diff --git a/eth/catalyst/api.go b/eth/catalyst/api.go index 6653f719f..030a39837 100644 --- a/eth/catalyst/api.go +++ b/eth/catalyst/api.go @@ -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 diff --git a/eth/catalyst/api_test.go b/eth/catalyst/api_test.go index e195145b7..18750d6a0 100644 --- a/eth/catalyst/api_test.go +++ b/eth/catalyst/api_test.go @@ -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) diff --git a/eth/catalyst/queue.go b/eth/catalyst/queue.go index ff8edc120..6863edfad 100644 --- a/eth/catalyst/queue.go +++ b/eth/catalyst/queue.go @@ -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 diff --git a/miner/miner.go b/miner/miner.go index 2b81b8464..c2a9e07d0 100644 --- a/miner/miner.go +++ b/miner/miner.go @@ -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) } diff --git a/miner/payload_building.go b/miner/payload_building.go new file mode 100644 index 000000000..18a74ceae --- /dev/null +++ b/miner/payload_building.go @@ -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 + +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 +} diff --git a/miner/payload_building_test.go b/miner/payload_building_test.go new file mode 100644 index 000000000..226ae71b4 --- /dev/null +++ b/miner/payload_building_test.go @@ -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 + +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") + } +} diff --git a/miner/stress/beacon/main.go b/miner/stress/beacon/main.go index a4764be0a..7dabc97c0 100644 --- a/miner/stress/beacon/main.go +++ b/miner/stress/beacon/main.go @@ -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, diff --git a/miner/worker.go b/miner/worker.go index c3fca2159..720613cb2 100644 --- a/miner/worker.go +++ b/miner/worker.go @@ -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. diff --git a/miner/worker_test.go b/miner/worker_test.go index fcbe5529c..104417c34 100644 --- a/miner/worker_test.go +++ b/miner/worker_test.go @@ -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")