100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
package cli
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import (
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"errors"
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"fmt"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/cosmos/cosmos-sdk/client/context"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/wire"
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"github.com/cosmos/cosmos-sdk/x/auth"
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authcmd "github.com/cosmos/cosmos-sdk/x/auth/client/cli"
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"github.com/cosmos/cosmos-sdk/x/bank/client"
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)
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const (
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flagTo = "to"
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flagAmount = "amount"
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flagAsync = "async"
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)
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// SendTxCmd will create a send tx and sign it with the given key
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func SendTxCmd(cdc *wire.Codec) *cobra.Command {
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cmd := &cobra.Command{
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Use: "send",
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Short: "Create and sign a send tx",
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RunE: func(cmd *cobra.Command, args []string) error {
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ctx := context.NewCoreContextFromViper().WithDecoder(authcmd.GetAccountDecoder(cdc))
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// get the from/to address
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from, err := ctx.GetFromAddress()
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if err != nil {
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return err
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}
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fromAcc, err := ctx.QueryStore(auth.AddressStoreKey(from), ctx.AccountStore)
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if err != nil {
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return err
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}
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bech32From := sdk.MustBech32ifyAcc(from)
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// Check if account was found
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if fromAcc == nil {
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return errors.New("No account with address " + bech32From +
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" was found in the state.\nAre you sure there has been a transaction involving it?")
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}
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toStr := viper.GetString(flagTo)
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to, err := sdk.GetAccAddressBech32(toStr)
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if err != nil {
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return err
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}
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// parse coins trying to be sent
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amount := viper.GetString(flagAmount)
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coins, err := sdk.ParseCoins(amount)
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if err != nil {
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return err
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}
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// ensure account has enough coins
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account, err := ctx.Decoder(fromAcc)
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if err != nil {
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return err
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}
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if !account.GetCoins().IsGTE(coins) {
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return errors.New("Address " + bech32From +
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" doesn't have enough coins to pay for this transaction.")
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}
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// build and sign the transaction, then broadcast to Tendermint
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msg := client.BuildMsg(from, to, coins)
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if viper.GetBool(flagAsync) {
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res, err := ctx.EnsureSignBuildBroadcastAsync(ctx.FromAddressName, []sdk.Msg{msg}, cdc)
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if err != nil {
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return err
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}
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fmt.Println("Async tx sent. tx hash: ", res.Hash.String())
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return nil
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}
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res, err := ctx.EnsureSignBuildBroadcast(ctx.FromAddressName, []sdk.Msg{msg}, cdc)
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if err != nil {
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return err
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}
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fmt.Printf("Committed at block %d. Hash: %s\n", res.Height, res.Hash.String())
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return nil
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},
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}
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cmd.Flags().String(flagTo, "", "Address to send coins")
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cmd.Flags().String(flagAmount, "", "Amount of coins to send")
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cmd.Flags().Bool(flagAsync, false, "Pass the async flag to send a tx without waiting for the tx to be included in a block")
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return cmd
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}
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