82 lines
2.6 KiB
Go
82 lines
2.6 KiB
Go
package retrievaladapter
|
|
|
|
import (
|
|
"context"
|
|
"github.com/filecoin-project/sector-storage/storiface"
|
|
"io"
|
|
|
|
"github.com/filecoin-project/go-address"
|
|
"github.com/filecoin-project/go-fil-markets/retrievalmarket"
|
|
"github.com/filecoin-project/go-fil-markets/shared"
|
|
sectorstorage "github.com/filecoin-project/sector-storage"
|
|
"github.com/filecoin-project/specs-actors/actors/abi"
|
|
"github.com/filecoin-project/specs-actors/actors/builtin/paych"
|
|
|
|
"github.com/filecoin-project/lotus/api"
|
|
"github.com/filecoin-project/lotus/chain/types"
|
|
"github.com/filecoin-project/lotus/storage"
|
|
)
|
|
|
|
type retrievalProviderNode struct {
|
|
miner *storage.Miner
|
|
sealer sectorstorage.SectorManager
|
|
full api.FullNode
|
|
}
|
|
|
|
// NewRetrievalProviderNode returns a new node adapter for a retrieval provider that talks to the
|
|
// Lotus Node
|
|
func NewRetrievalProviderNode(miner *storage.Miner, sealer sectorstorage.SectorManager, full api.FullNode) retrievalmarket.RetrievalProviderNode {
|
|
return &retrievalProviderNode{miner, sealer, full}
|
|
}
|
|
|
|
func (rpn *retrievalProviderNode) 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 := rpn.full.StateMinerInfo(ctx, miner, tsk)
|
|
return mi.Worker, err
|
|
}
|
|
|
|
func (rpn *retrievalProviderNode) UnsealSector(ctx context.Context, sectorID uint64, offset uint64, length uint64) (io.ReadCloser, error) {
|
|
si, err := rpn.miner.GetSectorInfo(abi.SectorNumber(sectorID))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
mid, err := address.IDFromAddress(rpn.miner.Address())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
sid := abi.SectorID{
|
|
Miner: abi.ActorID(mid),
|
|
Number: abi.SectorNumber(sectorID),
|
|
}
|
|
|
|
r, w := io.Pipe()
|
|
go func() {
|
|
err := rpn.sealer.ReadPiece(ctx, w, sid, storiface.UnpaddedByteIndex(offset), abi.UnpaddedPieceSize(length), si.TicketValue, *si.CommD)
|
|
_ = w.CloseWithError(err)
|
|
}()
|
|
|
|
return r, nil
|
|
}
|
|
|
|
func (rpn *retrievalProviderNode) SavePaymentVoucher(ctx context.Context, paymentChannel address.Address, voucher *paych.SignedVoucher, proof []byte, expectedAmount abi.TokenAmount, tok shared.TipSetToken) (abi.TokenAmount, error) {
|
|
// TODO: respect the provided TipSetToken (a serialized TipSetKey) when
|
|
// querying the chain
|
|
added, err := rpn.full.PaychVoucherAdd(ctx, paymentChannel, voucher, proof, expectedAmount)
|
|
return added, err
|
|
}
|
|
|
|
func (rpn *retrievalProviderNode) GetChainHead(ctx context.Context) (shared.TipSetToken, abi.ChainEpoch, error) {
|
|
head, err := rpn.full.ChainHead(ctx)
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
|
|
return head.Key().Bytes(), head.Height(), nil
|
|
}
|