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147 lines
4.9 KiB
147 lines
4.9 KiB
package shardingconfig
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import (
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"math/big"
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"time"
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"github.com/harmony-one/harmony/common/denominations"
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"github.com/harmony-one/harmony/internal/genesis"
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)
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const (
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mainnetEpochBlock1 = 344064 // 21 * 2^14
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blocksPerShard = 16384 // 2^14
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mainnetVdfDifficulty = 50000 // This takes about 100s to finish the vdf
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mainnetConsensusRatio = float64(0.66)
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mainnetFirstCrossLinkBlock = 524288 // 32 * 2^14
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// TODO: remove it after randomness feature turned on mainnet
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mainnetRandomnessStartingEpoch = 100000
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mainnetV0_1Epoch = 1
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mainnetV0_2Epoch = 5
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mainnetV0_3Epoch = 8
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mainnetV0_4Epoch = 10
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mainnetV1Epoch = 12
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mainnetMaxTxAmountLimit = 1e3 // unit is interface{} One
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mainnetMaxNumRecentTxsPerAccountLimit = 1e2
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mainnetMaxTxPoolSizeLimit = 8000
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mainnetMaxNumTxsPerBlockLimit = 1000
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mainnetRecentTxDuration = time.Hour
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)
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// MainnetSchedule is the mainnet sharding configuration schedule.
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var MainnetSchedule mainnetSchedule
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type mainnetSchedule struct{}
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func (mainnetSchedule) InstanceForEpoch(epoch *big.Int) Instance {
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switch {
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case epoch.Cmp(big.NewInt(mainnetV1Epoch)) >= 0:
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// tenth resharding epoch around 08/16/2019 11:00pm PDT
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return mainnetV1
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case epoch.Cmp(big.NewInt(mainnetV0_4Epoch)) >= 0:
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// tenth resharding epoch around 08/13/2019 9:00pm PDT
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return mainnetV0_4
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case epoch.Cmp(big.NewInt(mainnetV0_3Epoch)) >= 0:
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// eighth resharding epoch around 08/10/2019 6:00pm PDT
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return mainnetV0_3
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case epoch.Cmp(big.NewInt(mainnetV0_2Epoch)) >= 0:
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// fifth resharding epoch around 08/06/2019 2:30am PDT
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return mainnetV0_2
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case epoch.Cmp(big.NewInt(mainnetV0_1Epoch)) >= 0:
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// first resharding epoch around 07/30/2019 10:30pm PDT
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return mainnetV0_1
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default: // genesis
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return mainnetV0
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}
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}
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func (mainnetSchedule) BlocksPerEpoch() uint64 {
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return blocksPerShard
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}
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func (ms mainnetSchedule) CalcEpochNumber(blockNum uint64) *big.Int {
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blocks := ms.BlocksPerEpoch()
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switch {
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case blockNum >= mainnetEpochBlock1:
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return big.NewInt(int64((blockNum-mainnetEpochBlock1)/blocks) + 1)
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default:
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return big.NewInt(0)
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}
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}
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func (ms mainnetSchedule) IsLastBlock(blockNum uint64) bool {
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blocks := ms.BlocksPerEpoch()
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switch {
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case blockNum < mainnetEpochBlock1-1:
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return false
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case blockNum == mainnetEpochBlock1-1:
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return true
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default:
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return ((blockNum-mainnetEpochBlock1)%blocks == blocks-1)
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}
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}
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func (ms mainnetSchedule) VdfDifficulty() int {
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return mainnetVdfDifficulty
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}
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func (ms mainnetSchedule) FirstCrossLinkBlock() uint64 {
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return mainnetFirstCrossLinkBlock
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}
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// ConsensusRatio ratio of new nodes vs consensus total nodes
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func (ms mainnetSchedule) ConsensusRatio() float64 {
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return mainnetConsensusRatio
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}
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// TODO: remove it after randomness feature turned on mainnet
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//RandonnessStartingEpoch returns starting epoch of randonness generation
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func (ms mainnetSchedule) RandomnessStartingEpoch() uint64 {
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return mainnetRandomnessStartingEpoch
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}
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func (ms mainnetSchedule) MaxTxAmountLimit() *big.Int {
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amountBigInt := big.NewInt(mainnetMaxTxAmountLimit)
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amountBigInt = amountBigInt.Mul(amountBigInt, big.NewInt(denominations.One))
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return amountBigInt
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}
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func (ms mainnetSchedule) MaxNumRecentTxsPerAccountLimit() uint64 {
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return mainnetMaxNumRecentTxsPerAccountLimit
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}
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func (ms mainnetSchedule) MaxTxPoolSizeLimit() int {
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return mainnetMaxTxPoolSizeLimit
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}
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func (ms mainnetSchedule) MaxNumTxsPerBlockLimit() int {
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return mainnetMaxNumTxsPerBlockLimit
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}
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func (ms mainnetSchedule) RecentTxDuration() time.Duration {
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return mainnetRecentTxDuration
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}
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func (ms mainnetSchedule) TxsThrottleConfig() *TxsThrottleConfig {
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return &TxsThrottleConfig{
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MaxTxAmountLimit: ms.MaxTxAmountLimit(),
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MaxNumRecentTxsPerAccountLimit: ms.MaxNumRecentTxsPerAccountLimit(),
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MaxTxPoolSizeLimit: ms.MaxTxPoolSizeLimit(),
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MaxNumTxsPerBlockLimit: ms.MaxNumTxsPerBlockLimit(),
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RecentTxDuration: ms.RecentTxDuration(),
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}
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}
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var mainnetReshardingEpoch = []*big.Int{big.NewInt(0), big.NewInt(mainnetV0_1Epoch), big.NewInt(mainnetV0_2Epoch), big.NewInt(mainnetV0_3Epoch), big.NewInt(mainnetV0_4Epoch), big.NewInt(mainnetV1Epoch)}
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var mainnetV0 = MustNewInstance(4, 150, 112, genesis.HarmonyAccounts, genesis.FoundationalNodeAccounts, mainnetReshardingEpoch, MainNet)
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var mainnetV0_1 = MustNewInstance(4, 152, 112, genesis.HarmonyAccounts, genesis.FoundationalNodeAccountsV0_1, mainnetReshardingEpoch, MainNet)
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var mainnetV0_2 = MustNewInstance(4, 200, 148, genesis.HarmonyAccounts, genesis.FoundationalNodeAccountsV0_2, mainnetReshardingEpoch, MainNet)
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var mainnetV0_3 = MustNewInstance(4, 210, 148, genesis.HarmonyAccounts, genesis.FoundationalNodeAccountsV0_3, mainnetReshardingEpoch, MainNet)
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var mainnetV0_4 = MustNewInstance(4, 216, 148, genesis.HarmonyAccounts, genesis.FoundationalNodeAccountsV0_4, mainnetReshardingEpoch, MainNet)
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var mainnetV1 = MustNewInstance(4, 250, 170, genesis.HarmonyAccounts, genesis.FoundationalNodeAccountsV1, mainnetReshardingEpoch, MainNet)
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