124 lines
3.0 KiB
Go
124 lines
3.0 KiB
Go
package build
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import (
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"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"
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"github.com/filecoin-project/specs-actors/actors/builtin"
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"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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)
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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 {
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ss, err := spt.SectorSize()
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if err != nil {
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panic(err)
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}
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szs = append(szs, ss)
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}
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sort.Slice(szs, func(i, j int) bool {
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return szs[i] < szs[j]
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})
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return szs[0]
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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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// /////
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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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var BlocksPerEpoch = uint64(builtin.ExpectedLeadersPerEpoch)
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// Epochs
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const Finality = miner.ChainFinalityish
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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 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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const WinningPoStSectorSetLookback = 10
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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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// Size of signature verification cache
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// 32k keeps the cache around 10MB in size, max
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const VerifSigCacheSize = 32000
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// ///////
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// Limits
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// TODO: If this is gonna stay, it should move to specs-actors
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const BlockMessageLimit = 512
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const BlockGasLimit = 100_000_000_000
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var DrandChain = `{"public_key":"922a2e93828ff83345bae533f5172669a26c02dc76d6bf59c80892e12ab1455c229211886f35bb56af6d5bea981024df","period":25,"genesis_time":1590445175,"hash":"138a324aa6540f93d0dad002aa89454b1bec2b6e948682cde6bd4db40f4b7c9b"}`
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