keys.go

// Copyright 2022 Serv Foundation
// This file is part of the Serv Network packages.
//
// Serv is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Serv packages are distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Serv packages. If not, see https://github.com/twobitedd/serv/blob/main/LICENSE

package types

import (
	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
	"github.com/ethereum/go-ethereum/common"
)

// constants
const (
	// module name
	ModuleName = "erc20"

	// StoreKey to be used when creating the KVStore
	StoreKey = ModuleName

	// RouterKey to be used for message routing
	RouterKey = ModuleName
)

// ModuleAddress is the native module address for EVM
var ModuleAddress common.Address

func init() {
	ModuleAddress = common.BytesToAddress(authtypes.NewModuleAddress(ModuleName).Bytes())
}

// prefix bytes for the EVM persistent store
const (
	prefixTokenPair = iota + 1
	prefixTokenPairByERC20
	prefixTokenPairByDenom
)

// KVStore key prefixes
var (
	KeyPrefixTokenPair        = []byte{prefixTokenPair}
	KeyPrefixTokenPairByERC20 = []byte{prefixTokenPairByERC20}
	KeyPrefixTokenPairByDenom = []byte{prefixTokenPairByDenom}
)