Merge pull request #2188 from filecoin-project/const-relaxation

make system constants configurable as vars.
This commit is contained in:
Łukasz Magiera 2020-07-01 10:43:07 +02:00 committed by GitHub
commit a362ef97df
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GPG Key ID: 4AEE18F83AFDEB23
27 changed files with 178 additions and 85 deletions

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@ -191,6 +191,12 @@ health:
.PHONY: health
BINS+=health
testground:
go build -tags testground -o /dev/null ./cmd/lotus
.PHONY: testground
BINS+=testground
# MISC
buildall: $(BINS)

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@ -20,10 +20,9 @@ func init() {
BuildType |= Build2k
}
// Seconds
const BlockDelay = 2
const BlockDelaySecs = uint64(2)
const PropagationDelay = 3
const PropagationDelaySecs = uint64(3)
// SlashablePowerDelay is the number of epochs after ElectionPeriodStart, after
// which the miner is slashed

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@ -0,0 +1,38 @@
package build
import (
"sort"
"github.com/libp2p/go-libp2p-core/protocol"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/builtin/miner"
"github.com/filecoin-project/lotus/node/modules/dtypes"
)
func DefaultSectorSize() abi.SectorSize {
szs := make([]abi.SectorSize, 0, len(miner.SupportedProofTypes))
for spt := range miner.SupportedProofTypes {
ss, err := spt.SectorSize()
if err != nil {
panic(err)
}
szs = append(szs, ss)
}
sort.Slice(szs, func(i, j int) bool {
return szs[i] < szs[j]
})
return szs[0]
}
// Core network constants
func BlocksTopic(netName dtypes.NetworkName) string { return "/fil/blocks/" + string(netName) }
func MessagesTopic(netName dtypes.NetworkName) string { return "/fil/msgs/" + string(netName) }
func DhtProtocolName(netName dtypes.NetworkName) protocol.ID {
return protocol.ID("/fil/kad/" + string(netName))
}

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@ -1,10 +1,9 @@
// +build !testground
package build
import (
"math/big"
"sort"
"github.com/libp2p/go-libp2p-core/protocol"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/builtin"
@ -13,32 +12,6 @@ import (
"github.com/filecoin-project/lotus/node/modules/dtypes"
)
func DefaultSectorSize() abi.SectorSize {
szs := make([]abi.SectorSize, 0, len(miner.SupportedProofTypes))
for spt := range miner.SupportedProofTypes {
ss, err := spt.SectorSize()
if err != nil {
panic(err)
}
szs = append(szs, ss)
}
sort.Slice(szs, func(i, j int) bool {
return szs[i] < szs[j]
})
return szs[0]
}
// Core network constants
func BlocksTopic(netName dtypes.NetworkName) string { return "/fil/blocks/" + string(netName) }
func MessagesTopic(netName dtypes.NetworkName) string { return "/fil/msgs/" + string(netName) }
func DhtProtocolName(netName dtypes.NetworkName) protocol.ID {
return protocol.ID("/fil/kad/" + string(netName))
}
// /////
// Storage
@ -48,8 +21,7 @@ const UnixfsLinksPerLevel = 1024
// /////
// Consensus / Network
// Seconds
const AllowableClockDrift = 1
const AllowableClockDriftSecs = uint64(1)
// Epochs
const ForkLengthThreshold = Finality
@ -59,12 +31,12 @@ var BlocksPerEpoch = uint64(builtin.ExpectedLeadersPerEpoch)
// Epochs
const Finality = miner.ChainFinalityish
const MessageConfidence = 5
const MessageConfidence = uint64(5)
// constants for Weight calculation
// The ratio of weight contributed by short-term vs long-term factors in a given round
const WRatioNum = int64(1)
const WRatioDen = 2
const WRatioDen = uint64(2)
// /////
// Proofs
@ -82,25 +54,25 @@ const MaxSealLookback = SealRandomnessLookbackLimit + 2000 // TODO: Get from spe
// Mining
// Epochs
const TicketRandomnessLookback = 1
const TicketRandomnessLookback = abi.ChainEpoch(1)
const WinningPoStSectorSetLookback = 10
const WinningPoStSectorSetLookback = abi.ChainEpoch(10)
// /////
// Devnet settings
const TotalFilecoin = 2_000_000_000
const MiningRewardTotal = 1_400_000_000
const TotalFilecoin = uint64(2_000_000_000)
const MiningRewardTotal = uint64(1_400_000_000)
const FilecoinPrecision = 1_000_000_000_000_000_000
const FilecoinPrecision = uint64(1_000_000_000_000_000_000)
var InitialRewardBalance *big.Int
// TODO: Move other important consts here
func init() {
InitialRewardBalance = big.NewInt(MiningRewardTotal)
InitialRewardBalance = InitialRewardBalance.Mul(InitialRewardBalance, big.NewInt(FilecoinPrecision))
InitialRewardBalance = big.NewInt(int64(MiningRewardTotal))
InitialRewardBalance = InitialRewardBalance.Mul(InitialRewardBalance, big.NewInt(int64(FilecoinPrecision)))
}
// Sync

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@ -0,0 +1,73 @@
// +build testground
// This file makes hardcoded parameters (const) configurable as vars.
//
// Its purpose is to unlock various degrees of flexibility and parametrization
// when writing Testground plans for Lotus.
//
package build
import (
"math/big"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/filecoin-project/specs-actors/actors/builtin/miner"
)
var (
UnixfsChunkSize = uint64(1 << 20)
UnixfsLinksPerLevel = 1024
BlocksPerEpoch = uint64(builtin.ExpectedLeadersPerEpoch)
BlockMessageLimit = 512
BlockGasLimit = int64(100_000_000_000)
BlockDelaySecs = uint64(builtin.EpochDurationSeconds)
PropagationDelaySecs = uint64(6)
AllowableClockDriftSecs = uint64(1)
Finality = miner.ChainFinalityish
ForkLengthThreshold = Finality
SlashablePowerDelay = 20
InteractivePoRepConfidence = 6
MessageConfidence uint64 = 5
WRatioNum = int64(1)
WRatioDen = uint64(2)
BadBlockCacheSize = 1 << 15
BlsSignatureCacheSize = 40000
VerifSigCacheSize = 32000
SealRandomnessLookback = Finality
SealRandomnessLookbackLimit = SealRandomnessLookback + 2000
MaxSealLookback = SealRandomnessLookbackLimit + 2000
TicketRandomnessLookback = abi.ChainEpoch(1)
WinningPoStSectorSetLookback = abi.ChainEpoch(10)
TotalFilecoin uint64 = 2_000_000_000
MiningRewardTotal uint64 = 1_400_000_000
FilecoinPrecision uint64 = 1_000_000_000_000_000_000
InitialRewardBalance = func() *big.Int {
v := big.NewInt(int64(MiningRewardTotal))
v = v.Mul(v, big.NewInt(int64(FilecoinPrecision)))
return v
}()
DrandConfig = dtypes.DrandConfig{
Servers: []string{
"https://pl-eu.testnet.drand.sh",
"https://pl-us.testnet.drand.sh",
"https://pl-sin.testnet.drand.sh",
},
ChainInfoJSON: `{"public_key":"922a2e93828ff83345bae533f5172669a26c02dc76d6bf59c80892e12ab1455c229211886f35bb56af6d5bea981024df","period":25,"genesis_time":1590445175,"hash":"138a324aa6540f93d0dad002aa89454b1bec2b6e948682cde6bd4db40f4b7c9b"}`,
}
)

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@ -1,5 +1,6 @@
// +build !debug
// +build !2k
// +build !testground
package build
@ -19,7 +20,6 @@ func init() {
}
}
// Seconds
const BlockDelay = builtin.EpochDurationSeconds
const BlockDelaySecs = uint64(builtin.EpochDurationSeconds)
const PropagationDelay = 6
const PropagationDelaySecs = uint64(6)

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@ -196,7 +196,7 @@ func NewGeneratorWithSectors(numSectors int) (*ChainGen, error) {
*genm2,
},
NetworkName: "",
Timestamp: uint64(time.Now().Add(-500 * build.BlockDelay * time.Second).Unix()),
Timestamp: uint64(time.Now().Add(-500 * time.Duration(build.BlockDelaySecs) * time.Second).Unix()),
}
genb, err := genesis2.MakeGenesisBlock(context.TODO(), bs, sys, tpl)
@ -223,7 +223,7 @@ func NewGeneratorWithSectors(numSectors int) (*ChainGen, error) {
miners := []address.Address{maddr1, maddr2}
beac := beacon.NewMockBeacon(time.Second)
//beac, err := drand.NewDrandBeacon(tpl.Timestamp, build.BlockDelay)
//beac, err := drand.NewDrandBeacon(tpl.Timestamp, build.BlockDelaySecs)
//if err != nil {
//return nil, xerrors.Errorf("creating drand beacon: %w", err)
//}
@ -414,7 +414,7 @@ func (cg *ChainGen) makeBlock(parents *types.TipSet, m address.Address, vrfticke
if cg.Timestamper != nil {
ts = cg.Timestamper(parents, height-parents.Height())
} else {
ts = parents.MinTimestamp() + uint64((height-parents.Height())*build.BlockDelay)
ts = parents.MinTimestamp() + uint64(height-parents.Height())*build.BlockDelaySecs
}
fblk, err := MinerCreateBlock(context.TODO(), cg.sm, cg.w, &api.BlockTemplate{

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@ -187,7 +187,7 @@ func New(api Provider, ds dtypes.MetadataDS, netName dtypes.NetworkName) (*Messa
mp := &MessagePool{
closer: make(chan struct{}),
repubTk: time.NewTicker(build.BlockDelay * 10 * time.Second),
repubTk: time.NewTicker(time.Duration(build.BlockDelaySecs) * 10 * time.Second),
localAddrs: make(map[address.Address]struct{}),
pending: make(map[address.Address]*msgSet),
minGasPrice: types.NewInt(0),

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@ -666,18 +666,18 @@ func (syncer *Syncer) ValidateBlock(ctx context.Context, b *types.FullBlock) (er
// fast checks first
now := uint64(time.Now().Unix())
if h.Timestamp > now+build.AllowableClockDrift {
if h.Timestamp > now+build.AllowableClockDriftSecs {
return xerrors.Errorf("block was from the future (now=%d, blk=%d): %w", now, h.Timestamp, ErrTemporal)
}
if h.Timestamp > now {
log.Warn("Got block from the future, but within threshold", h.Timestamp, time.Now().Unix())
}
if h.Timestamp < baseTs.MinTimestamp()+(build.BlockDelay*uint64(h.Height-baseTs.Height())) {
if h.Timestamp < baseTs.MinTimestamp()+(build.BlockDelaySecs*uint64(h.Height-baseTs.Height())) {
log.Warn("timestamp funtimes: ", h.Timestamp, baseTs.MinTimestamp(), h.Height, baseTs.Height())
diff := (baseTs.MinTimestamp() + (build.BlockDelay * uint64(h.Height-baseTs.Height()))) - h.Timestamp
diff := (baseTs.MinTimestamp() + (build.BlockDelaySecs * uint64(h.Height-baseTs.Height()))) - h.Timestamp
return xerrors.Errorf("block was generated too soon (h.ts:%d < base.mints:%d + BLOCK_DELAY:%d * deltaH:%d; diff %d)", h.Timestamp, baseTs.MinTimestamp(), build.BlockDelay, h.Height-baseTs.Height(), diff)
return xerrors.Errorf("block was generated too soon (h.ts:%d < base.mints:%d + BLOCK_DELAY:%d * deltaH:%d; diff %d)", h.Timestamp, baseTs.MinTimestamp(), build.BlockDelaySecs, h.Height-baseTs.Height(), diff)
}
msgsCheck := async.Err(func() error {

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@ -408,7 +408,7 @@ func TestSyncBadTimestamp(t *testing.T) {
base := tu.g.CurTipset
tu.g.Timestamper = func(pts *types.TipSet, tl abi.ChainEpoch) uint64 {
return pts.MinTimestamp() + (build.BlockDelay / 2)
return pts.MinTimestamp() + (build.BlockDelaySecs / 2)
}
fmt.Println("BASE: ", base.Cids())

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@ -11,7 +11,7 @@ import (
type FIL BigInt
func (f FIL) String() string {
r := new(big.Rat).SetFrac(f.Int, big.NewInt(build.FilecoinPrecision))
r := new(big.Rat).SetFrac(f.Int, big.NewInt(int64(build.FilecoinPrecision)))
if r.Sign() == 0 {
return "0"
}
@ -33,7 +33,7 @@ func ParseFIL(s string) (FIL, error) {
return FIL{}, fmt.Errorf("failed to parse %q as a decimal number", s)
}
r = r.Mul(r, big.NewRat(build.FilecoinPrecision, 1))
r = r.Mul(r, big.NewRat(int64(build.FilecoinPrecision), 1))
if !r.IsInt() {
return FIL{}, fmt.Errorf("invalid FIL value: %q", s)
}

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@ -186,7 +186,7 @@ func SyncWait(ctx context.Context, napi api.FullNode) error {
fmt.Printf("\r\x1b[2KWorker %d: Target: %s\tState: %s\tHeight: %d", working, target, chain.SyncStageString(ss.Stage), ss.Height)
if time.Now().Unix()-int64(head.MinTimestamp()) < build.BlockDelay {
if time.Now().Unix()-int64(head.MinTimestamp()) < int64(build.BlockDelaySecs) {
fmt.Println("\nDone!")
return nil
}

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@ -63,7 +63,7 @@ var watchHeadCmd = &cli.Command{
},
&cli.IntFlag{
Name: "interval",
Value: build.BlockDelay,
Value: int(build.BlockDelaySecs),
Usage: "interval in seconds between chain head checks",
},
&cli.StringFlag{
@ -73,7 +73,8 @@ var watchHeadCmd = &cli.Command{
},
&cli.IntFlag{
Name: "api-timeout",
Value: build.BlockDelay,
// TODO: this default value seems spurious.
Value: int(build.BlockDelaySecs),
Usage: "timeout between API retries",
},
&cli.IntFlag{
@ -236,7 +237,7 @@ func waitForSyncComplete(ctx context.Context, a api.FullNode, r int, t time.Dura
return err
}
if time.Now().Unix()-int64(head.MinTimestamp()) < build.BlockDelay {
if time.Now().Unix()-int64(head.MinTimestamp()) < int64(build.BlockDelaySecs) {
return nil
}
}

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@ -124,7 +124,7 @@ var genesisAddMinerCmd = &cli.Command{
log.Infof("Giving %s some initial balance", miner.Owner)
template.Accounts = append(template.Accounts, genesis.Actor{
Type: genesis.TAccount,
Balance: big.Mul(big.NewInt(50_000_000), big.NewInt(build.FilecoinPrecision)),
Balance: big.Mul(big.NewInt(50_000_000), big.NewInt(int64(build.FilecoinPrecision))),
Meta: (&genesis.AccountMeta{Owner: miner.Owner}).ActorMeta(),
})
}

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@ -128,7 +128,7 @@ var infoCmd = &cli.Command{
if expWinChance > 1 {
expWinChance = 1
}
winRate := time.Duration(float64(time.Second*build.BlockDelay) / expWinChance)
winRate := time.Duration(float64(time.Second*time.Duration(build.BlockDelaySecs)) / expWinChance)
winPerDay := float64(time.Hour*24) / float64(winRate)
fmt.Print("Expected block win rate: ")

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@ -123,7 +123,7 @@ var setAskCmd = &cli.Command{
return xerrors.Errorf("cannot parse duration: %w", err)
}
qty := dur.Seconds() / build.BlockDelay
qty := dur.Seconds() / float64(build.BlockDelaySecs)
min, err := units.RAMInBytes(cctx.String("min-piece-size"))
if err != nil {
@ -208,7 +208,7 @@ var getAskCmd = &cli.Command{
dlt := ask.Expiry - head.Height()
rem := "<expired>"
if dlt > 0 {
rem = (time.Second * time.Duration(dlt*build.BlockDelay)).String()
rem = (time.Second * time.Duration(int64(dlt)*int64(build.BlockDelaySecs))).String()
}
fmt.Fprintf(w, "%s\t%s\t%s\t%d\t%s\t%d\n", ask.Price, types.SizeStr(types.NewInt(uint64(ask.MinPieceSize))), types.SizeStr(types.NewInt(uint64(ask.MaxPieceSize))), ask.Expiry, rem, ask.SeqNo)

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@ -211,11 +211,11 @@ var provingInfoCmd = &cli.Command{
func epochTime(curr, e abi.ChainEpoch) string {
switch {
case curr > e:
return fmt.Sprintf("%d (%s ago)", e, time.Second*time.Duration(build.BlockDelay*(curr-e)))
return fmt.Sprintf("%d (%s ago)", e, time.Second*time.Duration(int64(build.BlockDelaySecs)*int64(curr-e)))
case curr == e:
return fmt.Sprintf("%d (now)", e)
case curr < e:
return fmt.Sprintf("%d (in %s)", e, time.Second*time.Duration(build.BlockDelay*(e-curr)))
return fmt.Sprintf("%d (in %s)", e, time.Second*time.Duration(int64(build.BlockDelaySecs)*int64(e-curr)))
}
panic("math broke")

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@ -69,7 +69,7 @@ func init() {
}
// TODO: beacon
uts := head.MinTimestamp() + uint64(build.BlockDelay)
uts := head.MinTimestamp() + uint64(build.BlockDelaySecs)
nheight := head.Height() + 1
blk, err := api.MinerCreateBlock(ctx, &lapi.BlockTemplate{
addr, head.Key(), ticket, &types.ElectionProof{}, nil, msgs, nheight, uts, gen.ValidWpostForTesting,

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@ -43,7 +43,7 @@ Assemble a `FullTipSet` populated with the single block received earlier.
This function contains most of the validation logic grouped in separate closures that run asynchronously, this list does not reflect validation order then.
`V:` Block `Timestamp`:
* Is not bigger than current time plus `AllowableClockDrift`.
* Is not bigger than current time plus `AllowableClockDriftSecs`.
* Is not smaller than previous block's `Timestamp` plus `BlockDelay` (including null blocks).
### Messages

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@ -330,7 +330,7 @@ func (c *ClientNodeAdapter) OnDealSectorCommitted(ctx context.Context, provider
}
}
if err := c.ev.Called(checkFunc, called, revert, build.MessageConfidence+1, build.SealRandomnessLookbackLimit, matchEvent); err != nil {
if err := c.ev.Called(checkFunc, called, revert, int(build.MessageConfidence+1), build.SealRandomnessLookbackLimit, matchEvent); err != nil {
return xerrors.Errorf("failed to set up called handler: %w", err)
}

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@ -321,7 +321,7 @@ func (n *ProviderNodeAdapter) OnDealSectorCommitted(ctx context.Context, provide
}
if err := n.ev.Called(checkFunc, called, revert, build.MessageConfidence+1, build.SealRandomnessLookbackLimit, matchEvent); err != nil {
if err := n.ev.Called(checkFunc, called, revert, int(build.MessageConfidence+1), build.SealRandomnessLookbackLimit, matchEvent); err != nil {
return xerrors.Errorf("failed to set up called handler: %w", err)
}

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@ -42,7 +42,7 @@ func NewMiner(api api.FullNode, epp gen.WinningPoStProver, addr address.Address)
address: addr,
waitFunc: func(ctx context.Context, baseTime uint64) (func(bool), error) {
// Wait around for half the block time in case other parents come in
deadline := baseTime + build.PropagationDelay
deadline := baseTime + build.PropagationDelaySecs
time.Sleep(time.Until(time.Unix(int64(deadline), 0)))
return func(bool) {}, nil
@ -150,7 +150,7 @@ func (m *Miner) mine(ctx context.Context) {
}
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(build.BlockDelay * time.Second)
m.niceSleep(time.Duration(build.BlockDelaySecs) * time.Second)
continue
}
@ -194,7 +194,7 @@ func (m *Miner) mine(ctx context.Context) {
// has enough time to form.
//
// See: https://github.com/filecoin-project/lotus/issues/1845
nextRound := time.Unix(int64(base.TipSet.MinTimestamp()+uint64(build.BlockDelay*base.NullRounds))+int64(build.PropagationDelay), 0)
nextRound := time.Unix(int64(base.TipSet.MinTimestamp()+build.BlockDelaySecs*uint64(base.NullRounds))+int64(build.PropagationDelaySecs), 0)
select {
case <-time.After(time.Until(nextRound)):
@ -255,12 +255,16 @@ func (m *Miner) hasPower(ctx context.Context, addr address.Address, ts *types.Ti
return mpower.MinerPower.QualityAdjPower.GreaterThanEqual(power.ConsensusMinerMinPower), nil
}
// mineOne mines a single block, and does so synchronously, if and only if we
// have won the current round.
// mineOne attempts to mine a single block, and does so synchronously, if and
// only if we are eligible to mine.
//
// {hint/landmark}: This method coordinates all the steps involved in mining a
// block, including the condition of whether mine or not at all depending on
// whether we win the round or not.
//
// This method does the following:
//
// 1.
func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*types.BlockMsg, error) {
log.Debugw("attempting to mine a block", "tipset", types.LogCids(base.TipSet.Cids()))
start := time.Now()
@ -352,7 +356,7 @@ func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*types.BlockMsg,
tCreateBlock := time.Now()
dur := tCreateBlock.Sub(start)
log.Infow("mined new block", "cid", b.Cid(), "height", b.Header.Height, "took", dur)
if dur > time.Second*build.BlockDelay {
if dur > time.Second*time.Duration(build.BlockDelaySecs) {
log.Warn("CAUTION: block production took longer than the block delay. Your computer may not be fast enough to keep up")
log.Warnw("tMinerBaseInfo ", "duration", tMBI.Sub(start))
@ -413,7 +417,7 @@ func (m *Miner) createBlock(base *MiningBase, addr address.Address, ticket *type
msgs = msgs[:build.BlockMessageLimit]
}
uts := base.TipSet.MinTimestamp() + uint64(build.BlockDelay*(base.NullRounds+1))
uts := base.TipSet.MinTimestamp() + build.BlockDelaySecs*(uint64(base.NullRounds)+1)
nheight := base.TipSet.Height() + base.NullRounds + 1

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@ -122,7 +122,7 @@ func (a *CommonAPI) Version(context.Context) (api.Version, error) {
Version: build.UserVersion(),
APIVersion: build.APIVersion,
BlockDelay: build.BlockDelay,
BlockDelay: build.BlockDelaySecs,
}, nil
}

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@ -123,6 +123,6 @@ func RandomBeacon(p RandomBeaconParams, _ dtypes.AfterGenesisSet) (beacon.Random
return nil, err
}
//return beacon.NewMockBeacon(build.BlockDelay * time.Second)
return drand.NewDrandBeacon(gen.Timestamp, build.BlockDelay, p.PubSub, p.DrandConfig)
//return beacon.NewMockBeacon(build.BlockDelaySecs * time.Second)
return drand.NewDrandBeacon(gen.Timestamp, build.BlockDelaySecs, p.PubSub, p.DrandConfig)
}

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@ -8,5 +8,5 @@ import (
)
func RandomBeacon() (beacon.RandomBeacon, error) {
return beacon.NewMockBeacon(build.BlockDelay * time.Second), nil
return beacon.NewMockBeacon(time.Duration(build.BlockDelaySecs) * time.Second), nil
}

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@ -349,7 +349,7 @@ func mockSbBuilder(t *testing.T, nFull int, storage []test.StorageMiner) ([]test
templ := &genesis.Template{
Accounts: genaccs,
Miners: genms,
Timestamp: uint64(time.Now().Unix() - (build.BlockDelay * 20000)),
Timestamp: uint64(time.Now().Unix()) - (build.BlockDelaySecs * 20000),
}
// END PRESEAL SECTION

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@ -114,7 +114,7 @@ sync_complete:
// If we get within 20 blocks of the current exected block height we
// consider sync complete. Block propagation is not always great but we still
// want to be recording stats as soon as we can
if timestampDelta < build.BlockDelay*20 {
if timestampDelta < int64(build.BlockDelaySecs)*20 {
return nil
}
}