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) }