376 lines
10 KiB
Go
376 lines
10 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-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/specs-actors/actors/abi"
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"github.com/filecoin-project/specs-actors/actors/builtin"
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samarket "github.com/filecoin-project/specs-actors/actors/builtin/market"
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"github.com/filecoin-project/specs-actors/actors/builtin/miner"
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"github.com/filecoin-project/specs-actors/actors/crypto"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/events"
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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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)
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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 (n *ClientNodeAdapter) ListStorageProviders(ctx context.Context) ([]*storagemarket.StorageProviderInfo, error) {
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ts, err := n.ChainHead(ctx)
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if err != nil {
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return nil, err
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}
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addresses, err := n.StateListMiners(ctx, ts.Key())
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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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workerAddr, err := n.StateMinerWorker(ctx, addr, ts.Key())
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if err != nil {
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return nil, err
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}
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sectorSize, err := n.StateMinerSectorSize(ctx, addr, ts.Key())
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if err != nil {
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return nil, err
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}
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peerId, err := n.StateMinerPeerID(ctx, addr, ts.Key())
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if err != nil {
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return nil, err
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}
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storageProviderInfo := utils.NewStorageProviderInfo(addr, workerAddr, sectorSize, peerId)
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out = append(out, &storageProviderInfo)
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}
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return out, nil
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}
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func (n *ClientNodeAdapter) VerifySignature(sig crypto.Signature, addr address.Address, input []byte) bool {
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err := sigs.Verify(&sig, addr, input)
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return err == nil
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}
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func (n *ClientNodeAdapter) ListClientDeals(ctx context.Context, addr address.Address) ([]storagemarket.StorageDeal, error) {
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allDeals, err := n.StateMarketDeals(ctx, types.EmptyTSK)
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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.StorageDeal
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for _, deal := range allDeals {
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storageDeal := utils.FromOnChainDeal(deal.Proposal, deal.State)
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if storageDeal.Client == addr {
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out = append(out, storageDeal)
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}
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}
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return out, nil
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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 (n *ClientNodeAdapter) AddFunds(ctx context.Context, addr address.Address, amount abi.TokenAmount) error {
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// (Provider Node API)
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smsg, err := n.MpoolPushMessage(ctx, &types.Message{
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To: builtin.StorageMarketActorAddr,
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From: addr,
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Value: amount,
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GasPrice: types.NewInt(0),
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GasLimit: types.NewInt(1000000),
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Method: builtin.MethodsMarket.AddBalance,
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})
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if err != nil {
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return err
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}
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r, err := n.StateWaitMsg(ctx, smsg.Cid())
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if err != nil {
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return err
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}
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if r.Receipt.ExitCode != 0 {
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return xerrors.Errorf("adding funds to storage miner market actor failed: exit %d", r.Receipt.ExitCode)
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}
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return nil
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}
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func (n *ClientNodeAdapter) EnsureFunds(ctx context.Context, addr, wallet address.Address, amount abi.TokenAmount) error {
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return n.fm.EnsureAvailable(ctx, addr, wallet, amount)
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}
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func (n *ClientNodeAdapter) GetBalance(ctx context.Context, addr address.Address) (storagemarket.Balance, error) {
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bal, err := n.StateMarketBalance(ctx, addr, types.EmptyTSK)
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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 pubsish message: %w", err)
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}
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pw, err := stmgr.GetMinerWorker(ctx, c.sm, nil, 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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if pubmsg.From != pw {
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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 != builtin.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 != builtin.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 samarket.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)
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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 samarket.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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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("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, abi.DealID(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) (bool, error) {
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if msg.To != provider {
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return false, nil
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}
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switch msg.Method {
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case builtin.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 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 == abi.DealID(dealId) {
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sectorNumber = params.SectorNumber
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sectorFound = true
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return false, nil
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}
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}
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return false, nil
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case builtin.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 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 false, nil
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}
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if params.SectorNumber != sectorNumber {
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return false, nil
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}
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return true, nil
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default:
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return false, nil
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}
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}
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if err := c.ev.Called(checkFunc, called, revert, 3, build.SealRandomnessLookbackLimit, 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 (n *ClientNodeAdapter) SignProposal(ctx context.Context, signer address.Address, proposal samarket.DealProposal) (*samarket.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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sig, err := n.Wallet.Sign(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 &samarket.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 (n *ClientNodeAdapter) GetDefaultWalletAddress(ctx context.Context) (address.Address, error) {
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addr, err := n.Wallet.GetDefault()
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return addr, err
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}
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func (n *ClientNodeAdapter) ValidateAskSignature(ask *storagemarket.SignedStorageAsk) error {
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tss := n.cs.GetHeaviestTipSet().ParentState()
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w, err := stmgr.GetMinerWorkerRaw(context.TODO(), n.StateManager, tss, ask.Ask.Miner)
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if err != nil {
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return xerrors.Errorf("failed to get worker for miner in ask", err)
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}
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sigb, err := cborutil.Dump(ask.Ask)
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if err != nil {
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return xerrors.Errorf("failed to re-serialize ask")
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}
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return sigs.Verify(ask.Signature, w, sigb)
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}
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func (n *ClientNodeAdapter) GetChainHead(ctx context.Context) (shared.TipSetToken, abi.ChainEpoch, error) {
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head, err := n.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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var _ storagemarket.StorageClientNode = &ClientNodeAdapter{}
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