 5}}},
false,
},
{
"support address types in topics",
args{[][]interface{}{{common.Address{1, 2, 3, 4, 5}}}},
[][]common.Hash{{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5}}},
false,
},
{
"support *big.Int types in topics",
args{[][]interface{}{{big.NewInt(1).Lsh(big.NewInt(2), 254)}}},
[][]common.Hash{{common.Hash{128}}},
false,
},
{
"support boolean types in topics",
args{[][]interface{}{
{true},
{false},
}},
[][]common.Hash{
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}},
{common.Hash{0}},
},
false,
},
{
"support int/uint(8/16/32/64) types in topics",
args{[][]interface{}{
{int8(-2)},
{int16(-3)},
{int32(-4)},
{int64(-5)},
{int8(1)},
{int16(256)},
{int32(65536)},
{int64(4294967296)},
{uint8(1)},
{uint16(256)},
{uint32(65536)},
{uint64(4294967296)},
}},
[][]common.Hash{
{common.Hash{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254}},
{common.Hash{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 253}},
{common.Hash{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 252}},
{common.Hash{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 251}},
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}},
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0}},
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0}},
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0}},
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}},
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0}},
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0}},
{common.Hash{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0}},
},
false,
},
{
"support string types in topics",
args{[][]interface{}{{"hello world"}}},
[][]common.Hash{{crypto.Keccak256Hash([]byte("hello world"))}},
false,
},
{
"support byte slice types in topics",
args{[][]interface{}{{[]byte{1, 2, 3}}}},
[][]common.Hash{{crypto.Keccak256Hash([]byte{1, 2, 3})}},
false,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
got, err := MakeTopics(tt.args.query...)
if (err != nil) != tt.wantErr {
t.Errorf("makeTopics() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("makeTopics() = %v, want %v", got, tt.want)
}
})
}
}
type args struct {
createObj func() interface{}
resultObj func() interface{}
resultMap func() map[string]interface{}
fields Arguments
topics []common.Hash
}
type bytesStruct struct {
StaticBytes [5]byte
}
type int8Struct struct {
Int8Value int8
}
type int256Struct struct {
Int256Value *big.Int
}
type hashStruct struct {
HashValue common.Hash
}
type funcStruct struct {
FuncValue [24]byte
}
type topicTest struct {
name string
args args
wantErr bool
}
func setupTopicsTests() []topicTest {
bytesType, _ := NewType("bytes5", "", nil)
int8Type, _ := NewType("int8", "", nil)
int256Type, _ := NewType("int256", "", nil)
tupleType, _ := NewType("tuple(int256,int8)", "", nil)
stringType, _ := NewType("string", "", nil)
funcType, _ := NewType("function", "", nil)
tests := []topicTest{
{
name: "support fixed byte types, right padded to 32 bytes",
args: args{
createObj: func() interface{} { return &bytesStruct{} },
resultObj: func() interface{} { return &bytesStruct{StaticBytes: [5]byte{1, 2, 3, 4, 5}} },
resultMap: func() map[string]interface{} {
return map[string]interface{}{"staticBytes": [5]byte{1, 2, 3, 4, 5}}
},
fields: Arguments{Argument{
Name: "staticBytes",
Type: bytesType,
Indexed: true,
}},
topics: []common.Hash{
{1, 2, 3, 4, 5},
},
},
wantErr: false,
},
{
name: "int8 with negative value",
args: args{
createObj: func() interface{} { return &int8Struct{} },
resultObj: func() interface{} { return &int8Struct{Int8Value: -1} },
resultMap: func() map[string]interface{} {
return map[string]interface{}{"int8Value": int8(-1)}
},
fields: Arguments{Argument{
Name: "int8Value",
Type: int8Type,
Indexed: true,
}},
topics: []common.Hash{
{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
},
},
wantErr: false,
},
{
name: "int256 with negative value",
args: args{
createObj: func() interface{} { return &int256Struct{} },
resultObj: func() interface{} { return &int256Struct{Int256Value: big.NewInt(-1)} },
resultMap: func() map[string]interface{} {
return map[string]interface{}{"int256Value": big.NewInt(-1)}
},
fields: Arguments{Argument{
Name: "int256Value",
Type: int256Type,
Indexed: true,
}},
topics: []common.Hash{
{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
},
},
wantErr: false,
},
{
name: "hash type",
args: args{
createObj: func() interface{} { return &hashStruct{} },
resultObj: func() interface{} { return &hashStruct{crypto.Keccak256Hash([]byte("stringtopic"))} },
resultMap: func() map[string]interface{} {
return map[string]interface{}{"hashValue": crypto.Keccak256Hash([]byte("stringtopic"))}
},
fields: Arguments{Argument{
Name: "hashValue",
Type: stringType,
Indexed: true,
}},
topics: []common.Hash{
crypto.Keccak256Hash([]byte("stringtopic")),
},
},
wantErr: false,
},
{
name: "function type",
args: args{
createObj: func() interface{} { return &funcStruct{} },
resultObj: func() interface{} {
return &funcStruct{[24]byte{255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}}
},
resultMap: func() map[string]interface{} {
return map[string]interface{}{"funcValue": [24]byte{255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}}
},
fields: Arguments{Argument{
Name: "funcValue",
Type: funcType,
Indexed: true,
}},
topics: []common.Hash{
{0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
},
},
wantErr: false,
},
{
name: "error on topic/field count mismatch",
args: args{
createObj: func() interface{} { return nil },
resultObj: func() interface{} { return nil },
resultMap: func() map[string]interface{} { return make(map[string]interface{}) },
fields: Arguments{Argument{
Name: "tupletype",
Type: tupleType,
Indexed: true,
}},
topics: []common.Hash{},
},
wantErr: true,
},
{
name: "error on unindexed arguments",
args: args{
createObj: func() interface{} { return &int256Struct{} },
resultObj: func() interface{} { return &int256Struct{} },
resultMap: func() map[string]interface{} { return make(map[string]interface{}) },
fields: Arguments{Argument{
Name: "int256Value",
Type: int256Type,
Indexed: false,
}},
topics: []common.Hash{
{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
},
},
wantErr: true,
},
{
name: "error on tuple in topic reconstruction",
args: args{
createObj: func() interface{} { return &tupleType },
resultObj: func() interface{} { return &tupleType },
resultMap: func() map[string]interface{} { return make(map[string]interface{}) },
fields: Arguments{Argument{
Name: "tupletype",
Type: tupleType,
Indexed: true,
}},
topics: []common.Hash{{0}},
},
wantErr: true,
},
{
name: "error on improper encoded function",
args: args{
createObj: func() interface{} { return &funcStruct{} },
resultObj: func() interface{} { return &funcStruct{} },
resultMap: func() map[string]interface{} {
return make(map[string]interface{})
},
fields: Arguments{Argument{
Name: "funcValue",
Type: funcType,
Indexed: true,
}},
topics: []common.Hash{
{0, 0, 0, 0, 0, 0, 0, 128, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
},
},
wantErr: true,
},
}
return tests
}
func TestParseTopics(t *testing.T) {
t.Parallel()
tests := setupTopicsTests()
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
createObj := tt.args.createObj()
if err := ParseTopics(createObj, tt.args.fields, tt.args.topics); (err != nil) != tt.wantErr {
t.Errorf("parseTopics() error = %v, wantErr %v", err, tt.wantErr)
}
resultObj := tt.args.resultObj()
if !reflect.DeepEqual(createObj, resultObj) {
t.Errorf("parseTopics() = %v, want %v", createObj, resultObj)
}
})
}
}
func TestParseTopicsIntoMap(t *testing.T) {
t.Parallel()
tests := setupTopicsTests()
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
outMap := make(map[string]interface{})
if err := ParseTopicsIntoMap(outMap, tt.args.fields, tt.args.topics); (err != nil) != tt.wantErr {
t.Errorf("parseTopicsIntoMap() error = %v, wantErr %v", err, tt.wantErr)
}
resultMap := tt.args.resultMap()
if !reflect.DeepEqual(outMap, resultMap) {
t.Errorf("parseTopicsIntoMap() = %v, want %v", outMap, resultMap)
}
})
}
}