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accounts/abi: improve type handling, add event support (#14743)

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This commit is contained in:
RJ Catalano
2017-10-17 06:07:08 -05:00
committed by Felix Lange
parent e9295163aa
commit dec8bba9d4
15 changed files with 906 additions and 850 deletions
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26
accounts/abi/error.go
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@ -39,22 +39,23 @@ func formatSliceString(kind reflect.Kind, sliceSize int) string {
// type in t.
func sliceTypeCheck(t Type, val reflect.Value) error {
if val.Kind() != reflect.Slice && val.Kind() != reflect.Array {
return typeErr(formatSliceString(t.Kind, t.SliceSize), val.Type())
}
if t.IsArray && val.Len() != t.SliceSize {
return typeErr(formatSliceString(t.Elem.Kind, t.SliceSize), formatSliceString(val.Type().Elem().Kind(), val.Len()))
return typeErr(formatSliceString(t.Kind, t.Size), val.Type())
}
if t.Elem.IsSlice {
if t.T == ArrayTy && val.Len() != t.Size {
return typeErr(formatSliceString(t.Elem.Kind, t.Size), formatSliceString(val.Type().Elem().Kind(), val.Len()))
}
if t.Elem.T == SliceTy {
if val.Len() > 0 {
return sliceTypeCheck(*t.Elem, val.Index(0))
}
} else if t.Elem.IsArray {
} else if t.Elem.T == ArrayTy {
return sliceTypeCheck(*t.Elem, val.Index(0))
}
if elemKind := val.Type().Elem().Kind(); elemKind != t.Elem.Kind {
return typeErr(formatSliceString(t.Elem.Kind, t.SliceSize), val.Type())
return typeErr(formatSliceString(t.Elem.Kind, t.Size), val.Type())
}
return nil
}
@ -62,20 +63,19 @@ func sliceTypeCheck(t Type, val reflect.Value) error {
// typeCheck checks that the given reflection value can be assigned to the reflection
// type in t.
func typeCheck(t Type, value reflect.Value) error {
if t.IsSlice || t.IsArray {
if t.T == SliceTy || t.T == ArrayTy {
return sliceTypeCheck(t, value)
}
// Check base type validity. Element types will be checked later on.
if t.Kind != value.Kind() {
return typeErr(t.Kind, value.Kind())
} else if t.T == FixedBytesTy && t.Size != value.Len() {
return typeErr(t.Type, value.Type())
} else {
return nil
}
return nil
}
// varErr returns a formatted error.
func varErr(expected, got reflect.Kind) error {
return typeErr(expected, got)
}
// typeErr returns a formatted type casting error.