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query.go
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query.go
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// Copyright 2021 Evmos Foundation
// This file is part of Evmos' Ethermint library.
//
// The Ethermint library 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 Ethermint library is 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 Ethermint library. If not, see https://github.com/decimalteam/ethermint/blob/main/LICENSE
package cli
import (
rpctypes "github.com/decimalteam/ethermint/rpc/types"
"github.com/spf13/cobra"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/decimalteam/ethermint/x/evm/types"
)
// GetQueryCmd returns the parent command for all x/bank CLi query commands.
func GetQueryCmd() *cobra.Command {
cmd := &cobra.Command{
Use: types.ModuleName,
Short: "Querying commands for the evm module",
DisableFlagParsing: true,
SuggestionsMinimumDistance: 2,
RunE: client.ValidateCmd,
}
cmd.AddCommand(
GetStorageCmd(),
GetCodeCmd(),
GetParamsCmd(),
)
return cmd
}
// GetStorageCmd queries a key in an accounts storage
func GetStorageCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "storage ADDRESS KEY",
Short: "Gets storage for an account with a given key and height",
Long: "Gets storage for an account with a given key and height. If the height is not provided, it will use the latest height from context.", //nolint:lll
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx, err := client.GetClientQueryContext(cmd)
if err != nil {
return err
}
queryClient := types.NewQueryClient(clientCtx)
address, err := accountToHex(args[0])
if err != nil {
return err
}
key := formatKeyToHash(args[1])
req := &types.QueryStorageRequest{
Address: address,
Key: key,
}
res, err := queryClient.Storage(rpctypes.ContextWithHeight(clientCtx.Height), req)
if err != nil {
return err
}
return clientCtx.PrintProto(res)
},
}
flags.AddQueryFlagsToCmd(cmd)
return cmd
}
// GetCodeCmd queries the code field of a given address
func GetCodeCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "code ADDRESS",
Short: "Gets code from an account",
Long: "Gets code from an account. If the height is not provided, it will use the latest height from context.",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx, err := client.GetClientQueryContext(cmd)
if err != nil {
return err
}
queryClient := types.NewQueryClient(clientCtx)
address, err := accountToHex(args[0])
if err != nil {
return err
}
req := &types.QueryCodeRequest{
Address: address,
}
res, err := queryClient.Code(rpctypes.ContextWithHeight(clientCtx.Height), req)
if err != nil {
return err
}
return clientCtx.PrintProto(res)
},
}
flags.AddQueryFlagsToCmd(cmd)
return cmd
}
// GetParamsCmd queries the fee market params
func GetParamsCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "params",
Short: "Get the evm params",
Long: "Get the evm parameter values.",
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, _ []string) error {
clientCtx, err := client.GetClientQueryContext(cmd)
if err != nil {
return err
}
queryClient := types.NewQueryClient(clientCtx)
res, err := queryClient.Params(cmd.Context(), &types.QueryParamsRequest{})
if err != nil {
return err
}
return clientCtx.PrintProto(res)
},
}
flags.AddQueryFlagsToCmd(cmd)
return cmd
}