70 lines
2.8 KiB
Go
70 lines
2.8 KiB
Go
// Copyright 2024 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 main
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/beacon/engine"
|
|
"github.com/ethereum/go-ethereum/beacon/types"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/rpc"
|
|
)
|
|
|
|
func updateEngineApi(client *rpc.Client, headCh chan types.ChainHeadEvent) {
|
|
for event := range headCh {
|
|
if client == nil { // dry run, no engine API specified
|
|
log.Info("New execution block retrieved", "block number", event.HeadBlock.Number, "block hash", event.HeadBlock.BlockHash, "finalized block hash", event.Finalized)
|
|
} else {
|
|
if status, err := callNewPayloadV2(client, event.HeadBlock); err == nil {
|
|
log.Info("Successful NewPayload", "block number", event.HeadBlock.Number, "block hash", event.HeadBlock.BlockHash, "status", status)
|
|
} else {
|
|
log.Error("Failed NewPayload", "block number", event.HeadBlock.Number, "block hash", event.HeadBlock.BlockHash, "error", err)
|
|
}
|
|
if status, err := callForkchoiceUpdatedV1(client, event.HeadBlock.BlockHash, event.Finalized); err == nil {
|
|
log.Info("Successful ForkchoiceUpdated", "head", event.HeadBlock.BlockHash, "status", status)
|
|
} else {
|
|
log.Error("Failed ForkchoiceUpdated", "head", event.HeadBlock.BlockHash, "error", err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func callNewPayloadV2(client *rpc.Client, execData *engine.ExecutableData) (string, error) {
|
|
var resp engine.PayloadStatusV1
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
|
|
err := client.CallContext(ctx, &resp, "engine_newPayloadV2", execData)
|
|
cancel()
|
|
return resp.Status, err
|
|
}
|
|
|
|
func callForkchoiceUpdatedV1(client *rpc.Client, headHash, finalizedHash common.Hash) (string, error) {
|
|
var resp engine.ForkChoiceResponse
|
|
update := engine.ForkchoiceStateV1{
|
|
HeadBlockHash: headHash,
|
|
SafeBlockHash: finalizedHash,
|
|
FinalizedBlockHash: finalizedHash,
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
|
|
err := client.CallContext(ctx, &resp, "engine_forkchoiceUpdatedV1", update, nil)
|
|
cancel()
|
|
return resp.PayloadStatus.Status, err
|
|
}
|