forked from cerc-io/plugeth
accounts/abi: address review concerns
This commit is contained in:
parent
f0f594d045
commit
08c5d4dd27
@ -142,5 +142,5 @@ func (abi *ABI) MethodById(sigdata []byte) (*Method, error) {
|
||||
return &method, nil
|
||||
}
|
||||
}
|
||||
return nil, fmt.Errorf("ABI spec does not contain method signature in data: 0x%x", sigdata[:4])
|
||||
return nil, fmt.Errorf("no method with id: %#x", sigdata[:4])
|
||||
}
|
||||
|
@ -691,7 +691,7 @@ func TestABI_MethodById(t *testing.T) {
|
||||
a := fmt.Sprintf("%v", m)
|
||||
m2, err := abi.MethodById(m.Id())
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
t.Fatalf("Failed to look up ABI method: %v", err)
|
||||
}
|
||||
b := fmt.Sprintf("%v", m2)
|
||||
if a != b {
|
||||
|
@ -67,6 +67,7 @@ func (arguments Arguments) LengthNonIndexed() int {
|
||||
return out
|
||||
}
|
||||
|
||||
// NonIndexed returns the arguments with indexed arguments filtered out
|
||||
func (arguments Arguments) NonIndexed() Arguments {
|
||||
var ret []Argument
|
||||
for _, arg := range arguments {
|
||||
@ -89,12 +90,10 @@ func (arguments Arguments) Unpack(v interface{}, data []byte) error {
|
||||
if reflect.Ptr != reflect.ValueOf(v).Kind() {
|
||||
return fmt.Errorf("abi: Unpack(non-pointer %T)", v)
|
||||
}
|
||||
|
||||
marshalledValues, err := arguments.UnpackValues(data)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if arguments.isTuple() {
|
||||
return arguments.unpackTuple(v, marshalledValues)
|
||||
}
|
||||
@ -162,11 +161,9 @@ func (arguments Arguments) unpackTuple(v interface{}, marshalledValues []interfa
|
||||
|
||||
// unpackAtomic unpacks ( hexdata -> go ) a single value
|
||||
func (arguments Arguments) unpackAtomic(v interface{}, marshalledValues []interface{}) error {
|
||||
|
||||
if len(marshalledValues) != 1 {
|
||||
return fmt.Errorf("abi: wrong length, expected single value, got %d", len(marshalledValues))
|
||||
}
|
||||
|
||||
elem := reflect.ValueOf(v).Elem()
|
||||
reflectValue := reflect.ValueOf(marshalledValues[0])
|
||||
return set(elem, reflectValue, arguments.NonIndexed()[0])
|
||||
@ -176,24 +173,18 @@ func (arguments Arguments) unpackAtomic(v interface{}, marshalledValues []interf
|
||||
// without supplying a struct to unpack into. Instead, this method returns a list containing the
|
||||
// values. An atomic argument will be a list with one element.
|
||||
func (arguments Arguments) UnpackValues(data []byte) ([]interface{}, error) {
|
||||
|
||||
retval := make([]interface{}, 0, arguments.LengthNonIndexed())
|
||||
|
||||
virtualArgs := 0
|
||||
|
||||
for index, arg := range arguments.NonIndexed() {
|
||||
|
||||
marshalledValue, err := toGoType((index+virtualArgs)*32, arg.Type, data)
|
||||
|
||||
if arg.Type.T == ArrayTy {
|
||||
//If we have a static array, like [3]uint256, these are coded as
|
||||
// If we have a static array, like [3]uint256, these are coded as
|
||||
// just like uint256,uint256,uint256.
|
||||
// This means that we need to add two 'virtual' arguments when
|
||||
// we count the index from now on
|
||||
|
||||
virtualArgs += arg.Type.Size - 1
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -202,7 +193,7 @@ func (arguments Arguments) UnpackValues(data []byte) ([]interface{}, error) {
|
||||
return retval, nil
|
||||
}
|
||||
|
||||
// UnpackValues performs the operation Go format -> Hexdata
|
||||
// PackValues performs the operation Go format -> Hexdata
|
||||
// It is the semantic opposite of UnpackValues
|
||||
func (arguments Arguments) PackValues(args []interface{}) ([]byte, error) {
|
||||
return arguments.Pack(args...)
|
||||
@ -215,7 +206,6 @@ func (arguments Arguments) Pack(args ...interface{}) ([]byte, error) {
|
||||
if len(args) != len(abiArgs) {
|
||||
return nil, fmt.Errorf("argument count mismatch: %d for %d", len(args), len(abiArgs))
|
||||
}
|
||||
|
||||
// variable input is the output appended at the end of packed
|
||||
// output. This is used for strings and bytes types input.
|
||||
var variableInput []byte
|
||||
@ -229,7 +219,6 @@ func (arguments Arguments) Pack(args ...interface{}) ([]byte, error) {
|
||||
inputOffset += 32
|
||||
}
|
||||
}
|
||||
|
||||
var ret []byte
|
||||
for i, a := range args {
|
||||
input := abiArgs[i]
|
||||
@ -238,7 +227,6 @@ func (arguments Arguments) Pack(args ...interface{}) ([]byte, error) {
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// check for a slice type (string, bytes, slice)
|
||||
if input.Type.requiresLengthPrefix() {
|
||||
// calculate the offset
|
||||
|
@ -1,335 +0,0 @@
|
||||
// Copyright 2015 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 (
|
||||
"bytes"
|
||||
"encoding/hex"
|
||||
"fmt"
|
||||
"math/big"
|
||||
"reflect"
|
||||
"strconv"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
)
|
||||
|
||||
func TestUnpackV2(t *testing.T) {
|
||||
for i, test := range unpackTests {
|
||||
t.Run(strconv.Itoa(i), func(t *testing.T) {
|
||||
def := fmt.Sprintf(`[{ "name" : "method", "outputs": %s}]`, test.def)
|
||||
abi, err := JSON(strings.NewReader(def))
|
||||
if err != nil {
|
||||
t.Fatalf("invalid ABI definition %s: %v", def, err)
|
||||
}
|
||||
encb, err := hex.DecodeString(test.enc)
|
||||
if err != nil {
|
||||
t.Fatalf("invalid hex: %s" + test.enc)
|
||||
}
|
||||
out, err := abi.Methods["method"].Outputs.UnpackValues(encb)
|
||||
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if len(test.err) != 0 {
|
||||
// The new stuff doesn't have these types of errors
|
||||
return
|
||||
}
|
||||
if !reflect.DeepEqual(test.want, out[0]) {
|
||||
t.Errorf("test %d (%v) failed: expected %v, got %v", i, test.def, test.want, out[0])
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestMultiReturnWithArrayV2(t *testing.T) {
|
||||
const definition = `[{"name" : "multi", "outputs": [{"type": "uint64[3]"}, {"type": "uint64"}]}]`
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
buff := new(bytes.Buffer)
|
||||
buff.Write(common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000900000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000007"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000006"))
|
||||
|
||||
out, err := abi.Methods["multi"].Outputs.UnpackValues(buff.Bytes())
|
||||
|
||||
ret1Exp := [3]uint64{9, 8, 7}
|
||||
ret2Exp := uint64(6)
|
||||
|
||||
if !reflect.DeepEqual(out[0], ret1Exp) {
|
||||
t.Error("array result", out[0], "!= Expected", ret1Exp)
|
||||
}
|
||||
if out[1] != ret2Exp {
|
||||
t.Error("int result", out[1], "!= Expected", ret2Exp)
|
||||
}
|
||||
}
|
||||
|
||||
func TestUnmarshalV2(t *testing.T) {
|
||||
const definition = `[
|
||||
{ "name" : "int", "constant" : false, "outputs": [ { "type": "uint256" } ] },
|
||||
{ "name" : "bool", "constant" : false, "outputs": [ { "type": "bool" } ] },
|
||||
{ "name" : "bytes", "constant" : false, "outputs": [ { "type": "bytes" } ] },
|
||||
{ "name" : "fixed", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
|
||||
{ "name" : "multi", "constant" : false, "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
|
||||
{ "name" : "intArraySingle", "constant" : false, "outputs": [ { "type": "uint256[3]" } ] },
|
||||
{ "name" : "addressSliceSingle", "constant" : false, "outputs": [ { "type": "address[]" } ] },
|
||||
{ "name" : "addressSliceDouble", "constant" : false, "outputs": [ { "name": "a", "type": "address[]" }, { "name": "b", "type": "address[]" } ] },
|
||||
{ "name" : "mixedBytes", "constant" : true, "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
|
||||
|
||||
abi, err := JSON(strings.NewReader(definition))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
buff := new(bytes.Buffer)
|
||||
|
||||
// marshall mixed bytes (mixedBytes)
|
||||
p0Exp := common.Hex2Bytes("01020000000000000000")
|
||||
p1Exp := common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000ddeeff")
|
||||
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000ddeeff"))
|
||||
buff.Write(common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000000a"))
|
||||
buff.Write(common.Hex2Bytes("0102000000000000000000000000000000000000000000000000000000000000"))
|
||||
|
||||
mixedBytes, err := abi.Methods["mixedBytes"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
} else {
|
||||
p0 := mixedBytes[0].([]byte)
|
||||
p1 := mixedBytes[1].([32]byte)
|
||||
if !bytes.Equal(p0, p0Exp) {
|
||||
t.Errorf("unexpected value unpacked: want %x, got %x", p0Exp, p0)
|
||||
}
|
||||
|
||||
if !bytes.Equal(p1[:], p1Exp) {
|
||||
t.Errorf("unexpected value unpacked: want %x, got %x", p1Exp, p1)
|
||||
}
|
||||
}
|
||||
|
||||
// marshal int
|
||||
integer, err := abi.Methods["int"].Outputs.UnpackValues(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
if len(integer) == 0 {
|
||||
t.Error("Expected one integer")
|
||||
}
|
||||
intval := integer[0].(*big.Int)
|
||||
if intval == nil || intval.Cmp(big.NewInt(1)) != 0 {
|
||||
t.Error("expected Int to be 1 got", intval)
|
||||
}
|
||||
|
||||
// marshal bool
|
||||
boolreturns, err := abi.Methods["bool"].Outputs.UnpackValues(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
boolval := boolreturns[0].(bool)
|
||||
if !boolval {
|
||||
t.Error("expected Bool to be true")
|
||||
}
|
||||
|
||||
// marshal dynamic bytes max length 32
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
bytesOut := common.RightPadBytes([]byte("hello"), 32)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
bytesreturns, err := abi.Methods["bytes"].Outputs.UnpackValues(buff.Bytes())
|
||||
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
bytesval := bytesreturns[0].([]byte)
|
||||
if !bytes.Equal(bytesval, bytesOut) {
|
||||
t.Errorf("expected %x got %x", bytesOut, bytesval)
|
||||
}
|
||||
|
||||
// marshall dynamic bytes max length 64
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
||||
bytesOut = common.RightPadBytes([]byte("hello"), 64)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
bytesreturns, err = abi.Methods["bytes"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
bytesval = bytesreturns[0].([]byte)
|
||||
if !bytes.Equal(bytesval, bytesOut) {
|
||||
t.Errorf("expected %x got %x", bytesOut, bytesval)
|
||||
}
|
||||
|
||||
// marshall dynamic bytes max length 64
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000003f"))
|
||||
bytesOut = common.RightPadBytes([]byte("hello"), 64)
|
||||
buff.Write(bytesOut)
|
||||
|
||||
bytesreturns, err = abi.Methods["bytes"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
bytesval = bytesreturns[0].([]byte)
|
||||
|
||||
if !bytes.Equal(bytesval, bytesOut[:len(bytesOut)-1]) {
|
||||
t.Errorf("expected %x got %x", bytesOut[:len(bytesOut)-1], bytesval)
|
||||
}
|
||||
// marshal dynamic bytes output empty (nil)
|
||||
bytesreturns, err = abi.Methods["bytes"].Outputs.UnpackValues(nil)
|
||||
if err == nil {
|
||||
t.Error("expected error")
|
||||
}
|
||||
// marshal dynamic bytes output empty
|
||||
buff.Reset()
|
||||
bytesreturns, err = abi.Methods["bytes"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err == nil {
|
||||
t.Error("expected error")
|
||||
}
|
||||
|
||||
// marshal dynamic bytes length 5
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
||||
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
||||
|
||||
bytesreturns, err = abi.Methods["bytes"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
bytesval = bytesreturns[0].([]byte)
|
||||
|
||||
if !bytes.Equal(bytesval, []byte("hello")) {
|
||||
t.Errorf("expected %x got %x", bytesOut, bytesval)
|
||||
}
|
||||
|
||||
// marshal dynamic bytes length 5
|
||||
buff.Reset()
|
||||
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
||||
|
||||
hashreturns, err := abi.Methods["fixed"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
hashval := hashreturns[0].([32]byte)
|
||||
|
||||
helloHash := common.BytesToHash(common.RightPadBytes([]byte("hello"), 32))
|
||||
if common.Hash(hashval) != helloHash {
|
||||
t.Errorf("Expected %x to equal %x", hashval, helloHash)
|
||||
}
|
||||
|
||||
// marshal error
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
||||
|
||||
bytesreturns, err = abi.Methods["bytes"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err == nil {
|
||||
// Error abi: cannot marshal in to go slice: offset 32 would go over slice boundary (len=64)
|
||||
t.Error("expected error")
|
||||
}
|
||||
bytesreturns, err = abi.Methods["multi"].Outputs.UnpackValues(make([]byte, 64))
|
||||
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000003"))
|
||||
// marshal int array
|
||||
|
||||
intArrayReturns, err := abi.Methods["intArraySingle"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
intArray := intArrayReturns[0].([3]*big.Int)
|
||||
|
||||
var testAgainstIntArray = [3]*big.Int{big.NewInt(1), big.NewInt(2), big.NewInt(3)}
|
||||
|
||||
for i, intval := range intArray {
|
||||
if intval.Cmp(testAgainstIntArray[i]) != 0 {
|
||||
t.Errorf("expected %v, got %v", testAgainstIntArray[i], intval)
|
||||
}
|
||||
}
|
||||
// marshal address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"))
|
||||
|
||||
outAddrReturns, err := abi.Methods["addressSliceSingle"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err != nil {
|
||||
t.Fatal("didn't expect error:", err)
|
||||
}
|
||||
outAddr := outAddrReturns[0].([]common.Address)
|
||||
if len(outAddr) != 1 {
|
||||
t.Fatal("expected 1 item, got", len(outAddr))
|
||||
}
|
||||
|
||||
if outAddr[0] != (common.Address{1}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{1}, outAddr[0])
|
||||
}
|
||||
|
||||
// marshal multiple address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000080")) // offset
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002")) // size
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000200000000000000000000000000000000000000"))
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000300000000000000000000000000000000000000"))
|
||||
|
||||
outAddrStructReturns, err := abi.Methods["addressSliceDouble"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err != nil {
|
||||
t.Fatal("didn't expect error:", err)
|
||||
}
|
||||
A := outAddrStructReturns[0].([]common.Address)
|
||||
B := outAddrStructReturns[1].([]common.Address)
|
||||
|
||||
if len(A) != 1 {
|
||||
t.Fatal("expected 1 item, got", len(A))
|
||||
}
|
||||
|
||||
if A[0] != (common.Address{1}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{1}, A[0])
|
||||
}
|
||||
|
||||
if len(B) != 2 {
|
||||
t.Fatal("expected 1 item, got", len(B))
|
||||
}
|
||||
|
||||
if B[0] != (common.Address{2}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{2}, B[0])
|
||||
}
|
||||
if B[1] != (common.Address{3}) {
|
||||
t.Errorf("expected %x, got %x", common.Address{3}, B[1])
|
||||
}
|
||||
|
||||
// marshal invalid address slice
|
||||
buff.Reset()
|
||||
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000100"))
|
||||
|
||||
err = abi.Unpack(&outAddr, "addressSliceSingle", buff.Bytes())
|
||||
_, err = abi.Methods["addressSliceSingle"].Outputs.UnpackValues(buff.Bytes())
|
||||
if err == nil {
|
||||
t.Fatal("expected error:", err)
|
||||
}
|
||||
|
||||
}
|
Loading…
Reference in New Issue
Block a user