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query.go
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query.go
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package cli
import (
"context"
"fmt"
"strings"
"github.com/spf13/cobra"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/version"
"github.com/cosmos/cosmos-sdk/x/bank/types"
)
const (
FlagDenom = "denom"
)
// GetQueryCmd returns the parent command for all x/bank CLi query commands. The
// provided clientCtx should have, at a minimum, a verifier, Tendermint RPC client,
// and marshaler set.
func GetQueryCmd() *cobra.Command {
cmd := &cobra.Command{
Use: types.ModuleName,
Short: "Querying commands for the bank module",
DisableFlagParsing: true,
SuggestionsMinimumDistance: 2,
RunE: client.ValidateCmd,
}
cmd.AddCommand(
GetBalancesCmd(),
GetCmdQueryTotalSupply(),
)
return cmd
}
func GetBalancesCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "balances [address]",
Short: "Query for account balances by address",
Long: strings.TrimSpace(
fmt.Sprintf(`Query the total balance of an account or of a specific denomination.
Example:
$ %s query %s balances [address]
$ %s query %s balances [address] --denom=[denom]
`,
version.AppName, types.ModuleName, version.AppName, types.ModuleName,
),
),
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx, err := client.GetClientQueryContext(cmd)
if err != nil {
return err
}
denom, err := cmd.Flags().GetString(FlagDenom)
if err != nil {
return err
}
queryClient := types.NewQueryClient(clientCtx)
addr, err := sdk.AccAddressFromBech32(args[0])
if err != nil {
return err
}
pageReq, err := client.ReadPageRequest(cmd.Flags())
if err != nil {
return err
}
if denom == "" {
params := types.NewQueryAllBalancesRequest(addr, pageReq)
res, err := queryClient.AllBalances(context.Background(), params)
if err != nil {
return err
}
return clientCtx.PrintProto(res)
}
params := types.NewQueryBalanceRequest(addr, denom)
res, err := queryClient.Balance(context.Background(), params)
if err != nil {
return err
}
return clientCtx.PrintProto(res.Balance)
},
}
cmd.Flags().String(FlagDenom, "", "The specific balance denomination to query for")
flags.AddQueryFlagsToCmd(cmd)
flags.AddPaginationFlagsToCmd(cmd, "all balances")
return cmd
}
func GetCmdQueryTotalSupply() *cobra.Command {
cmd := &cobra.Command{
Use: "total",
Short: "Query the total supply of coins of the chain",
Long: strings.TrimSpace(
fmt.Sprintf(`Query total supply of coins that are held by accounts in the chain.
Example:
$ %s query %s total
To query for the total supply of a specific coin denomination use:
$ %s query %s total --denom=[denom]
`,
version.AppName, types.ModuleName, version.AppName, types.ModuleName,
),
),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx, err := client.GetClientQueryContext(cmd)
if err != nil {
return err
}
denom, err := cmd.Flags().GetString(FlagDenom)
if err != nil {
return err
}
queryClient := types.NewQueryClient(clientCtx)
if denom == "" {
res, err := queryClient.TotalSupply(context.Background(), &types.QueryTotalSupplyRequest{})
if err != nil {
return err
}
return clientCtx.PrintProto(res)
}
res, err := queryClient.SupplyOf(context.Background(), &types.QuerySupplyOfRequest{Denom: denom})
if err != nil {
return err
}
return clientCtx.PrintProto(&res.Amount)
},
}
cmd.Flags().String(FlagDenom, "", "The specific balance denomination to query for")
flags.AddQueryFlagsToCmd(cmd)
return cmd
}