330 lines
8.4 KiB
Go
330 lines
8.4 KiB
Go
package client
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import (
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"bytes"
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"context"
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"errors"
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"io"
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"math"
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"os"
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"golang.org/x/xerrors"
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"github.com/ipfs/go-blockservice"
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"github.com/ipfs/go-cid"
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"github.com/ipfs/go-filestore"
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chunker "github.com/ipfs/go-ipfs-chunker"
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offline "github.com/ipfs/go-ipfs-exchange-offline"
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files "github.com/ipfs/go-ipfs-files"
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ipld "github.com/ipfs/go-ipld-format"
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"github.com/ipfs/go-merkledag"
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unixfile "github.com/ipfs/go-unixfs/file"
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"github.com/ipfs/go-unixfs/importer/balanced"
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ihelper "github.com/ipfs/go-unixfs/importer/helpers"
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"github.com/libp2p/go-libp2p-core/peer"
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"go.uber.org/fx"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-fil-markets/retrievalmarket"
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"github.com/filecoin-project/go-fil-markets/shared/tokenamount"
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"github.com/filecoin-project/go-fil-markets/storagemarket"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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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/markets/utils"
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"github.com/filecoin-project/lotus/node/impl/full"
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"github.com/filecoin-project/lotus/node/impl/paych"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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)
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type API struct {
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fx.In
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full.ChainAPI
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full.StateAPI
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full.WalletAPI
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paych.PaychAPI
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SMDealClient storagemarket.StorageClient
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RetDiscovery retrievalmarket.PeerResolver
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Retrieval retrievalmarket.RetrievalClient
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Chain *store.ChainStore
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LocalDAG dtypes.ClientDAG
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Blockstore dtypes.ClientBlockstore
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Filestore dtypes.ClientFilestore `optional:"true"`
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}
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func (a *API) ClientStartDeal(ctx context.Context, data cid.Cid, addr address.Address, miner address.Address, epochPrice types.BigInt, blocksDuration uint64) (*cid.Cid, error) {
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exist, err := a.WalletHas(ctx, addr)
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if err != nil {
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return nil, xerrors.Errorf("failed getting addr from wallet: %w", addr)
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}
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if !exist {
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return nil, xerrors.Errorf("provided address doesn't exist in wallet")
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}
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pid, err := a.StateMinerPeerID(ctx, miner, types.EmptyTSK)
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if err != nil {
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return nil, xerrors.Errorf("failed getting peer ID: %w", err)
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}
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mw, err := a.StateMinerWorker(ctx, miner, types.EmptyTSK)
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if err != nil {
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return nil, xerrors.Errorf("failed getting miner worker: %w", err)
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}
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providerInfo := utils.NewStorageProviderInfo(miner, mw, 0, pid)
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result, err := a.SMDealClient.ProposeStorageDeal(
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ctx,
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addr,
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&providerInfo,
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data,
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storagemarket.Epoch(math.MaxUint64),
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storagemarket.Epoch(blocksDuration),
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utils.ToSharedTokenAmount(epochPrice),
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tokenamount.Empty)
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if err != nil {
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return nil, xerrors.Errorf("failed to start deal: %w", err)
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}
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return &result.ProposalCid, nil
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}
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func (a *API) ClientListDeals(ctx context.Context) ([]api.DealInfo, error) {
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deals, err := a.SMDealClient.ListInProgressDeals(ctx)
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if err != nil {
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return nil, err
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}
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out := make([]api.DealInfo, len(deals))
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for k, v := range deals {
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out[k] = api.DealInfo{
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ProposalCid: v.ProposalCid,
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State: v.State,
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Provider: v.Proposal.Provider,
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PieceRef: v.Proposal.PieceRef,
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Size: v.Proposal.PieceSize,
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PricePerEpoch: utils.FromSharedTokenAmount(v.Proposal.StoragePricePerEpoch),
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Duration: v.Proposal.Duration,
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}
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}
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return out, nil
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}
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func (a *API) ClientGetDealInfo(ctx context.Context, d cid.Cid) (*api.DealInfo, error) {
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v, err := a.SMDealClient.GetInProgressDeal(ctx, d)
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if err != nil {
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return nil, err
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}
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return &api.DealInfo{
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ProposalCid: v.ProposalCid,
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State: v.State,
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Provider: v.Proposal.Provider,
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PieceRef: v.Proposal.PieceRef,
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Size: v.Proposal.PieceSize,
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PricePerEpoch: utils.FromSharedTokenAmount(v.Proposal.StoragePricePerEpoch),
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Duration: v.Proposal.Duration,
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}, nil
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}
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func (a *API) ClientHasLocal(ctx context.Context, root cid.Cid) (bool, error) {
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// TODO: check if we have the ENTIRE dag
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offExch := merkledag.NewDAGService(blockservice.New(a.Blockstore, offline.Exchange(a.Blockstore)))
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_, err := offExch.Get(ctx, root)
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if err == ipld.ErrNotFound {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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return true, nil
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}
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func (a *API) ClientFindData(ctx context.Context, root cid.Cid) ([]api.QueryOffer, error) {
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peers, err := a.RetDiscovery.GetPeers(root)
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if err != nil {
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return nil, err
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}
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out := make([]api.QueryOffer, len(peers))
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for k, p := range peers {
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queryResponse, err := a.Retrieval.Query(ctx, p, root.Bytes(), retrievalmarket.QueryParams{})
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if err != nil {
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out[k] = api.QueryOffer{Err: err.Error(), Miner: p.Address, MinerPeerID: p.ID}
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} else {
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out[k] = api.QueryOffer{
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Root: root,
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Size: queryResponse.Size,
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MinPrice: utils.FromSharedTokenAmount(queryResponse.PieceRetrievalPrice()),
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Miner: p.Address, // TODO: check
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MinerPeerID: p.ID,
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}
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}
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}
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return out, nil
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}
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func (a *API) ClientImport(ctx context.Context, path string) (cid.Cid, error) {
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f, err := os.Open(path)
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if err != nil {
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return cid.Undef, err
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}
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stat, err := f.Stat()
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if err != nil {
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return cid.Undef, err
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}
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file, err := files.NewReaderPathFile(path, f, stat)
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if err != nil {
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return cid.Undef, err
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}
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bufferedDS := ipld.NewBufferedDAG(ctx, a.LocalDAG)
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params := ihelper.DagBuilderParams{
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Maxlinks: build.UnixfsLinksPerLevel,
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RawLeaves: true,
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CidBuilder: nil,
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Dagserv: bufferedDS,
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NoCopy: true,
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}
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db, err := params.New(chunker.NewSizeSplitter(file, int64(build.UnixfsChunkSize)))
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if err != nil {
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return cid.Undef, err
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}
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nd, err := balanced.Layout(db)
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if err != nil {
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return cid.Undef, err
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}
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if err := bufferedDS.Commit(); err != nil {
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return cid.Undef, err
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}
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return nd.Cid(), nil
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}
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func (a *API) ClientImportLocal(ctx context.Context, f io.Reader) (cid.Cid, error) {
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file := files.NewReaderFile(f)
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bufferedDS := ipld.NewBufferedDAG(ctx, a.LocalDAG)
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params := ihelper.DagBuilderParams{
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Maxlinks: build.UnixfsLinksPerLevel,
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RawLeaves: true,
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CidBuilder: nil,
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Dagserv: bufferedDS,
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}
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db, err := params.New(chunker.NewSizeSplitter(file, int64(build.UnixfsChunkSize)))
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if err != nil {
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return cid.Undef, err
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}
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nd, err := balanced.Layout(db)
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if err != nil {
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return cid.Undef, err
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}
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return nd.Cid(), bufferedDS.Commit()
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}
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func (a *API) ClientListImports(ctx context.Context) ([]api.Import, error) {
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if a.Filestore == nil {
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return nil, errors.New("listing imports is not supported with in-memory dag yet")
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}
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next, err := filestore.ListAll(a.Filestore, false)
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if err != nil {
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return nil, err
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}
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// TODO: make this less very bad by tracking root cids instead of using ListAll
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out := make([]api.Import, 0)
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for {
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r := next()
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if r == nil {
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return out, nil
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}
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if r.Offset != 0 {
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continue
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}
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out = append(out, api.Import{
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Status: r.Status,
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Key: r.Key,
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FilePath: r.FilePath,
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Size: r.Size,
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})
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}
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}
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func (a *API) ClientRetrieve(ctx context.Context, order api.RetrievalOrder, path string) error {
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if order.MinerPeerID == "" {
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pid, err := a.StateMinerPeerID(ctx, order.Miner, types.EmptyTSK)
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if err != nil {
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return err
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}
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order.MinerPeerID = pid
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}
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retrievalResult := make(chan error, 1)
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unsubscribe := a.Retrieval.SubscribeToEvents(func(event retrievalmarket.ClientEvent, state retrievalmarket.ClientDealState) {
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if bytes.Equal(state.PieceCID, order.Root.Bytes()) {
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switch event {
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case retrievalmarket.ClientEventError:
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retrievalResult <- xerrors.New("Retrieval Error")
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case retrievalmarket.ClientEventComplete:
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retrievalResult <- nil
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}
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}
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})
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a.Retrieval.Retrieve(
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ctx,
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order.Root.Bytes(),
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retrievalmarket.NewParamsV0(types.BigDiv(order.Total, types.NewInt(order.Size)).Int, 0, 0),
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utils.ToSharedTokenAmount(order.Total),
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order.MinerPeerID,
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order.Client,
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order.Miner)
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select {
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case <-ctx.Done():
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return xerrors.New("Retrieval Timed Out")
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case err := <-retrievalResult:
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if err != nil {
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return xerrors.Errorf("RetrieveUnixfs: %w", err)
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}
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}
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unsubscribe()
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nd, err := a.LocalDAG.Get(ctx, order.Root)
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if err != nil {
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return xerrors.Errorf("ClientRetrieve: %w", err)
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}
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file, err := unixfile.NewUnixfsFile(ctx, a.LocalDAG, nd)
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if err != nil {
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return xerrors.Errorf("ClientRetrieve: %w", err)
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}
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return files.WriteTo(file, path)
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}
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func (a *API) ClientQueryAsk(ctx context.Context, p peer.ID, miner address.Address) (*types.SignedStorageAsk, error) {
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info := utils.NewStorageProviderInfo(miner, address.Undef, 0, p)
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signedAsk, err := a.SMDealClient.GetAsk(ctx, info)
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if err != nil {
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return nil, err
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}
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return utils.FromSignedStorageAsk(signedAsk)
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}
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