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tx.go
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tx.go
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package cli
import (
"encoding/hex"
"fmt"
"github.com/spf13/cobra"
"github.com/spf13/viper"
crypto "github.com/tendermint/go-crypto"
"github.com/cosmos/cosmos-sdk/client/context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/wire"
authcmd "github.com/cosmos/cosmos-sdk/x/auth/client/cli"
"github.com/cosmos/cosmos-sdk/x/stake"
)
// create declare candidacy command
func GetCmdDeclareCandidacy(cdc *wire.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "declare-candidacy",
Short: "create new validator-candidate account and delegate some coins to it",
RunE: func(cmd *cobra.Command, args []string) error {
ctx := context.NewCoreContextFromViper().WithDecoder(authcmd.GetAccountDecoder(cdc))
amount, err := sdk.ParseCoin(viper.GetString(FlagAmount))
if err != nil {
return err
}
candidateAddr, err := sdk.GetAddress(viper.GetString(FlagAddressCandidate))
if err != nil {
return err
}
pkStr := viper.GetString(FlagPubKey)
if len(pkStr) == 0 {
return fmt.Errorf("must use --pubkey flag")
}
pkBytes, err := hex.DecodeString(pkStr)
if err != nil {
return err
}
pk, err := crypto.PubKeyFromBytes(pkBytes)
if err != nil {
return err
}
if viper.GetString(FlagMoniker) == "" {
return fmt.Errorf("please enter a moniker for the validator-candidate using --moniker")
}
description := stake.Description{
Moniker: viper.GetString(FlagMoniker),
Identity: viper.GetString(FlagIdentity),
Website: viper.GetString(FlagWebsite),
Details: viper.GetString(FlagDetails),
}
msg := stake.NewMsgDeclareCandidacy(candidateAddr, pk, amount, description)
// build and sign the transaction, then broadcast to Tendermint
res, err := ctx.EnsureSignBuildBroadcast(ctx.FromAddressName, msg, cdc)
if err != nil {
return err
}
fmt.Printf("Committed at block %d. Hash: %s\n", res.Height, res.Hash.String())
return nil
},
}
cmd.Flags().AddFlagSet(fsPk)
cmd.Flags().AddFlagSet(fsAmount)
cmd.Flags().AddFlagSet(fsDescription)
cmd.Flags().AddFlagSet(fsCandidate)
return cmd
}
// create edit candidacy command
func GetCmdEditCandidacy(cdc *wire.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "edit-candidacy",
Short: "edit and existing validator-candidate account",
RunE: func(cmd *cobra.Command, args []string) error {
candidateAddr, err := sdk.GetAddress(viper.GetString(FlagAddressCandidate))
if err != nil {
return err
}
description := stake.Description{
Moniker: viper.GetString(FlagMoniker),
Identity: viper.GetString(FlagIdentity),
Website: viper.GetString(FlagWebsite),
Details: viper.GetString(FlagDetails),
}
msg := stake.NewMsgEditCandidacy(candidateAddr, description)
// build and sign the transaction, then broadcast to Tendermint
ctx := context.NewCoreContextFromViper().WithDecoder(authcmd.GetAccountDecoder(cdc))
res, err := ctx.EnsureSignBuildBroadcast(ctx.FromAddressName, msg, cdc)
if err != nil {
return err
}
fmt.Printf("Committed at block %d. Hash: %s\n", res.Height, res.Hash.String())
return nil
},
}
cmd.Flags().AddFlagSet(fsDescription)
cmd.Flags().AddFlagSet(fsCandidate)
return cmd
}
// create edit candidacy command
func GetCmdDelegate(cdc *wire.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "delegate",
Short: "delegate coins to an existing validator/candidate",
RunE: func(cmd *cobra.Command, args []string) error {
amount, err := sdk.ParseCoin(viper.GetString(FlagAmount))
if err != nil {
return err
}
delegatorAddr, err := sdk.GetAddress(viper.GetString(FlagAddressDelegator))
candidateAddr, err := sdk.GetAddress(viper.GetString(FlagAddressCandidate))
if err != nil {
return err
}
msg := stake.NewMsgDelegate(delegatorAddr, candidateAddr, amount)
// build and sign the transaction, then broadcast to Tendermint
ctx := context.NewCoreContextFromViper().WithDecoder(authcmd.GetAccountDecoder(cdc))
res, err := ctx.EnsureSignBuildBroadcast(ctx.FromAddressName, msg, cdc)
if err != nil {
return err
}
fmt.Printf("Committed at block %d. Hash: %s\n", res.Height, res.Hash.String())
return nil
},
}
cmd.Flags().AddFlagSet(fsAmount)
cmd.Flags().AddFlagSet(fsDelegator)
cmd.Flags().AddFlagSet(fsCandidate)
return cmd
}
// create edit candidacy command
func GetCmdUnbond(cdc *wire.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "unbond",
Short: "unbond coins from a validator/candidate",
RunE: func(cmd *cobra.Command, args []string) error {
// check the shares before broadcasting
sharesStr := viper.GetString(FlagShares)
var shares sdk.Rat
if sharesStr != "MAX" {
var err error
shares, err = sdk.NewRatFromDecimal(sharesStr)
if err != nil {
return err
}
if !shares.GT(sdk.ZeroRat()) {
return fmt.Errorf("shares must be positive integer or decimal (ex. 123, 1.23456789)")
}
}
delegatorAddr, err := sdk.GetAddress(viper.GetString(FlagAddressDelegator))
candidateAddr, err := sdk.GetAddress(viper.GetString(FlagAddressCandidate))
if err != nil {
return err
}
msg := stake.NewMsgUnbond(delegatorAddr, candidateAddr, sharesStr)
// build and sign the transaction, then broadcast to Tendermint
ctx := context.NewCoreContextFromViper().WithDecoder(authcmd.GetAccountDecoder(cdc))
res, err := ctx.EnsureSignBuildBroadcast(ctx.FromAddressName, msg, cdc)
if err != nil {
return err
}
fmt.Printf("Committed at block %d. Hash: %s\n", res.Height, res.Hash.String())
return nil
},
}
cmd.Flags().AddFlagSet(fsShares)
cmd.Flags().AddFlagSet(fsDelegator)
cmd.Flags().AddFlagSet(fsCandidate)
return cmd
}