From dde2da0efb8e9a1812f470bc43254134cd1f8cc0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= Date: Wed, 3 May 2023 12:58:39 +0300 Subject: [PATCH] all: remove ethash pow, only retain shims needed for consensus and tests (#27178) * all: remove ethash pow, only retain shims needed for consensus and tests * all: thank you linter * all: disallow launching Geth in legacy PoW mode * cmd/env/internal/t8ntool: remove dangling ethash flag --- .../internal/ethtest/testdata/genesis.json | 1 + cmd/evm/internal/t8ntool/block.go | 58 +- cmd/evm/internal/t8ntool/flags.go | 13 - cmd/evm/main.go | 3 - cmd/geth/genesis_test.go | 17 +- cmd/geth/main.go | 19 +- cmd/geth/misccmd.go | 57 - cmd/utils/flags.go | 119 +- consensus/beacon/consensus.go | 10 +- consensus/clique/clique.go | 4 +- consensus/consensus.go | 7 +- consensus/ethash/algorithm.go | 1152 ----------------- consensus/ethash/algorithm_test.go | 815 ------------ consensus/ethash/api.go | 113 -- consensus/ethash/consensus.go | 185 +-- consensus/ethash/ethash.go | 649 +--------- consensus/ethash/ethash_test.go | 177 --- consensus/ethash/mmap_help_linux.go | 35 - consensus/ethash/mmap_help_other.go | 36 - consensus/ethash/sealer.go | 451 ------- consensus/ethash/sealer_test.go | 298 ----- console/console_test.go | 4 - core/block_validator_test.go | 29 +- core/blockchain.go | 28 +- core/blockchain_test.go | 48 +- core/genesis.go | 19 +- core/headerchain.go | 21 +- eth/api.go | 8 +- eth/api_backend.go | 4 +- eth/backend.go | 23 +- eth/catalyst/api_test.go | 2 +- eth/downloader/downloader.go | 27 +- eth/ethconfig/config.go | 83 +- eth/ethconfig/gen_config.go | 7 - eth/handler.go | 2 +- ethclient/ethclient_test.go | 1 - ethclient/gethclient/gethclient_test.go | 1 - graphql/graphql_test.go | 5 +- internal/ethapi/api.go | 10 - les/api_test.go | 2 - les/catalyst/api_test.go | 3 +- les/client.go | 11 +- les/downloader/downloader.go | 27 +- les/downloader/downloader_test.go | 2 +- les/fetcher.go | 11 +- light/lightchain.go | 31 +- light/lightchain_test.go | 14 +- light/odr_test.go | 2 +- light/txpool_test.go | 2 +- miner/miner.go | 15 +- miner/stress/1559/main.go | 264 ---- miner/stress/beacon/main.go | 558 -------- miner/stress/clique/main.go | 2 +- miner/stress/ethash/main.go | 194 --- miner/worker_test.go | 4 - params/config.go | 2 +- tests/block_test_util.go | 9 +- 57 files changed, 210 insertions(+), 5484 deletions(-) delete mode 100644 consensus/ethash/algorithm.go delete mode 100644 consensus/ethash/algorithm_test.go delete mode 100644 consensus/ethash/api.go delete mode 100644 consensus/ethash/ethash_test.go delete mode 100644 consensus/ethash/mmap_help_linux.go delete mode 100644 consensus/ethash/mmap_help_other.go delete mode 100644 consensus/ethash/sealer.go delete mode 100644 consensus/ethash/sealer_test.go delete mode 100644 miner/stress/1559/main.go delete mode 100644 miner/stress/beacon/main.go delete mode 100644 miner/stress/ethash/main.go diff --git a/cmd/devp2p/internal/ethtest/testdata/genesis.json b/cmd/devp2p/internal/ethtest/testdata/genesis.json index d8b5d2250..b4de6e85a 100644 --- a/cmd/devp2p/internal/ethtest/testdata/genesis.json +++ b/cmd/devp2p/internal/ethtest/testdata/genesis.json @@ -6,6 +6,7 @@ "eip155Block": 0, "eip158Block": 0, "byzantiumBlock": 0, + "terminalTotalDifficultyPassed": true, "ethash": {} }, "nonce": "0xdeadbeefdeadbeef", diff --git a/cmd/evm/internal/t8ntool/block.go b/cmd/evm/internal/t8ntool/block.go index 7a9c4b610..ac3031d6e 100644 --- a/cmd/evm/internal/t8ntool/block.go +++ b/cmd/evm/internal/t8ntool/block.go @@ -28,7 +28,6 @@ import ( "github.com/ethereum/go-ethereum/common/hexutil" "github.com/ethereum/go-ethereum/common/math" "github.com/ethereum/go-ethereum/consensus/clique" - "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/log" @@ -74,11 +73,9 @@ type bbInput struct { Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"` Clique *cliqueInput `json:"clique,omitempty"` - Ethash bool `json:"-"` - EthashDir string `json:"-"` - PowMode ethash.Mode `json:"-"` - Txs []*types.Transaction `json:"-"` - Ommers []*types.Header `json:"-"` + Ethash bool `json:"-"` + Txs []*types.Transaction `json:"-"` + Ommers []*types.Header `json:"-"` } type cliqueInput struct { @@ -162,8 +159,6 @@ func (i *bbInput) ToBlock() *types.Block { // SealBlock seals the given block using the configured engine. func (i *bbInput) SealBlock(block *types.Block) (*types.Block, error) { switch { - case i.Ethash: - return i.sealEthash(block) case i.Clique != nil: return i.sealClique(block) default: @@ -171,33 +166,6 @@ func (i *bbInput) SealBlock(block *types.Block) (*types.Block, error) { } } -// sealEthash seals the given block using ethash. -func (i *bbInput) sealEthash(block *types.Block) (*types.Block, error) { - if i.Header.Nonce != nil { - return nil, NewError(ErrorConfig, fmt.Errorf("sealing with ethash will overwrite provided nonce")) - } - ethashConfig := ethash.Config{ - PowMode: i.PowMode, - DatasetDir: i.EthashDir, - CacheDir: i.EthashDir, - DatasetsInMem: 1, - DatasetsOnDisk: 2, - CachesInMem: 2, - CachesOnDisk: 3, - } - engine := ethash.New(ethashConfig, nil, true) - defer engine.Close() - // Use a buffered chan for results. - // If the testmode is used, the sealer will return quickly, and complain - // "Sealing result is not read by miner" if it cannot write the result. - results := make(chan *types.Block, 1) - if err := engine.Seal(nil, block, results, nil); err != nil { - panic(fmt.Sprintf("failed to seal block: %v", err)) - } - found := <-results - return block.WithSeal(found.Header()), nil -} - // sealClique seals the given block using clique. func (i *bbInput) sealClique(block *types.Block) (*types.Block, error) { // If any clique value overwrites an explicit header value, fail @@ -267,28 +235,8 @@ func readInput(ctx *cli.Context) (*bbInput, error) { withdrawalsStr = ctx.String(InputWithdrawalsFlag.Name) txsStr = ctx.String(InputTxsRlpFlag.Name) cliqueStr = ctx.String(SealCliqueFlag.Name) - ethashOn = ctx.Bool(SealEthashFlag.Name) - ethashDir = ctx.String(SealEthashDirFlag.Name) - ethashMode = ctx.String(SealEthashModeFlag.Name) inputData = &bbInput{} ) - if ethashOn && cliqueStr != "" { - return nil, NewError(ErrorConfig, fmt.Errorf("both ethash and clique sealing specified, only one may be chosen")) - } - if ethashOn { - inputData.Ethash = ethashOn - inputData.EthashDir = ethashDir - switch ethashMode { - case "normal": - inputData.PowMode = ethash.ModeNormal - case "test": - inputData.PowMode = ethash.ModeTest - case "fake": - inputData.PowMode = ethash.ModeFake - default: - return nil, NewError(ErrorConfig, fmt.Errorf("unknown pow mode: %s, supported modes: test, fake, normal", ethashMode)) - } - } if headerStr == stdinSelector || ommersStr == stdinSelector || txsStr == stdinSelector || cliqueStr == stdinSelector { decoder := json.NewDecoder(os.Stdin) if err := decoder.Decode(inputData); err != nil { diff --git a/cmd/evm/internal/t8ntool/flags.go b/cmd/evm/internal/t8ntool/flags.go index 339523593..de19dbc85 100644 --- a/cmd/evm/internal/t8ntool/flags.go +++ b/cmd/evm/internal/t8ntool/flags.go @@ -125,19 +125,6 @@ var ( Name: "seal.clique", Usage: "Seal block with Clique. `stdin` or file name of where to find the Clique sealing data.", } - SealEthashFlag = &cli.BoolFlag{ - Name: "seal.ethash", - Usage: "Seal block with ethash.", - } - SealEthashDirFlag = &cli.StringFlag{ - Name: "seal.ethash.dir", - Usage: "Path to ethash DAG. If none exists, a new DAG will be generated.", - } - SealEthashModeFlag = &cli.StringFlag{ - Name: "seal.ethash.mode", - Usage: "Defines the type and amount of PoW verification an ethash engine makes.", - Value: "normal", - } RewardFlag = &cli.Int64Flag{ Name: "state.reward", Usage: "Mining reward. Set to -1 to disable", diff --git a/cmd/evm/main.go b/cmd/evm/main.go index 35f3e37ae..024be62b9 100644 --- a/cmd/evm/main.go +++ b/cmd/evm/main.go @@ -179,9 +179,6 @@ var blockBuilderCommand = &cli.Command{ t8ntool.InputWithdrawalsFlag, t8ntool.InputTxsRlpFlag, t8ntool.SealCliqueFlag, - t8ntool.SealEthashFlag, - t8ntool.SealEthashDirFlag, - t8ntool.SealEthashModeFlag, t8ntool.VerbosityFlag, }, } diff --git a/cmd/geth/genesis_test.go b/cmd/geth/genesis_test.go index d88346c93..ffe8176b0 100644 --- a/cmd/geth/genesis_test.go +++ b/cmd/geth/genesis_test.go @@ -41,7 +41,9 @@ var customGenesisTests = []struct { "mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000", "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000", "timestamp" : "0x00", - "config" : {} + "config" : { + "terminalTotalDifficultyPassed": true + } }`, query: "eth.getBlock(0).nonce", result: "0x0000000000001338", @@ -59,9 +61,10 @@ var customGenesisTests = []struct { "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000", "timestamp" : "0x00", "config" : { - "homesteadBlock" : 42, - "daoForkBlock" : 141, - "daoForkSupport" : true + "homesteadBlock" : 42, + "daoForkBlock" : 141, + "daoForkSupport" : true, + "terminalTotalDifficultyPassed" : true } }`, query: "eth.getBlock(0).nonce", @@ -111,8 +114,10 @@ func TestCustomBackend(t *testing.T) { "mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000", "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000", "timestamp" : "0x00", - "config" : {} - }` + "config" : { + "terminalTotalDifficultyPassed": true + } + }` type backendTest struct { initArgs []string initExpect string diff --git a/cmd/geth/main.go b/cmd/geth/main.go index 799493e67..bac74f2a6 100644 --- a/cmd/geth/main.go +++ b/cmd/geth/main.go @@ -66,14 +66,6 @@ var ( utils.SmartCardDaemonPathFlag, utils.OverrideCancun, utils.EnablePersonal, - utils.EthashCacheDirFlag, - utils.EthashCachesInMemoryFlag, - utils.EthashCachesOnDiskFlag, - utils.EthashCachesLockMmapFlag, - utils.EthashDatasetDirFlag, - utils.EthashDatasetsInMemoryFlag, - utils.EthashDatasetsOnDiskFlag, - utils.EthashDatasetsLockMmapFlag, utils.TxPoolLocalsFlag, utils.TxPoolNoLocalsFlag, utils.TxPoolJournalFlag, @@ -120,14 +112,11 @@ var ( utils.MaxPeersFlag, utils.MaxPendingPeersFlag, utils.MiningEnabledFlag, - utils.MinerThreadsFlag, - utils.MinerNotifyFlag, utils.MinerGasLimitFlag, utils.MinerGasPriceFlag, utils.MinerEtherbaseFlag, utils.MinerExtraDataFlag, utils.MinerRecommitIntervalFlag, - utils.MinerNoVerifyFlag, utils.MinerNewPayloadTimeout, utils.NATFlag, utils.NoDiscoverFlag, @@ -142,13 +131,11 @@ var ( utils.VMEnableDebugFlag, utils.NetworkIdFlag, utils.EthStatsURLFlag, - utils.FakePoWFlag, utils.NoCompactionFlag, utils.GpoBlocksFlag, utils.GpoPercentileFlag, utils.GpoMaxGasPriceFlag, utils.GpoIgnoreGasPriceFlag, - utils.MinerNotifyFullFlag, configFileFlag, }, utils.NetworkFlags, utils.DatabasePathFlags) @@ -224,8 +211,6 @@ func init() { attachCommand, javascriptCommand, // See misccmd.go: - makecacheCommand, - makedagCommand, versionCommand, versionCheckCommand, licenseCommand, @@ -438,9 +423,7 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon // Set the gas price to the limits from the CLI and start mining gasprice := flags.GlobalBig(ctx, utils.MinerGasPriceFlag.Name) ethBackend.TxPool().SetGasPrice(gasprice) - // start mining - threads := ctx.Int(utils.MinerThreadsFlag.Name) - if err := ethBackend.StartMining(threads); err != nil { + if err := ethBackend.StartMining(); err != nil { utils.Fatalf("Failed to start mining: %v", err) } } diff --git a/cmd/geth/misccmd.go b/cmd/geth/misccmd.go index d8a523c63..f3530c30f 100644 --- a/cmd/geth/misccmd.go +++ b/cmd/geth/misccmd.go @@ -20,11 +20,8 @@ import ( "fmt" "os" "runtime" - "strconv" "strings" - "github.com/ethereum/go-ethereum/cmd/utils" - "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/internal/version" "github.com/ethereum/go-ethereum/params" "github.com/urfave/cli/v2" @@ -41,30 +38,6 @@ var ( Usage: "Version to check", Value: version.ClientName(clientIdentifier), } - makecacheCommand = &cli.Command{ - Action: makecache, - Name: "makecache", - Usage: "Generate ethash verification cache (for testing)", - ArgsUsage: " ", - Description: ` -The makecache command generates an ethash cache in . - -This command exists to support the system testing project. -Regular users do not need to execute it. -`, - } - makedagCommand = &cli.Command{ - Action: makedag, - Name: "makedag", - Usage: "Generate ethash mining DAG (for testing)", - ArgsUsage: " ", - Description: ` -The makedag command generates an ethash DAG in . - -This command exists to support the system testing project. -Regular users do not need to execute it. -`, - } versionCommand = &cli.Command{ Action: printVersion, Name: "version", @@ -96,36 +69,6 @@ and displays information about any security vulnerabilities that affect the curr } ) -// makecache generates an ethash verification cache into the provided folder. -func makecache(ctx *cli.Context) error { - args := ctx.Args().Slice() - if len(args) != 2 { - utils.Fatalf(`Usage: geth makecache `) - } - block, err := strconv.ParseUint(args[0], 0, 64) - if err != nil { - utils.Fatalf("Invalid block number: %v", err) - } - ethash.MakeCache(block, args[1]) - - return nil -} - -// makedag generates an ethash mining DAG into the provided folder. -func makedag(ctx *cli.Context) error { - args := ctx.Args().Slice() - if len(args) != 2 { - utils.Fatalf(`Usage: geth makedag `) - } - block, err := strconv.ParseUint(args[0], 0, 64) - if err != nil { - utils.Fatalf("Invalid block number: %v", err) - } - ethash.MakeDataset(block, args[1]) - - return nil -} - func printVersion(ctx *cli.Context) error { git, _ := version.VCS() diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index ba9916d93..300d39b94 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -39,7 +39,6 @@ import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common/fdlimit" "github.com/ethereum/go-ethereum/common/hexutil" - "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/rawdb" "github.com/ethereum/go-ethereum/core/txpool" @@ -325,54 +324,6 @@ var ( Usage: "Enables serving light clients before syncing", Category: flags.LightCategory, } - - // Ethash settings - EthashCacheDirFlag = &flags.DirectoryFlag{ - Name: "ethash.cachedir", - Usage: "Directory to store the ethash verification caches (default = inside the datadir)", - Category: flags.EthashCategory, - } - EthashCachesInMemoryFlag = &cli.IntFlag{ - Name: "ethash.cachesinmem", - Usage: "Number of recent ethash caches to keep in memory (16MB each)", - Value: ethconfig.Defaults.Ethash.CachesInMem, - Category: flags.EthashCategory, - } - EthashCachesOnDiskFlag = &cli.IntFlag{ - Name: "ethash.cachesondisk", - Usage: "Number of recent ethash caches to keep on disk (16MB each)", - Value: ethconfig.Defaults.Ethash.CachesOnDisk, - Category: flags.EthashCategory, - } - EthashCachesLockMmapFlag = &cli.BoolFlag{ - Name: "ethash.cacheslockmmap", - Usage: "Lock memory maps of recent ethash caches", - Category: flags.EthashCategory, - } - EthashDatasetDirFlag = &flags.DirectoryFlag{ - Name: "ethash.dagdir", - Usage: "Directory to store the ethash mining DAGs", - Value: flags.DirectoryString(ethconfig.Defaults.Ethash.DatasetDir), - Category: flags.EthashCategory, - } - EthashDatasetsInMemoryFlag = &cli.IntFlag{ - Name: "ethash.dagsinmem", - Usage: "Number of recent ethash mining DAGs to keep in memory (1+GB each)", - Value: ethconfig.Defaults.Ethash.DatasetsInMem, - Category: flags.EthashCategory, - } - EthashDatasetsOnDiskFlag = &cli.IntFlag{ - Name: "ethash.dagsondisk", - Usage: "Number of recent ethash mining DAGs to keep on disk (1+GB each)", - Value: ethconfig.Defaults.Ethash.DatasetsOnDisk, - Category: flags.EthashCategory, - } - EthashDatasetsLockMmapFlag = &cli.BoolFlag{ - Name: "ethash.dagslockmmap", - Usage: "Lock memory maps for recent ethash mining DAGs", - Category: flags.EthashCategory, - } - // Transaction pool settings TxPoolLocalsFlag = &cli.StringFlag{ Name: "txpool.locals", @@ -510,22 +461,6 @@ var ( Usage: "Enable mining", Category: flags.MinerCategory, } - MinerThreadsFlag = &cli.IntFlag{ - Name: "miner.threads", - Usage: "Number of CPU threads to use for mining", - Value: 0, - Category: flags.MinerCategory, - } - MinerNotifyFlag = &cli.StringFlag{ - Name: "miner.notify", - Usage: "Comma separated HTTP URL list to notify of new work packages", - Category: flags.MinerCategory, - } - MinerNotifyFullFlag = &cli.BoolFlag{ - Name: "miner.notify.full", - Usage: "Notify with pending block headers instead of work packages", - Category: flags.MinerCategory, - } MinerGasLimitFlag = &cli.Uint64Flag{ Name: "miner.gaslimit", Usage: "Target gas ceiling for mined blocks", @@ -554,11 +489,6 @@ var ( Value: ethconfig.Defaults.Miner.Recommit, Category: flags.MinerCategory, } - MinerNoVerifyFlag = &cli.BoolFlag{ - Name: "miner.noverify", - Usage: "Disable remote sealing verification", - Category: flags.MinerCategory, - } MinerNewPayloadTimeout = &cli.DurationFlag{ Name: "miner.newpayload-timeout", Usage: "Specify the maximum time allowance for creating a new payload", @@ -648,11 +578,6 @@ var ( Usage: "Reporting URL of a ethstats service (nodename:secret@host:port)", Category: flags.MetricsCategory, } - FakePoWFlag = &cli.BoolFlag{ - Name: "fakepow", - Usage: "Disables proof-of-work verification", - Category: flags.LoggingCategory, - } NoCompactionFlag = &cli.BoolFlag{ Name: "nocompaction", Usage: "Disables db compaction after import", @@ -1604,38 +1529,7 @@ func setTxPool(ctx *cli.Context, cfg *txpool.Config) { } } -func setEthash(ctx *cli.Context, cfg *ethconfig.Config) { - if ctx.IsSet(EthashCacheDirFlag.Name) { - cfg.Ethash.CacheDir = ctx.String(EthashCacheDirFlag.Name) - } - if ctx.IsSet(EthashDatasetDirFlag.Name) { - cfg.Ethash.DatasetDir = ctx.String(EthashDatasetDirFlag.Name) - } - if ctx.IsSet(EthashCachesInMemoryFlag.Name) { - cfg.Ethash.CachesInMem = ctx.Int(EthashCachesInMemoryFlag.Name) - } - if ctx.IsSet(EthashCachesOnDiskFlag.Name) { - cfg.Ethash.CachesOnDisk = ctx.Int(EthashCachesOnDiskFlag.Name) - } - if ctx.IsSet(EthashCachesLockMmapFlag.Name) { - cfg.Ethash.CachesLockMmap = ctx.Bool(EthashCachesLockMmapFlag.Name) - } - if ctx.IsSet(EthashDatasetsInMemoryFlag.Name) { - cfg.Ethash.DatasetsInMem = ctx.Int(EthashDatasetsInMemoryFlag.Name) - } - if ctx.IsSet(EthashDatasetsOnDiskFlag.Name) { - cfg.Ethash.DatasetsOnDisk = ctx.Int(EthashDatasetsOnDiskFlag.Name) - } - if ctx.IsSet(EthashDatasetsLockMmapFlag.Name) { - cfg.Ethash.DatasetsLockMmap = ctx.Bool(EthashDatasetsLockMmapFlag.Name) - } -} - func setMiner(ctx *cli.Context, cfg *miner.Config) { - if ctx.IsSet(MinerNotifyFlag.Name) { - cfg.Notify = strings.Split(ctx.String(MinerNotifyFlag.Name), ",") - } - cfg.NotifyFull = ctx.Bool(MinerNotifyFullFlag.Name) if ctx.IsSet(MinerExtraDataFlag.Name) { cfg.ExtraData = []byte(ctx.String(MinerExtraDataFlag.Name)) } @@ -1648,9 +1542,6 @@ func setMiner(ctx *cli.Context, cfg *miner.Config) { if ctx.IsSet(MinerRecommitIntervalFlag.Name) { cfg.Recommit = ctx.Duration(MinerRecommitIntervalFlag.Name) } - if ctx.IsSet(MinerNoVerifyFlag.Name) { - cfg.Noverify = ctx.Bool(MinerNoVerifyFlag.Name) - } if ctx.IsSet(MinerNewPayloadTimeout.Name) { cfg.NewPayloadTimeout = ctx.Duration(MinerNewPayloadTimeout.Name) } @@ -1741,7 +1632,6 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) { setEtherbase(ctx, cfg) setGPO(ctx, &cfg.GPO, ctx.String(SyncModeFlag.Name) == "light") setTxPool(ctx, &cfg.TxPool) - setEthash(ctx, cfg) setMiner(ctx, &cfg.Miner) setRequiredBlocks(ctx, cfg) setLes(ctx, cfg) @@ -2226,15 +2116,14 @@ func MakeChain(ctx *cli.Context, stack *node.Node, readonly bool) (*core.BlockCh gspec = MakeGenesis(ctx) chainDb = MakeChainDatabase(ctx, stack, readonly) ) - cliqueConfig, err := core.LoadCliqueConfig(chainDb, gspec) + config, err := core.LoadChainConfig(chainDb, gspec) if err != nil { Fatalf("%v", err) } - ethashConfig := ethconfig.Defaults.Ethash - if ctx.Bool(FakePoWFlag.Name) { - ethashConfig.PowMode = ethash.ModeFake + engine, err := ethconfig.CreateConsensusEngine(config, chainDb) + if err != nil { + Fatalf("%v", err) } - engine := ethconfig.CreateConsensusEngine(stack, ðashConfig, cliqueConfig, nil, false, chainDb) if gcmode := ctx.String(GCModeFlag.Name); gcmode != "full" && gcmode != "archive" { Fatalf("--%s must be either 'full' or 'archive'", GCModeFlag.Name) } diff --git a/consensus/beacon/consensus.go b/consensus/beacon/consensus.go index 1129ac06c..284477b27 100644 --- a/consensus/beacon/consensus.go +++ b/consensus/beacon/consensus.go @@ -78,13 +78,13 @@ func (beacon *Beacon) Author(header *types.Header) (common.Address, error) { // VerifyHeader checks whether a header conforms to the consensus rules of the // stock Ethereum consensus engine. -func (beacon *Beacon) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error { +func (beacon *Beacon) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header) error { reached, err := IsTTDReached(chain, header.ParentHash, header.Number.Uint64()-1) if err != nil { return err } if !reached { - return beacon.ethone.VerifyHeader(chain, header, seal) + return beacon.ethone.VerifyHeader(chain, header) } // Short circuit if the parent is not known parent := chain.GetHeader(header.ParentHash, header.Number.Uint64()-1) @@ -149,13 +149,13 @@ func (beacon *Beacon) splitHeaders(chain consensus.ChainHeaderReader, headers [] // concurrently. The method returns a quit channel to abort the operations and // a results channel to retrieve the async verifications. // VerifyHeaders expect the headers to be ordered and continuous. -func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) { +func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header) (chan<- struct{}, <-chan error) { preHeaders, postHeaders, err := beacon.splitHeaders(chain, headers) if err != nil { return make(chan struct{}), errOut(len(headers), err) } if len(postHeaders) == 0 { - return beacon.ethone.VerifyHeaders(chain, headers, seals) + return beacon.ethone.VerifyHeaders(chain, headers) } if len(preHeaders) == 0 { return beacon.verifyHeaders(chain, headers, nil) @@ -171,7 +171,7 @@ func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers [ old, new, out = 0, len(preHeaders), 0 errors = make([]error, len(headers)) done = make([]bool, len(headers)) - oldDone, oldResult = beacon.ethone.VerifyHeaders(chain, preHeaders, seals[:len(preHeaders)]) + oldDone, oldResult = beacon.ethone.VerifyHeaders(chain, preHeaders) newDone, newResult = beacon.verifyHeaders(chain, postHeaders, preHeaders[len(preHeaders)-1]) ) // Collect the results diff --git a/consensus/clique/clique.go b/consensus/clique/clique.go index 2345a5ca0..535cbeb26 100644 --- a/consensus/clique/clique.go +++ b/consensus/clique/clique.go @@ -214,14 +214,14 @@ func (c *Clique) Author(header *types.Header) (common.Address, error) { } // VerifyHeader checks whether a header conforms to the consensus rules. -func (c *Clique) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error { +func (c *Clique) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header) error { return c.verifyHeader(chain, header, nil) } // VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers. The // method returns a quit channel to abort the operations and a results channel to // retrieve the async verifications (the order is that of the input slice). -func (c *Clique) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) { +func (c *Clique) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header) (chan<- struct{}, <-chan error) { abort := make(chan struct{}) results := make(chan error, len(headers)) diff --git a/consensus/consensus.go b/consensus/consensus.go index a9fd8dd1c..3a2c2d222 100644 --- a/consensus/consensus.go +++ b/consensus/consensus.go @@ -66,15 +66,14 @@ type Engine interface { Author(header *types.Header) (common.Address, error) // VerifyHeader checks whether a header conforms to the consensus rules of a - // given engine. Verifying the seal may be done optionally here, or explicitly - // via the VerifySeal method. - VerifyHeader(chain ChainHeaderReader, header *types.Header, seal bool) error + // given engine. + VerifyHeader(chain ChainHeaderReader, header *types.Header) error // VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers // concurrently. The method returns a quit channel to abort the operations and // a results channel to retrieve the async verifications (the order is that of // the input slice). - VerifyHeaders(chain ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) + VerifyHeaders(chain ChainHeaderReader, headers []*types.Header) (chan<- struct{}, <-chan error) // VerifyUncles verifies that the given block's uncles conform to the consensus // rules of a given engine. diff --git a/consensus/ethash/algorithm.go b/consensus/ethash/algorithm.go deleted file mode 100644 index a2a6081f5..000000000 --- a/consensus/ethash/algorithm.go +++ /dev/null @@ -1,1152 +0,0 @@ -// Copyright 2017 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 ethash - -import ( - "encoding/binary" - "hash" - "math/big" - "reflect" - "runtime" - "sync" - "sync/atomic" - "time" - "unsafe" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/bitutil" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/log" - "golang.org/x/crypto/sha3" -) - -const ( - datasetInitBytes = 1 << 30 // Bytes in dataset at genesis - datasetGrowthBytes = 1 << 23 // Dataset growth per epoch - cacheInitBytes = 1 << 24 // Bytes in cache at genesis - cacheGrowthBytes = 1 << 17 // Cache growth per epoch - epochLength = 30000 // Blocks per epoch - mixBytes = 128 // Width of mix - hashBytes = 64 // Hash length in bytes - hashWords = 16 // Number of 32 bit ints in a hash - datasetParents = 256 // Number of parents of each dataset element - cacheRounds = 3 // Number of rounds in cache production - loopAccesses = 64 // Number of accesses in hashimoto loop -) - -// cacheSize returns the size of the ethash verification cache that belongs to a certain -// block number. -func cacheSize(block uint64) uint64 { - epoch := int(block / epochLength) - if epoch < maxEpoch { - return cacheSizes[epoch] - } - return calcCacheSize(epoch) -} - -// calcCacheSize calculates the cache size for epoch. The cache size grows linearly, -// however, we always take the highest prime below the linearly growing threshold in order -// to reduce the risk of accidental regularities leading to cyclic behavior. -func calcCacheSize(epoch int) uint64 { - size := cacheInitBytes + cacheGrowthBytes*uint64(epoch) - hashBytes - for !new(big.Int).SetUint64(size / hashBytes).ProbablyPrime(1) { // Always accurate for n < 2^64 - size -= 2 * hashBytes - } - return size -} - -// datasetSize returns the size of the ethash mining dataset that belongs to a certain -// block number. -func datasetSize(block uint64) uint64 { - epoch := int(block / epochLength) - if epoch < maxEpoch { - return datasetSizes[epoch] - } - return calcDatasetSize(epoch) -} - -// calcDatasetSize calculates the dataset size for epoch. The dataset size grows linearly, -// however, we always take the highest prime below the linearly growing threshold in order -// to reduce the risk of accidental regularities leading to cyclic behavior. -func calcDatasetSize(epoch int) uint64 { - size := datasetInitBytes + datasetGrowthBytes*uint64(epoch) - mixBytes - for !new(big.Int).SetUint64(size / mixBytes).ProbablyPrime(1) { // Always accurate for n < 2^64 - size -= 2 * mixBytes - } - return size -} - -// hasher is a repetitive hasher allowing the same hash data structures to be -// reused between hash runs instead of requiring new ones to be created. -type hasher func(dest []byte, data []byte) - -// makeHasher creates a repetitive hasher, allowing the same hash data structures to -// be reused between hash runs instead of requiring new ones to be created. The returned -// function is not thread safe! -func makeHasher(h hash.Hash) hasher { - // sha3.state supports Read to get the sum, use it to avoid the overhead of Sum. - // Read alters the state but we reset the hash before every operation. - type readerHash interface { - hash.Hash - Read([]byte) (int, error) - } - rh, ok := h.(readerHash) - if !ok { - panic("can't find Read method on hash") - } - outputLen := rh.Size() - return func(dest []byte, data []byte) { - rh.Reset() - rh.Write(data) - rh.Read(dest[:outputLen]) - } -} - -// seedHash is the seed to use for generating a verification cache and the mining -// dataset. -func seedHash(block uint64) []byte { - seed := make([]byte, 32) - if block < epochLength { - return seed - } - keccak256 := makeHasher(sha3.NewLegacyKeccak256()) - for i := 0; i < int(block/epochLength); i++ { - keccak256(seed, seed) - } - return seed -} - -// generateCache creates a verification cache of a given size for an input seed. -// The cache production process involves first sequentially filling up 32 MB of -// memory, then performing two passes of Sergio Demian Lerner's RandMemoHash -// algorithm from Strict Memory Hard Hashing Functions (2014). The output is a -// set of 524288 64-byte values. -// This method places the result into dest in machine byte order. -func generateCache(dest []uint32, epoch uint64, seed []byte) { - // Print some debug logs to allow analysis on low end devices - logger := log.New("epoch", epoch) - - start := time.Now() - defer func() { - elapsed := time.Since(start) - - logFn := logger.Debug - if elapsed > 3*time.Second { - logFn = logger.Info - } - logFn("Generated ethash verification cache", "elapsed", common.PrettyDuration(elapsed)) - }() - // Convert our destination slice to a byte buffer - var cache []byte - cacheHdr := (*reflect.SliceHeader)(unsafe.Pointer(&cache)) - dstHdr := (*reflect.SliceHeader)(unsafe.Pointer(&dest)) - cacheHdr.Data = dstHdr.Data - cacheHdr.Len = dstHdr.Len * 4 - cacheHdr.Cap = dstHdr.Cap * 4 - - // Calculate the number of theoretical rows (we'll store in one buffer nonetheless) - size := uint64(len(cache)) - rows := int(size) / hashBytes - - // Start a monitoring goroutine to report progress on low end devices - var progress atomic.Uint32 - - done := make(chan struct{}) - defer close(done) - - go func() { - for { - select { - case <-done: - return - case <-time.After(3 * time.Second): - logger.Info("Generating ethash verification cache", "percentage", progress.Load()*100/uint32(rows)/(cacheRounds+1), "elapsed", common.PrettyDuration(time.Since(start))) - } - } - }() - // Create a hasher to reuse between invocations - keccak512 := makeHasher(sha3.NewLegacyKeccak512()) - - // Sequentially produce the initial dataset - keccak512(cache, seed) - for offset := uint64(hashBytes); offset < size; offset += hashBytes { - keccak512(cache[offset:], cache[offset-hashBytes:offset]) - progress.Add(1) - } - // Use a low-round version of randmemohash - temp := make([]byte, hashBytes) - - for i := 0; i < cacheRounds; i++ { - for j := 0; j < rows; j++ { - var ( - srcOff = ((j - 1 + rows) % rows) * hashBytes - dstOff = j * hashBytes - xorOff = (binary.LittleEndian.Uint32(cache[dstOff:]) % uint32(rows)) * hashBytes - ) - bitutil.XORBytes(temp, cache[srcOff:srcOff+hashBytes], cache[xorOff:xorOff+hashBytes]) - keccak512(cache[dstOff:], temp) - - progress.Add(1) - } - } - // Swap the byte order on big endian systems and return - if !isLittleEndian() { - swap(cache) - } -} - -// swap changes the byte order of the buffer assuming a uint32 representation. -func swap(buffer []byte) { - for i := 0; i < len(buffer); i += 4 { - binary.BigEndian.PutUint32(buffer[i:], binary.LittleEndian.Uint32(buffer[i:])) - } -} - -// fnv is an algorithm inspired by the FNV hash, which in some cases is used as -// a non-associative substitute for XOR. Note that we multiply the prime with -// the full 32-bit input, in contrast with the FNV-1 spec which multiplies the -// prime with one byte (octet) in turn. -func fnv(a, b uint32) uint32 { - return a*0x01000193 ^ b -} - -// fnvHash mixes in data into mix using the ethash fnv method. -func fnvHash(mix []uint32, data []uint32) { - for i := 0; i < len(mix); i++ { - mix[i] = mix[i]*0x01000193 ^ data[i] - } -} - -// generateDatasetItem combines data from 256 pseudorandomly selected cache nodes, -// and hashes that to compute a single dataset node. -func generateDatasetItem(cache []uint32, index uint32, keccak512 hasher) []byte { - // Calculate the number of theoretical rows (we use one buffer nonetheless) - rows := uint32(len(cache) / hashWords) - - // Initialize the mix - mix := make([]byte, hashBytes) - - binary.LittleEndian.PutUint32(mix, cache[(index%rows)*hashWords]^index) - for i := 1; i < hashWords; i++ { - binary.LittleEndian.PutUint32(mix[i*4:], cache[(index%rows)*hashWords+uint32(i)]) - } - keccak512(mix, mix) - - // Convert the mix to uint32s to avoid constant bit shifting - intMix := make([]uint32, hashWords) - for i := 0; i < len(intMix); i++ { - intMix[i] = binary.LittleEndian.Uint32(mix[i*4:]) - } - // fnv it with a lot of random cache nodes based on index - for i := uint32(0); i < datasetParents; i++ { - parent := fnv(index^i, intMix[i%16]) % rows - fnvHash(intMix, cache[parent*hashWords:]) - } - // Flatten the uint32 mix into a binary one and return - for i, val := range intMix { - binary.LittleEndian.PutUint32(mix[i*4:], val) - } - keccak512(mix, mix) - return mix -} - -// generateDataset generates the entire ethash dataset for mining. -// This method places the result into dest in machine byte order. -func generateDataset(dest []uint32, epoch uint64, cache []uint32) { - // Print some debug logs to allow analysis on low end devices - logger := log.New("epoch", epoch) - - start := time.Now() - defer func() { - elapsed := time.Since(start) - - logFn := logger.Debug - if elapsed > 3*time.Second { - logFn = logger.Info - } - logFn("Generated ethash verification cache", "elapsed", common.PrettyDuration(elapsed)) - }() - - // Figure out whether the bytes need to be swapped for the machine - swapped := !isLittleEndian() - - // Convert our destination slice to a byte buffer - var dataset []byte - datasetHdr := (*reflect.SliceHeader)(unsafe.Pointer(&dataset)) - destHdr := (*reflect.SliceHeader)(unsafe.Pointer(&dest)) - datasetHdr.Data = destHdr.Data - datasetHdr.Len = destHdr.Len * 4 - datasetHdr.Cap = destHdr.Cap * 4 - - // Generate the dataset on many goroutines since it takes a while - threads := runtime.NumCPU() - size := uint64(len(dataset)) - - var pend sync.WaitGroup - pend.Add(threads) - - var progress atomic.Uint64 - for i := 0; i < threads; i++ { - go func(id int) { - defer pend.Done() - - // Create a hasher to reuse between invocations - keccak512 := makeHasher(sha3.NewLegacyKeccak512()) - - // Calculate the data segment this thread should generate - batch := (size + hashBytes*uint64(threads) - 1) / (hashBytes * uint64(threads)) - first := uint64(id) * batch - limit := first + batch - if limit > size/hashBytes { - limit = size / hashBytes - } - // Calculate the dataset segment - percent := size / hashBytes / 100 - for index := first; index < limit; index++ { - item := generateDatasetItem(cache, uint32(index), keccak512) - if swapped { - swap(item) - } - copy(dataset[index*hashBytes:], item) - - if status := progress.Add(1); status%percent == 0 { - logger.Info("Generating DAG in progress", "percentage", (status*100)/(size/hashBytes), "elapsed", common.PrettyDuration(time.Since(start))) - } - } - }(i) - } - // Wait for all the generators to finish and return - pend.Wait() -} - -// hashimoto aggregates data from the full dataset in order to produce our final -// value for a particular header hash and nonce. -func hashimoto(hash []byte, nonce uint64, size uint64, lookup func(index uint32) []uint32) ([]byte, []byte) { - // Calculate the number of theoretical rows (we use one buffer nonetheless) - rows := uint32(size / mixBytes) - - // Combine header+nonce into a 40 byte seed - seed := make([]byte, 40) - copy(seed, hash) - binary.LittleEndian.PutUint64(seed[32:], nonce) - - seed = crypto.Keccak512(seed) - seedHead := binary.LittleEndian.Uint32(seed) - - // Start the mix with replicated seed - mix := make([]uint32, mixBytes/4) - for i := 0; i < len(mix); i++ { - mix[i] = binary.LittleEndian.Uint32(seed[i%16*4:]) - } - // Mix in random dataset nodes - temp := make([]uint32, len(mix)) - - for i := 0; i < loopAccesses; i++ { - parent := fnv(uint32(i)^seedHead, mix[i%len(mix)]) % rows - for j := uint32(0); j < mixBytes/hashBytes; j++ { - copy(temp[j*hashWords:], lookup(2*parent+j)) - } - fnvHash(mix, temp) - } - // Compress mix - for i := 0; i < len(mix); i += 4 { - mix[i/4] = fnv(fnv(fnv(mix[i], mix[i+1]), mix[i+2]), mix[i+3]) - } - mix = mix[:len(mix)/4] - - digest := make([]byte, common.HashLength) - for i, val := range mix { - binary.LittleEndian.PutUint32(digest[i*4:], val) - } - return digest, crypto.Keccak256(append(seed, digest...)) -} - -// hashimotoLight aggregates data from the full dataset (using only a small -// in-memory cache) in order to produce our final value for a particular header -// hash and nonce. -func hashimotoLight(size uint64, cache []uint32, hash []byte, nonce uint64) ([]byte, []byte) { - keccak512 := makeHasher(sha3.NewLegacyKeccak512()) - - lookup := func(index uint32) []uint32 { - rawData := generateDatasetItem(cache, index, keccak512) - - data := make([]uint32, len(rawData)/4) - for i := 0; i < len(data); i++ { - data[i] = binary.LittleEndian.Uint32(rawData[i*4:]) - } - return data - } - return hashimoto(hash, nonce, size, lookup) -} - -// hashimotoFull aggregates data from the full dataset (using the full in-memory -// dataset) in order to produce our final value for a particular header hash and -// nonce. -func hashimotoFull(dataset []uint32, hash []byte, nonce uint64) ([]byte, []byte) { - lookup := func(index uint32) []uint32 { - offset := index * hashWords - return dataset[offset : offset+hashWords] - } - return hashimoto(hash, nonce, uint64(len(dataset))*4, lookup) -} - -const maxEpoch = 2048 - -// datasetSizes is a lookup table for the ethash dataset size for the first 2048 -// epochs (i.e. 61440000 blocks). -var datasetSizes = [maxEpoch]uint64{ - 1073739904, 1082130304, 1090514816, 1098906752, 1107293056, - 1115684224, 1124070016, 1132461952, 1140849536, 1149232768, - 1157627776, 1166013824, 1174404736, 1182786944, 1191180416, - 1199568512, 1207958912, 1216345216, 1224732032, 1233124736, - 1241513344, 1249902464, 1258290304, 1266673792, 1275067264, - 1283453312, 1291844992, 1300234112, 1308619904, 1317010048, - 1325397376, 1333787776, 1342176128, 1350561664, 1358954368, - 1367339392, 1375731584, 1384118144, 1392507008, 1400897408, - 1409284736, 1417673344, 1426062464, 1434451072, 1442839168, - 1451229056, 1459615616, 1468006016, 1476394112, 1484782976, - 1493171584, 1501559168, 1509948032, 1518337664, 1526726528, - 1535114624, 1543503488, 1551892096, 1560278656, 1568669056, - 1577056384, 1585446272, 1593831296, 1602219392, 1610610304, - 1619000192, 1627386752, 1635773824, 1644164224, 1652555648, - 1660943488, 1669332608, 1677721216, 1686109312, 1694497664, - 1702886272, 1711274624, 1719661184, 1728047744, 1736434816, - 1744829056, 1753218944, 1761606272, 1769995904, 1778382464, - 1786772864, 1795157888, 1803550592, 1811937664, 1820327552, - 1828711552, 1837102976, 1845488768, 1853879936, 1862269312, - 1870656896, 1879048064, 1887431552, 1895825024, 1904212096, - 1912601216, 1920988544, 1929379456, 1937765504, 1946156672, - 1954543232, 1962932096, 1971321728, 1979707264, 1988093056, - 1996487552, 2004874624, 2013262208, 2021653888, 2030039936, - 2038430848, 2046819968, 2055208576, 2063596672, 2071981952, - 2080373632, 2088762752, 2097149056, 2105539712, 2113928576, - 2122315136, 2130700672, 2139092608, 2147483264, 2155872128, - 2164257664, 2172642176, 2181035392, 2189426048, 2197814912, - 2206203008, 2214587264, 2222979712, 2231367808, 2239758208, - 2248145024, 2256527744, 2264922752, 2273312128, 2281701248, - 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3003120256, 3011508352, 3019895936, 3028287104, 3036675968, - 3045063808, 3053452928, 3061837696, 3070228352, 3078615424, - 3087003776, 3095394944, 3103782272, 3112173184, 3120562048, - 3128944768, 3137339264, 3145725056, 3154109312, 3162505088, - 3170893184, 3179280256, 3187669376, 3196056704, 3204445568, - 3212836736, 3221224064, 3229612928, 3238002304, 3246391168, - 3254778496, 3263165824, 3271556224, 3279944576, 3288332416, - 3296719232, 3305110912, 3313500032, 3321887104, 3330273152, - 3338658944, 3347053184, 3355440512, 3363827072, 3372220288, - 3380608384, 3388997504, 3397384576, 3405774208, 3414163072, - 3422551936, 3430937984, 3439328384, 3447714176, 3456104576, - 3464493952, 3472883584, 3481268864, 3489655168, 3498048896, - 3506434432, 3514826368, 3523213952, 3531603584, 3539987072, - 3548380288, 3556763264, 3565157248, 3573545344, 3581934464, - 3590324096, 3598712704, 3607098752, 3615488384, 3623877248, - 3632265856, 3640646528, 3649043584, 3657430144, 3665821568, - 3674207872, 3682597504, 3690984832, 3699367808, 3707764352, - 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15124659584, 15133042304, 15141431936, 15149824384, 15158214272, - 15166602368, 15174991232, 15183378304, 15191760512, 15200154496, - 15208542592, 15216931712, 15225323392, 15233708416, 15242098048, - 15250489216, 15258875264, 15267265408, 15275654528, 15284043136, - 15292431488, 15300819584, 15309208192, 15317596544, 15325986176, - 15334374784, 15342763648, 15351151744, 15359540608, 15367929728, - 15376318336, 15384706432, 15393092992, 15401481856, 15409869952, - 15418258816, 15426649984, 15435037568, 15443425664, 15451815296, - 15460203392, 15468589184, 15476979328, 15485369216, 15493755776, - 15502146944, 15510534272, 15518924416, 15527311232, 15535699072, - 15544089472, 15552478336, 15560866688, 15569254528, 15577642624, - 15586031488, 15594419072, 15602809472, 15611199104, 15619586432, - 15627975296, 15636364928, 15644753792, 15653141888, 15661529216, - 15669918848, 15678305152, 15686696576, 15695083136, 15703474048, - 15711861632, 15720251264, 15728636288, 15737027456, 15745417088, - 15753804928, 15762194048, 15770582656, 15778971008, 15787358336, - 15795747712, 15804132224, 15812523392, 15820909696, 15829300096, - 15837691264, 15846071936, 15854466944, 15862855808, 15871244672, - 15879634816, 15888020608, 15896409728, 15904799104, 15913185152, - 15921577088, 15929966464, 15938354816, 15946743424, 15955129472, - 15963519872, 15971907968, 15980296064, 15988684928, 15997073024, - 16005460864, 16013851264, 16022241152, 16030629248, 16039012736, - 16047406976, 16055794816, 16064181376, 16072571264, 16080957824, - 16089346688, 16097737856, 16106125184, 16114514816, 16122904192, - 16131292544, 16139678848, 16148066944, 16156453504, 16164839552, - 16173236096, 16181623424, 16190012032, 16198401152, 16206790528, - 16215177344, 16223567744, 16231956352, 16240344704, 16248731008, - 16257117824, 16265504384, 16273898624, 16282281856, 16290668672, - 16299064192, 16307449216, 16315842176, 16324230016, 16332613504, - 16341006464, 16349394304, 16357783168, 16366172288, 16374561664, - 16382951296, 16391337856, 16399726208, 16408116352, 16416505472, - 16424892032, 16433282176, 16441668224, 16450058624, 16458448768, - 16466836864, 16475224448, 16483613056, 16492001408, 16500391808, - 16508779648, 16517166976, 16525555328, 16533944192, 16542330752, - 16550719616, 16559110528, 16567497088, 16575888512, 16584274816, - 16592665472, 16601051008, 16609442944, 16617832064, 16626218624, - 16634607488, 16642996096, 16651385728, 16659773824, 16668163712, - 16676552576, 16684938112, 16693328768, 16701718144, 16710095488, - 16718492288, 16726883968, 16735272832, 16743661184, 16752049792, - 16760436608, 16768827008, 16777214336, 16785599104, 16793992832, - 16802381696, 16810768768, 16819151744, 16827542656, 16835934848, - 16844323712, 16852711552, 16861101952, 16869489536, 16877876864, - 16886265728, 16894653056, 16903044736, 16911431296, 16919821696, - 16928207488, 16936592768, 16944987776, 16953375616, 16961763968, - 16970152832, 16978540928, 16986929536, 16995319168, 17003704448, - 17012096896, 17020481152, 17028870784, 17037262208, 17045649536, - 17054039936, 17062426496, 17070814336, 17079205504, 17087592064, - 17095978112, 17104369024, 17112759424, 17121147776, 17129536384, - 17137926016, 17146314368, 17154700928, 17163089792, 17171480192, - 17179864192, 17188256896, 17196644992, 17205033856, 17213423488, - 17221811072, 17230198912, 17238588032, 17246976896, 17255360384, - 17263754624, 17272143232, 17280530048, 17288918912, 17297309312, - 17305696384, 17314085504, 17322475136, 17330863744, 17339252096, - 17347640192, 17356026496, 17364413824, 17372796544, 17381190016, - 17389583488, 17397972608, 17406360704, 17414748544, 17423135872, - 17431527296, 17439915904, 17448303232, 17456691584, 17465081728, - 17473468288, 17481857408, 17490247552, 17498635904, 17507022464, - 17515409024, 17523801728, 17532189824, 17540577664, 17548966016, - 17557353344, 17565741184, 17574131584, 17582519168, 17590907008, - 17599296128, 17607687808, 17616076672, 17624455808, 17632852352, - 17641238656, 17649630848, 17658018944, 17666403968, 17674794112, - 17683178368, 17691573376, 17699962496, 17708350592, 17716739968, - 17725126528, 17733517184, 17741898112, 17750293888, 17758673024, - 17767070336, 17775458432, 17783848832, 17792236928, 17800625536, - 17809012352, 17817402752, 17825785984, 17834178944, 17842563968, - 17850955648, 17859344512, 17867732864, 17876119424, 17884511872, - 17892900224, 17901287296, 17909677696, 17918058112, 17926451072, - 17934843776, 17943230848, 17951609216, 17960008576, 17968397696, - 17976784256, 17985175424, 17993564032, 18001952128, 18010339712, - 18018728576, 18027116672, 18035503232, 18043894144, 18052283264, - 18060672128, 18069056384, 18077449856, 18085837184, 18094225792, - 18102613376, 18111004544, 18119388544, 18127781248, 18136170368, - 18144558976, 18152947328, 18161336192, 18169724288, 18178108544, - 18186498944, 18194886784, 18203275648, 18211666048, 18220048768, - 18228444544, 18236833408, 18245220736} - -// cacheSizes is a lookup table for the ethash verification cache size for the -// first 2048 epochs (i.e. 61440000 blocks). -var cacheSizes = [maxEpoch]uint64{ - 16776896, 16907456, 17039296, 17170112, 17301056, 17432512, 17563072, - 17693888, 17824192, 17955904, 18087488, 18218176, 18349504, 18481088, - 18611392, 18742336, 18874304, 19004224, 19135936, 19267264, 19398208, - 19529408, 19660096, 19791424, 19922752, 20053952, 20184896, 20315968, - 20446912, 20576576, 20709184, 20840384, 20971072, 21102272, 21233216, - 21364544, 21494848, 21626816, 21757376, 21887552, 22019392, 22151104, - 22281536, 22412224, 22543936, 22675264, 22806464, 22935872, 23068096, - 23198272, 23330752, 23459008, 23592512, 23723968, 23854912, 23986112, - 24116672, 24247616, 24378688, 24509504, 24640832, 24772544, 24903488, - 25034432, 25165376, 25296704, 25427392, 25558592, 25690048, 25820096, - 25951936, 26081728, 26214208, 26345024, 26476096, 26606656, 26737472, - 26869184, 26998208, 27131584, 27262528, 27393728, 27523904, 27655744, - 27786688, 27917888, 28049344, 28179904, 28311488, 28441792, 28573504, - 28700864, 28835648, 28966208, 29096768, 29228608, 29359808, 29490752, - 29621824, 29752256, 29882816, 30014912, 30144448, 30273728, 30406976, - 30538432, 30670784, 30799936, 30932672, 31063744, 31195072, 31325248, - 31456192, 31588288, 31719232, 31850432, 31981504, 32110784, 32243392, - 32372672, 32505664, 32636608, 32767808, 32897344, 33029824, 33160768, - 33289664, 33423296, 33554368, 33683648, 33816512, 33947456, 34076992, - 34208704, 34340032, 34471744, 34600256, 34734016, 34864576, 34993984, - 35127104, 35258176, 35386688, 35518528, 35650624, 35782336, 35910976, - 36044608, 36175808, 36305728, 36436672, 36568384, 36699968, 36830656, - 36961984, 37093312, 37223488, 37355072, 37486528, 37617472, 37747904, - 37879232, 38009792, 38141888, 38272448, 38403392, 38535104, 38660672, - 38795584, 38925632, 39059264, 39190336, 39320768, 39452096, 39581632, - 39713984, 39844928, 39974848, 40107968, 40238144, 40367168, 40500032, - 40631744, 40762816, 40894144, 41023552, 41155904, 41286208, 41418304, - 41547712, 41680448, 41811904, 41942848, 42073792, 42204992, 42334912, - 42467008, 42597824, 42729152, 42860096, 42991552, 43122368, 43253696, - 43382848, 43515712, 43646912, 43777088, 43907648, 44039104, 44170432, - 44302144, 44433344, 44564288, 44694976, 44825152, 44956864, 45088448, - 45219008, 45350464, 45481024, 45612608, 45744064, 45874496, 46006208, - 46136768, 46267712, 46399424, 46529344, 46660672, 46791488, 46923328, - 47053504, 47185856, 47316928, 47447872, 47579072, 47710144, 47839936, - 47971648, 48103232, 48234176, 48365248, 48496192, 48627136, 48757312, - 48889664, 49020736, 49149248, 49283008, 49413824, 49545152, 49675712, - 49807168, 49938368, 50069056, 50200256, 50331584, 50462656, 50593472, - 50724032, 50853952, 50986048, 51117632, 51248576, 51379904, 51510848, - 51641792, 51773248, 51903296, 52035136, 52164032, 52297664, 52427968, - 52557376, 52690112, 52821952, 52952896, 53081536, 53213504, 53344576, - 53475776, 53608384, 53738816, 53870528, 54000832, 54131776, 54263744, - 54394688, 54525248, 54655936, 54787904, 54918592, 55049152, 55181248, - 55312064, 55442752, 55574336, 55705024, 55836224, 55967168, 56097856, - 56228672, 56358592, 56490176, 56621888, 56753728, 56884928, 57015488, - 57146816, 57278272, 57409216, 57540416, 57671104, 57802432, 57933632, - 58064576, 58195264, 58326976, 58457408, 58588864, 58720192, 58849984, - 58981696, 59113024, 59243456, 59375552, 59506624, 59637568, 59768512, - 59897792, 60030016, 60161984, 60293056, 60423872, 60554432, 60683968, - 60817216, 60948032, 61079488, 61209664, 61341376, 61471936, 61602752, - 61733696, 61865792, 61996736, 62127808, 62259136, 62389568, 62520512, - 62651584, 62781632, 62910784, 63045056, 63176128, 63307072, 63438656, - 63569216, 63700928, 63831616, 63960896, 64093888, 64225088, 64355392, - 64486976, 64617664, 64748608, 64879424, 65009216, 65142464, 65273792, - 65402816, 65535424, 65666752, 65797696, 65927744, 66060224, 66191296, - 66321344, 66453056, 66584384, 66715328, 66846656, 66977728, 67108672, - 67239104, 67370432, 67501888, 67631296, 67763776, 67895104, 68026304, - 68157248, 68287936, 68419264, 68548288, 68681408, 68811968, 68942912, - 69074624, 69205568, 69337024, 69467584, 69599168, 69729472, 69861184, - 69989824, 70122944, 70253888, 70385344, 70515904, 70647232, 70778816, - 70907968, 71040832, 71171648, 71303104, 71432512, 71564992, 71695168, - 71826368, 71958464, 72089536, 72219712, 72350144, 72482624, 72613568, - 72744512, 72875584, 73006144, 73138112, 73268672, 73400128, 73530944, - 73662272, 73793344, 73924544, 74055104, 74185792, 74316992, 74448832, - 74579392, 74710976, 74841664, 74972864, 75102784, 75233344, 75364544, - 75497024, 75627584, 75759296, 75890624, 76021696, 76152256, 76283072, - 76414144, 76545856, 76676672, 76806976, 76937792, 77070016, 77200832, - 77331392, 77462464, 77593664, 77725376, 77856448, 77987776, 78118336, - 78249664, 78380992, 78511424, 78642496, 78773056, 78905152, 79033664, - 79166656, 79297472, 79429568, 79560512, 79690816, 79822784, 79953472, - 80084672, 80214208, 80346944, 80477632, 80608576, 80740288, 80870848, - 81002048, 81133504, 81264448, 81395648, 81525952, 81657536, 81786304, - 81919808, 82050112, 82181312, 82311616, 82443968, 82573376, 82705984, - 82835776, 82967744, 83096768, 83230528, 83359552, 83491264, 83622464, - 83753536, 83886016, 84015296, 84147776, 84277184, 84409792, 84540608, - 84672064, 84803008, 84934336, 85065152, 85193792, 85326784, 85458496, - 85589312, 85721024, 85851968, 85982656, 86112448, 86244416, 86370112, - 86506688, 86637632, 86769344, 86900672, 87031744, 87162304, 87293632, - 87424576, 87555392, 87687104, 87816896, 87947968, 88079168, 88211264, - 88341824, 88473152, 88603712, 88735424, 88862912, 88996672, 89128384, - 89259712, 89390272, 89521984, 89652544, 89783872, 89914816, 90045376, - 90177088, 90307904, 90438848, 90569152, 90700096, 90832832, 90963776, - 91093696, 91223744, 91356992, 91486784, 91618496, 91749824, 91880384, - 92012224, 92143552, 92273344, 92405696, 92536768, 92666432, 92798912, - 92926016, 93060544, 93192128, 93322816, 93453632, 93583936, 93715136, - 93845056, 93977792, 94109504, 94240448, 94371776, 94501184, 94632896, - 94764224, 94895552, 95023424, 95158208, 95287744, 95420224, 95550016, - 95681216, 95811904, 95943872, 96075328, 96203584, 96337856, 96468544, - 96599744, 96731072, 96860992, 96992576, 97124288, 97254848, 97385536, - 97517248, 97647808, 97779392, 97910464, 98041408, 98172608, 98303168, - 98434496, 98565568, 98696768, 98827328, 98958784, 99089728, 99220928, - 99352384, 99482816, 99614272, 99745472, 99876416, 100007104, - 100138048, 100267072, 100401088, 100529984, 100662592, 100791872, - 100925248, 101056064, 101187392, 101317952, 101449408, 101580608, - 101711296, 101841728, 101973824, 102104896, 102235712, 102366016, - 102498112, 102628672, 102760384, 102890432, 103021888, 103153472, - 103284032, 103415744, 103545152, 103677248, 103808576, 103939648, - 104070976, 104201792, 104332736, 104462528, 104594752, 104725952, - 104854592, 104988608, 105118912, 105247808, 105381184, 105511232, - 105643072, 105774784, 105903296, 106037056, 106167872, 106298944, - 106429504, 106561472, 106691392, 106822592, 106954304, 107085376, - 107216576, 107346368, 107478464, 107609792, 107739712, 107872192, - 108003136, 108131392, 108265408, 108396224, 108527168, 108657344, - 108789568, 108920384, 109049792, 109182272, 109312576, 109444928, - 109572928, 109706944, 109837888, 109969088, 110099648, 110230976, - 110362432, 110492992, 110624704, 110755264, 110886208, 111017408, - 111148864, 111279296, 111410752, 111541952, 111673024, 111803456, - 111933632, 112066496, 112196416, 112328512, 112457792, 112590784, - 112715968, 112852672, 112983616, 113114944, 113244224, 113376448, - 113505472, 113639104, 113770304, 113901376, 114031552, 114163264, - 114294592, 114425536, 114556864, 114687424, 114818624, 114948544, - 115080512, 115212224, 115343296, 115473472, 115605184, 115736128, - 115867072, 115997248, 116128576, 116260288, 116391488, 116522944, - 116652992, 116784704, 116915648, 117046208, 117178304, 117308608, - 117440192, 117569728, 117701824, 117833024, 117964096, 118094656, - 118225984, 118357312, 118489024, 118617536, 118749632, 118882112, - 119012416, 119144384, 119275328, 119406016, 119537344, 119668672, - 119798464, 119928896, 120061376, 120192832, 120321728, 120454336, - 120584512, 120716608, 120848192, 120979136, 121109056, 121241408, - 121372352, 121502912, 121634752, 121764416, 121895744, 122027072, - 122157632, 122289088, 122421184, 122550592, 122682944, 122813888, - 122945344, 123075776, 123207488, 123338048, 123468736, 123600704, - 123731264, 123861952, 123993664, 124124608, 124256192, 124386368, - 124518208, 124649024, 124778048, 124911296, 125041088, 125173696, - 125303744, 125432896, 125566912, 125696576, 125829056, 125958592, - 126090304, 126221248, 126352832, 126483776, 126615232, 126746432, - 126876608, 127008704, 127139392, 127270336, 127401152, 127532224, - 127663552, 127794752, 127925696, 128055232, 128188096, 128319424, - 128449856, 128581312, 128712256, 128843584, 128973632, 129103808, - 129236288, 129365696, 129498944, 129629888, 129760832, 129892288, - 130023104, 130154048, 130283968, 130416448, 130547008, 130678336, - 130807616, 130939456, 131071552, 131202112, 131331776, 131464384, - 131594048, 131727296, 131858368, 131987392, 132120256, 132250816, - 132382528, 132513728, 132644672, 132774976, 132905792, 133038016, - 133168832, 133299392, 133429312, 133562048, 133692992, 133823296, - 133954624, 134086336, 134217152, 134348608, 134479808, 134607296, - 134741056, 134872384, 135002944, 135134144, 135265472, 135396544, - 135527872, 135659072, 135787712, 135921472, 136052416, 136182848, - 136313792, 136444864, 136576448, 136707904, 136837952, 136970048, - 137099584, 137232064, 137363392, 137494208, 137625536, 137755712, - 137887424, 138018368, 138149824, 138280256, 138411584, 138539584, - 138672832, 138804928, 138936128, 139066688, 139196864, 139328704, - 139460032, 139590208, 139721024, 139852864, 139984576, 140115776, - 140245696, 140376512, 140508352, 140640064, 140769856, 140902336, - 141032768, 141162688, 141294016, 141426496, 141556544, 141687488, - 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283377344, 283508416, 283639744, 283770304, 283901504, 284032576, - 284163136, 284294848, 284426176, 284556992, 284687296, 284819264, - 284950208, 285081536} diff --git a/consensus/ethash/algorithm_test.go b/consensus/ethash/algorithm_test.go deleted file mode 100644 index 3ecd73068..000000000 --- a/consensus/ethash/algorithm_test.go +++ /dev/null @@ -1,815 +0,0 @@ -// Copyright 2017 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 ethash - -import ( - "bytes" - "encoding/binary" - "math/big" - "os" - "reflect" - "sync" - "testing" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/hexutil" - "github.com/ethereum/go-ethereum/core/types" -) - -// prepare converts an ethash cache or dataset from a byte stream into the internal -// int representation. All ethash methods work with ints to avoid constant byte to -// int conversions as well as to handle both little and big endian systems. -func prepare(dest []uint32, src []byte) { - for i := 0; i < len(dest); i++ { - dest[i] = binary.LittleEndian.Uint32(src[i*4:]) - } -} - -// Tests whether the dataset size calculator works correctly by cross checking the -// hard coded lookup table with the value generated by it. -func TestSizeCalculations(t *testing.T) { - // Verify all the cache and dataset sizes from the lookup table. - for epoch, want := range cacheSizes { - if size := calcCacheSize(epoch); size != want { - t.Errorf("cache %d: cache size mismatch: have %d, want %d", epoch, size, want) - } - } - for epoch, want := range datasetSizes { - if size := calcDatasetSize(epoch); size != want { - t.Errorf("dataset %d: dataset size mismatch: have %d, want %d", epoch, size, want) - } - } -} - -// Tests that verification caches can be correctly generated. -func TestCacheGeneration(t *testing.T) { - tests := []struct { - size uint64 - epoch uint64 - cache []byte - }{ - { - size: 1024, - epoch: 0, - cache: hexutil.MustDecode("0x" + - "7ce2991c951f7bf4c4c1bb119887ee07871eb5339d7b97b8588e85c742de90e5bafd5bbe6ce93a134fb6be9ad3e30db99d9528a2ea7846833f52e9ca119b6b54" + - "8979480c46e19972bd0738779c932c1b43e665a2fd3122fc3ddb2691f353ceb0ed3e38b8f51fd55b6940290743563c9f8fa8822e611924657501a12aafab8a8d" + - "88fb5fbae3a99d14792406672e783a06940a42799b1c38bc28715db6d37cb11f9f6b24e386dc52dd8c286bd8c36fa813dffe4448a9f56ebcbeea866b42f68d22" + - "6c32aae4d695a23cab28fd74af53b0c2efcc180ceaaccc0b2e280103d097a03c1d1b0f0f26ce5f32a90238f9bc49f645db001ef9cd3d13d44743f841fad11a37" + - "fa290c62c16042f703578921f30b9951465aae2af4a5dad43a7341d7b4a62750954965a47a1c3af638dc3495c4d62a9bab843168c9fc0114e79cffd1b2827b01" + - "75d30ba054658f214e946cf24c43b40d3383fbb0493408e5c5392434ca21bbcf43200dfb876c713d201813934fa485f48767c5915745cf0986b1dc0f33e57748" + - "bf483ee2aff4248dfe461ec0504a13628401020fc22638584a8f2f5206a13b2f233898c78359b21c8226024d0a7a93df5eb6c282bdbf005a4aab497e096f2847" + - "76c71cee57932a8fb89f6d6b8743b60a4ea374899a94a2e0f218d5c55818cefb1790c8529a76dba31ebb0f4592d709b49587d2317970d39c086f18dd244291d9" + - "eedb16705e53e3350591bd4ff4566a3595ac0f0ce24b5e112a3d033bc51b6fea0a92296dea7f5e20bf6ee6bc347d868fda193c395b9bb147e55e5a9f67cfe741" + - "7eea7d699b155bd13804204df7ea91fa9249e4474dddf35188f77019c67d201e4c10d7079c5ad492a71afff9a23ca7e900ba7d1bdeaf3270514d8eb35eab8a0a" + - "718bb7273aeb37768fa589ed8ab01fbf4027f4ebdbbae128d21e485f061c20183a9bc2e31edbda0727442e9d58eb0fe198440fe199e02e77c0f7b99973f1f74c" + - "c9089a51ab96c94a84d66e6aa48b2d0a4543adb5a789039a2aa7b335ca85c91026c7d3c894da53ae364188c3fd92f78e01d080399884a47385aa792e38150cda" + - "a8620b2ebeca41fbc773bb837b5e724d6eb2de570d99858df0d7d97067fb8103b21757873b735097b35d3bea8fd1c359a9e8a63c1540c76c9784cf8d975e995c" + - "778401b94a2e66e6993ad67ad3ecdc2acb17779f1ea8606827ec92b11c728f8c3b6d3f04a3e6ed05ff81dd76d5dc5695a50377bc135aaf1671cf68b750315493" + - "6c64510164d53312bf3c41740c7a237b05faf4a191bd8a95dafa068dbcf370255c725900ce5c934f36feadcfe55b687c440574c1f06f39d207a8553d39156a24" + - "845f64fd8324bb85312979dead74f764c9677aab89801ad4f927f1c00f12e28f22422bb44200d1969d9ab377dd6b099dc6dbc3222e9321b2c1e84f8e2f07731c"), - }, - { - size: 1024, - epoch: 1, - cache: hexutil.MustDecode("0x" + - "1f56855d59cc5a085720899b4377a0198f1abe948d85fe5820dc0e346b7c0931b9cde8e541d751de3b2b3275d0aabfae316209d5879297d8bd99f8a033c9d4df" + - "35add1029f4e6404a022d504fb8023e42989aba985a65933b0109c7218854356f9284983c9e7de97de591828ae348b63d1fc78d8db58157344d4e06530ffd422" + - "5c7f6080d451ff94961ec2dd9e28e6d81b49102451676dbdcb6ef1094c1e8b29e7e808d47b2ba5aeb52dabf00d5f0ee08c116289cbf56d8132e5ca557c3d6220" + - "5ba3a48539acabfd4ca3c89e3aaa668e24ffeaeb9eb0136a9fc5a8a676b6d5ad76175eeda0a1fa44b5ff5591079e4b7f581569b6c82416adcb82d7e92980df67" + - "2248c4024013e7be52cf91a82491627d9e6d80eda2770ab82badc5e120cd33a4c84495f718b57396a8f397e797087fad81fa50f0e2f5da71e40816a85de35a96" + - "3cd351364905c45b3116ff25851d43a2ca1d2aa5cdb408440dabef8c57778fc18608bf431d0c7ffd37649a21a7bb9d90def39c821669dbaf165c0262434dfb08" + - 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"efe6eb1a5a6e137daa6ec9f6be30931ca368a944cfcf2a0a29f9a9664188f0466e6f078c347f9fe26a9a89d2029462b19245f24ace47aecace6ef85a4e96b31b" + - "5f470eb0165c6375eb8f245d50a25d521d1e569e3b2dccce626752bb26eae624a24511e831a81fab6898a791579f462574ca4851e6588116493dbccc3072e0c5"), - }, - } - for i, tt := range tests { - cache := make([]uint32, tt.size/4) - generateCache(cache, tt.epoch, seedHash(tt.epoch*epochLength+1)) - - want := make([]uint32, tt.size/4) - prepare(want, tt.cache) - - if !reflect.DeepEqual(cache, want) { - t.Errorf("cache %d: content mismatch: have %x, want %x", i, cache, want) - } - } -} - -func TestDatasetGeneration(t *testing.T) { - tests := []struct { - epoch uint64 - cacheSize uint64 - datasetSize uint64 - dataset []byte - }{ - { - epoch: 0, - cacheSize: 1024, - datasetSize: 32 * 1024, - dataset: hexutil.MustDecode("0x" + - "4bc09fbd530a041dd2ec296110a29e8f130f179c59d223f51ecce3126e8b0c74326abc2f32ccd9d7f976bd0944e3ccf8479db39343cbbffa467046ca97e2da63" + - "da5f9d9688c7c33ab7b8aace570e422fa48b24659b72fc534669209d66389ca15b099c5604601e7581488e3bd6925cec0f12d465f8004d4fa84793f8e1e46a1b" + - 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generateDataset(dataset, tt.epoch, cache) - - want := make([]uint32, tt.datasetSize/4) - prepare(want, tt.dataset) - - if !reflect.DeepEqual(dataset, want) { - t.Errorf("dataset %d: content mismatch: have %x, want %x", i, dataset, want) - } - } -} - -// Tests whether the hashimoto lookup works for both light as well as the full -// datasets. -func TestHashimoto(t *testing.T) { - // Create the verification cache and mining dataset - cache := make([]uint32, 1024/4) - generateCache(cache, 0, make([]byte, 32)) - - dataset := make([]uint32, 32*1024/4) - generateDataset(dataset, 0, cache) - - // Create a block to verify - hash := hexutil.MustDecode("0xc9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f") - nonce := uint64(0) - - wantDigest := hexutil.MustDecode("0xe4073cffaef931d37117cefd9afd27ea0f1cad6a981dd2605c4a1ac97c519800") - wantResult := hexutil.MustDecode("0xd3539235ee2e6f8db665c0a72169f55b7f6c605712330b778ec3944f0eb5a557") - - digest, result := hashimotoLight(32*1024, cache, hash, nonce) - if !bytes.Equal(digest, wantDigest) { - t.Errorf("light hashimoto digest mismatch: have %x, want %x", digest, wantDigest) - } - if !bytes.Equal(result, wantResult) { - t.Errorf("light hashimoto result mismatch: have %x, want %x", result, wantResult) - } - digest, result = hashimotoFull(dataset, hash, nonce) - if !bytes.Equal(digest, wantDigest) { - t.Errorf("full hashimoto digest mismatch: have %x, want %x", digest, wantDigest) - } - if !bytes.Equal(result, wantResult) { - t.Errorf("full hashimoto result mismatch: have %x, want %x", result, wantResult) - } -} - -// Tests that caches generated on disk may be done concurrently. -func TestConcurrentDiskCacheGeneration(t *testing.T) { - // Create a temp folder to generate the caches into - // TODO: t.TempDir fails to remove the directory on Windows - // \AppData\Local\Temp\1\TestConcurrentDiskCacheGeneration2382060137\001\cache-R23-1dca8a85e74aa763: Access is denied. - cachedir, err := os.MkdirTemp("", "") - if err != nil { - t.Fatalf("Failed to create temporary cache dir: %v", err) - } - defer os.RemoveAll(cachedir) - - // Define a heavy enough block, one from mainnet should do - block := types.NewBlockWithHeader(&types.Header{ - Number: big.NewInt(3311058), - ParentHash: common.HexToHash("0xd783efa4d392943503f28438ad5830b2d5964696ffc285f338585e9fe0a37a05"), - UncleHash: types.EmptyUncleHash, - Coinbase: common.HexToAddress("0xc0ea08a2d404d3172d2add29a45be56da40e2949"), - Root: common.HexToHash("0x77d14e10470b5850332524f8cd6f69ad21f070ce92dca33ab2858300242ef2f1"), - TxHash: types.EmptyTxsHash, - ReceiptHash: types.EmptyReceiptsHash, - Difficulty: big.NewInt(167925187834220), - GasLimit: 4015682, - GasUsed: 0, - Time: 1488928920, - Extra: []byte("www.bw.com"), - MixDigest: common.HexToHash("0x3e140b0784516af5e5ec6730f2fb20cca22f32be399b9e4ad77d32541f798cd0"), - Nonce: types.EncodeNonce(0xf400cd0006070c49), - }) - // Simulate multiple processes sharing the same datadir - var pend sync.WaitGroup - - for i := 0; i < 3; i++ { - pend.Add(1) - go func(idx int) { - defer pend.Done() - - config := Config{ - CacheDir: cachedir, - CachesOnDisk: 1, - } - ethash := New(config, nil, false) - defer ethash.Close() - if err := ethash.verifySeal(nil, block.Header(), false); err != nil { - t.Errorf("proc %d: block verification failed: %v", idx, err) - } - }(i) - } - pend.Wait() -} - -// Benchmarks the cache generation performance. -func BenchmarkCacheGeneration(b *testing.B) { - for i := 0; i < b.N; i++ { - cache := make([]uint32, cacheSize(1)/4) - generateCache(cache, 0, make([]byte, 32)) - } -} - -// Benchmarks the dataset (small) generation performance. -func BenchmarkSmallDatasetGeneration(b *testing.B) { - cache := make([]uint32, 65536/4) - generateCache(cache, 0, make([]byte, 32)) - - b.ResetTimer() - for i := 0; i < b.N; i++ { - dataset := make([]uint32, 32*65536/4) - generateDataset(dataset, 0, cache) - } -} - -// Benchmarks the light verification performance. -func BenchmarkHashimotoLight(b *testing.B) { - cache := make([]uint32, cacheSize(1)/4) - generateCache(cache, 0, make([]byte, 32)) - - hash := hexutil.MustDecode("0xc9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f") - - b.ResetTimer() - for i := 0; i < b.N; i++ { - hashimotoLight(datasetSize(1), cache, hash, 0) - } -} - -// Benchmarks the full (small) verification performance. -func BenchmarkHashimotoFullSmall(b *testing.B) { - cache := make([]uint32, 65536/4) - generateCache(cache, 0, make([]byte, 32)) - - dataset := make([]uint32, 32*65536/4) - generateDataset(dataset, 0, cache) - - hash := hexutil.MustDecode("0xc9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f") - - b.ResetTimer() - for i := 0; i < b.N; i++ { - hashimotoFull(dataset, hash, 0) - } -} - -func benchmarkHashimotoFullMmap(b *testing.B, name string, lock bool) { - b.Run(name, func(b *testing.B) { - tmpdir := b.TempDir() - - d := &dataset{epoch: 0} - d.generate(tmpdir, 1, lock, false) - var hash [common.HashLength]byte - b.ResetTimer() - for i := 0; i < b.N; i++ { - binary.PutVarint(hash[:], int64(i)) - hashimotoFull(d.dataset, hash[:], 0) - } - }) -} - -// Benchmarks the full verification performance for mmap -func BenchmarkHashimotoFullMmap(b *testing.B) { - benchmarkHashimotoFullMmap(b, "WithLock", true) - benchmarkHashimotoFullMmap(b, "WithoutLock", false) -} diff --git a/consensus/ethash/api.go b/consensus/ethash/api.go deleted file mode 100644 index da3b0751b..000000000 --- a/consensus/ethash/api.go +++ /dev/null @@ -1,113 +0,0 @@ -// Copyright 2018 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 ethash - -import ( - "errors" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/hexutil" - "github.com/ethereum/go-ethereum/core/types" -) - -var errEthashStopped = errors.New("ethash stopped") - -// API exposes ethash related methods for the RPC interface. -type API struct { - ethash *Ethash -} - -// GetWork returns a work package for external miner. -// -// The work package consists of 3 strings: -// -// result[0] - 32 bytes hex encoded current block header pow-hash -// result[1] - 32 bytes hex encoded seed hash used for DAG -// result[2] - 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty -// result[3] - hex encoded block number -func (api *API) GetWork() ([4]string, error) { - if api.ethash.remote == nil { - return [4]string{}, errors.New("not supported") - } - - var ( - workCh = make(chan [4]string, 1) - errc = make(chan error, 1) - ) - select { - case api.ethash.remote.fetchWorkCh <- &sealWork{errc: errc, res: workCh}: - case <-api.ethash.remote.exitCh: - return [4]string{}, errEthashStopped - } - select { - case work := <-workCh: - return work, nil - case err := <-errc: - return [4]string{}, err - } -} - -// SubmitWork can be used by external miner to submit their POW solution. -// It returns an indication if the work was accepted. -// Note either an invalid solution, a stale work a non-existent work will return false. -func (api *API) SubmitWork(nonce types.BlockNonce, hash, digest common.Hash) bool { - if api.ethash.remote == nil { - return false - } - - var errc = make(chan error, 1) - select { - case api.ethash.remote.submitWorkCh <- &mineResult{ - nonce: nonce, - mixDigest: digest, - hash: hash, - errc: errc, - }: - case <-api.ethash.remote.exitCh: - return false - } - err := <-errc - return err == nil -} - -// SubmitHashrate can be used for remote miners to submit their hash rate. -// This enables the node to report the combined hash rate of all miners -// which submit work through this node. -// -// It accepts the miner hash rate and an identifier which must be unique -// between nodes. -func (api *API) SubmitHashrate(rate hexutil.Uint64, id common.Hash) bool { - if api.ethash.remote == nil { - return false - } - - var done = make(chan struct{}, 1) - select { - case api.ethash.remote.submitRateCh <- &hashrate{done: done, rate: uint64(rate), id: id}: - case <-api.ethash.remote.exitCh: - return false - } - - // Block until hash rate submitted successfully. - <-done - return true -} - -// GetHashrate returns the current hashrate for local CPU miner and remote miner. -func (api *API) GetHashrate() uint64 { - return uint64(api.ethash.Hashrate()) -} diff --git a/consensus/ethash/consensus.go b/consensus/ethash/consensus.go index e3e0f28b3..b912fb513 100644 --- a/consensus/ethash/consensus.go +++ b/consensus/ethash/consensus.go @@ -17,11 +17,9 @@ package ethash import ( - "bytes" "errors" "fmt" "math/big" - "runtime" "time" mapset "github.com/deckarep/golang-set/v2" @@ -84,14 +82,11 @@ var ( // codebase, inherently breaking if the engine is swapped out. Please put common // error types into the consensus package. var ( - errOlderBlockTime = errors.New("timestamp older than parent") - errTooManyUncles = errors.New("too many uncles") - errDuplicateUncle = errors.New("duplicate uncle") - errUncleIsAncestor = errors.New("uncle is ancestor") - errDanglingUncle = errors.New("uncle's parent is not ancestor") - errInvalidDifficulty = errors.New("non-positive difficulty") - errInvalidMixDigest = errors.New("invalid mix digest") - errInvalidPoW = errors.New("invalid proof-of-work") + errOlderBlockTime = errors.New("timestamp older than parent") + errTooManyUncles = errors.New("too many uncles") + errDuplicateUncle = errors.New("duplicate uncle") + errUncleIsAncestor = errors.New("uncle is ancestor") + errDanglingUncle = errors.New("uncle's parent is not ancestor") ) // Author implements consensus.Engine, returning the header's coinbase as the @@ -102,11 +97,7 @@ func (ethash *Ethash) Author(header *types.Header) (common.Address, error) { // VerifyHeader checks whether a header conforms to the consensus rules of the // stock Ethereum ethash engine. -func (ethash *Ethash) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error { - // If we're running a full engine faking, accept any input as valid - if ethash.config.PowMode == ModeFullFake { - return nil - } +func (ethash *Ethash) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header) error { // Short circuit if the header is known, or its parent not number := header.Number.Uint64() if chain.GetHeader(header.Hash(), number) != nil { @@ -117,93 +108,54 @@ func (ethash *Ethash) VerifyHeader(chain consensus.ChainHeaderReader, header *ty return consensus.ErrUnknownAncestor } // Sanity checks passed, do a proper verification - return ethash.verifyHeader(chain, header, parent, false, seal, time.Now().Unix()) + return ethash.verifyHeader(chain, header, parent, false, time.Now().Unix()) } // VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers // concurrently. The method returns a quit channel to abort the operations and // a results channel to retrieve the async verifications. -func (ethash *Ethash) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) { +func (ethash *Ethash) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header) (chan<- struct{}, <-chan error) { // If we're running a full engine faking, accept any input as valid - if ethash.config.PowMode == ModeFullFake || len(headers) == 0 { + if ethash.fakeFull || len(headers) == 0 { abort, results := make(chan struct{}), make(chan error, len(headers)) for i := 0; i < len(headers); i++ { results <- nil } return abort, results } + abort := make(chan struct{}) + results := make(chan error, len(headers)) + unixNow := time.Now().Unix() - // Spawn as many workers as allowed threads - workers := runtime.GOMAXPROCS(0) - if len(headers) < workers { - workers = len(headers) - } - - // Create a task channel and spawn the verifiers - var ( - inputs = make(chan int) - done = make(chan int, workers) - errors = make([]error, len(headers)) - abort = make(chan struct{}) - unixNow = time.Now().Unix() - ) - for i := 0; i < workers; i++ { - go func() { - for index := range inputs { - errors[index] = ethash.verifyHeaderWorker(chain, headers, seals, index, unixNow) - done <- index - } - }() - } - - errorsOut := make(chan error, len(headers)) go func() { - defer close(inputs) - var ( - in, out = 0, 0 - checked = make([]bool, len(headers)) - inputs = inputs - ) - for { + for i, header := range headers { + var parent *types.Header + if i == 0 { + parent = chain.GetHeader(headers[0].ParentHash, headers[0].Number.Uint64()-1) + } else if headers[i-1].Hash() == headers[i].ParentHash { + parent = headers[i-1] + } + var err error + if parent == nil { + err = consensus.ErrUnknownAncestor + } else { + err = ethash.verifyHeader(chain, header, parent, false, unixNow) + } select { - case inputs <- in: - if in++; in == len(headers) { - // Reached end of headers. Stop sending to workers. - inputs = nil - } - case index := <-done: - for checked[index] = true; checked[out]; out++ { - errorsOut <- errors[out] - if out == len(headers)-1 { - return - } - } case <-abort: return + case results <- err: } } }() - return abort, errorsOut -} - -func (ethash *Ethash) verifyHeaderWorker(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool, index int, unixNow int64) error { - var parent *types.Header - if index == 0 { - parent = chain.GetHeader(headers[0].ParentHash, headers[0].Number.Uint64()-1) - } else if headers[index-1].Hash() == headers[index].ParentHash { - parent = headers[index-1] - } - if parent == nil { - return consensus.ErrUnknownAncestor - } - return ethash.verifyHeader(chain, headers[index], parent, false, seals[index], unixNow) + return abort, results } // VerifyUncles verifies that the given block's uncles conform to the consensus // rules of the stock Ethereum ethash engine. func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Block) error { // If we're running a full engine faking, accept any input as valid - if ethash.config.PowMode == ModeFullFake { + if ethash.fakeFull { return nil } // Verify that there are at most 2 uncles included in this block @@ -255,7 +207,7 @@ func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Blo if ancestors[uncle.ParentHash] == nil || uncle.ParentHash == block.ParentHash() { return errDanglingUncle } - if err := ethash.verifyHeader(chain, uncle, ancestors[uncle.ParentHash], true, true, time.Now().Unix()); err != nil { + if err := ethash.verifyHeader(chain, uncle, ancestors[uncle.ParentHash], true, time.Now().Unix()); err != nil { return err } } @@ -265,7 +217,7 @@ func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Blo // verifyHeader checks whether a header conforms to the consensus rules of the // stock Ethereum ethash engine. // See YP section 4.3.4. "Block Header Validity" -func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header, uncle bool, seal bool, unixNow int64) error { +func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header, uncle bool, unixNow int64) error { // Ensure that the header's extra-data section is of a reasonable size if uint64(len(header.Extra)) > params.MaximumExtraDataSize { return fmt.Errorf("extra-data too long: %d > %d", len(header.Extra), params.MaximumExtraDataSize) @@ -316,11 +268,12 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, pa if chain.Config().IsCancun(header.Time) { return fmt.Errorf("ethash does not support cancun fork") } - // Verify the engine specific seal securing the block - if seal { - if err := ethash.verifySeal(chain, header, false); err != nil { - return err - } + // Add some fake checks for tests + if ethash.fakeDelay != nil { + time.Sleep(*ethash.fakeDelay) + } + if ethash.fakeFail != nil && *ethash.fakeFail == header.Number.Uint64() { + return errors.New("invalid tester pow") } // If all checks passed, validate any special fields for hard forks if err := misc.VerifyDAOHeaderExtraData(chain.Config(), header); err != nil { @@ -521,72 +474,6 @@ var FrontierDifficultyCalculator = calcDifficultyFrontier var HomesteadDifficultyCalculator = calcDifficultyHomestead var DynamicDifficultyCalculator = makeDifficultyCalculator -// verifySeal checks whether a block satisfies the PoW difficulty requirements, -// either using the usual ethash cache for it, or alternatively using a full DAG -// to make remote mining fast. -func (ethash *Ethash) verifySeal(chain consensus.ChainHeaderReader, header *types.Header, fulldag bool) error { - // If we're running a fake PoW, accept any seal as valid - if ethash.config.PowMode == ModeFake || ethash.config.PowMode == ModeFullFake { - time.Sleep(ethash.fakeDelay) - if ethash.fakeFail == header.Number.Uint64() { - return errInvalidPoW - } - return nil - } - // If we're running a shared PoW, delegate verification to it - if ethash.shared != nil { - return ethash.shared.verifySeal(chain, header, fulldag) - } - // Ensure that we have a valid difficulty for the block - if header.Difficulty.Sign() <= 0 { - return errInvalidDifficulty - } - // Recompute the digest and PoW values - number := header.Number.Uint64() - - var ( - digest []byte - result []byte - ) - // If fast-but-heavy PoW verification was requested, use an ethash dataset - if fulldag { - dataset := ethash.dataset(number, true) - if dataset.generated() { - digest, result = hashimotoFull(dataset.dataset, ethash.SealHash(header).Bytes(), header.Nonce.Uint64()) - - // Datasets are unmapped in a finalizer. Ensure that the dataset stays alive - // until after the call to hashimotoFull so it's not unmapped while being used. - runtime.KeepAlive(dataset) - } else { - // Dataset not yet generated, don't hang, use a cache instead - fulldag = false - } - } - // If slow-but-light PoW verification was requested (or DAG not yet ready), use an ethash cache - if !fulldag { - cache := ethash.cache(number) - - size := datasetSize(number) - if ethash.config.PowMode == ModeTest { - size = 32 * 1024 - } - digest, result = hashimotoLight(size, cache.cache, ethash.SealHash(header).Bytes(), header.Nonce.Uint64()) - - // Caches are unmapped in a finalizer. Ensure that the cache stays alive - // until after the call to hashimotoLight so it's not unmapped while being used. - runtime.KeepAlive(cache) - } - // Verify the calculated values against the ones provided in the header - if !bytes.Equal(header.MixDigest[:], digest) { - return errInvalidMixDigest - } - target := new(big.Int).Div(two256, header.Difficulty) - if new(big.Int).SetBytes(result).Cmp(target) > 0 { - return errInvalidPoW - } - return nil -} - // Prepare implements consensus.Engine, initializing the difficulty field of a // header to conform to the ethash protocol. The changes are done inline. func (ethash *Ethash) Prepare(chain consensus.ChainHeaderReader, header *types.Header) error { diff --git a/consensus/ethash/ethash.go b/consensus/ethash/ethash.go index 462f10956..f37ec2605 100644 --- a/consensus/ethash/ethash.go +++ b/consensus/ethash/ethash.go @@ -18,503 +18,26 @@ package ethash import ( - "errors" - "fmt" - "math" - "math/big" - "math/rand" - "os" - "path/filepath" - "reflect" - "runtime" - "strconv" - "sync" - "sync/atomic" "time" - "unsafe" - "github.com/edsrzf/mmap-go" - lrupkg "github.com/ethereum/go-ethereum/common/lru" "github.com/ethereum/go-ethereum/consensus" - "github.com/ethereum/go-ethereum/log" - "github.com/ethereum/go-ethereum/metrics" + "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/rpc" ) -var ErrInvalidDumpMagic = errors.New("invalid dump magic") - -var ( - // two256 is a big integer representing 2^256 - two256 = new(big.Int).Exp(big.NewInt(2), big.NewInt(256), big.NewInt(0)) - - // sharedEthash is a full instance that can be shared between multiple users. - sharedEthash *Ethash - - // algorithmRevision is the data structure version used for file naming. - algorithmRevision = 23 - - // dumpMagic is a dataset dump header to sanity check a data dump. - dumpMagic = []uint32{0xbaddcafe, 0xfee1dead} -) - -func init() { - sharedConfig := Config{ - PowMode: ModeNormal, - CachesInMem: 3, - DatasetsInMem: 1, - } - sharedEthash = New(sharedConfig, nil, false) -} - -// isLittleEndian returns whether the local system is running in little or big -// endian byte order. -func isLittleEndian() bool { - n := uint32(0x01020304) - return *(*byte)(unsafe.Pointer(&n)) == 0x04 -} - -// memoryMap tries to memory map a file of uint32s for read only access. -func memoryMap(path string, lock bool) (*os.File, mmap.MMap, []uint32, error) { - file, err := os.OpenFile(path, os.O_RDONLY, 0644) - if err != nil { - return nil, nil, nil, err - } - mem, buffer, err := memoryMapFile(file, false) - if err != nil { - file.Close() - return nil, nil, nil, err - } - for i, magic := range dumpMagic { - if buffer[i] != magic { - mem.Unmap() - file.Close() - return nil, nil, nil, ErrInvalidDumpMagic - } - } - if lock { - if err := mem.Lock(); err != nil { - mem.Unmap() - file.Close() - return nil, nil, nil, err - } - } - return file, mem, buffer[len(dumpMagic):], err -} - -// memoryMapFile tries to memory map an already opened file descriptor. -func memoryMapFile(file *os.File, write bool) (mmap.MMap, []uint32, error) { - // Try to memory map the file - flag := mmap.RDONLY - if write { - flag = mmap.RDWR - } - mem, err := mmap.Map(file, flag, 0) - if err != nil { - return nil, nil, err - } - // The file is now memory-mapped. Create a []uint32 view of the file. - var view []uint32 - header := (*reflect.SliceHeader)(unsafe.Pointer(&view)) - header.Data = (*reflect.SliceHeader)(unsafe.Pointer(&mem)).Data - header.Cap = len(mem) / 4 - header.Len = header.Cap - return mem, view, nil -} - -// memoryMapAndGenerate tries to memory map a temporary file of uint32s for write -// access, fill it with the data from a generator and then move it into the final -// path requested. -func memoryMapAndGenerate(path string, size uint64, lock bool, generator func(buffer []uint32)) (*os.File, mmap.MMap, []uint32, error) { - // Ensure the data folder exists - if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil { - return nil, nil, nil, err - } - // Create a huge temporary empty file to fill with data - temp := path + "." + strconv.Itoa(rand.Int()) - - dump, err := os.Create(temp) - if err != nil { - return nil, nil, nil, err - } - if err = ensureSize(dump, int64(len(dumpMagic))*4+int64(size)); err != nil { - dump.Close() - os.Remove(temp) - return nil, nil, nil, err - } - // Memory map the file for writing and fill it with the generator - mem, buffer, err := memoryMapFile(dump, true) - if err != nil { - dump.Close() - os.Remove(temp) - return nil, nil, nil, err - } - copy(buffer, dumpMagic) - - data := buffer[len(dumpMagic):] - generator(data) - - if err := mem.Unmap(); err != nil { - return nil, nil, nil, err - } - if err := dump.Close(); err != nil { - return nil, nil, nil, err - } - if err := os.Rename(temp, path); err != nil { - return nil, nil, nil, err - } - return memoryMap(path, lock) -} - -type cacheOrDataset interface { - *cache | *dataset -} - -// lru tracks caches or datasets by their last use time, keeping at most N of them. -type lru[T cacheOrDataset] struct { - what string - new func(epoch uint64) T - mu sync.Mutex - // Items are kept in a LRU cache, but there is a special case: - // We always keep an item for (highest seen epoch) + 1 as the 'future item'. - cache lrupkg.BasicLRU[uint64, T] - future uint64 - futureItem T -} - -// newlru create a new least-recently-used cache for either the verification caches -// or the mining datasets. -func newlru[T cacheOrDataset](maxItems int, new func(epoch uint64) T) *lru[T] { - var what string - switch any(T(nil)).(type) { - case *cache: - what = "cache" - case *dataset: - what = "dataset" - default: - panic("unknown type") - } - return &lru[T]{ - what: what, - new: new, - cache: lrupkg.NewBasicLRU[uint64, T](maxItems), - } -} - -// get retrieves or creates an item for the given epoch. The first return value is always -// non-nil. The second return value is non-nil if lru thinks that an item will be useful in -// the near future. -func (lru *lru[T]) get(epoch uint64) (item, future T) { - lru.mu.Lock() - defer lru.mu.Unlock() - - // Get or create the item for the requested epoch. - item, ok := lru.cache.Get(epoch) - if !ok { - if lru.future > 0 && lru.future == epoch { - item = lru.futureItem - } else { - log.Trace("Requiring new ethash "+lru.what, "epoch", epoch) - item = lru.new(epoch) - } - lru.cache.Add(epoch, item) - } - // Update the 'future item' if epoch is larger than previously seen. - if epoch < maxEpoch-1 && lru.future < epoch+1 { - log.Trace("Requiring new future ethash "+lru.what, "epoch", epoch+1) - future = lru.new(epoch + 1) - lru.future = epoch + 1 - lru.futureItem = future - } - return item, future -} - -// cache wraps an ethash cache with some metadata to allow easier concurrent use. -type cache struct { - epoch uint64 // Epoch for which this cache is relevant - dump *os.File // File descriptor of the memory mapped cache - mmap mmap.MMap // Memory map itself to unmap before releasing - cache []uint32 // The actual cache data content (may be memory mapped) - once sync.Once // Ensures the cache is generated only once -} - -// newCache creates a new ethash verification cache. -func newCache(epoch uint64) *cache { - return &cache{epoch: epoch} -} - -// generate ensures that the cache content is generated before use. -func (c *cache) generate(dir string, limit int, lock bool, test bool) { - c.once.Do(func() { - size := cacheSize(c.epoch*epochLength + 1) - seed := seedHash(c.epoch*epochLength + 1) - if test { - size = 1024 - } - // If we don't store anything on disk, generate and return. - if dir == "" { - c.cache = make([]uint32, size/4) - generateCache(c.cache, c.epoch, seed) - return - } - // Disk storage is needed, this will get fancy - var endian string - if !isLittleEndian() { - endian = ".be" - } - path := filepath.Join(dir, fmt.Sprintf("cache-R%d-%x%s", algorithmRevision, seed[:8], endian)) - logger := log.New("epoch", c.epoch) - - // We're about to mmap the file, ensure that the mapping is cleaned up when the - // cache becomes unused. - runtime.SetFinalizer(c, (*cache).finalizer) - - // Try to load the file from disk and memory map it - var err error - c.dump, c.mmap, c.cache, err = memoryMap(path, lock) - if err == nil { - logger.Debug("Loaded old ethash cache from disk") - return - } - logger.Debug("Failed to load old ethash cache", "err", err) - - // No previous cache available, create a new cache file to fill - c.dump, c.mmap, c.cache, err = memoryMapAndGenerate(path, size, lock, func(buffer []uint32) { generateCache(buffer, c.epoch, seed) }) - if err != nil { - logger.Error("Failed to generate mapped ethash cache", "err", err) - - c.cache = make([]uint32, size/4) - generateCache(c.cache, c.epoch, seed) - } - // Iterate over all previous instances and delete old ones - for ep := int(c.epoch) - limit; ep >= 0; ep-- { - seed := seedHash(uint64(ep)*epochLength + 1) - path := filepath.Join(dir, fmt.Sprintf("cache-R%d-%x%s*", algorithmRevision, seed[:8], endian)) - files, _ := filepath.Glob(path) // find also the temp files that are generated. - for _, file := range files { - os.Remove(file) - } - } - }) -} - -// finalizer unmaps the memory and closes the file. -func (c *cache) finalizer() { - if c.mmap != nil { - c.mmap.Unmap() - c.dump.Close() - c.mmap, c.dump = nil, nil - } -} - -// dataset wraps an ethash dataset with some metadata to allow easier concurrent use. -type dataset struct { - epoch uint64 // Epoch for which this cache is relevant - dump *os.File // File descriptor of the memory mapped cache - mmap mmap.MMap // Memory map itself to unmap before releasing - dataset []uint32 // The actual cache data content - once sync.Once // Ensures the cache is generated only once - done atomic.Bool // Atomic flag to determine generation status -} - -// newDataset creates a new ethash mining dataset and returns it as a plain Go -// interface to be usable in an LRU cache. -func newDataset(epoch uint64) *dataset { - return &dataset{epoch: epoch} -} - -// generate ensures that the dataset content is generated before use. -func (d *dataset) generate(dir string, limit int, lock bool, test bool) { - d.once.Do(func() { - // Mark the dataset generated after we're done. This is needed for remote - defer d.done.Store(true) - - csize := cacheSize(d.epoch*epochLength + 1) - dsize := datasetSize(d.epoch*epochLength + 1) - seed := seedHash(d.epoch*epochLength + 1) - if test { - csize = 1024 - dsize = 32 * 1024 - } - // If we don't store anything on disk, generate and return - if dir == "" { - cache := make([]uint32, csize/4) - generateCache(cache, d.epoch, seed) - - d.dataset = make([]uint32, dsize/4) - generateDataset(d.dataset, d.epoch, cache) - - return - } - // Disk storage is needed, this will get fancy - var endian string - if !isLittleEndian() { - endian = ".be" - } - path := filepath.Join(dir, fmt.Sprintf("full-R%d-%x%s", algorithmRevision, seed[:8], endian)) - logger := log.New("epoch", d.epoch) - - // We're about to mmap the file, ensure that the mapping is cleaned up when the - // cache becomes unused. - runtime.SetFinalizer(d, (*dataset).finalizer) - - // Try to load the file from disk and memory map it - var err error - d.dump, d.mmap, d.dataset, err = memoryMap(path, lock) - if err == nil { - logger.Debug("Loaded old ethash dataset from disk") - return - } - logger.Debug("Failed to load old ethash dataset", "err", err) - - // No previous dataset available, create a new dataset file to fill - cache := make([]uint32, csize/4) - generateCache(cache, d.epoch, seed) - - d.dump, d.mmap, d.dataset, err = memoryMapAndGenerate(path, dsize, lock, func(buffer []uint32) { generateDataset(buffer, d.epoch, cache) }) - if err != nil { - logger.Error("Failed to generate mapped ethash dataset", "err", err) - - d.dataset = make([]uint32, dsize/4) - generateDataset(d.dataset, d.epoch, cache) - } - // Iterate over all previous instances and delete old ones - for ep := int(d.epoch) - limit; ep >= 0; ep-- { - seed := seedHash(uint64(ep)*epochLength + 1) - path := filepath.Join(dir, fmt.Sprintf("full-R%d-%x%s", algorithmRevision, seed[:8], endian)) - os.Remove(path) - } - }) -} - -// generated returns whether this particular dataset finished generating already -// or not (it may not have been started at all). This is useful for remote miners -// to default to verification caches instead of blocking on DAG generations. -func (d *dataset) generated() bool { - return d.done.Load() -} - -// finalizer closes any file handlers and memory maps open. -func (d *dataset) finalizer() { - if d.mmap != nil { - d.mmap.Unmap() - d.dump.Close() - d.mmap, d.dump = nil, nil - } -} - -// MakeCache generates a new ethash cache and optionally stores it to disk. -func MakeCache(block uint64, dir string) { - c := cache{epoch: block / epochLength} - c.generate(dir, math.MaxInt32, false, false) -} - -// MakeDataset generates a new ethash dataset and optionally stores it to disk. -func MakeDataset(block uint64, dir string) { - d := dataset{epoch: block / epochLength} - d.generate(dir, math.MaxInt32, false, false) -} - -// Mode defines the type and amount of PoW verification an ethash engine makes. -type Mode uint - -const ( - ModeNormal Mode = iota - ModeShared - ModeTest - ModeFake - ModeFullFake -) - -// Config are the configuration parameters of the ethash. -type Config struct { - CacheDir string - CachesInMem int - CachesOnDisk int - CachesLockMmap bool - DatasetDir string - DatasetsInMem int - DatasetsOnDisk int - DatasetsLockMmap bool - PowMode Mode - - // When set, notifications sent by the remote sealer will - // be block header JSON objects instead of work package arrays. - NotifyFull bool - - Log log.Logger `toml:"-"` -} - // Ethash is a consensus engine based on proof-of-work implementing the ethash // algorithm. type Ethash struct { - config Config - - caches *lru[*cache] // In memory caches to avoid regenerating too often - datasets *lru[*dataset] // In memory datasets to avoid regenerating too often - - // Mining related fields - rand *rand.Rand // Properly seeded random source for nonces - threads int // Number of threads to mine on if mining - update chan struct{} // Notification channel to update mining parameters - hashrate metrics.Meter // Meter tracking the average hashrate - remote *remoteSealer - - // The fields below are hooks for testing - shared *Ethash // Shared PoW verifier to avoid cache regeneration - fakeFail uint64 // Block number which fails PoW check even in fake mode - fakeDelay time.Duration // Time delay to sleep for before returning from verify - - lock sync.Mutex // Ensures thread safety for the in-memory caches and mining fields - closeOnce sync.Once // Ensures exit channel will not be closed twice. + fakeFail *uint64 // Block number which fails PoW check even in fake mode + fakeDelay *time.Duration // Time delay to sleep for before returning from verify + fakeFull bool // Accepts everything as valid } -// New creates a full sized ethash PoW scheme and starts a background thread for -// remote mining, also optionally notifying a batch of remote services of new work -// packages. -func New(config Config, notify []string, noverify bool) *Ethash { - if config.Log == nil { - config.Log = log.Root() - } - if config.CachesInMem <= 0 { - config.Log.Warn("One ethash cache must always be in memory", "requested", config.CachesInMem) - config.CachesInMem = 1 - } - if config.CacheDir != "" && config.CachesOnDisk > 0 { - config.Log.Info("Disk storage enabled for ethash caches", "dir", config.CacheDir, "count", config.CachesOnDisk) - } - if config.DatasetDir != "" && config.DatasetsOnDisk > 0 { - config.Log.Info("Disk storage enabled for ethash DAGs", "dir", config.DatasetDir, "count", config.DatasetsOnDisk) - } - ethash := &Ethash{ - config: config, - caches: newlru(config.CachesInMem, newCache), - datasets: newlru(config.DatasetsInMem, newDataset), - update: make(chan struct{}), - hashrate: metrics.NewMeterForced(), - } - if config.PowMode == ModeShared { - ethash.shared = sharedEthash - } - ethash.remote = startRemoteSealer(ethash, notify, noverify) - return ethash -} - -// NewTester creates a small sized ethash PoW scheme useful only for testing -// purposes. -func NewTester(notify []string, noverify bool) *Ethash { - return New(Config{PowMode: ModeTest}, notify, noverify) -} - -// NewFaker creates a ethash consensus engine with a fake PoW scheme that accepts +// NewFaker creates an ethash consensus engine with a fake PoW scheme that accepts // all blocks' seal as valid, though they still have to conform to the Ethereum // consensus rules. func NewFaker() *Ethash { - return &Ethash{ - config: Config{ - PowMode: ModeFake, - Log: log.Root(), - }, - } + return new(Ethash) } // NewFakeFailer creates a ethash consensus engine with a fake PoW scheme that @@ -522,11 +45,7 @@ func NewFaker() *Ethash { // still have to conform to the Ethereum consensus rules. func NewFakeFailer(fail uint64) *Ethash { return &Ethash{ - config: Config{ - PowMode: ModeFake, - Log: log.Root(), - }, - fakeFail: fail, + fakeFail: &fail, } } @@ -535,11 +54,7 @@ func NewFakeFailer(fail uint64) *Ethash { // they still have to conform to the Ethereum consensus rules. func NewFakeDelayer(delay time.Duration) *Ethash { return &Ethash{ - config: Config{ - PowMode: ModeFake, - Log: log.Root(), - }, - fakeDelay: delay, + fakeDelay: &delay, } } @@ -547,154 +62,24 @@ func NewFakeDelayer(delay time.Duration) *Ethash { // accepts all blocks as valid, without checking any consensus rules whatsoever. func NewFullFaker() *Ethash { return &Ethash{ - config: Config{ - PowMode: ModeFullFake, - Log: log.Root(), - }, + fakeFull: true, } } -// NewShared creates a full sized ethash PoW shared between all requesters running -// in the same process. -func NewShared() *Ethash { - return &Ethash{shared: sharedEthash} -} - // Close closes the exit channel to notify all backend threads exiting. func (ethash *Ethash) Close() error { - return ethash.StopRemoteSealer() -} - -// StopRemoteSealer stops the remote sealer -func (ethash *Ethash) StopRemoteSealer() error { - ethash.closeOnce.Do(func() { - // Short circuit if the exit channel is not allocated. - if ethash.remote == nil { - return - } - close(ethash.remote.requestExit) - <-ethash.remote.exitCh - }) return nil } -// cache tries to retrieve a verification cache for the specified block number -// by first checking against a list of in-memory caches, then against caches -// stored on disk, and finally generating one if none can be found. -func (ethash *Ethash) cache(block uint64) *cache { - epoch := block / epochLength - current, future := ethash.caches.get(epoch) - - // Wait for generation finish. - current.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.CachesLockMmap, ethash.config.PowMode == ModeTest) - - // If we need a new future cache, now's a good time to regenerate it. - if future != nil { - go future.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.CachesLockMmap, ethash.config.PowMode == ModeTest) - } - return current -} - -// dataset tries to retrieve a mining dataset for the specified block number -// by first checking against a list of in-memory datasets, then against DAGs -// stored on disk, and finally generating one if none can be found. -// -// If async is specified, not only the future but the current DAG is also -// generates on a background thread. -func (ethash *Ethash) dataset(block uint64, async bool) *dataset { - // Retrieve the requested ethash dataset - epoch := block / epochLength - current, future := ethash.datasets.get(epoch) - - // If async is specified, generate everything in a background thread - if async && !current.generated() { - go func() { - current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest) - if future != nil { - future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest) - } - }() - } else { - // Either blocking generation was requested, or already done - current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest) - if future != nil { - go future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest) - } - } - return current -} - -// Threads returns the number of mining threads currently enabled. This doesn't -// necessarily mean that mining is running! -func (ethash *Ethash) Threads() int { - ethash.lock.Lock() - defer ethash.lock.Unlock() - - return ethash.threads -} - -// SetThreads updates the number of mining threads currently enabled. Calling -// this method does not start mining, only sets the thread count. If zero is -// specified, the miner will use all cores of the machine. Setting a thread -// count below zero is allowed and will cause the miner to idle, without any -// work being done. -func (ethash *Ethash) SetThreads(threads int) { - ethash.lock.Lock() - defer ethash.lock.Unlock() - - // If we're running a shared PoW, set the thread count on that instead - if ethash.shared != nil { - ethash.shared.SetThreads(threads) - return - } - // Update the threads and ping any running seal to pull in any changes - ethash.threads = threads - select { - case ethash.update <- struct{}{}: - default: - } -} - -// Hashrate implements PoW, returning the measured rate of the search invocations -// per second over the last minute. -// Note the returned hashrate includes local hashrate, but also includes the total -// hashrate of all remote miner. -func (ethash *Ethash) Hashrate() float64 { - // Short circuit if we are run the ethash in normal/test mode. - if ethash.config.PowMode != ModeNormal && ethash.config.PowMode != ModeTest { - return ethash.hashrate.Rate1() - } - var res = make(chan uint64, 1) - - select { - case ethash.remote.fetchRateCh <- res: - case <-ethash.remote.exitCh: - // Return local hashrate only if ethash is stopped. - return ethash.hashrate.Rate1() - } - - // Gather total submitted hash rate of remote sealers. - return ethash.hashrate.Rate1() + float64(<-res) -} - -// APIs implements consensus.Engine, returning the user facing RPC APIs. +// APIs implements consensus.Engine, returning no APIs as ethash is an empty +// shell in the post-merge world. func (ethash *Ethash) APIs(chain consensus.ChainHeaderReader) []rpc.API { - // In order to ensure backward compatibility, we exposes ethash RPC APIs - // to both eth and ethash namespaces. - return []rpc.API{ - { - Namespace: "eth", - Service: &API{ethash}, - }, - { - Namespace: "ethash", - Service: &API{ethash}, - }, - } + return []rpc.API{} } -// SeedHash is the seed to use for generating a verification cache and the mining -// dataset. -func SeedHash(block uint64) []byte { - return seedHash(block) +// Seal generates a new sealing request for the given input block and pushes +// the result into the given channel. For the ethash engine, this method will +// just panic as sealing is not supported anymore. +func (ethash *Ethash) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error { + panic("ethash (pow) sealing not supported any more") } diff --git a/consensus/ethash/ethash_test.go b/consensus/ethash/ethash_test.go deleted file mode 100644 index eb6bad962..000000000 --- a/consensus/ethash/ethash_test.go +++ /dev/null @@ -1,177 +0,0 @@ -// Copyright 2017 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 ethash - -import ( - "math/big" - "math/rand" - "os" - "sync" - "testing" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/hexutil" - "github.com/ethereum/go-ethereum/core/types" -) - -// Tests that ethash works correctly in test mode. -func TestTestMode(t *testing.T) { - header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)} - - ethash := NewTester(nil, false) - defer ethash.Close() - - results := make(chan *types.Block) - err := ethash.Seal(nil, types.NewBlockWithHeader(header), results, nil) - if err != nil { - t.Fatalf("failed to seal block: %v", err) - } - select { - case block := <-results: - header.Nonce = types.EncodeNonce(block.Nonce()) - header.MixDigest = block.MixDigest() - if err := ethash.verifySeal(nil, header, false); err != nil { - t.Fatalf("unexpected verification error: %v", err) - } - case <-time.NewTimer(4 * time.Second).C: - t.Error("sealing result timeout") - } -} - -// This test checks that cache lru logic doesn't crash under load. -// It reproduces https://github.com/ethereum/go-ethereum/issues/14943 -func TestCacheFileEvict(t *testing.T) { - // TODO: t.TempDir fails to remove the directory on Windows - // \AppData\Local\Temp\1\TestCacheFileEvict2179435125\001\cache-R23-0000000000000000: Access is denied. - tmpdir, err := os.MkdirTemp("", "ethash-test") - if err != nil { - t.Fatal(err) - } - defer os.RemoveAll(tmpdir) - - config := Config{ - CachesInMem: 3, - CachesOnDisk: 10, - CacheDir: tmpdir, - PowMode: ModeTest, - } - e := New(config, nil, false) - defer e.Close() - - workers := 8 - epochs := 100 - var wg sync.WaitGroup - wg.Add(workers) - for i := 0; i < workers; i++ { - go verifyTest(&wg, e, i, epochs) - } - wg.Wait() -} - -func verifyTest(wg *sync.WaitGroup, e *Ethash, workerIndex, epochs int) { - defer wg.Done() - - const wiggle = 4 * epochLength - r := rand.New(rand.NewSource(int64(workerIndex))) - for epoch := 0; epoch < epochs; epoch++ { - block := int64(epoch)*epochLength - wiggle/2 + r.Int63n(wiggle) - if block < 0 { - block = 0 - } - header := &types.Header{Number: big.NewInt(block), Difficulty: big.NewInt(100)} - e.verifySeal(nil, header, false) - } -} - -func TestRemoteSealer(t *testing.T) { - ethash := NewTester(nil, false) - defer ethash.Close() - - api := &API{ethash} - if _, err := api.GetWork(); err != errNoMiningWork { - t.Error("expect to return an error indicate there is no mining work") - } - header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)} - block := types.NewBlockWithHeader(header) - sealhash := ethash.SealHash(header) - - // Push new work. - results := make(chan *types.Block) - ethash.Seal(nil, block, results, nil) - - var ( - work [4]string - err error - ) - if work, err = api.GetWork(); err != nil || work[0] != sealhash.Hex() { - t.Error("expect to return a mining work has same hash") - } - - if res := api.SubmitWork(types.BlockNonce{}, sealhash, common.Hash{}); res { - t.Error("expect to return false when submit a fake solution") - } - // Push new block with same block number to replace the original one. - header = &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(1000)} - block = types.NewBlockWithHeader(header) - sealhash = ethash.SealHash(header) - ethash.Seal(nil, block, results, nil) - - if work, err = api.GetWork(); err != nil || work[0] != sealhash.Hex() { - t.Error("expect to return the latest pushed work") - } -} - -func TestHashrate(t *testing.T) { - var ( - hashrate = []hexutil.Uint64{100, 200, 300} - expect uint64 - ids = []common.Hash{common.HexToHash("a"), common.HexToHash("b"), common.HexToHash("c")} - ) - ethash := NewTester(nil, false) - defer ethash.Close() - - if tot := ethash.Hashrate(); tot != 0 { - t.Error("expect the result should be zero") - } - - api := &API{ethash} - for i := 0; i < len(hashrate); i += 1 { - if res := api.SubmitHashrate(hashrate[i], ids[i]); !res { - t.Error("remote miner submit hashrate failed") - } - expect += uint64(hashrate[i]) - } - if tot := ethash.Hashrate(); tot != float64(expect) { - t.Error("expect total hashrate should be same") - } -} - -func TestClosedRemoteSealer(t *testing.T) { - ethash := NewTester(nil, false) - time.Sleep(1 * time.Second) // ensure exit channel is listening - ethash.Close() - - api := &API{ethash} - if _, err := api.GetWork(); err != errEthashStopped { - t.Error("expect to return an error to indicate ethash is stopped") - } - - if res := api.SubmitHashrate(hexutil.Uint64(100), common.HexToHash("a")); res { - t.Error("expect to return false when submit hashrate to a stopped ethash") - } -} diff --git a/consensus/ethash/mmap_help_linux.go b/consensus/ethash/mmap_help_linux.go deleted file mode 100644 index b40a1dd25..000000000 --- a/consensus/ethash/mmap_help_linux.go +++ /dev/null @@ -1,35 +0,0 @@ -// Copyright 2021 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 . - -//go:build linux -// +build linux - -package ethash - -import ( - "os" - - "golang.org/x/sys/unix" -) - -// ensureSize expands the file to the given size. This is to prevent runtime -// errors later on, if the underlying file expands beyond the disk capacity, -// even though it ostensibly is already expanded, but due to being sparse -// does not actually occupy the full declared size on disk. -func ensureSize(f *os.File, size int64) error { - // Docs: https://www.man7.org/linux/man-pages/man2/fallocate.2.html - return unix.Fallocate(int(f.Fd()), 0, 0, size) -} diff --git a/consensus/ethash/mmap_help_other.go b/consensus/ethash/mmap_help_other.go deleted file mode 100644 index 8ad514ce4..000000000 --- a/consensus/ethash/mmap_help_other.go +++ /dev/null @@ -1,36 +0,0 @@ -// Copyright 2021 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 . - -//go:build !linux -// +build !linux - -package ethash - -import ( - "os" -) - -// ensureSize expands the file to the given size. This is to prevent runtime -// errors later on, if the underlying file expands beyond the disk capacity, -// even though it ostensibly is already expanded, but due to being sparse -// does not actually occupy the full declared size on disk. -func ensureSize(f *os.File, size int64) error { - // On systems which do not support fallocate, we merely truncate it. - // More robust alternatives would be to - // - Use posix_fallocate, or - // - explicitly fill the file with zeroes. - return f.Truncate(size) -} diff --git a/consensus/ethash/sealer.go b/consensus/ethash/sealer.go deleted file mode 100644 index 340ad440f..000000000 --- a/consensus/ethash/sealer.go +++ /dev/null @@ -1,451 +0,0 @@ -// Copyright 2017 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 ethash - -import ( - "bytes" - "context" - crand "crypto/rand" - "encoding/json" - "errors" - "math" - "math/big" - "math/rand" - "net/http" - "runtime" - "sync" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/hexutil" - "github.com/ethereum/go-ethereum/consensus" - "github.com/ethereum/go-ethereum/core/types" -) - -const ( - // staleThreshold is the maximum depth of the acceptable stale but valid ethash solution. - staleThreshold = 7 -) - -var ( - errNoMiningWork = errors.New("no mining work available yet") - errInvalidSealResult = errors.New("invalid or stale proof-of-work solution") -) - -// Seal implements consensus.Engine, attempting to find a nonce that satisfies -// the block's difficulty requirements. -func (ethash *Ethash) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error { - // If we're running a fake PoW, simply return a 0 nonce immediately - if ethash.config.PowMode == ModeFake || ethash.config.PowMode == ModeFullFake { - header := block.Header() - header.Nonce, header.MixDigest = types.BlockNonce{}, common.Hash{} - select { - case results <- block.WithSeal(header): - default: - ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "fake", "sealhash", ethash.SealHash(block.Header())) - } - return nil - } - // If we're running a shared PoW, delegate sealing to it - if ethash.shared != nil { - return ethash.shared.Seal(chain, block, results, stop) - } - // Create a runner and the multiple search threads it directs - abort := make(chan struct{}) - - ethash.lock.Lock() - threads := ethash.threads - if ethash.rand == nil { - seed, err := crand.Int(crand.Reader, big.NewInt(math.MaxInt64)) - if err != nil { - ethash.lock.Unlock() - return err - } - ethash.rand = rand.New(rand.NewSource(seed.Int64())) - } - ethash.lock.Unlock() - if threads == 0 { - threads = runtime.NumCPU() - } - if threads < 0 { - threads = 0 // Allows disabling local mining without extra logic around local/remote - } - // Push new work to remote sealer - if ethash.remote != nil { - ethash.remote.workCh <- &sealTask{block: block, results: results} - } - var ( - pend sync.WaitGroup - locals = make(chan *types.Block) - ) - for i := 0; i < threads; i++ { - pend.Add(1) - go func(id int, nonce uint64) { - defer pend.Done() - ethash.mine(block, id, nonce, abort, locals) - }(i, uint64(ethash.rand.Int63())) - } - // Wait until sealing is terminated or a nonce is found - go func() { - var result *types.Block - select { - case <-stop: - // Outside abort, stop all miner threads - close(abort) - case result = <-locals: - // One of the threads found a block, abort all others - select { - case results <- result: - default: - ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "local", "sealhash", ethash.SealHash(block.Header())) - } - close(abort) - case <-ethash.update: - // Thread count was changed on user request, restart - close(abort) - if err := ethash.Seal(chain, block, results, stop); err != nil { - ethash.config.Log.Error("Failed to restart sealing after update", "err", err) - } - } - // Wait for all miners to terminate and return the block - pend.Wait() - }() - return nil -} - -// mine is the actual proof-of-work miner that searches for a nonce starting from -// seed that results in correct final block difficulty. -func (ethash *Ethash) mine(block *types.Block, id int, seed uint64, abort chan struct{}, found chan *types.Block) { - // Extract some data from the header - var ( - header = block.Header() - hash = ethash.SealHash(header).Bytes() - target = new(big.Int).Div(two256, header.Difficulty) - number = header.Number.Uint64() - dataset = ethash.dataset(number, false) - ) - // Start generating random nonces until we abort or find a good one - var ( - attempts = int64(0) - nonce = seed - powBuffer = new(big.Int) - ) - logger := ethash.config.Log.New("miner", id) - logger.Trace("Started ethash search for new nonces", "seed", seed) -search: - for { - select { - case <-abort: - // Mining terminated, update stats and abort - logger.Trace("Ethash nonce search aborted", "attempts", nonce-seed) - ethash.hashrate.Mark(attempts) - break search - - default: - // We don't have to update hash rate on every nonce, so update after after 2^X nonces - attempts++ - if (attempts % (1 << 15)) == 0 { - ethash.hashrate.Mark(attempts) - attempts = 0 - } - // Compute the PoW value of this nonce - digest, result := hashimotoFull(dataset.dataset, hash, nonce) - if powBuffer.SetBytes(result).Cmp(target) <= 0 { - // Correct nonce found, create a new header with it - header = types.CopyHeader(header) - header.Nonce = types.EncodeNonce(nonce) - header.MixDigest = common.BytesToHash(digest) - - // Seal and return a block (if still needed) - select { - case found <- block.WithSeal(header): - logger.Trace("Ethash nonce found and reported", "attempts", nonce-seed, "nonce", nonce) - case <-abort: - logger.Trace("Ethash nonce found but discarded", "attempts", nonce-seed, "nonce", nonce) - } - break search - } - nonce++ - } - } - // Datasets are unmapped in a finalizer. Ensure that the dataset stays live - // during sealing so it's not unmapped while being read. - runtime.KeepAlive(dataset) -} - -// This is the timeout for HTTP requests to notify external miners. -const remoteSealerTimeout = 1 * time.Second - -type remoteSealer struct { - works map[common.Hash]*types.Block - rates map[common.Hash]hashrate - currentBlock *types.Block - currentWork [4]string - notifyCtx context.Context - cancelNotify context.CancelFunc // cancels all notification requests - reqWG sync.WaitGroup // tracks notification request goroutines - - ethash *Ethash - noverify bool - notifyURLs []string - results chan<- *types.Block - workCh chan *sealTask // Notification channel to push new work and relative result channel to remote sealer - fetchWorkCh chan *sealWork // Channel used for remote sealer to fetch mining work - submitWorkCh chan *mineResult // Channel used for remote sealer to submit their mining result - fetchRateCh chan chan uint64 // Channel used to gather submitted hash rate for local or remote sealer. - submitRateCh chan *hashrate // Channel used for remote sealer to submit their mining hashrate - requestExit chan struct{} - exitCh chan struct{} -} - -// sealTask wraps a seal block with relative result channel for remote sealer thread. -type sealTask struct { - block *types.Block - results chan<- *types.Block -} - -// mineResult wraps the pow solution parameters for the specified block. -type mineResult struct { - nonce types.BlockNonce - mixDigest common.Hash - hash common.Hash - - errc chan error -} - -// hashrate wraps the hash rate submitted by the remote sealer. -type hashrate struct { - id common.Hash - ping time.Time - rate uint64 - - done chan struct{} -} - -// sealWork wraps a seal work package for remote sealer. -type sealWork struct { - errc chan error - res chan [4]string -} - -func startRemoteSealer(ethash *Ethash, urls []string, noverify bool) *remoteSealer { - ctx, cancel := context.WithCancel(context.Background()) - s := &remoteSealer{ - ethash: ethash, - noverify: noverify, - notifyURLs: urls, - notifyCtx: ctx, - cancelNotify: cancel, - works: make(map[common.Hash]*types.Block), - rates: make(map[common.Hash]hashrate), - workCh: make(chan *sealTask), - fetchWorkCh: make(chan *sealWork), - submitWorkCh: make(chan *mineResult), - fetchRateCh: make(chan chan uint64), - submitRateCh: make(chan *hashrate), - requestExit: make(chan struct{}), - exitCh: make(chan struct{}), - } - go s.loop() - return s -} - -func (s *remoteSealer) loop() { - defer func() { - s.ethash.config.Log.Trace("Ethash remote sealer is exiting") - s.cancelNotify() - s.reqWG.Wait() - close(s.exitCh) - }() - - ticker := time.NewTicker(5 * time.Second) - defer ticker.Stop() - - for { - select { - case work := <-s.workCh: - // Update current work with new received block. - // Note same work can be past twice, happens when changing CPU threads. - s.results = work.results - s.makeWork(work.block) - s.notifyWork() - - case work := <-s.fetchWorkCh: - // Return current mining work to remote miner. - if s.currentBlock == nil { - work.errc <- errNoMiningWork - } else { - work.res <- s.currentWork - } - - case result := <-s.submitWorkCh: - // Verify submitted PoW solution based on maintained mining blocks. - if s.submitWork(result.nonce, result.mixDigest, result.hash) { - result.errc <- nil - } else { - result.errc <- errInvalidSealResult - } - - case result := <-s.submitRateCh: - // Trace remote sealer's hash rate by submitted value. - s.rates[result.id] = hashrate{rate: result.rate, ping: time.Now()} - close(result.done) - - case req := <-s.fetchRateCh: - // Gather all hash rate submitted by remote sealer. - var total uint64 - for _, rate := range s.rates { - // this could overflow - total += rate.rate - } - req <- total - - case <-ticker.C: - // Clear stale submitted hash rate. - for id, rate := range s.rates { - if time.Since(rate.ping) > 10*time.Second { - delete(s.rates, id) - } - } - // Clear stale pending blocks - if s.currentBlock != nil { - for hash, block := range s.works { - if block.NumberU64()+staleThreshold <= s.currentBlock.NumberU64() { - delete(s.works, hash) - } - } - } - - case <-s.requestExit: - return - } - } -} - -// makeWork creates a work package for external miner. -// -// The work package consists of 3 strings: -// -// result[0], 32 bytes hex encoded current block header pow-hash -// result[1], 32 bytes hex encoded seed hash used for DAG -// result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty -// result[3], hex encoded block number -func (s *remoteSealer) makeWork(block *types.Block) { - hash := s.ethash.SealHash(block.Header()) - s.currentWork[0] = hash.Hex() - s.currentWork[1] = common.BytesToHash(SeedHash(block.NumberU64())).Hex() - s.currentWork[2] = common.BytesToHash(new(big.Int).Div(two256, block.Difficulty()).Bytes()).Hex() - s.currentWork[3] = hexutil.EncodeBig(block.Number()) - - // Trace the seal work fetched by remote sealer. - s.currentBlock = block - s.works[hash] = block -} - -// notifyWork notifies all the specified mining endpoints of the availability of -// new work to be processed. -func (s *remoteSealer) notifyWork() { - work := s.currentWork - - // Encode the JSON payload of the notification. When NotifyFull is set, - // this is the complete block header, otherwise it is a JSON array. - var blob []byte - if s.ethash.config.NotifyFull { - blob, _ = json.Marshal(s.currentBlock.Header()) - } else { - blob, _ = json.Marshal(work) - } - - s.reqWG.Add(len(s.notifyURLs)) - for _, url := range s.notifyURLs { - go s.sendNotification(s.notifyCtx, url, blob, work) - } -} - -func (s *remoteSealer) sendNotification(ctx context.Context, url string, json []byte, work [4]string) { - defer s.reqWG.Done() - - req, err := http.NewRequest(http.MethodPost, url, bytes.NewReader(json)) - if err != nil { - s.ethash.config.Log.Warn("Can't create remote miner notification", "err", err) - return - } - ctx, cancel := context.WithTimeout(ctx, remoteSealerTimeout) - defer cancel() - req = req.WithContext(ctx) - req.Header.Set("Content-Type", "application/json") - - resp, err := http.DefaultClient.Do(req) - if err != nil { - s.ethash.config.Log.Warn("Failed to notify remote miner", "err", err) - } else { - s.ethash.config.Log.Trace("Notified remote miner", "miner", url, "hash", work[0], "target", work[2]) - resp.Body.Close() - } -} - -// submitWork verifies the submitted pow solution, returning -// whether the solution was accepted or not (not can be both a bad pow as well as -// any other error, like no pending work or stale mining result). -func (s *remoteSealer) submitWork(nonce types.BlockNonce, mixDigest common.Hash, sealhash common.Hash) bool { - if s.currentBlock == nil { - s.ethash.config.Log.Error("Pending work without block", "sealhash", sealhash) - return false - } - // Make sure the work submitted is present - block := s.works[sealhash] - if block == nil { - s.ethash.config.Log.Warn("Work submitted but none pending", "sealhash", sealhash, "curnumber", s.currentBlock.NumberU64()) - return false - } - // Verify the correctness of submitted result. - header := block.Header() - header.Nonce = nonce - header.MixDigest = mixDigest - - start := time.Now() - if !s.noverify { - if err := s.ethash.verifySeal(nil, header, true); err != nil { - s.ethash.config.Log.Warn("Invalid proof-of-work submitted", "sealhash", sealhash, "elapsed", common.PrettyDuration(time.Since(start)), "err", err) - return false - } - } - // Make sure the result channel is assigned. - if s.results == nil { - s.ethash.config.Log.Warn("Ethash result channel is empty, submitted mining result is rejected") - return false - } - s.ethash.config.Log.Trace("Verified correct proof-of-work", "sealhash", sealhash, "elapsed", common.PrettyDuration(time.Since(start))) - - // Solutions seems to be valid, return to the miner and notify acceptance. - solution := block.WithSeal(header) - - // The submitted solution is within the scope of acceptance. - if solution.NumberU64()+staleThreshold > s.currentBlock.NumberU64() { - select { - case s.results <- solution: - s.ethash.config.Log.Debug("Work submitted is acceptable", "number", solution.NumberU64(), "sealhash", sealhash, "hash", solution.Hash()) - return true - default: - s.ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "remote", "sealhash", sealhash) - return false - } - } - // The submitted block is too old to accept, drop it. - s.ethash.config.Log.Warn("Work submitted is too old", "number", solution.NumberU64(), "sealhash", sealhash, "hash", solution.Hash()) - return false -} diff --git a/consensus/ethash/sealer_test.go b/consensus/ethash/sealer_test.go deleted file mode 100644 index e338f7529..000000000 --- a/consensus/ethash/sealer_test.go +++ /dev/null @@ -1,298 +0,0 @@ -// Copyright 2018 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 ethash - -import ( - "encoding/json" - "io" - "math/big" - "net/http" - "net/http/httptest" - "strconv" - "testing" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/internal/testlog" - "github.com/ethereum/go-ethereum/log" -) - -// Tests whether remote HTTP servers are correctly notified of new work. -func TestRemoteNotify(t *testing.T) { - // Start a simple web server to capture notifications. - sink := make(chan [3]string) - server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { - blob, err := io.ReadAll(req.Body) - if err != nil { - t.Errorf("failed to read miner notification: %v", err) - } - var work [3]string - if err := json.Unmarshal(blob, &work); err != nil { - t.Errorf("failed to unmarshal miner notification: %v", err) - } - sink <- work - })) - defer server.Close() - - // Create the custom ethash engine. - ethash := NewTester([]string{server.URL}, false) - defer ethash.Close() - - // Stream a work task and ensure the notification bubbles out. - header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)} - block := types.NewBlockWithHeader(header) - - ethash.Seal(nil, block, nil, nil) - select { - case work := <-sink: - if want := ethash.SealHash(header).Hex(); work[0] != want { - t.Errorf("work packet hash mismatch: have %s, want %s", work[0], want) - } - if want := common.BytesToHash(SeedHash(header.Number.Uint64())).Hex(); work[1] != want { - t.Errorf("work packet seed mismatch: have %s, want %s", work[1], want) - } - target := new(big.Int).Div(new(big.Int).Lsh(big.NewInt(1), 256), header.Difficulty) - if want := common.BytesToHash(target.Bytes()).Hex(); work[2] != want { - t.Errorf("work packet target mismatch: have %s, want %s", work[2], want) - } - case <-time.After(3 * time.Second): - t.Fatalf("notification timed out") - } -} - -// Tests whether remote HTTP servers are correctly notified of new work. (Full pending block body / --miner.notify.full) -func TestRemoteNotifyFull(t *testing.T) { - // Start a simple web server to capture notifications. - sink := make(chan map[string]interface{}) - server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { - blob, err := io.ReadAll(req.Body) - if err != nil { - t.Errorf("failed to read miner notification: %v", err) - } - var work map[string]interface{} - if err := json.Unmarshal(blob, &work); err != nil { - t.Errorf("failed to unmarshal miner notification: %v", err) - } - sink <- work - })) - defer server.Close() - - // Create the custom ethash engine. - config := Config{ - PowMode: ModeTest, - NotifyFull: true, - Log: testlog.Logger(t, log.LvlWarn), - } - ethash := New(config, []string{server.URL}, false) - defer ethash.Close() - - // Stream a work task and ensure the notification bubbles out. - header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)} - block := types.NewBlockWithHeader(header) - - ethash.Seal(nil, block, nil, nil) - select { - case work := <-sink: - if want := "0x" + strconv.FormatUint(header.Number.Uint64(), 16); work["number"] != want { - t.Errorf("pending block number mismatch: have %v, want %v", work["number"], want) - } - if want := "0x" + header.Difficulty.Text(16); work["difficulty"] != want { - t.Errorf("pending block difficulty mismatch: have %s, want %s", work["difficulty"], want) - } - case <-time.After(3 * time.Second): - t.Fatalf("notification timed out") - } -} - -// Tests that pushing work packages fast to the miner doesn't cause any data race -// issues in the notifications. -func TestRemoteMultiNotify(t *testing.T) { - // Start a simple web server to capture notifications. - sink := make(chan [3]string, 64) - server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { - blob, err := io.ReadAll(req.Body) - if err != nil { - t.Errorf("failed to read miner notification: %v", err) - } - var work [3]string - if err := json.Unmarshal(blob, &work); err != nil { - t.Errorf("failed to unmarshal miner notification: %v", err) - } - sink <- work - })) - defer server.Close() - - // Create the custom ethash engine. - ethash := NewTester([]string{server.URL}, false) - ethash.config.Log = testlog.Logger(t, log.LvlWarn) - defer ethash.Close() - - // Provide a results reader. - // Otherwise the unread results will be logged asynchronously - // and this can happen after the test is finished, causing a panic. - results := make(chan *types.Block, cap(sink)) - - // Stream a lot of work task and ensure all the notifications bubble out. - for i := 0; i < cap(sink); i++ { - header := &types.Header{Number: big.NewInt(int64(i)), Difficulty: big.NewInt(100)} - block := types.NewBlockWithHeader(header) - ethash.Seal(nil, block, results, nil) - } - - for i := 0; i < cap(sink); i++ { - select { - case <-sink: - <-results - case <-time.After(10 * time.Second): - t.Fatalf("notification %d timed out", i) - } - } -} - -// Tests that pushing work packages fast to the miner doesn't cause any data race -// issues in the notifications. Full pending block body / --miner.notify.full) -func TestRemoteMultiNotifyFull(t *testing.T) { - // Start a simple web server to capture notifications. - sink := make(chan map[string]interface{}, 64) - server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { - blob, err := io.ReadAll(req.Body) - if err != nil { - t.Errorf("failed to read miner notification: %v", err) - } - var work map[string]interface{} - if err := json.Unmarshal(blob, &work); err != nil { - t.Errorf("failed to unmarshal miner notification: %v", err) - } - sink <- work - })) - defer server.Close() - - // Create the custom ethash engine. - config := Config{ - PowMode: ModeTest, - NotifyFull: true, - Log: testlog.Logger(t, log.LvlWarn), - } - ethash := New(config, []string{server.URL}, false) - defer ethash.Close() - - // Provide a results reader. - // Otherwise the unread results will be logged asynchronously - // and this can happen after the test is finished, causing a panic. - results := make(chan *types.Block, cap(sink)) - - // Stream a lot of work task and ensure all the notifications bubble out. - for i := 0; i < cap(sink); i++ { - header := &types.Header{Number: big.NewInt(int64(i)), Difficulty: big.NewInt(100)} - block := types.NewBlockWithHeader(header) - ethash.Seal(nil, block, results, nil) - } - - for i := 0; i < cap(sink); i++ { - select { - case <-sink: - <-results - case <-time.After(10 * time.Second): - t.Fatalf("notification %d timed out", i) - } - } -} - -// Tests whether stale solutions are correctly processed. -func TestStaleSubmission(t *testing.T) { - ethash := NewTester(nil, true) - defer ethash.Close() - api := &API{ethash} - - fakeNonce, fakeDigest := types.BlockNonce{0x01, 0x02, 0x03}, common.HexToHash("deadbeef") - - testcases := []struct { - headers []*types.Header - submitIndex int - submitRes bool - }{ - // Case1: submit solution for the latest mining package - { - []*types.Header{ - {ParentHash: common.BytesToHash([]byte{0xa}), Number: big.NewInt(1), Difficulty: big.NewInt(100000000)}, - }, - 0, - true, - }, - // Case2: submit solution for the previous package but have same parent. - { - []*types.Header{ - {ParentHash: common.BytesToHash([]byte{0xb}), Number: big.NewInt(2), Difficulty: big.NewInt(100000000)}, - {ParentHash: common.BytesToHash([]byte{0xb}), Number: big.NewInt(2), Difficulty: big.NewInt(100000001)}, - }, - 0, - true, - }, - // Case3: submit stale but acceptable solution - { - []*types.Header{ - {ParentHash: common.BytesToHash([]byte{0xc}), Number: big.NewInt(3), Difficulty: big.NewInt(100000000)}, - {ParentHash: common.BytesToHash([]byte{0xd}), Number: big.NewInt(9), Difficulty: big.NewInt(100000000)}, - }, - 0, - true, - }, - // Case4: submit very old solution - { - []*types.Header{ - {ParentHash: common.BytesToHash([]byte{0xe}), Number: big.NewInt(10), Difficulty: big.NewInt(100000000)}, - {ParentHash: common.BytesToHash([]byte{0xf}), Number: big.NewInt(17), Difficulty: big.NewInt(100000000)}, - }, - 0, - false, - }, - } - results := make(chan *types.Block, 16) - - for id, c := range testcases { - for _, h := range c.headers { - ethash.Seal(nil, types.NewBlockWithHeader(h), results, nil) - } - if res := api.SubmitWork(fakeNonce, ethash.SealHash(c.headers[c.submitIndex]), fakeDigest); res != c.submitRes { - t.Errorf("case %d submit result mismatch, want %t, get %t", id+1, c.submitRes, res) - } - if !c.submitRes { - continue - } - select { - case res := <-results: - if res.Header().Nonce != fakeNonce { - t.Errorf("case %d block nonce mismatch, want %x, get %x", id+1, fakeNonce, res.Header().Nonce) - } - if res.Header().MixDigest != fakeDigest { - t.Errorf("case %d block digest mismatch, want %x, get %x", id+1, fakeDigest, res.Header().MixDigest) - } - if res.Header().Difficulty.Uint64() != c.headers[c.submitIndex].Difficulty.Uint64() { - t.Errorf("case %d block difficulty mismatch, want %d, get %d", id+1, c.headers[c.submitIndex].Difficulty, res.Header().Difficulty) - } - if res.Header().Number.Uint64() != c.headers[c.submitIndex].Number.Uint64() { - t.Errorf("case %d block number mismatch, want %d, get %d", id+1, c.headers[c.submitIndex].Number.Uint64(), res.Header().Number.Uint64()) - } - if res.Header().ParentHash != c.headers[c.submitIndex].ParentHash { - t.Errorf("case %d block parent hash mismatch, want %s, get %s", id+1, c.headers[c.submitIndex].ParentHash.Hex(), res.Header().ParentHash.Hex()) - } - case <-time.NewTimer(time.Second).C: - t.Errorf("case %d fetch ethash result timeout", id+1) - } - } -} diff --git a/console/console_test.go b/console/console_test.go index 35341fcba..cc61f021c 100644 --- a/console/console_test.go +++ b/console/console_test.go @@ -26,7 +26,6 @@ import ( "time" "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/console/prompt" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/eth" @@ -99,9 +98,6 @@ func newTester(t *testing.T, confOverride func(*ethconfig.Config)) *tester { Miner: miner.Config{ Etherbase: common.HexToAddress(testAddress), }, - Ethash: ethash.Config{ - PowMode: ethash.ModeTest, - }, } if confOverride != nil { confOverride(ethConf) diff --git a/core/block_validator_test.go b/core/block_validator_test.go index 3e951d56a..d18954516 100644 --- a/core/block_validator_test.go +++ b/core/block_validator_test.go @@ -55,10 +55,10 @@ func TestHeaderVerification(t *testing.T) { if valid { engine := ethash.NewFaker() - _, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]}, []bool{true}) + _, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]}) } else { engine := ethash.NewFakeFailer(headers[i].Number.Uint64()) - _, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]}, []bool{true}) + _, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]}) } // Wait for the verification result select { @@ -164,7 +164,7 @@ func testHeaderVerificationForMerging(t *testing.T, isClique bool) { // Verify the blocks before the merging for i := 0; i < len(preBlocks); i++ { - _, results := engine.VerifyHeaders(chain, []*types.Header{preHeaders[i]}, []bool{true}) + _, results := engine.VerifyHeaders(chain, []*types.Header{preHeaders[i]}) // Wait for the verification result select { case result := <-results: @@ -189,7 +189,7 @@ func testHeaderVerificationForMerging(t *testing.T, isClique bool) { // Verify the blocks after the merging for i := 0; i < len(postBlocks); i++ { - _, results := engine.VerifyHeaders(chain, []*types.Header{postHeaders[i]}, []bool{true}) + _, results := engine.VerifyHeaders(chain, []*types.Header{postHeaders[i]}) // Wait for the verification result select { case result := <-results: @@ -209,19 +209,14 @@ func testHeaderVerificationForMerging(t *testing.T, isClique bool) { } // Verify the blocks with pre-merge blocks and post-merge blocks - var ( - headers []*types.Header - seals []bool - ) + var headers []*types.Header for _, block := range preBlocks { headers = append(headers, block.Header()) - seals = append(seals, true) } for _, block := range postBlocks { headers = append(headers, block.Header()) - seals = append(seals, true) } - _, results := engine.VerifyHeaders(chain, headers, seals) + _, results := engine.VerifyHeaders(chain, headers) for i := 0; i < len(headers); i++ { select { case result := <-results: @@ -252,11 +247,8 @@ func testHeaderConcurrentVerification(t *testing.T, threads int) { _, blocks, _ = GenerateChainWithGenesis(gspec, ethash.NewFaker(), 8, nil) ) headers := make([]*types.Header, len(blocks)) - seals := make([]bool, len(blocks)) - for i, block := range blocks { headers[i] = block.Header() - seals[i] = true } // Set the number of threads to verify on old := runtime.GOMAXPROCS(threads) @@ -269,11 +261,11 @@ func testHeaderConcurrentVerification(t *testing.T, threads int) { if valid { chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil) - _, results = chain.engine.VerifyHeaders(chain, headers, seals) + _, results = chain.engine.VerifyHeaders(chain, headers) chain.Stop() } else { chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFakeFailer(uint64(len(headers)-1)), vm.Config{}, nil, nil) - _, results = chain.engine.VerifyHeaders(chain, headers, seals) + _, results = chain.engine.VerifyHeaders(chain, headers) chain.Stop() } // Wait for all the verification results @@ -322,11 +314,8 @@ func testHeaderConcurrentAbortion(t *testing.T, threads int) { _, blocks, _ = GenerateChainWithGenesis(gspec, ethash.NewFaker(), 1024, nil) ) headers := make([]*types.Header, len(blocks)) - seals := make([]bool, len(blocks)) - for i, block := range blocks { headers[i] = block.Header() - seals[i] = true } // Set the number of threads to verify on old := runtime.GOMAXPROCS(threads) @@ -336,7 +325,7 @@ func testHeaderConcurrentAbortion(t *testing.T, threads int) { chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFakeDelayer(time.Millisecond), vm.Config{}, nil, nil) defer chain.Stop() - abort, results := chain.engine.VerifyHeaders(chain, headers, seals) + abort, results := chain.engine.VerifyHeaders(chain, headers) close(abort) // Deplete the results channel diff --git a/core/blockchain.go b/core/blockchain.go index 2e3a45b90..de64ab7c3 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -365,7 +365,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis // The first thing the node will do is reconstruct the verification data for // the head block (ethash cache or clique voting snapshot). Might as well do // it in advance. - bc.engine.VerifyHeader(bc, bc.CurrentHeader(), true) + bc.engine.VerifyHeader(bc, bc.CurrentHeader()) // Check the current state of the block hashes and make sure that we do not have any of the bad blocks in our chain for hash := range BadHashes { @@ -1522,7 +1522,7 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) { return 0, errChainStopped } defer bc.chainmu.Unlock() - return bc.insertChain(chain, true, true) + return bc.insertChain(chain, true) } // insertChain is the internal implementation of InsertChain, which assumes that @@ -1533,7 +1533,7 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) { // racey behaviour. If a sidechain import is in progress, and the historic state // is imported, but then new canon-head is added before the actual sidechain // completes, then the historic state could be pruned again -func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals, setHead bool) (int, error) { +func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error) { // If the chain is terminating, don't even bother starting up. if bc.insertStopped() { return 0, nil @@ -1554,13 +1554,10 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals, setHead bool) }() // Start the parallel header verifier headers := make([]*types.Header, len(chain)) - seals := make([]bool, len(chain)) - for i, block := range chain { headers[i] = block.Header() - seals[i] = verifySeals } - abort, results := bc.engine.VerifyHeaders(bc, headers, seals) + abort, results := bc.engine.VerifyHeaders(bc, headers) defer close(abort) // Peek the error for the first block to decide the directing import logic @@ -1981,7 +1978,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i // memory here. if len(blocks) >= 2048 || memory > 64*1024*1024 { log.Info("Importing heavy sidechain segment", "blocks", len(blocks), "start", blocks[0].NumberU64(), "end", block.NumberU64()) - if _, err := bc.insertChain(blocks, false, true); err != nil { + if _, err := bc.insertChain(blocks, true); err != nil { return 0, err } blocks, memory = blocks[:0], 0 @@ -1995,7 +1992,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i } if len(blocks) > 0 { log.Info("Importing sidechain segment", "start", blocks[0].NumberU64(), "end", blocks[len(blocks)-1].NumberU64()) - return bc.insertChain(blocks, false, true) + return bc.insertChain(blocks, true) } return 0, nil } @@ -2038,7 +2035,7 @@ func (bc *BlockChain) recoverAncestors(block *types.Block) (common.Hash, error) } else { b = bc.GetBlock(hashes[i], numbers[i]) } - if _, err := bc.insertChain(types.Blocks{b}, false, false); err != nil { + if _, err := bc.insertChain(types.Blocks{b}, false); err != nil { return b.ParentHash(), err } } @@ -2242,7 +2239,7 @@ func (bc *BlockChain) InsertBlockWithoutSetHead(block *types.Block) error { } defer bc.chainmu.Unlock() - _, err := bc.insertChain(types.Blocks{block}, true, false) + _, err := bc.insertChain(types.Blocks{block}, false) return err } @@ -2462,17 +2459,12 @@ Receipts: %v // InsertHeaderChain attempts to insert the given header chain in to the local // chain, possibly creating a reorg. If an error is returned, it will return the // index number of the failing header as well an error describing what went wrong. -// -// The verify parameter can be used to fine tune whether nonce verification -// should be done or not. The reason behind the optional check is because some -// of the header retrieval mechanisms already need to verify nonces, as well as -// because nonces can be verified sparsely, not needing to check each. -func (bc *BlockChain) InsertHeaderChain(chain []*types.Header, checkFreq int) (int, error) { +func (bc *BlockChain) InsertHeaderChain(chain []*types.Header) (int, error) { if len(chain) == 0 { return 0, nil } start := time.Now() - if i, err := bc.hc.ValidateHeaderChain(chain, checkFreq); err != nil { + if i, err := bc.hc.ValidateHeaderChain(chain); err != nil { return i, err } diff --git a/core/blockchain_test.go b/core/blockchain_test.go index 77c3b00c1..92a65ab9e 100644 --- a/core/blockchain_test.go +++ b/core/blockchain_test.go @@ -74,7 +74,7 @@ func newCanonical(engine consensus.Engine, n int, full bool) (ethdb.Database, *G } // Header-only chain requested genDb, headers := makeHeaderChainWithGenesis(genesis, n, engine, canonicalSeed) - _, err := blockchain.InsertHeaderChain(headers, 1) + _, err := blockchain.InsertHeaderChain(headers) return genDb, genesis, blockchain, err } @@ -115,7 +115,7 @@ func testFork(t *testing.T, blockchain *BlockChain, i, n int, full bool, compara } } else { headerChainB = makeHeaderChain(blockchain2.chainConfig, blockchain2.CurrentHeader(), n, ethash.NewFaker(), genDb, forkSeed) - if _, err := blockchain2.InsertHeaderChain(headerChainB, 1); err != nil { + if _, err := blockchain2.InsertHeaderChain(headerChainB); err != nil { t.Fatalf("failed to insert forking chain: %v", err) } } @@ -148,7 +148,7 @@ func testFork(t *testing.T, blockchain *BlockChain, i, n int, full bool, compara func testBlockChainImport(chain types.Blocks, blockchain *BlockChain) error { for _, block := range chain { // Try and process the block - err := blockchain.engine.VerifyHeader(blockchain, block.Header(), true) + err := blockchain.engine.VerifyHeader(blockchain, block.Header()) if err == nil { err = blockchain.validator.ValidateBody(block) } @@ -187,7 +187,7 @@ func testBlockChainImport(chain types.Blocks, blockchain *BlockChain) error { func testHeaderChainImport(chain []*types.Header, blockchain *BlockChain) error { for _, header := range chain { // Try and validate the header - if err := blockchain.engine.VerifyHeader(blockchain, header, false); err != nil { + if err := blockchain.engine.VerifyHeader(blockchain, header); err != nil { return err } // Manually insert the header into the database, but don't reorganise (allows subsequent testing) @@ -252,7 +252,7 @@ func testInsertAfterMerge(t *testing.T, blockchain *BlockChain, i, n int, full b } } else { headerChainB := makeHeaderChain(blockchain2.chainConfig, blockchain2.CurrentHeader(), n, ethash.NewFaker(), genDb, forkSeed) - if _, err := blockchain2.InsertHeaderChain(headerChainB, 1); err != nil { + if _, err := blockchain2.InsertHeaderChain(headerChainB); err != nil { t.Fatalf("failed to insert forking chain: %v", err) } if blockchain2.CurrentHeader().Number.Uint64() != headerChainB[len(headerChainB)-1].Number.Uint64() { @@ -549,10 +549,10 @@ func testReorg(t *testing.T, first, second []int64, td int64, full bool) { for i, block := range diffBlocks { diffHeaders[i] = block.Header() } - if _, err := blockchain.InsertHeaderChain(easyHeaders, 1); err != nil { + if _, err := blockchain.InsertHeaderChain(easyHeaders); err != nil { t.Fatalf("failed to insert easy chain: %v", err) } - if _, err := blockchain.InsertHeaderChain(diffHeaders, 1); err != nil { + if _, err := blockchain.InsertHeaderChain(diffHeaders); err != nil { t.Fatalf("failed to insert difficult chain: %v", err) } } @@ -613,7 +613,7 @@ func testBadHashes(t *testing.T, full bool) { BadHashes[headers[2].Hash()] = true defer func() { delete(BadHashes, headers[2].Hash()) }() - _, err = blockchain.InsertHeaderChain(headers, 1) + _, err = blockchain.InsertHeaderChain(headers) } if !errors.Is(err, ErrBannedHash) { t.Errorf("error mismatch: have: %v, want: %v", err, ErrBannedHash) @@ -645,7 +645,7 @@ func testReorgBadHashes(t *testing.T, full bool) { BadHashes[blocks[3].Header().Hash()] = true defer func() { delete(BadHashes, blocks[3].Header().Hash()) }() } else { - if _, err = blockchain.InsertHeaderChain(headers, 1); err != nil { + if _, err = blockchain.InsertHeaderChain(headers); err != nil { t.Errorf("failed to import headers: %v", err) } if blockchain.CurrentHeader().Hash() != headers[3].Hash() { @@ -711,7 +711,7 @@ func testInsertNonceError(t *testing.T, full bool) { blockchain.engine = ethash.NewFakeFailer(failNum) blockchain.hc.engine = blockchain.engine - failRes, err = blockchain.InsertHeaderChain(headers, 1) + failRes, err = blockchain.InsertHeaderChain(headers) } // Check that the returned error indicates the failure if failRes != failAt { @@ -785,7 +785,7 @@ func TestFastVsFullChains(t *testing.T) { for i, block := range blocks { headers[i] = block.Header() } - if n, err := fast.InsertHeaderChain(headers, 1); err != nil { + if n, err := fast.InsertHeaderChain(headers); err != nil { t.Fatalf("failed to insert header %d: %v", n, err) } if n, err := fast.InsertReceiptChain(blocks, receipts, 0); err != nil { @@ -800,7 +800,7 @@ func TestFastVsFullChains(t *testing.T) { ancient, _ := NewBlockChain(ancientDb, nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil) defer ancient.Stop() - if n, err := ancient.InsertHeaderChain(headers, 1); err != nil { + if n, err := ancient.InsertHeaderChain(headers); err != nil { t.Fatalf("failed to insert header %d: %v", n, err) } if n, err := ancient.InsertReceiptChain(blocks, receipts, uint64(len(blocks)/2)); err != nil { @@ -931,7 +931,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) { for i, block := range blocks { headers[i] = block.Header() } - if n, err := fast.InsertHeaderChain(headers, 1); err != nil { + if n, err := fast.InsertHeaderChain(headers); err != nil { t.Fatalf("failed to insert header %d: %v", n, err) } if n, err := fast.InsertReceiptChain(blocks, receipts, 0); err != nil { @@ -947,7 +947,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) { ancient, _ := NewBlockChain(ancientDb, nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil) defer ancient.Stop() - if n, err := ancient.InsertHeaderChain(headers, 1); err != nil { + if n, err := ancient.InsertHeaderChain(headers); err != nil { t.Fatalf("failed to insert header %d: %v", n, err) } if n, err := ancient.InsertReceiptChain(blocks, receipts, uint64(3*len(blocks)/4)); err != nil { @@ -964,7 +964,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) { lightDb := makeDb() defer lightDb.Close() light, _ := NewBlockChain(lightDb, nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil) - if n, err := light.InsertHeaderChain(headers, 1); err != nil { + if n, err := light.InsertHeaderChain(headers); err != nil { t.Fatalf("failed to insert header %d: %v", n, err) } defer light.Stop() @@ -1781,7 +1781,7 @@ func TestBlockchainRecovery(t *testing.T) { for i, block := range blocks { headers[i] = block.Header() } - if n, err := ancient.InsertHeaderChain(headers, 1); err != nil { + if n, err := ancient.InsertHeaderChain(headers); err != nil { t.Fatalf("failed to insert header %d: %v", n, err) } if n, err := ancient.InsertReceiptChain(blocks, receipts, uint64(3*len(blocks)/4)); err != nil { @@ -1850,7 +1850,7 @@ func TestInsertReceiptChainRollback(t *testing.T) { for i, block := range canonblocks { canonHeaders[i] = block.Header() } - if _, err = ancientChain.InsertHeaderChain(canonHeaders, 1); err != nil { + if _, err = ancientChain.InsertHeaderChain(canonHeaders); err != nil { t.Fatal("can't import canon headers:", err) } @@ -2128,7 +2128,7 @@ func testInsertKnownChainData(t *testing.T, typ string) { for _, block := range blocks { headers = append(headers, block.Header()) } - _, err := chain.InsertHeaderChain(headers, 1) + _, err := chain.InsertHeaderChain(headers) return err } asserter = func(t *testing.T, block *types.Block) { @@ -2142,7 +2142,7 @@ func testInsertKnownChainData(t *testing.T, typ string) { for _, block := range blocks { headers = append(headers, block.Header()) } - _, err := chain.InsertHeaderChain(headers, 1) + _, err := chain.InsertHeaderChain(headers) if err != nil { return err } @@ -2299,7 +2299,7 @@ func testInsertKnownChainDataWithMerging(t *testing.T, typ string, mergeHeight i for _, block := range blocks { headers = append(headers, block.Header()) } - i, err := chain.InsertHeaderChain(headers, 1) + i, err := chain.InsertHeaderChain(headers) if err != nil { return fmt.Errorf("index %d, number %d: %w", i, headers[i].Number, err) } @@ -2316,7 +2316,7 @@ func testInsertKnownChainDataWithMerging(t *testing.T, typ string, mergeHeight i for _, block := range blocks { headers = append(headers, block.Header()) } - i, err := chain.InsertHeaderChain(headers, 1) + i, err := chain.InsertHeaderChain(headers) if err != nil { return fmt.Errorf("index %d: %w", i, err) } @@ -2492,7 +2492,7 @@ func TestReorgToShorterRemovesCanonMappingHeaderChain(t *testing.T) { for i, block := range canonblocks { canonHeaders[i] = block.Header() } - if n, err := chain.InsertHeaderChain(canonHeaders, 0); err != nil { + if n, err := chain.InsertHeaderChain(canonHeaders); err != nil { t.Fatalf("header %d: failed to insert into chain: %v", n, err) } canonNum := chain.CurrentHeader().Number.Uint64() @@ -2501,7 +2501,7 @@ func TestReorgToShorterRemovesCanonMappingHeaderChain(t *testing.T) { for i, block := range sideblocks { sideHeaders[i] = block.Header() } - if n, err := chain.InsertHeaderChain(sideHeaders, 0); err != nil { + if n, err := chain.InsertHeaderChain(sideHeaders); err != nil { t.Fatalf("header %d: failed to insert into chain: %v", n, err) } head := chain.CurrentHeader() @@ -2692,7 +2692,7 @@ func TestSkipStaleTxIndicesInSnapSync(t *testing.T) { for i, block := range blocks { headers[i] = block.Header() } - if n, err := chain.InsertHeaderChain(headers, 0); err != nil { + if n, err := chain.InsertHeaderChain(headers); err != nil { t.Fatalf("failed to insert header %d: %v", n, err) } // The indices before ancient-N(32) should be ignored. After that all blocks should be indexed. diff --git a/core/genesis.go b/core/genesis.go index e1682ebeb..1a9ee24df 100644 --- a/core/genesis.go +++ b/core/genesis.go @@ -379,11 +379,9 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen return newcfg, stored, nil } -// LoadCliqueConfig loads the stored clique config if the chain config -// is already present in database, otherwise, return the config in the -// provided genesis specification. Note the returned clique config can -// be nil if we are not in the clique network. -func LoadCliqueConfig(db ethdb.Database, genesis *Genesis) (*params.CliqueConfig, error) { +// LoadChainConfig loads the stored chain config if it is already present in +// database, otherwise, return the config in the provided genesis specification. +func LoadChainConfig(db ethdb.Database, genesis *Genesis) (*params.ChainConfig, error) { // Load the stored chain config from the database. It can be nil // in case the database is empty. Notably, we only care about the // chain config corresponds to the canonical chain. @@ -391,10 +389,10 @@ func LoadCliqueConfig(db ethdb.Database, genesis *Genesis) (*params.CliqueConfig if stored != (common.Hash{}) { storedcfg := rawdb.ReadChainConfig(db, stored) if storedcfg != nil { - return storedcfg.Clique, nil + return storedcfg, nil } } - // Load the clique config from the provided genesis specification. + // Load the config from the provided genesis specification if genesis != nil { // Reject invalid genesis spec without valid chain config if genesis.Config == nil { @@ -407,12 +405,11 @@ func LoadCliqueConfig(db ethdb.Database, genesis *Genesis) (*params.CliqueConfig if stored != (common.Hash{}) && genesis.ToBlock().Hash() != stored { return nil, &GenesisMismatchError{stored, genesis.ToBlock().Hash()} } - return genesis.Config.Clique, nil + return genesis.Config, nil } // There is no stored chain config and no new config provided, - // In this case the default chain config(mainnet) will be used, - // namely ethash is the specified consensus engine, return nil. - return nil, nil + // In this case the default chain config(mainnet) will be used + return params.MainnetChainConfig, nil } func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig { diff --git a/core/headerchain.go b/core/headerchain.go index aed3c720c..519a32ab8 100644 --- a/core/headerchain.go +++ b/core/headerchain.go @@ -300,7 +300,7 @@ func (hc *HeaderChain) writeHeadersAndSetHead(headers []*types.Header, forker *F return result, nil } -func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int) (int, error) { +func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header) (int, error) { // Do a sanity check that the provided chain is actually ordered and linked for i := 1; i < len(chain); i++ { if chain[i].Number.Uint64() != chain[i-1].Number.Uint64()+1 { @@ -322,23 +322,8 @@ func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int) return i, ErrBannedHash } } - - // Generate the list of seal verification requests, and start the parallel verifier - seals := make([]bool, len(chain)) - if checkFreq != 0 { - // In case of checkFreq == 0 all seals are left false. - for i := 0; i <= len(seals)/checkFreq; i++ { - index := i*checkFreq + hc.rand.Intn(checkFreq) - if index >= len(seals) { - index = len(seals) - 1 - } - seals[index] = true - } - // Last should always be verified to avoid junk. - seals[len(seals)-1] = true - } - - abort, results := hc.engine.VerifyHeaders(hc, chain, seals) + // Start the parallel verifier + abort, results := hc.engine.VerifyHeaders(hc, chain) defer close(abort) // Iterate over the headers and ensure they all check out diff --git a/eth/api.go b/eth/api.go index 66df927ac..5fdd0117d 100644 --- a/eth/api.go +++ b/eth/api.go @@ -24,7 +24,6 @@ import ( "io" "math/big" "os" - "runtime" "strings" "time" @@ -86,11 +85,8 @@ func NewMinerAPI(e *Ethereum) *MinerAPI { // usable by this process. If mining is already running, this method adjust the // number of threads allowed to use and updates the minimum price required by the // transaction pool. -func (api *MinerAPI) Start(threads *int) error { - if threads == nil { - return api.e.StartMining(runtime.NumCPU()) - } - return api.e.StartMining(*threads) +func (api *MinerAPI) Start() error { + return api.e.StartMining() } // Stop terminates the miner, both at the consensus engine level as well as at diff --git a/eth/api_backend.go b/eth/api_backend.go index 959568d29..9ea288a94 100644 --- a/eth/api_backend.go +++ b/eth/api_backend.go @@ -397,8 +397,8 @@ func (b *EthAPIBackend) Miner() *miner.Miner { return b.eth.Miner() } -func (b *EthAPIBackend) StartMining(threads int) error { - return b.eth.StartMining(threads) +func (b *EthAPIBackend) StartMining() error { + return b.eth.StartMining() } func (b *EthAPIBackend) StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, readOnly bool, preferDisk bool) (*state.StateDB, tracers.StateReleaseFunc, error) { diff --git a/eth/backend.go b/eth/backend.go index 21c0deaa2..4caab9bad 100644 --- a/eth/backend.go +++ b/eth/backend.go @@ -134,14 +134,14 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) { log.Error("Failed to recover state", "error", err) } // Transfer mining-related config to the ethash config. - ethashConfig := config.Ethash - ethashConfig.NotifyFull = config.Miner.NotifyFull - cliqueConfig, err := core.LoadCliqueConfig(chainDb, config.Genesis) + chainConfig, err := core.LoadChainConfig(chainDb, config.Genesis) + if err != nil { + return nil, err + } + engine, err := ethconfig.CreateConsensusEngine(chainConfig, chainDb) if err != nil { return nil, err } - engine := ethconfig.CreateConsensusEngine(stack, ðashConfig, cliqueConfig, config.Miner.Notify, config.Miner.Noverify, chainDb) - eth := &Ethereum{ config: config, merger: consensus.NewMerger(chainDb), @@ -392,18 +392,7 @@ func (s *Ethereum) SetEtherbase(etherbase common.Address) { // StartMining starts the miner with the given number of CPU threads. If mining // is already running, this method adjust the number of threads allowed to use // and updates the minimum price required by the transaction pool. -func (s *Ethereum) StartMining(threads int) error { - // Update the thread count within the consensus engine - type threaded interface { - SetThreads(threads int) - } - if th, ok := s.engine.(threaded); ok { - log.Info("Updated mining threads", "threads", threads) - if threads == 0 { - threads = -1 // Disable the miner from within - } - th.SetThreads(threads) - } +func (s *Ethereum) StartMining() error { // If the miner was not running, initialize it if !s.IsMining() { // Propagate the initial price point to the transaction pool diff --git a/eth/catalyst/api_test.go b/eth/catalyst/api_test.go index f38122200..5bab7ba18 100644 --- a/eth/catalyst/api_test.go +++ b/eth/catalyst/api_test.go @@ -440,7 +440,7 @@ func startEthService(t *testing.T, genesis *core.Genesis, blocks []*types.Block) t.Fatal("can't create node:", err) } - ethcfg := ðconfig.Config{Genesis: genesis, Ethash: ethash.Config{PowMode: ethash.ModeFake}, SyncMode: downloader.FullSync, TrieTimeout: time.Minute, TrieDirtyCache: 256, TrieCleanCache: 256} + ethcfg := ðconfig.Config{Genesis: genesis, SyncMode: downloader.FullSync, TrieTimeout: time.Minute, TrieDirtyCache: 256, TrieCleanCache: 256} ethservice, err := eth.New(n, ethcfg) if err != nil { t.Fatal("can't create eth service:", err) diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index 1e2022ba7..e56321e58 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -53,11 +53,9 @@ var ( reorgProtThreshold = 48 // Threshold number of recent blocks to disable mini reorg protection reorgProtHeaderDelay = 2 // Number of headers to delay delivering to cover mini reorgs - fsHeaderCheckFrequency = 100 // Verification frequency of the downloaded headers during snap sync - fsHeaderSafetyNet = 2048 // Number of headers to discard in case a chain violation is detected - fsHeaderForceVerify = 24 // Number of headers to verify before and after the pivot to accept it - fsHeaderContCheck = 3 * time.Second // Time interval to check for header continuations during state download - fsMinFullBlocks = 64 // Number of blocks to retrieve fully even in snap sync + fsHeaderSafetyNet = 2048 // Number of headers to discard in case a chain violation is detected + fsHeaderContCheck = 3 * time.Second // Time interval to check for header continuations during state download + fsMinFullBlocks = 64 // Number of blocks to retrieve fully even in snap sync ) var ( @@ -175,7 +173,7 @@ type LightChain interface { GetTd(common.Hash, uint64) *big.Int // InsertHeaderChain inserts a batch of headers into the local chain. - InsertHeaderChain([]*types.Header, int) (int, error) + InsertHeaderChain([]*types.Header) (int, error) // SetHead rewinds the local chain to a new head. SetHead(uint64) error @@ -1381,19 +1379,6 @@ func (d *Downloader) processHeaders(origin uint64, td, ttd *big.Int, beaconMode // In case of header only syncing, validate the chunk immediately if mode == SnapSync || mode == LightSync { - // If we're importing pure headers, verify based on their recentness - var pivot uint64 - - d.pivotLock.RLock() - if d.pivotHeader != nil { - pivot = d.pivotHeader.Number.Uint64() - } - d.pivotLock.RUnlock() - - frequency := fsHeaderCheckFrequency - if chunkHeaders[len(chunkHeaders)-1].Number.Uint64()+uint64(fsHeaderForceVerify) > pivot { - frequency = 1 - } // Although the received headers might be all valid, a legacy // PoW/PoA sync must not accept post-merge headers. Make sure // that any transition is rejected at this point. @@ -1426,11 +1411,11 @@ func (d *Downloader) processHeaders(origin uint64, td, ttd *big.Int, beaconMode } } if len(chunkHeaders) > 0 { - if n, err := d.lightchain.InsertHeaderChain(chunkHeaders, frequency); err != nil { + if n, err := d.lightchain.InsertHeaderChain(chunkHeaders); err != nil { rollbackErr = err // If some headers were inserted, track them as uncertain - if (mode == SnapSync || frequency > 1) && n > 0 && rollback == 0 { + if mode == SnapSync && n > 0 && rollback == 0 { rollback = chunkHeaders[0].Number.Uint64() } log.Warn("Invalid header encountered", "number", chunkHeaders[n].Number, "hash", chunkHashes[n], "parent", chunkHeaders[n].ParentHash, "err", err) diff --git a/eth/ethconfig/config.go b/eth/ethconfig/config.go index 3279d9a1b..a98d9ee4a 100644 --- a/eth/ethconfig/config.go +++ b/eth/ethconfig/config.go @@ -18,10 +18,7 @@ package ethconfig import ( - "os" - "os/user" - "path/filepath" - "runtime" + "errors" "time" "github.com/ethereum/go-ethereum/common" @@ -34,9 +31,7 @@ import ( "github.com/ethereum/go-ethereum/eth/downloader" "github.com/ethereum/go-ethereum/eth/gasprice" "github.com/ethereum/go-ethereum/ethdb" - "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/miner" - "github.com/ethereum/go-ethereum/node" "github.com/ethereum/go-ethereum/params" ) @@ -62,16 +57,7 @@ var LightClientGPO = gasprice.Config{ // Defaults contains default settings for use on the Ethereum main net. var Defaults = Config{ - SyncMode: downloader.SnapSync, - Ethash: ethash.Config{ - CacheDir: "ethash", - CachesInMem: 2, - CachesOnDisk: 3, - CachesLockMmap: false, - DatasetsInMem: 1, - DatasetsOnDisk: 2, - DatasetsLockMmap: false, - }, + SyncMode: downloader.SnapSync, NetworkId: 1, TxLookupLimit: 2350000, LightPeers: 100, @@ -92,27 +78,6 @@ var Defaults = Config{ RPCTxFeeCap: 1, // 1 ether } -func init() { - home := os.Getenv("HOME") - if home == "" { - if user, err := user.Current(); err == nil { - home = user.HomeDir - } - } - if runtime.GOOS == "darwin" { - Defaults.Ethash.DatasetDir = filepath.Join(home, "Library", "Ethash") - } else if runtime.GOOS == "windows" { - localappdata := os.Getenv("LOCALAPPDATA") - if localappdata != "" { - Defaults.Ethash.DatasetDir = filepath.Join(localappdata, "Ethash") - } else { - Defaults.Ethash.DatasetDir = filepath.Join(home, "AppData", "Local", "Ethash") - } - } else { - Defaults.Ethash.DatasetDir = filepath.Join(home, ".ethash") - } -} - //go:generate go run github.com/fjl/gencodec -type Config -formats toml -out gen_config.go // Config contains configuration options for of the ETH and LES protocols. @@ -173,9 +138,6 @@ type Config struct { // Mining options Miner miner.Config - // Ethash options - Ethash ethash.Config - // Transaction pool options TxPool txpool.Config @@ -202,34 +164,19 @@ type Config struct { OverrideCancun *uint64 `toml:",omitempty"` } -// CreateConsensusEngine creates a consensus engine for the given chain configuration. -func CreateConsensusEngine(stack *node.Node, ethashConfig *ethash.Config, cliqueConfig *params.CliqueConfig, notify []string, noverify bool, db ethdb.Database) consensus.Engine { +// CreateConsensusEngine creates a consensus engine for the given chain config. +// Clique is allowed for now to live standalone, but ethash is forbidden and can +// only exist on already merged networks. +func CreateConsensusEngine(config *params.ChainConfig, db ethdb.Database) (consensus.Engine, error) { // If proof-of-authority is requested, set it up - var engine consensus.Engine - if cliqueConfig != nil { - engine = clique.New(cliqueConfig, db) - } else { - switch ethashConfig.PowMode { - case ethash.ModeFake: - log.Warn("Ethash used in fake mode") - case ethash.ModeTest: - log.Warn("Ethash used in test mode") - case ethash.ModeShared: - log.Warn("Ethash used in shared mode") - } - engine = ethash.New(ethash.Config{ - PowMode: ethashConfig.PowMode, - CacheDir: stack.ResolvePath(ethashConfig.CacheDir), - CachesInMem: ethashConfig.CachesInMem, - CachesOnDisk: ethashConfig.CachesOnDisk, - CachesLockMmap: ethashConfig.CachesLockMmap, - DatasetDir: ethashConfig.DatasetDir, - DatasetsInMem: ethashConfig.DatasetsInMem, - DatasetsOnDisk: ethashConfig.DatasetsOnDisk, - DatasetsLockMmap: ethashConfig.DatasetsLockMmap, - NotifyFull: ethashConfig.NotifyFull, - }, notify, noverify) - engine.(*ethash.Ethash).SetThreads(-1) // Disable CPU mining + if config.Clique != nil { + return beacon.New(clique.New(config.Clique, db)), nil } - return beacon.New(engine) + // If defaulting to proof-of-work, enforce an already merged network since + // we cannot run PoW algorithms and more, so we cannot even follow a chain + // not coordinated by a beacon node. + if !config.TerminalTotalDifficultyPassed { + return nil, errors.New("ethash is only supported as a historical component of already merged networks") + } + return beacon.New(ethash.NewFaker()), nil } diff --git a/eth/ethconfig/gen_config.go b/eth/ethconfig/gen_config.go index 7d7fd3266..0e2f03774 100644 --- a/eth/ethconfig/gen_config.go +++ b/eth/ethconfig/gen_config.go @@ -6,7 +6,6 @@ import ( "time" "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/txpool" "github.com/ethereum/go-ethereum/eth/downloader" @@ -48,7 +47,6 @@ func (c Config) MarshalTOML() (interface{}, error) { Preimages bool FilterLogCacheSize int Miner miner.Config - Ethash ethash.Config TxPool txpool.Config GPO gasprice.Config EnablePreimageRecording bool @@ -90,7 +88,6 @@ func (c Config) MarshalTOML() (interface{}, error) { enc.Preimages = c.Preimages enc.FilterLogCacheSize = c.FilterLogCacheSize enc.Miner = c.Miner - enc.Ethash = c.Ethash enc.TxPool = c.TxPool enc.GPO = c.GPO enc.EnablePreimageRecording = c.EnablePreimageRecording @@ -136,7 +133,6 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error { Preimages *bool FilterLogCacheSize *int Miner *miner.Config - Ethash *ethash.Config TxPool *txpool.Config GPO *gasprice.Config EnablePreimageRecording *bool @@ -243,9 +239,6 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error { if dec.Miner != nil { c.Miner = *dec.Miner } - if dec.Ethash != nil { - c.Ethash = *dec.Ethash - } if dec.TxPool != nil { c.TxPool = *dec.TxPool } diff --git a/eth/handler.go b/eth/handler.go index d4c538e6f..f0b043166 100644 --- a/eth/handler.go +++ b/eth/handler.go @@ -207,7 +207,7 @@ func newHandler(config *handlerConfig) (*handler, error) { return errors.New("unexpected post-merge header") } } - return h.chain.Engine().VerifyHeader(h.chain, header, true) + return h.chain.Engine().VerifyHeader(h.chain, header) } heighter := func() uint64 { return h.chain.CurrentBlock().Number.Uint64() diff --git a/ethclient/ethclient_test.go b/ethclient/ethclient_test.go index 8bd8b0614..cd619862c 100644 --- a/ethclient/ethclient_test.go +++ b/ethclient/ethclient_test.go @@ -221,7 +221,6 @@ func newTestBackend(t *testing.T) (*node.Node, []*types.Block) { } // Create Ethereum Service config := ðconfig.Config{Genesis: genesis} - config.Ethash.PowMode = ethash.ModeFake ethservice, err := eth.New(n, config) if err != nil { t.Fatalf("can't create new ethereum service: %v", err) diff --git a/ethclient/gethclient/gethclient_test.go b/ethclient/gethclient/gethclient_test.go index 87456fd64..296d32848 100644 --- a/ethclient/gethclient/gethclient_test.go +++ b/ethclient/gethclient/gethclient_test.go @@ -56,7 +56,6 @@ func newTestBackend(t *testing.T) (*node.Node, []*types.Block) { } // Create Ethereum Service config := ðconfig.Config{Genesis: genesis} - config.Ethash.PowMode = ethash.ModeFake ethservice, err := eth.New(n, config) if err != nil { t.Fatalf("can't create new ethereum service: %v", err) diff --git a/graphql/graphql_test.go b/graphql/graphql_test.go index 00ad4f021..0efee51a6 100644 --- a/graphql/graphql_test.go +++ b/graphql/graphql_test.go @@ -376,10 +376,7 @@ func createNode(t *testing.T) *node.Node { func newGQLService(t *testing.T, stack *node.Node, gspec *core.Genesis, genBlocks int, genfunc func(i int, gen *core.BlockGen)) (*handler, []*types.Block) { ethConf := ðconfig.Config{ - Genesis: gspec, - Ethash: ethash.Config{ - PowMode: ethash.ModeFake, - }, + Genesis: gspec, NetworkId: 1337, TrieCleanCache: 5, TrieCleanCacheJournal: "triecache", diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go index dbd27bcae..9a0aed7b1 100644 --- a/internal/ethapi/api.go +++ b/internal/ethapi/api.go @@ -34,7 +34,6 @@ import ( "github.com/ethereum/go-ethereum/common/hexutil" "github.com/ethereum/go-ethereum/common/math" "github.com/ethereum/go-ethereum/consensus" - "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/consensus/misc" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/state" @@ -2055,15 +2054,6 @@ func (api *DebugAPI) PrintBlock(ctx context.Context, number uint64) (string, err return spew.Sdump(block), nil } -// SeedHash retrieves the seed hash of a block. -func (api *DebugAPI) SeedHash(ctx context.Context, number uint64) (string, error) { - block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number)) - if block == nil { - return "", fmt.Errorf("block #%d not found", number) - } - return fmt.Sprintf("%#x", ethash.SeedHash(number)), nil -} - // ChaindbProperty returns leveldb properties of the key-value database. func (api *DebugAPI) ChaindbProperty(property string) (string, error) { if property == "" { diff --git a/les/api_test.go b/les/api_test.go index db680da0b..ac895362a 100644 --- a/les/api_test.go +++ b/les/api_test.go @@ -30,7 +30,6 @@ import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common/hexutil" - "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/eth" ethdownloader "github.com/ethereum/go-ethereum/eth/downloader" "github.com/ethereum/go-ethereum/eth/ethconfig" @@ -495,7 +494,6 @@ func testSim(t *testing.T, serverCount, clientCount int, serverDir, clientDir [] func newLesClientService(ctx *adapters.ServiceContext, stack *node.Node) (node.Lifecycle, error) { config := ethconfig.Defaults config.SyncMode = (ethdownloader.SyncMode)(downloader.LightSync) - config.Ethash.PowMode = ethash.ModeFake return New(stack, &config) } diff --git a/les/catalyst/api_test.go b/les/catalyst/api_test.go index 54757f61d..2405499d3 100644 --- a/les/catalyst/api_test.go +++ b/les/catalyst/api_test.go @@ -223,7 +223,6 @@ func startLesService(t *testing.T, genesis *core.Genesis, headers []*types.Heade } ethcfg := ðconfig.Config{ Genesis: genesis, - Ethash: ethash.Config{PowMode: ethash.ModeFake}, SyncMode: downloader.LightSync, TrieDirtyCache: 256, TrieCleanCache: 256, @@ -236,7 +235,7 @@ func startLesService(t *testing.T, genesis *core.Genesis, headers []*types.Heade if err := n.Start(); err != nil { t.Fatal("can't start node:", err) } - if _, err := lesService.BlockChain().InsertHeaderChain(headers, 0); err != nil { + if _, err := lesService.BlockChain().InsertHeaderChain(headers); err != nil { n.Close() t.Fatal("can't import test headers:", err) } diff --git a/les/client.go b/les/client.go index 8eb46c2e6..9561ba777 100644 --- a/les/client.go +++ b/les/client.go @@ -101,6 +101,10 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) { if _, isCompat := genesisErr.(*params.ConfigCompatError); genesisErr != nil && !isCompat { return nil, genesisErr } + engine, err := ethconfig.CreateConsensusEngine(chainConfig, chainDb) + if err != nil { + return nil, err + } log.Info("") log.Info(strings.Repeat("-", 153)) for _, line := range strings.Split(chainConfig.Description(), "\n") { @@ -126,7 +130,7 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) { reqDist: newRequestDistributor(peers, &mclock.System{}), accountManager: stack.AccountManager(), merger: merger, - engine: ethconfig.CreateConsensusEngine(stack, &config.Ethash, chainConfig.Clique, nil, false, chainDb), + engine: engine, bloomRequests: make(chan chan *bloombits.Retrieval), bloomIndexer: core.NewBloomIndexer(chainDb, params.BloomBitsBlocksClient, params.HelperTrieConfirmations), p2pServer: stack.Server(), @@ -185,11 +189,6 @@ func New(stack *node.Node, config *ethconfig.Config) (*LightEthereum, error) { leth.ApiBackend.gpo = gasprice.NewOracle(leth.ApiBackend, gpoParams) leth.handler = newClientHandler(config.UltraLightServers, config.UltraLightFraction, leth) - if leth.handler.ulc != nil { - log.Warn("Ultra light client is enabled", "trustedNodes", len(leth.handler.ulc.keys), "minTrustedFraction", leth.handler.ulc.fraction) - leth.blockchain.DisableCheckFreq() - } - leth.netRPCService = ethapi.NewNetAPI(leth.p2pServer, leth.config.NetworkId) // Register the backend on the node diff --git a/les/downloader/downloader.go b/les/downloader/downloader.go index a6ebf1d2a..5ffcbfa42 100644 --- a/les/downloader/downloader.go +++ b/les/downloader/downloader.go @@ -58,11 +58,9 @@ var ( reorgProtThreshold = 48 // Threshold number of recent blocks to disable mini reorg protection reorgProtHeaderDelay = 2 // Number of headers to delay delivering to cover mini reorgs - fsHeaderCheckFrequency = 100 // Verification frequency of the downloaded headers during fast sync - fsHeaderSafetyNet = 2048 // Number of headers to discard in case a chain violation is detected - fsHeaderForceVerify = 24 // Number of headers to verify before and after the pivot to accept it - fsHeaderContCheck = 3 * time.Second // Time interval to check for header continuations during state download - fsMinFullBlocks = 64 // Number of blocks to retrieve fully even in fast sync + fsHeaderSafetyNet = 2048 // Number of headers to discard in case a chain violation is detected + fsHeaderContCheck = 3 * time.Second // Time interval to check for header continuations during state download + fsMinFullBlocks = 64 // Number of blocks to retrieve fully even in fast sync ) var ( @@ -166,7 +164,7 @@ type LightChain interface { GetTd(common.Hash, uint64) *big.Int // InsertHeaderChain inserts a batch of headers into the local chain. - InsertHeaderChain([]*types.Header, int) (int, error) + InsertHeaderChain([]*types.Header) (int, error) // SetHead rewinds the local chain to a new head. SetHead(uint64) error @@ -1604,24 +1602,11 @@ func (d *Downloader) processHeaders(origin uint64, td *big.Int) error { // In case of header only syncing, validate the chunk immediately if mode == FastSync || mode == LightSync { - // If we're importing pure headers, verify based on their recentness - var pivot uint64 - - d.pivotLock.RLock() - if d.pivotHeader != nil { - pivot = d.pivotHeader.Number.Uint64() - } - d.pivotLock.RUnlock() - - frequency := fsHeaderCheckFrequency - if chunk[len(chunk)-1].Number.Uint64()+uint64(fsHeaderForceVerify) > pivot { - frequency = 1 - } - if n, err := d.lightchain.InsertHeaderChain(chunk, frequency); err != nil { + if n, err := d.lightchain.InsertHeaderChain(chunk); err != nil { rollbackErr = err // If some headers were inserted, track them as uncertain - if (mode == FastSync || frequency > 1) && n > 0 && rollback == 0 { + if mode == FastSync && n > 0 && rollback == 0 { rollback = chunk[0].Number.Uint64() } log.Warn("Invalid header encountered", "number", chunk[n].Number, "hash", chunk[n].Hash(), "parent", chunk[n].ParentHash, "err", err) diff --git a/les/downloader/downloader_test.go b/les/downloader/downloader_test.go index 1704d3e74..ae0d5ccda 100644 --- a/les/downloader/downloader_test.go +++ b/les/downloader/downloader_test.go @@ -254,7 +254,7 @@ func (dl *downloadTester) getTd(hash common.Hash) *big.Int { } // InsertHeaderChain injects a new batch of headers into the simulated chain. -func (dl *downloadTester) InsertHeaderChain(headers []*types.Header, checkFreq int) (i int, err error) { +func (dl *downloadTester) InsertHeaderChain(headers []*types.Header) (i int, err error) { dl.lock.Lock() defer dl.lock.Unlock() // Do a quick check, as the blockchain.InsertHeaderChain doesn't insert anything in case of errors diff --git a/les/fetcher.go b/les/fetcher.go index c7a55b193..df81ca4d9 100644 --- a/les/fetcher.go +++ b/les/fetcher.go @@ -161,18 +161,11 @@ func newLightFetcher(chain *light.LightChain, engine consensus.Engine, peers *se // Construct the fetcher by offering all necessary APIs validator := func(header *types.Header) error { // Disable seal verification explicitly if we are running in ulc mode. - return engine.VerifyHeader(chain, header, ulc == nil) + return engine.VerifyHeader(chain, header) } heighter := func() uint64 { return chain.CurrentHeader().Number.Uint64() } dropper := func(id string) { peers.unregister(id) } - inserter := func(headers []*types.Header) (int, error) { - // Disable PoW checking explicitly if we are running in ulc mode. - checkFreq := 1 - if ulc != nil { - checkFreq = 0 - } - return chain.InsertHeaderChain(headers, checkFreq) - } + inserter := func(headers []*types.Header) (int, error) { return chain.InsertHeaderChain(headers) } f := &lightFetcher{ ulc: ulc, peerset: peers, diff --git a/light/lightchain.go b/light/lightchain.go index e2d236fb8..617658b85 100644 --- a/light/lightchain.go +++ b/light/lightchain.go @@ -70,9 +70,8 @@ type LightChain struct { wg sync.WaitGroup // Atomic boolean switches: - stopped atomic.Bool // whether LightChain is stopped or running - procInterrupt atomic.Bool // interrupts chain insert - disableCheckFreq atomic.Bool // disables header verification + stopped atomic.Bool // whether LightChain is stopped or running + procInterrupt atomic.Bool // interrupts chain insert } // NewLightChain returns a fully initialised light chain using information @@ -345,7 +344,7 @@ func (lc *LightChain) Rollback(chain []common.Hash) { func (lc *LightChain) InsertHeader(header *types.Header) error { // Verify the header first before obtaining the lock headers := []*types.Header{header} - if _, err := lc.hc.ValidateHeaderChain(headers, 100); err != nil { + if _, err := lc.hc.ValidateHeaderChain(headers); err != nil { return err } // Make sure only one thread manipulates the chain at once @@ -381,23 +380,15 @@ func (lc *LightChain) SetCanonical(header *types.Header) error { // InsertHeaderChain attempts to insert the given header chain in to the local // chain, possibly creating a reorg. If an error is returned, it will return the // index number of the failing header as well an error describing what went wrong. -// -// The verify parameter can be used to fine tune whether nonce verification -// should be done or not. The reason behind the optional check is because some -// of the header retrieval mechanisms already need to verify nonces, as well as -// because nonces can be verified sparsely, not needing to check each. -// + // In the case of a light chain, InsertHeaderChain also creates and posts light // chain events when necessary. -func (lc *LightChain) InsertHeaderChain(chain []*types.Header, checkFreq int) (int, error) { +func (lc *LightChain) InsertHeaderChain(chain []*types.Header) (int, error) { if len(chain) == 0 { return 0, nil } - if lc.disableCheckFreq.Load() { - checkFreq = 0 - } start := time.Now() - if i, err := lc.hc.ValidateHeaderChain(chain, checkFreq); err != nil { + if i, err := lc.hc.ValidateHeaderChain(chain); err != nil { return i, err } @@ -538,13 +529,3 @@ func (lc *LightChain) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscript func (lc *LightChain) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription { return lc.scope.Track(new(event.Feed).Subscribe(ch)) } - -// DisableCheckFreq disables header validation. This is used for ultralight mode. -func (lc *LightChain) DisableCheckFreq() { - lc.disableCheckFreq.Store(true) -} - -// EnableCheckFreq enables header validation. -func (lc *LightChain) EnableCheckFreq() { - lc.disableCheckFreq.Store(false) -} diff --git a/light/lightchain_test.go b/light/lightchain_test.go index 905d52255..e3d756f80 100644 --- a/light/lightchain_test.go +++ b/light/lightchain_test.go @@ -64,7 +64,7 @@ func newCanonical(n int) (ethdb.Database, *LightChain, error) { } // Header-only chain requested headers := makeHeaderChain(genesis.Header(), n, db, canonicalSeed) - _, err := blockchain.InsertHeaderChain(headers, 1) + _, err := blockchain.InsertHeaderChain(headers) return db, blockchain, err } @@ -99,7 +99,7 @@ func testFork(t *testing.T, LightChain *LightChain, i, n int, comparator func(td } // Extend the newly created chain headerChainB := makeHeaderChain(LightChain2.CurrentHeader(), n, db, forkSeed) - if _, err := LightChain2.InsertHeaderChain(headerChainB, 1); err != nil { + if _, err := LightChain2.InsertHeaderChain(headerChainB); err != nil { t.Fatalf("failed to insert forking chain: %v", err) } // Sanity check that the forked chain can be imported into the original @@ -120,7 +120,7 @@ func testFork(t *testing.T, LightChain *LightChain, i, n int, comparator func(td func testHeaderChainImport(chain []*types.Header, lightchain *LightChain) error { for _, header := range chain { // Try and validate the header - if err := lightchain.engine.VerifyHeader(lightchain.hc, header, true); err != nil { + if err := lightchain.engine.VerifyHeader(lightchain.hc, header); err != nil { return err } // Manually insert the header into the database, but don't reorganize (allows subsequent testing) @@ -300,8 +300,8 @@ func testReorg(t *testing.T, first, second []int, td int64) { bc := newTestLightChain() // Insert an easy and a difficult chain afterwards - bc.InsertHeaderChain(makeHeaderChainWithDiff(bc.genesisBlock, first, 11), 1) - bc.InsertHeaderChain(makeHeaderChainWithDiff(bc.genesisBlock, second, 22), 1) + bc.InsertHeaderChain(makeHeaderChainWithDiff(bc.genesisBlock, first, 11)) + bc.InsertHeaderChain(makeHeaderChainWithDiff(bc.genesisBlock, second, 22)) // Check that the chain is valid number and link wise prev := bc.CurrentHeader() for header := bc.GetHeaderByNumber(bc.CurrentHeader().Number.Uint64() - 1); header.Number.Uint64() != 0; prev, header = header, bc.GetHeaderByNumber(header.Number.Uint64()-1) { @@ -324,7 +324,7 @@ func TestBadHeaderHashes(t *testing.T) { var err error headers := makeHeaderChainWithDiff(bc.genesisBlock, []int{1, 2, 4}, 10) core.BadHashes[headers[2].Hash()] = true - if _, err = bc.InsertHeaderChain(headers, 1); !errors.Is(err, core.ErrBannedHash) { + if _, err = bc.InsertHeaderChain(headers); !errors.Is(err, core.ErrBannedHash) { t.Errorf("error mismatch: have: %v, want %v", err, core.ErrBannedHash) } } @@ -337,7 +337,7 @@ func TestReorgBadHeaderHashes(t *testing.T) { // Create a chain, import and ban afterwards headers := makeHeaderChainWithDiff(bc.genesisBlock, []int{1, 2, 3, 4}, 10) - if _, err := bc.InsertHeaderChain(headers, 1); err != nil { + if _, err := bc.InsertHeaderChain(headers); err != nil { t.Fatalf("failed to import headers: %v", err) } if bc.CurrentHeader().Hash() != headers[3].Hash() { diff --git a/light/odr_test.go b/light/odr_test.go index 5c15ae5af..0df1fbf2f 100644 --- a/light/odr_test.go +++ b/light/odr_test.go @@ -292,7 +292,7 @@ func testChainOdr(t *testing.T, protocol int, fn odrTestFn) { for i, block := range gchain { headers[i] = block.Header() } - if _, err := lightchain.InsertHeaderChain(headers, 1); err != nil { + if _, err := lightchain.InsertHeaderChain(headers); err != nil { t.Fatal(err) } diff --git a/light/txpool_test.go b/light/txpool_test.go index 02f982d9a..1181e3889 100644 --- a/light/txpool_test.go +++ b/light/txpool_test.go @@ -122,7 +122,7 @@ func TestTxPool(t *testing.T) { } } - if _, err := lightchain.InsertHeaderChain([]*types.Header{block.Header()}, 1); err != nil { + if _, err := lightchain.InsertHeaderChain([]*types.Header{block.Header()}); err != nil { panic(err) } diff --git a/miner/miner.go b/miner/miner.go index c969aec73..b1d1f7c4c 100644 --- a/miner/miner.go +++ b/miner/miner.go @@ -45,15 +45,12 @@ type Backend interface { // Config is the configuration parameters of mining. type Config struct { - Etherbase common.Address `toml:",omitempty"` // Public address for block mining rewards - Notify []string `toml:",omitempty"` // HTTP URL list to be notified of new work packages (only useful in ethash). - NotifyFull bool `toml:",omitempty"` // Notify with pending block headers instead of work packages - ExtraData hexutil.Bytes `toml:",omitempty"` // Block extra data set by the miner - GasFloor uint64 // Target gas floor for mined blocks. - GasCeil uint64 // Target gas ceiling for mined blocks. - GasPrice *big.Int // Minimum gas price for mining a transaction - Recommit time.Duration // The time interval for miner to re-create mining work. - Noverify bool // Disable remote mining solution verification(only useful in ethash). + Etherbase common.Address `toml:",omitempty"` // Public address for block mining rewards + ExtraData hexutil.Bytes `toml:",omitempty"` // Block extra data set by the miner + GasFloor uint64 // Target gas floor for mined blocks. + GasCeil uint64 // Target gas ceiling for mined blocks. + GasPrice *big.Int // Minimum gas price for mining a transaction + Recommit time.Duration // The time interval for miner to re-create mining work. NewPayloadTimeout time.Duration // The maximum time allowance for creating a new payload } diff --git a/miner/stress/1559/main.go b/miner/stress/1559/main.go deleted file mode 100644 index 2e8b78d85..000000000 --- a/miner/stress/1559/main.go +++ /dev/null @@ -1,264 +0,0 @@ -// Copyright 2021 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 . - -// This file contains a miner stress test for eip 1559. -package main - -import ( - "crypto/ecdsa" - crand "crypto/rand" - "math/big" - "math/rand" - "os" - "os/signal" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/fdlimit" - "github.com/ethereum/go-ethereum/consensus/ethash" - "github.com/ethereum/go-ethereum/core" - "github.com/ethereum/go-ethereum/core/txpool" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/crypto" - "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/log" - "github.com/ethereum/go-ethereum/miner" - "github.com/ethereum/go-ethereum/node" - "github.com/ethereum/go-ethereum/p2p" - "github.com/ethereum/go-ethereum/p2p/enode" - "github.com/ethereum/go-ethereum/params" -) - -var ( - londonBlock = big.NewInt(30) // Predefined london fork block for activating eip 1559. -) - -func main() { - log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(true)))) - fdlimit.Raise(2048) - - // Generate a batch of accounts to seal and fund with - faucets := make([]*ecdsa.PrivateKey, 128) - for i := 0; i < len(faucets); i++ { - faucets[i], _ = crypto.GenerateKey() - } - // Pre-generate the ethash mining DAG so we don't race - ethash.MakeDataset(1, ethconfig.Defaults.Ethash.DatasetDir) - - // Create an Ethash network - genesis := makeGenesis(faucets) - - // Handle interrupts. - interruptCh := make(chan os.Signal, 5) - signal.Notify(interruptCh, os.Interrupt) - - var ( - stacks []*node.Node - nodes []*eth.Ethereum - enodes []*enode.Node - ) - for i := 0; i < 4; i++ { - // Start the node and wait until it's up - stack, ethBackend, err := makeMiner(genesis) - if err != nil { - panic(err) - } - defer stack.Close() - - for stack.Server().NodeInfo().Ports.Listener == 0 { - time.Sleep(250 * time.Millisecond) - } - // Connect the node to all the previous ones - for _, n := range enodes { - stack.Server().AddPeer(n) - } - // Start tracking the node and its enode - nodes = append(nodes, ethBackend) - enodes = append(enodes, stack.Server().Self()) - } - - // Iterate over all the nodes and start mining - time.Sleep(3 * time.Second) - for _, node := range nodes { - if err := node.StartMining(1); err != nil { - panic(err) - } - } - time.Sleep(3 * time.Second) - - // Start injecting transactions from the faucets like crazy - var ( - nonces = make([]uint64, len(faucets)) - - // The signer activates the 1559 features even before the fork, - // so the new 1559 txs can be created with this signer. - signer = types.LatestSignerForChainID(genesis.Config.ChainID) - ) - for { - // Stop when interrupted. - select { - case <-interruptCh: - for _, node := range stacks { - node.Close() - } - return - default: - } - - // Pick a random mining node - index := rand.Intn(len(faucets)) - backend := nodes[index%len(nodes)] - - headHeader := backend.BlockChain().CurrentHeader() - baseFee := headHeader.BaseFee - - // Create a self transaction and inject into the pool. The legacy - // and 1559 transactions can all be created by random even if the - // fork is not happened. - tx := makeTransaction(nonces[index], faucets[index], signer, baseFee) - if err := backend.TxPool().AddLocal(tx); err != nil { - continue - } - nonces[index]++ - - // Wait if we're too saturated - if pend, _ := backend.TxPool().Stats(); pend > 4192 { - time.Sleep(100 * time.Millisecond) - } - - // Wait if the basefee is raised too fast - if baseFee != nil && baseFee.Cmp(new(big.Int).Mul(big.NewInt(100), big.NewInt(params.GWei))) > 0 { - time.Sleep(500 * time.Millisecond) - } - } -} - -func makeTransaction(nonce uint64, privKey *ecdsa.PrivateKey, signer types.Signer, baseFee *big.Int) *types.Transaction { - // Generate legacy transaction - if rand.Intn(2) == 0 { - tx, err := types.SignTx(types.NewTransaction(nonce, crypto.PubkeyToAddress(privKey.PublicKey), new(big.Int), 21000, big.NewInt(100000000000+rand.Int63n(65536)), nil), signer, privKey) - if err != nil { - panic(err) - } - return tx - } - // Generate eip 1559 transaction - recipient := crypto.PubkeyToAddress(privKey.PublicKey) - - // Feecap and feetip are limited to 32 bytes. Offer a sightly - // larger buffer for creating both valid and invalid transactions. - var buf = make([]byte, 32+5) - crand.Read(buf) - gasTipCap := new(big.Int).SetBytes(buf) - - // If the given base fee is nil(the 1559 is still not available), - // generate a fake base fee in order to create 1559 tx forcibly. - if baseFee == nil { - baseFee = new(big.Int).SetInt64(int64(rand.Int31())) - } - // Generate the feecap, 75% valid feecap and 25% unguaranteed. - var gasFeeCap *big.Int - if rand.Intn(4) == 0 { - crand.Read(buf) - gasFeeCap = new(big.Int).SetBytes(buf) - } else { - gasFeeCap = new(big.Int).Add(baseFee, gasTipCap) - } - return types.MustSignNewTx(privKey, signer, &types.DynamicFeeTx{ - ChainID: signer.ChainID(), - Nonce: nonce, - GasTipCap: gasTipCap, - GasFeeCap: gasFeeCap, - Gas: 21000, - To: &recipient, - Value: big.NewInt(100), - Data: nil, - AccessList: nil, - }) -} - -// makeGenesis creates a custom Ethash genesis block based on some pre-defined -// faucet accounts. -func makeGenesis(faucets []*ecdsa.PrivateKey) *core.Genesis { - genesis := core.DefaultGenesisBlock() - - genesis.Config = params.AllEthashProtocolChanges - genesis.Config.LondonBlock = londonBlock - genesis.Difficulty = params.MinimumDifficulty - - // Small gaslimit for easier basefee moving testing. - genesis.GasLimit = 8_000_000 - - genesis.Config.ChainID = big.NewInt(18) - - genesis.Alloc = core.GenesisAlloc{} - for _, faucet := range faucets { - genesis.Alloc[crypto.PubkeyToAddress(faucet.PublicKey)] = core.GenesisAccount{ - Balance: new(big.Int).Exp(big.NewInt(2), big.NewInt(128), nil), - } - } - if londonBlock.Sign() == 0 { - log.Info("Enabled the eip 1559 by default") - } else { - log.Info("Registered the london fork", "number", londonBlock) - } - return genesis -} - -func makeMiner(genesis *core.Genesis) (*node.Node, *eth.Ethereum, error) { - // Define the basic configurations for the Ethereum node - datadir, _ := os.MkdirTemp("", "") - - config := &node.Config{ - Name: "geth", - Version: params.Version, - DataDir: datadir, - P2P: p2p.Config{ - ListenAddr: "0.0.0.0:0", - NoDiscovery: true, - MaxPeers: 25, - }, - UseLightweightKDF: true, - } - // Create the node and configure a full Ethereum node on it - stack, err := node.New(config) - if err != nil { - return nil, nil, err - } - ethBackend, err := eth.New(stack, ðconfig.Config{ - Genesis: genesis, - NetworkId: genesis.Config.ChainID.Uint64(), - SyncMode: downloader.FullSync, - DatabaseCache: 256, - DatabaseHandles: 256, - TxPool: txpool.DefaultConfig, - GPO: ethconfig.Defaults.GPO, - Ethash: ethconfig.Defaults.Ethash, - Miner: miner.Config{ - Etherbase: common.Address{1}, - GasCeil: genesis.GasLimit * 11 / 10, - GasPrice: big.NewInt(1), - Recommit: time.Second, - }, - }) - if err != nil { - return nil, nil, err - } - err = stack.Start() - return stack, ethBackend, err -} diff --git a/miner/stress/beacon/main.go b/miner/stress/beacon/main.go deleted file mode 100644 index 65318f1a0..000000000 --- a/miner/stress/beacon/main.go +++ /dev/null @@ -1,558 +0,0 @@ -// Copyright 2021 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 . - -// This file contains a miner stress test for the eth1/2 transition -package main - -import ( - "crypto/ecdsa" - "errors" - "math/big" - "math/rand" - "os" - "path/filepath" - "time" - - "github.com/ethereum/go-ethereum/accounts/keystore" - "github.com/ethereum/go-ethereum/beacon/engine" - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/fdlimit" - "github.com/ethereum/go-ethereum/consensus/ethash" - "github.com/ethereum/go-ethereum/core" - "github.com/ethereum/go-ethereum/core/txpool" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/eth" - ethcatalyst "github.com/ethereum/go-ethereum/eth/catalyst" - "github.com/ethereum/go-ethereum/eth/downloader" - "github.com/ethereum/go-ethereum/eth/ethconfig" - "github.com/ethereum/go-ethereum/les" - lescatalyst "github.com/ethereum/go-ethereum/les/catalyst" - "github.com/ethereum/go-ethereum/log" - "github.com/ethereum/go-ethereum/miner" - "github.com/ethereum/go-ethereum/node" - "github.com/ethereum/go-ethereum/p2p" - "github.com/ethereum/go-ethereum/p2p/enode" - "github.com/ethereum/go-ethereum/params" -) - -type nodetype int - -const ( - legacyMiningNode nodetype = iota - legacyNormalNode - eth2MiningNode - eth2NormalNode - eth2LightClient -) - -func (typ nodetype) String() string { - switch typ { - case legacyMiningNode: - return "legacyMiningNode" - case legacyNormalNode: - return "legacyNormalNode" - case eth2MiningNode: - return "eth2MiningNode" - case eth2NormalNode: - return "eth2NormalNode" - case eth2LightClient: - return "eth2LightClient" - default: - return "undefined" - } -} - -var ( - // transitionDifficulty is the target total difficulty for transition - transitionDifficulty = new(big.Int).Mul(big.NewInt(20), params.MinimumDifficulty) - - // blockInterval is the time interval for creating a new eth2 block - blockIntervalInt = 3 - blockInterval = time.Second * time.Duration(blockIntervalInt) - - // finalizationDist is the block distance for finalizing block - finalizationDist = 10 -) - -type ethNode struct { - typ nodetype - stack *node.Node - enode *enode.Node - api *ethcatalyst.ConsensusAPI - ethBackend *eth.Ethereum - lapi *lescatalyst.ConsensusAPI - lesBackend *les.LightEthereum -} - -func newNode(typ nodetype, genesis *core.Genesis, enodes []*enode.Node) *ethNode { - var ( - err error - api *ethcatalyst.ConsensusAPI - lapi *lescatalyst.ConsensusAPI - stack *node.Node - ethBackend *eth.Ethereum - lesBackend *les.LightEthereum - ) - // Start the node and wait until it's up - if typ == eth2LightClient { - stack, lesBackend, lapi, err = makeLightNode(genesis) - } else { - stack, ethBackend, api, err = makeFullNode(genesis) - } - if err != nil { - panic(err) - } - for stack.Server().NodeInfo().Ports.Listener == 0 { - time.Sleep(250 * time.Millisecond) - } - // Connect the node to all the previous ones - for _, n := range enodes { - stack.Server().AddPeer(n) - } - enode := stack.Server().Self() - - // Inject the signer key and start sealing with it - stack.AccountManager().AddBackend(keystore.NewPlaintextKeyStore("beacon-stress")) - ks := stack.AccountManager().Backends(keystore.KeyStoreType) - if len(ks) == 0 { - panic("Keystore is not available") - } - store := ks[0].(*keystore.KeyStore) - if _, err := store.NewAccount(""); err != nil { - panic(err) - } - return ðNode{ - typ: typ, - api: api, - ethBackend: ethBackend, - lapi: lapi, - lesBackend: lesBackend, - stack: stack, - enode: enode, - } -} - -func (n *ethNode) assembleBlock(parentHash common.Hash, parentTimestamp uint64) (*engine.ExecutableData, error) { - if n.typ != eth2MiningNode { - return nil, errors.New("invalid node type") - } - timestamp := uint64(time.Now().Unix()) - if timestamp <= parentTimestamp { - timestamp = parentTimestamp + 1 - } - payloadAttribute := engine.PayloadAttributes{ - Timestamp: timestamp, - Random: common.Hash{}, - SuggestedFeeRecipient: common.HexToAddress("0xdeadbeef"), - } - fcState := engine.ForkchoiceStateV1{ - HeadBlockHash: parentHash, - SafeBlockHash: common.Hash{}, - FinalizedBlockHash: common.Hash{}, - } - payload, err := n.api.ForkchoiceUpdatedV1(fcState, &payloadAttribute) - if err != nil { - return nil, err - } - time.Sleep(time.Second * 5) // give enough time for block creation - return n.api.GetPayloadV1(*payload.PayloadID) -} - -func (n *ethNode) insertBlock(eb engine.ExecutableData) error { - if !eth2types(n.typ) { - return errors.New("invalid node type") - } - switch n.typ { - case eth2NormalNode, eth2MiningNode: - newResp, err := n.api.NewPayloadV1(eb) - if err != nil { - return err - } else if newResp.Status != "VALID" { - return errors.New("failed to insert block") - } - return nil - case eth2LightClient: - newResp, err := n.lapi.ExecutePayloadV1(eb) - if err != nil { - return err - } else if newResp.Status != "VALID" { - return errors.New("failed to insert block") - } - return nil - default: - return errors.New("undefined node") - } -} - -func (n *ethNode) insertBlockAndSetHead(parent *types.Header, ed engine.ExecutableData) error { - if !eth2types(n.typ) { - return errors.New("invalid node type") - } - if err := n.insertBlock(ed); err != nil { - return err - } - block, err := engine.ExecutableDataToBlock(ed) - if err != nil { - return err - } - fcState := engine.ForkchoiceStateV1{ - HeadBlockHash: block.ParentHash(), - SafeBlockHash: common.Hash{}, - FinalizedBlockHash: common.Hash{}, - } - switch n.typ { - case eth2NormalNode, eth2MiningNode: - if _, err := n.api.ForkchoiceUpdatedV1(fcState, nil); err != nil { - return err - } - return nil - case eth2LightClient: - if _, err := n.lapi.ForkchoiceUpdatedV1(fcState, nil); err != nil { - return err - } - return nil - default: - return errors.New("undefined node") - } -} - -type nodeManager struct { - genesis *core.Genesis - genesisBlock *types.Block - nodes []*ethNode - enodes []*enode.Node - close chan struct{} -} - -func newNodeManager(genesis *core.Genesis) *nodeManager { - return &nodeManager{ - close: make(chan struct{}), - genesis: genesis, - genesisBlock: genesis.ToBlock(), - } -} - -func (mgr *nodeManager) createNode(typ nodetype) { - node := newNode(typ, mgr.genesis, mgr.enodes) - mgr.nodes = append(mgr.nodes, node) - mgr.enodes = append(mgr.enodes, node.enode) -} - -func (mgr *nodeManager) getNodes(typ nodetype) []*ethNode { - var ret []*ethNode - for _, node := range mgr.nodes { - if node.typ == typ { - ret = append(ret, node) - } - } - return ret -} - -func (mgr *nodeManager) startMining() { - for _, node := range append(mgr.getNodes(eth2MiningNode), mgr.getNodes(legacyMiningNode)...) { - if err := node.ethBackend.StartMining(1); err != nil { - panic(err) - } - } -} - -func (mgr *nodeManager) shutdown() { - close(mgr.close) - for _, node := range mgr.nodes { - node.stack.Close() - } -} - -func (mgr *nodeManager) run() { - if len(mgr.nodes) == 0 { - return - } - chain := mgr.nodes[0].ethBackend.BlockChain() - sink := make(chan core.ChainHeadEvent, 1024) - sub := chain.SubscribeChainHeadEvent(sink) - defer sub.Unsubscribe() - - var ( - transitioned bool - parentBlock *types.Block - waitFinalise []*types.Block - ) - timer := time.NewTimer(0) - defer timer.Stop() - <-timer.C // discard the initial tick - - // Handle the by default transition. - if transitionDifficulty.Sign() == 0 { - transitioned = true - parentBlock = mgr.genesisBlock - timer.Reset(blockInterval) - log.Info("Enable the transition by default") - } - - // Handle the block finalization. - checkFinalise := func() { - if parentBlock == nil { - return - } - if len(waitFinalise) == 0 { - return - } - oldest := waitFinalise[0] - if oldest.NumberU64() > parentBlock.NumberU64() { - return - } - distance := parentBlock.NumberU64() - oldest.NumberU64() - if int(distance) < finalizationDist { - return - } - nodes := mgr.getNodes(eth2MiningNode) - nodes = append(nodes, mgr.getNodes(eth2NormalNode)...) - //nodes = append(nodes, mgr.getNodes(eth2LightClient)...) - for _, node := range nodes { - fcState := engine.ForkchoiceStateV1{ - HeadBlockHash: parentBlock.Hash(), - SafeBlockHash: oldest.Hash(), - FinalizedBlockHash: oldest.Hash(), - } - node.api.ForkchoiceUpdatedV1(fcState, nil) - } - log.Info("Finalised eth2 block", "number", oldest.NumberU64(), "hash", oldest.Hash()) - waitFinalise = waitFinalise[1:] - } - - for { - checkFinalise() - select { - case <-mgr.close: - return - - case ev := <-sink: - if transitioned { - continue - } - td := chain.GetTd(ev.Block.Hash(), ev.Block.NumberU64()) - if td.Cmp(transitionDifficulty) < 0 { - continue - } - transitioned, parentBlock = true, ev.Block - timer.Reset(blockInterval) - log.Info("Transition difficulty reached", "td", td, "target", transitionDifficulty, "number", ev.Block.NumberU64(), "hash", ev.Block.Hash()) - - case <-timer.C: - producers := mgr.getNodes(eth2MiningNode) - if len(producers) == 0 { - continue - } - hash, timestamp := parentBlock.Hash(), parentBlock.Time() - if parentBlock.NumberU64() == 0 { - timestamp = uint64(time.Now().Unix()) - uint64(blockIntervalInt) - } - ed, err := producers[0].assembleBlock(hash, timestamp) - if err != nil { - log.Error("Failed to assemble the block", "err", err) - continue - } - block, _ := engine.ExecutableDataToBlock(*ed) - - nodes := mgr.getNodes(eth2MiningNode) - nodes = append(nodes, mgr.getNodes(eth2NormalNode)...) - nodes = append(nodes, mgr.getNodes(eth2LightClient)...) - for _, node := range nodes { - if err := node.insertBlockAndSetHead(parentBlock.Header(), *ed); err != nil { - log.Error("Failed to insert block", "type", node.typ, "err", err) - } - } - log.Info("Create and insert eth2 block", "number", ed.Number) - parentBlock = block - waitFinalise = append(waitFinalise, block) - timer.Reset(blockInterval) - } - } -} - -func main() { - log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(true)))) - fdlimit.Raise(2048) - - // Generate a batch of accounts to seal and fund with - faucets := make([]*ecdsa.PrivateKey, 16) - for i := 0; i < len(faucets); i++ { - faucets[i], _ = crypto.GenerateKey() - } - // Pre-generate the ethash mining DAG so we don't race - ethash.MakeDataset(1, filepath.Join(os.Getenv("HOME"), ".ethash")) - - // Create an Ethash network - genesis := makeGenesis(faucets) - manager := newNodeManager(genesis) - defer manager.shutdown() - - manager.createNode(eth2NormalNode) - manager.createNode(eth2MiningNode) - manager.createNode(legacyMiningNode) - manager.createNode(legacyNormalNode) - manager.createNode(eth2LightClient) - - // Iterate over all the nodes and start mining - time.Sleep(3 * time.Second) - if transitionDifficulty.Sign() != 0 { - manager.startMining() - } - go manager.run() - - // Start injecting transactions from the faucets like crazy - time.Sleep(3 * time.Second) - nonces := make([]uint64, len(faucets)) - for { - // Pick a random mining node - nodes := manager.getNodes(eth2MiningNode) - - index := rand.Intn(len(faucets)) - 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(10_000_000_000+rand.Int63n(6_553_600_000)), nil), types.HomesteadSigner{}, faucets[index]) - if err != nil { - panic(err) - } - if err := node.ethBackend.TxPool().AddLocal(tx); err != nil { - panic(err) - } - nonces[index]++ - - // Wait if we're too saturated - if pend, _ := node.ethBackend.TxPool().Stats(); pend > 2048 { - time.Sleep(100 * time.Millisecond) - } - } -} - -// makeGenesis creates a custom Ethash genesis block based on some pre-defined -// faucet accounts. -func makeGenesis(faucets []*ecdsa.PrivateKey) *core.Genesis { - genesis := core.DefaultGenesisBlock() - genesis.Difficulty = params.MinimumDifficulty - genesis.GasLimit = 25000000 - - genesis.BaseFee = big.NewInt(params.InitialBaseFee) - genesis.Config = params.AllEthashProtocolChanges - genesis.Config.TerminalTotalDifficulty = transitionDifficulty - - genesis.Alloc = core.GenesisAlloc{} - for _, faucet := range faucets { - genesis.Alloc[crypto.PubkeyToAddress(faucet.PublicKey)] = core.GenesisAccount{ - Balance: new(big.Int).Exp(big.NewInt(2), big.NewInt(128), nil), - } - } - return genesis -} - -func makeFullNode(genesis *core.Genesis) (*node.Node, *eth.Ethereum, *ethcatalyst.ConsensusAPI, error) { - // Define the basic configurations for the Ethereum node - datadir, _ := os.MkdirTemp("", "") - - config := &node.Config{ - Name: "geth", - Version: params.Version, - DataDir: datadir, - P2P: p2p.Config{ - ListenAddr: "0.0.0.0:0", - NoDiscovery: true, - MaxPeers: 25, - }, - UseLightweightKDF: true, - } - // Create the node and configure a full Ethereum node on it - stack, err := node.New(config) - if err != nil { - return nil, nil, nil, err - } - econfig := ðconfig.Config{ - Genesis: genesis, - NetworkId: genesis.Config.ChainID.Uint64(), - SyncMode: downloader.FullSync, - DatabaseCache: 256, - DatabaseHandles: 256, - TxPool: txpool.DefaultConfig, - GPO: ethconfig.Defaults.GPO, - Ethash: ethconfig.Defaults.Ethash, - Miner: miner.Config{ - GasFloor: genesis.GasLimit * 9 / 10, - GasCeil: genesis.GasLimit * 11 / 10, - GasPrice: big.NewInt(1), - Recommit: 1 * time.Second, - }, - LightServ: 100, - LightPeers: 10, - LightNoSyncServe: true, - } - ethBackend, err := eth.New(stack, econfig) - if err != nil { - return nil, nil, nil, err - } - _, err = les.NewLesServer(stack, ethBackend, econfig) - if err != nil { - log.Crit("Failed to create the LES server", "err", err) - } - err = stack.Start() - return stack, ethBackend, ethcatalyst.NewConsensusAPI(ethBackend), err -} - -func makeLightNode(genesis *core.Genesis) (*node.Node, *les.LightEthereum, *lescatalyst.ConsensusAPI, error) { - // Define the basic configurations for the Ethereum node - datadir, _ := os.MkdirTemp("", "") - - config := &node.Config{ - Name: "geth", - Version: params.Version, - DataDir: datadir, - P2P: p2p.Config{ - ListenAddr: "0.0.0.0:0", - NoDiscovery: true, - MaxPeers: 25, - }, - UseLightweightKDF: true, - } - // Create the node and configure a full Ethereum node on it - stack, err := node.New(config) - if err != nil { - return nil, nil, nil, err - } - lesBackend, err := les.New(stack, ðconfig.Config{ - Genesis: genesis, - NetworkId: genesis.Config.ChainID.Uint64(), - SyncMode: downloader.LightSync, - DatabaseCache: 256, - DatabaseHandles: 256, - TxPool: txpool.DefaultConfig, - GPO: ethconfig.Defaults.GPO, - Ethash: ethconfig.Defaults.Ethash, - LightPeers: 10, - }) - if err != nil { - return nil, nil, nil, err - } - err = stack.Start() - return stack, lesBackend, lescatalyst.NewConsensusAPI(lesBackend), err -} - -func eth2types(typ nodetype) bool { - if typ == eth2LightClient || typ == eth2NormalNode || typ == eth2MiningNode { - return true - } - return false -} diff --git a/miner/stress/clique/main.go b/miner/stress/clique/main.go index 74962c6d5..16a8687da 100644 --- a/miner/stress/clique/main.go +++ b/miner/stress/clique/main.go @@ -104,7 +104,7 @@ func main() { // Iterate over all the nodes and start signing on them time.Sleep(3 * time.Second) for _, node := range nodes { - if err := node.StartMining(1); err != nil { + if err := node.StartMining(); err != nil { panic(err) } } diff --git a/miner/stress/ethash/main.go b/miner/stress/ethash/main.go deleted file mode 100644 index 6905bf01f..000000000 --- a/miner/stress/ethash/main.go +++ /dev/null @@ -1,194 +0,0 @@ -// Copyright 2018 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 . - -// This file contains a miner stress test based on the Ethash consensus engine. -package main - -import ( - "crypto/ecdsa" - "math/big" - "math/rand" - "os" - "os/signal" - "time" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/fdlimit" - "github.com/ethereum/go-ethereum/consensus/ethash" - "github.com/ethereum/go-ethereum/core" - "github.com/ethereum/go-ethereum/core/txpool" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/crypto" - "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/log" - "github.com/ethereum/go-ethereum/miner" - "github.com/ethereum/go-ethereum/node" - "github.com/ethereum/go-ethereum/p2p" - "github.com/ethereum/go-ethereum/p2p/enode" - "github.com/ethereum/go-ethereum/params" -) - -func main() { - log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(true)))) - fdlimit.Raise(2048) - - // Generate a batch of accounts to seal and fund with - faucets := make([]*ecdsa.PrivateKey, 128) - for i := 0; i < len(faucets); i++ { - faucets[i], _ = crypto.GenerateKey() - } - // Pre-generate the ethash mining DAG so we don't race - ethash.MakeDataset(1, ethconfig.Defaults.Ethash.DatasetDir) - - // Create an Ethash network - genesis := makeGenesis(faucets) - - // Handle interrupts. - interruptCh := make(chan os.Signal, 5) - signal.Notify(interruptCh, os.Interrupt) - - var ( - stacks []*node.Node - nodes []*eth.Ethereum - enodes []*enode.Node - ) - for i := 0; i < 4; i++ { - // Start the node and wait until it's up - stack, ethBackend, err := makeMiner(genesis) - if err != nil { - panic(err) - } - defer stack.Close() - - for stack.Server().NodeInfo().Ports.Listener == 0 { - time.Sleep(250 * time.Millisecond) - } - // Connect the node to all the previous ones - for _, n := range enodes { - stack.Server().AddPeer(n) - } - // Start tracking the node and its enode - stacks = append(stacks, stack) - nodes = append(nodes, ethBackend) - enodes = append(enodes, stack.Server().Self()) - } - - // Iterate over all the nodes and start mining - time.Sleep(3 * time.Second) - for _, node := range nodes { - if err := node.StartMining(1); err != nil { - panic(err) - } - } - time.Sleep(3 * time.Second) - - // Start injecting transactions from the faucets like crazy - nonces := make([]uint64, len(faucets)) - for { - // Stop when interrupted. - select { - case <-interruptCh: - for _, node := range stacks { - node.Close() - } - return - default: - } - - // Pick a random mining node - index := rand.Intn(len(faucets)) - backend := 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]) - if err != nil { - panic(err) - } - if err := backend.TxPool().AddLocal(tx); err != nil { - panic(err) - } - nonces[index]++ - - // Wait if we're too saturated - if pend, _ := backend.TxPool().Stats(); pend > 2048 { - time.Sleep(100 * time.Millisecond) - } - } -} - -// makeGenesis creates a custom Ethash genesis block based on some pre-defined -// faucet accounts. -func makeGenesis(faucets []*ecdsa.PrivateKey) *core.Genesis { - genesis := core.DefaultGenesisBlock() - genesis.Difficulty = params.MinimumDifficulty - genesis.GasLimit = 25000000 - - genesis.Config.ChainID = big.NewInt(18) - - genesis.Alloc = core.GenesisAlloc{} - for _, faucet := range faucets { - genesis.Alloc[crypto.PubkeyToAddress(faucet.PublicKey)] = core.GenesisAccount{ - Balance: new(big.Int).Exp(big.NewInt(2), big.NewInt(128), nil), - } - } - return genesis -} - -func makeMiner(genesis *core.Genesis) (*node.Node, *eth.Ethereum, error) { - // Define the basic configurations for the Ethereum node - datadir, _ := os.MkdirTemp("", "") - - config := &node.Config{ - Name: "geth", - Version: params.Version, - DataDir: datadir, - P2P: p2p.Config{ - ListenAddr: "0.0.0.0:0", - NoDiscovery: true, - MaxPeers: 25, - }, - UseLightweightKDF: true, - } - // Create the node and configure a full Ethereum node on it - stack, err := node.New(config) - if err != nil { - return nil, nil, err - } - ethBackend, err := eth.New(stack, ðconfig.Config{ - Genesis: genesis, - NetworkId: genesis.Config.ChainID.Uint64(), - SyncMode: downloader.FullSync, - DatabaseCache: 256, - DatabaseHandles: 256, - TxPool: txpool.DefaultConfig, - GPO: ethconfig.Defaults.GPO, - Ethash: ethconfig.Defaults.Ethash, - Miner: miner.Config{ - Etherbase: common.Address{1}, - GasCeil: genesis.GasLimit * 11 / 10, - GasPrice: big.NewInt(1), - Recommit: time.Second, - }, - }) - if err != nil { - return nil, nil, err - } - - err = stack.Start() - return stack, ethBackend, err -} diff --git a/miner/worker_test.go b/miner/worker_test.go index 9db64a240..683d019d2 100644 --- a/miner/worker_test.go +++ b/miner/worker_test.go @@ -208,10 +208,6 @@ func newTestWorker(t *testing.T, chainConfig *params.ChainConfig, engine consens return w, backend } -func TestGenerateBlockAndImportEthash(t *testing.T) { - testGenerateBlockAndImport(t, false) -} - func TestGenerateBlockAndImportClique(t *testing.T) { testGenerateBlockAndImport(t, true) } diff --git a/params/config.go b/params/config.go index 9ea2b150b..c1614bdba 100644 --- a/params/config.go +++ b/params/config.go @@ -152,7 +152,7 @@ var ( CancunTime: nil, PragueTime: nil, TerminalTotalDifficulty: nil, - TerminalTotalDifficultyPassed: false, + TerminalTotalDifficultyPassed: true, Ethash: new(EthashConfig), Clique: nil, } diff --git a/tests/block_test_util.go b/tests/block_test_util.go index b74653ea6..45b7e49ae 100644 --- a/tests/block_test_util.go +++ b/tests/block_test_util.go @@ -29,7 +29,6 @@ import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common/hexutil" "github.com/ethereum/go-ethereum/common/math" - "github.com/ethereum/go-ethereum/consensus" "github.com/ethereum/go-ethereum/consensus/beacon" "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/core" @@ -117,14 +116,8 @@ func (t *BlockTest) Run(snapshotter bool) error { if gblock.Root() != t.json.Genesis.StateRoot { return fmt.Errorf("genesis block state root does not match test: computed=%x, test=%x", gblock.Root().Bytes()[:6], t.json.Genesis.StateRoot[:6]) } - var engine consensus.Engine - if t.json.SealEngine == "NoProof" { - engine = ethash.NewFaker() - } else { - engine = ethash.NewShared() - } // Wrap the original engine within the beacon-engine - engine = beacon.New(engine) + engine := beacon.New(ethash.NewFaker()) cache := &core.CacheConfig{TrieCleanLimit: 0} if snapshotter {