249 lines
8.0 KiB
Go
249 lines
8.0 KiB
Go
package deals
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"github.com/filecoin-project/go-lotus/api"
|
|
"github.com/filecoin-project/go-lotus/build"
|
|
|
|
cbor "github.com/ipfs/go-ipld-cbor"
|
|
"github.com/ipfs/go-merkledag"
|
|
unixfile "github.com/ipfs/go-unixfs/file"
|
|
"golang.org/x/xerrors"
|
|
|
|
"github.com/filecoin-project/go-lotus/chain/actors"
|
|
"github.com/filecoin-project/go-lotus/chain/types"
|
|
"github.com/filecoin-project/go-lotus/lib/sectorbuilder"
|
|
"github.com/filecoin-project/go-lotus/storage/sectorblocks"
|
|
)
|
|
|
|
type minerHandlerFunc func(ctx context.Context, deal MinerDeal) (func(*MinerDeal), error)
|
|
|
|
func (h *Handler) handle(ctx context.Context, deal MinerDeal, cb minerHandlerFunc, next api.DealState) {
|
|
go func() {
|
|
mut, err := cb(ctx, deal)
|
|
select {
|
|
case h.updated <- minerDealUpdate{
|
|
newState: next,
|
|
id: deal.ProposalCid,
|
|
err: err,
|
|
mut: mut,
|
|
}:
|
|
case <-h.stop:
|
|
}
|
|
}()
|
|
}
|
|
|
|
// ACCEPTED
|
|
|
|
func (h *Handler) validateVouchers(ctx context.Context, deal MinerDeal) error {
|
|
curHead, err := h.full.ChainHead(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for i, voucher := range deal.Proposal.Payment.Vouchers {
|
|
err := h.full.PaychVoucherCheckValid(ctx, deal.Proposal.Payment.PayChActor, voucher)
|
|
if err != nil {
|
|
return xerrors.Errorf("validating payment voucher %d: %w", i, err)
|
|
}
|
|
|
|
if voucher.Extra == nil {
|
|
return xerrors.Errorf("validating payment voucher %d: voucher.Extra not set")
|
|
}
|
|
|
|
if voucher.Extra.Actor != deal.Proposal.MinerAddress {
|
|
return xerrors.Errorf("validating payment voucher %d: extra params actor didn't match miner address in proposal: '%s' != '%s'", i, voucher.Extra.Actor, deal.Proposal.MinerAddress)
|
|
}
|
|
if voucher.Extra.Method != actors.MAMethods.PaymentVerifyInclusion {
|
|
return xerrors.Errorf("validating payment voucher %d: expected extra method %d, got %d", i, actors.MAMethods.PaymentVerifyInclusion, voucher.Extra.Method)
|
|
}
|
|
|
|
var inclChallenge actors.PieceInclVoucherData
|
|
if err := cbor.DecodeInto(voucher.Extra.Data, &inclChallenge); err != nil {
|
|
return xerrors.Errorf("validating payment voucher %d: failed to decode storage voucher data for verification: %w", i, err)
|
|
}
|
|
if inclChallenge.PieceSize.Uint64() != deal.Proposal.Size {
|
|
return xerrors.Errorf("validating payment voucher %d: paych challenge piece size didn't match deal proposal size: %d != %d", i, inclChallenge.PieceSize.Uint64(), deal.Proposal.Size)
|
|
}
|
|
if !bytes.Equal(inclChallenge.CommP, deal.Proposal.CommP) {
|
|
return xerrors.Errorf("validating payment voucher %d: paych challenge commP didn't match deal proposal", i)
|
|
}
|
|
|
|
maxClose := curHead.Height() + deal.Proposal.Duration + build.DealVoucherSkewLimit
|
|
if voucher.MinCloseHeight > maxClose {
|
|
return xerrors.Errorf("validating payment voucher %d: MinCloseHeight too high (%d), max expected: %d", i, voucher.MinCloseHeight, maxClose)
|
|
}
|
|
|
|
if voucher.TimeLock > maxClose {
|
|
return xerrors.Errorf("validating payment voucher %d: TimeLock too high (%d), max expected: %d", i, voucher.TimeLock, maxClose)
|
|
}
|
|
|
|
if len(voucher.Merges) > 0 {
|
|
return xerrors.Errorf("validating payment voucher %d: didn't expect any merges", i)
|
|
}
|
|
|
|
// TODO: make sure that current laneStatus.Amount == 0
|
|
|
|
if types.BigCmp(voucher.Amount, deal.Proposal.TotalPrice) < 0 {
|
|
return xerrors.Errorf("validating payment voucher %d: not enough funds in the voucher", i)
|
|
}
|
|
|
|
minPrice := types.BigMul(types.BigMul(h.pricePerByteBlock, types.NewInt(deal.Proposal.Size)), types.NewInt(deal.Proposal.Duration))
|
|
if types.BigCmp(minPrice, deal.Proposal.TotalPrice) > 0 {
|
|
return xerrors.Errorf("validating payment voucher %d: minimum price: %s", i, minPrice)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (h *Handler) accept(ctx context.Context, deal MinerDeal) (func(*MinerDeal), error) {
|
|
switch deal.Proposal.SerializationMode {
|
|
//case SerializationRaw:
|
|
//case SerializationIPLD:
|
|
case SerializationUnixFs:
|
|
default:
|
|
return nil, xerrors.Errorf("deal proposal with unsupported serialization: %s", deal.Proposal.SerializationMode)
|
|
}
|
|
|
|
if err := h.validateVouchers(ctx, deal); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for i, voucher := range deal.Proposal.Payment.Vouchers {
|
|
if err := h.full.PaychVoucherAdd(ctx, deal.Proposal.Payment.PayChActor, voucher, nil); err != nil {
|
|
return nil, xerrors.Errorf("consuming payment voucher %d: %w", i, err)
|
|
}
|
|
}
|
|
|
|
log.Info("fetching data for a deal")
|
|
err := h.sendSignedResponse(StorageDealResponse{
|
|
State: api.DealAccepted,
|
|
Message: "",
|
|
Proposal: deal.ProposalCid,
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return nil, merkledag.FetchGraph(ctx, deal.Ref, h.dag)
|
|
}
|
|
|
|
// STAGED
|
|
|
|
func (h *Handler) staged(ctx context.Context, deal MinerDeal) (func(*MinerDeal), error) {
|
|
err := h.sendSignedResponse(StorageDealResponse{
|
|
State: api.DealStaged,
|
|
Proposal: deal.ProposalCid,
|
|
})
|
|
if err != nil {
|
|
log.Warnf("Sending deal response failed: %s", err)
|
|
}
|
|
|
|
root, err := h.dag.Get(ctx, deal.Ref)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("failed to get file root for deal: %s", err)
|
|
}
|
|
|
|
// TODO: abstract this away into ReadSizeCloser + implement different modes
|
|
n, err := unixfile.NewUnixfsFile(ctx, h.dag, root)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("cannot open unixfs file: %s", err)
|
|
}
|
|
|
|
uf, ok := n.(sectorblocks.UnixfsReader)
|
|
if !ok {
|
|
// we probably got directory, unsupported for now
|
|
return nil, xerrors.Errorf("unsupported unixfs file type")
|
|
}
|
|
|
|
sectorID, err := h.secst.AddUnixfsPiece(deal.Proposal.PieceRef, uf, deal.Proposal.Duration)
|
|
if err != nil {
|
|
return nil, xerrors.Errorf("AddPiece failed: %s", err)
|
|
}
|
|
|
|
log.Warnf("New Sector: %d", sectorID)
|
|
return func(deal *MinerDeal) {
|
|
deal.SectorID = sectorID
|
|
}, nil
|
|
}
|
|
|
|
// SEALING
|
|
|
|
func getInclusionProof(ref string, status sectorbuilder.SectorSealingStatus) (PieceInclusionProof, error) {
|
|
for i, p := range status.Pieces {
|
|
if p.Key == ref {
|
|
return PieceInclusionProof{
|
|
Position: uint64(i),
|
|
ProofElements: p.InclusionProof,
|
|
}, nil
|
|
}
|
|
}
|
|
return PieceInclusionProof{}, xerrors.Errorf("pieceInclusionProof for %s in sector %d not found", ref, status.SectorID)
|
|
}
|
|
|
|
func (h *Handler) waitSealed(deal MinerDeal) (sectorbuilder.SectorSealingStatus, error) {
|
|
status, err := h.secst.WaitSeal(context.TODO(), deal.SectorID)
|
|
if err != nil {
|
|
return sectorbuilder.SectorSealingStatus{}, err
|
|
}
|
|
|
|
switch status.SealStatusCode {
|
|
case 0: // sealed
|
|
case 2: // failed
|
|
return sectorbuilder.SectorSealingStatus{}, xerrors.Errorf("sealing sector %d for deal %s (ref=%s) failed: %s", deal.SectorID, deal.ProposalCid, deal.Ref, status.SealErrorMsg)
|
|
case 1: // pending
|
|
return sectorbuilder.SectorSealingStatus{}, xerrors.Errorf("sector status was 'pending' after call to WaitSeal (for sector %d)", deal.SectorID)
|
|
case 3: // sealing
|
|
return sectorbuilder.SectorSealingStatus{}, xerrors.Errorf("sector status was 'wait' after call to WaitSeal (for sector %d)", deal.SectorID)
|
|
default:
|
|
return sectorbuilder.SectorSealingStatus{}, xerrors.Errorf("unknown SealStatusCode: %d", status.SectorID)
|
|
}
|
|
|
|
return status, nil
|
|
}
|
|
|
|
func (h *Handler) sealing(ctx context.Context, deal MinerDeal) (func(*MinerDeal), error) {
|
|
status, err := h.waitSealed(deal)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// TODO: don't hardcode unixfs
|
|
ip, err := getInclusionProof(string(sectorblocks.SerializationUnixfs0)+deal.Ref.String(), status)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
proof := &actors.InclusionProof{
|
|
Sector: deal.SectorID,
|
|
Proof: ip.ProofElements,
|
|
}
|
|
proofB, err := cbor.DumpObject(proof)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// store proofs for channels
|
|
for i, v := range deal.Proposal.Payment.Vouchers {
|
|
if v.Extra.Method == actors.MAMethods.PaymentVerifyInclusion {
|
|
if err := h.full.PaychVoucherAdd(ctx, deal.Proposal.Payment.PayChActor, v, proofB); err != nil {
|
|
return nil, xerrors.Errorf("storing payment voucher %d proof: %w", i, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
err = h.sendSignedResponse(StorageDealResponse{
|
|
State: api.DealSealing,
|
|
Proposal: deal.ProposalCid,
|
|
PieceInclusionProof: ip,
|
|
CommD: status.CommD[:],
|
|
})
|
|
if err != nil {
|
|
log.Warnf("Sending deal response failed: %s", err)
|
|
}
|
|
|
|
return nil, nil
|
|
}
|