forked from cerc-io/plugeth
all: swap out the C++ ethash to the pure Go one (mining todo)
This commit is contained in:
parent
3b00a77de5
commit
567d41d936
@ -33,6 +33,7 @@ import (
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/pow"
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"golang.org/x/net/context"
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)
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@ -62,7 +63,7 @@ type SimulatedBackend struct {
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func NewSimulatedBackend(accounts ...core.GenesisAccount) *SimulatedBackend {
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database, _ := ethdb.NewMemDatabase()
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core.WriteGenesisBlockForTesting(database, accounts...)
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blockchain, _ := core.NewBlockChain(database, chainConfig, new(core.FakePow), new(event.TypeMux), vm.Config{})
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blockchain, _ := core.NewBlockChain(database, chainConfig, new(pow.FakePow), new(event.TypeMux), vm.Config{})
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backend := &SimulatedBackend{database: database, blockchain: blockchain}
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backend.rollback()
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return backend
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@ -28,7 +28,6 @@ import (
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"strconv"
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"strings"
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"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/accounts/keystore"
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"github.com/ethereum/go-ethereum/common"
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@ -922,11 +921,11 @@ func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chai
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}
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chainConfig := MakeChainConfigFromDb(ctx, chainDb)
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pow := pow.PoW(core.FakePow{})
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seal := pow.PoW(pow.FakePow{})
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if !ctx.GlobalBool(FakePoWFlag.Name) {
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pow = ethash.New()
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seal = pow.NewFullEthash("", "")
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}
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chain, err = core.NewBlockChain(chainDb, chainConfig, pow, new(event.TypeMux), vm.Config{EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name)})
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chain, err = core.NewBlockChain(chainDb, chainConfig, seal, new(event.TypeMux), vm.Config{EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name)})
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if err != nil {
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Fatalf("Could not start chainmanager: %v", err)
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}
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@ -31,6 +31,7 @@ import (
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/pow"
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)
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func BenchmarkInsertChain_empty_memdb(b *testing.B) {
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@ -171,7 +172,7 @@ func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
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// Time the insertion of the new chain.
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// State and blocks are stored in the same DB.
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evmux := new(event.TypeMux)
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chainman, _ := NewBlockChain(db, ¶ms.ChainConfig{HomesteadBlock: new(big.Int)}, FakePow{}, evmux, vm.Config{})
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chainman, _ := NewBlockChain(db, ¶ms.ChainConfig{HomesteadBlock: new(big.Int)}, pow.FakePow{}, evmux, vm.Config{})
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defer chainman.Stop()
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b.ReportAllocs()
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b.ResetTimer()
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@ -281,7 +282,7 @@ func benchReadChain(b *testing.B, full bool, count uint64) {
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if err != nil {
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b.Fatalf("error opening database at %v: %v", dir, err)
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}
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chain, err := NewBlockChain(db, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{})
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chain, err := NewBlockChain(db, testChainConfig(), pow.FakePow{}, new(event.TypeMux), vm.Config{})
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if err != nil {
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b.Fatalf("error creating chain: %v", err)
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}
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@ -244,7 +244,7 @@ func ValidateHeader(config *params.ChainConfig, pow pow.PoW, header *types.Heade
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if checkPow {
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// Verify the nonce of the header. Return an error if it's not valid
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if !pow.Verify(types.NewBlockWithHeader(header)) {
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if err := pow.Verify(types.NewBlockWithHeader(header)); err != nil {
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return &BlockNonceErr{header.Number, header.Hash(), header.Nonce.Uint64()}
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}
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}
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@ -28,6 +28,7 @@ import (
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/pow"
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)
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func testChainConfig() *params.ChainConfig {
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@ -40,7 +41,7 @@ func proc() (Validator, *BlockChain) {
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var mux event.TypeMux
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WriteTestNetGenesisBlock(db)
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blockchain, err := NewBlockChain(db, testChainConfig(), thePow(), &mux, vm.Config{})
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blockchain, err := NewBlockChain(db, testChainConfig(), pow.NewTestEthash(), &mux, vm.Config{})
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if err != nil {
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fmt.Println(err)
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}
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@ -54,13 +55,13 @@ func TestNumber(t *testing.T) {
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cfg := testChainConfig()
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header := makeHeader(cfg, chain.Genesis(), statedb)
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header.Number = big.NewInt(3)
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err := ValidateHeader(cfg, FakePow{}, header, chain.Genesis().Header(), false, false)
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err := ValidateHeader(cfg, pow.FakePow{}, header, chain.Genesis().Header(), false, false)
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if err != BlockNumberErr {
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t.Errorf("expected block number error, got %q", err)
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}
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header = makeHeader(cfg, chain.Genesis(), statedb)
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err = ValidateHeader(cfg, FakePow{}, header, chain.Genesis().Header(), false, false)
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err = ValidateHeader(cfg, pow.FakePow{}, header, chain.Genesis().Header(), false, false)
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if err == BlockNumberErr {
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t.Errorf("didn't expect block number error")
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}
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@ -223,6 +223,9 @@ func (self *BlockChain) loadLastState() error {
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log.Info("Loaded most recent local full block", "number", self.currentBlock.Number(), "hash", self.currentBlock.Hash(), "td", blockTd)
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log.Info("Loaded most recent local fast block", "number", self.currentFastBlock.Number(), "hash", self.currentFastBlock.Hash(), "td", fastTd)
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// Try to be smart and issue a pow verification for the head to pre-generate caches
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go self.pow.Verify(types.NewBlockWithHeader(currentHeader))
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return nil
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}
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@ -27,7 +27,6 @@ import (
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"testing"
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"time"
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"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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@ -45,15 +44,10 @@ func init() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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}
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func thePow() pow.PoW {
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pow, _ := ethash.NewForTesting()
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return pow
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}
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func theBlockChain(db ethdb.Database, t *testing.T) *BlockChain {
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var eventMux event.TypeMux
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WriteTestNetGenesisBlock(db)
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blockchain, err := NewBlockChain(db, testChainConfig(), thePow(), &eventMux, vm.Config{})
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blockchain, err := NewBlockChain(db, testChainConfig(), pow.NewTestEthash(), &eventMux, vm.Config{})
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if err != nil {
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t.Error("failed creating blockchain:", err)
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t.FailNow()
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@ -476,7 +470,7 @@ func chm(genesis *types.Block, db ethdb.Database) *BlockChain {
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chainDb: db,
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genesisBlock: genesis,
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eventMux: &eventMux,
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pow: FakePow{},
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pow: pow.FakePow{},
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config: testChainConfig(),
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}
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valFn := func() HeaderValidator { return bc.Validator() }
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@ -615,7 +609,7 @@ func testReorgBadHashes(t *testing.T, full bool) {
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defer func() { delete(BadHashes, headers[3].Hash()) }()
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}
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// Create a new chain manager and check it rolled back the state
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ncm, err := NewBlockChain(db, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{})
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ncm, err := NewBlockChain(db, testChainConfig(), pow.FakePow{}, new(event.TypeMux), vm.Config{})
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if err != nil {
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t.Fatalf("failed to create new chain manager: %v", err)
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}
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@ -736,7 +730,7 @@ func TestFastVsFullChains(t *testing.T) {
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archiveDb, _ := ethdb.NewMemDatabase()
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WriteGenesisBlockForTesting(archiveDb, GenesisAccount{address, funds})
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archive, _ := NewBlockChain(archiveDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{})
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archive, _ := NewBlockChain(archiveDb, testChainConfig(), pow.FakePow{}, new(event.TypeMux), vm.Config{})
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if n, err := archive.InsertChain(blocks); err != nil {
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t.Fatalf("failed to process block %d: %v", n, err)
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@ -744,7 +738,7 @@ func TestFastVsFullChains(t *testing.T) {
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// Fast import the chain as a non-archive node to test
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fastDb, _ := ethdb.NewMemDatabase()
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WriteGenesisBlockForTesting(fastDb, GenesisAccount{address, funds})
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fast, _ := NewBlockChain(fastDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{})
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fast, _ := NewBlockChain(fastDb, testChainConfig(), pow.FakePow{}, new(event.TypeMux), vm.Config{})
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headers := make([]*types.Header, len(blocks))
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for i, block := range blocks {
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@ -820,7 +814,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) {
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archiveDb, _ := ethdb.NewMemDatabase()
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WriteGenesisBlockForTesting(archiveDb, GenesisAccount{address, funds})
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archive, _ := NewBlockChain(archiveDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{})
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archive, _ := NewBlockChain(archiveDb, testChainConfig(), pow.FakePow{}, new(event.TypeMux), vm.Config{})
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if n, err := archive.InsertChain(blocks); err != nil {
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t.Fatalf("failed to process block %d: %v", n, err)
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@ -832,7 +826,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) {
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// Import the chain as a non-archive node and ensure all pointers are updated
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fastDb, _ := ethdb.NewMemDatabase()
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WriteGenesisBlockForTesting(fastDb, GenesisAccount{address, funds})
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fast, _ := NewBlockChain(fastDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{})
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fast, _ := NewBlockChain(fastDb, testChainConfig(), pow.FakePow{}, new(event.TypeMux), vm.Config{})
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headers := make([]*types.Header, len(blocks))
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for i, block := range blocks {
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@ -851,7 +845,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) {
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// Import the chain as a light node and ensure all pointers are updated
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lightDb, _ := ethdb.NewMemDatabase()
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WriteGenesisBlockForTesting(lightDb, GenesisAccount{address, funds})
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light, _ := NewBlockChain(lightDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{})
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light, _ := NewBlockChain(lightDb, testChainConfig(), pow.FakePow{}, new(event.TypeMux), vm.Config{})
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if n, err := light.InsertHeaderChain(headers, 1); err != nil {
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t.Fatalf("failed to insert header %d: %v", n, err)
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@ -917,7 +911,7 @@ func TestChainTxReorgs(t *testing.T) {
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})
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// Import the chain. This runs all block validation rules.
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evmux := &event.TypeMux{}
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blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux, vm.Config{})
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blockchain, _ := NewBlockChain(db, testChainConfig(), pow.FakePow{}, evmux, vm.Config{})
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if i, err := blockchain.InsertChain(chain); err != nil {
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t.Fatalf("failed to insert original chain[%d]: %v", i, err)
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}
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@ -991,7 +985,7 @@ func TestLogReorgs(t *testing.T) {
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)
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evmux := &event.TypeMux{}
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blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux, vm.Config{})
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blockchain, _ := NewBlockChain(db, testChainConfig(), pow.FakePow{}, evmux, vm.Config{})
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subs := evmux.Subscribe(RemovedLogsEvent{})
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chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 2, func(i int, gen *BlockGen) {
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@ -1028,7 +1022,7 @@ func TestReorgSideEvent(t *testing.T) {
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)
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evmux := &event.TypeMux{}
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blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux, vm.Config{})
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blockchain, _ := NewBlockChain(db, testChainConfig(), pow.FakePow{}, evmux, vm.Config{})
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chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 3, func(i int, gen *BlockGen) {})
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if _, err := blockchain.InsertChain(chain); err != nil {
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@ -1104,7 +1098,7 @@ func TestCanonicalBlockRetrieval(t *testing.T) {
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)
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evmux := &event.TypeMux{}
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blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux, vm.Config{})
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blockchain, _ := NewBlockChain(db, testChainConfig(), pow.FakePow{}, evmux, vm.Config{})
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chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *BlockGen) {})
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@ -1147,7 +1141,7 @@ func TestEIP155Transition(t *testing.T) {
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mux event.TypeMux
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)
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blockchain, _ := NewBlockChain(db, config, FakePow{}, &mux, vm.Config{})
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blockchain, _ := NewBlockChain(db, config, pow.FakePow{}, &mux, vm.Config{})
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blocks, _ := GenerateChain(config, genesis, db, 4, func(i int, block *BlockGen) {
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var (
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tx *types.Transaction
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@ -1251,7 +1245,7 @@ func TestEIP161AccountRemoval(t *testing.T) {
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}
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mux event.TypeMux
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blockchain, _ = NewBlockChain(db, config, FakePow{}, &mux, vm.Config{})
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blockchain, _ = NewBlockChain(db, config, pow.FakePow{}, &mux, vm.Config{})
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)
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blocks, _ := GenerateChain(config, genesis, db, 3, func(i int, block *BlockGen) {
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var (
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@ -43,17 +43,6 @@ func MakeChainConfig() *params.ChainConfig {
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}
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}
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// FakePow is a non-validating proof of work implementation.
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// It returns true from Verify for any block.
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type FakePow struct{}
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func (f FakePow) Search(block pow.Block, stop <-chan struct{}, index int) (uint64, []byte) {
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return 0, nil
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}
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func (f FakePow) Verify(block pow.Block) bool { return true }
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func (f FakePow) GetHashrate() int64 { return 0 }
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func (f FakePow) Turbo(bool) {}
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// So we can deterministically seed different blockchains
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var (
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canonicalSeed = 1
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@ -256,7 +245,7 @@ func newCanonical(n int, full bool) (ethdb.Database, *BlockChain, error) {
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// Initialize a fresh chain with only a genesis block
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genesis, _ := WriteTestNetGenesisBlock(db)
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blockchain, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, evmux, vm.Config{})
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blockchain, _ := NewBlockChain(db, MakeChainConfig(), pow.FakePow{}, evmux, vm.Config{})
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// Create and inject the requested chain
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if n == 0 {
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return db, blockchain, nil
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@ -26,6 +26,7 @@ import (
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/pow"
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)
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func ExampleGenerateChain() {
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@ -82,7 +83,7 @@ func ExampleGenerateChain() {
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// Import the chain. This runs all block validation rules.
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evmux := &event.TypeMux{}
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blockchain, _ := NewBlockChain(db, chainConfig, FakePow{}, evmux, vm.Config{})
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blockchain, _ := NewBlockChain(db, chainConfig, pow.FakePow{}, evmux, vm.Config{})
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if i, err := blockchain.InsertChain(chain); err != nil {
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fmt.Printf("insert error (block %d): %v\n", chain[i].NumberU64(), err)
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return
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@ -65,7 +65,7 @@ func verifyNonces(checker pow.PoW, items []pow.Block) (chan<- struct{}, <-chan n
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for i := 0; i < workers; i++ {
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go func() {
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for index := range tasks {
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results <- nonceCheckResult{index: index, valid: checker.Verify(items[index])}
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results <- nonceCheckResult{index: index, valid: checker.Verify(items[index]) == nil}
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}
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}()
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}
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@ -17,6 +17,7 @@
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package core
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import (
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"errors"
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"math/big"
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"runtime"
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"testing"
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@ -35,12 +36,16 @@ type failPow struct {
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failing uint64
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}
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func (pow failPow) Search(pow.Block, <-chan struct{}, int) (uint64, []byte) {
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func (pow failPow) Search(pow.Block, <-chan struct{}) (uint64, []byte) {
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return 0, nil
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}
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func (pow failPow) Verify(block pow.Block) bool { return block.NumberU64() != pow.failing }
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func (pow failPow) GetHashrate() int64 { return 0 }
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func (pow failPow) Turbo(bool) {}
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func (pow failPow) Verify(block pow.Block) error {
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if block.NumberU64() == pow.failing {
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return errors.New("failed")
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}
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return nil
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}
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func (pow failPow) Hashrate() float64 { return 0 }
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// delayedPow is a non-validating proof of work implementation, that returns true
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// from Verify for all blocks, but delays them the configured amount of time.
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@ -48,12 +53,11 @@ type delayedPow struct {
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delay time.Duration
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}
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func (pow delayedPow) Search(pow.Block, <-chan struct{}, int) (uint64, []byte) {
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func (pow delayedPow) Search(pow.Block, <-chan struct{}) (uint64, []byte) {
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return 0, nil
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}
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func (pow delayedPow) Verify(block pow.Block) bool { time.Sleep(pow.delay); return true }
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func (pow delayedPow) GetHashrate() int64 { return 0 }
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func (pow delayedPow) Turbo(bool) {}
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func (pow delayedPow) Verify(block pow.Block) error { time.Sleep(pow.delay); return nil }
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func (pow delayedPow) Hashrate() float64 { return 0 }
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// Tests that simple POW verification works, for both good and bad blocks.
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func TestPowVerification(t *testing.T) {
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@ -75,11 +79,11 @@ func TestPowVerification(t *testing.T) {
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switch {
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case full && valid:
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_, results = verifyNoncesFromBlocks(FakePow{}, []*types.Block{blocks[i]})
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_, results = verifyNoncesFromBlocks(pow.FakePow{}, []*types.Block{blocks[i]})
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case full && !valid:
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_, results = verifyNoncesFromBlocks(failPow{blocks[i].NumberU64()}, []*types.Block{blocks[i]})
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case !full && valid:
|
||||
_, results = verifyNoncesFromHeaders(FakePow{}, []*types.Header{headers[i]})
|
||||
_, results = verifyNoncesFromHeaders(pow.FakePow{}, []*types.Header{headers[i]})
|
||||
case !full && !valid:
|
||||
_, results = verifyNoncesFromHeaders(failPow{headers[i].Number.Uint64()}, []*types.Header{headers[i]})
|
||||
}
|
||||
@ -134,11 +138,11 @@ func testPowConcurrentVerification(t *testing.T, threads int) {
|
||||
|
||||
switch {
|
||||
case full && valid:
|
||||
_, results = verifyNoncesFromBlocks(FakePow{}, blocks)
|
||||
_, results = verifyNoncesFromBlocks(pow.FakePow{}, blocks)
|
||||
case full && !valid:
|
||||
_, results = verifyNoncesFromBlocks(failPow{uint64(len(blocks) - 1)}, blocks)
|
||||
case !full && valid:
|
||||
_, results = verifyNoncesFromHeaders(FakePow{}, headers)
|
||||
_, results = verifyNoncesFromHeaders(pow.FakePow{}, headers)
|
||||
case !full && !valid:
|
||||
_, results = verifyNoncesFromHeaders(failPow{uint64(len(headers) - 1)}, headers)
|
||||
}
|
||||
|
@ -24,6 +24,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
)
|
||||
|
||||
// Tests that DAO-fork enabled clients can properly filter out fork-commencing
|
||||
@ -40,12 +41,12 @@ func TestDAOForkRangeExtradata(t *testing.T) {
|
||||
proDb, _ := ethdb.NewMemDatabase()
|
||||
WriteGenesisBlockForTesting(proDb)
|
||||
proConf := ¶ms.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true}
|
||||
proBc, _ := NewBlockChain(proDb, proConf, new(FakePow), new(event.TypeMux), vm.Config{})
|
||||
proBc, _ := NewBlockChain(proDb, proConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
|
||||
|
||||
conDb, _ := ethdb.NewMemDatabase()
|
||||
WriteGenesisBlockForTesting(conDb)
|
||||
conConf := ¶ms.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false}
|
||||
conBc, _ := NewBlockChain(conDb, conConf, new(FakePow), new(event.TypeMux), vm.Config{})
|
||||
conBc, _ := NewBlockChain(conDb, conConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
|
||||
|
||||
if _, err := proBc.InsertChain(prefix); err != nil {
|
||||
t.Fatalf("pro-fork: failed to import chain prefix: %v", err)
|
||||
@ -58,7 +59,7 @@ func TestDAOForkRangeExtradata(t *testing.T) {
|
||||
// Create a pro-fork block, and try to feed into the no-fork chain
|
||||
db, _ = ethdb.NewMemDatabase()
|
||||
WriteGenesisBlockForTesting(db)
|
||||
bc, _ := NewBlockChain(db, conConf, new(FakePow), new(event.TypeMux), vm.Config{})
|
||||
bc, _ := NewBlockChain(db, conConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
|
||||
|
||||
blocks := conBc.GetBlocksFromHash(conBc.CurrentBlock().Hash(), int(conBc.CurrentBlock().NumberU64()+1))
|
||||
for j := 0; j < len(blocks)/2; j++ {
|
||||
@ -79,7 +80,7 @@ func TestDAOForkRangeExtradata(t *testing.T) {
|
||||
// Create a no-fork block, and try to feed into the pro-fork chain
|
||||
db, _ = ethdb.NewMemDatabase()
|
||||
WriteGenesisBlockForTesting(db)
|
||||
bc, _ = NewBlockChain(db, proConf, new(FakePow), new(event.TypeMux), vm.Config{})
|
||||
bc, _ = NewBlockChain(db, proConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
|
||||
|
||||
blocks = proBc.GetBlocksFromHash(proBc.CurrentBlock().Hash(), int(proBc.CurrentBlock().NumberU64()+1))
|
||||
for j := 0; j < len(blocks)/2; j++ {
|
||||
@ -101,7 +102,7 @@ func TestDAOForkRangeExtradata(t *testing.T) {
|
||||
// Verify that contra-forkers accept pro-fork extra-datas after forking finishes
|
||||
db, _ = ethdb.NewMemDatabase()
|
||||
WriteGenesisBlockForTesting(db)
|
||||
bc, _ := NewBlockChain(db, conConf, new(FakePow), new(event.TypeMux), vm.Config{})
|
||||
bc, _ := NewBlockChain(db, conConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
|
||||
|
||||
blocks := conBc.GetBlocksFromHash(conBc.CurrentBlock().Hash(), int(conBc.CurrentBlock().NumberU64()+1))
|
||||
for j := 0; j < len(blocks)/2; j++ {
|
||||
@ -117,7 +118,7 @@ func TestDAOForkRangeExtradata(t *testing.T) {
|
||||
// Verify that pro-forkers accept contra-fork extra-datas after forking finishes
|
||||
db, _ = ethdb.NewMemDatabase()
|
||||
WriteGenesisBlockForTesting(db)
|
||||
bc, _ = NewBlockChain(db, proConf, new(FakePow), new(event.TypeMux), vm.Config{})
|
||||
bc, _ = NewBlockChain(db, proConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
|
||||
|
||||
blocks = proBc.GetBlocksFromHash(proBc.CurrentBlock().Hash(), int(proBc.CurrentBlock().NumberU64()+1))
|
||||
for j := 0; j < len(blocks)/2; j++ {
|
||||
|
@ -288,15 +288,15 @@ func CreatePoW(config *Config) (pow.PoW, error) {
|
||||
switch {
|
||||
case config.PowFake:
|
||||
log.Warn("Ethash used in fake mode")
|
||||
return pow.PoW(core.FakePow{}), nil
|
||||
return pow.FakePow{}, nil
|
||||
case config.PowTest:
|
||||
log.Warn("Ethash used in test mode")
|
||||
return ethash.NewForTesting()
|
||||
return pow.NewTestEthash(), nil
|
||||
case config.PowShared:
|
||||
log.Warn("Ethash used in shared mode")
|
||||
return ethash.NewShared(), nil
|
||||
return pow.NewSharedEthash(), nil
|
||||
default:
|
||||
return ethash.New(), nil
|
||||
return pow.NewFullEthash("", ""), nil
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -34,6 +34,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
)
|
||||
|
||||
var bigTxGas = new(big.Int).SetUint64(params.TxGas)
|
||||
@ -468,7 +469,7 @@ func testDAOChallenge(t *testing.T, localForked, remoteForked bool, timeout bool
|
||||
// Create a DAO aware protocol manager
|
||||
var (
|
||||
evmux = new(event.TypeMux)
|
||||
pow = new(core.FakePow)
|
||||
pow = new(pow.FakePow)
|
||||
db, _ = ethdb.NewMemDatabase()
|
||||
genesis = core.WriteGenesisBlockForTesting(db)
|
||||
config = ¶ms.ChainConfig{DAOForkBlock: big.NewInt(1), DAOForkSupport: localForked}
|
||||
|
@ -37,6 +37,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/p2p/discover"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
)
|
||||
|
||||
var (
|
||||
@ -53,7 +54,7 @@ var (
|
||||
func newTestProtocolManager(fastSync bool, blocks int, generator func(int, *core.BlockGen), newtx chan<- []*types.Transaction) (*ProtocolManager, error) {
|
||||
var (
|
||||
evmux = new(event.TypeMux)
|
||||
pow = new(core.FakePow)
|
||||
pow = new(pow.FakePow)
|
||||
db, _ = ethdb.NewMemDatabase()
|
||||
genesis = core.WriteGenesisBlockForTesting(db, testBank)
|
||||
chainConfig = ¶ms.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
|
||||
|
@ -25,7 +25,6 @@ import (
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/ethash"
|
||||
"github.com/ethereum/go-ethereum/accounts"
|
||||
"github.com/ethereum/go-ethereum/accounts/keystore"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
@ -39,6 +38,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
"github.com/ethereum/go-ethereum/rlp"
|
||||
"github.com/ethereum/go-ethereum/rpc"
|
||||
"github.com/syndtr/goleveldb/leveldb"
|
||||
@ -1378,11 +1378,7 @@ func (api *PublicDebugAPI) SeedHash(ctx context.Context, number uint64) (string,
|
||||
if block == nil {
|
||||
return "", fmt.Errorf("block #%d not found", number)
|
||||
}
|
||||
hash, err := ethash.GetSeedHash(number)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return fmt.Sprintf("0x%x", hash), nil
|
||||
return fmt.Sprintf("0x%x", pow.EthashSeedHash(number)), nil
|
||||
}
|
||||
|
||||
// PrivateDebugAPI is the collection of Etheruem APIs exposed over the private
|
||||
|
@ -39,6 +39,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/p2p"
|
||||
"github.com/ethereum/go-ethereum/p2p/discover"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
)
|
||||
|
||||
var (
|
||||
@ -134,7 +135,7 @@ func testRCL() RequestCostList {
|
||||
func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *core.BlockGen)) (*ProtocolManager, ethdb.Database, *LesOdr, error) {
|
||||
var (
|
||||
evmux = new(event.TypeMux)
|
||||
pow = new(core.FakePow)
|
||||
pow = new(pow.FakePow)
|
||||
db, _ = ethdb.NewMemDatabase()
|
||||
genesis = core.WriteGenesisBlockForTesting(db, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
|
||||
chainConfig = ¶ms.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
|
||||
|
@ -169,6 +169,9 @@ func (self *LightChain) loadLastState() error {
|
||||
headerTd := self.GetTd(header.Hash(), header.Number.Uint64())
|
||||
log.Info("Loaded most recent local header", "number", header.Number, "hash", header.Hash(), "td", headerTd)
|
||||
|
||||
// Try to be smart and issue a pow verification for the head to pre-generate caches
|
||||
go self.pow.Verify(types.NewBlockWithHeader(header))
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
|
@ -22,7 +22,6 @@ import (
|
||||
"runtime"
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/ethash"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
@ -67,7 +66,7 @@ func newCanonical(n int) (ethdb.Database, *LightChain, error) {
|
||||
// Initialize a fresh chain with only a genesis block
|
||||
genesis, _ := core.WriteTestNetGenesisBlock(db)
|
||||
|
||||
blockchain, _ := NewLightChain(&dummyOdr{db: db}, testChainConfig(), core.FakePow{}, evmux)
|
||||
blockchain, _ := NewLightChain(&dummyOdr{db: db}, testChainConfig(), pow.FakePow{}, evmux)
|
||||
// Create and inject the requested chain
|
||||
if n == 0 {
|
||||
return db, blockchain, nil
|
||||
@ -82,15 +81,10 @@ func init() {
|
||||
runtime.GOMAXPROCS(runtime.NumCPU())
|
||||
}
|
||||
|
||||
func thePow() pow.PoW {
|
||||
pow, _ := ethash.NewForTesting()
|
||||
return pow
|
||||
}
|
||||
|
||||
func theLightChain(db ethdb.Database, t *testing.T) *LightChain {
|
||||
var eventMux event.TypeMux
|
||||
core.WriteTestNetGenesisBlock(db)
|
||||
LightChain, err := NewLightChain(&dummyOdr{db: db}, testChainConfig(), thePow(), &eventMux)
|
||||
LightChain, err := NewLightChain(&dummyOdr{db: db}, testChainConfig(), pow.NewTestEthash(), &eventMux)
|
||||
if err != nil {
|
||||
t.Error("failed creating LightChain:", err)
|
||||
t.FailNow()
|
||||
@ -311,7 +305,7 @@ func (odr *dummyOdr) Retrieve(ctx context.Context, req OdrRequest) error {
|
||||
func chm(genesis *types.Block, db ethdb.Database) *LightChain {
|
||||
odr := &dummyOdr{db: db}
|
||||
var eventMux event.TypeMux
|
||||
bc := &LightChain{odr: odr, chainDb: db, genesisBlock: genesis, eventMux: &eventMux, pow: core.FakePow{}}
|
||||
bc := &LightChain{odr: odr, chainDb: db, genesisBlock: genesis, eventMux: &eventMux, pow: pow.FakePow{}}
|
||||
bc.hc, _ = core.NewHeaderChain(db, testChainConfig(), bc.Validator, bc.getProcInterrupt)
|
||||
bc.bodyCache, _ = lru.New(100)
|
||||
bc.bodyRLPCache, _ = lru.New(100)
|
||||
@ -394,7 +388,7 @@ func TestReorgBadHeaderHashes(t *testing.T) {
|
||||
core.BadHashes[headers[3].Hash()] = true
|
||||
defer func() { delete(core.BadHashes, headers[3].Hash()) }()
|
||||
// Create a new chain manager and check it rolled back the state
|
||||
ncm, err := NewLightChain(&dummyOdr{db: db}, testChainConfig(), core.FakePow{}, new(event.TypeMux))
|
||||
ncm, err := NewLightChain(&dummyOdr{db: db}, testChainConfig(), pow.FakePow{}, new(event.TypeMux))
|
||||
if err != nil {
|
||||
t.Fatalf("failed to create new chain manager: %v", err)
|
||||
}
|
||||
|
@ -33,6 +33,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
"github.com/ethereum/go-ethereum/rlp"
|
||||
"github.com/ethereum/go-ethereum/trie"
|
||||
"golang.org/x/net/context"
|
||||
@ -247,7 +248,7 @@ func testChainGen(i int, block *core.BlockGen) {
|
||||
func testChainOdr(t *testing.T, protocol int, expFail uint64, fn odrTestFn) {
|
||||
var (
|
||||
evmux = new(event.TypeMux)
|
||||
pow = new(core.FakePow)
|
||||
pow = new(pow.FakePow)
|
||||
sdb, _ = ethdb.NewMemDatabase()
|
||||
ldb, _ = ethdb.NewMemDatabase()
|
||||
genesis = core.WriteGenesisBlockForTesting(sdb, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
|
||||
|
@ -29,6 +29,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
"golang.org/x/net/context"
|
||||
)
|
||||
|
||||
@ -82,7 +83,7 @@ func TestTxPool(t *testing.T) {
|
||||
|
||||
var (
|
||||
evmux = new(event.TypeMux)
|
||||
pow = new(core.FakePow)
|
||||
pow = new(pow.FakePow)
|
||||
sdb, _ = ethdb.NewMemDatabase()
|
||||
ldb, _ = ethdb.NewMemDatabase()
|
||||
genesis = core.WriteGenesisBlockForTesting(sdb, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
|
||||
|
@ -23,7 +23,6 @@ const (
|
||||
// locationTrims are trimmed for display to avoid unwieldy log lines.
|
||||
var locationTrims = []string{
|
||||
"github.com/ethereum/go-ethereum/",
|
||||
"github.com/ethereum/ethash/",
|
||||
}
|
||||
|
||||
// PrintOrigins sets or unsets log location (file:line) printing for terminal
|
||||
|
@ -111,7 +111,7 @@ func (self *CpuAgent) mine(work *Work, stop <-chan struct{}) {
|
||||
log.Debug(fmt.Sprintf("(re)started agent[%d]. mining...\n", self.index))
|
||||
|
||||
// Mine
|
||||
nonce, mixDigest := self.pow.Search(work.Block, stop, self.index)
|
||||
nonce, mixDigest := self.pow.Search(work.Block, stop)
|
||||
if nonce != 0 {
|
||||
block := work.Block.WithMiningResult(types.EncodeNonce(nonce), common.BytesToHash(mixDigest))
|
||||
self.returnCh <- &Result{work, block}
|
||||
@ -121,5 +121,5 @@ func (self *CpuAgent) mine(work *Work, stop <-chan struct{}) {
|
||||
}
|
||||
|
||||
func (self *CpuAgent) GetHashRate() int64 {
|
||||
return self.pow.GetHashrate()
|
||||
return int64(self.pow.Hashrate())
|
||||
}
|
||||
|
@ -159,7 +159,7 @@ func (self *Miner) Mining() bool {
|
||||
}
|
||||
|
||||
func (self *Miner) HashRate() (tot int64) {
|
||||
tot += self.pow.GetHashrate()
|
||||
tot += int64(self.pow.Hashrate())
|
||||
// do we care this might race? is it worth we're rewriting some
|
||||
// aspects of the worker/locking up agents so we can get an accurate
|
||||
// hashrate?
|
||||
|
@ -24,7 +24,6 @@ import (
|
||||
"sync/atomic"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/ethash"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
@ -115,7 +114,7 @@ func (a *RemoteAgent) GetWork() ([3]string, error) {
|
||||
block := a.currentWork.Block
|
||||
|
||||
res[0] = block.HashNoNonce().Hex()
|
||||
seedHash, _ := ethash.GetSeedHash(block.NumberU64())
|
||||
seedHash := pow.EthashSeedHash(block.NumberU64())
|
||||
res[1] = common.BytesToHash(seedHash).Hex()
|
||||
// Calculate the "target" to be returned to the external miner
|
||||
n := big.NewInt(1)
|
||||
@ -145,8 +144,8 @@ func (a *RemoteAgent) SubmitWork(nonce types.BlockNonce, mixDigest, hash common.
|
||||
}
|
||||
// Make sure the PoW solutions is indeed valid
|
||||
block := work.Block.WithMiningResult(nonce, mixDigest)
|
||||
if !a.pow.Verify(block) {
|
||||
log.Warn(fmt.Sprintf("Invalid PoW submitted for %x", hash))
|
||||
if err := a.pow.Verify(block); err != nil {
|
||||
log.Warn(fmt.Sprintf("Invalid PoW submitted for %x: %v", hash, err))
|
||||
return false
|
||||
}
|
||||
// Solutions seems to be valid, return to the miner and notify acceptance
|
||||
|
37
pow/block.go
37
pow/block.go
@ -1,37 +0,0 @@
|
||||
// Copyright 2014 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
package pow
|
||||
|
||||
import (
|
||||
"math/big"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
)
|
||||
|
||||
type Block interface {
|
||||
Difficulty() *big.Int
|
||||
HashNoNonce() common.Hash
|
||||
Nonce() uint64
|
||||
MixDigest() common.Hash
|
||||
NumberU64() uint64
|
||||
}
|
||||
|
||||
type ChainManager interface {
|
||||
GetBlockByNumber(uint64) *types.Block
|
||||
CurrentBlock() *types.Block
|
||||
}
|
1154
pow/ethash.go
1154
pow/ethash.go
File diff suppressed because it is too large
Load Diff
1071
pow/ethash_algo.go
Normal file
1071
pow/ethash_algo.go
Normal file
File diff suppressed because it is too large
Load Diff
@ -675,14 +675,14 @@ func TestHashimoto(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
// Becnhmarks the cache generation performance.
|
||||
// Benchmarks the cache generation performance.
|
||||
func BenchmarkCacheGeneration(b *testing.B) {
|
||||
for i := 0; i < b.N; i++ {
|
||||
generateCache(cacheSize(1), make([]byte, 32))
|
||||
}
|
||||
}
|
||||
|
||||
// Becnhmarks the dataset (small) generation performance.
|
||||
// Benchmarks the dataset (small) generation performance.
|
||||
func BenchmarkSmallDatasetGeneration(b *testing.B) {
|
||||
rawCache := generateCache(65536, make([]byte, 32))
|
||||
cache := prepare(uint64(len(rawCache)), bytes.NewReader(rawCache))
|
||||
@ -693,7 +693,7 @@ func BenchmarkSmallDatasetGeneration(b *testing.B) {
|
||||
}
|
||||
}
|
||||
|
||||
// Becnhmarks the light verification performace.
|
||||
// Benchmarks the light verification performance.
|
||||
func BenchmarkHashimotoLight(b *testing.B) {
|
||||
var (
|
||||
rawCache = generateCache(cacheSize(1), make([]byte, 32))
|
||||
@ -706,7 +706,7 @@ func BenchmarkHashimotoLight(b *testing.B) {
|
||||
}
|
||||
}
|
||||
|
||||
// Becnhmarks the full (small) verification performace.
|
||||
// Benchmarks the full (small) verification performance.
|
||||
func BenchmarkHashimotoFullSmall(b *testing.B) {
|
||||
var (
|
||||
rawCache = generateCache(65536, make([]byte, 32))
|
44
pow/pow.go
44
pow/pow.go
@ -16,9 +16,43 @@
|
||||
|
||||
package pow
|
||||
|
||||
type PoW interface {
|
||||
Search(block Block, stop <-chan struct{}, index int) (uint64, []byte)
|
||||
Verify(block Block) bool
|
||||
GetHashrate() int64
|
||||
Turbo(bool)
|
||||
import (
|
||||
"math/big"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
)
|
||||
|
||||
type Block interface {
|
||||
Difficulty() *big.Int
|
||||
HashNoNonce() common.Hash
|
||||
Nonce() uint64
|
||||
MixDigest() common.Hash
|
||||
NumberU64() uint64
|
||||
}
|
||||
|
||||
type ChainManager interface {
|
||||
GetBlockByNumber(uint64) *types.Block
|
||||
CurrentBlock() *types.Block
|
||||
}
|
||||
|
||||
type PoW interface {
|
||||
Verify(block Block) error
|
||||
Search(block Block, stop <-chan struct{}) (uint64, []byte)
|
||||
Hashrate() float64
|
||||
}
|
||||
|
||||
// FakePow is a non-validating proof of work implementation.
|
||||
// It returns true from Verify for any block.
|
||||
type FakePow struct{}
|
||||
|
||||
// Verify implements PoW, returning a success for an input.
|
||||
func (pow FakePow) Verify(block Block) error { return nil }
|
||||
|
||||
// Search implements PoW, returning the nonce 0 for any call.
|
||||
func (pow FakePow) Search(block Block, stop <-chan struct{}) (uint64, []byte) {
|
||||
return 0, nil
|
||||
}
|
||||
|
||||
// Hashrate implements PoW, returning 0.
|
||||
func (pow FakePow) Hashrate() float64 { return 0 }
|
||||
|
@ -26,7 +26,6 @@ import (
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/ethereum/ethash"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core"
|
||||
"github.com/ethereum/go-ethereum/core/state"
|
||||
@ -36,6 +35,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
"github.com/ethereum/go-ethereum/rlp"
|
||||
)
|
||||
|
||||
@ -172,7 +172,7 @@ func runBlockTest(homesteadBlock, daoForkBlock, gasPriceFork *big.Int, test *Blo
|
||||
core.WriteHeadBlockHash(db, test.Genesis.Hash())
|
||||
evmux := new(event.TypeMux)
|
||||
config := ¶ms.ChainConfig{HomesteadBlock: homesteadBlock, DAOForkBlock: daoForkBlock, DAOForkSupport: true, EIP150Block: gasPriceFork}
|
||||
chain, err := core.NewBlockChain(db, config, ethash.NewShared(), evmux, vm.Config{})
|
||||
chain, err := core.NewBlockChain(db, config, pow.NewSharedEthash(), evmux, vm.Config{})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user