/
genesis.go
68 lines (61 loc) · 1.77 KB
/
genesis.go
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package types
import (
"errors"
"time"
)
// DefaultIndex is the default capability global index.
const DefaultIndex uint64 = 1
func NewGenesisState(epochs []EpochInfo) *GenesisState {
return &GenesisState{Epochs: epochs}
}
// DefaultGenesis returns the default Capability genesis state.
func DefaultGenesis() *GenesisState {
epochs := []EpochInfo{
NewGenesisEpochInfo("day", time.Hour*24), // alphabetical order
NewGenesisEpochInfo("hour", time.Hour),
NewGenesisEpochInfo("week", time.Hour*24*7),
}
return NewGenesisState(epochs)
}
// Validate performs basic genesis state validation returning an error upon any
// failure.
func (gs GenesisState) Validate() error {
epochIdentifiers := map[string]bool{}
for _, epoch := range gs.Epochs {
if err := epoch.Validate(); err != nil {
return err
}
if epochIdentifiers[epoch.Identifier] {
return errors.New("epoch identifier should be unique")
}
epochIdentifiers[epoch.Identifier] = true
}
return nil
}
// Validate also validates epoch info.
func (epoch EpochInfo) Validate() error {
if epoch.Identifier == "" {
return errors.New("epoch identifier should NOT be empty")
}
if epoch.Duration == 0 {
return errors.New("epoch duration should NOT be 0")
}
if epoch.CurrentEpoch < 0 {
return errors.New("epoch CurrentEpoch must be non-negative")
}
if epoch.CurrentEpochStartHeight < 0 {
return errors.New("epoch CurrentEpoch must be non-negative")
}
return nil
}
func NewGenesisEpochInfo(identifier string, duration time.Duration) EpochInfo {
return EpochInfo{
Identifier: identifier,
StartTime: time.Time{},
Duration: duration,
CurrentEpoch: 0,
CurrentEpochStartHeight: 0,
CurrentEpochStartTime: time.Time{},
EpochCountingStarted: false,
}
}