448 lines
14 KiB
Go
448 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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market0 "github.com/filecoin-project/specs-actors/actors/builtin/market"
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builtin6 "github.com/filecoin-project/specs-actors/v6/actors/builtin"
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"github.com/ipfs/go-cid"
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"go.uber.org/fx"
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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/big"
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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/api"
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"github.com/filecoin-project/lotus/build"
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marketactor "github.com/filecoin-project/lotus/chain/actors/builtin/market"
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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/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/filecoin-project/lotus/node/modules/helpers"
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)
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type ClientNodeAdapter struct {
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*clientApi
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fundmgr *market.FundManager
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ev *events.Events
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dsMatcher *dealStateMatcher
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scMgr *SectorCommittedManager
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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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full.MpoolAPI
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}
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func NewClientNodeAdapter(mctx helpers.MetricsCtx, lc fx.Lifecycle, stateapi full.StateAPI, chain full.ChainAPI, mpool full.MpoolAPI, fundmgr *market.FundManager) (storagemarket.StorageClientNode, error) {
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capi := &clientApi{chain, stateapi, mpool}
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ctx := helpers.LifecycleCtx(mctx, lc)
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ev, err := events.NewEvents(ctx, capi)
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if err != nil {
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return nil, err
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}
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a := &ClientNodeAdapter{
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clientApi: capi,
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fundmgr: fundmgr,
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ev: ev,
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dsMatcher: newDealStateMatcher(state.NewStatePredicates(state.WrapFastAPI(capi))),
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}
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a.scMgr = NewSectorCommittedManager(ev, a, &apiWrapper{api: capi})
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return a, nil
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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: marketactor.Address,
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From: addr,
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Value: amount,
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Method: builtin6.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) ReserveFunds(ctx context.Context, wallet, addr address.Address, amt abi.TokenAmount) (cid.Cid, error) {
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return c.fundmgr.Reserve(ctx, wallet, addr, amt)
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}
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func (c *ClientNodeAdapter) ReleaseFunds(ctx context.Context, addr address.Address, amt abi.TokenAmount) error {
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return c.fundmgr.Release(addr, amt)
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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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// TODO: Don't return deal ID
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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.ChainGetMessage(ctx, *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 := c.StateMinerInfo(ctx, deal.Proposal.Provider, types.EmptyTSK)
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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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var pubOk bool
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pubAddrs := append([]address.Address{mi.Worker, mi.Owner}, mi.ControlAddresses...)
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for _, a := range pubAddrs {
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if fromid == a {
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pubOk = true
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break
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}
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}
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if !pubOk {
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return 0, xerrors.Errorf("deal wasn't published by storage provider: from=%s, provider=%s,%+v", pubmsg.From, deal.Proposal.Provider, pubAddrs)
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}
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if pubmsg.To != marketactor.Address {
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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 != builtin6.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 marketactor.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.StateWaitMsg(ctx, *deal.PublishMessage, build.MessageConfidence, api.LookbackNoLimit, true)
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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.Receipt.ExitCode != 0 {
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return 0, xerrors.Errorf("deal publish failed: exit=%d", ret.Receipt.ExitCode)
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}
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nv, err := c.StateNetworkVersion(ctx, ret.TipSet)
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if err != nil {
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return 0, xerrors.Errorf("getting network version: %w", err)
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}
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res, err := marketactor.DecodePublishStorageDealsReturn(ret.Receipt.Return, nv)
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if err != nil {
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return 0, xerrors.Errorf("decoding deal publish return: %w", err)
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}
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dealIDs, err := res.DealIDs()
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if err != nil {
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return 0, xerrors.Errorf("getting dealIDs: %w", err)
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}
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if dealIdx >= len(dealIDs) {
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return 0, xerrors.Errorf(
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"deal index %d out of bounds of deals (len %d) in publish deals message %s",
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dealIdx, len(dealIDs), pubmsg.Cid())
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}
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valid, err := res.IsDealValid(uint64(dealIdx))
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if err != nil {
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return 0, xerrors.Errorf("determining deal validity: %w", err)
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}
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if !valid {
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return 0, xerrors.New("deal was invalid at publication")
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}
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return dealIDs[dealIdx], nil
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}
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var clientOverestimation = struct {
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numerator int64
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denominator int64
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}{
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numerator: 12,
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denominator: 10,
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}
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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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min := big.Mul(bounds.Min, big.NewInt(clientOverestimation.numerator))
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min = big.Div(min, big.NewInt(clientOverestimation.denominator))
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return min, bounds.Max, nil
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}
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// TODO: Remove dealID parameter, change publishCid to be cid.Cid (instead of pointer)
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func (c *ClientNodeAdapter) OnDealSectorPreCommitted(ctx context.Context, provider address.Address, dealID abi.DealID, proposal market0.DealProposal, publishCid *cid.Cid, cb storagemarket.DealSectorPreCommittedCallback) error {
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return c.scMgr.OnDealSectorPreCommitted(ctx, provider, marketactor.DealProposal(proposal), *publishCid, cb)
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}
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// TODO: Remove dealID parameter, change publishCid to be cid.Cid (instead of pointer)
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func (c *ClientNodeAdapter) OnDealSectorCommitted(ctx context.Context, provider address.Address, dealID abi.DealID, sectorNumber abi.SectorNumber, proposal market0.DealProposal, publishCid *cid.Cid, cb storagemarket.DealSectorCommittedCallback) error {
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return c.scMgr.OnDealSectorCommitted(ctx, provider, sectorNumber, marketactor.DealProposal(proposal), *publishCid, cb)
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}
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// TODO: Replace dealID parameter with DealProposal
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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(ctx context.Context, 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 ts2 == nil || 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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match := c.dsMatcher.matcher(ctx, dealID)
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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) (*marketactor.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, api.MsgMeta{
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Type: api.MTDealProposal,
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})
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if err != nil {
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return nil, err
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}
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return &marketactor.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.DefWallet.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, api.LookbackNoLimit, true)
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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, api.MsgMeta{
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Type: api.MTUnknown, // TODO: pass type here
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})
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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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