mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.1 KiB
69 lines
2.1 KiB
// Copyright 2023 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 ethtest
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/golang-jwt/jwt/v4"
|
|
)
|
|
|
|
// EngineClient is a wrapper around engine-related data.
|
|
type EngineClient struct {
|
|
url string
|
|
jwt [32]byte
|
|
headfcu []byte
|
|
}
|
|
|
|
// NewEngineClient creates a new engine client.
|
|
func NewEngineClient(dir, url, jwt string) (*EngineClient, error) {
|
|
headfcu, err := os.ReadFile(filepath.Join(dir, "headfcu.json"))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to read headfcu: %w", err)
|
|
}
|
|
return &EngineClient{url, common.HexToHash(jwt), headfcu}, nil
|
|
}
|
|
|
|
// token returns the jwt claim token for authorization.
|
|
func (ec *EngineClient) token() string {
|
|
claims := jwt.RegisteredClaims{IssuedAt: jwt.NewNumericDate(time.Now())}
|
|
token, _ := jwt.NewWithClaims(jwt.SigningMethodHS256, claims).SignedString(ec.jwt[:])
|
|
return token
|
|
}
|
|
|
|
// sendForkchoiceUpdated sends an fcu for the head of the generated chain.
|
|
func (ec *EngineClient) sendForkchoiceUpdated() error {
|
|
var (
|
|
req, _ = http.NewRequest(http.MethodPost, ec.url, io.NopCloser(bytes.NewReader(ec.headfcu)))
|
|
header = make(http.Header)
|
|
)
|
|
// Set header
|
|
header.Set("accept", "application/json")
|
|
header.Set("content-type", "application/json")
|
|
header.Set("Authorization", fmt.Sprintf("Bearer %v", ec.token()))
|
|
req.Header = header
|
|
|
|
_, err := new(http.Client).Do(req)
|
|
return err
|
|
}
|
|
|