104 lines
2.3 KiB
Go
104 lines
2.3 KiB
Go
package deals
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import (
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"context"
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"github.com/filecoin-project/lotus/api"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/lib/sectorbuilder"
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)
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type clientHandlerFunc func(ctx context.Context, deal ClientDeal) error
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func (c *Client) handle(ctx context.Context, deal ClientDeal, cb clientHandlerFunc, next api.DealState) {
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go func() {
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err := cb(ctx, deal)
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if err != nil {
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next = api.DealError
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}
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select {
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case c.updated <- clientDealUpdate{
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newState: next,
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id: deal.ProposalCid,
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err: err,
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}:
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case <-c.stop:
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}
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}()
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}
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func (c *Client) new(ctx context.Context, deal ClientDeal) error {
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resp, err := c.readStorageDealResp(deal)
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if err != nil {
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return err
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}
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if resp.State != api.DealAccepted {
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return xerrors.Errorf("deal wasn't accepted (State=%d)", resp.State)
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}
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log.Info("DEAL ACCEPTED!")
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return nil
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}
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func (c *Client) accepted(ctx context.Context, deal ClientDeal) error {
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/* data transfer happens */
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resp, err := c.readStorageDealResp(deal)
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if err != nil {
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return err
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}
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if resp.State != api.DealStaged {
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return xerrors.Errorf("deal wasn't staged (State=%d)", resp.State)
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}
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log.Info("DEAL STAGED!")
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return nil
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}
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func (c *Client) staged(ctx context.Context, deal ClientDeal) error {
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/* miner seals our data, hopefully */
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resp, err := c.readStorageDealResp(deal)
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if err != nil {
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return err
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}
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if resp.State != api.DealSealing {
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return xerrors.Errorf("deal wasn't sealed (State=%d)", resp.State)
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}
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log.Info("DEAL SEALED!")
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ok, err := sectorbuilder.VerifyPieceInclusionProof(build.SectorSize, deal.Proposal.Size, deal.Proposal.CommP, resp.CommD, resp.PieceInclusionProof.ProofElements)
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if err != nil {
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return xerrors.Errorf("verifying piece inclusion proof in staged deal %s: %w", deal.ProposalCid, err)
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}
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if !ok {
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return xerrors.Errorf("verifying piece inclusion proof in staged deal %s failed", deal.ProposalCid)
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}
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return nil
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}
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func (c *Client) sealing(ctx context.Context, deal ClientDeal) error {
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resp, err := c.readStorageDealResp(deal)
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if err != nil {
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return err
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}
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if resp.State != api.DealComplete {
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return xerrors.Errorf("deal wasn't complete (State=%d)", resp.State)
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}
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// TODO: look for the commit message on chain, negotiate better payment vouchers
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log.Info("DEAL COMPLETE!!")
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return nil
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}
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