go-ethereum/signer/core/signed_data_test.go

535 lines
15 KiB
Go

// Copyright 2019 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 core_test
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io/ioutil"
"path"
"strings"
"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/common/math"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/signer/core"
"github.com/ethereum/go-ethereum/signer/core/apitypes"
)
var typesStandard = apitypes.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 = apitypes.TypedDataDomain{
Name: "Ether Mail",
Version: "1",
ChainId: math.NewHexOrDecimal256(1),
VerifyingContract: "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
Salt: "",
}
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 = apitypes.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(), apitypes.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(), apitypes.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(), apitypes.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 := apitypes.TypedData{
Types: apitypes.Types{
"EIP712Domain": []apitypes.Type{
{Name: "name", Type: "string"},
},
},
Domain: apitypes.TypedDataDomain{
Name: "test",
},
}
if _, ok := withoutChainID.Domain.Map()["chainId"]; ok {
t.Errorf("Expected the chainId key to not be present in the domain map")
}
// should encode successfully
if _, err := withoutChainID.HashStruct("EIP712Domain", withoutChainID.Domain.Map()); err != nil {
t.Errorf("Expected the typedData to encode the domain successfully, got %v", err)
}
withChainID := apitypes.TypedData{
Types: apitypes.Types{
"EIP712Domain": []apitypes.Type{
{Name: "name", Type: "string"},
{Name: "chainId", Type: "uint256"},
},
},
Domain: apitypes.TypedDataDomain{
Name: "test",
ChainId: math.NewHexOrDecimal256(1),
},
}
if _, ok := withChainID.Domain.Map()["chainId"]; !ok {
t.Errorf("Expected the chainId key be present in the domain map")
}
// should encode successfully
if _, err := withChainID.HashStruct("EIP712Domain", withChainID.Domain.Map()); err != nil {
t.Errorf("Expected the typedData to encode the domain successfully, got %v", err)
}
}
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 TestFormatter(t *testing.T) {
var d apitypes.TypedData
err := json.Unmarshal([]byte(jsonTypedData), &d)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
formatted, _ := d.Format()
for _, item := range formatted {
t.Logf("'%v'\n", item.Pprint(0))
}
j, _ := json.Marshal(formatted)
t.Logf("'%v'\n", string(j))
}
func sign(typedData apitypes.TypedData) ([]byte, []byte, error) {
domainSeparator, err := typedData.HashStruct("EIP712Domain", typedData.Domain.Map())
if err != nil {
return nil, nil, err
}
typedDataHash, err := typedData.HashStruct(typedData.PrimaryType, typedData.Message)
if err != nil {
return nil, nil, err
}
rawData := []byte(fmt.Sprintf("\x19\x01%s%s", string(domainSeparator), string(typedDataHash)))
sighash := crypto.Keccak256(rawData)
return typedDataHash, sighash, nil
}
func TestJsonFiles(t *testing.T) {
testfiles, err := ioutil.ReadDir("testdata/")
if err != nil {
t.Fatalf("failed reading files: %v", err)
}
for i, fInfo := range testfiles {
if !strings.HasSuffix(fInfo.Name(), "json") {
continue
}
expectedFailure := strings.HasPrefix(fInfo.Name(), "expfail")
data, err := ioutil.ReadFile(path.Join("testdata", fInfo.Name()))
if err != nil {
t.Errorf("Failed to read file %v: %v", fInfo.Name(), err)
continue
}
var typedData apitypes.TypedData
err = json.Unmarshal(data, &typedData)
if err != nil {
t.Errorf("Test %d, file %v, json unmarshalling failed: %v", i, fInfo.Name(), err)
continue
}
_, _, err = sign(typedData)
t.Logf("Error %v\n", err)
if err != nil && !expectedFailure {
t.Errorf("Test %d failed, file %v: %v", i, fInfo.Name(), err)
}
if expectedFailure && err == nil {
t.Errorf("Test %d succeeded (expected failure), file %v: %v", i, fInfo.Name(), err)
}
}
}
// TestFuzzerFiles tests some files that have been found by fuzzing to cause
// crashes or hangs.
func TestFuzzerFiles(t *testing.T) {
corpusdir := path.Join("testdata", "fuzzing")
testfiles, err := ioutil.ReadDir(corpusdir)
if err != nil {
t.Fatalf("failed reading files: %v", err)
}
verbose := false
for i, fInfo := range testfiles {
data, err := ioutil.ReadFile(path.Join(corpusdir, fInfo.Name()))
if err != nil {
t.Errorf("Failed to read file %v: %v", fInfo.Name(), err)
continue
}
var typedData apitypes.TypedData
err = json.Unmarshal(data, &typedData)
if err != nil {
t.Errorf("Test %d, file %v, json unmarshalling failed: %v", i, fInfo.Name(), err)
continue
}
_, err = typedData.EncodeData("EIP712Domain", typedData.Domain.Map(), 1)
if verbose && err != nil {
t.Logf("%d, EncodeData[1] err: %v\n", i, err)
}
_, err = typedData.EncodeData(typedData.PrimaryType, typedData.Message, 1)
if verbose && err != nil {
t.Logf("%d, EncodeData[2] err: %v\n", i, err)
}
typedData.Format()
}
}
var gnosisTypedData = `
{
"types": {
"EIP712Domain": [
{ "type": "address", "name": "verifyingContract" }
],
"SafeTx": [
{ "type": "address", "name": "to" },
{ "type": "uint256", "name": "value" },
{ "type": "bytes", "name": "data" },
{ "type": "uint8", "name": "operation" },
{ "type": "uint256", "name": "safeTxGas" },
{ "type": "uint256", "name": "baseGas" },
{ "type": "uint256", "name": "gasPrice" },
{ "type": "address", "name": "gasToken" },
{ "type": "address", "name": "refundReceiver" },
{ "type": "uint256", "name": "nonce" }
]
},
"domain": {
"verifyingContract": "0x25a6c4BBd32B2424A9c99aEB0584Ad12045382B3"
},
"primaryType": "SafeTx",
"message": {
"to": "0x9eE457023bB3De16D51A003a247BaEaD7fce313D",
"value": "20000000000000000",
"data": "0x",
"operation": 0,
"safeTxGas": 27845,
"baseGas": 0,
"gasPrice": "0",
"gasToken": "0x0000000000000000000000000000000000000000",
"refundReceiver": "0x0000000000000000000000000000000000000000",
"nonce": 3
}
}`
var gnosisTx = `
{
"safe": "0x25a6c4BBd32B2424A9c99aEB0584Ad12045382B3",
"to": "0x9eE457023bB3De16D51A003a247BaEaD7fce313D",
"value": "20000000000000000",
"data": null,
"operation": 0,
"gasToken": "0x0000000000000000000000000000000000000000",
"safeTxGas": 27845,
"baseGas": 0,
"gasPrice": "0",
"refundReceiver": "0x0000000000000000000000000000000000000000",
"nonce": 3,
"executionDate": null,
"submissionDate": "2020-09-15T21:59:23.815748Z",
"modified": "2020-09-15T21:59:23.815748Z",
"blockNumber": null,
"transactionHash": null,
"safeTxHash": "0x28bae2bd58d894a1d9b69e5e9fde3570c4b98a6fc5499aefb54fb830137e831f",
"executor": null,
"isExecuted": false,
"isSuccessful": null,
"ethGasPrice": null,
"gasUsed": null,
"fee": null,
"origin": null,
"dataDecoded": null,
"confirmationsRequired": null,
"confirmations": [
{
"owner": "0xAd2e180019FCa9e55CADe76E4487F126Fd08DA34",
"submissionDate": "2020-09-15T21:59:28.281243Z",
"transactionHash": null,
"confirmationType": "CONFIRMATION",
"signature": "0x5e562065a0cb15d766dac0cd49eb6d196a41183af302c4ecad45f1a81958d7797753f04424a9b0aa1cb0448e4ec8e189540fbcdda7530ef9b9d95dfc2d36cb521b",
"signatureType": "EOA"
}
],
"signatures": null
}
`
// TestGnosisTypedData tests the scenario where a user submits a full EIP-712
// struct without using the gnosis-specific endpoint
func TestGnosisTypedData(t *testing.T) {
var td apitypes.TypedData
err := json.Unmarshal([]byte(gnosisTypedData), &td)
if err != nil {
t.Fatalf("unmarshalling failed '%v'", err)
}
_, sighash, err := sign(td)
if err != nil {
t.Fatal(err)
}
expSigHash := common.FromHex("0x28bae2bd58d894a1d9b69e5e9fde3570c4b98a6fc5499aefb54fb830137e831f")
if !bytes.Equal(expSigHash, sighash) {
t.Fatalf("Error, got %x, wanted %x", sighash, expSigHash)
}
}
// TestGnosisCustomData tests the scenario where a user submits only the gnosis-safe
// specific data, and we fill the TypedData struct on our side
func TestGnosisCustomData(t *testing.T) {
var tx core.GnosisSafeTx
err := json.Unmarshal([]byte(gnosisTx), &tx)
if err != nil {
t.Fatal(err)
}
var td = tx.ToTypedData()
_, sighash, err := sign(td)
if err != nil {
t.Fatal(err)
}
expSigHash := common.FromHex("0x28bae2bd58d894a1d9b69e5e9fde3570c4b98a6fc5499aefb54fb830137e831f")
if !bytes.Equal(expSigHash, sighash) {
t.Fatalf("Error, got %x, wanted %x", sighash, expSigHash)
}
}