81 lines
2.6 KiB
Go
81 lines
2.6 KiB
Go
package types
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import (
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"bytes"
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"fmt"
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"time"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/wire"
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)
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// defaultUnbondingTime reflects three weeks in seconds as the default
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// unbonding time.
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const defaultUnbondingTime time.Duration = 60 * 60 * 24 * 3 * time.Second
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// Params defines the high level settings for staking
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type Params struct {
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InflationRateChange sdk.Dec `json:"inflation_rate_change"` // maximum annual change in inflation rate
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InflationMax sdk.Dec `json:"inflation_max"` // maximum inflation rate
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InflationMin sdk.Dec `json:"inflation_min"` // minimum inflation rate
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GoalBonded sdk.Dec `json:"goal_bonded"` // Goal of percent bonded atoms
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UnbondingTime time.Duration `json:"unbonding_time"`
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MaxValidators uint16 `json:"max_validators"` // maximum number of validators
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BondDenom string `json:"bond_denom"` // bondable coin denomination
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}
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// Equal returns a boolean determining if two Param types are identical.
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func (p Params) Equal(p2 Params) bool {
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bz1 := MsgCdc.MustMarshalBinary(&p)
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bz2 := MsgCdc.MustMarshalBinary(&p2)
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return bytes.Equal(bz1, bz2)
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}
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// DefaultParams returns a default set of parameters.
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func DefaultParams() Params {
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return Params{
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InflationRateChange: sdk.NewDecWithPrec(13, 2),
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InflationMax: sdk.NewDecWithPrec(20, 2),
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InflationMin: sdk.NewDecWithPrec(7, 2),
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GoalBonded: sdk.NewDecWithPrec(67, 2),
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UnbondingTime: defaultUnbondingTime,
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MaxValidators: 100,
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BondDenom: "steak",
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}
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}
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// HumanReadableString returns a human readable string representation of the
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// parameters.
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func (p Params) HumanReadableString() string {
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resp := "Pool \n"
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resp += fmt.Sprintf("Maximum Annual Inflation Rate Change: %s\n", p.InflationRateChange)
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resp += fmt.Sprintf("Max Inflation Rate: %s\n", p.InflationMax)
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resp += fmt.Sprintf("Min Inflation Tate: %s\n", p.InflationMin)
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resp += fmt.Sprintf("Bonded Token Goal (%s): %s\n", "s", p.GoalBonded)
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resp += fmt.Sprintf("Unbonding Time: %s\n", p.UnbondingTime)
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resp += fmt.Sprintf("Max Validators: %d: \n", p.MaxValidators)
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resp += fmt.Sprintf("Bonded Coin Denomination: %s\n", p.BondDenom)
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return resp
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}
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// unmarshal the current staking params value from store key or panic
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func MustUnmarshalParams(cdc *wire.Codec, value []byte) Params {
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params, err := UnmarshalParams(cdc, value)
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if err != nil {
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panic(err)
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}
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return params
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}
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// unmarshal the current staking params value from store key
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func UnmarshalParams(cdc *wire.Codec, value []byte) (params Params, err error) {
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err = cdc.UnmarshalBinary(value, ¶ms)
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if err != nil {
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return
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}
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return
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}
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