108 lines
2.5 KiB
Go
108 lines
2.5 KiB
Go
package build
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import (
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"math/big"
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"github.com/libp2p/go-libp2p-core/protocol"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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)
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// Core network constants
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func BlocksTopic(netName dtypes.NetworkName) string { return "/fil/blocks/" + string(netName) }
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func MessagesTopic(netName dtypes.NetworkName) string { return "/fil/msgs/" + string(netName) }
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func DhtProtocolName(netName dtypes.NetworkName) protocol.ID {
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return protocol.ID("/fil/kad/" + string(netName))
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}
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// /////
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// Storage
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const UnixfsChunkSize uint64 = 1 << 20
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const UnixfsLinksPerLevel = 1024
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const SectorChallengeRatioDiv = 25
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// /////
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// Payments
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// Epochs
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const PaymentChannelClosingDelay = 6 * 60 * 60 / BlockDelay // six hours
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// /////
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// Consensus / Network
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// Seconds
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const AllowableClockDrift = 1
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// Epochs
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const ForkLengthThreshold = Finality
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// Blocks (e)
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const BlocksPerEpoch = 5
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// Epochs
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const Finality = 500
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// constants for Weight calculation
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// The ratio of weight contributed by short-term vs long-term factors in a given round
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const WRatioNum = int64(1)
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const WRatioDen = 2
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// /////
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// Proofs
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// Epochs
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const FallbackPoStConfidence = 6
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// Epochs
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const SealRandomnessLookback = Finality
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// Epochs
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const SealRandomnessLookbackLimit = SealRandomnessLookback + 2000 // TODO: Get from spec specs-actors
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// Maximum lookback that randomness can be sourced from for a seal proof submission
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const MaxSealLookback = SealRandomnessLookbackLimit + 2000 // TODO: Get from specs-actors
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// /////
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// Mining
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// Epochs
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const TicketRandomnessLookback = 1
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// /////
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// Devnet settings
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const TotalFilecoin = 2_000_000_000
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const MiningRewardTotal = 1_400_000_000
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const FilecoinPrecision = 1_000_000_000_000_000_000
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var InitialRewardBalance *big.Int
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// TODO: Move other important consts here
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func init() {
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InitialRewardBalance = big.NewInt(MiningRewardTotal)
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InitialRewardBalance = InitialRewardBalance.Mul(InitialRewardBalance, big.NewInt(FilecoinPrecision))
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}
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// Sync
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const BadBlockCacheSize = 1 << 15
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// assuming 4000 messages per round, this lets us not lose any messages across a
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// 10 block reorg.
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const BlsSignatureCacheSize = 40000
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// ///////
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// Limits
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const BlockMessageLimit = 512
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var DrandCoeffs = []string{
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"a2a34cf9a6be2f66b5385caa520364f994ae7dbac08371ffaca575dfb3e04c8e149b32dc78f077322c613a151dc07440",
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"b0c5baca062191f13099229c9a229a9946204f74fc28baa212745243553ab1f50b581b2086e24374ceb40fe34bd23ca2",
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"a9c6449cf647e0a0ffaf1e01277e2821213c80310165990daf77610208abfa0ce56c7e40995e26aff3873c624362ca78",
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}
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