Merge remote-tracking branch 'origin/next' into feat/dyn-base-fee

api/api_full.go

@@ -107,6 +107,14 @@ type FullNode interface {
 	// ChainExport returns a stream of bytes with CAR dump of chain data.
 	ChainExport(context.Context, types.TipSetKey) (<-chan []byte, error)
 
+	// MethodGroup: Beacon
+	// The Beacon method group contains methods for interacting with the random beacon (DRAND)
+
+	// BeaconGetEntry returns the beacon entry for the given filecoin epoch. If
+	// the entry has not yet been produced, the call will block until the entry
+	// becomes available
+	BeaconGetEntry(ctx context.Context, epoch abi.ChainEpoch) (*types.BeaconEntry, error)
+
 	// GasEstimateFeeCap estimates gas fee cap
 	GasEstimateFeeCap(context.Context, int64, types.TipSetKey) (types.BigInt, error)
 

api/apistruct/struct.go

@@ -85,6 +85,8 @@ type FullNodeStruct struct {
 		ChainGetPath           func(context.Context, types.TipSetKey, types.TipSetKey) ([]*api.HeadChange, error)                                 `perm:"read"`
 		ChainExport            func(context.Context, types.TipSetKey) (<-chan []byte, error)                                                      `perm:"read"`
 
+		BeaconGetEntry func(ctx context.Context, epoch abi.ChainEpoch) (*types.BeaconEntry, error) `perm:"read"`
+
 		GasEsitmateGasPremium func(context.Context, uint64, address.Address, int64, types.TipSetKey) (types.BigInt, error) `perm:"read"`
 		GasEstimateGasLimit   func(context.Context, *types.Message, types.TipSetKey) (int64, error)                        `perm:"read"`
 		GasEstimateFeeCap     func(context.Context, int64, types.TipSetKey) (types.BigInt, error)                          `perm:"read"`
@@ -599,6 +601,10 @@ func (c *FullNodeStruct) ChainExport(ctx context.Context, tsk types.TipSetKey) (
 	return c.Internal.ChainExport(ctx, tsk)
 }
 
+func (c *FullNodeStruct) BeaconGetEntry(ctx context.Context, epoch abi.ChainEpoch) (*types.BeaconEntry, error) {
+	return c.Internal.BeaconGetEntry(ctx, epoch)
+}
+
 func (c *FullNodeStruct) SyncState(ctx context.Context) (*api.SyncState, error) {
 	return c.Internal.SyncState(ctx)
 }

api/test/mining.go

@@ -132,21 +132,23 @@ func TestDealMining(t *testing.T, b APIBuilder, blocktime time.Duration, carExpo
 	done := make(chan struct{})
 	minedTwo := make(chan struct{})
 
+	m2addr, err := sn[1].ActorAddress(context.TODO())
+	if err != nil {
+		t.Fatal(err)
+	}
+
 	go func() {
-		doneMinedTwo := false
 		defer close(done)
 
-		prevExpect := 0
+		complChan := minedTwo
 		for atomic.LoadInt32(&mine) != 0 {
-			wait := make(chan int, 2)
+			wait := make(chan int)
 			mdone := func(mined bool, err error) {
-				go func() {
 				n := 0
 				if mined {
 					n = 1
 				}
 				wait <- n
-				}()
 			}
 
 			if err := sn[0].MineOne(ctx, miner.MineReq{Done: mdone}); err != nil {
@@ -166,33 +168,28 @@ func TestDealMining(t *testing.T, b APIBuilder, blocktime time.Duration, carExpo
 				continue
 			}
 
-			for {
-				n := 0
-				for i, node := range sn {
+			var nodeOneMined bool
+			for _, node := range sn {
 				mb, err := node.MiningBase(ctx)
 				if err != nil {
 					t.Error(err)
 					return
 				}
 
-					if len(mb.Cids()) != expect {
-						log.Warnf("node %d mining base not complete (%d, want %d)", i, len(mb.Cids()), expect)
-						continue
-					}
-					n++
-				}
-				if n == len(sn) {
+				for _, b := range mb.Blocks() {
+					if b.Miner == m2addr {
+						nodeOneMined = true
 						break
 					}
-				time.Sleep(blocktime)
 				}
 
-			if prevExpect == 2 && expect == 2 && !doneMinedTwo {
-				close(minedTwo)
-				doneMinedTwo = true
 			}
 
-			prevExpect = expect
+			if nodeOneMined && complChan != nil {
+				close(complChan)
+				complChan = nil
+			}
+
 		}
 	}()
 

chain/messagepool/selection.go

@@ -133,7 +133,7 @@ tailLoop:
 				continue
 			}
 			// this chain needs to be trimmed
-			last = i
+			last += i
 			continue tailLoop
 		}
 

miner/miner.go

@@ -6,10 +6,11 @@ import (
 	"crypto/rand"
 	"encoding/binary"
 	"fmt"
-	"github.com/filecoin-project/lotus/chain/gen/slashfilter"
 	"sync"
 	"time"
 
+	"github.com/filecoin-project/lotus/chain/gen/slashfilter"
+
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/specs-actors/actors/abi"
 	"github.com/filecoin-project/specs-actors/actors/crypto"
@@ -147,6 +148,11 @@ func (m *Miner) mine(ctx context.Context) {
 		default:
 		}
 
+		var base *MiningBase
+		var onDone func(bool, error)
+		var injectNulls abi.ChainEpoch
+
+		for {
 			prebase, err := m.GetBestMiningCandidate(ctx)
 			if err != nil {
 				log.Errorf("failed to get best mining candidate: %s", err)
@@ -154,18 +160,37 @@ func (m *Miner) mine(ctx context.Context) {
 				continue
 			}
 
+			if base != nil && base.TipSet.Height() == prebase.TipSet.Height() && base.NullRounds == prebase.NullRounds {
+				break
+			}
+			if base != nil {
+				onDone(false, nil)
+			}
+
+			// TODO: need to change the orchestration here. the problem is that
+			// we are waiting *after* we enter this loop and selecta mining
+			// candidate, which is almost certain to change in multiminer
+			// tests. Instead, we should block before entering the loop, so
+			// that when the test 'MineOne' function is triggered, we pull our
+			// best mining candidate at that time.
+
 			// Wait until propagation delay period after block we plan to mine on
-		onDone, injectNulls, err := m.waitFunc(ctx, prebase.TipSet.MinTimestamp())
+			onDone, injectNulls, err = m.waitFunc(ctx, prebase.TipSet.MinTimestamp())
 			if err != nil {
 				log.Error(err)
 				continue
 			}
 
-		base, err := m.GetBestMiningCandidate(ctx)
+			// just wait for the beacon entry to become available before we select our final mining base
+			_, err = m.api.BeaconGetEntry(ctx, prebase.TipSet.Height()+prebase.NullRounds+1)
 			if err != nil {
-			log.Errorf("failed to get best mining candidate: %s", err)
+				log.Errorf("failed getting beacon entry: %s", err)
 				continue
 			}
+
+			base = prebase
+		}
+
 		if base.TipSet.Equals(lastBase.TipSet) && lastBase.NullRounds == base.NullRounds {
 			log.Warnf("BestMiningCandidate from the previous round: %s (nulls:%d)", lastBase.TipSet.Cids(), lastBase.NullRounds)
 			m.niceSleep(time.Duration(build.BlockDelaySecs) * time.Second)

node/impl/full.go

@@ -25,6 +25,7 @@ type FullNodeAPI struct {
 	full.MsigAPI
 	full.WalletAPI
 	full.SyncAPI
+	full.BeaconAPI
 }
 
 var _ api.FullNode = &FullNodeAPI{}

node/impl/full/beacon.go

@@ -0,0 +1,35 @@
+package full
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/filecoin-project/lotus/chain/beacon"
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"go.uber.org/fx"
+)
+
+type BeaconAPI struct {
+	fx.In
+
+	Beacon beacon.RandomBeacon
+}
+
+func (a *BeaconAPI) BeaconGetEntry(ctx context.Context, epoch abi.ChainEpoch) (*types.BeaconEntry, error) {
+	rr := a.Beacon.MaxBeaconRoundForEpoch(epoch, types.BeaconEntry{})
+	e := a.Beacon.Entry(ctx, rr)
+
+	select {
+	case be, ok := <-e:
+		if !ok {
+			return nil, fmt.Errorf("beacon get returned no value")
+		}
+		if be.Err != nil {
+			return nil, be.Err
+		}
+		return &be.Entry, nil
+	case <-ctx.Done():
+		return nil, ctx.Err()
+	}
+}