Drop unused faulty state logic

states_proving.go

@@ -1,80 +1,16 @@
 package sealing
 
 import (
-	"bytes"
-
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-statemachine"
-	"github.com/filecoin-project/specs-actors/actors/abi"
-	"github.com/filecoin-project/specs-actors/actors/abi/big"
-	"github.com/filecoin-project/specs-actors/actors/builtin"
-	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
 )
 
 func (m *Sealing) handleFaulty(ctx statemachine.Context, sector SectorInfo) error {
-	// TODO: check if the fault has already been reported, and that this sector is even valid
-
-	// TODO: coalesce faulty sector reporting
-
-	// TODO: ReportFaultFailed
-	bf := abi.NewBitField()
-	bf.Set(uint64(sector.SectorNumber))
-
-	deadlines, err := m.api.StateMinerDeadlines(ctx.Context(), m.maddr, nil)
-	if err != nil {
-		log.Errorf("handleFaulty: api error, not proceeding: %+v", err)
-		return nil
-	}
-
-	deadline := -1
-	for d, field := range deadlines.Due {
-		set, err := field.IsSet(uint64(sector.SectorNumber))
-		if err != nil {
-			return err
-		}
-		if set {
-			deadline = d
-			break
-		}
-	}
-	if deadline == -1 {
-		log.Errorf("handleFaulty: deadline not found")
-		return nil
-	}
-
-	params := &miner.DeclareFaultsParams{
-		Faults: []miner.FaultDeclaration{
-			{
-				Deadline: uint64(deadline),
-				Sectors:  bf,
-			},
-		},
-	}
-
-	enc := new(bytes.Buffer)
-	if err := params.MarshalCBOR(enc); err != nil {
-		return ctx.Send(SectorCommitFailed{xerrors.Errorf("failed to serialize declare fault params: %w", err)})
-	}
-
-	tok, _, err := m.api.ChainHead(ctx.Context())
-	if err != nil {
-		log.Errorf("handleFaulty: api error, not proceeding: %+v", err)
-		return nil
-	}
-
-	waddr, err := m.api.StateMinerWorkerAddress(ctx.Context(), m.maddr, tok)
-	if err != nil {
-		log.Errorf("handleFaulty: api error, not proceeding: %+v", err)
-		return nil
-	}
-
-	mcid, err := m.api.SendMsg(ctx.Context(), waddr, m.maddr, builtin.MethodsMiner.DeclareFaults, big.NewInt(0), big.NewInt(1), 1000000, enc.Bytes())
-	if err != nil {
-		return xerrors.Errorf("failed to push declare faults message to network: %w", err)
-	}
-
-	return ctx.Send(SectorFaultReported{reportMsg: mcid})
+	// TODO: noop because this is now handled by the PoSt scheduler. We can reuse
+	//  this state for tracking faulty sectors, or remove it when that won't be
+	//  a breaking change
+	return nil
 }
 
 func (m *Sealing) handleFaultReported(ctx statemachine.Context, sector SectorInfo) error {