Merge remote-tracking branch 'origin/master' into blocksync-refactor

.github/CODEOWNERS

@@ -0,0 +1,15 @@
+## filecoin-project/lotus CODEOWNERS
+## Refer to https://docs.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners.
+##
+## These users or groups will be automatically assigned as reviewers every time
+## a PR is submitted that modifies code in the specified locations.
+##
+## The Lotus repo configuration requires that at least ONE codeowner approves
+## the PR before merging.
+
+### Global owners.
+*                       @magik6k @whyrusleeping
+
+### Conformance testing.
+conformance/            @raulk
+extern/test-vectors     @raulk

api/api_full.go

@@ -2,6 +2,7 @@ package api
 
 import (
 	"context"
+	"fmt"
 	"time"
 
 	"github.com/filecoin-project/specs-actors/actors/runtime/proof"
@@ -709,8 +710,28 @@ const (
 	StageMessages
 	StageSyncComplete
 	StageSyncErrored
+	StageFetchingMessages
 )
 
+func (v SyncStateStage) String() string {
+	switch v {
+	case StageHeaders:
+		return "header sync"
+	case StagePersistHeaders:
+		return "persisting headers"
+	case StageMessages:
+		return "message sync"
+	case StageSyncComplete:
+		return "complete"
+	case StageSyncErrored:
+		return "error"
+	case StageFetchingMessages:
+		return "fetching messages"
+	default:
+		return fmt.Sprintf("<unknown: %d>", v)
+	}
+}
+
 type MpoolChange int
 
 const (

build/version.go

@@ -25,7 +25,7 @@ func buildType() string {
 }
 
 // BuildVersion is the local build version, set by build system
-const BuildVersion = "0.6.1"
+const BuildVersion = "0.6.2-rc1"
 
 func UserVersion() string {
 	return BuildVersion + buildType() + CurrentCommit

chain/messagepool/repub.go

@@ -27,7 +27,11 @@ func (mp *MessagePool) republishPendingMessages() error {
 		mp.curTsLk.Unlock()
 		return xerrors.Errorf("computing basefee: %w", err)
 	}
+
 	baseFeeLowerBound := types.BigDiv(baseFee, baseFeeLowerBoundFactor)
+	if baseFeeLowerBoundFactor.LessThan(minimumBaseFee) {
+		baseFeeLowerBound = minimumBaseFee
+	}
 
 	pending := make(map[address.Address]map[uint64]*types.SignedMessage)
 	mp.lk.Lock()

chain/messagepool/selection.go

@@ -3,6 +3,7 @@ package messagepool
 import (
 	"context"
 	"math/big"
+	"math/rand"
 	"sort"
 	"time"
 
@@ -304,6 +305,69 @@ tailLoop:
 		log.Infow("pack tail chains done", "took", dt)
 	}
 
+	// if we have gasLimit to spare, pick some random (non-negative) chains to fill the block
+	// we pick randomly so that we minimize the probability of duplication among all miners
+	startRandom := time.Now()
+	if gasLimit >= minGas {
+		shuffleChains(chains)
+
+		for _, chain := range chains {
+			// have we filled the block
+			if gasLimit < minGas {
+				break
+			}
+
+			// has it been merged or invalidated?
+			if chain.merged || !chain.valid {
+				continue
+			}
+
+			// is it negative?
+			if !allowNegativeChains(curTs.Height()) && chain.gasPerf < 0 {
+				continue
+			}
+
+			// compute the dependencies that must be merged and the gas limit including deps
+			chainGasLimit := chain.gasLimit
+			depGasLimit := int64(0)
+			var chainDeps []*msgChain
+			for curChain := chain.prev; curChain != nil && !curChain.merged; curChain = curChain.prev {
+				chainDeps = append(chainDeps, curChain)
+				chainGasLimit += curChain.gasLimit
+				depGasLimit += curChain.gasLimit
+			}
+
+			// do the deps fit? if the deps won't fit, invalidate the chain
+			if depGasLimit > gasLimit {
+				chain.Invalidate()
+				continue
+			}
+
+			// do they fit as is? if it doesn't, trim to make it fit if possible
+			if chainGasLimit > gasLimit {
+				chain.Trim(gasLimit-depGasLimit, mp, baseFee, allowNegativeChains(curTs.Height()))
+
+				if !chain.valid {
+					continue
+				}
+			}
+
+			// include it together with all dependencies
+			for i := len(chainDeps) - 1; i >= 0; i-- {
+				curChain := chainDeps[i]
+				curChain.merged = true
+				result = append(result, curChain.msgs...)
+			}
+
+			chain.merged = true
+			result = append(result, chain.msgs...)
+			gasLimit -= chainGasLimit
+		}
+	}
+	if dt := time.Since(startRandom); dt > time.Millisecond {
+		log.Infow("pack random tail chains done", "took", dt)
+	}
+
 	return result, nil
 }
 
@@ -852,3 +916,10 @@ func (mc *msgChain) BeforeEffective(other *msgChain) bool {
 		(mc.effPerf == other.effPerf && mc.gasPerf > other.gasPerf) ||
 		(mc.effPerf == other.effPerf && mc.gasPerf == other.gasPerf && mc.gasReward.Cmp(other.gasReward) > 0)
 }
+
+func shuffleChains(lst []*msgChain) {
+	for i := range lst {
+		j := rand.Intn(i + 1)
+		lst[i], lst[j] = lst[j], lst[i]
+	}
+}

chain/stmgr/forks.go

@@ -17,14 +17,14 @@ import (
 	"golang.org/x/xerrors"
 )
 
-var ForksAtHeight = map[abi.ChainEpoch]func(context.Context, *StateManager, types.StateTree) error{
+var ForksAtHeight = map[abi.ChainEpoch]func(context.Context, *StateManager, types.StateTree, *types.TipSet) error{
 	build.UpgradeBreezeHeight: UpgradeFaucetBurnRecovery,
 }
 
-func (sm *StateManager) handleStateForks(ctx context.Context, st types.StateTree, height abi.ChainEpoch) (err error) {
+func (sm *StateManager) handleStateForks(ctx context.Context, st types.StateTree, height abi.ChainEpoch, ts *types.TipSet) (err error) {
 	f, ok := ForksAtHeight[height]
 	if ok {
-		err := f(ctx, sm, st)
+		err := f(ctx, sm, st, ts)
 		if err != nil {
 			return err
 		}
@@ -66,7 +66,7 @@ func doTransfer(tree types.StateTree, from, to address.Address, amt abi.TokenAmo
 	return nil
 }
 
-func UpgradeFaucetBurnRecovery(ctx context.Context, sm *StateManager, tree types.StateTree) error {
+func UpgradeFaucetBurnRecovery(ctx context.Context, sm *StateManager, tree types.StateTree, ts *types.TipSet) error {
 	// Some initial parameters
 	FundsForMiners := types.FromFil(1_000_000)
 	LookbackEpoch := abi.ChainEpoch(32000)
@@ -91,7 +91,7 @@ func UpgradeFaucetBurnRecovery(ctx context.Context, sm *StateManager, tree types
 	}
 
 	// Grab lookback state for account checks
-	lbts, err := sm.ChainStore().GetTipsetByHeight(ctx, LookbackEpoch, nil, false)
+	lbts, err := sm.ChainStore().GetTipsetByHeight(ctx, LookbackEpoch, ts, false)
 	if err != nil {
 		return xerrors.Errorf("failed to get tipset at lookback height: %w", err)
 	}

chain/stmgr/forks_test.go

@@ -119,7 +119,7 @@ func TestForkHeightTriggers(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	stmgr.ForksAtHeight[testForkHeight] = func(ctx context.Context, sm *StateManager, st types.StateTree) error {
+	stmgr.ForksAtHeight[testForkHeight] = func(ctx context.Context, sm *StateManager, st types.StateTree, ts *types.TipSet) error {
 		cst := cbor.NewCborStore(sm.ChainStore().Blockstore())
 
 		act, err := st.GetActor(taddr)

chain/stmgr/stmgr.go

@@ -147,7 +147,7 @@ func (sm *StateManager) ExecutionTrace(ctx context.Context, ts *types.TipSet) (c
 
 type ExecCallback func(cid.Cid, *types.Message, *vm.ApplyRet) error
 
-func (sm *StateManager) ApplyBlocks(ctx context.Context, parentEpoch abi.ChainEpoch, pstate cid.Cid, bms []store.BlockMessages, epoch abi.ChainEpoch, r vm.Rand, cb ExecCallback, baseFee abi.TokenAmount) (cid.Cid, cid.Cid, error) {
+func (sm *StateManager) ApplyBlocks(ctx context.Context, parentEpoch abi.ChainEpoch, pstate cid.Cid, bms []store.BlockMessages, epoch abi.ChainEpoch, r vm.Rand, cb ExecCallback, baseFee abi.TokenAmount, ts *types.TipSet) (cid.Cid, cid.Cid, error) {
 
 	vmopt := &vm.VMOpts{
 		StateBase:      pstate,
@@ -201,7 +201,7 @@ func (sm *StateManager) ApplyBlocks(ctx context.Context, parentEpoch abi.ChainEp
 
 	for i := parentEpoch; i < epoch; i++ {
 		// handle state forks
-		err = sm.handleStateForks(ctx, vmi.StateTree(), i)
+		err = sm.handleStateForks(ctx, vmi.StateTree(), i, ts)
 		if err != nil {
 			return cid.Undef, cid.Undef, xerrors.Errorf("error handling state forks: %w", err)
 		}
@@ -350,7 +350,7 @@ func (sm *StateManager) computeTipSetState(ctx context.Context, ts *types.TipSet
 
 	baseFee := blks[0].ParentBaseFee
 
-	return sm.ApplyBlocks(ctx, parentEpoch, pstate, blkmsgs, blks[0].Height, r, cb, baseFee)
+	return sm.ApplyBlocks(ctx, parentEpoch, pstate, blkmsgs, blks[0].Height, r, cb, baseFee, ts)
 }
 
 func (sm *StateManager) parentState(ts *types.TipSet) cid.Cid {

chain/stmgr/utils.go

@@ -456,7 +456,7 @@ func ComputeState(ctx context.Context, sm *StateManager, height abi.ChainEpoch,
 
 	for i := ts.Height(); i < height; i++ {
 		// handle state forks
-		err = sm.handleStateForks(ctx, vmi.StateTree(), i)
+		err = sm.handleStateForks(ctx, vmi.StateTree(), i, ts)
 		if err != nil {
 			return cid.Undef, nil, xerrors.Errorf("error handling state forks: %w", err)
 		}

chain/sync.go

@@ -1439,6 +1439,7 @@ func (syncer *Syncer) syncMessagesAndCheckState(ctx context.Context, headers []*
 
 // fills out each of the given tipsets with messages and calls the callback with it
 func (syncer *Syncer) iterFullTipsets(ctx context.Context, headers []*types.TipSet, cb func(context.Context, *store.FullTipSet) error) error {
+	ss := extractSyncState(ctx)
 	ctx, span := trace.StartSpan(ctx, "iterFullTipsets")
 	defer span.End()
 
@@ -1466,6 +1467,7 @@ mainLoop:
 
 		nextI := (i + 1) - batchSize // want to fetch batchSize values, 'i' points to last one we want to fetch, so its 'inclusive' of our request, thus we need to add one to our request start index
 
+		ss.SetStage(api.StageFetchingMessages)
 		var bstout []*exchange.CompactedMessages
 		for len(bstout) < batchSize {
 			next := headers[nextI]
@@ -1485,6 +1487,7 @@ mainLoop:
 			bstout = append(bstout, bstips...)
 			nextI += len(bstips)
 		}
+		ss.SetStage(api.StageMessages)
 
 		for bsi := 0; bsi < len(bstout); bsi++ {
 			// temp storage so we don't persist data we dont want to

chain/syncstate.go

@@ -1,7 +1,6 @@
 package chain
 
 import (
-	"fmt"
 	"sync"
 	"time"
 
@@ -12,23 +11,6 @@ import (
 	"github.com/filecoin-project/lotus/chain/types"
 )
 
-func SyncStageString(v api.SyncStateStage) string {
-	switch v {
-	case api.StageHeaders:
-		return "header sync"
-	case api.StagePersistHeaders:
-		return "persisting headers"
-	case api.StageMessages:
-		return "message sync"
-	case api.StageSyncComplete:
-		return "complete"
-	case api.StageSyncErrored:
-		return "error"
-	default:
-		return fmt.Sprintf("<unknown: %d>", v)
-	}
-}
-
 type SyncerState struct {
 	lk      sync.Mutex
 	Target  *types.TipSet

cli/net.go

@@ -8,12 +8,17 @@ import (
 	"strings"
 	"text/tabwriter"
 
-	"github.com/libp2p/go-libp2p-core/peer"
-	protocol "github.com/libp2p/go-libp2p-core/protocol"
-
 	"github.com/dustin/go-humanize"
 	"github.com/urfave/cli/v2"
+	"golang.org/x/xerrors"
 
+	"github.com/libp2p/go-libp2p-core/peer"
+	protocol "github.com/libp2p/go-libp2p-core/protocol"
+	"github.com/multiformats/go-multiaddr"
+
+	"github.com/filecoin-project/go-address"
+
+	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/lib/addrutil"
 )
 
@@ -141,7 +146,7 @@ var NetListen = &cli.Command{
 var netConnect = &cli.Command{
 	Name:      "connect",
 	Usage:     "Connect to a peer",
-	ArgsUsage: "[peerMultiaddr]",
+	ArgsUsage: "[peerMultiaddr|minerActorAddress]",
 	Action: func(cctx *cli.Context) error {
 		api, closer, err := GetAPI(cctx)
 		if err != nil {
@@ -152,7 +157,43 @@ var netConnect = &cli.Command{
 
 		pis, err := addrutil.ParseAddresses(ctx, cctx.Args().Slice())
 		if err != nil {
-			return err
+			a, perr := address.NewFromString(cctx.Args().First())
+			if perr != nil {
+				return err
+			}
+
+			na, fc, err := GetFullNodeAPI(cctx)
+			if err != nil {
+				return err
+			}
+			defer fc()
+
+			mi, err := na.StateMinerInfo(ctx, a, types.EmptyTSK)
+			if err != nil {
+				return xerrors.Errorf("getting miner info: %w", err)
+			}
+
+			if mi.PeerId == nil {
+				return xerrors.Errorf("no PeerID for miner")
+			}
+			multiaddrs := make([]multiaddr.Multiaddr, 0, len(mi.Multiaddrs))
+			for i, a := range mi.Multiaddrs {
+				maddr, err := multiaddr.NewMultiaddrBytes(a)
+				if err != nil {
+					log.Warnf("parsing multiaddr %d (%x): %s", i, a, err)
+					continue
+				}
+				multiaddrs = append(multiaddrs, maddr)
+			}
+
+			pi := peer.AddrInfo{
+				ID:    *mi.PeerId,
+				Addrs: multiaddrs,
+			}
+
+			fmt.Printf("%s -> %s\n", a, pi)
+
+			pis = append(pis, pi)
 		}
 
 		for _, pi := range pis {

cli/sync.go

@@ -11,7 +11,6 @@ import (
 
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain"
 )
 
 var syncCmd = &cli.Command{
@@ -61,7 +60,7 @@ var syncStatusCmd = &cli.Command{
 			fmt.Printf("\tBase:\t%s\n", base)
 			fmt.Printf("\tTarget:\t%s (%d)\n", target, theight)
 			fmt.Printf("\tHeight diff:\t%d\n", heightDiff)
-			fmt.Printf("\tStage: %s\n", chain.SyncStageString(ss.Stage))
+			fmt.Printf("\tStage: %s\n", ss.Stage)
 			fmt.Printf("\tHeight: %d\n", ss.Height)
 			if ss.End.IsZero() {
 				if !ss.Start.IsZero() {
@@ -186,7 +185,7 @@ func SyncWait(ctx context.Context, napi api.FullNode) error {
 			theight = ss.Target.Height()
 		}
 
-		fmt.Printf("\r\x1b[2KWorker %d: Target Height: %d\tTarget: %s\tState: %s\tHeight: %d", working, theight, target, chain.SyncStageString(ss.Stage), ss.Height)
+		fmt.Printf("\r\x1b[2KWorker %d: Target Height: %d\tTarget: %s\tState: %s\tHeight: %d", working, theight, target, ss.Stage, ss.Height)
 
 		if time.Now().Unix()-int64(head.MinTimestamp()) < int64(build.BlockDelaySecs) {
 			fmt.Println("\nDone!")

conformance/driver.go

@@ -102,7 +102,7 @@ func (d *Driver) ExecuteTipset(bs blockstore.Blockstore, ds ds.Batching, preroot
 		messages = append(messages, msg)
 		results = append(results, ret)
 		return nil
-	}, tipset.BaseFee)
+	}, tipset.BaseFee, nil)
 
 	if err != nil {
 		return nil, err

extern/sector-storage/ffiwrapper/sealer_cgo.go

@@ -410,7 +410,7 @@ func (sb *Sealer) ReadPiece(ctx context.Context, writer io.Writer, sector abi.Se
 		return false, xerrors.Errorf("closing partial file: %w", err)
 	}
 
-	return false, nil
+	return true, nil
 }
 
 func (sb *Sealer) SealPreCommit1(ctx context.Context, sector abi.SectorID, ticket abi.SealRandomness, pieces []abi.PieceInfo) (out storage.PreCommit1Out, err error) {

extern/sector-storage/manager.go

@@ -217,16 +217,11 @@ func (m *Manager) ReadPiece(ctx context.Context, sink io.Writer, sector abi.Sect
 		return xerrors.Errorf("read piece: checking for already existing unsealed sector: %w", err)
 	}
 
+	var readOk bool
 	var selector WorkerSelector
 	if len(best) == 0 { // new
 		selector = newAllocSelector(m.index, stores.FTUnsealed, stores.PathSealing)
 	} else { // append to existing
-		selector = newExistingSelector(m.index, sector, stores.FTUnsealed, false)
-	}
-
-	var readOk bool
-
-	if len(best) > 0 {
 		// There is unsealed sector, see if we can read from it
 
 		selector = newExistingSelector(m.index, sector, stores.FTUnsealed, false)
@@ -257,6 +252,9 @@ func (m *Manager) ReadPiece(ctx context.Context, sink io.Writer, sector abi.Sect
 		return nil
 	}
 
+	if unsealed == cid.Undef {
+		return xerrors.Errorf("cannot unseal piece (sector: %d, offset: %d size: %d) - unsealed cid is undefined", sector, offset, size)
+	}
 	err = m.sched.Schedule(ctx, sector, sealtasks.TTUnseal, selector, unsealFetch, func(ctx context.Context, w Worker) error {
 		return w.UnsealPiece(ctx, sector, offset, size, ticket, unsealed)
 	})
@@ -274,7 +272,7 @@ func (m *Manager) ReadPiece(ctx context.Context, sink io.Writer, sector abi.Sect
 		return xerrors.Errorf("reading piece from sealed sector: %w", err)
 	}
 
-	if readOk {
+	if !readOk {
 		return xerrors.Errorf("failed to read unsealed piece")
 	}
 

markets/storageadapter/client.go

@@ -161,7 +161,7 @@ func (c *ClientNodeAdapter) ValidatePublishedDeal(ctx context.Context, deal stor
 
 	pubmsg, err := c.cs.GetMessage(*deal.PublishMessage)
 	if err != nil {
-		return 0, xerrors.Errorf("getting deal pubsish message: %w", err)
+		return 0, xerrors.Errorf("getting deal publish message: %w", err)
 	}
 
 	mi, err := stmgr.StateMinerInfo(ctx, c.sm, c.cs.GetHeaviestTipSet(), deal.Proposal.Provider)

node/hello/hello.go

@@ -104,6 +104,10 @@ func (hs *Service) HandleStream(s inet.Stream) {
 		build.Clock.Sleep(time.Millisecond * 300)
 	}
 
+	if hs.pmgr != nil {
+		hs.pmgr.AddFilecoinPeer(s.Conn().RemotePeer())
+	}
+
 	ts, err := hs.syncer.FetchTipSet(context.Background(), s.Conn().RemotePeer(), types.NewTipSetKey(hmsg.HeaviestTipSet...))
 	if err != nil {
 		log.Errorf("failed to fetch tipset from peer during hello: %+v", err)
@@ -117,9 +121,6 @@ func (hs *Service) HandleStream(s inet.Stream) {
 		log.Infof("Got new tipset through Hello: %s from %s", ts.Cids(), s.Conn().RemotePeer())
 		hs.syncer.InformNewHead(s.Conn().RemotePeer(), ts)
 	}
-	if hs.pmgr != nil {
-		hs.pmgr.AddFilecoinPeer(s.Conn().RemotePeer())
-	}
 
 }
 

node/impl/full/gas.go

@@ -6,12 +6,8 @@ import (
 	"math/rand"
 	"sort"
 
-	"github.com/filecoin-project/lotus/api"
+	"go.uber.org/fx"
-	"github.com/filecoin-project/lotus/build"
+	"golang.org/x/xerrors"
-	"github.com/filecoin-project/lotus/chain/messagepool"
-	"github.com/filecoin-project/lotus/chain/stmgr"
-	"github.com/filecoin-project/lotus/chain/store"
-	"github.com/filecoin-project/lotus/chain/types"
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
@@ -19,8 +15,12 @@ import (
 	"github.com/filecoin-project/go-state-types/exitcode"
 	"github.com/filecoin-project/specs-actors/actors/builtin"
 
-	"go.uber.org/fx"
+	"github.com/filecoin-project/lotus/api"
-	"golang.org/x/xerrors"
+	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/chain/messagepool"
+	"github.com/filecoin-project/lotus/chain/stmgr"
+	"github.com/filecoin-project/lotus/chain/store"
+	"github.com/filecoin-project/lotus/chain/types"
 )
 
 type GasAPI struct {
@@ -50,6 +50,35 @@ func (a *GasAPI) GasEstimateFeeCap(ctx context.Context, msg *types.Message, maxq
 	return out, nil
 }
 
+type gasMeta struct {
+	price big.Int
+	limit int64
+}
+
+func medianGasPremium(prices []gasMeta, blocks int) abi.TokenAmount {
+	sort.Slice(prices, func(i, j int) bool {
+		// sort desc by price
+		return prices[i].price.GreaterThan(prices[j].price)
+	})
+
+	at := build.BlockGasTarget * int64(blocks) / 2
+	prev1, prev2 := big.Zero(), big.Zero()
+	for _, price := range prices {
+		prev1, prev2 = price.price, prev1
+		at -= price.limit
+		if at < 0 {
+			break
+		}
+	}
+
+	premium := prev1
+	if prev2.Sign() != 0 {
+		premium = big.Div(types.BigAdd(prev1, prev2), types.NewInt(2))
+	}
+
+	return premium
+}
+
 func (a *GasAPI) GasEstimateGasPremium(ctx context.Context, nblocksincl uint64,
 	sender address.Address, gaslimit int64, _ types.TipSetKey) (types.BigInt, error) {
 
@@ -57,11 +86,6 @@ func (a *GasAPI) GasEstimateGasPremium(ctx context.Context, nblocksincl uint64,
 		nblocksincl = 1
 	}
 
-	type gasMeta struct {
-		price big.Int
-		limit int64
-	}
-
 	var prices []gasMeta
 	var blocks int
 
@@ -92,25 +116,7 @@ func (a *GasAPI) GasEstimateGasPremium(ctx context.Context, nblocksincl uint64,
 		ts = pts
 	}
 
-	sort.Slice(prices, func(i, j int) bool {
+	premium := medianGasPremium(prices, blocks)
-		// sort desc by price
-		return prices[i].price.GreaterThan(prices[j].price)
-	})
-
-	at := build.BlockGasTarget * int64(blocks) / 2
-	prev1, prev2 := big.Zero(), big.Zero()
-	for _, price := range prices {
-		prev1, prev2 = price.price, prev1
-		at -= price.limit
-		if at > 0 {
-			continue
-		}
-	}
-
-	premium := prev1
-	if prev2.Sign() != 0 {
-		premium = big.Div(types.BigAdd(prev1, prev2), types.NewInt(2))
-	}
 
 	if types.BigCmp(premium, types.NewInt(MinGasPremium)) < 0 {
 		switch nblocksincl {

node/impl/full/gas_test.go

@@ -0,0 +1,40 @@
+package full
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/filecoin-project/go-state-types/big"
+
+	"github.com/filecoin-project/lotus/build"
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+func TestMedian(t *testing.T) {
+	require.Equal(t, types.NewInt(5), medianGasPremium([]gasMeta{
+		{big.NewInt(5), build.BlockGasTarget},
+	}, 1))
+
+	require.Equal(t, types.NewInt(10), medianGasPremium([]gasMeta{
+		{big.NewInt(5), build.BlockGasTarget},
+		{big.NewInt(10), build.BlockGasTarget},
+	}, 1))
+
+	require.Equal(t, types.NewInt(15), medianGasPremium([]gasMeta{
+		{big.NewInt(10), build.BlockGasTarget / 2},
+		{big.NewInt(20), build.BlockGasTarget / 2},
+	}, 1))
+
+	require.Equal(t, types.NewInt(25), medianGasPremium([]gasMeta{
+		{big.NewInt(10), build.BlockGasTarget / 2},
+		{big.NewInt(20), build.BlockGasTarget / 2},
+		{big.NewInt(30), build.BlockGasTarget / 2},
+	}, 1))
+
+	require.Equal(t, types.NewInt(15), medianGasPremium([]gasMeta{
+		{big.NewInt(10), build.BlockGasTarget / 2},
+		{big.NewInt(20), build.BlockGasTarget / 2},
+		{big.NewInt(30), build.BlockGasTarget / 2},
+	}, 2))
+}

tools/stats/rpc.go

@@ -14,7 +14,6 @@ import (
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/api/client"
 	"github.com/filecoin-project/lotus/build"
-	"github.com/filecoin-project/lotus/chain"
 	"github.com/filecoin-project/lotus/chain/store"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/node/repo"
@@ -72,7 +71,7 @@ sync_complete:
 						"target_height", w.Target.Height(),
 						"height", w.Height,
 						"error", w.Message,
-						"stage", chain.SyncStageString(w.Stage),
+						"stage", w.Stage.String(),
 					)
 				} else {
 					log.Infow(
@@ -82,7 +81,7 @@ sync_complete:
 						"target", w.Target.Key(),
 						"target_height", w.Target.Height(),
 						"height", w.Height,
-						"stage", chain.SyncStageString(w.Stage),
+						"stage", w.Stage.String(),
 					)
 				}