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[#20266] Fix bugs decoding integers and fixed bytes in indexed event fields (#20269)

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* fix parseTopics() and add tests

* remove printf

* add ParseTopicsIntoMap() tests

* fix FixedBytesTy

* fix int and fixed bytes

* golint topics_test.go
This commit is contained in:
Jeff Wentworth
2019-12-18 19:16:07 +09:00
committed by Guillaume Ballet
parent 49cf000df7
commit 6ae9dc15cc
3 changed files with 122 additions and 28 deletions
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112
accounts/abi/bind/topics_test.go
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@ -17,6 +17,7 @@
package bind
import (
"math/big"
"reflect"
"testing"
@ -55,27 +56,44 @@ func TestMakeTopics(t *testing.T) {
}
}
func TestParseTopics(t *testing.T) {
type bytesStruct struct {
StaticBytes [5]byte
}
type args struct {
createObj func() interface{}
resultObj func() interface{}
resultMap func() map[string]interface{}
fields abi.Arguments
topics []common.Hash
}
type bytesStruct struct {
StaticBytes [5]byte
}
type int8Struct struct {
Int8Value int8
}
type int256Struct struct {
Int256Value *big.Int
}
type topicTest struct {
name string
args args
wantErr bool
}
func setupTopicsTests() []topicTest {
bytesType, _ := abi.NewType("bytes5", "", nil)
type args struct {
createObj func() interface{}
resultObj func() interface{}
fields abi.Arguments
topics []common.Hash
}
tests := []struct {
name string
args args
wantErr bool
}{
int8Type, _ := abi.NewType("int8", "", nil)
int256Type, _ := abi.NewType("int256", "", 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: abi.Arguments{abi.Argument{
Name: "staticBytes",
Type: bytesType,
@ -87,7 +105,54 @@ func TestParseTopics(t *testing.T) {
},
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: abi.Arguments{abi.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: abi.Arguments{abi.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,
},
}
return tests
}
func TestParseTopics(t *testing.T) {
tests := setupTopicsTests()
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
createObj := tt.args.createObj()
@ -101,3 +166,20 @@ func TestParseTopics(t *testing.T) {
})
}
}
func TestParseTopicsIntoMap(t *testing.T) {
tests := setupTopicsTests()
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
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)
}
})
}
}