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params.go
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params.go
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package types
import (
"fmt"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
"gopkg.in/yaml.v2"
)
var _ paramtypes.ParamSet = (*Params)(nil)
var (
KeyUnstakeHoldBlocks = []byte("UnstakeHoldBlocks")
DefaultUnstakeHoldBlocks uint64 = 210
)
var (
KeyEpochBlocks = []byte("EpochBlocks")
DefaultEpochBlocks uint64 = 20
)
var (
KeyEpochsToSave = []byte("EpochsToSave")
DefaultEpochsToSave uint64 = 10
)
var (
KeyLatestParamChange = []byte("LatestParamChange")
DefaultLatestParamChange uint64 = 0
)
var (
KeyUnstakeHoldBlocksStatic = []byte("UnstakeHoldBlocksStatic")
DefaultUnstakeHoldBlocksStatic uint64 = 400
)
// ParamKeyTable the param key table for launch module
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new Params instance
func NewParams(
unstakeHoldBlocks uint64,
epochBlocks uint64,
epochsToSave uint64,
latestParamChange uint64,
unstakeHoldBlocksStatic uint64,
) Params {
return Params{
UnstakeHoldBlocks: unstakeHoldBlocks,
EpochBlocks: epochBlocks,
EpochsToSave: epochsToSave,
LatestParamChange: latestParamChange,
UnstakeHoldBlocksStatic: unstakeHoldBlocksStatic,
}
}
// DefaultParams returns a default set of parameters
func DefaultParams() Params {
return NewParams(
DefaultUnstakeHoldBlocks,
DefaultEpochBlocks,
DefaultEpochsToSave,
DefaultLatestParamChange,
DefaultUnstakeHoldBlocksStatic,
)
}
// ParamSetPairs get the params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyUnstakeHoldBlocks, &p.UnstakeHoldBlocks, validateUnstakeHoldBlocks),
paramtypes.NewParamSetPair(KeyEpochBlocks, &p.EpochBlocks, validateEpochBlocks),
paramtypes.NewParamSetPair(KeyEpochsToSave, &p.EpochsToSave, validateEpochsToSave),
paramtypes.NewParamSetPair(KeyLatestParamChange, &p.LatestParamChange, validateLatestParamChange),
paramtypes.NewParamSetPair(KeyUnstakeHoldBlocksStatic, &p.UnstakeHoldBlocksStatic, validateUnstakeHoldBlocksStatic),
}
}
// Validate validates the set of params
func (p Params) Validate() error {
if err := validateUnstakeHoldBlocks(p.UnstakeHoldBlocks); err != nil {
return err
}
if err := validateEpochBlocks(p.EpochBlocks); err != nil {
return err
}
if err := validateEpochsToSave(p.EpochsToSave); err != nil {
return err
}
if err := validateUnstakeHoldBlocksStatic(p.UnstakeHoldBlocksStatic); err != nil {
return err
}
if err := validateBlocksParams(p.UnstakeHoldBlocks, p.UnstakeHoldBlocksStatic, p.EpochBlocks*p.EpochsToSave); err != nil {
return err
}
return nil
}
// String implements the Stringer interface.
func (p Params) String() string {
out, _ := yaml.Marshal(p)
return string(out)
}
// validateUnstakeHoldBlocks validates the UnstakeHoldBlocks param
func validateUnstakeHoldBlocks(v interface{}) error {
unstakeHoldBlocks, ok := v.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
// TODO implement validation
_ = unstakeHoldBlocks
return nil
}
// validateEpochBlocks validates the EpochBlocks param
func validateEpochBlocks(v interface{}) error {
epochBlocks, ok := v.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
if epochBlocks == 0 {
return fmt.Errorf("invalid parameter epochBlocks- cant be 0")
}
// TODO implement validation
_ = epochBlocks
return nil
}
// validateEpochsToSave validates the EpochsToSave param
func validateEpochsToSave(v interface{}) error {
epochsToSave, ok := v.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
// TODO implement validation
_ = epochsToSave
return nil
}
// validateLatestParamChange validates the LatestParamChange param
func validateLatestParamChange(v interface{}) error {
_, ok := v.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
return nil
}
// validateUnstakeHoldBlocks validates the UnstakeHoldBlocks param
func validateUnstakeHoldBlocksStatic(v interface{}) error {
unstakeHoldBlocks, ok := v.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
// TODO implement validation
_ = unstakeHoldBlocks
return nil
}
// validateUnstakeHoldBlocks validates the UnstakeHoldBlocks param
func validateBlocksParams(unstakeHoldBlocks, unstakeHoldBlocksStatic, blocksToSave uint64) error {
if !(unstakeHoldBlocksStatic > unstakeHoldBlocks && unstakeHoldBlocks > blocksToSave) {
return fmt.Errorf("parameters do not follow the rule of: unstakeHoldBlocksStatic > unstakeHoldBlocks > blocksToSave")
}
return nil
}