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miner, eth: implement recommit mechanism for payload building (#25836)

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* miner, eth: implement recommit for payload building

* miner: address comments from marius
This commit is contained in:
rjl493456442 2022-11-02 17:32:20 +08:00 committed by GitHub
parent 2415911f53
commit a2a144c593
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 338 additions and 131 deletions
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21
eth/catalyst/api.go
View File

@ -34,6 +34,7 @@ import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/miner"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/rpc"
)
@ -279,23 +280,21 @@ func (api *ConsensusAPI) ForkchoiceUpdatedV1(update beacon.ForkchoiceStateV1, pa
}
// If payload generation was requested, create a new block to be potentially
// sealed by the beacon client. The payload will be requested later, and we
// might replace it arbitrarily many times in between.
// will replace it arbitrarily many times in between.
if payloadAttributes != nil {
// Create an empty block first which can be used as a fallback
empty, err := api.eth.Miner().GetSealingBlockSync(update.HeadBlockHash, payloadAttributes.Timestamp, payloadAttributes.SuggestedFeeRecipient, payloadAttributes.Random, true)
if err != nil {
log.Error("Failed to create empty sealing payload", "err", err)
return valid(nil), beacon.InvalidPayloadAttributes.With(err)
args := &miner.BuildPayloadArgs{
Parent: update.HeadBlockHash,
Timestamp: payloadAttributes.Timestamp,
FeeRecipient: payloadAttributes.SuggestedFeeRecipient,
Random: payloadAttributes.Random,
}
// Send a request to generate a full block in the background.
// The result can be obtained via the returned channel.
resCh, err := api.eth.Miner().GetSealingBlockAsync(update.HeadBlockHash, payloadAttributes.Timestamp, payloadAttributes.SuggestedFeeRecipient, payloadAttributes.Random, false)
payload, err := api.eth.Miner().BuildPayload(args)
if err != nil {
log.Error("Failed to create async sealing payload", "err", err)
log.Error("Failed to build payload", "err", err)
return valid(nil), beacon.InvalidPayloadAttributes.With(err)
}
id := computePayloadId(update.HeadBlockHash, payloadAttributes)
api.localBlocks.put(id, &payload{empty: empty, result: resCh})
api.localBlocks.put(id, payload)
return valid(&id), nil
}
return valid(nil), nil

30
eth/catalyst/api_test.go
View File

@ -34,6 +34,7 @@ import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/ethconfig"
"github.com/ethereum/go-ethereum/miner"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/params"
@ -181,6 +182,8 @@ func TestEth2PrepareAndGetPayload(t *testing.T) {
if err != nil {
t.Fatalf("error preparing payload, err=%v", err)
}
// give the payload some time to be built
time.Sleep(100 * time.Millisecond)
payloadID := computePayloadId(fcState.HeadBlockHash, &blockParams)
execData, err := api.GetPayloadV1(payloadID)
if err != nil {
@ -586,12 +589,12 @@ func TestNewPayloadOnInvalidChain(t *testing.T) {
if resp.PayloadStatus.Status != beacon.VALID {
t.Fatalf("error preparing payload, invalid status: %v", resp.PayloadStatus.Status)
}
// give the payload some time to be built
time.Sleep(100 * time.Millisecond)
payload, err := api.GetPayloadV1(*resp.PayloadID)
if err != nil {
t.Fatalf("can't get payload: %v", err)
}
// TODO(493456442, marius) this test can be flaky since we rely on a 100ms
// allowance for block generation internally.
if len(payload.Transactions) == 0 {
t.Fatalf("payload should not be empty")
}
@ -618,11 +621,17 @@ func TestNewPayloadOnInvalidChain(t *testing.T) {
}
func assembleBlock(api *ConsensusAPI, parentHash common.Hash, params *beacon.PayloadAttributesV1) (*beacon.ExecutableDataV1, error) {
block, err := api.eth.Miner().GetSealingBlockSync(parentHash, params.Timestamp, params.SuggestedFeeRecipient, params.Random, false)
args := &miner.BuildPayloadArgs{
Parent: parentHash,
Timestamp: params.Timestamp,
FeeRecipient: params.SuggestedFeeRecipient,
Random: params.Random,
}
payload, err := api.eth.Miner().BuildPayload(args)
if err != nil {
return nil, err
}
return beacon.BlockToExecutableData(block), nil
return payload.ResolveFull(), nil
}
func TestEmptyBlocks(t *testing.T) {
@ -854,16 +863,17 @@ func TestNewPayloadOnInvalidTerminalBlock(t *testing.T) {
}
// Test parent already post TTD in NewPayload
params := beacon.PayloadAttributesV1{
Timestamp: parent.Time() + 1,
Random: crypto.Keccak256Hash([]byte{byte(1)}),
SuggestedFeeRecipient: parent.Coinbase(),
args := &miner.BuildPayloadArgs{
Parent: parent.Hash(),
Timestamp: parent.Time() + 1,
Random: crypto.Keccak256Hash([]byte{byte(1)}),
FeeRecipient: parent.Coinbase(),
}
empty, err := api.eth.Miner().GetSealingBlockSync(parent.Hash(), params.Timestamp, params.SuggestedFeeRecipient, params.Random, true)
payload, err := api.eth.Miner().BuildPayload(args)
if err != nil {
t.Fatalf("error preparing payload, err=%v", err)
}
data := *beacon.BlockToExecutableData(empty)
data := *payload.Resolve()
resp2, err := api.NewPayloadV1(data)
if err != nil {
t.Fatalf("error sending NewPayload, err=%v", err)

55
eth/catalyst/queue.go
View File

@ -18,11 +18,11 @@ package catalyst
import (
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/beacon"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/miner"
)
// maxTrackedPayloads is the maximum number of prepared payloads the execution
@ -35,52 +35,11 @@ const maxTrackedPayloads = 10
// latest one; but have a slight wiggle room for non-ideal conditions.
const maxTrackedHeaders = 10
// payload wraps the miner's block production channel, allowing the mined block
// to be retrieved later upon the GetPayload engine API call.
type payload struct {
lock sync.Mutex
done bool
empty *types.Block
block *types.Block
result chan *types.Block
}
// resolve extracts the generated full block from the given channel if possible
// or fallback to empty block as an alternative.
func (req *payload) resolve() *beacon.ExecutableDataV1 {
// this function can be called concurrently, prevent any
// concurrency issue in the first place.
req.lock.Lock()
defer req.lock.Unlock()
// Try to resolve the full block first if it's not obtained
// yet. The returned block can be nil if the generation fails.
if !req.done {
timeout := time.NewTimer(500 * time.Millisecond)
defer timeout.Stop()
select {
case req.block = <-req.result:
req.done = true
case <-timeout.C:
// TODO(rjl49345642, Marius), should we keep this
// 100ms timeout allowance? Why not just use the
// default and then fallback to empty directly?
}
}
if req.block != nil {
return beacon.BlockToExecutableData(req.block)
}
return beacon.BlockToExecutableData(req.empty)
}
// payloadQueueItem represents an id->payload tuple to store until it's retrieved
// or evicted.
type payloadQueueItem struct {
id beacon.PayloadID
data *payload
id beacon.PayloadID
payload *miner.Payload
}
// payloadQueue tracks the latest handful of constructed payloads to be retrieved
@ -99,14 +58,14 @@ func newPayloadQueue() *payloadQueue {
}
// put inserts a new payload into the queue at the given id.
func (q *payloadQueue) put(id beacon.PayloadID, data *payload) {
func (q *payloadQueue) put(id beacon.PayloadID, payload *miner.Payload) {
q.lock.Lock()
defer q.lock.Unlock()
copy(q.payloads[1:], q.payloads)
q.payloads[0] = &payloadQueueItem{
id: id,
data: data,
id: id,
payload: payload,
}
}
@ -120,7 +79,7 @@ func (q *payloadQueue) get(id beacon.PayloadID) *beacon.ExecutableDataV1 {
return nil // no more items
}
if item.id == id {
return item.data.resolve()
return item.payload.Resolve()
}
}
return nil

25
miner/miner.go
View File

@ -251,26 +251,7 @@ func (miner *Miner) SubscribePendingLogs(ch chan<- []*types.Log) event.Subscript
return miner.worker.pendingLogsFeed.Subscribe(ch)
}
// GetSealingBlockAsync requests to generate a sealing block according to the
// given parameters. Regardless of whether the generation is successful or not,
// there is always a result that will be returned through the result channel.
// The difference is that if the execution fails, the returned result is nil
// and the concrete error is dropped silently.
func (miner *Miner) GetSealingBlockAsync(parent common.Hash, timestamp uint64, coinbase common.Address, random common.Hash, noTxs bool) (chan *types.Block, error) {
resCh, _, err := miner.worker.getSealingBlock(parent, timestamp, coinbase, random, noTxs)
if err != nil {
return nil, err
}
return resCh, nil
}
// GetSealingBlockSync creates a sealing block according to the given parameters.
// If the generation is failed or the underlying work is already closed, an error
// will be returned.
func (miner *Miner) GetSealingBlockSync(parent common.Hash, timestamp uint64, coinbase common.Address, random common.Hash, noTxs bool) (*types.Block, error) {
resCh, errCh, err := miner.worker.getSealingBlock(parent, timestamp, coinbase, random, noTxs)
if err != nil {
return nil, err
}
return <-resCh, <-errCh
// BuildPayload builds the payload according to the provided parameters.
func (miner *Miner) BuildPayload(args *BuildPayloadArgs) (*Payload, error) {
return miner.worker.buildPayload(args)
}

168
miner/payload_building.go Normal file
View File

@ -0,0 +1,168 @@
// Copyright 2022 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 miner
import (
"math/big"
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/beacon"
"github.com/ethereum/go-ethereum/core/types"
)
// BuildPayloadArgs contains the provided parameters for building payload.
// Check engine-api specification for more details.
// https://github.com/ethereum/execution-apis/blob/main/src/engine/specification.md#payloadattributesv1
type BuildPayloadArgs struct {
Parent common.Hash // The parent block to build payload on top
Timestamp uint64 // The provided timestamp of generated payload
FeeRecipient common.Address // The provided recipient address for collecting transaction fee
Random common.Hash // The provided randomness value
}
// Payload wraps the built payload(block waiting for sealing). According to the
// engine-api specification, EL should build the initial version of the payload
// which has an empty transaction set and then keep update it in order to maximize
// the revenue. Therefore, the empty-block here is always available and full-block
// will be set/updated afterwards.
type Payload struct {
empty *types.Block
full *types.Block
fullFees *big.Int
stop chan struct{}
lock *sync.Mutex
cond *sync.Cond
}
// newPayload initializes the payload object.
func newPayload(empty *types.Block) *Payload {
lock := new(sync.Mutex)
return &Payload{
empty: empty,
stop: make(chan struct{}),
lock: lock,
cond: sync.NewCond(lock),
}
}
// update updates the full-block with latest built version.
func (payload *Payload) update(block *types.Block, fees *big.Int) {
payload.lock.Lock()
defer payload.lock.Unlock()
select {
case <-payload.stop:
return // reject stale update
default:
}
// Ensure the newly provided full block has a higher transaction fee.
// In post-merge stage, there is no uncle reward anymore and transaction
// fee(apart from the mev revenue) is the only indicator for comparison.
if payload.full == nil || fees.Cmp(payload.fullFees) > 0 {
payload.full = block
payload.fullFees = fees
}
payload.cond.Broadcast() // fire signal for notifying full block
}
// Resolve returns the latest built payload and also terminates the background
// thread for updating payload. It's safe to be called multiple times.
func (payload *Payload) Resolve() *beacon.ExecutableDataV1 {
payload.lock.Lock()
defer payload.lock.Unlock()
select {
case <-payload.stop:
default:
close(payload.stop)
}
if payload.full != nil {
return beacon.BlockToExecutableData(payload.full)
}
return beacon.BlockToExecutableData(payload.empty)
}
// ResolveEmpty is basically identical to Resolve, but it expects empty block only.
// It's only used in tests.
func (payload *Payload) ResolveEmpty() *beacon.ExecutableDataV1 {
payload.lock.Lock()
defer payload.lock.Unlock()
return beacon.BlockToExecutableData(payload.empty)
}
// ResolveFull is basically identical to Resolve, but it expects full block only.
// It's only used in tests.
func (payload *Payload) ResolveFull() *beacon.ExecutableDataV1 {
payload.lock.Lock()
defer payload.lock.Unlock()
if payload.full == nil {
select {
case <-payload.stop:
return nil
default:
}
payload.cond.Wait()
}
return beacon.BlockToExecutableData(payload.full)
}
// buildPayload builds the payload according to the provided parameters.
func (w *worker) buildPayload(args *BuildPayloadArgs) (*Payload, error) {
// Build the initial version with no transaction included. It should be fast
// enough to run. The empty payload can at least make sure there is something
// to deliver for not missing slot.
empty, _, err := w.getSealingBlock(args.Parent, args.Timestamp, args.FeeRecipient, args.Random, true)
if err != nil {
return nil, err
}
// Construct a payload object for return.
payload := newPayload(empty)
// Spin up a routine for updating the payload in background. This strategy
// can maximum the revenue for including transactions with highest fee.
go func() {
// Setup the timer for re-building the payload. The initial clock is kept
// for triggering process immediately.
timer := time.NewTimer(0)
defer timer.Stop()
// Setup the timer for terminating the process if SECONDS_PER_SLOT (12s in
// the Mainnet configuration) have passed since the point in time identified
// by the timestamp parameter.
endTimer := time.NewTimer(time.Second * 12)
for {
select {
case <-timer.C:
block, fees, err := w.getSealingBlock(args.Parent, args.Timestamp, args.FeeRecipient, args.Random, false)
if err == nil {
payload.update(block, fees)
}
timer.Reset(w.recommit)
case <-payload.stop:
return
case <-endTimer.C:
return
}
}
}()
return payload, nil
}

80
miner/payload_building_test.go Normal file
View File

@ -0,0 +1,80 @@
// Copyright 2022 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 miner
import (
"reflect"
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core/beacon"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/params"
)
func TestBuildPayload(t *testing.T) {
var (
db = rawdb.NewMemoryDatabase()
recipient = common.HexToAddress("0xdeadbeef")
)
w, b := newTestWorker(t, params.TestChainConfig, ethash.NewFaker(), db, 0)
defer w.close()
timestamp := uint64(time.Now().Unix())
args := &BuildPayloadArgs{
Parent: b.chain.CurrentBlock().Hash(),
Timestamp: timestamp,
Random: common.Hash{},
FeeRecipient: recipient,
}
payload, err := w.buildPayload(args)
if err != nil {
t.Fatalf("Failed to build payload %v", err)
}
verify := func(data *beacon.ExecutableDataV1, txs int) {
if data.ParentHash != b.chain.CurrentBlock().Hash() {
t.Fatal("Unexpect parent hash")
}
if data.Random != (common.Hash{}) {
t.Fatal("Unexpect random value")
}
if data.Timestamp != timestamp {
t.Fatal("Unexpect timestamp")
}
if data.FeeRecipient != recipient {
t.Fatal("Unexpect fee recipient")
}
if len(data.Transactions) != txs {
t.Fatal("Unexpect transaction set")
}
}
empty := payload.ResolveEmpty()
verify(empty, 0)
full := payload.ResolveFull()
verify(full, len(pendingTxs))
// Ensure resolve can be called multiple times and the
// result should be unchanged
dataOne := payload.Resolve()
dataTwo := payload.Resolve()
if !reflect.DeepEqual(dataOne, dataTwo) {
t.Fatal("Unexpected payload data")
}
}

18
miner/stress/beacon/main.go
View File

@ -81,8 +81,8 @@ var (
transitionDifficulty = new(big.Int).Mul(big.NewInt(20), params.MinimumDifficulty)
// blockInterval is the time interval for creating a new eth2 block
blockInterval = time.Second * 3
blockIntervalInt = 3
blockInterval = time.Second * time.Duration(blockIntervalInt)
// finalizationDist is the block distance for finalizing block
finalizationDist = 10
@ -164,6 +164,7 @@ func (n *ethNode) assembleBlock(parentHash common.Hash, parentTimestamp uint64)
if err != nil {
return nil, err
}
time.Sleep(time.Second * 5) // give enough time for block creation
return n.api.GetPayloadV1(*payload.PayloadID)
}
@ -316,17 +317,14 @@ func (mgr *nodeManager) run() {
}
nodes := mgr.getNodes(eth2MiningNode)
nodes = append(nodes, mgr.getNodes(eth2NormalNode)...)
nodes = append(nodes, mgr.getNodes(eth2LightClient)...)
//nodes = append(nodes, mgr.getNodes(eth2LightClient)...)
for _, node := range nodes {
fcState := beacon.ForkchoiceStateV1{
HeadBlockHash: oldest.Hash(),
SafeBlockHash: common.Hash{},
HeadBlockHash: parentBlock.Hash(),
SafeBlockHash: oldest.Hash(),
FinalizedBlockHash: oldest.Hash(),
}
// TODO(rjl493456442) finalization doesn't work properly, FIX IT
_ = fcState
_ = node
//node.api.ForkchoiceUpdatedV1(fcState, nil)
node.api.ForkchoiceUpdatedV1(fcState, nil)
}
log.Info("Finalised eth2 block", "number", oldest.NumberU64(), "hash", oldest.Hash())
waitFinalise = waitFinalise[1:]
@ -423,7 +421,7 @@ func main() {
node := nodes[index%len(nodes)]
// Create a self transaction and inject into the pool
tx, err := types.SignTx(types.NewTransaction(nonces[index], crypto.PubkeyToAddress(faucets[index].PublicKey), new(big.Int), 21000, big.NewInt(100000000000+rand.Int63n(65536)), nil), types.HomesteadSigner{}, faucets[index])
tx, err := types.SignTx(types.NewTransaction(nonces[index], crypto.PubkeyToAddress(faucets[index].PublicKey), new(big.Int), 21000, big.NewInt(10_000_000_000+rand.Int63n(6_553_600_000)), nil), types.HomesteadSigner{}, faucets[index])
if err != nil {
panic(err)
}
@ -492,7 +490,7 @@ func makeFullNode(genesis *core.Genesis) (*node.Node, *eth.Ethereum, *ethcatalys
GasFloor: genesis.GasLimit * 9 / 10,
GasCeil: genesis.GasLimit * 11 / 10,
GasPrice: big.NewInt(1),
Recommit: 10 * time.Second, // Disable the recommit
Recommit: 1 * time.Second,
},
LightServ: 100,
LightPeers: 10,

64
miner/worker.go
View File

@ -169,11 +169,17 @@ type newWorkReq struct {
timestamp int64
}
// newPayloadResult represents a result struct corresponds to payload generation.
type newPayloadResult struct {
err error
block *types.Block
fees *big.Int
}
// getWorkReq represents a request for getting a new sealing work with provided parameters.
type getWorkReq struct {
params *generateParams
result chan *types.Block // non-blocking channel
err chan error
result chan *newPayloadResult // non-blocking channel
}
// intervalAdjust represents a resubmitting interval adjustment.
@ -250,6 +256,10 @@ type worker struct {
// in case there are some computation expensive transactions in txpool.
newpayloadTimeout time.Duration
// recommit is the time interval to re-create sealing work or to re-build
// payload in proof-of-stake stage.
recommit time.Duration
// External functions
isLocalBlock func(header *types.Header) bool // Function used to determine whether the specified block is mined by local miner.
@ -297,6 +307,8 @@ func newWorker(config *Config, chainConfig *params.ChainConfig, engine consensus
log.Warn("Sanitizing miner recommit interval", "provided", recommit, "updated", minRecommitInterval)
recommit = minRecommitInterval
}
worker.recommit = recommit
// Sanitize the timeout config for creating payload.
newpayloadTimeout := worker.config.NewPayloadTimeout
if newpayloadTimeout == 0 {
@ -553,13 +565,11 @@ func (w *worker) mainLoop() {
w.commitWork(req.interrupt, req.noempty, req.timestamp)
case req := <-w.getWorkCh:
block, err := w.generateWork(req.params)
if err != nil {
req.err <- err
req.result <- nil
} else {
req.err <- nil
req.result <- block
block, fees, err := w.generateWork(req.params)
req.result <- &newPayloadResult{
err: err,
block: block,
fees: fees,
}
case ev := <-w.chainSideCh:
// Short circuit for duplicate side blocks
@ -1071,10 +1081,10 @@ func (w *worker) fillTransactions(interrupt *int32, env *environment) error {
}
// generateWork generates a sealing block based on the given parameters.
func (w *worker) generateWork(params *generateParams) (*types.Block, error) {
func (w *worker) generateWork(params *generateParams) (*types.Block, *big.Int, error) {
work, err := w.prepareWork(params)
if err != nil {
return nil, err
return nil, nil, err
}
defer work.discard()
@ -1090,7 +1100,11 @@ func (w *worker) generateWork(params *generateParams) (*types.Block, error) {
log.Warn("Block building is interrupted", "allowance", common.PrettyDuration(w.newpayloadTimeout))
}
}
return w.engine.FinalizeAndAssemble(w.chain, work.header, work.state, work.txs, work.unclelist(), work.receipts)
block, err := w.engine.FinalizeAndAssemble(w.chain, work.header, work.state, work.txs, work.unclelist(), work.receipts)
if err != nil {
return nil, nil, err
}
return block, totalFees(block, work.receipts), nil
}
// commitWork generates several new sealing tasks based on the parent block
@ -1180,9 +1194,12 @@ func (w *worker) commit(env *environment, interval func(), update bool, start ti
select {
case w.taskCh <- &task{receipts: env.receipts, state: env.state, block: block, createdAt: time.Now()}:
w.unconfirmed.Shift(block.NumberU64() - 1)
fees := totalFees(block, env.receipts)
feesInEther := new(big.Float).Quo(new(big.Float).SetInt(fees), new(big.Float).SetInt(big.NewInt(params.Ether)))
log.Info("Commit new sealing work", "number", block.Number(), "sealhash", w.engine.SealHash(block.Header()),
"uncles", len(env.uncles), "txs", env.tcount,
"gas", block.GasUsed(), "fees", totalFees(block, env.receipts),
"gas", block.GasUsed(), "fees", feesInEther,
"elapsed", common.PrettyDuration(time.Since(start)))
case <-w.exitCh:
@ -1199,11 +1216,7 @@ func (w *worker) commit(env *environment, interval func(), update bool, start ti
// getSealingBlock generates the sealing block based on the given parameters.
// The generation result will be passed back via the given channel no matter
// the generation itself succeeds or not.
func (w *worker) getSealingBlock(parent common.Hash, timestamp uint64, coinbase common.Address, random common.Hash, noTxs bool) (chan *types.Block, chan error, error) {
var (
resCh = make(chan *types.Block, 1)
errCh = make(chan error, 1)
)
func (w *worker) getSealingBlock(parent common.Hash, timestamp uint64, coinbase common.Address, random common.Hash, noTxs bool) (*types.Block, *big.Int, error) {
req := &getWorkReq{
params: &generateParams{
timestamp: timestamp,
@ -1215,12 +1228,15 @@ func (w *worker) getSealingBlock(parent common.Hash, timestamp uint64, coinbase
noExtra: true,
noTxs: noTxs,
},
result: resCh,
err: errCh,
result: make(chan *newPayloadResult, 1),
}
select {
case w.getWorkCh <- req:
return resCh, errCh, nil
result := <-req.result
if result.err != nil {
return nil, nil, result.err
}
return result.block, result.fees, nil
case <-w.exitCh:
return nil, nil, errors.New("miner closed")
}
@ -1251,14 +1267,14 @@ func (w *worker) postSideBlock(event core.ChainSideEvent) {
}
}
// totalFees computes total consumed miner fees in ETH. Block transactions and receipts have to have the same order.
func totalFees(block *types.Block, receipts []*types.Receipt) *big.Float {
// totalFees computes total consumed miner fees in Wei. Block transactions and receipts have to have the same order.
func totalFees(block *types.Block, receipts []*types.Receipt) *big.Int {
feesWei := new(big.Int)
for i, tx := range block.Transactions() {
minerFee, _ := tx.EffectiveGasTip(block.BaseFee())
feesWei.Add(feesWei, new(big.Int).Mul(new(big.Int).SetUint64(receipts[i].GasUsed), minerFee))
}
return new(big.Float).Quo(new(big.Float).SetInt(feesWei), new(big.Float).SetInt(big.NewInt(params.Ether)))
return feesWei
}
// signalToErr converts the interruption signal to a concrete error type for return.

8
miner/worker_test.go
View File

@ -634,9 +634,7 @@ func testGetSealingWork(t *testing.T, chainConfig *params.ChainConfig, engine co
// This API should work even when the automatic sealing is not enabled
for _, c := range cases {
resChan, errChan, _ := w.getSealingBlock(c.parent, timestamp, c.coinbase, c.random, false)
block := <-resChan
err := <-errChan
block, _, err := w.getSealingBlock(c.parent, timestamp, c.coinbase, c.random, false)
if c.expectErr {
if err == nil {
t.Error("Expect error but get nil")
@ -652,9 +650,7 @@ func testGetSealingWork(t *testing.T, chainConfig *params.ChainConfig, engine co
// This API should work even when the automatic sealing is enabled
w.start()
for _, c := range cases {
resChan, errChan, _ := w.getSealingBlock(c.parent, timestamp, c.coinbase, c.random, false)
block := <-resChan
err := <-errChan
block, _, err := w.getSealingBlock(c.parent, timestamp, c.coinbase, c.random, false)
if c.expectErr {
if err == nil {
t.Error("Expect error but get nil")