feat: drand quicknet: allow scheduling drand quicknet upgrade before nv22 on 2k devnet

build/drand.go

@@ -10,8 +10,8 @@ type DrandEnum int
 
 func DrandConfigSchedule() dtypes.DrandSchedule {
 	out := dtypes.DrandSchedule{}
-	for start, config := range DrandSchedule {
-		out = append(out, dtypes.DrandPoint{Start: start, Config: DrandConfigs[config]})
+	for start, network := range DrandSchedule {
+		out = append(out, dtypes.DrandPoint{Start: start, Config: DrandConfigs[network]})
 	}
 
 	sort.Slice(out, func(i, j int) bool {
@@ -44,6 +44,7 @@ var DrandConfigs = map[DrandEnum]dtypes.DrandConfig{
 			"/dnsaddr/api2.drand.sh/",
 			"/dnsaddr/api3.drand.sh/",
 		},
+		IsChained:     true,
 		ChainInfoJSON: `{"public_key":"868f005eb8e6e4ca0a47c8a77ceaa5309a47978a7c71bc5cce96366b5d7a569937c529eeda66c7293784a9402801af31","period":30,"genesis_time":1595431050,"hash":"8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce","groupHash":"176f93498eac9ca337150b46d21dd58673ea4e3581185f869672e59fa4cb390a"}`,
 	},
 	DrandQuicknet: {
@@ -59,6 +60,7 @@ var DrandConfigs = map[DrandEnum]dtypes.DrandConfig{
 			"/dnsaddr/api2.drand.sh/",
 			"/dnsaddr/api3.drand.sh/",
 		},
+		IsChained:     false,
 		ChainInfoJSON: `{"public_key":"83cf0f2896adee7eb8b5f01fcad3912212c437e0073e911fb90022d3e760183c8c4b450b6a0a6c3ac6a5776a2d1064510d1fec758c921cc22b0e17e63aaf4bcb5ed66304de9cf809bd274ca73bab4af5a6e9c76a4bc09e76eae8991ef5ece45a","period":3,"genesis_time":1692803367,"hash":"52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971","groupHash":"f477d5c89f21a17c863a7f937c6a6d15859414d2be09cd448d4279af331c5d3e","schemeID":"bls-unchained-g1-rfc9380","metadata":{"beaconID":"quicknet"}}`,
 	},
 	DrandTestnet: {
@@ -72,6 +74,7 @@ var DrandConfigs = map[DrandEnum]dtypes.DrandConfig{
 			"/dnsaddr/pl-us.testnet.drand.sh/",
 			"/dnsaddr/pl-sin.testnet.drand.sh/",
 		},
+		IsChained:     true,
 		ChainInfoJSON: `{"public_key":"922a2e93828ff83345bae533f5172669a26c02dc76d6bf59c80892e12ab1455c229211886f35bb56af6d5bea981024df","period":25,"genesis_time":1590445175,"hash":"84b2234fb34e835dccd048255d7ad3194b81af7d978c3bf157e3469592ae4e02","groupHash":"4dd408e5fdff9323c76a9b6f087ba8fdc5a6da907bd9217d9d10f2287d081957"}`,
 	},
 	DrandDevnet: {
@@ -83,9 +86,11 @@ var DrandConfigs = map[DrandEnum]dtypes.DrandConfig{
 			"/dnsaddr/dev1.drand.sh/",
 			"/dnsaddr/dev2.drand.sh/",
 		},
+		IsChained:     true,
 		ChainInfoJSON: `{"public_key":"8cda589f88914aa728fd183f383980b35789ce81b274e5daee1f338b77d02566ef4d3fb0098af1f844f10f9c803c1827","period":25,"genesis_time":1595348225,"hash":"e73b7dc3c4f6a236378220c0dd6aa110eb16eed26c11259606e07ee122838d4f","groupHash":"567d4785122a5a3e75a9bc9911d7ea807dd85ff76b78dc4ff06b075712898607"}`,
 	},
 	DrandIncentinet: {
+		IsChained:     true,
 		ChainInfoJSON: `{"public_key":"8cad0c72c606ab27d36ee06de1d5b2db1faf92e447025ca37575ab3a8aac2eaae83192f846fc9e158bc738423753d000","period":30,"genesis_time":1595873820,"hash":"80c8b872c714f4c00fdd3daa465d5514049f457f01f85a4caf68cdcd394ba039","groupHash":"d9406aaed487f7af71851b4399448e311f2328923d454e971536c05398ce2d9b"}`,
 	},
 }

build/params_2k.go

@@ -23,7 +23,7 @@ var NetworkBundle = "devnet"
 var BundleOverrides map[actorstypes.Version]string
 var ActorDebugging = true
 
-const GenesisNetworkVersion = network.Version21
+var GenesisNetworkVersion = network.Version21
 
 var UpgradeBreezeHeight = abi.ChainEpoch(-1)
 
@@ -96,6 +96,22 @@ func init() {
 	policy.SetMinVerifiedDealSize(MinVerifiedDealSize)
 	policy.SetPreCommitChallengeDelay(PreCommitChallengeDelay)
 
+	getGenesisNetworkVersion := func(ev string, def network.Version) network.Version {
+		hs, found := os.LookupEnv(ev)
+		if found {
+			h, err := strconv.Atoi(hs)
+			if err != nil {
+				log.Panicf("failed to parse %s env var", ev)
+			}
+
+			return network.Version(h)
+		}
+
+		return def
+	}
+
+	GenesisNetworkVersion = getGenesisNetworkVersion("LOTUS_GENESIS_NETWORK_VERSION", GenesisNetworkVersion)
+
 	getUpgradeHeight := func(ev string, def abi.ChainEpoch) abi.ChainEpoch {
 		hs, found := os.LookupEnv(ev)
 		if found {
@@ -136,6 +152,12 @@ func init() {
 	UpgradeWatermelonHeight = getUpgradeHeight("LOTUS_WATERMELON_HEIGHT", UpgradeWatermelonHeight)
 	UpgradeDragonHeight = getUpgradeHeight("LOTUS_DRAGON_HEIGHT", UpgradeDragonHeight)
 
+	UpgradePhoenixHeight = getUpgradeHeight("LOTUS_PHOENIX_HEIGHT", UpgradePhoenixHeight)
+	DrandSchedule = map[abi.ChainEpoch]DrandEnum{
+		0:                    DrandMainnet,
+		UpgradePhoenixHeight: DrandQuicknet,
+	}
+
 	BuildType |= Build2k
 
 }

chain/beacon/beacon.go

@@ -45,14 +45,17 @@ type RandomBeacon interface {
 	Entry(context.Context, uint64) <-chan Response
 	VerifyEntry(entry types.BeaconEntry, prevEntrySig []byte) error
 	MaxBeaconRoundForEpoch(network.Version, abi.ChainEpoch) uint64
+	IsChained() bool
 }
 
 func ValidateBlockValues(bSchedule Schedule, nv network.Version, h *types.BlockHeader, parentEpoch abi.ChainEpoch,
 	prevEntry types.BeaconEntry) error {
-	// Before nv22 we had "chained" beacons, and so required two entries at a fork
-	if nv < network.Version22 {
+
+	currBeacon := bSchedule.BeaconForEpoch(h.Height)
+	// When we have "chained" beacons, two entries at a fork are required.
+	if currBeacon.IsChained() {
 		parentBeacon := bSchedule.BeaconForEpoch(parentEpoch)
-		currBeacon := bSchedule.BeaconForEpoch(h.Height)
+
 		if parentBeacon != currBeacon {
 			if len(h.BeaconEntries) != 2 {
 				return xerrors.Errorf("expected two beacon entries at beacon fork, got %d", len(h.BeaconEntries))
@@ -80,8 +83,8 @@ func ValidateBlockValues(bSchedule Schedule, nv network.Version, h *types.BlockH
 		return xerrors.Errorf("expected to have beacon entries in this block, but didn't find any")
 	}
 
-	if nv < network.Version22 && prevEntry.Round == 0 {
-		// We skip verifying the genesis entry before nv22, since that was "chained" randomness.
+	// We skip verifying the genesis entry when randomness is "chained".
+	if currBeacon.IsChained() && prevEntry.Round == 0 {
 		return nil
 	}
 
@@ -110,10 +113,10 @@ func ValidateBlockValues(bSchedule Schedule, nv network.Version, h *types.BlockH
 }
 
 func BeaconEntriesForBlock(ctx context.Context, bSchedule Schedule, nv network.Version, epoch abi.ChainEpoch, parentEpoch abi.ChainEpoch, prev types.BeaconEntry) ([]types.BeaconEntry, error) {
-	// Before nv22 we had "chained" beacons, and so required two entries at a fork
-	if nv < network.Version22 {
+	// When we have "chained" beacons, two entries at a fork are required.
+	currBeacon := bSchedule.BeaconForEpoch(epoch)
+	if currBeacon.IsChained() {
 		parentBeacon := bSchedule.BeaconForEpoch(parentEpoch)
-		currBeacon := bSchedule.BeaconForEpoch(epoch)
 		if parentBeacon != currBeacon {
 			// Fork logic
 			round := currBeacon.MaxBeaconRoundForEpoch(nv, epoch)

chain/beacon/drand/drand.go

@@ -37,7 +37,8 @@ var log = logging.Logger("drand")
 //
 // The root trust for the Drand chain is configured from build.DrandChain.
 type DrandBeacon struct {
-	client dclient.Client
+	isChained bool
+	client    dclient.Client
 
 	pubkey kyber.Point
 
@@ -52,6 +53,10 @@ type DrandBeacon struct {
 	localCache *lru.Cache[uint64, *types.BeaconEntry]
 }
 
+func (db *DrandBeacon) IsChained() bool {
+	return db.isChained
+}
+
 // DrandHTTPClient interface overrides the user agent used by drand
 type DrandHTTPClient interface {
 	SetUserAgent(string)
@@ -117,6 +122,7 @@ func NewDrandBeacon(genesisTs, interval uint64, ps *pubsub.PubSub, config dtypes
 	}
 
 	db := &DrandBeacon{
+		isChained:  config.IsChained,
 		client:     client,
 		localCache: lc,
 	}

chain/beacon/drand/drand_test.go

@@ -33,7 +33,15 @@ func TestMaxBeaconRoundForEpoch(t *testing.T) {
 	todayTs := uint64(1652222222)
 	db, err := NewDrandBeacon(todayTs, build.BlockDelaySecs, nil, build.DrandConfigs[build.DrandTestnet])
 	assert.NoError(t, err)
+	assert.True(t, db.IsChained())
 	mbr15 := db.MaxBeaconRoundForEpoch(network.Version15, 100)
 	mbr16 := db.MaxBeaconRoundForEpoch(network.Version16, 100)
 	assert.Equal(t, mbr15+1, mbr16)
 }
+
+func TestQuicknetIsChained(t *testing.T) {
+	todayTs := uint64(1652222222)
+	db, err := NewDrandBeacon(todayTs, build.BlockDelaySecs, nil, build.DrandConfigs[build.DrandQuicknet])
+	assert.NoError(t, err)
+	assert.False(t, db.IsChained())
+}

chain/beacon/mock.go

@@ -20,6 +20,10 @@ type mockBeacon struct {
 	interval time.Duration
 }
 
+func (mb *mockBeacon) IsChained() bool {
+	return true
+}
+
 func NewMockBeacon(interval time.Duration) RandomBeacon {
 	mb := &mockBeacon{interval: interval}
 

node/modules/dtypes/beacon.go

@@ -13,4 +13,5 @@ type DrandConfig struct {
 	Servers       []string
 	Relays        []string
 	ChainInfoJSON string
+	IsChained     bool
 }