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minter.go
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minter.go
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package types
import (
sdk "github.com/cosmos/cosmos-sdk/types"
)
// NewMinter returns a new Minter object with the given block
// provisions values.
func NewMinter(dailyProvisions sdk.Dec, lastMintTime int64) Minter {
return Minter{
LastMintTime: lastMintTime,
DailyProvisions: dailyProvisions,
}
}
// InitialMinter returns an initial Minter object.
func InitialMinter() Minter {
return NewMinter(sdk.NewDec(0), 0)
}
// DefaultInitialMinter returns a default initial Minter object for a new chain.
func DefaultInitialMinter() Minter {
return InitialMinter()
}
// Validate validates minter. Returns nil on success, error otherewise.
func (m Minter) Validate() error {
return nil
}
// BlockProvision returns the provisions for a block based on the block
// provisions rate.
func (m Minter) BlockProvision(time int64, params Params) sdk.Coin {
provisionAmt := m.DailyProvisions.Mul(sdk.NewDec(time - m.LastMintTime)).Quo(sdk.NewDec(86400))
return sdk.NewCoin(params.MintDenom, provisionAmt.TruncateInt())
}