lotus/markets/storageadapter/provider.go
2020-08-12 22:17:29 +02:00

460 lines
14 KiB
Go

package storageadapter
// this file implements storagemarket.StorageProviderNode
import (
"bytes"
"context"
"io"
"github.com/ipfs/go-cid"
logging "github.com/ipfs/go-log/v2"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-fil-markets/shared"
"github.com/filecoin-project/go-fil-markets/storagemarket"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/filecoin-project/specs-actors/actors/builtin/market"
"github.com/filecoin-project/specs-actors/actors/builtin/miner"
"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
"github.com/filecoin-project/specs-actors/actors/crypto"
"github.com/filecoin-project/specs-actors/actors/runtime/exitcode"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/events"
"github.com/filecoin-project/lotus/chain/events/state"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/lib/sigs"
"github.com/filecoin-project/lotus/markets/utils"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/filecoin-project/lotus/storage/sectorblocks"
sealing "github.com/filecoin-project/storage-fsm"
)
var log = logging.Logger("storageadapter")
type ProviderNodeAdapter struct {
api.FullNode
// this goes away with the data transfer module
dag dtypes.StagingDAG
secb *sectorblocks.SectorBlocks
ev *events.Events
}
func NewProviderNodeAdapter(dag dtypes.StagingDAG, secb *sectorblocks.SectorBlocks, full api.FullNode) storagemarket.StorageProviderNode {
return &ProviderNodeAdapter{
FullNode: full,
dag: dag,
secb: secb,
ev: events.NewEvents(context.TODO(), full),
}
}
func (n *ProviderNodeAdapter) PublishDeals(ctx context.Context, deal storagemarket.MinerDeal) (cid.Cid, error) {
log.Info("publishing deal")
mi, err := n.StateMinerInfo(ctx, deal.Proposal.Provider, types.EmptyTSK)
if err != nil {
return cid.Undef, err
}
params, err := actors.SerializeParams(&market.PublishStorageDealsParams{
Deals: []market.ClientDealProposal{deal.ClientDealProposal},
})
if err != nil {
return cid.Undef, xerrors.Errorf("serializing PublishStorageDeals params failed: ", err)
}
// TODO: We may want this to happen after fetching data
smsg, err := n.MpoolPushMessage(ctx, &types.Message{
To: builtin.StorageMarketActorAddr,
From: mi.Worker,
Value: types.NewInt(0),
Method: builtin.MethodsMarket.PublishStorageDeals,
Params: params,
}, nil)
if err != nil {
return cid.Undef, err
}
return smsg.Cid(), nil
}
func (n *ProviderNodeAdapter) OnDealComplete(ctx context.Context, deal storagemarket.MinerDeal, pieceSize abi.UnpaddedPieceSize, pieceData io.Reader) (*storagemarket.PackingResult, error) {
p, offset, err := n.secb.AddPiece(ctx, pieceSize, pieceData, sealing.DealInfo{
DealID: deal.DealID,
DealSchedule: sealing.DealSchedule{
StartEpoch: deal.ClientDealProposal.Proposal.StartEpoch,
EndEpoch: deal.ClientDealProposal.Proposal.EndEpoch,
},
KeepUnsealed: deal.FastRetrieval,
})
if err != nil {
return nil, xerrors.Errorf("AddPiece failed: %s", err)
}
log.Warnf("New Deal: deal %d", deal.DealID)
return &storagemarket.PackingResult{
SectorNumber: p,
Offset: offset,
Size: pieceSize.Padded(),
}, nil
}
func (n *ProviderNodeAdapter) VerifySignature(ctx context.Context, sig crypto.Signature, addr address.Address, input []byte, encodedTs shared.TipSetToken) (bool, error) {
addr, err := n.StateAccountKey(ctx, addr, types.EmptyTSK)
if err != nil {
return false, err
}
err = sigs.Verify(&sig, addr, input)
return err == nil, err
}
func (n *ProviderNodeAdapter) ListProviderDeals(ctx context.Context, addr address.Address, encodedTs shared.TipSetToken) ([]storagemarket.StorageDeal, error) {
tsk, err := types.TipSetKeyFromBytes(encodedTs)
if err != nil {
return nil, err
}
allDeals, err := n.StateMarketDeals(ctx, tsk)
if err != nil {
return nil, err
}
var out []storagemarket.StorageDeal
for _, deal := range allDeals {
sharedDeal := utils.FromOnChainDeal(deal.Proposal, deal.State)
if sharedDeal.Provider == addr {
out = append(out, sharedDeal)
}
}
return out, nil
}
func (n *ProviderNodeAdapter) GetMinerWorkerAddress(ctx context.Context, miner address.Address, tok shared.TipSetToken) (address.Address, error) {
tsk, err := types.TipSetKeyFromBytes(tok)
if err != nil {
return address.Undef, err
}
mi, err := n.StateMinerInfo(ctx, miner, tsk)
if err != nil {
return address.Address{}, err
}
return mi.Worker, nil
}
func (n *ProviderNodeAdapter) SignBytes(ctx context.Context, signer address.Address, b []byte) (*crypto.Signature, error) {
signer, err := n.StateAccountKey(ctx, signer, types.EmptyTSK)
if err != nil {
return nil, err
}
localSignature, err := n.WalletSign(ctx, signer, b)
if err != nil {
return nil, err
}
return localSignature, nil
}
func (n *ProviderNodeAdapter) EnsureFunds(ctx context.Context, addr, wallet address.Address, amt abi.TokenAmount, encodedTs shared.TipSetToken) (cid.Cid, error) {
return n.MarketEnsureAvailable(ctx, addr, wallet, amt)
}
// Adds funds with the StorageMinerActor for a storage participant. Used by both providers and clients.
func (n *ProviderNodeAdapter) AddFunds(ctx context.Context, addr address.Address, amount abi.TokenAmount) (cid.Cid, error) {
// (Provider Node API)
smsg, err := n.MpoolPushMessage(ctx, &types.Message{
To: builtin.StorageMarketActorAddr,
From: addr,
Value: amount,
Method: builtin.MethodsMarket.AddBalance,
}, nil)
if err != nil {
return cid.Undef, err
}
return smsg.Cid(), nil
}
func (n *ProviderNodeAdapter) GetBalance(ctx context.Context, addr address.Address, encodedTs shared.TipSetToken) (storagemarket.Balance, error) {
tsk, err := types.TipSetKeyFromBytes(encodedTs)
if err != nil {
return storagemarket.Balance{}, err
}
bal, err := n.StateMarketBalance(ctx, addr, tsk)
if err != nil {
return storagemarket.Balance{}, err
}
return utils.ToSharedBalance(bal), nil
}
// TODO: why doesnt this method take in a sector ID?
func (n *ProviderNodeAdapter) LocatePieceForDealWithinSector(ctx context.Context, dealID abi.DealID, encodedTs shared.TipSetToken) (sectorID abi.SectorNumber, offset abi.PaddedPieceSize, length abi.PaddedPieceSize, err error) {
refs, err := n.secb.GetRefs(dealID)
if err != nil {
return 0, 0, 0, err
}
if len(refs) == 0 {
return 0, 0, 0, xerrors.New("no sector information for deal ID")
}
// TODO: better strategy (e.g. look for already unsealed)
var best api.SealedRef
var bestSi sealing.SectorInfo
for _, r := range refs {
si, err := n.secb.Miner.GetSectorInfo(r.SectorID)
if err != nil {
return 0, 0, 0, xerrors.Errorf("getting sector info: %w", err)
}
if si.State == sealing.Proving {
best = r
bestSi = si
break
}
}
if bestSi.State == sealing.UndefinedSectorState {
return 0, 0, 0, xerrors.New("no sealed sector found")
}
return best.SectorID, best.Offset, best.Size.Padded(), nil
}
func (n *ProviderNodeAdapter) DealProviderCollateralBounds(ctx context.Context, size abi.PaddedPieceSize, isVerified bool) (abi.TokenAmount, abi.TokenAmount, error) {
bounds, err := n.StateDealProviderCollateralBounds(ctx, size, isVerified, types.EmptyTSK)
if err != nil {
return abi.TokenAmount{}, abi.TokenAmount{}, err
}
return bounds.Min, bounds.Max, nil
}
func (n *ProviderNodeAdapter) OnDealSectorCommitted(ctx context.Context, provider address.Address, dealID abi.DealID, cb storagemarket.DealSectorCommittedCallback) error {
checkFunc := func(ts *types.TipSet) (done bool, more bool, err error) {
sd, err := n.StateMarketStorageDeal(ctx, dealID, ts.Key())
if err != nil {
// TODO: This may be fine for some errors
return false, false, xerrors.Errorf("failed to look up deal on chain: %w", err)
}
if sd.State.SectorStartEpoch > 0 {
cb(nil)
return true, false, nil
}
return false, true, nil
}
called := func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH abi.ChainEpoch) (more bool, err error) {
defer func() {
if err != nil {
cb(xerrors.Errorf("handling applied event: %w", err))
}
}()
if msg == nil {
log.Error("timed out waiting for deal activation... what now?")
return false, nil
}
sd, err := n.StateMarketStorageDeal(ctx, abi.DealID(dealID), ts.Key())
if err != nil {
return false, xerrors.Errorf("failed to look up deal on chain: %w", err)
}
if sd.State.SectorStartEpoch < 1 {
return false, xerrors.Errorf("deal wasn't active: deal=%d, parentState=%s, h=%d", dealID, ts.ParentState(), ts.Height())
}
log.Infof("Storage deal %d activated at epoch %d", dealID, sd.State.SectorStartEpoch)
cb(nil)
return false, nil
}
revert := func(ctx context.Context, ts *types.TipSet) error {
log.Warn("deal activation reverted; TODO: actually handle this!")
// TODO: Just go back to DealSealing?
return nil
}
var sectorNumber abi.SectorNumber
var sectorFound bool
matchEvent := func(msg *types.Message) (matchOnce bool, matched bool, err error) {
if msg.To != provider {
return true, false, nil
}
switch msg.Method {
case builtin.MethodsMiner.PreCommitSector:
var params miner.SectorPreCommitInfo
if err := params.UnmarshalCBOR(bytes.NewReader(msg.Params)); err != nil {
return true, false, xerrors.Errorf("unmarshal pre commit: %w", err)
}
for _, did := range params.DealIDs {
if did == abi.DealID(dealID) {
sectorNumber = params.SectorNumber
sectorFound = true
return true, false, nil
}
}
return true, false, nil
case builtin.MethodsMiner.ProveCommitSector:
var params miner.ProveCommitSectorParams
if err := params.UnmarshalCBOR(bytes.NewReader(msg.Params)); err != nil {
return true, false, xerrors.Errorf("failed to unmarshal prove commit sector params: %w", err)
}
if !sectorFound {
return true, false, nil
}
if params.SectorNumber != sectorNumber {
return true, false, nil
}
return false, true, nil
default:
return true, false, nil
}
}
if err := n.ev.Called(checkFunc, called, revert, int(build.MessageConfidence+1), build.SealRandomnessLookbackLimit, matchEvent); err != nil {
return xerrors.Errorf("failed to set up called handler: %w", err)
}
return nil
}
func (n *ProviderNodeAdapter) GetChainHead(ctx context.Context) (shared.TipSetToken, abi.ChainEpoch, error) {
head, err := n.ChainHead(ctx)
if err != nil {
return nil, 0, err
}
return head.Key().Bytes(), head.Height(), nil
}
func (n *ProviderNodeAdapter) WaitForMessage(ctx context.Context, mcid cid.Cid, cb func(code exitcode.ExitCode, bytes []byte, err error) error) error {
receipt, err := n.StateWaitMsg(ctx, mcid, build.MessageConfidence)
if err != nil {
return cb(0, nil, err)
}
return cb(receipt.Receipt.ExitCode, receipt.Receipt.Return, nil)
}
func (n *ProviderNodeAdapter) GetDataCap(ctx context.Context, addr address.Address, encodedTs shared.TipSetToken) (*verifreg.DataCap, error) {
tsk, err := types.TipSetKeyFromBytes(encodedTs)
if err != nil {
return nil, err
}
return n.StateVerifiedClientStatus(ctx, addr, tsk)
}
func (n *ProviderNodeAdapter) OnDealExpiredOrSlashed(ctx context.Context, dealID abi.DealID, onDealExpired storagemarket.DealExpiredCallback, onDealSlashed storagemarket.DealSlashedCallback) error {
head, err := n.ChainHead(ctx)
if err != nil {
return xerrors.Errorf("client: failed to get chain head: %w", err)
}
sd, err := n.StateMarketStorageDeal(ctx, dealID, head.Key())
if err != nil {
return xerrors.Errorf("client: failed to look up deal %d on chain: %w", dealID, err)
}
// Called immediately to check if the deal has already expired or been slashed
checkFunc := func(ts *types.TipSet) (done bool, more bool, err error) {
// Check if the deal has already expired
if sd.Proposal.EndEpoch <= ts.Height() {
onDealExpired(nil)
return true, false, nil
}
// If there is no deal assume it's already been slashed
if sd.State.SectorStartEpoch < 0 {
onDealSlashed(ts.Height(), nil)
return true, false, nil
}
// No events have occurred yet, so return
// done: false, more: true (keep listening for events)
return false, true, nil
}
// Called when there was a match against the state change we're looking for
// and the chain has advanced to the confidence height
stateChanged := func(ts *types.TipSet, ts2 *types.TipSet, states events.StateChange, h abi.ChainEpoch) (more bool, err error) {
// Check if the deal has already expired
if sd.Proposal.EndEpoch <= ts2.Height() {
onDealExpired(nil)
return false, nil
}
// Timeout waiting for state change
if states == nil {
log.Error("timed out waiting for deal expiry")
return false, nil
}
changedDeals, ok := states.(state.ChangedDeals)
if !ok {
panic("Expected state.ChangedDeals")
}
deal, ok := changedDeals[dealID]
if !ok {
// No change to deal
return true, nil
}
// Deal was slashed
if deal.To == nil {
onDealSlashed(ts2.Height(), nil)
return false, nil
}
return true, nil
}
// Called when there was a chain reorg and the state change was reverted
revert := func(ctx context.Context, ts *types.TipSet) error {
// TODO: Is it ok to just ignore this?
log.Warn("deal state reverted; TODO: actually handle this!")
return nil
}
// Watch for state changes to the deal
preds := state.NewStatePredicates(n)
dealDiff := preds.OnStorageMarketActorChanged(
preds.OnDealStateChanged(
preds.DealStateChangedForIDs([]abi.DealID{dealID})))
match := func(oldTs, newTs *types.TipSet) (bool, events.StateChange, error) {
return dealDiff(ctx, oldTs.Key(), newTs.Key())
}
// Wait until after the end epoch for the deal and then timeout
timeout := (sd.Proposal.EndEpoch - head.Height()) + 1
if err := n.ev.StateChanged(checkFunc, stateChanged, revert, int(build.MessageConfidence)+1, timeout, match); err != nil {
return xerrors.Errorf("failed to set up state changed handler: %w", err)
}
return nil
}
var _ storagemarket.StorageProviderNode = &ProviderNodeAdapter{}