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Original file line number | Diff line number | Diff line change |
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package sealing | ||
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import ( | ||
"bytes" | ||
"context" | ||
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"github.com/filecoin-project/go-address" | ||
"github.com/filecoin-project/go-state-types/abi" | ||
"github.com/filecoin-project/go-state-types/exitcode" | ||
"github.com/filecoin-project/lotus/api" | ||
"github.com/filecoin-project/lotus/chain/actors/builtin/market" | ||
"github.com/filecoin-project/lotus/chain/types" | ||
market2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/market" | ||
"github.com/ipfs/go-cid" | ||
"golang.org/x/xerrors" | ||
) | ||
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type CurrentDealInfoAPI interface { | ||
ChainGetMessage(context.Context, cid.Cid) (*types.Message, error) | ||
StateLookupID(context.Context, address.Address, TipSetToken) (address.Address, error) | ||
StateMarketStorageDeal(context.Context, abi.DealID, TipSetToken) (*api.MarketDeal, error) | ||
StateSearchMsg(context.Context, cid.Cid) (*MsgLookup, error) | ||
} | ||
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type CurrentDealInfo struct { | ||
DealID abi.DealID | ||
MarketDeal *api.MarketDeal | ||
PublishMsgTipSet TipSetToken | ||
} | ||
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type CurrentDealInfoManager struct { | ||
CDAPI CurrentDealInfoAPI | ||
} | ||
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// GetCurrentDealInfo gets the current deal state and deal ID. | ||
// Note that the deal ID is assigned when the deal is published, so it may | ||
// have changed if there was a reorg after the deal was published. | ||
func (mgr *CurrentDealInfoManager) GetCurrentDealInfo(ctx context.Context, tok TipSetToken, proposal *market.DealProposal, publishCid cid.Cid) (CurrentDealInfo, error) { | ||
// Lookup the deal ID by comparing the deal proposal to the proposals in | ||
// the publish deals message, and indexing into the message return value | ||
dealID, pubMsgTok, err := mgr.dealIDFromPublishDealsMsg(ctx, tok, proposal, publishCid) | ||
if err != nil { | ||
return CurrentDealInfo{}, err | ||
} | ||
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// Lookup the deal state by deal ID | ||
marketDeal, err := mgr.CDAPI.StateMarketStorageDeal(ctx, dealID, tok) | ||
if err == nil && proposal != nil { | ||
// Make sure the retrieved deal proposal matches the target proposal | ||
equal, err := mgr.CheckDealEquality(ctx, tok, *proposal, marketDeal.Proposal) | ||
if err != nil { | ||
return CurrentDealInfo{}, err | ||
} | ||
if !equal { | ||
return CurrentDealInfo{}, xerrors.Errorf("Deal proposals for publish message %s did not match", publishCid) | ||
} | ||
} | ||
return CurrentDealInfo{DealID: dealID, MarketDeal: marketDeal, PublishMsgTipSet: pubMsgTok}, err | ||
} | ||
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// dealIDFromPublishDealsMsg looks up the publish deals message by cid, and finds the deal ID | ||
// by looking at the message return value | ||
func (mgr *CurrentDealInfoManager) dealIDFromPublishDealsMsg(ctx context.Context, tok TipSetToken, proposal *market.DealProposal, publishCid cid.Cid) (abi.DealID, TipSetToken, error) { | ||
dealID := abi.DealID(0) | ||
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// Get the return value of the publish deals message | ||
lookup, err := mgr.CDAPI.StateSearchMsg(ctx, publishCid) | ||
if err != nil { | ||
return dealID, nil, xerrors.Errorf("looking for publish deal message %s: search msg failed: %w", publishCid, err) | ||
} | ||
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if lookup.Receipt.ExitCode != exitcode.Ok { | ||
return dealID, nil, xerrors.Errorf("looking for publish deal message %s: non-ok exit code: %s", publishCid, lookup.Receipt.ExitCode) | ||
} | ||
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var retval market.PublishStorageDealsReturn | ||
if err := retval.UnmarshalCBOR(bytes.NewReader(lookup.Receipt.Return)); err != nil { | ||
return dealID, nil, xerrors.Errorf("looking for publish deal message %s: unmarshalling message return: %w", publishCid, err) | ||
} | ||
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// Previously, publish deals messages contained a single deal, and the | ||
// deal proposal was not included in the sealing deal info. | ||
// So check if the proposal is nil and check the number of deals published | ||
// in the message. | ||
if proposal == nil { | ||
if len(retval.IDs) > 1 { | ||
return dealID, nil, xerrors.Errorf( | ||
"getting deal ID from publish deal message %s: "+ | ||
"no deal proposal supplied but message return value has more than one deal (%d deals)", | ||
publishCid, len(retval.IDs)) | ||
} | ||
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// There is a single deal in this publish message and no deal proposal | ||
// was supplied, so we have nothing to compare against. Just assume | ||
// the deal ID is correct. | ||
return retval.IDs[0], lookup.TipSetTok, nil | ||
} | ||
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// Get the parameters to the publish deals message | ||
pubmsg, err := mgr.CDAPI.ChainGetMessage(ctx, publishCid) | ||
if err != nil { | ||
return dealID, nil, xerrors.Errorf("getting publish deal message %s: %w", publishCid, err) | ||
} | ||
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var pubDealsParams market2.PublishStorageDealsParams | ||
if err := pubDealsParams.UnmarshalCBOR(bytes.NewReader(pubmsg.Params)); err != nil { | ||
return dealID, nil, xerrors.Errorf("unmarshalling publish deal message params for message %s: %w", publishCid, err) | ||
} | ||
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// Scan through the deal proposals in the message parameters to find the | ||
// index of the target deal proposal | ||
dealIdx := -1 | ||
for i, paramDeal := range pubDealsParams.Deals { | ||
eq, err := mgr.CheckDealEquality(ctx, tok, *proposal, market.DealProposal(paramDeal.Proposal)) | ||
if err != nil { | ||
return dealID, nil, xerrors.Errorf("comparing publish deal message %s proposal to deal proposal: %w", publishCid, err) | ||
} | ||
if eq { | ||
dealIdx = i | ||
break | ||
} | ||
} | ||
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if dealIdx == -1 { | ||
return dealID, nil, xerrors.Errorf("could not find deal in publish deals message %s", publishCid) | ||
} | ||
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if dealIdx >= len(retval.IDs) { | ||
return dealID, nil, xerrors.Errorf( | ||
"deal index %d out of bounds of deals (len %d) in publish deals message %s", | ||
dealIdx, len(retval.IDs), publishCid) | ||
} | ||
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return retval.IDs[dealIdx], lookup.TipSetTok, nil | ||
} | ||
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func (mgr *CurrentDealInfoManager) CheckDealEquality(ctx context.Context, tok TipSetToken, p1, p2 market.DealProposal) (bool, error) { | ||
p1ClientID, err := mgr.CDAPI.StateLookupID(ctx, p1.Client, tok) | ||
if err != nil { | ||
return false, err | ||
} | ||
p2ClientID, err := mgr.CDAPI.StateLookupID(ctx, p2.Client, tok) | ||
if err != nil { | ||
return false, err | ||
} | ||
return p1.PieceCID.Equals(p2.PieceCID) && | ||
p1.PieceSize == p2.PieceSize && | ||
p1.VerifiedDeal == p2.VerifiedDeal && | ||
p1.Label == p2.Label && | ||
p1.StartEpoch == p2.StartEpoch && | ||
p1.EndEpoch == p2.EndEpoch && | ||
p1.StoragePricePerEpoch.Equals(p2.StoragePricePerEpoch) && | ||
p1.ProviderCollateral.Equals(p2.ProviderCollateral) && | ||
p1.ClientCollateral.Equals(p2.ClientCollateral) && | ||
p1.Provider == p2.Provider && | ||
p1ClientID == p2ClientID, nil | ||
} | ||
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type CurrentDealInfoTskAPI interface { | ||
ChainGetMessage(ctx context.Context, mc cid.Cid) (*types.Message, error) | ||
StateLookupID(context.Context, address.Address, types.TipSetKey) (address.Address, error) | ||
StateMarketStorageDeal(context.Context, abi.DealID, types.TipSetKey) (*api.MarketDeal, error) | ||
StateSearchMsg(context.Context, cid.Cid) (*api.MsgLookup, error) | ||
} | ||
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type CurrentDealInfoAPIAdapter struct { | ||
CurrentDealInfoTskAPI | ||
} | ||
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func (c *CurrentDealInfoAPIAdapter) StateLookupID(ctx context.Context, a address.Address, tok TipSetToken) (address.Address, error) { | ||
tsk, err := types.TipSetKeyFromBytes(tok) | ||
if err != nil { | ||
return address.Undef, xerrors.Errorf("failed to unmarshal TipSetToken to TipSetKey: %w", err) | ||
} | ||
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return c.CurrentDealInfoTskAPI.StateLookupID(ctx, a, tsk) | ||
} | ||
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func (c *CurrentDealInfoAPIAdapter) StateMarketStorageDeal(ctx context.Context, dealID abi.DealID, tok TipSetToken) (*api.MarketDeal, error) { | ||
tsk, err := types.TipSetKeyFromBytes(tok) | ||
if err != nil { | ||
return nil, xerrors.Errorf("failed to unmarshal TipSetToken to TipSetKey: %w", err) | ||
} | ||
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return c.CurrentDealInfoTskAPI.StateMarketStorageDeal(ctx, dealID, tsk) | ||
} | ||
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func (c *CurrentDealInfoAPIAdapter) StateSearchMsg(ctx context.Context, k cid.Cid) (*MsgLookup, error) { | ||
wmsg, err := c.CurrentDealInfoTskAPI.StateSearchMsg(ctx, k) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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if wmsg == nil { | ||
return nil, nil | ||
} | ||
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return &MsgLookup{ | ||
Receipt: MessageReceipt{ | ||
ExitCode: wmsg.Receipt.ExitCode, | ||
Return: wmsg.Receipt.Return, | ||
GasUsed: wmsg.Receipt.GasUsed, | ||
}, | ||
TipSetTok: wmsg.TipSet.Bytes(), | ||
Height: wmsg.Height, | ||
}, nil | ||
} | ||
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var _ CurrentDealInfoAPI = (*CurrentDealInfoAPIAdapter)(nil) |
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