164 lines
5.0 KiB
Go
164 lines
5.0 KiB
Go
package modules
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import (
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"bytes"
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"context"
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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-car"
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"github.com/ipfs/go-datastore"
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blockstore "github.com/ipfs/go-ipfs-blockstore"
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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/sector-storage/ffiwrapper"
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"github.com/filecoin-project/specs-actors/actors/runtime"
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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/blocksync"
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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/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 ChainExchange(mctx helpers.MetricsCtx, lc fx.Lifecycle, host host.Host, rt routing.Routing, bs dtypes.ChainGCBlockstore) dtypes.ChainExchange {
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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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exch := bitswap.New(helpers.LifecycleCtx(mctx, lc), bitswapNetwork, bs)
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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) (*messagepool.MessagePool, error) {
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mpp := messagepool.NewProvider(sm, ps)
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mp, err := messagepool.New(mpp, ds, nn)
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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 ChainBlockstore(r repo.LockedRepo) (dtypes.ChainBlockstore, error) {
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blocks, err := r.Datastore("/blocks")
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if err != nil {
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return nil, err
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}
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bs := blockstore.NewBlockstore(blocks)
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return blockstore.NewIdStore(bs), nil
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}
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func ChainGCBlockstore(bs dtypes.ChainBlockstore, gcl dtypes.ChainGCLocker) dtypes.ChainGCBlockstore {
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return blockstore.NewGCBlockstore(bs, gcl)
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}
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func ChainBlockservice(bs dtypes.ChainBlockstore, rem dtypes.ChainExchange) dtypes.ChainBlockService {
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return blockservice.New(bs, rem)
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}
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func ChainStore(lc fx.Lifecycle, bs dtypes.ChainBlockstore, ds dtypes.MetadataDS, syscalls runtime.Syscalls) *store.ChainStore {
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chain := store.NewChainStore(bs, ds, syscalls)
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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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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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_, err := cs.GetGenesis()
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if err == nil {
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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, _ dtypes.AfterGenesisSet) (dtypes.NetworkName, error) {
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ctx := helpers.LifecycleCtx(mctx, lc)
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netName, err := stmgr.GetNetworkName(ctx, stmgr.NewStateManager(cs), cs.GetHeaviestTipSet().ParentState())
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return netName, err
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}
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func NewSyncer(lc fx.Lifecycle, sm *stmgr.StateManager, bsync *blocksync.BlockSync, h host.Host, beacon beacon.RandomBeacon, verifier ffiwrapper.Verifier) (*chain.Syncer, error) {
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syncer, err := chain.NewSyncer(sm, bsync, h.ConnManager(), h.ID(), beacon, verifier)
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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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