mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-23 04:03:49 +00:00
2fa448c45f
See https://github.com/ethereum/execution-apis/pull/366 and https://github.com/ethereum/execution-apis/pull/370. Also fix a couple of issues so that the Hive tests pass.
473 lines
18 KiB
Go
473 lines
18 KiB
Go
package commands
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import (
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"context"
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"encoding/binary"
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"fmt"
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"math/big"
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"github.com/holiman/uint256"
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"github.com/ledgerwatch/log/v3"
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"github.com/ledgerwatch/erigon-lib/common"
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"github.com/ledgerwatch/erigon-lib/gointerfaces"
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"github.com/ledgerwatch/erigon-lib/gointerfaces/remote"
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types2 "github.com/ledgerwatch/erigon-lib/gointerfaces/types"
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"github.com/ledgerwatch/erigon-lib/kv"
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"github.com/ledgerwatch/erigon/common/hexutil"
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"github.com/ledgerwatch/erigon/core/rawdb"
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"github.com/ledgerwatch/erigon/core/types"
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"github.com/ledgerwatch/erigon/ethdb/privateapi"
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"github.com/ledgerwatch/erigon/rpc"
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"github.com/ledgerwatch/erigon/turbo/rpchelper"
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)
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// ExecutionPayload represents an execution payload (aka block)
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type ExecutionPayload struct {
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ParentHash common.Hash `json:"parentHash" gencodec:"required"`
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FeeRecipient common.Address `json:"feeRecipient" gencodec:"required"`
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StateRoot common.Hash `json:"stateRoot" gencodec:"required"`
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ReceiptsRoot common.Hash `json:"receiptsRoot" gencodec:"required"`
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LogsBloom hexutil.Bytes `json:"logsBloom" gencodec:"required"`
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PrevRandao common.Hash `json:"prevRandao" gencodec:"required"`
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BlockNumber hexutil.Uint64 `json:"blockNumber" gencodec:"required"`
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GasLimit hexutil.Uint64 `json:"gasLimit" gencodec:"required"`
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GasUsed hexutil.Uint64 `json:"gasUsed" gencodec:"required"`
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Timestamp hexutil.Uint64 `json:"timestamp" gencodec:"required"`
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ExtraData hexutil.Bytes `json:"extraData" gencodec:"required"`
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BaseFeePerGas *hexutil.Big `json:"baseFeePerGas" gencodec:"required"`
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BlockHash common.Hash `json:"blockHash" gencodec:"required"`
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Transactions []hexutil.Bytes `json:"transactions" gencodec:"required"`
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Withdrawals []*types.Withdrawal `json:"withdrawals"`
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}
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// GetPayloadV2Response represents the response of the getPayloadV2 method
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type GetPayloadV2Response struct {
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ExecutionPayload *ExecutionPayload `json:"executionPayload" gencodec:"required"`
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BlockValue *hexutil.Big `json:"blockValue" gencodec:"required"`
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}
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// PayloadAttributes represent the attributes required to start assembling a payload
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type ForkChoiceState struct {
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HeadHash common.Hash `json:"headBlockHash" gencodec:"required"`
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SafeBlockHash common.Hash `json:"safeBlockHash" gencodec:"required"`
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FinalizedBlockHash common.Hash `json:"finalizedBlockHash" gencodec:"required"`
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}
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// PayloadAttributes represent the attributes required to start assembling a payload
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type PayloadAttributes struct {
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Timestamp hexutil.Uint64 `json:"timestamp" gencodec:"required"`
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PrevRandao common.Hash `json:"prevRandao" gencodec:"required"`
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SuggestedFeeRecipient common.Address `json:"suggestedFeeRecipient" gencodec:"required"`
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Withdrawals []*types.Withdrawal `json:"withdrawals"`
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}
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// TransitionConfiguration represents the correct configurations of the CL and the EL
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type TransitionConfiguration struct {
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TerminalTotalDifficulty *hexutil.Big `json:"terminalTotalDifficulty" gencodec:"required"`
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TerminalBlockHash common.Hash `json:"terminalBlockHash" gencodec:"required"`
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TerminalBlockNumber *hexutil.Big `json:"terminalBlockNumber" gencodec:"required"`
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}
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type ExecutionPayloadBodyV1 struct {
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Transactions []hexutil.Bytes `json:"transactions" gencodec:"required"`
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Withdrawals []*types.Withdrawal `json:"withdrawals" gencodec:"required"`
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}
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// EngineAPI Beacon chain communication endpoint
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type EngineAPI interface {
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NewPayloadV1(context.Context, *ExecutionPayload) (map[string]interface{}, error)
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NewPayloadV2(context.Context, *ExecutionPayload) (map[string]interface{}, error)
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ForkchoiceUpdatedV1(ctx context.Context, forkChoiceState *ForkChoiceState, payloadAttributes *PayloadAttributes) (map[string]interface{}, error)
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ForkchoiceUpdatedV2(ctx context.Context, forkChoiceState *ForkChoiceState, payloadAttributes *PayloadAttributes) (map[string]interface{}, error)
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GetPayloadV1(ctx context.Context, payloadID hexutil.Bytes) (*ExecutionPayload, error)
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GetPayloadV2(ctx context.Context, payloadID hexutil.Bytes) (*GetPayloadV2Response, error)
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ExchangeTransitionConfigurationV1(ctx context.Context, transitionConfiguration *TransitionConfiguration) (*TransitionConfiguration, error)
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GetPayloadBodiesByHashV1(ctx context.Context, hashes []common.Hash) ([]*ExecutionPayloadBodyV1, error)
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GetPayloadBodiesByRangeV1(ctx context.Context, start uint64, count uint64) ([]*ExecutionPayloadBodyV1, error)
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}
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// EngineImpl is implementation of the EngineAPI interface
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type EngineImpl struct {
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*BaseAPI
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db kv.RoDB
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api rpchelper.ApiBackend
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internalCL bool
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}
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func convertPayloadStatus(ctx context.Context, db kv.RoDB, x *remote.EnginePayloadStatus) (map[string]interface{}, error) {
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json := map[string]interface{}{
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"status": x.Status.String(),
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}
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if x.ValidationError != "" {
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json["validationError"] = x.ValidationError
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}
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if x.LatestValidHash == nil || (x.Status != remote.EngineStatus_VALID && x.Status != remote.EngineStatus_INVALID) {
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return json, nil
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}
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latestValidHash := common.Hash(gointerfaces.ConvertH256ToHash(x.LatestValidHash))
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if latestValidHash == (common.Hash{}) || x.Status == remote.EngineStatus_VALID {
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json["latestValidHash"] = latestValidHash
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return json, nil
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}
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// Per the Engine API spec latestValidHash should be set to 0x0000000000000000000000000000000000000000000000000000000000000000
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// if it refers to a PoW block.
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tx, err := db.BeginRo(ctx)
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if err != nil {
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return nil, err
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}
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defer tx.Rollback()
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isValidHashPos, err := rawdb.IsPosBlock(tx, latestValidHash)
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if err != nil {
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return nil, err
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}
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if isValidHashPos {
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json["latestValidHash"] = latestValidHash
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} else {
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json["latestValidHash"] = common.Hash{}
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}
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return json, nil
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}
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// Engine API specifies that payloadId is 8 bytes
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func addPayloadId(json map[string]interface{}, payloadId uint64) {
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if payloadId != 0 {
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encodedPayloadId := make([]byte, 8)
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binary.BigEndian.PutUint64(encodedPayloadId, payloadId)
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json["payloadId"] = hexutil.Bytes(encodedPayloadId)
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}
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}
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func (e *EngineImpl) ForkchoiceUpdatedV1(ctx context.Context, forkChoiceState *ForkChoiceState, payloadAttributes *PayloadAttributes) (map[string]interface{}, error) {
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return e.forkchoiceUpdated(1, ctx, forkChoiceState, payloadAttributes)
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}
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func (e *EngineImpl) ForkchoiceUpdatedV2(ctx context.Context, forkChoiceState *ForkChoiceState, payloadAttributes *PayloadAttributes) (map[string]interface{}, error) {
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return e.forkchoiceUpdated(2, ctx, forkChoiceState, payloadAttributes)
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}
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func (e *EngineImpl) forkchoiceUpdated(version uint32, ctx context.Context, forkChoiceState *ForkChoiceState, payloadAttributes *PayloadAttributes) (map[string]interface{}, error) {
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if e.internalCL {
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log.Error("EXTERNAL CONSENSUS LAYER IS NOT ENABLED, PLEASE RESTART WITH FLAG --externalcl")
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return nil, fmt.Errorf("engine api should not be used, restart with --externalcl")
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}
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log.Debug("Received ForkchoiceUpdated", "version", version, "head", forkChoiceState.HeadHash, "safe", forkChoiceState.HeadHash, "finalized", forkChoiceState.FinalizedBlockHash,
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"build", payloadAttributes != nil)
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var attributes *remote.EnginePayloadAttributes
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if payloadAttributes != nil {
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attributes = &remote.EnginePayloadAttributes{
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Version: 1,
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Timestamp: uint64(payloadAttributes.Timestamp),
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PrevRandao: gointerfaces.ConvertHashToH256(payloadAttributes.PrevRandao),
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SuggestedFeeRecipient: gointerfaces.ConvertAddressToH160(payloadAttributes.SuggestedFeeRecipient),
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}
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if version >= 2 && payloadAttributes.Withdrawals != nil {
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attributes.Version = 2
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attributes.Withdrawals = privateapi.ConvertWithdrawalsToRpc(payloadAttributes.Withdrawals)
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}
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}
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reply, err := e.api.EngineForkchoiceUpdated(ctx, &remote.EngineForkChoiceUpdatedRequest{
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ForkchoiceState: &remote.EngineForkChoiceState{
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HeadBlockHash: gointerfaces.ConvertHashToH256(forkChoiceState.HeadHash),
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SafeBlockHash: gointerfaces.ConvertHashToH256(forkChoiceState.SafeBlockHash),
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FinalizedBlockHash: gointerfaces.ConvertHashToH256(forkChoiceState.FinalizedBlockHash),
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},
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PayloadAttributes: attributes,
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})
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if err != nil {
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return nil, err
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}
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payloadStatus, err := convertPayloadStatus(ctx, e.db, reply.PayloadStatus)
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if err != nil {
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return nil, err
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}
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json := map[string]interface{}{
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"payloadStatus": payloadStatus,
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}
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addPayloadId(json, reply.PayloadId)
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return json, nil
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}
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// NewPayloadV1 processes new payloads (blocks) from the beacon chain without withdrawals.
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// See https://github.com/ethereum/execution-apis/blob/main/src/engine/paris.md#engine_newpayloadv1
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func (e *EngineImpl) NewPayloadV1(ctx context.Context, payload *ExecutionPayload) (map[string]interface{}, error) {
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return e.newPayload(1, ctx, payload)
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}
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// NewPayloadV2 processes new payloads (blocks) from the beacon chain with withdrawals.
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// See https://github.com/ethereum/execution-apis/blob/main/src/engine/shanghai.md#engine_newpayloadv2
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func (e *EngineImpl) NewPayloadV2(ctx context.Context, payload *ExecutionPayload) (map[string]interface{}, error) {
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return e.newPayload(2, ctx, payload)
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}
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func (e *EngineImpl) newPayload(version uint32, ctx context.Context, payload *ExecutionPayload) (map[string]interface{}, error) {
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if e.internalCL {
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log.Error("EXTERNAL CONSENSUS LAYER IS NOT ENABLED, PLEASE RESTART WITH FLAG --externalcl")
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return nil, fmt.Errorf("engine api should not be used, restart with --externalcl")
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}
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log.Debug("Received NewPayload", "version", version, "height", uint64(payload.BlockNumber), "hash", payload.BlockHash)
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baseFee, overflow := uint256.FromBig((*big.Int)(payload.BaseFeePerGas))
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if overflow {
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log.Warn("NewPayload BaseFeePerGas overflow")
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return nil, fmt.Errorf("invalid request")
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}
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// Convert slice of hexutil.Bytes to a slice of slice of bytes
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transactions := make([][]byte, len(payload.Transactions))
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for i, transaction := range payload.Transactions {
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transactions[i] = transaction
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}
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ep := &types2.ExecutionPayload{
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Version: 1,
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ParentHash: gointerfaces.ConvertHashToH256(payload.ParentHash),
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Coinbase: gointerfaces.ConvertAddressToH160(payload.FeeRecipient),
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StateRoot: gointerfaces.ConvertHashToH256(payload.StateRoot),
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ReceiptRoot: gointerfaces.ConvertHashToH256(payload.ReceiptsRoot),
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LogsBloom: gointerfaces.ConvertBytesToH2048(payload.LogsBloom),
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PrevRandao: gointerfaces.ConvertHashToH256(payload.PrevRandao),
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BlockNumber: uint64(payload.BlockNumber),
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GasLimit: uint64(payload.GasLimit),
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GasUsed: uint64(payload.GasUsed),
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Timestamp: uint64(payload.Timestamp),
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ExtraData: payload.ExtraData,
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BaseFeePerGas: gointerfaces.ConvertUint256IntToH256(baseFee),
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BlockHash: gointerfaces.ConvertHashToH256(payload.BlockHash),
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Transactions: transactions,
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}
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if version >= 2 && payload.Withdrawals != nil {
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ep.Version = 2
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ep.Withdrawals = privateapi.ConvertWithdrawalsToRpc(payload.Withdrawals)
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}
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res, err := e.api.EngineNewPayload(ctx, ep)
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if err != nil {
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log.Warn("NewPayload", "err", err)
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return nil, err
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}
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return convertPayloadStatus(ctx, e.db, res)
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}
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func convertPayloadFromRpc(payload *types2.ExecutionPayload) *ExecutionPayload {
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var bloom types.Bloom = gointerfaces.ConvertH2048ToBloom(payload.LogsBloom)
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baseFee := gointerfaces.ConvertH256ToUint256Int(payload.BaseFeePerGas).ToBig()
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// Convert slice of hexutil.Bytes to a slice of slice of bytes
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transactions := make([]hexutil.Bytes, len(payload.Transactions))
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for i, transaction := range payload.Transactions {
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transactions[i] = transaction
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}
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res := &ExecutionPayload{
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ParentHash: gointerfaces.ConvertH256ToHash(payload.ParentHash),
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FeeRecipient: gointerfaces.ConvertH160toAddress(payload.Coinbase),
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StateRoot: gointerfaces.ConvertH256ToHash(payload.StateRoot),
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ReceiptsRoot: gointerfaces.ConvertH256ToHash(payload.ReceiptRoot),
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LogsBloom: bloom[:],
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PrevRandao: gointerfaces.ConvertH256ToHash(payload.PrevRandao),
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BlockNumber: hexutil.Uint64(payload.BlockNumber),
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GasLimit: hexutil.Uint64(payload.GasLimit),
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GasUsed: hexutil.Uint64(payload.GasUsed),
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Timestamp: hexutil.Uint64(payload.Timestamp),
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ExtraData: payload.ExtraData,
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BaseFeePerGas: (*hexutil.Big)(baseFee),
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BlockHash: gointerfaces.ConvertH256ToHash(payload.BlockHash),
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Transactions: transactions,
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}
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if payload.Version >= 2 {
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res.Withdrawals = privateapi.ConvertWithdrawalsFromRpc(payload.Withdrawals)
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}
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return res
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}
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func (e *EngineImpl) GetPayloadV1(ctx context.Context, payloadID hexutil.Bytes) (*ExecutionPayload, error) {
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if e.internalCL {
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log.Error("EXTERNAL CONSENSUS LAYER IS NOT ENABLED, PLEASE RESTART WITH FLAG --externalcl")
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return nil, fmt.Errorf("engine api should not be used, restart with --externalcl")
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}
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decodedPayloadId := binary.BigEndian.Uint64(payloadID)
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log.Info("Received GetPayloadV1", "payloadId", decodedPayloadId)
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response, err := e.api.EngineGetPayload(ctx, decodedPayloadId)
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if err != nil {
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return nil, err
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}
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return convertPayloadFromRpc(response.ExecutionPayload), nil
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}
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func (e *EngineImpl) GetPayloadV2(ctx context.Context, payloadID hexutil.Bytes) (*GetPayloadV2Response, error) {
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if e.internalCL {
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log.Error("EXTERNAL CONSENSUS LAYER IS NOT ENABLED, PLEASE RESTART WITH FLAG --externalcl")
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return nil, fmt.Errorf("engine api should not be used, restart with --externalcl")
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}
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decodedPayloadId := binary.BigEndian.Uint64(payloadID)
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log.Info("Received GetPayloadV2", "payloadId", decodedPayloadId)
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response, err := e.api.EngineGetPayload(ctx, decodedPayloadId)
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if err != nil {
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return nil, err
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}
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epl := convertPayloadFromRpc(response.ExecutionPayload)
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blockValue := gointerfaces.ConvertH256ToUint256Int(response.BlockValue).ToBig()
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return &GetPayloadV2Response{
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epl,
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(*hexutil.Big)(blockValue),
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}, nil
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}
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// Receives consensus layer's transition configuration and checks if the execution layer has the correct configuration.
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// Can also be used to ping the execution layer (heartbeats).
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// See https://github.com/ethereum/execution-apis/blob/v1.0.0-beta.1/src/engine/specification.md#engine_exchangetransitionconfigurationv1
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func (e *EngineImpl) ExchangeTransitionConfigurationV1(ctx context.Context, beaconConfig *TransitionConfiguration) (*TransitionConfiguration, error) {
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if e.internalCL {
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log.Error("EXTERNAL CONSENSUS LAYER IS NOT ENABLED, PLEASE RESTART WITH FLAG --externalcl")
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return nil, fmt.Errorf("engine api should not be used, restart with --externalcl")
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}
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tx, err := e.db.BeginRo(ctx)
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if err != nil {
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return nil, err
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}
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defer tx.Rollback()
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chainConfig, err := e.BaseAPI.chainConfig(tx)
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if err != nil {
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return nil, err
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}
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terminalTotalDifficulty := chainConfig.TerminalTotalDifficulty
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if terminalTotalDifficulty == nil {
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return nil, fmt.Errorf("the execution layer doesn't have a terminal total difficulty. expected: %v", beaconConfig.TerminalTotalDifficulty)
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}
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if terminalTotalDifficulty.Cmp((*big.Int)(beaconConfig.TerminalTotalDifficulty)) != 0 {
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return nil, fmt.Errorf("the execution layer has a wrong terminal total difficulty. expected %v, but instead got: %d", beaconConfig.TerminalTotalDifficulty, terminalTotalDifficulty)
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}
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return &TransitionConfiguration{
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TerminalTotalDifficulty: (*hexutil.Big)(terminalTotalDifficulty),
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TerminalBlockHash: common.Hash{},
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TerminalBlockNumber: (*hexutil.Big)(common.Big0),
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}, nil
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}
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func (e *EngineImpl) GetPayloadBodiesByHashV1(ctx context.Context, hashes []common.Hash) ([]*ExecutionPayloadBodyV1, error) {
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if len(hashes) > 1024 {
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return nil, &privateapi.TooLargeRequestErr
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}
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h := make([]*types2.H256, len(hashes))
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for i, hash := range hashes {
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h[i] = gointerfaces.ConvertHashToH256(hash)
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}
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apiRes, err := e.api.EngineGetPayloadBodiesByHashV1(ctx, &remote.EngineGetPayloadBodiesByHashV1Request{Hashes: h})
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if err != nil {
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return nil, err
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}
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return convertExecutionPayloadV1(apiRes), nil
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}
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func (e *EngineImpl) GetPayloadBodiesByRangeV1(ctx context.Context, start uint64, count uint64) ([]*ExecutionPayloadBodyV1, error) {
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if start == 0 || count == 0 {
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return nil, &rpc.InvalidParamsError{Message: fmt.Sprintf("invalid start or count, start: %v count: %v", start, count)}
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}
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if count > 1024 {
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return nil, &privateapi.TooLargeRequestErr
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}
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apiRes, err := e.api.EngineGetPayloadBodiesByRangeV1(ctx, &remote.EngineGetPayloadBodiesByRangeV1Request{Start: start, Count: count})
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if err != nil {
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return nil, err
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}
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return convertExecutionPayloadV1(apiRes), nil
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}
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var ourCapabilities = []string{
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"engine_forkchoiceUpdatedV1",
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"engine_forkchoiceUpdatedV2",
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"engine_newPayloadV1",
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"engine_newPayloadV2",
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"engine_getPayloadV1",
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"engine_getPayloadV2",
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"engine_exchangeTransitionConfigurationV1",
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"engine_getPayloadBodiesByHashV1",
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"engine_getPayloadBodiesByRangeV1",
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}
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func (e *EngineImpl) ExchangeCapabilities(fromCl []string) []string {
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missingOurs := compareCapabilities(fromCl, ourCapabilities)
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missingCl := compareCapabilities(ourCapabilities, fromCl)
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if len(missingCl) > 0 || len(missingOurs) > 0 {
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log.Debug("ExchangeCapabilities mismatches", "cl_unsupported", missingCl, "erigon_unsupported", missingOurs)
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}
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return ourCapabilities
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}
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func compareCapabilities(from []string, to []string) []string {
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result := make([]string, 0)
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for _, f := range from {
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found := false
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for _, t := range to {
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if f == t {
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found = true
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break
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}
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}
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if !found {
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result = append(result, f)
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}
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}
|
|
|
|
return result
|
|
}
|
|
|
|
func convertExecutionPayloadV1(response *remote.EngineGetPayloadBodiesV1Response) []*ExecutionPayloadBodyV1 {
|
|
result := make([]*ExecutionPayloadBodyV1, len(response.Bodies))
|
|
for idx, body := range response.Bodies {
|
|
if body == nil {
|
|
result[idx] = nil
|
|
} else {
|
|
pl := &ExecutionPayloadBodyV1{
|
|
Transactions: make([]hexutil.Bytes, len(body.Transactions)),
|
|
Withdrawals: privateapi.ConvertWithdrawalsFromRpc(body.Withdrawals),
|
|
}
|
|
for i := range body.Transactions {
|
|
pl.Transactions[i] = body.Transactions[i]
|
|
}
|
|
result[idx] = pl
|
|
}
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
// NewEngineAPI returns EngineImpl instance
|
|
func NewEngineAPI(base *BaseAPI, db kv.RoDB, api rpchelper.ApiBackend, internalCL bool) *EngineImpl {
|
|
return &EngineImpl{
|
|
BaseAPI: base,
|
|
db: db,
|
|
api: api,
|
|
internalCL: internalCL,
|
|
}
|
|
}
|