extract the fake Wpost used for testing

chain/gen/gen.go

@@ -45,6 +45,10 @@ var log = logging.Logger("gen")
 
 const msgsPerBlock = 20
 
+var ValidWpostForTesting = []abi.PoStProof{{
+	ProofBytes: []byte("valid proof"),
+}}
+
 type ChainGen struct {
 	msgsPerBlock int
 
@@ -529,9 +533,7 @@ func (wpp *wppProvider) GenerateCandidates(ctx context.Context, _ abi.PoStRandom
 }
 
 func (wpp *wppProvider) ComputeProof(context.Context, []abi.SectorInfo, abi.PoStRandomness) ([]abi.PoStProof, error) {
-	return []abi.PoStProof{{
-		ProofBytes: []byte("valid proof"),
-	}}, nil
+	return ValidWpostForTesting, nil
 }
 
 type ProofInput struct {

cmd/lotus/debug_advance.go

@@ -72,7 +72,7 @@ func init() {
 			uts := head.MinTimestamp() + uint64(build.BlockDelay)
 			nheight := head.Height() + 1
 			blk, err := api.MinerCreateBlock(ctx, &lapi.BlockTemplate{
-				addr, head.Key(), ticket, nil, nil, msgs, nheight, uts, nil,
+				addr, head.Key(), ticket, &types.ElectionProof{}, nil, msgs, nheight, uts, gen.ValidWpostForTesting,
 			})
 			if err != nil {
 				return xerrors.Errorf("creating block: %w", err)