486 lines
14 KiB
Go
486 lines
14 KiB
Go
package storageadapter
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// this file implements storagemarket.StorageClientNode
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import (
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"bytes"
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"context"
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"github.com/filecoin-project/go-state-types/big"
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miner0 "github.com/filecoin-project/specs-actors/actors/builtin"
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market0 "github.com/filecoin-project/specs-actors/actors/builtin/market"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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cborutil "github.com/filecoin-project/go-cbor-util"
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"github.com/filecoin-project/go-fil-markets/shared"
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"github.com/filecoin-project/go-fil-markets/storagemarket"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/crypto"
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"github.com/filecoin-project/go-state-types/exitcode"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
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"github.com/filecoin-project/lotus/chain/events"
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"github.com/filecoin-project/lotus/chain/events/state"
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"github.com/filecoin-project/lotus/chain/market"
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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/lib/sigs"
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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/ipfs/go-cid"
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)
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type ClientNodeAdapter struct {
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full.StateAPI
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full.ChainAPI
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full.MpoolAPI
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sm *stmgr.StateManager
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cs *store.ChainStore
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fm *market.FundMgr
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ev *events.Events
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}
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type clientApi struct {
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full.ChainAPI
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full.StateAPI
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}
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func NewClientNodeAdapter(state full.StateAPI, chain full.ChainAPI, mpool full.MpoolAPI, sm *stmgr.StateManager, cs *store.ChainStore, fm *market.FundMgr) storagemarket.StorageClientNode {
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return &ClientNodeAdapter{
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StateAPI: state,
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ChainAPI: chain,
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MpoolAPI: mpool,
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sm: sm,
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cs: cs,
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fm: fm,
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ev: events.NewEvents(context.TODO(), &clientApi{chain, state}),
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}
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}
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func (c *ClientNodeAdapter) ListStorageProviders(ctx context.Context, encodedTs shared.TipSetToken) ([]*storagemarket.StorageProviderInfo, error) {
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tsk, err := types.TipSetKeyFromBytes(encodedTs)
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if err != nil {
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return nil, err
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}
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addresses, err := c.StateListMiners(ctx, tsk)
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if err != nil {
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return nil, err
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}
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var out []*storagemarket.StorageProviderInfo
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for _, addr := range addresses {
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mi, err := c.GetMinerInfo(ctx, addr, encodedTs)
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if err != nil {
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return nil, err
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}
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out = append(out, mi)
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}
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return out, nil
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}
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func (c *ClientNodeAdapter) VerifySignature(ctx context.Context, sig crypto.Signature, addr address.Address, input []byte, encodedTs shared.TipSetToken) (bool, error) {
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addr, err := c.StateAccountKey(ctx, addr, types.EmptyTSK)
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if err != nil {
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return false, err
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}
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err = sigs.Verify(&sig, addr, input)
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return err == nil, err
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}
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// Adds funds with the StorageMinerActor for a storage participant. Used by both providers and clients.
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func (c *ClientNodeAdapter) AddFunds(ctx context.Context, addr address.Address, amount abi.TokenAmount) (cid.Cid, error) {
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// (Provider Node API)
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smsg, err := c.MpoolPushMessage(ctx, &types.Message{
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To: miner0.StorageMarketActorAddr,
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From: addr,
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Value: amount,
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Method: miner0.MethodsMarket.AddBalance,
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}, nil)
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if err != nil {
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return cid.Undef, err
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}
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return smsg.Cid(), nil
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}
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func (c *ClientNodeAdapter) EnsureFunds(ctx context.Context, addr, wallet address.Address, amount abi.TokenAmount, ts shared.TipSetToken) (cid.Cid, error) {
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return c.fm.EnsureAvailable(ctx, addr, wallet, amount)
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}
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func (c *ClientNodeAdapter) GetBalance(ctx context.Context, addr address.Address, encodedTs shared.TipSetToken) (storagemarket.Balance, error) {
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tsk, err := types.TipSetKeyFromBytes(encodedTs)
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if err != nil {
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return storagemarket.Balance{}, err
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}
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bal, err := c.StateMarketBalance(ctx, addr, tsk)
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if err != nil {
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return storagemarket.Balance{}, err
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}
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return utils.ToSharedBalance(bal), nil
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}
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// ValidatePublishedDeal validates that the provided deal has appeared on chain and references the same ClientDeal
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// returns the Deal id if there is no error
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func (c *ClientNodeAdapter) ValidatePublishedDeal(ctx context.Context, deal storagemarket.ClientDeal) (abi.DealID, error) {
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log.Infow("DEAL ACCEPTED!")
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pubmsg, err := c.cs.GetMessage(*deal.PublishMessage)
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if err != nil {
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return 0, xerrors.Errorf("getting deal publish message: %w", err)
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}
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mi, err := stmgr.StateMinerInfo(ctx, c.sm, c.cs.GetHeaviestTipSet(), deal.Proposal.Provider)
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if err != nil {
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return 0, xerrors.Errorf("getting miner worker failed: %w", err)
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}
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fromid, err := c.StateLookupID(ctx, pubmsg.From, types.EmptyTSK)
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if err != nil {
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return 0, xerrors.Errorf("failed to resolve from msg ID addr: %w", err)
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}
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if fromid != mi.Worker {
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return 0, xerrors.Errorf("deal wasn't published by storage provider: from=%s, provider=%s", pubmsg.From, deal.Proposal.Provider)
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}
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if pubmsg.To != miner0.StorageMarketActorAddr {
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return 0, xerrors.Errorf("deal publish message wasn't set to StorageMarket actor (to=%s)", pubmsg.To)
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}
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if pubmsg.Method != miner0.MethodsMarket.PublishStorageDeals {
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return 0, xerrors.Errorf("deal publish message called incorrect method (method=%s)", pubmsg.Method)
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}
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var params market0.PublishStorageDealsParams
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if err := params.UnmarshalCBOR(bytes.NewReader(pubmsg.Params)); err != nil {
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return 0, err
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}
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dealIdx := -1
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for i, storageDeal := range params.Deals {
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// TODO: make it less hacky
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sd := storageDeal
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eq, err := cborutil.Equals(&deal.ClientDealProposal, &sd)
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if err != nil {
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return 0, err
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}
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if eq {
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dealIdx = i
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break
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}
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}
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if dealIdx == -1 {
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return 0, xerrors.Errorf("deal publish didn't contain our deal (message cid: %s)", deal.PublishMessage)
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}
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// TODO: timeout
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_, ret, _, err := c.sm.WaitForMessage(ctx, *deal.PublishMessage, build.MessageConfidence)
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if err != nil {
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return 0, xerrors.Errorf("waiting for deal publish message: %w", err)
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}
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if ret.ExitCode != 0 {
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return 0, xerrors.Errorf("deal publish failed: exit=%d", ret.ExitCode)
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}
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var res market0.PublishStorageDealsReturn
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if err := res.UnmarshalCBOR(bytes.NewReader(ret.Return)); err != nil {
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return 0, err
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}
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return res.IDs[dealIdx], nil
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}
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const clientOverestimation = 2
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func (c *ClientNodeAdapter) DealProviderCollateralBounds(ctx context.Context, size abi.PaddedPieceSize, isVerified bool) (abi.TokenAmount, abi.TokenAmount, error) {
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bounds, err := c.StateDealProviderCollateralBounds(ctx, size, isVerified, types.EmptyTSK)
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if err != nil {
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return abi.TokenAmount{}, abi.TokenAmount{}, err
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}
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return big.Mul(bounds.Min, big.NewInt(clientOverestimation)), bounds.Max, nil
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}
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func (c *ClientNodeAdapter) OnDealSectorCommitted(ctx context.Context, provider address.Address, dealId abi.DealID, cb storagemarket.DealSectorCommittedCallback) error {
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checkFunc := func(ts *types.TipSet) (done bool, more bool, err error) {
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sd, err := stmgr.GetStorageDeal(ctx, c.StateManager, dealId, ts)
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if err != nil {
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// TODO: This may be fine for some errors
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return false, false, xerrors.Errorf("client: failed to look up deal on chain: %w", err)
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}
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if sd.State.SectorStartEpoch > 0 {
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cb(nil)
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return true, false, nil
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}
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return false, true, nil
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}
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called := func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (more bool, err error) {
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defer func() {
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if err != nil {
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cb(xerrors.Errorf("handling applied event: %w", err))
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}
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}()
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if msg == nil {
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log.Error("timed out waiting for deal activation... what now?")
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return false, nil
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}
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sd, err := stmgr.GetStorageDeal(ctx, c.StateManager, dealId, ts)
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if err != nil {
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return false, xerrors.Errorf("failed to look up deal on chain: %w", err)
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}
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if sd.State.SectorStartEpoch < 1 {
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return false, xerrors.Errorf("deal wasn't active: deal=%d, parentState=%s, h=%d", dealId, ts.ParentState(), ts.Height())
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}
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log.Infof("Storage deal %d activated at epoch %d", dealId, sd.State.SectorStartEpoch)
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cb(nil)
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return false, nil
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}
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revert := func(ctx context.Context, ts *types.TipSet) error {
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log.Warn("deal activation reverted; TODO: actually handle this!")
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// TODO: Just go back to DealSealing?
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return nil
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}
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var sectorNumber abi.SectorNumber
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var sectorFound bool
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matchEvent := func(msg *types.Message) (matchOnce bool, matched bool, err error) {
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if msg.To != provider {
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return true, false, nil
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}
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switch msg.Method {
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case miner0.MethodsMiner.PreCommitSector:
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var params miner.SectorPreCommitInfo
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if err := params.UnmarshalCBOR(bytes.NewReader(msg.Params)); err != nil {
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return true, false, xerrors.Errorf("unmarshal pre commit: %w", err)
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}
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for _, did := range params.DealIDs {
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if did == dealId {
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sectorNumber = params.SectorNumber
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sectorFound = true
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return true, false, nil
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}
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}
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return true, false, nil
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case miner0.MethodsMiner.ProveCommitSector:
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var params miner.ProveCommitSectorParams
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if err := params.UnmarshalCBOR(bytes.NewReader(msg.Params)); err != nil {
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return true, false, xerrors.Errorf("failed to unmarshal prove commit sector params: %w", err)
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}
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if !sectorFound {
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return true, false, nil
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}
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if params.SectorNumber != sectorNumber {
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return true, false, nil
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}
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return false, true, nil
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default:
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return true, false, nil
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}
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}
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if err := c.ev.Called(checkFunc, called, revert, int(build.MessageConfidence+1), events.NoTimeout, matchEvent); err != nil {
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return xerrors.Errorf("failed to set up called handler: %w", err)
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}
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return nil
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}
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func (c *ClientNodeAdapter) OnDealExpiredOrSlashed(ctx context.Context, dealID abi.DealID, onDealExpired storagemarket.DealExpiredCallback, onDealSlashed storagemarket.DealSlashedCallback) error {
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head, err := c.ChainHead(ctx)
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if err != nil {
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return xerrors.Errorf("client: failed to get chain head: %w", err)
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}
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sd, err := c.StateMarketStorageDeal(ctx, dealID, head.Key())
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if err != nil {
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return xerrors.Errorf("client: failed to look up deal %d on chain: %w", dealID, err)
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}
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// Called immediately to check if the deal has already expired or been slashed
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checkFunc := func(ts *types.TipSet) (done bool, more bool, err error) {
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if ts == nil {
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// keep listening for events
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return false, true, nil
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}
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// Check if the deal has already expired
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if sd.Proposal.EndEpoch <= ts.Height() {
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onDealExpired(nil)
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return true, false, nil
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}
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// If there is no deal assume it's already been slashed
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if sd.State.SectorStartEpoch < 0 {
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onDealSlashed(ts.Height(), nil)
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return true, false, nil
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}
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// No events have occurred yet, so return
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// done: false, more: true (keep listening for events)
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return false, true, nil
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}
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// Called when there was a match against the state change we're looking for
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// and the chain has advanced to the confidence height
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stateChanged := func(ts *types.TipSet, ts2 *types.TipSet, states events.StateChange, h abi.ChainEpoch) (more bool, err error) {
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// Check if the deal has already expired
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if sd.Proposal.EndEpoch <= ts2.Height() {
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onDealExpired(nil)
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return false, nil
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}
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// Timeout waiting for state change
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if states == nil {
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log.Error("timed out waiting for deal expiry")
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return false, nil
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}
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changedDeals, ok := states.(state.ChangedDeals)
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if !ok {
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panic("Expected state.ChangedDeals")
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}
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deal, ok := changedDeals[dealID]
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if !ok {
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// No change to deal
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return true, nil
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}
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// Deal was slashed
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if deal.To == nil {
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onDealSlashed(ts2.Height(), nil)
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return false, nil
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}
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return true, nil
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}
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// Called when there was a chain reorg and the state change was reverted
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revert := func(ctx context.Context, ts *types.TipSet) error {
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// TODO: Is it ok to just ignore this?
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log.Warn("deal state reverted; TODO: actually handle this!")
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return nil
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}
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// Watch for state changes to the deal
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preds := state.NewStatePredicates(c)
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dealDiff := preds.OnStorageMarketActorChanged(
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preds.OnDealStateChanged(
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preds.DealStateChangedForIDs([]abi.DealID{dealID})))
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match := func(oldTs, newTs *types.TipSet) (bool, events.StateChange, error) {
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return dealDiff(ctx, oldTs.Key(), newTs.Key())
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}
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// Wait until after the end epoch for the deal and then timeout
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timeout := (sd.Proposal.EndEpoch - head.Height()) + 1
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if err := c.ev.StateChanged(checkFunc, stateChanged, revert, int(build.MessageConfidence)+1, timeout, match); err != nil {
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return xerrors.Errorf("failed to set up state changed handler: %w", err)
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}
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return nil
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}
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func (c *ClientNodeAdapter) SignProposal(ctx context.Context, signer address.Address, proposal market0.DealProposal) (*market0.ClientDealProposal, error) {
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// TODO: output spec signed proposal
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buf, err := cborutil.Dump(&proposal)
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if err != nil {
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return nil, err
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}
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signer, err = c.StateAccountKey(ctx, signer, types.EmptyTSK)
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if err != nil {
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return nil, err
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}
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sig, err := c.Wallet.WalletSign(ctx, signer, buf)
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if err != nil {
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return nil, err
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}
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return &market0.ClientDealProposal{
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Proposal: proposal,
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ClientSignature: *sig,
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}, nil
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}
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func (c *ClientNodeAdapter) GetDefaultWalletAddress(ctx context.Context) (address.Address, error) {
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addr, err := c.Wallet.GetDefault()
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return addr, err
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}
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func (c *ClientNodeAdapter) GetChainHead(ctx context.Context) (shared.TipSetToken, abi.ChainEpoch, error) {
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head, err := c.ChainHead(ctx)
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if err != nil {
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return nil, 0, err
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}
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return head.Key().Bytes(), head.Height(), nil
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}
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func (c *ClientNodeAdapter) WaitForMessage(ctx context.Context, mcid cid.Cid, cb func(code exitcode.ExitCode, bytes []byte, finalCid cid.Cid, err error) error) error {
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receipt, err := c.StateWaitMsg(ctx, mcid, build.MessageConfidence)
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if err != nil {
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return cb(0, nil, cid.Undef, err)
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}
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return cb(receipt.Receipt.ExitCode, receipt.Receipt.Return, receipt.Message, nil)
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}
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func (c *ClientNodeAdapter) GetMinerInfo(ctx context.Context, addr address.Address, encodedTs shared.TipSetToken) (*storagemarket.StorageProviderInfo, error) {
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tsk, err := types.TipSetKeyFromBytes(encodedTs)
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if err != nil {
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return nil, err
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}
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mi, err := c.StateMinerInfo(ctx, addr, tsk)
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if err != nil {
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return nil, err
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}
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out := utils.NewStorageProviderInfo(addr, mi.Worker, mi.SectorSize, *mi.PeerId, mi.Multiaddrs)
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return &out, nil
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}
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func (c *ClientNodeAdapter) SignBytes(ctx context.Context, signer address.Address, b []byte) (*crypto.Signature, error) {
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signer, err := c.StateAccountKey(ctx, signer, types.EmptyTSK)
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if err != nil {
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return nil, err
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}
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localSignature, err := c.Wallet.WalletSign(ctx, signer, b)
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if err != nil {
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return nil, err
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}
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return localSignature, nil
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}
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var _ storagemarket.StorageClientNode = &ClientNodeAdapter{}
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