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allow manual piece commitment #135

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merged 1 commit into from
Mar 4, 2020
Merged

allow manual piece commitment #135

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2 changes: 1 addition & 1 deletion storagemarket/impl/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -192,7 +192,7 @@ type ClientDealProposal struct {
}

func (c *Client) Start(ctx context.Context, p ClientDealProposal) (cid.Cid, error) {
commP, pieceSize, err := c.commP(ctx, p.ProofType, p.Data.Root)
commP, pieceSize, err := c.commP(ctx, p.ProofType, p.Data)
if err != nil {
return cid.Undef, xerrors.Errorf("computing commP failed: %w", err)
}
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9 changes: 7 additions & 2 deletions storagemarket/impl/client_utils.go
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Expand Up @@ -18,6 +18,7 @@ import (
"github.com/filecoin-project/go-address"
cborutil "github.com/filecoin-project/go-cbor-util"
datatransfer "github.com/filecoin-project/go-data-transfer"
"github.com/filecoin-project/go-fil-markets/storagemarket"
"github.com/filecoin-project/go-fil-markets/storagemarket/network"
"github.com/filecoin-project/go-statestore"
)
Expand All @@ -38,14 +39,18 @@ func (c *Client) failDeal(id cid.Cid, cerr error) {
log.Errorf("deal %s failed: %+v", id, cerr)
}

func (c *Client) commP(ctx context.Context, rt abi.RegisteredProof, root cid.Cid) (cid.Cid, abi.UnpaddedPieceSize, error) {
func (c *Client) commP(ctx context.Context, rt abi.RegisteredProof, data *storagemarket.DataRef) (cid.Cid, abi.UnpaddedPieceSize, error) {
if data.PieceCid != nil {
return *data.PieceCid, data.PieceSize, nil
}

ssb := builder.NewSelectorSpecBuilder(ipldfree.NodeBuilder())

// entire DAG selector
allSelector := ssb.ExploreRecursive(selector.RecursionLimitNone(),
ssb.ExploreAll(ssb.ExploreRecursiveEdge())).Node()

commp, paddedSize, err := c.pio.GeneratePieceCommitment(rt, root, allSelector)
commp, paddedSize, err := c.pio.GeneratePieceCommitment(rt, data.Root, allSelector)
if err != nil {
return cid.Undef, 0, xerrors.Errorf("generating CommP: %w", err)
}
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3 changes: 3 additions & 0 deletions storagemarket/types.go
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Expand Up @@ -269,6 +269,9 @@ const (
type DataRef struct {
TransferType string
Root cid.Cid

PieceCid *cid.Cid // Optional, will be recomputed from the data if not given
PieceSize abi.UnpaddedPieceSize
}

// The interface provided by the module to the outside world for storage clients.
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