250 lines
7.4 KiB
Go
250 lines
7.4 KiB
Go
package modules
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import (
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"bytes"
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"context"
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"os"
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"time"
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"github.com/ipfs/go-bitswap"
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"github.com/ipfs/go-bitswap/network"
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"github.com/ipfs/go-blockservice"
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"github.com/ipfs/go-datastore"
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"github.com/ipld/go-car"
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"github.com/libp2p/go-libp2p-core/host"
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"github.com/libp2p/go-libp2p-core/routing"
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pubsub "github.com/libp2p/go-libp2p-pubsub"
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"go.uber.org/fx"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
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"github.com/filecoin-project/lotus/journal"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain"
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"github.com/filecoin-project/lotus/chain/beacon"
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"github.com/filecoin-project/lotus/chain/exchange"
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"github.com/filecoin-project/lotus/chain/gen/slashfilter"
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"github.com/filecoin-project/lotus/chain/messagepool"
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"github.com/filecoin-project/lotus/chain/stmgr"
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"github.com/filecoin-project/lotus/chain/store"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/vm"
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"github.com/filecoin-project/lotus/lib/blockstore"
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"github.com/filecoin-project/lotus/lib/bufbstore"
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"github.com/filecoin-project/lotus/lib/timedbs"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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"github.com/filecoin-project/lotus/node/modules/helpers"
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"github.com/filecoin-project/lotus/node/repo"
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)
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func ChainBitswap(mctx helpers.MetricsCtx, lc fx.Lifecycle, host host.Host, rt routing.Routing, bs dtypes.ChainBlockstore) dtypes.ChainBitswap {
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// prefix protocol for chain bitswap
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// (so bitswap uses /chain/ipfs/bitswap/1.0.0 internally for chain sync stuff)
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bitswapNetwork := network.NewFromIpfsHost(host, rt, network.Prefix("/chain"))
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bitswapOptions := []bitswap.Option{bitswap.ProvideEnabled(false)}
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// Write all incoming bitswap blocks into a temporary blockstore for two
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// block times. If they validate, they'll be persisted later.
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cache := timedbs.NewTimedCacheBS(2 * time.Duration(build.BlockDelaySecs) * time.Second)
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lc.Append(fx.Hook{OnStop: cache.Stop, OnStart: cache.Start})
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bitswapBs := bufbstore.NewTieredBstore(bs, cache)
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// Use just exch.Close(), closing the context is not needed
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exch := bitswap.New(mctx, bitswapNetwork, bitswapBs, bitswapOptions...)
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lc.Append(fx.Hook{
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OnStop: func(ctx context.Context) error {
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return exch.Close()
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},
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})
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return exch
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}
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func MessagePool(lc fx.Lifecycle, sm *stmgr.StateManager, ps *pubsub.PubSub, ds dtypes.MetadataDS, nn dtypes.NetworkName, j journal.Journal) (*messagepool.MessagePool, error) {
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mpp := messagepool.NewProvider(sm, ps)
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mp, err := messagepool.New(mpp, ds, nn, j)
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if err != nil {
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return nil, xerrors.Errorf("constructing mpool: %w", err)
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}
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lc.Append(fx.Hook{
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OnStop: func(_ context.Context) error {
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return mp.Close()
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},
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})
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return mp, nil
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}
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func ChainRawBlockstore(lc fx.Lifecycle, mctx helpers.MetricsCtx, r repo.LockedRepo) (dtypes.ChainRawBlockstore, error) {
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bs, err := r.Blockstore(helpers.LifecycleCtx(mctx, lc), repo.BlockstoreChain)
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if err != nil {
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return nil, err
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}
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// TODO potentially replace this cached blockstore by a CBOR cache.
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cbs, err := blockstore.CachedBlockstore(helpers.LifecycleCtx(mctx, lc), bs, blockstore.DefaultCacheOpts())
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if err != nil {
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return nil, err
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}
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return cbs, nil
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}
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func ChainBlockService(bs dtypes.ChainRawBlockstore, rem dtypes.ChainBitswap) dtypes.ChainBlockService {
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return blockservice.New(bs, rem)
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}
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func FallbackChainBlockstore(rbs dtypes.ChainRawBlockstore) dtypes.ChainBlockstore {
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return &blockstore.FallbackStore{
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Blockstore: rbs,
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}
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}
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func SetupFallbackBlockstore(cbs dtypes.ChainBlockstore, rem dtypes.ChainBitswap) error {
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fbs, ok := cbs.(*blockstore.FallbackStore)
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if !ok {
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return xerrors.Errorf("expected a FallbackStore")
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}
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fbs.SetFallback(rem.GetBlock)
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return nil
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}
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func ChainStore(lc fx.Lifecycle, bs dtypes.ChainBlockstore, lbs dtypes.ChainRawBlockstore, ds dtypes.MetadataDS, syscalls vm.SyscallBuilder, j journal.Journal) *store.ChainStore {
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chain := store.NewChainStore(bs, lbs, ds, syscalls, j)
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if err := chain.Load(); err != nil {
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log.Warnf("loading chain state from disk: %s", err)
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}
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lc.Append(fx.Hook{
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OnStop: func(_ context.Context) error {
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return chain.Close()
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},
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})
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return chain
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}
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func ErrorGenesis() Genesis {
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return func() (header *types.BlockHeader, e error) {
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return nil, xerrors.New("No genesis block provided, provide the file with 'lotus daemon --genesis=[genesis file]'")
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}
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}
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func LoadGenesis(genBytes []byte) func(dtypes.ChainBlockstore) Genesis {
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return func(bs dtypes.ChainBlockstore) Genesis {
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return func() (header *types.BlockHeader, e error) {
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c, err := car.LoadCar(bs, bytes.NewReader(genBytes))
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if err != nil {
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return nil, xerrors.Errorf("loading genesis car file failed: %w", err)
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}
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if len(c.Roots) != 1 {
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return nil, xerrors.New("expected genesis file to have one root")
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}
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root, err := bs.Get(c.Roots[0])
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if err != nil {
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return nil, err
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}
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h, err := types.DecodeBlock(root.RawData())
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if err != nil {
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return nil, xerrors.Errorf("decoding block failed: %w", err)
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}
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return h, nil
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}
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}
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}
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func DoSetGenesis(_ dtypes.AfterGenesisSet) {}
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func SetGenesis(cs *store.ChainStore, g Genesis) (dtypes.AfterGenesisSet, error) {
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genFromRepo, err := cs.GetGenesis()
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if err == nil {
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if os.Getenv("LOTUS_SKIP_GENESIS_CHECK") != "_yes_" {
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expectedGenesis, err := g()
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if err != nil {
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return dtypes.AfterGenesisSet{}, xerrors.Errorf("getting expected genesis failed: %w", err)
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}
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if genFromRepo.Cid() != expectedGenesis.Cid() {
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return dtypes.AfterGenesisSet{}, xerrors.Errorf("genesis in the repo is not the one expected by this version of Lotus!")
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}
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}
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return dtypes.AfterGenesisSet{}, nil // already set, noop
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}
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if err != datastore.ErrNotFound {
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return dtypes.AfterGenesisSet{}, xerrors.Errorf("getting genesis block failed: %w", err)
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}
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genesis, err := g()
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if err != nil {
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return dtypes.AfterGenesisSet{}, xerrors.Errorf("genesis func failed: %w", err)
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}
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return dtypes.AfterGenesisSet{}, cs.SetGenesis(genesis)
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}
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func NetworkName(mctx helpers.MetricsCtx, lc fx.Lifecycle, cs *store.ChainStore, us stmgr.UpgradeSchedule, _ dtypes.AfterGenesisSet) (dtypes.NetworkName, error) {
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if !build.Devnet {
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return "testnetnet", nil
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}
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ctx := helpers.LifecycleCtx(mctx, lc)
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sm, err := stmgr.NewStateManagerWithUpgradeSchedule(cs, us)
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if err != nil {
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return "", err
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}
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netName, err := stmgr.GetNetworkName(ctx, sm, cs.GetHeaviestTipSet().ParentState())
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return netName, err
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}
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type SyncerParams struct {
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fx.In
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Lifecycle fx.Lifecycle
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MetadataDS dtypes.MetadataDS
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StateManager *stmgr.StateManager
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ChainXchg exchange.Client
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SyncMgrCtor chain.SyncManagerCtor
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Host host.Host
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Beacon beacon.Schedule
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Verifier ffiwrapper.Verifier
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}
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func NewSyncer(params SyncerParams) (*chain.Syncer, error) {
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var (
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lc = params.Lifecycle
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ds = params.MetadataDS
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sm = params.StateManager
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ex = params.ChainXchg
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smCtor = params.SyncMgrCtor
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h = params.Host
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b = params.Beacon
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v = params.Verifier
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)
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syncer, err := chain.NewSyncer(ds, sm, ex, smCtor, h.ConnManager(), h.ID(), b, v)
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if err != nil {
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return nil, err
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}
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lc.Append(fx.Hook{
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OnStart: func(_ context.Context) error {
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syncer.Start()
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return nil
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},
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OnStop: func(_ context.Context) error {
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syncer.Stop()
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return nil
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},
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})
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return syncer, nil
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}
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func NewSlashFilter(ds dtypes.MetadataDS) *slashfilter.SlashFilter {
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return slashfilter.New(ds)
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}
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