go-ethereum/signer/core/signed_data_test.go

809 lines
20 KiB
Go

// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
//
package core_test
import (
"context"
"encoding/json"
"fmt"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/signer/core"
)
var typesStandard = core.Types{
"EIP712Domain": {
{
Name: "name",
Type: "string",
},
{
Name: "version",
Type: "string",
},
{
Name: "chainId",
Type: "uint256",
},
{
Name: "verifyingContract",
Type: "address",
},
},
"Person": {
{
Name: "name",
Type: "string",
},
{
Name: "wallet",
Type: "address",
},
},
"Mail": {
{
Name: "from",
Type: "Person",
},
{
Name: "to",
Type: "Person",
},
{
Name: "contents",
Type: "string",
},
},
}
var jsonTypedData = `
{
"types": {
"EIP712Domain": [
{
"name": "name",
"type": "string"
},
{
"name": "version",
"type": "string"
},
{
"name": "chainId",
"type": "uint256"
},
{
"name": "verifyingContract",
"type": "address"
}
],
"Person": [
{
"name": "name",
"type": "string"
},
{
"name": "test",
"type": "uint8"
},
{
"name": "wallet",
"type": "address"
}
],
"Mail": [
{
"name": "from",
"type": "Person"
},
{
"name": "to",
"type": "Person"
},
{
"name": "contents",
"type": "string"
}
]
},
"primaryType": "Mail",
"domain": {
"name": "Ether Mail",
"version": "1",
"chainId": 1,
"verifyingContract": "0xCCCcccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"message": {
"from": {
"name": "Cow",
"test": 3,
"wallet": "0xcD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826"
},
"to": {
"name": "Bob",
"wallet": "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB"
},
"contents": "Hello, Bob!"
}
}
`
const primaryType = "Mail"
var domainStandard = core.TypedDataDomain{
"Ether Mail",
"1",
big.NewInt(1),
"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
"",
}
var messageStandard = map[string]interface{}{
"from": map[string]interface{}{
"name": "Cow",
"wallet": "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826",
},
"to": map[string]interface{}{
"name": "Bob",
"wallet": "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB",
},
"contents": "Hello, Bob!",
}
var typedData = core.TypedData{
Types: typesStandard,
PrimaryType: primaryType,
Domain: domainStandard,
Message: messageStandard,
}
func TestSignData(t *testing.T) {
api, control := setup(t)
//Create two accounts
createAccount(control, api, t)
createAccount(control, api, t)
control.approveCh <- "1"
list, err := api.List(context.Background())
if err != nil {
t.Fatal(err)
}
a := common.NewMixedcaseAddress(list[0])
control.approveCh <- "Y"
control.inputCh <- "wrongpassword"
signature, err := api.SignData(context.Background(), core.TextPlain.Mime, a, hexutil.Encode([]byte("EHLO world")))
if signature != nil {
t.Errorf("Expected nil-data, got %x", signature)
}
if err != keystore.ErrDecrypt {
t.Errorf("Expected ErrLocked! '%v'", err)
}
control.approveCh <- "No way"
signature, err = api.SignData(context.Background(), core.TextPlain.Mime, a, hexutil.Encode([]byte("EHLO world")))
if signature != nil {
t.Errorf("Expected nil-data, got %x", signature)
}
if err != core.ErrRequestDenied {
t.Errorf("Expected ErrRequestDenied! '%v'", err)
}
// text/plain
control.approveCh <- "Y"
control.inputCh <- "a_long_password"
signature, err = api.SignData(context.Background(), core.TextPlain.Mime, a, hexutil.Encode([]byte("EHLO world")))
if err != nil {
t.Fatal(err)
}
if signature == nil || len(signature) != 65 {
t.Errorf("Expected 65 byte signature (got %d bytes)", len(signature))
}
// data/typed
control.approveCh <- "Y"
control.inputCh <- "a_long_password"
signature, err = api.SignTypedData(context.Background(), a, typedData)
if err != nil {
t.Fatal(err)
}
if signature == nil || len(signature) != 65 {
t.Errorf("Expected 65 byte signature (got %d bytes)", len(signature))
}
}
func TestDomainChainId(t *testing.T) {
withoutChainID := core.TypedData{
Types: core.Types{
"EIP712Domain": []core.Type{
{Name: "name", Type: "string"},
},
},
Domain: core.TypedDataDomain{
Name: "test",
},
}
if _, ok := withoutChainID.Domain.Map()["chainId"]; ok {
t.Errorf("Expected the chainId key to not be present in the domain map")
}
withChainID := core.TypedData{
Types: core.Types{
"EIP712Domain": []core.Type{
{Name: "name", Type: "string"},
{Name: "chainId", Type: "uint256"},
},
},
Domain: core.TypedDataDomain{
Name: "test",
ChainId: big.NewInt(1),
},
}
if _, ok := withChainID.Domain.Map()["chainId"]; !ok {
t.Errorf("Expected the chainId key be present in the domain map")
}
}
func TestHashStruct(t *testing.T) {
hash, err := typedData.HashStruct(typedData.PrimaryType, typedData.Message)
if err != nil {
t.Fatal(err)
}
mainHash := fmt.Sprintf("0x%s", common.Bytes2Hex(hash))
if mainHash != "0xc52c0ee5d84264471806290a3f2c4cecfc5490626bf912d01f240d7a274b371e" {
t.Errorf("Expected different hashStruct result (got %s)", mainHash)
}
hash, err = typedData.HashStruct("EIP712Domain", typedData.Domain.Map())
if err != nil {
t.Error(err)
}
domainHash := fmt.Sprintf("0x%s", common.Bytes2Hex(hash))
if domainHash != "0xf2cee375fa42b42143804025fc449deafd50cc031ca257e0b194a650a912090f" {
t.Errorf("Expected different domain hashStruct result (got %s)", domainHash)
}
}
func TestEncodeType(t *testing.T) {
domainTypeEncoding := string(typedData.EncodeType("EIP712Domain"))
if domainTypeEncoding != "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)" {
t.Errorf("Expected different encodeType result (got %s)", domainTypeEncoding)
}
mailTypeEncoding := string(typedData.EncodeType(typedData.PrimaryType))
if mailTypeEncoding != "Mail(Person from,Person to,string contents)Person(string name,address wallet)" {
t.Errorf("Expected different encodeType result (got %s)", mailTypeEncoding)
}
}
func TestTypeHash(t *testing.T) {
mailTypeHash := fmt.Sprintf("0x%s", common.Bytes2Hex(typedData.TypeHash(typedData.PrimaryType)))
if mailTypeHash != "0xa0cedeb2dc280ba39b857546d74f5549c3a1d7bdc2dd96bf881f76108e23dac2" {
t.Errorf("Expected different typeHash result (got %s)", mailTypeHash)
}
}
func TestEncodeData(t *testing.T) {
hash, err := typedData.EncodeData(typedData.PrimaryType, typedData.Message, 0)
if err != nil {
t.Fatal(err)
}
dataEncoding := fmt.Sprintf("0x%s", common.Bytes2Hex(hash))
if dataEncoding != "0xa0cedeb2dc280ba39b857546d74f5549c3a1d7bdc2dd96bf881f76108e23dac2fc71e5fa27ff56c350aa531bc129ebdf613b772b6604664f5d8dbe21b85eb0c8cd54f074a4af31b4411ff6a60c9719dbd559c221c8ac3492d9d872b041d703d1b5aadf3154a261abdd9086fc627b61efca26ae5702701d05cd2305f7c52a2fc8" {
t.Errorf("Expected different encodeData result (got %s)", dataEncoding)
}
}
func TestMalformedDomainkeys(t *testing.T) {
// Verifies that malformed domain keys are properly caught:
//{
// "name": "Ether Mail",
// "version": "1",
// "chainId": 1,
// "vxerifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
//}
jsonTypedData := `
{
"types": {
"EIP712Domain": [
{
"name": "name",
"type": "string"
},
{
"name": "version",
"type": "string"
},
{
"name": "chainId",
"type": "uint256"
},
{
"name": "verifyingContract",
"type": "address"
}
],
"Person": [
{
"name": "name",
"type": "string"
},
{
"name": "wallet",
"type": "address"
}
],
"Mail": [
{
"name": "from",
"type": "Person"
},
{
"name": "to",
"type": "Person"
},
{
"name": "contents",
"type": "string"
}
]
},
"primaryType": "Mail",
"domain": {
"name": "Ether Mail",
"version": "1",
"chainId": 1,
"vxerifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"message": {
"from": {
"name": "Cow",
"wallet": "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826"
},
"to": {
"name": "Bob",
"wallet": "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB"
},
"contents": "Hello, Bob!"
}
}
`
var malformedDomainTypedData core.TypedData
err := json.Unmarshal([]byte(jsonTypedData), &malformedDomainTypedData)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
_, err = malformedDomainTypedData.HashStruct("EIP712Domain", malformedDomainTypedData.Domain.Map())
if err == nil || err.Error() != "provided data '<nil>' doesn't match type 'address'" {
t.Errorf("Expected `provided data '<nil>' doesn't match type 'address'`, got '%v'", err)
}
}
func TestMalformedTypesAndExtradata(t *testing.T) {
// Verifies several quirks
// 1. Using dynamic types and only validating the prefix:
//{
// "name": "chainId",
// "type": "uint256 ... and now for something completely different"
//}
// 2. Extra data in message:
//{
// "blahonga": "zonk bonk"
//}
jsonTypedData := `
{
"types": {
"EIP712Domain": [
{
"name": "name",
"type": "string"
},
{
"name": "version",
"type": "string"
},
{
"name": "chainId",
"type": "uint256 ... and now for something completely different"
},
{
"name": "verifyingContract",
"type": "address"
}
],
"Person": [
{
"name": "name",
"type": "string"
},
{
"name": "wallet",
"type": "address"
}
],
"Mail": [
{
"name": "from",
"type": "Person"
},
{
"name": "to",
"type": "Person"
},
{
"name": "contents",
"type": "string"
}
]
},
"primaryType": "Mail",
"domain": {
"name": "Ether Mail",
"version": "1",
"chainId": 1,
"verifyingContract": "0xCCCcccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"message": {
"from": {
"name": "Cow",
"wallet": "0xcD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826"
},
"to": {
"name": "Bob",
"wallet": "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB"
},
"contents": "Hello, Bob!"
}
}
`
var malformedTypedData core.TypedData
err := json.Unmarshal([]byte(jsonTypedData), &malformedTypedData)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
malformedTypedData.Types["EIP712Domain"][2].Type = "uint256"
malformedTypedData.Message["blahonga"] = "zonk bonk"
_, err = malformedTypedData.HashStruct(malformedTypedData.PrimaryType, malformedTypedData.Message)
if err == nil || err.Error() != "there is extra data provided in the message" {
t.Errorf("Expected `there is extra data provided in the message`, got '%v'", err)
}
}
func TestTypeMismatch(t *testing.T) {
// Verifies that:
// 1. Mismatches between the given type and data, i.e. `Person` and
// the data item is a string, are properly caught:
//{
// "name": "contents",
// "type": "Person"
//},
//{
// "contents": "Hello, Bob!" <-- string not "Person"
//}
// 2. Nonexistent types are properly caught:
//{
// "name": "contents",
// "type": "Blahonga"
//}
jsonTypedData := `
{
"types": {
"EIP712Domain": [
{
"name": "name",
"type": "string"
},
{
"name": "version",
"type": "string"
},
{
"name": "chainId",
"type": "uint256"
},
{
"name": "verifyingContract",
"type": "address"
}
],
"Person": [
{
"name": "name",
"type": "string"
},
{
"name": "wallet",
"type": "address"
}
],
"Mail": [
{
"name": "from",
"type": "Person"
},
{
"name": "to",
"type": "Person"
},
{
"name": "contents",
"type": "Person"
}
]
},
"primaryType": "Mail",
"domain": {
"name": "Ether Mail",
"version": "1",
"chainId": 1,
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"message": {
"from": {
"name": "Cow",
"wallet": "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826"
},
"to": {
"name": "Bob",
"wallet": "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB"
},
"contents": "Hello, Bob!"
}
}
`
var mismatchTypedData core.TypedData
err := json.Unmarshal([]byte(jsonTypedData), &mismatchTypedData)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
_, err = mismatchTypedData.HashStruct(mismatchTypedData.PrimaryType, mismatchTypedData.Message)
if err.Error() != "provided data 'Hello, Bob!' doesn't match type 'Person'" {
t.Errorf("Expected `provided data 'Hello, Bob!' doesn't match type 'Person'`, got '%v'", err)
}
mismatchTypedData.Types["Mail"][2].Type = "Blahonga"
_, err = mismatchTypedData.HashStruct(mismatchTypedData.PrimaryType, mismatchTypedData.Message)
if err == nil || err.Error() != "reference type 'Blahonga' is undefined" {
t.Fatalf("Expected `reference type 'Blahonga' is undefined`, got '%v'", err)
}
}
func TestTypeOverflow(t *testing.T) {
// Verifies data that doesn't fit into it:
//{
// "test": 65536 <-- test defined as uint8
//}
var overflowTypedData core.TypedData
err := json.Unmarshal([]byte(jsonTypedData), &overflowTypedData)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
// Set test to something outside uint8
(overflowTypedData.Message["from"]).(map[string]interface{})["test"] = big.NewInt(65536)
_, err = overflowTypedData.HashStruct(overflowTypedData.PrimaryType, overflowTypedData.Message)
if err == nil || err.Error() != "integer larger than 'uint8'" {
t.Fatalf("Expected `integer larger than 'uint8'`, got '%v'", err)
}
(overflowTypedData.Message["from"]).(map[string]interface{})["test"] = big.NewInt(3)
(overflowTypedData.Message["to"]).(map[string]interface{})["test"] = big.NewInt(4)
_, err = overflowTypedData.HashStruct(overflowTypedData.PrimaryType, overflowTypedData.Message)
if err != nil {
t.Fatalf("Expected no err, got '%v'", err)
}
}
func TestArray(t *testing.T) {
// Makes sure that arrays work fine
//{
// "type": "address[]"
//},
//{
// "type": "string[]"
//},
//{
// "type": "uint16[]",
//}
jsonTypedData := `
{
"types": {
"EIP712Domain": [
{
"name": "name",
"type": "string"
},
{
"name": "version",
"type": "string"
},
{
"name": "chainId",
"type": "uint256"
},
{
"name": "verifyingContract",
"type": "address"
}
],
"Foo": [
{
"name": "bar",
"type": "address[]"
}
]
},
"primaryType": "Foo",
"domain": {
"name": "Lorem",
"version": "1",
"chainId": 1,
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"message": {
"bar": [
"0x0000000000000000000000000000000000000001",
"0x0000000000000000000000000000000000000002",
"0x0000000000000000000000000000000000000003"
]
}
}
`
var arrayTypedData core.TypedData
err := json.Unmarshal([]byte(jsonTypedData), &arrayTypedData)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
_, err = arrayTypedData.HashStruct(arrayTypedData.PrimaryType, arrayTypedData.Message)
if err != nil {
t.Fatalf("Expected no err, got '%v'", err)
}
// Change array to string
arrayTypedData.Types["Foo"][0].Type = "string[]"
arrayTypedData.Message["bar"] = []interface{}{
"lorem",
"ipsum",
"dolores",
}
_, err = arrayTypedData.HashStruct(arrayTypedData.PrimaryType, arrayTypedData.Message)
if err != nil {
t.Fatalf("Expected no err, got '%v'", err)
}
// Change array to uint
arrayTypedData.Types["Foo"][0].Type = "uint[]"
arrayTypedData.Message["bar"] = []interface{}{
big.NewInt(1955),
big.NewInt(108),
big.NewInt(44010),
}
_, err = arrayTypedData.HashStruct(arrayTypedData.PrimaryType, arrayTypedData.Message)
if err != nil {
t.Fatalf("Expected no err, got '%v'", err)
}
// Should not work with fixed-size arrays
arrayTypedData.Types["Foo"][0].Type = "uint[3]"
_, err = arrayTypedData.HashStruct(arrayTypedData.PrimaryType, arrayTypedData.Message)
if err == nil || err.Error() != "unknown type 'uint[3]'" {
t.Fatalf("Expected `unknown type 'uint[3]'`, got '%v'", err)
}
}
func TestCustomTypeAsArray(t *testing.T) {
var jsonTypedData = `
{
"types": {
"EIP712Domain": [
{
"name": "name",
"type": "string"
},
{
"name": "version",
"type": "string"
},
{
"name": "chainId",
"type": "uint256"
},
{
"name": "verifyingContract",
"type": "address"
}
],
"Person": [
{
"name": "name",
"type": "string"
},
{
"name": "wallet",
"type": "address"
}
],
"Person[]": [
{
"name": "baz",
"type": "string"
}
],
"Mail": [
{
"name": "from",
"type": "Person"
},
{
"name": "to",
"type": "Person[]"
},
{
"name": "contents",
"type": "string"
}
]
},
"primaryType": "Mail",
"domain": {
"name": "Ether Mail",
"version": "1",
"chainId": 1,
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"message": {
"from": {
"name": "Cow",
"wallet": "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826"
},
"to": {"baz": "foo"},
"contents": "Hello, Bob!"
}
}
`
var malformedTypedData core.TypedData
err := json.Unmarshal([]byte(jsonTypedData), &malformedTypedData)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
_, err = malformedTypedData.HashStruct("EIP712Domain", malformedTypedData.Domain.Map())
if err != nil {
t.Errorf("Expected no error, got '%v'", err)
}
}
func TestFormatter(t *testing.T) {
var d core.TypedData
err := json.Unmarshal([]byte(jsonTypedData), &d)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
formatted := d.Format()
for _, item := range formatted {
fmt.Printf("'%v'\n", item.Pprint(0))
}
j, _ := json.Marshal(formatted)
fmt.Printf("'%v'\n", string(j))
}