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ibctx.go
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/
ibctx.go
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package cli
import (
"encoding/hex"
"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"
"github.com/cosmos/cosmos-sdk/x/ibc"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
const (
flagTo = "to"
flagAmount = "amount"
flagChain = "chain"
)
// IBCTransferCmd implements the IBC transfer command.
func IBCTransferCmd(cdc *codec.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "transfer",
RunE: func(cmd *cobra.Command, args []string) error {
txBldr := authtxb.NewTxBuilderFromCLI().WithTxEncoder(utils.GetTxEncoder(cdc))
cliCtx := context.NewCLIContext().
WithCodec(cdc).
WithAccountDecoder(cdc)
from := cliCtx.GetFromAddress()
msg, err := buildMsg(from)
if err != nil {
return err
}
return utils.GenerateOrBroadcastMsgs(cliCtx, txBldr, []sdk.Msg{msg}, false)
},
}
cmd.Flags().String(flagTo, "", "Address to send coins")
cmd.Flags().String(flagAmount, "", "Amount of coins to send")
cmd.Flags().String(flagChain, "", "Destination chain to send coins")
return cmd
}
func buildMsg(from sdk.AccAddress) (sdk.Msg, error) {
amount := viper.GetString(flagAmount)
coins, err := sdk.ParseCoins(amount)
if err != nil {
return nil, err
}
dest := viper.GetString(flagTo)
bz, err := hex.DecodeString(dest)
if err != nil {
return nil, err
}
to := sdk.AccAddress(bz)
packet := ibc.NewIBCPacket(from, to, coins, viper.GetString(client.FlagChainID),
viper.GetString(flagChain))
msg := ibc.MsgIBCTransfer{
IBCPacket: packet,
}
return msg, nil
}