fe45210c55
Fixed up `[]byte` slice support such that `function print(bytes input)` accepts `[]byte` as input and treats it as 1 element rather than a slice of multiple elements. Added support for variable length input parameters like `bytes` and `strings`.
866 lines
23 KiB
Go
866 lines
23 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package abi
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import (
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"bytes"
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"fmt"
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"log"
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"math/big"
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"reflect"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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)
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const jsondata = `
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[
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{ "type" : "function", "name" : "balance", "const" : true },
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{ "type" : "function", "name" : "send", "const" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] }
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]`
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const jsondata2 = `
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[
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{ "type" : "function", "name" : "balance", "const" : true },
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{ "type" : "function", "name" : "send", "const" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] },
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{ "type" : "function", "name" : "test", "const" : false, "inputs" : [ { "name" : "number", "type" : "uint32" } ] },
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{ "type" : "function", "name" : "string", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "string" } ] },
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{ "type" : "function", "name" : "bool", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "bool" } ] },
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{ "type" : "function", "name" : "address", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "address" } ] },
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{ "type" : "function", "name" : "string32", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "string32" } ] },
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{ "type" : "function", "name" : "uint64[2]", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint64[2]" } ] },
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{ "type" : "function", "name" : "uint64[]", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint64[]" } ] },
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{ "type" : "function", "name" : "foo", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32" } ] },
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{ "type" : "function", "name" : "bar", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32" }, { "name" : "string", "type" : "uint16" } ] },
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{ "type" : "function", "name" : "slice", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32[2]" } ] },
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{ "type" : "function", "name" : "slice256", "const" : false, "inputs" : [ { "name" : "inputs", "type" : "uint256[2]" } ] }
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]`
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func TestType(t *testing.T) {
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typ, err := NewType("uint32")
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if err != nil {
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t.Error(err)
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}
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if typ.Kind != reflect.Ptr {
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t.Error("expected uint32 to have kind Ptr")
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}
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typ, err = NewType("uint32[]")
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if err != nil {
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t.Error(err)
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}
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if typ.Kind != reflect.Slice {
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t.Error("expected uint32[] to have type slice")
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}
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if typ.Type != ubig_ts {
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t.Error("expcted uith32[] to have type uint64")
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}
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typ, err = NewType("uint32[2]")
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if err != nil {
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t.Error(err)
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}
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if typ.Kind != reflect.Slice {
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t.Error("expected uint32[2] to have kind slice")
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}
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if typ.Type != ubig_ts {
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t.Error("expcted uith32[2] to have type uint64")
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}
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if typ.Size != 2 {
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t.Error("expected uint32[2] to have a size of 2")
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}
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}
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func TestReader(t *testing.T) {
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Uint256, _ := NewType("uint256")
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exp := ABI{
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Methods: map[string]Method{
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"balance": Method{
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"balance", true, nil, nil,
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},
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"send": Method{
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"send", false, []Argument{
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Argument{"amount", Uint256, false},
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}, nil,
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},
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},
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}
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abi, err := JSON(strings.NewReader(jsondata))
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if err != nil {
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t.Error(err)
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}
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// deep equal fails for some reason
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t.Skip()
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if !reflect.DeepEqual(abi, exp) {
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t.Errorf("\nabi: %v\ndoes not match exp: %v", abi, exp)
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}
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}
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func TestTestNumbers(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if _, err := abi.Pack("balance"); err != nil {
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t.Error(err)
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}
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if _, err := abi.Pack("balance", 1); err == nil {
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t.Error("expected error for balance(1)")
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}
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if _, err := abi.Pack("doesntexist", nil); err == nil {
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t.Errorf("doesntexist shouldn't exist")
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}
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if _, err := abi.Pack("doesntexist", 1); err == nil {
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t.Errorf("doesntexist(1) shouldn't exist")
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}
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if _, err := abi.Pack("send", big.NewInt(1000)); err != nil {
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t.Error(err)
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}
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i := new(int)
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*i = 1000
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if _, err := abi.Pack("send", i); err == nil {
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t.Errorf("expected send( ptr ) to throw, requires *big.Int instead of *int")
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}
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if _, err := abi.Pack("send", 1000); err != nil {
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t.Error("expected send(1000) to cast to big")
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}
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if _, err := abi.Pack("test", uint32(1000)); err != nil {
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t.Error(err)
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}
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}
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func TestTestString(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if _, err := abi.Pack("string", "hello world"); err != nil {
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t.Error(err)
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}
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str10 := string(make([]byte, 10))
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if _, err := abi.Pack("string32", str10); err != nil {
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t.Error(err)
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}
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str32 := string(make([]byte, 32))
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if _, err := abi.Pack("string32", str32); err != nil {
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t.Error(err)
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}
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str33 := string(make([]byte, 33))
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if _, err := abi.Pack("string32", str33); err == nil {
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t.Error("expected str33 to throw out of bound error")
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}
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}
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func TestTestBool(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if _, err := abi.Pack("bool", true); err != nil {
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t.Error(err)
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}
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}
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func TestTestSlice(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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addr := make([]byte, 20)
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if _, err := abi.Pack("address", addr); err != nil {
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t.Error(err)
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}
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addr = make([]byte, 21)
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if _, err := abi.Pack("address", addr); err == nil {
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t.Error("expected address of 21 width to throw")
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}
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slice := make([]byte, 2)
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if _, err := abi.Pack("uint64[2]", slice); err != nil {
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t.Error(err)
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}
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if _, err := abi.Pack("uint64[]", slice); err != nil {
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t.Error(err)
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}
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}
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func TestTestAddress(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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addr := make([]byte, 20)
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if _, err := abi.Pack("address", addr); err != nil {
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t.Error(err)
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}
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}
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func TestMethodSignature(t *testing.T) {
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String, _ := NewType("string")
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String32, _ := NewType("string32")
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m := Method{"foo", false, []Argument{Argument{"bar", String32, false}, Argument{"baz", String, false}}, nil}
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exp := "foo(string32,string)"
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if m.Sig() != exp {
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t.Error("signature mismatch", exp, "!=", m.Sig())
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}
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idexp := crypto.Keccak256([]byte(exp))[:4]
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if !bytes.Equal(m.Id(), idexp) {
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t.Errorf("expected ids to match %x != %x", m.Id(), idexp)
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}
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uintt, _ := NewType("uint")
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m = Method{"foo", false, []Argument{Argument{"bar", uintt, false}}, nil}
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exp = "foo(uint256)"
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if m.Sig() != exp {
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t.Error("signature mismatch", exp, "!=", m.Sig())
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}
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}
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func TestPack(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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sig := crypto.Keccak256([]byte("foo(uint32)"))[:4]
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sig = append(sig, make([]byte, 32)...)
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sig[35] = 10
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packed, err := abi.Pack("foo", uint32(10))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if !bytes.Equal(packed, sig) {
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t.Errorf("expected %x got %x", sig, packed)
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}
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}
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func TestMultiPack(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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sig := crypto.Keccak256([]byte("bar(uint32,uint16)"))[:4]
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sig = append(sig, make([]byte, 64)...)
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sig[35] = 10
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sig[67] = 11
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packed, err := abi.Pack("bar", uint32(10), uint16(11))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if !bytes.Equal(packed, sig) {
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t.Errorf("expected %x got %x", sig, packed)
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}
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}
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func TestPackSlice(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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sig := crypto.Keccak256([]byte("slice(uint32[2])"))[:4]
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sig = append(sig, make([]byte, 64)...)
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sig[35] = 1
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sig[67] = 2
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packed, err := abi.Pack("slice", []uint32{1, 2})
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if !bytes.Equal(packed, sig) {
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t.Errorf("expected %x got %x", sig, packed)
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}
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}
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func TestPackSliceBig(t *testing.T) {
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abi, err := JSON(strings.NewReader(jsondata2))
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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sig := crypto.Keccak256([]byte("slice256(uint256[2])"))[:4]
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sig = append(sig, make([]byte, 64)...)
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sig[35] = 1
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sig[67] = 2
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packed, err := abi.Pack("slice256", []*big.Int{big.NewInt(1), big.NewInt(2)})
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if !bytes.Equal(packed, sig) {
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t.Errorf("expected %x got %x", sig, packed)
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}
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}
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func ExampleJSON() {
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const definition = `[{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"isBar","outputs":[{"name":"","type":"bool"}],"type":"function"}]`
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abi, err := JSON(strings.NewReader(definition))
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if err != nil {
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log.Fatalln(err)
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}
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out, err := abi.Pack("isBar", common.HexToAddress("01"))
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if err != nil {
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log.Fatalln(err)
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}
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fmt.Printf("%x\n", out)
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// Output:
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// 1f2c40920000000000000000000000000000000000000000000000000000000000000001
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}
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func TestInputVariableInputLength(t *testing.T) {
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const definition = `[
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{ "type" : "function", "name" : "strOne", "const" : true, "inputs" : [ { "name" : "str", "type" : "string" } ] },
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{ "type" : "function", "name" : "bytesOne", "const" : true, "inputs" : [ { "name" : "str", "type" : "bytes" } ] },
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{ "type" : "function", "name" : "strTwo", "const" : true, "inputs" : [ { "name" : "str", "type" : "string" }, { "name" : "str1", "type" : "string" } ] }
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]`
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abi, err := JSON(strings.NewReader(definition))
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if err != nil {
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t.Fatal(err)
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}
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// test one string
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strin := "hello world"
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strpack, err := abi.Pack("strOne", strin)
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if err != nil {
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t.Error(err)
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}
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offset := make([]byte, 32)
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offset[31] = 32
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length := make([]byte, 32)
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length[31] = byte(len(strin))
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value := common.RightPadBytes([]byte(strin), 32)
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exp := append(offset, append(length, value...)...)
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// ignore first 4 bytes of the output. This is the function identifier
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strpack = strpack[4:]
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if !bytes.Equal(strpack, exp) {
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t.Errorf("expected %x, got %x\n", exp, strpack)
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}
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// test one bytes
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btspack, err := abi.Pack("bytesOne", []byte(strin))
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if err != nil {
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t.Error(err)
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}
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// ignore first 4 bytes of the output. This is the function identifier
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btspack = btspack[4:]
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if !bytes.Equal(btspack, exp) {
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t.Errorf("expected %x, got %x\n", exp, btspack)
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}
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// test two strings
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str1 := "hello"
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str2 := "world"
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str2pack, err := abi.Pack("strTwo", str1, str2)
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if err != nil {
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t.Error(err)
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}
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offset1 := make([]byte, 32)
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offset1[31] = 64
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length1 := make([]byte, 32)
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length1[31] = byte(len(str1))
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value1 := common.RightPadBytes([]byte(str1), 32)
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offset2 := make([]byte, 32)
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offset2[31] = 128
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length2 := make([]byte, 32)
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length2[31] = byte(len(str2))
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value2 := common.RightPadBytes([]byte(str2), 32)
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exp2 := append(offset1, offset2...)
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exp2 = append(exp2, append(length1, value1...)...)
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exp2 = append(exp2, append(length2, value2...)...)
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// ignore first 4 bytes of the output. This is the function identifier
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str2pack = str2pack[4:]
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if !bytes.Equal(str2pack, exp2) {
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t.Errorf("expected %x, got %x\n", exp, str2pack)
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}
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// test two strings, first > 32, second < 32
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str1 = strings.Repeat("a", 33)
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str2pack, err = abi.Pack("strTwo", str1, str2)
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if err != nil {
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t.Error(err)
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}
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offset1 = make([]byte, 32)
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offset1[31] = 64
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length1 = make([]byte, 32)
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length1[31] = byte(len(str1))
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value1 = common.RightPadBytes([]byte(str1), 64)
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offset2[31] = 160
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exp2 = append(offset1, offset2...)
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exp2 = append(exp2, append(length1, value1...)...)
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exp2 = append(exp2, append(length2, value2...)...)
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// ignore first 4 bytes of the output. This is the function identifier
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str2pack = str2pack[4:]
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if !bytes.Equal(str2pack, exp2) {
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t.Errorf("expected %x, got %x\n", exp, str2pack)
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}
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// test two strings, first > 32, second >32
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str1 = strings.Repeat("a", 33)
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str2 = strings.Repeat("a", 33)
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str2pack, err = abi.Pack("strTwo", str1, str2)
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if err != nil {
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t.Error(err)
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}
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offset1 = make([]byte, 32)
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offset1[31] = 64
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length1 = make([]byte, 32)
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length1[31] = byte(len(str1))
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value1 = common.RightPadBytes([]byte(str1), 64)
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offset2 = make([]byte, 32)
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offset2[31] = 160
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length2 = make([]byte, 32)
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length2[31] = byte(len(str2))
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value2 = common.RightPadBytes([]byte(str2), 64)
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exp2 = append(offset1, offset2...)
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exp2 = append(exp2, append(length1, value1...)...)
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exp2 = append(exp2, append(length2, value2...)...)
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// ignore first 4 bytes of the output. This is the function identifier
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str2pack = str2pack[4:]
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if !bytes.Equal(str2pack, exp2) {
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t.Errorf("expected %x, got %x\n", exp, str2pack)
|
|
}
|
|
}
|
|
|
|
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 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 TestMarshalArrays(t *testing.T) {
|
|
const definition = `[
|
|
{ "name" : "bytes32", "const" : false, "outputs": [ { "type": "bytes32" } ] },
|
|
{ "name" : "bytes10", "const" : false, "outputs": [ { "type": "bytes10" } ] }
|
|
]`
|
|
|
|
abi, err := JSON(strings.NewReader(definition))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
output := common.LeftPadBytes([]byte{1}, 32)
|
|
|
|
var bytes10 [10]byte
|
|
err = abi.unmarshal(&bytes10, "bytes32", output)
|
|
if err == nil || err.Error() != "abi: cannot unmarshal src (len=32) in to dst (len=10)" {
|
|
t.Error("expected error or bytes32 not be assignable to bytes10:", err)
|
|
}
|
|
|
|
var bytes32 [32]byte
|
|
err = abi.unmarshal(&bytes32, "bytes32", output)
|
|
if err != nil {
|
|
t.Error("didn't expect error:", err)
|
|
}
|
|
if !bytes.Equal(bytes32[:], output) {
|
|
t.Error("expected bytes32[31] to be 1 got", bytes32[31])
|
|
}
|
|
|
|
type (
|
|
B10 [10]byte
|
|
B32 [32]byte
|
|
)
|
|
|
|
var b10 B10
|
|
err = abi.unmarshal(&b10, "bytes32", output)
|
|
if err == nil || err.Error() != "abi: cannot unmarshal src (len=32) in to dst (len=10)" {
|
|
t.Error("expected error or bytes32 not be assignable to bytes10:", err)
|
|
}
|
|
|
|
var b32 B32
|
|
err = abi.unmarshal(&b32, "bytes32", output)
|
|
if err != nil {
|
|
t.Error("didn't expect error:", err)
|
|
}
|
|
if !bytes.Equal(b32[:], output) {
|
|
t.Error("expected bytes32[31] to be 1 got", bytes32[31])
|
|
}
|
|
|
|
output[10] = 1
|
|
var shortAssignLong [32]byte
|
|
err = abi.unmarshal(&shortAssignLong, "bytes10", output)
|
|
if err != nil {
|
|
t.Error("didn't expect error:", err)
|
|
}
|
|
if !bytes.Equal(output, shortAssignLong[:]) {
|
|
t.Errorf("expected %x to be %x", shortAssignLong, output)
|
|
}
|
|
}
|
|
|
|
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" : "fixed", "const" : false, "outputs": [ { "type": "bytes32" } ] },
|
|
{ "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 dynamic bytes length 5
|
|
buff.Reset()
|
|
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
|
|
|
var hash common.Hash
|
|
err = abi.unmarshal(&hash, "fixed", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
helloHash := common.BytesToHash(common.RightPadBytes([]byte("hello"), 32))
|
|
if hash != helloHash {
|
|
t.Errorf("Expected %x to equal %x", hash, helloHash)
|
|
}
|
|
|
|
// 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])
|
|
}
|
|
}
|