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54 lines
1.3 KiB
54 lines
1.3 KiB
package shardingconfig
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import (
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"math/big"
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)
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const (
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// VLBPE is a Very Large Block Per Epoch
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VLBPE = 1000000000000
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)
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type fixedSchedule struct {
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instance Instance
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}
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// InstanceForEpoch returns the fixed sharding configuration instance regardless
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// the given epoch.
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func (s fixedSchedule) InstanceForEpoch(epoch *big.Int) Instance {
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return s.instance
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}
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func (s fixedSchedule) BlocksPerEpoch() uint64 {
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return VLBPE
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}
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func (s fixedSchedule) CalcEpochNumber(blockNum uint64) *big.Int {
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return big.NewInt(int64(blockNum / s.BlocksPerEpoch()))
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}
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func (s fixedSchedule) IsLastBlock(blockNum uint64) bool {
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blocks := s.BlocksPerEpoch()
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return blockNum%blocks == blocks-1
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}
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func (s fixedSchedule) VdfDifficulty() int {
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return mainnetVdfDifficulty
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}
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// ConsensusRatio ratio of new nodes vs consensus total nodes
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func (s fixedSchedule) 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 (s fixedSchedule) RandomnessStartingEpoch() uint64 {
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return mainnetRandomnessStartingEpoch
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}
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// NewFixedSchedule returns a sharding configuration schedule that uses the
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// given config instance for all epochs. Useful for testing.
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func NewFixedSchedule(instance Instance) Schedule {
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return fixedSchedule{instance: instance}
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}
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