neo-go/pkg/smartcontract/parameter_test.go

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package smartcontract
import (
"encoding/json"
"math"
"reflect"
"testing"
"github.com/nspcc-dev/neo-go/pkg/internal/testserdes"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var marshalJSONTestCases = []struct {
input Parameter
result string
}{
{
input: Parameter{Type: IntegerType, Value: int64(12345)},
result: `{"type":"Integer","value":12345}`,
},
{
input: Parameter{Type: StringType, Value: "Some string"},
result: `{"type":"String","value":"Some string"}`,
},
{
input: Parameter{Type: BoolType, Value: true},
result: `{"type":"Boolean","value":true}`,
},
{
input: Parameter{Type: ByteArrayType, Value: []byte{0x01, 0x02, 0x03}},
result: `{"type":"ByteArray","value":"010203"}`,
},
{
input: Parameter{Type: ByteArrayType},
result: `{"type":"ByteArray","value":null}`,
},
{
input: Parameter{
Type: PublicKeyType,
Value: []byte{0x03, 0xb3, 0xbf, 0x15, 0x02, 0xfb, 0xdc, 0x05, 0x44, 0x9b, 0x50, 0x6a, 0xaf, 0x04, 0x57, 0x97, 0x24, 0x02, 0x4b, 0x06, 0x54, 0x2e, 0x49, 0x26, 0x2b, 0xfa, 0xa3, 0xf7, 0x0e, 0x20, 0x00, 0x40, 0xa9},
},
result: `{"type":"PublicKey","value":"03b3bf1502fbdc05449b506aaf04579724024b06542e49262bfaa3f70e200040a9"}`,
},
{
input: Parameter{
Type: ArrayType,
Value: []Parameter{
{Type: StringType, Value: "str 1"},
{Type: IntegerType, Value: int64(2)},
},
},
result: `{"type":"Array","value":[{"type":"String","value":"str 1"},{"type":"Integer","value":2}]}`,
},
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{
input: Parameter{
Type: ArrayType,
Value: []Parameter{
{Type: ByteArrayType, Value: []byte{1, 2}},
{
Type: ArrayType,
Value: []Parameter{
{Type: ByteArrayType, Value: []byte{3, 2, 1}},
{Type: ByteArrayType, Value: []byte{7, 8, 9}},
}},
},
},
result: `{"type":"Array","value":[{"type":"ByteArray","value":"0102"},{"type":"Array","value":[` +
`{"type":"ByteArray","value":"030201"},{"type":"ByteArray","value":"070809"}]}]}`,
},
{
input: Parameter{
Type: MapType,
Value: []ParameterPair{
{
Key: Parameter{Type: StringType, Value: "key1"},
Value: Parameter{Type: IntegerType, Value: int64(1)},
},
{
Key: Parameter{Type: StringType, Value: "key2"},
Value: Parameter{Type: StringType, Value: "two"},
},
},
},
result: `{"type":"Map","value":[{"key":{"type":"String","value":"key1"},"value":{"type":"Integer","value":1}},{"key":{"type":"String","value":"key2"},"value":{"type":"String","value":"two"}}]}`,
},
{
input: Parameter{
Type: MapType,
Value: []ParameterPair{
{
Key: Parameter{Type: StringType, Value: "key1"},
Value: Parameter{Type: ArrayType, Value: []Parameter{
{Type: StringType, Value: "str 1"},
{Type: IntegerType, Value: int64(2)},
}},
},
},
},
result: `{"type":"Map","value":[{"key":{"type":"String","value":"key1"},"value":{"type":"Array","value":[{"type":"String","value":"str 1"},{"type":"Integer","value":2}]}}]}`,
},
{
input: Parameter{
Type: Hash160Type,
Value: util.Uint160{
0xd6, 0x24, 0x87, 0x12, 0xff, 0x97, 0x22, 0x80, 0xa0, 0xae,
0xf5, 0x24, 0x1c, 0x96, 0x4d, 0x63, 0x78, 0x29, 0xcd, 0xb,
},
},
result: `{"type":"Hash160","value":"0x0bcd2978634d961c24f5aea0802297ff128724d6"}`,
},
{
input: Parameter{
Type: Hash256Type,
Value: util.Uint256{
0x2d, 0xf3, 0x45, 0xf2, 0x45, 0xc5, 0x98, 0x9e,
0x69, 0x95, 0x45, 0x06, 0xa5, 0x9e, 0x40, 0x12,
0xc1, 0x68, 0x54, 0x48, 0x08, 0xfc, 0xcc, 0x5b,
0x15, 0x18, 0xab, 0xa0, 0x8f, 0x30, 0x37, 0xf0,
},
},
result: `{"type":"Hash256","value":"0xf037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"}`,
},
{
input: Parameter{
Type: InteropInterfaceType,
Value: nil,
},
result: `{"type":"InteropInterface","value":null}`,
},
}
var marshalJSONErrorCases = []Parameter{
{
Type: UnknownType,
Value: nil,
},
{
Type: IntegerType,
Value: math.Inf(1),
},
}
func TestParam_MarshalJSON(t *testing.T) {
for _, tc := range marshalJSONTestCases {
res, err := json.Marshal(&tc.input)
assert.NoError(t, err)
var actual, expected Parameter
assert.NoError(t, json.Unmarshal(res, &actual))
assert.NoError(t, json.Unmarshal([]byte(tc.result), &expected))
assert.Equal(t, expected, actual)
}
for _, input := range marshalJSONErrorCases {
_, err := json.Marshal(&input)
assert.Error(t, err)
}
}
var unmarshalJSONTestCases = []struct {
input string
result Parameter
}{
{
input: `{"type":"Bool","value":true}`,
result: Parameter{Type: BoolType, Value: true},
},
{
input: `{"type":"Integer","value":12345}`,
result: Parameter{Type: IntegerType, Value: int64(12345)},
},
{
input: `{"type":"Integer","value":"12345"}`,
result: Parameter{Type: IntegerType, Value: int64(12345)},
},
{
input: `{"type":"ByteArray","value":"010203"}`,
result: Parameter{Type: ByteArrayType, Value: []byte{0x01, 0x02, 0x03}},
},
{
input: `{"type":"String","value":"Some string"}`,
result: Parameter{Type: StringType, Value: "Some string"},
},
{
input: `{"type":"Array","value":[
{"type": "String", "value": "str 1"},
{"type": "Integer", "value": 2}]}`,
result: Parameter{
Type: ArrayType,
Value: []Parameter{
{Type: StringType, Value: "str 1"},
{Type: IntegerType, Value: int64(2)},
},
},
},
{
input: `{"type": "Hash160", "value": "0bcd2978634d961c24f5aea0802297ff128724d6"}`,
result: Parameter{
Type: Hash160Type,
Value: util.Uint160{
0xd6, 0x24, 0x87, 0x12, 0xff, 0x97, 0x22, 0x80, 0xa0, 0xae,
0xf5, 0x24, 0x1c, 0x96, 0x4d, 0x63, 0x78, 0x29, 0xcd, 0xb,
},
},
},
{
input: `{"type": "Hash256", "value": "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"}`,
result: Parameter{
Type: Hash256Type,
Value: util.Uint256{
0x2d, 0xf3, 0x45, 0xf2, 0x45, 0xc5, 0x98, 0x9e,
0x69, 0x95, 0x45, 0x06, 0xa5, 0x9e, 0x40, 0x12,
0xc1, 0x68, 0x54, 0x48, 0x08, 0xfc, 0xcc, 0x5b,
0x15, 0x18, 0xab, 0xa0, 0x8f, 0x30, 0x37, 0xf0,
},
},
},
{
input: `{"type":"Map","value":[{"key":{"type":"String","value":"key1"},"value":{"type":"Integer","value":1}},{"key":{"type":"String","value":"key2"},"value":{"type":"String","value":"two"}}]}`,
result: Parameter{
Type: MapType,
Value: []ParameterPair{
{
Key: Parameter{Type: StringType, Value: "key1"},
Value: Parameter{Type: IntegerType, Value: int64(1)},
},
{
Key: Parameter{Type: StringType, Value: "key2"},
Value: Parameter{Type: StringType, Value: "two"},
},
},
},
},
{
input: `{"type":"Map","value":[{"key":{"type":"String","value":"key1"},"value":{"type":"Array","value":[{"type":"String","value":"str 1"},{"type":"Integer","value":2}]}}]}`,
result: Parameter{
Type: MapType,
Value: []ParameterPair{
{
Key: Parameter{Type: StringType, Value: "key1"},
Value: Parameter{Type: ArrayType, Value: []Parameter{
{Type: StringType, Value: "str 1"},
{Type: IntegerType, Value: int64(2)},
}},
},
},
},
},
{
result: Parameter{
Type: PublicKeyType,
Value: []byte{0x03, 0xb3, 0xbf, 0x15, 0x02, 0xfb, 0xdc, 0x05, 0x44, 0x9b, 0x50, 0x6a, 0xaf, 0x04, 0x57, 0x97, 0x24, 0x02, 0x4b, 0x06, 0x54, 0x2e, 0x49, 0x26, 0x2b, 0xfa, 0xa3, 0xf7, 0x0e, 0x20, 0x00, 0x40, 0xa9},
},
input: `{"type":"PublicKey","value":"03b3bf1502fbdc05449b506aaf04579724024b06542e49262bfaa3f70e200040a9"}`,
},
{
input: `{"type":"InteropInterface","value":null}`,
result: Parameter{
Type: InteropInterfaceType,
Value: nil,
},
},
{
input: `{"type":"InteropInterface","value":""}`,
result: Parameter{
Type: InteropInterfaceType,
Value: nil,
},
},
{
input: `{"type":"InteropInterface","value":"Hundertwasser"}`,
result: Parameter{
Type: InteropInterfaceType,
Value: nil,
},
},
}
var unmarshalJSONErrorCases = []string{
`{"type": "ByteArray","value":`, // incorrect JSON
`{"type": "ByteArray","value":1}`, // incorrect Value
`{"type": "ByteArray","value":"12zz"}`, // incorrect ByteArray value
`{"type": "String","value":`, // incorrect JSON
`{"type": "String","value":1}`, // incorrect Value
`{"type": "Integer","value": "nn"}`, // incorrect Integer value
`{"type": "Integer","value": []}`, // incorrect Integer value
`{"type": "Array","value": 123}`, // incorrect Array value
`{"type": "Hash160","value": "0bcd"}`, // incorrect Uint160 value
`{"type": "Hash256","value": "0bcd"}`, // incorrect Uint256 value
`{"type": "Stringg","value": ""}`, // incorrect type
`{"type": {},"value": ""}`, // incorrect value
`{"type": "Boolean","value": qwerty}`, // incorrect Bool value
`{"type": "Boolean","value": ""}`, // incorrect Bool value
`{"type": "Map","value": ["key": {}]}`, // incorrect Map value
`{"type": "Map","value": ["key": {"type":"String", "value":"qwer"}, "value": {"type":"Boolean"}]}`, // incorrect Map Value value
`{"type": "Map","value": ["key": {"type":"String"}, "value": {"type":"Boolean", "value":true}]}`, // incorrect Map Key value
}
func TestParam_UnmarshalJSON(t *testing.T) {
var s Parameter
for _, tc := range unmarshalJSONTestCases {
assert.NoError(t, json.Unmarshal([]byte(tc.input), &s))
assert.Equal(t, s, tc.result)
}
for _, input := range unmarshalJSONErrorCases {
assert.Error(t, json.Unmarshal([]byte(input), &s))
}
}
var tryParseTestCases = []struct {
input interface{}
expected interface{}
}{
{
input: []byte{
0x0b, 0xcd, 0x29, 0x78, 0x63, 0x4d, 0x96, 0x1c, 0x24, 0xf5,
0xae, 0xa0, 0x80, 0x22, 0x97, 0xff, 0x12, 0x87, 0x24, 0xd6,
},
expected: util.Uint160{
0x0b, 0xcd, 0x29, 0x78, 0x63, 0x4d, 0x96, 0x1c, 0x24, 0xf5,
0xae, 0xa0, 0x80, 0x22, 0x97, 0xff, 0x12, 0x87, 0x24, 0xd6,
},
},
{
input: []byte{
0xf0, 0x37, 0x30, 0x8f, 0xa0, 0xab, 0x18, 0x15,
0x5b, 0xcc, 0xfc, 0x08, 0x48, 0x54, 0x68, 0xc1,
0x12, 0x40, 0x9e, 0xa5, 0x06, 0x45, 0x95, 0x69,
0x9e, 0x98, 0xc5, 0x45, 0xf2, 0x45, 0xf3, 0x2d,
},
expected: util.Uint256{
0x2d, 0xf3, 0x45, 0xf2, 0x45, 0xc5, 0x98, 0x9e,
0x69, 0x95, 0x45, 0x06, 0xa5, 0x9e, 0x40, 0x12,
0xc1, 0x68, 0x54, 0x48, 0x08, 0xfc, 0xcc, 0x5b,
0x15, 0x18, 0xab, 0xa0, 0x8f, 0x30, 0x37, 0xf0,
},
},
{
input: []byte{0, 1, 2, 3, 4, 9, 8, 6},
expected: []byte{0, 1, 2, 3, 4, 9, 8, 6},
},
{
input: []byte{0x63, 0x78, 0x29, 0xcd, 0x0b},
expected: int64(50686687331),
},
{
input: []byte("this is a test string"),
expected: "this is a test string",
},
}
func TestParam_TryParse(t *testing.T) {
for _, tc := range tryParseTestCases {
t.Run(reflect.TypeOf(tc.expected).String(), func(t *testing.T) {
input := Parameter{
Type: ByteArrayType,
Value: tc.input,
}
val := reflect.New(reflect.TypeOf(tc.expected))
assert.NoError(t, input.TryParse(val.Interface()))
assert.Equal(t, tc.expected, val.Elem().Interface())
})
}
t.Run("[]Uint160", func(t *testing.T) {
exp1 := util.Uint160{1, 2, 3, 4, 5}
exp2 := util.Uint160{9, 8, 7, 6, 5}
params := Params{
{
Type: ByteArrayType,
Value: exp1.BytesBE(),
},
{
Type: ByteArrayType,
Value: exp2.BytesBE(),
},
}
var out1, out2 util.Uint160
assert.NoError(t, params.TryParseArray(&out1, &out2))
assert.Equal(t, exp1, out1)
assert.Equal(t, exp2, out2)
})
}
func TestParamType_String(t *testing.T) {
types := []ParamType{
SignatureType,
BoolType,
IntegerType,
Hash160Type,
Hash256Type,
ByteArrayType,
PublicKeyType,
StringType,
ArrayType,
InteropInterfaceType,
MapType,
VoidType,
}
for _, exp := range types {
actual, err := ParseParamType(exp.String())
assert.NoError(t, err)
assert.Equal(t, exp, actual)
}
actual, err := ParseParamType(UnknownType.String())
assert.Error(t, err)
assert.Equal(t, UnknownType, actual)
}
func TestNewParameterFromString(t *testing.T) {
var inouts = []struct {
in string
out Parameter
err bool
}{{
in: "qwerty",
out: Parameter{StringType, "qwerty"},
}, {
in: "42",
out: Parameter{IntegerType, int64(42)},
}, {
in: "Hello, 世界",
out: Parameter{StringType, "Hello, 世界"},
}, {
in: `\4\2`,
out: Parameter{IntegerType, int64(42)},
}, {
in: `\\4\2`,
out: Parameter{StringType, `\42`},
}, {
in: `\\\4\2`,
out: Parameter{StringType, `\42`},
}, {
in: "int:42",
out: Parameter{IntegerType, int64(42)},
}, {
in: "true",
out: Parameter{BoolType, true},
}, {
in: "string:true",
out: Parameter{StringType, "true"},
}, {
in: "\xfe\xff",
err: true,
}, {
in: `string\:true`,
out: Parameter{StringType, "string:true"},
}, {
in: "string:true:true",
out: Parameter{StringType, "true:true"},
}, {
in: `string\\:true`,
err: true,
}, {
in: `qwerty:asdf`,
err: true,
}, {
in: `bool:asdf`,
err: true,
}, {
in: `InteropInterface:123`,
err: true,
}, {
in: `Map:[]`,
err: true,
}}
for _, inout := range inouts {
out, err := NewParameterFromString(inout.in)
if inout.err {
assert.NotNil(t, err, "should error on '%s' input", inout.in)
} else {
assert.Nil(t, err, "shouldn't error on '%s' input", inout.in)
assert.Equal(t, inout.out, *out, "bad output for '%s' input", inout.in)
}
}
}
func TestEncodeDecodeBinary(t *testing.T) {
for _, tc := range marshalJSONTestCases {
testserdes.EncodeDecodeBinary(t, &tc.input, new(Parameter))
}
t.Run("unknown", func(t *testing.T) {
p := Parameter{Type: UnknownType}
_, err := testserdes.EncodeBinary(&p)
require.Error(t, err)
require.Error(t, testserdes.DecodeBinary([]byte{0xAA}, &p))
})
}