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ibctx.go
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/
ibctx.go
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package commands
import (
"encoding/hex"
"fmt"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/builder"
sdk "github.com/cosmos/cosmos-sdk/types"
wire "github.com/cosmos/cosmos-sdk/wire"
"github.com/cosmos/cosmos-sdk/x/ibc"
)
const (
flagTo = "to"
flagAmount = "amount"
flagChain = "chain"
)
func IBCTransferCmd(cdc *wire.Codec) *cobra.Command {
cmdr := sendCommander{cdc}
cmd := &cobra.Command{
Use: "transfer",
RunE: cmdr.sendIBCTransfer,
}
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
}
type sendCommander struct {
cdc *wire.Codec
}
func (c sendCommander) sendIBCTransfer(cmd *cobra.Command, args []string) error {
// get the from address
from, err := builder.GetFromAddress()
if err != nil {
return err
}
// build the message
msg, err := buildMsg(from)
if err != nil {
return err
}
// get password
name := viper.GetString(client.FlagName)
res, err := builder.SignBuildBroadcast(name, msg, c.cdc)
if err != nil {
return err
}
fmt.Printf("Committed at block %d. Hash: %s\n", res.Height, res.Hash.String())
return nil
}
func buildMsg(from sdk.Address) (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.Address(bz)
packet := ibc.NewIBCPacket(from, to, coins, client.FlagChainID,
viper.GetString(flagChain))
msg := ibc.IBCTransferMsg{
IBCPacket: packet,
}
return msg, nil
}