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127 lines
4.6 KiB
127 lines
4.6 KiB
package shardingconfig
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import (
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"math/big"
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"github.com/harmony-one/harmony/internal/genesis"
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"github.com/harmony-one/harmony/internal/params"
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"github.com/harmony-one/harmony/numeric"
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)
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// TestnetSchedule is the long-running public testnet sharding
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// configuration schedule.
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var TestnetSchedule testnetSchedule
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type testnetSchedule struct{}
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const (
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// ~304 sec epochs for P2 of open staking
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testnetBlocksPerEpoch = 38
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// 4.5 hours per epoch (given 2s block time)
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testnetBlocksPerEpochV2 = 8192
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testnetVdfDifficulty = 10000 // This takes about 20s to finish the vdf
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// TestNetHTTPPattern is the http pattern for testnet.
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TestNetHTTPPattern = "https://api.s%d.b.hmny.io"
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// TestNetWSPattern is the websocket pattern for testnet.
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TestNetWSPattern = "wss://ws.s%d.b.hmny.io"
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testnetV2Epoch = 6050 // per shard, reduce internal node from 15 to 8, and external nodes from 5 to 22
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)
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func (ts testnetSchedule) InstanceForEpoch(epoch *big.Int) Instance {
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switch {
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case params.TestnetChainConfig.IsSixtyPercent(epoch):
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return testnetV3_1
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case params.TestnetChainConfig.IsTwoSeconds(epoch):
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return testnetV3
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case epoch.Cmp(big.NewInt(testnetV2Epoch)) >= 0:
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return testnetV2
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case epoch.Cmp(params.TestnetChainConfig.StakingEpoch) >= 0:
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return testnetV1
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default: // genesis
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return testnetV0
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}
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}
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func (ts testnetSchedule) BlocksPerEpochOld() uint64 {
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return testnetBlocksPerEpoch
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}
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func (ts testnetSchedule) BlocksPerEpoch() uint64 {
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return testnetBlocksPerEpochV2
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}
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func (ts testnetSchedule) CalcEpochNumber(blockNum uint64) *big.Int {
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firstBlock2s := params.TestnetChainConfig.TwoSecondsEpoch.Uint64() * ts.BlocksPerEpochOld()
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switch {
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case blockNum >= firstBlock2s:
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return big.NewInt(int64((blockNum-firstBlock2s)/ts.BlocksPerEpoch() + params.TestnetChainConfig.TwoSecondsEpoch.Uint64()))
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default: // genesis
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oldEpoch := blockNum / ts.BlocksPerEpochOld()
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return big.NewInt(int64(oldEpoch))
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}
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}
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func (ts testnetSchedule) IsLastBlock(blockNum uint64) bool {
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firstBlock2s := params.TestnetChainConfig.TwoSecondsEpoch.Uint64() * ts.BlocksPerEpochOld()
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switch {
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case blockNum >= firstBlock2s:
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return ((blockNum-firstBlock2s)%ts.BlocksPerEpoch() == ts.BlocksPerEpoch()-1)
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default: // genesis
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return (blockNum+1)%ts.BlocksPerEpochOld() == 0
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}
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}
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func (ts testnetSchedule) EpochLastBlock(epochNum uint64) uint64 {
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firstBlock2s := params.TestnetChainConfig.TwoSecondsEpoch.Uint64() * ts.BlocksPerEpochOld()
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switch {
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case params.TestnetChainConfig.IsTwoSeconds(big.NewInt(int64(epochNum))):
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return firstBlock2s - 1 + ts.BlocksPerEpoch()*(epochNum-params.TestnetChainConfig.TwoSecondsEpoch.Uint64()+1)
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default: // genesis
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return ts.BlocksPerEpochOld()*(epochNum+1) - 1
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}
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}
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func (ts testnetSchedule) VdfDifficulty() int {
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return testnetVdfDifficulty
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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 (ts testnetSchedule) RandomnessStartingEpoch() uint64 {
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return mainnetRandomnessStartingEpoch
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}
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func (ts testnetSchedule) GetNetworkID() NetworkID {
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return TestNet
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}
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// GetShardingStructure is the sharding structure for testnet.
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func (ts testnetSchedule) GetShardingStructure(numShard, shardID int) []map[string]interface{} {
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return genShardingStructure(numShard, shardID, TestNetHTTPPattern, TestNetWSPattern)
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}
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// IsSkippedEpoch returns if an epoch was skipped on shard due to staking epoch
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func (ts testnetSchedule) IsSkippedEpoch(shardID uint32, epoch *big.Int) bool {
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return false
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}
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var testnetReshardingEpoch = []*big.Int{
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big.NewInt(0),
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params.TestnetChainConfig.StakingEpoch,
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params.TestnetChainConfig.TwoSecondsEpoch,
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}
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var testnetV0 = MustNewInstance(4, 16, 15, numeric.OneDec(), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpochOld())
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var testnetV1 = MustNewInstance(4, 20, 15, numeric.MustNewDecFromStr("0.90"), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpochOld())
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var testnetV2 = MustNewInstance(4, 30, 8, numeric.MustNewDecFromStr("0.90"), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpochOld())
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var testnetV3 = MustNewInstance(4, 30, 8, numeric.MustNewDecFromStr("0.90"), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpoch())
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var testnetV3_1 = MustNewInstance(4, 30, 8, numeric.MustNewDecFromStr("0.60"), genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch, TestnetSchedule.BlocksPerEpoch())
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