laconicd/types/coin.go

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package types
import (
"math/big"
sdk "github.com/cosmos/cosmos-sdk/types"
)
const (
// AttoPhoton defines the default coin denomination used in Ethermint in:
//
// - Staking parameters: denomination used as stake in the dPoS chain
// - Mint parameters: denomination minted due to fee distribution rewards
// - Governance parameters: denomination used for spam prevention in proposal deposits
// - Crisis parameters: constant fee denomination used for spam prevention to check broken invariant
// - EVM parameters: denomination used for running EVM state transitions in Ethermint.
AttoPhoton string = "aphoton"
// BaseDenomUnit defines the base denomination unit for Photons.
// 1 photon = 1x10^{BaseDenomUnit} aphoton
BaseDenomUnit = 18
)
var (
// PowerReduction defines the default power reduction value for staking
PowerReduction = sdk.NewIntFromBigInt(new(big.Int).Exp(big.NewInt(10), big.NewInt(BaseDenomUnit), nil))
)
// NewPhotonCoin is a utility function that returns an "aphoton" coin with the given sdk.Int amount.
// The function will panic if the provided amount is negative.
func NewPhotonCoin(amount sdk.Int) sdk.Coin {
return sdk.NewCoin(AttoPhoton, amount)
}
// NewPhotonDecCoin is a utility function that returns an "aphoton" decimal coin with the given sdk.Int amount.
// The function will panic if the provided amount is negative.
func NewPhotonDecCoin(amount sdk.Int) sdk.DecCoin {
return sdk.NewDecCoin(AttoPhoton, amount)
}
// NewPhotonCoinInt64 is a utility function that returns an "aphoton" coin with the given int64 amount.
// The function will panic if the provided amount is negative.
func NewPhotonCoinInt64(amount int64) sdk.Coin {
return sdk.NewInt64Coin(AttoPhoton, amount)
}