lotus/build/params_shared.go

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package build
import (
"math/big"
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"sort"
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"github.com/libp2p/go-libp2p-core/protocol"
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"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"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
)
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func DefaultSectorSize() abi.SectorSize {
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szs := make([]abi.SectorSize, 0, len(miner.SupportedProofTypes))
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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 {
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return szs[i] < szs[j]
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})
return szs[0]
}
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// Core network constants
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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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// /////
// Storage
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const UnixfsChunkSize uint64 = 1 << 20
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const UnixfsLinksPerLevel = 1024
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// /////
// Consensus / Network
// Seconds
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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var BlocksPerEpoch = uint64(builtin.ExpectedLeadersPerEpoch)
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// Epochs
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const Finality = miner.ChainFinalityish
// 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
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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
const TicketRandomnessLookback = 1
const WinningPoStSectorSetLookback = 10
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// /////
// Devnet settings
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const TotalFilecoin = 2_000_000_000
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
func init() {
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InitialRewardBalance = big.NewInt(MiningRewardTotal)
InitialRewardBalance = InitialRewardBalance.Mul(InitialRewardBalance, big.NewInt(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
const BlockMessageLimit = 512
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const BlockGasLimit = 100_000_000
var DrandCoeffs = []string{
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"82c279cce744450e68de98ee08f9698a01dd38f8e3be3c53f2b840fb9d09ad62a0b6b87981e179e1b14bc9a2d284c985",
"82d51308ad346c686f81b8094551597d7b963295cbf313401a93df9baf52d5ae98a87745bee70839a4d6e65c342bd15b",
"94eebfd53f4ba6a3b8304236400a12e73885e5a781509a5c8d41d2e8b476923d8ea6052649b3c17282f596217f96c5de",
"8dc4231e42b4edf39e86ef1579401692480647918275da767d3e558c520d6375ad953530610fd27daf110187877a65d0",
}