/
keeper.go
72 lines (63 loc) · 2.16 KB
/
keeper.go
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// Copyright 2022 Evmos Foundation
// This file is part of the Evmos Network packages.
//
// Evmos 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 Evmos 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 Evmos packages. If not, see https://github.com/evmos/evmos/blob/main/LICENSE
package keeper
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/settlus/chain/evmos/x/erc20/types"
)
// Keeper of this module maintains collections of erc20.
type Keeper struct {
storeKey storetypes.StoreKey
cdc codec.BinaryCodec
// the address capable of executing a MsgUpdateParams message. Typically, this should be the x/gov module account.
authority sdk.AccAddress
accountKeeper types.AccountKeeper
bankKeeper types.BankKeeper
evmKeeper types.EVMKeeper
stakingKeeper types.StakingKeeper
}
// NewKeeper creates new instances of the erc20 Keeper
func NewKeeper(
storeKey storetypes.StoreKey,
cdc codec.BinaryCodec,
authority sdk.AccAddress,
ak types.AccountKeeper,
bk types.BankKeeper,
evmKeeper types.EVMKeeper,
sk types.StakingKeeper,
) Keeper {
// ensure gov module account is set and is not nil
if err := sdk.VerifyAddressFormat(authority); err != nil {
panic(err)
}
return Keeper{
authority: authority,
storeKey: storeKey,
cdc: cdc,
accountKeeper: ak,
bankKeeper: bk,
evmKeeper: evmKeeper,
stakingKeeper: sk,
}
}
// Logger returns a module-specific logger.
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", fmt.Sprintf("x/%s", types.ModuleName))
}