ecc876cec0
Removed old unmarshalling of return types: `abi.Call(...).([]byte)`. This is now replaced by a new syntax: ``` var a []byte err := abi.Call(&a, ...) ``` It also addresses a few issues with Bytes and Strings and can also handle both fixed and arbitrary sized byte slices, including strings.
694 lines
18 KiB
Go
694 lines
18 KiB
Go
// 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"
|
|
"fmt"
|
|
"log"
|
|
"math/big"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
)
|
|
|
|
const jsondata = `
|
|
[
|
|
{ "type" : "function", "name" : "balance", "const" : true },
|
|
{ "type" : "function", "name" : "send", "const" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] }
|
|
]`
|
|
|
|
const jsondata2 = `
|
|
[
|
|
{ "type" : "function", "name" : "balance", "const" : true },
|
|
{ "type" : "function", "name" : "send", "const" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] },
|
|
{ "type" : "function", "name" : "test", "const" : false, "inputs" : [ { "name" : "number", "type" : "uint32" } ] },
|
|
{ "type" : "function", "name" : "string", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "string" } ] },
|
|
{ "type" : "function", "name" : "bool", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "bool" } ] },
|
|
{ "type" : "function", "name" : "address", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "address" } ] },
|
|
{ "type" : "function", "name" : "string32", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "string32" } ] },
|
|
{ "type" : "function", "name" : "uint64[2]", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint64[2]" } ] },
|
|
{ "type" : "function", "name" : "uint64[]", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint64[]" } ] },
|
|
{ "type" : "function", "name" : "foo", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32" } ] },
|
|
{ "type" : "function", "name" : "bar", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32" }, { "name" : "string", "type" : "uint16" } ] },
|
|
{ "type" : "function", "name" : "slice", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32[2]" } ] },
|
|
{ "type" : "function", "name" : "slice256", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint256[2]" } ] }
|
|
]`
|
|
|
|
func TestType(t *testing.T) {
|
|
typ, err := NewType("uint32")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if typ.Kind != reflect.Ptr {
|
|
t.Error("expected uint32 to have kind Ptr")
|
|
}
|
|
|
|
typ, err = NewType("uint32[]")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if typ.Kind != reflect.Slice {
|
|
t.Error("expected uint32[] to have type slice")
|
|
}
|
|
if typ.Type != ubig_ts {
|
|
t.Error("expcted uith32[] to have type uint64")
|
|
}
|
|
|
|
typ, err = NewType("uint32[2]")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if typ.Kind != reflect.Slice {
|
|
t.Error("expected uint32[2] to have kind slice")
|
|
}
|
|
if typ.Type != ubig_ts {
|
|
t.Error("expcted uith32[2] to have type uint64")
|
|
}
|
|
if typ.Size != 2 {
|
|
t.Error("expected uint32[2] to have a size of 2")
|
|
}
|
|
}
|
|
|
|
func TestReader(t *testing.T) {
|
|
Uint256, _ := NewType("uint256")
|
|
exp := ABI{
|
|
Methods: map[string]Method{
|
|
"balance": Method{
|
|
"balance", true, nil, nil,
|
|
},
|
|
"send": Method{
|
|
"send", false, []Argument{
|
|
Argument{"amount", Uint256, false},
|
|
}, nil,
|
|
},
|
|
},
|
|
}
|
|
|
|
abi, err := JSON(strings.NewReader(jsondata))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
// deep equal fails for some reason
|
|
t.Skip()
|
|
if !reflect.DeepEqual(abi, exp) {
|
|
t.Errorf("\nabi: %v\ndoes not match exp: %v", abi, exp)
|
|
}
|
|
}
|
|
|
|
func TestTestNumbers(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
if _, err := abi.Pack("balance"); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := abi.Pack("balance", 1); err == nil {
|
|
t.Error("expected error for balance(1)")
|
|
}
|
|
|
|
if _, err := abi.Pack("doesntexist", nil); err == nil {
|
|
t.Errorf("doesntexist shouldn't exist")
|
|
}
|
|
|
|
if _, err := abi.Pack("doesntexist", 1); err == nil {
|
|
t.Errorf("doesntexist(1) shouldn't exist")
|
|
}
|
|
|
|
if _, err := abi.Pack("send", big.NewInt(1000)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
i := new(int)
|
|
*i = 1000
|
|
if _, err := abi.Pack("send", i); err == nil {
|
|
t.Errorf("expected send( ptr ) to throw, requires *big.Int instead of *int")
|
|
}
|
|
|
|
if _, err := abi.Pack("send", 1000); err != nil {
|
|
t.Error("expected send(1000) to cast to big")
|
|
}
|
|
|
|
if _, err := abi.Pack("test", uint32(1000)); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestTestString(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
if _, err := abi.Pack("string", "hello world"); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
str10 := string(make([]byte, 10))
|
|
if _, err := abi.Pack("string32", str10); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
str32 := string(make([]byte, 32))
|
|
if _, err := abi.Pack("string32", str32); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
str33 := string(make([]byte, 33))
|
|
if _, err := abi.Pack("string32", str33); err == nil {
|
|
t.Error("expected str33 to throw out of bound error")
|
|
}
|
|
}
|
|
|
|
func TestTestBool(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
if _, err := abi.Pack("bool", true); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestTestSlice(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
addr := make([]byte, 20)
|
|
if _, err := abi.Pack("address", addr); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
addr = make([]byte, 21)
|
|
if _, err := abi.Pack("address", addr); err == nil {
|
|
t.Error("expected address of 21 width to throw")
|
|
}
|
|
|
|
slice := make([]byte, 2)
|
|
if _, err := abi.Pack("uint64[2]", slice); err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if _, err := abi.Pack("uint64[]", slice); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestTestAddress(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
addr := make([]byte, 20)
|
|
if _, err := abi.Pack("address", addr); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestMethodSignature(t *testing.T) {
|
|
String, _ := NewType("string")
|
|
String32, _ := NewType("string32")
|
|
m := Method{"foo", false, []Argument{Argument{"bar", String32, false}, Argument{"baz", String, false}}, nil}
|
|
exp := "foo(string32,string)"
|
|
if m.Sig() != exp {
|
|
t.Error("signature mismatch", exp, "!=", m.Sig())
|
|
}
|
|
|
|
idexp := crypto.Sha3([]byte(exp))[:4]
|
|
if !bytes.Equal(m.Id(), idexp) {
|
|
t.Errorf("expected ids to match %x != %x", m.Id(), idexp)
|
|
}
|
|
|
|
uintt, _ := NewType("uint")
|
|
m = Method{"foo", false, []Argument{Argument{"bar", uintt, false}}, nil}
|
|
exp = "foo(uint256)"
|
|
if m.Sig() != exp {
|
|
t.Error("signature mismatch", exp, "!=", m.Sig())
|
|
}
|
|
}
|
|
|
|
func TestPack(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
sig := crypto.Sha3([]byte("foo(uint32)"))[:4]
|
|
sig = append(sig, make([]byte, 32)...)
|
|
sig[35] = 10
|
|
|
|
packed, err := abi.Pack("foo", uint32(10))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
}
|
|
|
|
func TestMultiPack(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
sig := crypto.Sha3([]byte("bar(uint32,uint16)"))[:4]
|
|
sig = append(sig, make([]byte, 64)...)
|
|
sig[35] = 10
|
|
sig[67] = 11
|
|
|
|
packed, err := abi.Pack("bar", uint32(10), uint16(11))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
}
|
|
|
|
func TestPackSlice(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
sig := crypto.Sha3([]byte("slice(uint32[2])"))[:4]
|
|
sig = append(sig, make([]byte, 64)...)
|
|
sig[35] = 1
|
|
sig[67] = 2
|
|
|
|
packed, err := abi.Pack("slice", []uint32{1, 2})
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
}
|
|
|
|
func TestPackSliceBig(t *testing.T) {
|
|
abi, err := JSON(strings.NewReader(jsondata2))
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
sig := crypto.Sha3([]byte("slice256(uint256[2])"))[:4]
|
|
sig = append(sig, make([]byte, 64)...)
|
|
sig[35] = 1
|
|
sig[67] = 2
|
|
|
|
packed, err := abi.Pack("slice256", []*big.Int{big.NewInt(1), big.NewInt(2)})
|
|
if err != nil {
|
|
t.Error(err)
|
|
t.FailNow()
|
|
}
|
|
|
|
if !bytes.Equal(packed, sig) {
|
|
t.Errorf("expected %x got %x", sig, packed)
|
|
}
|
|
}
|
|
|
|
func ExampleJSON() {
|
|
const definition = `[{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"isBar","outputs":[{"name":"","type":"bool"}],"type":"function"}]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
log.Fatalln(err)
|
|
}
|
|
out, err := abi.Pack("isBar", common.HexToAddress("01"))
|
|
if err != nil {
|
|
log.Fatalln(err)
|
|
}
|
|
|
|
fmt.Printf("%x\n", out)
|
|
// Output:
|
|
// 1f2c40920000000000000000000000000000000000000000000000000000000000000001
|
|
}
|
|
|
|
func TestBytes(t *testing.T) {
|
|
const definition = `[
|
|
{ "type" : "function", "name" : "balance", "const" : true, "inputs" : [ { "name" : "address", "type" : "bytes20" } ] },
|
|
{ "type" : "function", "name" : "send", "const" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] }
|
|
]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ok := make([]byte, 20)
|
|
_, err = abi.Pack("balance", ok)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
toosmall := make([]byte, 19)
|
|
_, err = abi.Pack("balance", toosmall)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
toobig := make([]byte, 21)
|
|
_, err = abi.Pack("balance", toobig)
|
|
if err == nil {
|
|
t.Error("expected error")
|
|
}
|
|
}
|
|
|
|
/*
|
|
func TestReturn(t *testing.T) {
|
|
const definition = `[
|
|
{ "type" : "function", "name" : "balance", "const" : true, "inputs" : [], "outputs" : [ { "name": "", "type": "hash" } ] },
|
|
{ "type" : "function", "name" : "name", "const" : true, "inputs" : [], "outputs" : [ { "name": "", "type": "address" } ] }]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
r := abi.Call(func([]byte) []byte {
|
|
t := make([]byte, 32)
|
|
t[0] = 1
|
|
return t
|
|
}, "balance")
|
|
if _, ok := r.(common.Hash); !ok {
|
|
t.Errorf("expected type common.Hash, got %T", r)
|
|
}
|
|
|
|
r = abi.Call(func([]byte) []byte {
|
|
t := make([]byte, 32)
|
|
t[0] = 1
|
|
return t
|
|
}, "name")
|
|
if _, ok := r.(common.Address); !ok {
|
|
t.Errorf("expected type common.Address, got %T", r)
|
|
}
|
|
}
|
|
*/
|
|
|
|
func TestDefaultFunctionParsing(t *testing.T) {
|
|
const definition = `[{ "name" : "balance" }]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if _, ok := abi.Methods["balance"]; !ok {
|
|
t.Error("expected 'balance' to be present")
|
|
}
|
|
}
|
|
|
|
func TestBareEvents(t *testing.T) {
|
|
const definition = `[
|
|
{ "type" : "event", "name" : "balance" },
|
|
{ "type" : "event", "name" : "name" }]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if len(abi.Events) != 2 {
|
|
t.Error("expected 2 events")
|
|
}
|
|
|
|
if _, ok := abi.Events["balance"]; !ok {
|
|
t.Error("expected 'balance' event to be present")
|
|
}
|
|
|
|
if _, ok := abi.Events["name"]; !ok {
|
|
t.Error("expected 'name' event to be present")
|
|
}
|
|
}
|
|
|
|
func TestMultiReturnWithStruct(t *testing.T) {
|
|
const definition = `[
|
|
{ "name" : "multi", "const" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// using buff to make the code readable
|
|
buff := new(bytes.Buffer)
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
|
stringOut := "hello"
|
|
buff.Write(common.RightPadBytes([]byte(stringOut), 32))
|
|
|
|
var inter struct {
|
|
Int *big.Int
|
|
String string
|
|
}
|
|
err = abi.unmarshal(&inter, "multi", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if inter.Int == nil || inter.Int.Cmp(big.NewInt(1)) != 0 {
|
|
t.Error("expected Int to be 1 got", inter.Int)
|
|
}
|
|
|
|
if inter.String != stringOut {
|
|
t.Error("expected String to be", stringOut, "got", inter.String)
|
|
}
|
|
|
|
var reversed struct {
|
|
String string
|
|
Int *big.Int
|
|
}
|
|
|
|
err = abi.unmarshal(&reversed, "multi", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if reversed.Int == nil || reversed.Int.Cmp(big.NewInt(1)) != 0 {
|
|
t.Error("expected Int to be 1 got", reversed.Int)
|
|
}
|
|
|
|
if reversed.String != stringOut {
|
|
t.Error("expected String to be", stringOut, "got", reversed.String)
|
|
}
|
|
}
|
|
|
|
func TestMultiReturnWithSlice(t *testing.T) {
|
|
const definition = `[
|
|
{ "name" : "multi", "const" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// using buff to make the code readable
|
|
buff := new(bytes.Buffer)
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
|
stringOut := "hello"
|
|
buff.Write(common.RightPadBytes([]byte(stringOut), 32))
|
|
|
|
var inter []interface{}
|
|
err = abi.unmarshal(&inter, "multi", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if len(inter) != 2 {
|
|
t.Fatal("expected 2 results got", len(inter))
|
|
}
|
|
|
|
if num, ok := inter[0].(*big.Int); !ok || num.Cmp(big.NewInt(1)) != 0 {
|
|
t.Error("expected index 0 to be 1 got", num)
|
|
}
|
|
|
|
if str, ok := inter[1].(string); !ok || str != stringOut {
|
|
t.Error("expected index 1 to be", stringOut, "got", str)
|
|
}
|
|
}
|
|
|
|
func TestUnmarshal(t *testing.T) {
|
|
const definition = `[
|
|
{ "name" : "int", "const" : false, "outputs": [ { "type": "uint256" } ] },
|
|
{ "name" : "bool", "const" : false, "outputs": [ { "type": "bool" } ] },
|
|
{ "name" : "bytes", "const" : false, "outputs": [ { "type": "bytes" } ] },
|
|
{ "name" : "multi", "const" : false, "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
|
|
{ "name" : "mixedBytes", "const" : true, "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// marshal int
|
|
var Int *big.Int
|
|
err = abi.unmarshal(&Int, "int", common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if Int == nil || Int.Cmp(big.NewInt(1)) != 0 {
|
|
t.Error("expected Int to be 1 got", Int)
|
|
}
|
|
|
|
// marshal bool
|
|
var Bool bool
|
|
err = abi.unmarshal(&Bool, "bool", common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !Bool {
|
|
t.Error("expected Bool to be true")
|
|
}
|
|
|
|
// marshal dynamic bytes max length 32
|
|
buff := new(bytes.Buffer)
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
bytesOut := common.RightPadBytes([]byte("hello"), 32)
|
|
buff.Write(bytesOut)
|
|
|
|
var Bytes []byte
|
|
err = abi.unmarshal(&Bytes, "bytes", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !bytes.Equal(Bytes, bytesOut) {
|
|
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
|
}
|
|
|
|
// 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)
|
|
|
|
err = abi.unmarshal(&Bytes, "bytes", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !bytes.Equal(Bytes, bytesOut) {
|
|
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
|
}
|
|
|
|
// marshall dynamic bytes max length 63
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
buff.Write(common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000003f"))
|
|
bytesOut = common.RightPadBytes([]byte("hello"), 63)
|
|
buff.Write(bytesOut)
|
|
|
|
err = abi.unmarshal(&Bytes, "bytes", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !bytes.Equal(Bytes, bytesOut) {
|
|
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
|
}
|
|
|
|
// marshal dynamic bytes output empty
|
|
err = abi.unmarshal(&Bytes, "bytes", nil)
|
|
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))
|
|
|
|
err = abi.unmarshal(&Bytes, "bytes", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !bytes.Equal(Bytes, []byte("hello")) {
|
|
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
|
}
|
|
|
|
// marshal error
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
err = abi.unmarshal(&Bytes, "bytes", buff.Bytes())
|
|
if err == nil {
|
|
t.Error("expected error")
|
|
}
|
|
|
|
err = abi.unmarshal(&Bytes, "multi", make([]byte, 64))
|
|
if err == nil {
|
|
t.Error("expected error")
|
|
}
|
|
|
|
// marshal mixed bytes
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
|
fixed := common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")
|
|
buff.Write(fixed)
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
bytesOut = common.RightPadBytes([]byte("hello"), 32)
|
|
buff.Write(bytesOut)
|
|
|
|
var out []interface{}
|
|
err = abi.unmarshal(&out, "mixedBytes", buff.Bytes())
|
|
if err != nil {
|
|
t.Fatal("didn't expect error:", err)
|
|
}
|
|
|
|
if !bytes.Equal(bytesOut, out[0].([]byte)) {
|
|
t.Errorf("expected %x, got %x", bytesOut, out[0])
|
|
}
|
|
|
|
if !bytes.Equal(fixed, out[1].([]byte)) {
|
|
t.Errorf("expected %x, got %x", fixed, out[1])
|
|
}
|
|
}
|