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A limited multisend tx command in the Cosmos SDK for the Gaia network.
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| package cli | |
| import ( | |
| "fmt" | |
| "github.com/spf13/cobra" | |
| bankfork "github.com/cosmos/cosmos-sdk/cmd/gaia/app/x/bank" | |
| "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/bank" | |
| ) | |
| var ( | |
| uatomDenom = "uatom" | |
| atomsToUatoms = int64(1000000) | |
| ) | |
| // MultiSendTxCmd creates a (temporary) command to construt a limited MsgMultiSend | |
| // transaction. | |
| func MultiSendTxCmd(cdc *codec.Codec) *cobra.Command { | |
| cmd := &cobra.Command{ | |
| Use: "multisend [recipient-address]", | |
| Short: "Create a (limited) unsigned multi-send tx", | |
| Long: `Create a (limited) unsigned multi-send tx. This command is only | |
| temporary in that it only allows for a limted MsgMultiSend message to be generated. | |
| This command should only be used to construct a MsgMultiSend that has a single | |
| input (the sender account) and two outputs, the burn address and the recipient. | |
| The total of the single input must be 10uatom, where 9uatom gets sent to the | |
| burn address and 1uatom gets sent to the recipient. | |
| e.g. | |
| $ gaiacli tx multisend cosmos1ukumqufn0x8ny7xk6quasus2rak5furuwazyml --from=<from_key_or_address> > unsigned_multisend.json | |
| `, | |
| Args: cobra.ExactArgs(1), | |
| 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 | |
| } | |
| to, err := sdk.AccAddressFromBech32(args[0]) | |
| if err != nil { | |
| return err | |
| } | |
| coins := sdk.Coins{sdk.NewInt64Coin(uatomDenom, 10*atomsToUatoms)} | |
| from := cliCtx.GetFromAddress() | |
| account, err := cliCtx.GetAccount(from) | |
| if err != nil { | |
| return err | |
| } | |
| // ensure account has enough coins | |
| if !account.GetCoins().IsAllGTE(coins) { | |
| return fmt.Errorf("address %s doesn't have enough coins to pay for this transaction", from) | |
| } | |
| input1 := bank.NewInput(from, coins) | |
| output1 := bank.NewOutput(bankfork.BurnedCoinsAccAddr, sdk.Coins{sdk.NewInt64Coin(uatomDenom, 9*atomsToUatoms)}) | |
| output2 := bank.NewOutput(to, sdk.Coins{sdk.NewInt64Coin(uatomDenom, 1*atomsToUatoms)}) | |
| msg := bank.NewMsgMultiSend([]bank.Input{input1}, []bank.Output{output1, output2}) | |
| return utils.PrintUnsignedStdTx(txBldr, cliCtx, []sdk.Msg{msg}, false) | |
| }, | |
| } | |
| return client.PostCommands(cmd)[0] | |
| } |
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