forked from evmos/ethermint
/
coin.go
48 lines (38 loc) · 1.8 KB
/
coin.go
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package types
import (
"math/big"
sdkmath "cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
)
const (
// AttoENTGL 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.
AttoENTGL string = "aENTGL"
// BaseDenomUnit defines the base denomination unit for ENTGLs.
// 1 ENTGL = 1x10^{BaseDenomUnit} aENTGL
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))
// NewENTGLCoin is a utility function that returns an "aENTGL" coin with the given sdkmath.Int amount.
// The function will panic if the provided amount is negative.
func NewENTGLCoin(amount sdkmath.Int) sdk.Coin {
return sdk.NewCoin(AttoENTGL, amount)
}
// NewENTGLDecCoin is a utility function that returns an "aENTGL" decimal coin with the given sdkmath.Int amount.
// The function will panic if the provided amount is negative.
func NewENTGLDecCoin(amount sdkmath.Int) sdk.DecCoin {
return sdk.NewDecCoin(AttoENTGL, amount)
}
// NewENTGLCoinInt64 is a utility function that returns an "aENTGL" coin with the given int64 amount.
// The function will panic if the provided amount is negative.
func NewENTGLCoinInt64(amount int64) sdk.Coin {
return sdk.NewInt64Coin(AttoENTGL, amount)
}