plugeth/accounts/abi/error.go
RJ Catalano 5421a08d2f accounts/abi: reorganizing package with small fixes (#14610)
* accounts/abi: reorganizing package and some notes and a quick correction of name.

Signed-off-by: RJ Catalano <rj@monax.io>

get rid of some imports

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: move file names

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: fix boolean decode function

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: fix for the array set and for creating a bool

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: be very very very correct

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: fix up error message and variable names

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: take out unnecessary argument in pack method

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: add bool unpack test and add a panic to readBool function

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: fix panic message

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: change from panic to basic error

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: fix nil to false

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: fill out type regex tests and fill with the correct type for integers

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: move packNumbers into pack.go.

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: separation of the testing suite into appropriately named files.

Signed-off-by: RJ Catalano <rj@monax.io>

* account/abi: change to hex string tests.

Signed-off-by: RJ Catalano <rj@monax.io>

* account/abi: fix up rest of tests to hex

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: declare bool at the package level

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: use errors package in the error file.

Signed-off-by: RJ Catalano <rj@monax.io>

* accounts/abi: fix ugly hack and fix error type declaration.

Signed-off-by: RJ Catalano <rj@monax.io>
2017-06-27 11:05:33 +03:00

85 lines
2.6 KiB
Go

// Copyright 2016 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 (
"errors"
"fmt"
"reflect"
)
var (
errBadBool = errors.New("abi: improperly encoded boolean value")
)
// formatSliceString formats the reflection kind with the given slice size
// and returns a formatted string representation.
func formatSliceString(kind reflect.Kind, sliceSize int) string {
if sliceSize == -1 {
return fmt.Sprintf("[]%v", kind)
}
return fmt.Sprintf("[%d]%v", sliceSize, kind)
}
// sliceTypeCheck checks that the given slice can by assigned to the reflection
// 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()))
}
if t.Elem.IsSlice {
if val.Len() > 0 {
return sliceTypeCheck(*t.Elem, val.Index(0))
}
} else if t.Elem.IsArray {
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 nil
}
// 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 {
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())
}
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.
func typeErr(expected, got interface{}) error {
return fmt.Errorf("abi: cannot use %v as type %v as argument", got, expected)
}