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76 lines
2.0 KiB
76 lines
2.0 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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)
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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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testnetV1Epoch = 1
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testnetV2Epoch = 2
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testnetEpochBlock1 = 78
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threeOne = 111
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testnetVdfDifficulty = 10000 // This takes about 20s to finish the vdf
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)
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func (testnetSchedule) InstanceForEpoch(epoch *big.Int) Instance {
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switch {
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case epoch.Cmp(big.NewInt(testnetV2Epoch)) >= 0:
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return testnetV2
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case epoch.Cmp(big.NewInt(testnetV1Epoch)) >= 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 (testnetSchedule) BlocksPerEpoch() uint64 {
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// 8 seconds per block, roughly 86400 blocks, around one day
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return threeOne
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}
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func (ts testnetSchedule) CalcEpochNumber(blockNum uint64) *big.Int {
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blocks := ts.BlocksPerEpoch()
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switch {
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case blockNum >= testnetEpochBlock1:
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return big.NewInt(int64((blockNum-testnetEpochBlock1)/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 (ts testnetSchedule) IsLastBlock(blockNum uint64) bool {
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blocks := ts.BlocksPerEpoch()
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switch {
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case blockNum < testnetEpochBlock1-1:
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return false
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case blockNum == testnetEpochBlock1-1:
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return true
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default:
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return ((blockNum-testnetEpochBlock1)%blocks == blocks-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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// ConsensusRatio ratio of new nodes vs consensus total nodes
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func (ts testnetSchedule) ConsensusRatio() float64 {
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return mainnetConsensusRatio
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}
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var testnetReshardingEpoch = []*big.Int{big.NewInt(0), big.NewInt(testnetV1Epoch), big.NewInt(testnetV2Epoch)}
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var testnetV0 = MustNewInstance(2, 150, 150, genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch)
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var testnetV1 = MustNewInstance(2, 160, 150, genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch)
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var testnetV2 = MustNewInstance(2, 170, 150, genesis.TNHarmonyAccounts, genesis.TNFoundationalAccounts, testnetReshardingEpoch)
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