47 lines
1.7 KiB
Go
47 lines
1.7 KiB
Go
package retrievaladapter
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import (
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"context"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-fil-components/retrievalmarket"
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retrievaltoken "github.com/filecoin-project/go-fil-components/shared/tokenamount"
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retrievaltypes "github.com/filecoin-project/go-fil-components/shared/types"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/storage/sectorblocks"
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"github.com/ipfs/go-cid"
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blockstore "github.com/ipfs/go-ipfs-blockstore"
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)
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type retrievalProviderNode struct {
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sectorBlocks *sectorblocks.SectorBlocks
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full api.FullNode
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}
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// NewRetrievalProviderNode returns a new node adapter for a retrieval provider that talks to the
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// Lotus Node
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func NewRetrievalProviderNode(sectorBlocks *sectorblocks.SectorBlocks, full api.FullNode) retrievalmarket.RetrievalProviderNode {
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return &retrievalProviderNode{sectorBlocks, full}
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}
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func (rpn *retrievalProviderNode) GetPieceSize(pieceCid []byte) (uint64, error) {
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asCid, err := cid.Cast(pieceCid)
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if err != nil {
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return 0, err
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}
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return rpn.sectorBlocks.GetSize(asCid)
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}
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func (rpn *retrievalProviderNode) SealedBlockstore(approveUnseal func() error) blockstore.Blockstore {
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return rpn.sectorBlocks.SealedBlockstore(approveUnseal)
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}
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func (rpn *retrievalProviderNode) SavePaymentVoucher(ctx context.Context, paymentChannel address.Address, voucher *retrievaltypes.SignedVoucher, proof []byte, expectedAmount retrievaltoken.TokenAmount) (retrievaltoken.TokenAmount, error) {
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localVoucher, err := FromSharedSignedVoucher(voucher)
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if err != nil {
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return retrievaltoken.FromInt(0), err
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}
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added, err := rpn.full.PaychVoucherAdd(ctx, paymentChannel, localVoucher, proof, FromSharedTokenAmount(expectedAmount))
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return ToSharedTokenAmount(added), err
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}
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