/
minter.go
70 lines (57 loc) · 1.28 KB
/
minter.go
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package types
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"time"
)
type Minter struct {
PreviousMintTime time.Time `json:"previous_mint_time" yaml:"previous_mint_time"`
Leftover sdk.Dec `json:"leftover" yaml:"leftover"`
}
func NewMinter(previousMintTime time.Time, leftover sdk.Dec) Minter {
return Minter{
PreviousMintTime: previousMintTime,
Leftover: leftover,
}
}
func InitialMinter(previousMintTime time.Time, leftover sdk.Dec) Minter {
return NewMinter(
previousMintTime,
leftover,
)
}
func DefaultInitialMinter() Minter {
return InitialMinter(
time.Time{},
sdk.ZeroDec(),
)
}
func (m Minter) Validate() error {
if err := validatePreviousMintTime(m.PreviousMintTime); err != nil {
return err
}
if err := validateLeftover(m.Leftover); err != nil {
return err
}
return nil
}
func validatePreviousMintTime(i interface{}) error {
v, ok := i.(time.Time)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.After(time.Now()) {
return fmt.Errorf("Previous mint time must be in the past")
}
return nil
}
func validateLeftover(i interface{}) error {
v, ok := i.(sdk.Dec)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNegative() {
return fmt.Errorf("leftover must be positive: %s", v)
}
return nil
}