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tx.go
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tx.go
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package cli
import (
"fmt"
"os"
"strconv"
"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/gov"
"github.com/pkg/errors"
"encoding/json"
"io/ioutil"
"strings"
govClientUtils "github.com/cosmos/cosmos-sdk/x/gov/client/utils"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
const (
flagTitle = "title"
flagDescription = "description"
flagProposalType = "type"
flagDeposit = "deposit"
flagVoter = "voter"
flagOption = "option"
flagDepositor = "depositor"
flagStatus = "status"
flagNumLimit = "limit"
flagProposal = "proposal"
)
type proposal struct {
Title string
Description string
Type string
Deposit string
}
var proposalFlags = []string{
flagTitle,
flagDescription,
flagProposalType,
flagDeposit,
}
// GetCmdSubmitProposal implements submitting a proposal transaction command.
func GetCmdSubmitProposal(cdc *codec.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "submit-proposal",
Short: "Submit a proposal along with an initial deposit",
Long: strings.TrimSpace(`
Submit a proposal along with an initial deposit. Proposal title, description, type and deposit can be given directly or through a proposal JSON file. For example:
$ gaiacli gov submit-proposal --proposal="path/to/proposal.json" --from mykey
where proposal.json contains:
{
"title": "Test Proposal",
"description": "My awesome proposal",
"type": "Text",
"deposit": "10test"
}
is equivalent to
$ gaiacli gov submit-proposal --title="Test Proposal" --description="My awesome proposal" --type="Text" --deposit="10test" --from mykey
`),
RunE: func(cmd *cobra.Command, args []string) error {
proposal, err := parseSubmitProposalFlags()
if err != nil {
return err
}
txBldr := authtxb.NewTxBuilderFromCLI().WithCodec(cdc)
cliCtx := context.NewCLIContext().
WithCodec(cdc).
WithAccountDecoder(cdc)
// Get from address
from, err := cliCtx.GetFromAddress()
if err != nil {
return err
}
// Pull associated account
account, err := cliCtx.GetAccount(from)
if err != nil {
return err
}
// Find deposit amount
amount, err := sdk.ParseCoins(proposal.Deposit)
if err != nil {
return err
}
// ensure account has enough coins
if !account.GetCoins().IsAllGTE(amount) {
return errors.Errorf("Address %s doesn't have enough coins to pay for this transaction.", from)
}
proposalType, err := gov.ProposalTypeFromString(proposal.Type)
if err != nil {
return err
}
msg := gov.NewMsgSubmitProposal(proposal.Title, proposal.Description, proposalType, from, amount)
err = msg.ValidateBasic()
if err != nil {
return err
}
if cliCtx.GenerateOnly {
return utils.PrintUnsignedStdTx(os.Stdout, txBldr, cliCtx, []sdk.Msg{msg}, false)
}
// Build and sign the transaction, then broadcast to Tendermint
// proposalID must be returned, and it is a part of response.
cliCtx.PrintResponse = true
return utils.CompleteAndBroadcastTxCli(txBldr, cliCtx, []sdk.Msg{msg})
},
}
cmd.Flags().String(flagTitle, "", "title of proposal")
cmd.Flags().String(flagDescription, "", "description of proposal")
cmd.Flags().String(flagProposalType, "", "proposalType of proposal, types: text/parameter_change/software_upgrade")
cmd.Flags().String(flagDeposit, "", "deposit of proposal")
cmd.Flags().String(flagProposal, "", "proposal file path (if this path is given, other proposal flags are ignored)")
return cmd
}
func parseSubmitProposalFlags() (*proposal, error) {
proposal := &proposal{}
proposalFile := viper.GetString(flagProposal)
if proposalFile == "" {
proposal.Title = viper.GetString(flagTitle)
proposal.Description = viper.GetString(flagDescription)
proposal.Type = govClientUtils.NormalizeProposalType(viper.GetString(flagProposalType))
proposal.Deposit = viper.GetString(flagDeposit)
return proposal, nil
}
for _, flag := range proposalFlags {
if viper.GetString(flag) != "" {
return nil, fmt.Errorf("--%s flag provided alongside --proposal, which is a noop", flag)
}
}
contents, err := ioutil.ReadFile(proposalFile)
if err != nil {
return nil, err
}
err = json.Unmarshal(contents, proposal)
if err != nil {
return nil, err
}
return proposal, nil
}
// GetCmdDeposit implements depositing tokens for an active proposal.
func GetCmdDeposit(queryRoute string, cdc *codec.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "deposit [proposal-id] [deposit]",
Args: cobra.ExactArgs(2),
Short: "Deposit tokens for activing proposal",
Long: strings.TrimSpace(`
Submit a deposit for an acive proposal. You can find the proposal-id by running gaiacli query gov proposals:
$ gaiacli tx gov deposit 1 10STAKE --from mykey
`),
RunE: func(cmd *cobra.Command, args []string) error {
txBldr := authtxb.NewTxBuilderFromCLI().WithCodec(cdc)
cliCtx := context.NewCLIContext().
WithCodec(cdc).
WithAccountDecoder(cdc)
// validate that the proposal id is a uint
proposalID, err := strconv.ParseUint(args[0], 10, 64)
if err != nil {
return fmt.Errorf("proposal-id %s not a valid uint, please input a valid proposal-id", args[0])
}
// check to see if the proposal is in the store
_, err = queryProposal(proposalID, cliCtx, cdc, queryRoute)
if err != nil {
return fmt.Errorf("Failed to fetch proposal-id %d: %s", proposalID, err)
}
// Get from address
from, err := cliCtx.GetFromAddress()
if err != nil {
return err
}
// Fetch associated account
account, err := cliCtx.GetAccount(from)
if err != nil {
return err
}
// Get amount of coins
amount, err := sdk.ParseCoins(args[1])
if err != nil {
return err
}
// ensure account has enough coins
if !account.GetCoins().IsAllGTE(amount) {
return errors.Errorf("Address %s doesn't have enough coins to pay for this transaction.", from)
}
msg := gov.NewMsgDeposit(from, proposalID, amount)
err = msg.ValidateBasic()
if err != nil {
return err
}
if cliCtx.GenerateOnly {
return utils.PrintUnsignedStdTx(os.Stdout, txBldr, cliCtx, []sdk.Msg{msg}, false)
}
// Build and sign the transaction, then broadcast to a Tendermint node.
return utils.CompleteAndBroadcastTxCli(txBldr, cliCtx, []sdk.Msg{msg})
},
}
return cmd
}
// GetCmdVote implements creating a new vote command.
func GetCmdVote(queryRoute string, cdc *codec.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "vote [proposal-id] [option]",
Args: cobra.ExactArgs(2),
Short: "Vote for an active proposal, options: yes/no/no_with_veto/abstain",
Long: strings.TrimSpace(`
Submit a vote for an acive proposal. You can find the proposal-id by running gaiacli query gov proposals:
$ gaiacli tx gov vote 1 yes --from mykey
`),
RunE: func(cmd *cobra.Command, args []string) error {
txBldr := authtxb.NewTxBuilderFromCLI().WithCodec(cdc)
cliCtx := context.NewCLIContext().
WithCodec(cdc).
WithAccountDecoder(cdc)
// Get voting address
from, err := cliCtx.GetFromAddress()
if err != nil {
return err
}
// validate that the proposal id is a uint
proposalID, err := strconv.ParseUint(args[0], 10, 64)
if err != nil {
return fmt.Errorf("proposal-id %s not a valid int, please input a valid proposal-id", args[0])
}
// check to see if the proposal is in the store
_, err = queryProposal(proposalID, cliCtx, cdc, queryRoute)
if err != nil {
return fmt.Errorf("Failed to fetch proposal-id %d: %s", proposalID, err)
}
// Find out which vote option user chose
byteVoteOption, err := gov.VoteOptionFromString(govClientUtils.NormalizeVoteOption(args[1]))
if err != nil {
return err
}
// Build vote message and run basic validation
msg := gov.NewMsgVote(from, proposalID, byteVoteOption)
err = msg.ValidateBasic()
if err != nil {
return err
}
// If generate only print the transaction
if cliCtx.GenerateOnly {
return utils.PrintUnsignedStdTx(os.Stdout, txBldr, cliCtx, []sdk.Msg{msg}, false)
}
// Build and sign the transaction, then broadcast to a Tendermint node.
return utils.CompleteAndBroadcastTxCli(txBldr, cliCtx, []sdk.Msg{msg})
},
}
return cmd
}