forked from cosmos/cosmos-sdk
/
sendtx.go
84 lines (68 loc) · 2.11 KB
/
sendtx.go
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package cli
import (
"os"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/context"
"github.com/cosmos/cosmos-sdk/client/utils"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
authtxb "github.com/cosmos/cosmos-sdk/x/auth/client/txbuilder"
bankClient "github.com/cosmos/cosmos-sdk/x/bank/client"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
const (
flagTo = "to"
flagAmount = "amount"
)
// SendTxCmd will create a send tx and sign it with the given key.
func SendTxCmd(cdc *codec.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "send",
Short: "Create and sign a send tx",
RunE: func(cmd *cobra.Command, args []string) error {
txBldr := authtxb.NewTxBuilderFromCLI().WithTxEncoder(utils.GetTxEncoder(cdc))
cliCtx := context.NewCLIContext().
WithCodec(cdc).
WithAccountDecoder(cdc)
if err := cliCtx.EnsureAccountExists(); err != nil {
return err
}
toStr := viper.GetString(flagTo)
to, err := sdk.AccAddressFromBech32(toStr)
if err != nil {
return err
}
// parse coins trying to be sent
amount := viper.GetString(flagAmount)
coins, err := sdk.ParseCoins(amount)
if err != nil {
return err
}
from, err := cliCtx.GetFromAddress()
if err != nil {
return err
}
account, err := cliCtx.GetAccount(from)
if err != nil {
return err
}
// ensure account has enough coins
if !account.GetCoins().IsAllGTE(coins) {
return errors.Errorf("Address %s doesn't have enough coins to pay for this transaction.", from)
}
// build and sign the transaction, then broadcast to Tendermint
msg := bankClient.CreateMsg(from, to, coins)
if cliCtx.GenerateOnly {
return utils.PrintUnsignedStdTx(os.Stdout, txBldr, cliCtx, []sdk.Msg{msg}, false)
}
return utils.CompleteAndBroadcastTxCli(txBldr, cliCtx, []sdk.Msg{msg})
},
}
cmd.Flags().String(flagTo, "", "Address to send coins")
cmd.Flags().String(flagAmount, "", "Amount of coins to send")
cmd.MarkFlagRequired(flagTo)
cmd.MarkFlagRequired(flagAmount)
return client.PostCommands(cmd)[0]
}