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https://gitlab.com/pulsechaincom/erigon-pulse.git
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Merge pull request #3533 from karalabe/modum-io-develop-2
accounts/abi: support custom int slice types
This commit is contained in:
Péter Szilágyi
GitHub
commit
88cc1ca55a
@ -91,8 +91,30 @@ func toGoSlice(i int, t Argument, output []byte) (interface{}, error) {
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// first we need to create a slice of the type
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var refSlice reflect.Value
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switch elem.T {
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case IntTy, UintTy, BoolTy: // int, uint, bool can all be of type big int.
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refSlice = reflect.ValueOf([]*big.Int(nil))
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case IntTy, UintTy, BoolTy:
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// create a new reference slice matching the element type
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switch t.Type.Kind {
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case reflect.Bool:
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refSlice = reflect.ValueOf([]bool(nil))
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case reflect.Uint8:
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refSlice = reflect.ValueOf([]uint8(nil))
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case reflect.Uint16:
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refSlice = reflect.ValueOf([]uint16(nil))
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case reflect.Uint32:
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refSlice = reflect.ValueOf([]uint32(nil))
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case reflect.Uint64:
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refSlice = reflect.ValueOf([]uint64(nil))
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case reflect.Int8:
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refSlice = reflect.ValueOf([]int8(nil))
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case reflect.Int16:
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refSlice = reflect.ValueOf([]int16(nil))
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case reflect.Int32:
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refSlice = reflect.ValueOf([]int32(nil))
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case reflect.Int64:
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refSlice = reflect.ValueOf([]int64(nil))
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default:
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refSlice = reflect.ValueOf([]*big.Int(nil))
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}
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case AddressTy: // address must be of slice Address
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refSlice = reflect.ValueOf([]common.Address(nil))
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case HashTy: // hash must be of slice hash
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@ -147,7 +169,27 @@ func toGoSlice(i int, t Argument, output []byte) (interface{}, error) {
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// set inter to the correct type (cast)
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switch elem.T {
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case IntTy, UintTy:
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inter = common.BytesToBig(returnOutput)
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bigNum := common.BytesToBig(returnOutput)
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switch t.Type.Kind {
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case reflect.Uint8:
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inter = uint8(bigNum.Uint64())
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case reflect.Uint16:
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inter = uint16(bigNum.Uint64())
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case reflect.Uint32:
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inter = uint32(bigNum.Uint64())
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case reflect.Uint64:
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inter = bigNum.Uint64()
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case reflect.Int8:
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inter = int8(bigNum.Int64())
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case reflect.Int16:
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inter = int16(bigNum.Int64())
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case reflect.Int32:
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inter = int32(bigNum.Int64())
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case reflect.Int64:
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inter = bigNum.Int64()
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default:
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inter = common.BytesToBig(returnOutput)
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}
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case BoolTy:
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inter = common.BytesToBig(returnOutput).Uint64() > 0
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case AddressTy:
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@ -332,6 +332,30 @@ func TestUnpackSetInterfaceSlice(t *testing.T) {
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}
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}
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func TestUnpackSetInterfaceArrayOutput(t *testing.T) {
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var (
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var1 = new([1]uint32)
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var2 = new([1]uint32)
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)
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out := []interface{}{var1, var2}
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abi, err := JSON(strings.NewReader(`[{"type":"function", "name":"ints", "outputs":[{"type":"uint32[1]"}, {"type":"uint32[1]"}]}]`))
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if err != nil {
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t.Fatal(err)
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}
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marshalledReturn := append(pad([]byte{1}, 32, true), pad([]byte{2}, 32, true)...)
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err = abi.Unpack(&out, "ints", marshalledReturn)
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if err != nil {
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t.Fatal(err)
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}
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if *var1 != [1]uint32{1} {
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t.Error("expected var1 to be [1], got", *var1)
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}
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if *var2 != [1]uint32{2} {
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t.Error("expected var2 to be [2], got", *var2)
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}
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}
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func TestPack(t *testing.T) {
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for i, test := range []struct {
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typ string
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@ -91,7 +91,12 @@ func NewType(t string) (typ Type, err error) {
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}
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typ.Elem = &sliceType
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typ.stringKind = sliceType.stringKind + t[len(res[1]):]
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return typ, nil
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// Altough we know that this is an array, we cannot return
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// as we don't know the type of the element, however, if it
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// is still an array, then don't determine the type.
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if typ.Elem.IsArray || typ.Elem.IsSlice {
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return typ, nil
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}
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}
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// parse the type and size of the abi-type.
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@ -112,7 +117,12 @@ func NewType(t string) (typ Type, err error) {
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varSize = 256
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t += "256"
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}
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typ.stringKind = t
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// only set stringKind if not array or slice, as for those,
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// the correct string type has been set
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if !(typ.IsArray || typ.IsSlice) {
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typ.stringKind = t
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}
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switch varType {
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case "int":
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@ -34,17 +34,17 @@ func TestTypeRegexp(t *testing.T) {
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{"int", Type{Kind: reflect.Ptr, Type: big_t, Size: 256, T: IntTy, stringKind: "int256"}},
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{"int8", Type{Kind: reflect.Int8, Type: big_t, Size: 8, T: IntTy, stringKind: "int8"}},
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{"int256", Type{Kind: reflect.Ptr, Type: big_t, Size: 256, T: IntTy, stringKind: "int256"}},
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{"int[]", Type{IsSlice: true, SliceSize: -1, Elem: &Type{Kind: reflect.Ptr, Type: big_t, Size: 256, T: IntTy, stringKind: "int256"}, stringKind: "int256[]"}},
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{"int[2]", Type{IsArray: true, SliceSize: 2, Elem: &Type{Kind: reflect.Ptr, Type: big_t, Size: 256, T: IntTy, stringKind: "int256"}, stringKind: "int256[2]"}},
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{"int32[]", Type{IsSlice: true, SliceSize: -1, Elem: &Type{Kind: reflect.Int32, Type: big_t, Size: 32, T: IntTy, stringKind: "int32"}, stringKind: "int32[]"}},
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{"int32[2]", Type{IsArray: true, SliceSize: 2, Elem: &Type{Kind: reflect.Int32, Type: big_t, Size: 32, T: IntTy, stringKind: "int32"}, stringKind: "int32[2]"}},
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{"int[]", Type{IsSlice: true, SliceSize: -1, Kind: reflect.Ptr, Type: big_t, Size: 256, T: IntTy, Elem: &Type{Kind: reflect.Ptr, Type: big_t, Size: 256, T: IntTy, stringKind: "int256"}, stringKind: "int256[]"}},
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{"int[2]", Type{IsArray: true, SliceSize: 2, Kind: reflect.Ptr, Type: big_t, Size: 256, T: IntTy, Elem: &Type{Kind: reflect.Ptr, Type: big_t, Size: 256, T: IntTy, stringKind: "int256"}, stringKind: "int256[2]"}},
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{"int32[]", Type{IsSlice: true, SliceSize: -1, Kind: reflect.Int32, Type: big_t, Size: 32, T: IntTy, Elem: &Type{Kind: reflect.Int32, Type: big_t, Size: 32, T: IntTy, stringKind: "int32"}, stringKind: "int32[]"}},
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{"int32[2]", Type{IsArray: true, SliceSize: 2, Kind: reflect.Int32, Type: big_t, Size: 32, T: IntTy, Elem: &Type{Kind: reflect.Int32, Type: big_t, Size: 32, T: IntTy, stringKind: "int32"}, stringKind: "int32[2]"}},
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{"uint", Type{Kind: reflect.Ptr, Type: ubig_t, Size: 256, T: UintTy, stringKind: "uint256"}},
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{"uint8", Type{Kind: reflect.Uint8, Type: ubig_t, Size: 8, T: UintTy, stringKind: "uint8"}},
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{"uint256", Type{Kind: reflect.Ptr, Type: ubig_t, Size: 256, T: UintTy, stringKind: "uint256"}},
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{"uint[]", Type{IsSlice: true, SliceSize: -1, Elem: &Type{Kind: reflect.Ptr, Type: ubig_t, Size: 256, T: UintTy, stringKind: "uint256"}, stringKind: "uint256[]"}},
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{"uint[2]", Type{IsArray: true, SliceSize: 2, Elem: &Type{Kind: reflect.Ptr, Type: ubig_t, Size: 256, T: UintTy, stringKind: "uint256"}, stringKind: "uint256[2]"}},
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{"uint32[]", Type{IsSlice: true, SliceSize: -1, Elem: &Type{Kind: reflect.Uint32, Type: big_t, Size: 32, T: UintTy, stringKind: "uint32"}, stringKind: "uint32[]"}},
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{"uint32[2]", Type{IsArray: true, SliceSize: 2, Elem: &Type{Kind: reflect.Uint32, Type: big_t, Size: 32, T: UintTy, stringKind: "uint32"}, stringKind: "uint32[2]"}},
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{"uint[]", Type{IsSlice: true, SliceSize: -1, Kind: reflect.Ptr, Type: ubig_t, Size: 256, T: UintTy, Elem: &Type{Kind: reflect.Ptr, Type: ubig_t, Size: 256, T: UintTy, stringKind: "uint256"}, stringKind: "uint256[]"}},
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{"uint[2]", Type{IsArray: true, SliceSize: 2, Kind: reflect.Ptr, Type: ubig_t, Size: 256, T: UintTy, Elem: &Type{Kind: reflect.Ptr, Type: ubig_t, Size: 256, T: UintTy, stringKind: "uint256"}, stringKind: "uint256[2]"}},
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{"uint32[]", Type{IsSlice: true, SliceSize: -1, Kind: reflect.Uint32, Type: ubig_t, Size: 32, T: UintTy, Elem: &Type{Kind: reflect.Uint32, Type: big_t, Size: 32, T: UintTy, stringKind: "uint32"}, stringKind: "uint32[]"}},
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{"uint32[2]", Type{IsArray: true, SliceSize: 2, Kind: reflect.Uint32, Type: ubig_t, Size: 32, T: UintTy, Elem: &Type{Kind: reflect.Uint32, Type: big_t, Size: 32, T: UintTy, stringKind: "uint32"}, stringKind: "uint32[2]"}},
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{"bytes", Type{IsSlice: true, SliceSize: -1, Elem: &Type{Kind: reflect.Uint8, Type: ubig_t, Size: 8, T: UintTy, stringKind: "uint8"}, T: BytesTy, stringKind: "bytes"}},
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{"bytes32", Type{IsArray: true, SliceSize: 32, Elem: &Type{Kind: reflect.Uint8, Type: ubig_t, Size: 8, T: UintTy, stringKind: "uint8"}, T: FixedBytesTy, stringKind: "bytes32"}},
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{"bytes[]", Type{IsSlice: true, SliceSize: -1, Elem: &Type{IsSlice: true, SliceSize: -1, Elem: &Type{Kind: reflect.Uint8, Type: ubig_t, Size: 8, T: UintTy, stringKind: "uint8"}, T: BytesTy, stringKind: "bytes"}, stringKind: "bytes[]"}},
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@ -52,11 +52,11 @@ func TestTypeRegexp(t *testing.T) {
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{"bytes32[]", Type{IsSlice: true, SliceSize: -1, Elem: &Type{IsArray: true, SliceSize: 32, Elem: &Type{Kind: reflect.Uint8, Type: ubig_t, Size: 8, T: UintTy, stringKind: "uint8"}, T: FixedBytesTy, stringKind: "bytes32"}, stringKind: "bytes32[]"}},
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{"bytes32[2]", Type{IsArray: true, SliceSize: 2, Elem: &Type{IsArray: true, SliceSize: 32, Elem: &Type{Kind: reflect.Uint8, Type: ubig_t, Size: 8, T: UintTy, stringKind: "uint8"}, T: FixedBytesTy, stringKind: "bytes32"}, stringKind: "bytes32[2]"}},
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{"string", Type{Kind: reflect.String, Size: -1, T: StringTy, stringKind: "string"}},
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{"string[]", Type{IsSlice: true, SliceSize: -1, Elem: &Type{Kind: reflect.String, Size: -1, T: StringTy, stringKind: "string"}, stringKind: "string[]"}},
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{"string[2]", Type{IsArray: true, SliceSize: 2, Elem: &Type{Kind: reflect.String, Size: -1, T: StringTy, stringKind: "string"}, stringKind: "string[2]"}},
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{"string[]", Type{IsSlice: true, SliceSize: -1, Kind: reflect.String, T: StringTy, Size: -1, Elem: &Type{Kind: reflect.String, T: StringTy, Size: -1, stringKind: "string"}, stringKind: "string[]"}},
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{"string[2]", Type{IsArray: true, SliceSize: 2, Kind: reflect.String, T: StringTy, Size: -1, Elem: &Type{Kind: reflect.String, T: StringTy, Size: -1, stringKind: "string"}, stringKind: "string[2]"}},
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{"address", Type{Kind: reflect.Array, Type: address_t, Size: 20, T: AddressTy, stringKind: "address"}},
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{"address[]", Type{IsSlice: true, SliceSize: -1, Elem: &Type{Kind: reflect.Array, Type: address_t, Size: 20, T: AddressTy, stringKind: "address"}, stringKind: "address[]"}},
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{"address[2]", Type{IsArray: true, SliceSize: 2, Elem: &Type{Kind: reflect.Array, Type: address_t, Size: 20, T: AddressTy, stringKind: "address"}, stringKind: "address[2]"}},
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{"address[]", Type{IsSlice: true, SliceSize: -1,Kind: reflect.Array, Type:address_t, T: AddressTy, Size:20, Elem: &Type{Kind: reflect.Array, Type: address_t, Size: 20, T: AddressTy, stringKind: "address"}, stringKind: "address[]"}},
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{"address[2]", Type{IsArray: true, SliceSize: 2,Kind: reflect.Array, Type:address_t, T: AddressTy, Size:20, Elem: &Type{Kind: reflect.Array, Type: address_t, Size: 20, T: AddressTy, stringKind: "address"}, stringKind: "address[2]"}},
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// TODO when fixed types are implemented properly
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// {"fixed", Type{}},
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