89cefe240f
Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. Package path implements utility routines for manipulating slash-separated paths. The path package should only be used for paths separated by forward slashes, such as the paths in URLs
70 lines
2.1 KiB
Go
70 lines
2.1 KiB
Go
// Copyright 2023 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package ethtest
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import (
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"bytes"
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"fmt"
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"io"
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"net/http"
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"os"
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"path/filepath"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/golang-jwt/jwt/v4"
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)
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// EngineClient is a wrapper around engine-related data.
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type EngineClient struct {
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url string
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jwt [32]byte
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headfcu []byte
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}
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// NewEngineClient creates a new engine client.
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func NewEngineClient(dir, url, jwt string) (*EngineClient, error) {
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headfcu, err := os.ReadFile(filepath.Join(dir, "headfcu.json"))
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if err != nil {
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return nil, fmt.Errorf("failed to read headfcu: %w", err)
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}
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return &EngineClient{url, common.HexToHash(jwt), headfcu}, nil
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}
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// token returns the jwt claim token for authorization.
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func (ec *EngineClient) token() string {
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claims := jwt.RegisteredClaims{IssuedAt: jwt.NewNumericDate(time.Now())}
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token, _ := jwt.NewWithClaims(jwt.SigningMethodHS256, claims).SignedString(ec.jwt[:])
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return token
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}
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// sendForkchoiceUpdated sends an fcu for the head of the generated chain.
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func (ec *EngineClient) sendForkchoiceUpdated() error {
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var (
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req, _ = http.NewRequest(http.MethodPost, ec.url, io.NopCloser(bytes.NewReader(ec.headfcu)))
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header = make(http.Header)
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)
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// Set header
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header.Set("accept", "application/json")
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header.Set("content-type", "application/json")
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header.Set("Authorization", fmt.Sprintf("Bearer %v", ec.token()))
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req.Header = header
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_, err := new(http.Client).Do(req)
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return err
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}
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