lotus/build/params_shared_vals.go

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// +build !testground
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package build
import (
"math/big"
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"github.com/filecoin-project/go-state-types/network"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/filecoin-project/specs-actors/actors/builtin/miner"
)
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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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// /////
// Consensus / Network
const AllowableClockDriftSecs = uint64(1)
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const NewestNetworkVersion = network.Version2
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// Epochs
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const ForkLengthThreshold = Finality
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// Blocks (e)
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var BlocksPerEpoch = uint64(builtin.ExpectedLeadersPerEpoch)
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// Epochs
const Finality = miner.ChainFinality
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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)
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const WRatioDen = uint64(2)
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// /////
// Proofs
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// Epochs
const SealRandomnessLookback = Finality
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// Epochs
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
const MaxSealLookback = SealRandomnessLookbackLimit + 2000 // TODO: Get from specs-actors
// /////
// Mining
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// Epochs
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const TicketRandomnessLookback = abi.ChainEpoch(1)
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const WinningPoStSectorSetLookback = abi.ChainEpoch(10)
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// /////
// Devnet settings
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const FilBase = uint64(2_000_000_000)
const FilAllocStorageMining = uint64(1_100_000_000)
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const FilecoinPrecision = uint64(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
func init() {
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InitialRewardBalance = big.NewInt(int64(FilAllocStorageMining))
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InitialRewardBalance = InitialRewardBalance.Mul(InitialRewardBalance, big.NewInt(int64(FilecoinPrecision)))
}
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// Sync
const BadBlockCacheSize = 1 << 15
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// assuming 4000 messages per round, this lets us not lose any messages across a
// 10 block reorg.
const BlsSignatureCacheSize = 40000
// Size of signature verification cache
// 32k keeps the cache around 10MB in size, max
const VerifSigCacheSize = 32000
// ///////
// Limits
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// TODO: If this is gonna stay, it should move to specs-actors
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const BlockMessageLimit = 10000
const BlockGasLimit = 10_000_000_000
const BlockGasTarget = BlockGasLimit / 2
const BaseFeeMaxChangeDenom = 8 // 12.5%
const InitialBaseFee = 100e6
const MinimumBaseFee = 100
const PackingEfficiencyNum = 4
const PackingEfficiencyDenom = 5
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// Actor consts
// TODO: Pull from actors when its made not private
var MinDealDuration = abi.ChainEpoch(180 * builtin.EpochsInDay)