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e40aa46e88
implements https://github.com/ethereum/execution-apis/pull/710/changes#r2712256529 --------- Co-authored-by: Felix Lange <fjl@twurst.com>
79 lines
2.8 KiB
Go
79 lines
2.8 KiB
Go
// Copyright 2026 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package catalyst
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import (
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"errors"
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"github.com/ethereum/go-ethereum/beacon/engine"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/miner"
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"github.com/ethereum/go-ethereum/rpc"
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)
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// testingAPI implements the testing_ namespace.
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// It's an engine-API adjacent namespace for testing purposes.
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type testingAPI struct {
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eth *eth.Ethereum
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}
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func newTestingAPI(backend *eth.Ethereum) rpc.API {
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return rpc.API{
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Namespace: "testing",
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Service: &testingAPI{backend},
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Version: "1.0",
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Authenticated: false,
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}
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}
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func (api *testingAPI) BuildBlockV1(parentHash common.Hash, payloadAttributes engine.PayloadAttributes, transactions *[]hexutil.Bytes, extraData *hexutil.Bytes) (*engine.ExecutionPayloadEnvelope, error) {
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if api.eth.BlockChain().CurrentBlock().Hash() != parentHash {
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return nil, errors.New("parentHash is not current head")
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}
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// If transactions is empty but not nil, build an empty block
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// If the transactions is nil, build a block with the current transactions from the txpool
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// If the transactions is not nil and not empty, build a block with the transactions
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buildEmpty := transactions != nil && len(*transactions) == 0
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var txs []*types.Transaction
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if transactions != nil {
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dec := make([][]byte, 0, len(*transactions))
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for _, tx := range *transactions {
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dec = append(dec, tx)
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}
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var err error
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txs, err = engine.DecodeTransactions(dec)
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if err != nil {
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return nil, err
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}
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}
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extra := make([]byte, 0)
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if extraData != nil {
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extra = *extraData
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}
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args := &miner.BuildPayloadArgs{
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Parent: parentHash,
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Timestamp: payloadAttributes.Timestamp,
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FeeRecipient: payloadAttributes.SuggestedFeeRecipient,
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Random: payloadAttributes.Random,
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Withdrawals: payloadAttributes.Withdrawals,
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BeaconRoot: payloadAttributes.BeaconRoot,
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}
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return api.eth.Miner().BuildTestingPayload(args, txs, buildEmpty, extra)
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}
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