lotus/markets/retrievaladapter/provider.go
laser 650a31b050 remove all lotus types from sealing package in preparation for extraction
events adapter

implement StateWaitMsg and StateComputeDataCommitment

implement StateGetSectorPreCommitOnChainInfo

implement ChainHead and SendMsg

implement remaining methods
2020-04-06 12:57:55 -07:00

75 lines
2.5 KiB
Go

package retrievaladapter
import (
"context"
"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/sector-storage/ffiwrapper"
"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
}
addr, err := rpn.full.StateMinerWorker(ctx, miner, tsk)
return addr, 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),
}
return rpn.sealer.ReadPieceFromSealedSector(ctx, sid, ffiwrapper.UnpaddedByteIndex(offset), abi.UnpaddedPieceSize(length), si.TicketValue, *si.CommD)
}
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
}