49 lines
1.8 KiB
Go
49 lines
1.8 KiB
Go
package types
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
sdkmath "cosmossdk.io/math"
|
|
|
|
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
|
|
|
|
// DefaultGasPrice is default gas price for evm transactions
|
|
DefaultGasPrice = 20
|
|
)
|
|
|
|
// PowerReduction defines the default power reduction value for staking
|
|
var PowerReduction = sdkmath.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 sdkmath.Int amount.
|
|
// The function will panic if the provided amount is negative.
|
|
func NewPhotonCoin(amount sdkmath.Int) sdk.Coin {
|
|
return sdk.NewCoin(AttoPhoton, amount)
|
|
}
|
|
|
|
// NewPhotonDecCoin is a utility function that returns an "aphoton" decimal coin with the given sdkmath.Int amount.
|
|
// The function will panic if the provided amount is negative.
|
|
func NewPhotonDecCoin(amount sdkmath.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)
|
|
}
|