/
tx.go
262 lines (224 loc) · 7.73 KB
/
tx.go
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package cli
import (
"errors"
"fmt"
"strings"
"time"
"github.com/spf13/cobra"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/client/tx"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/version"
authclient "github.com/cosmos/cosmos-sdk/x/auth/client"
"github.com/cosmos/cosmos-sdk/x/authz"
bank "github.com/cosmos/cosmos-sdk/x/bank/types"
staking "github.com/cosmos/cosmos-sdk/x/staking/types"
)
// Flag names and values
const (
FlagSpendLimit = "spend-limit"
FlagMsgType = "msg-type"
FlagExpiration = "expiration"
FlagAllowedValidators = "allowed-validators"
FlagDenyValidators = "deny-validators"
delegate = "delegate"
redelegate = "redelegate"
unbond = "unbond"
)
// GetTxCmd returns the transaction commands for this module
func GetTxCmd() *cobra.Command {
AuthorizationTxCmd := &cobra.Command{
Use: authz.ModuleName,
Short: "Authorization transactions subcommands",
Long: "Authorize and revoke access to execute transactions on behalf of your address",
DisableFlagParsing: true,
SuggestionsMinimumDistance: 2,
RunE: client.ValidateCmd,
}
AuthorizationTxCmd.AddCommand(
NewCmdGrantAuthorization(),
NewCmdRevokeAuthorization(),
NewCmdExecAuthorization(),
)
return AuthorizationTxCmd
}
func NewCmdGrantAuthorization() *cobra.Command {
cmd := &cobra.Command{
Use: "grant <grantee> <authorization_type=\"send\"|\"generic\"|\"delegate\"|\"unbond\"|\"redelegate\"> --from <granter>",
Short: "Grant authorization to an address",
Long: strings.TrimSpace(
fmt.Sprintf(`create a new grant authorization to an address to execute a transaction on your behalf:
Examples:
$ %s tx %s grant cosmos1skjw.. send %s --spend-limit=1000stake --from=cosmos1skl..
$ %s tx %s grant cosmos1skjw.. generic --msg-type=/cosmos.gov.v1beta2.MsgVote --from=cosmos1sk..
`, version.AppName, authz.ModuleName, bank.SendAuthorization{}.MsgTypeURL(), version.AppName, authz.ModuleName),
),
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx, err := client.GetClientTxContext(cmd)
if err != nil {
return err
}
grantee, err := sdk.AccAddressFromBech32(args[0])
if err != nil {
return err
}
exp, err := cmd.Flags().GetInt64(FlagExpiration)
if err != nil {
return err
}
var authorization authz.Authorization
switch args[1] {
case "send":
limit, err := cmd.Flags().GetString(FlagSpendLimit)
if err != nil {
return err
}
spendLimit, err := sdk.ParseCoinsNormalized(limit)
if err != nil {
return err
}
if !spendLimit.IsAllPositive() {
return fmt.Errorf("spend-limit should be greater than zero")
}
authorization = bank.NewSendAuthorization(spendLimit)
case "generic":
msgType, err := cmd.Flags().GetString(FlagMsgType)
if err != nil {
return err
}
authorization = authz.NewGenericAuthorization(msgType)
case delegate, unbond, redelegate:
limit, err := cmd.Flags().GetString(FlagSpendLimit)
if err != nil {
return err
}
allowValidators, err := cmd.Flags().GetStringSlice(FlagAllowedValidators)
if err != nil {
return err
}
denyValidators, err := cmd.Flags().GetStringSlice(FlagDenyValidators)
if err != nil {
return err
}
var delegateLimit *sdk.Coin
if limit != "" {
spendLimit, err := sdk.ParseCoinsNormalized(limit)
if err != nil {
return err
}
if !spendLimit.IsAllPositive() {
return fmt.Errorf("spend-limit should be greater than zero")
}
delegateLimit = &spendLimit[0]
}
allowed, err := bech32toValidatorAddresses(allowValidators)
if err != nil {
return err
}
denied, err := bech32toValidatorAddresses(denyValidators)
if err != nil {
return err
}
switch args[1] {
case delegate:
authorization, err = staking.NewStakeAuthorization(allowed, denied, staking.AuthorizationType_AUTHORIZATION_TYPE_DELEGATE, delegateLimit)
case unbond:
authorization, err = staking.NewStakeAuthorization(allowed, denied, staking.AuthorizationType_AUTHORIZATION_TYPE_UNDELEGATE, delegateLimit)
default:
authorization, err = staking.NewStakeAuthorization(allowed, denied, staking.AuthorizationType_AUTHORIZATION_TYPE_REDELEGATE, delegateLimit)
}
if err != nil {
return err
}
default:
return fmt.Errorf("invalid authorization type, %s", args[1])
}
msg, err := authz.NewMsgGrant(clientCtx.GetFromAddress(), grantee, authorization, time.Unix(exp, 0))
if err != nil {
return err
}
return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
},
}
flags.AddTxFlagsToCmd(cmd)
cmd.Flags().String(FlagMsgType, "", "The Msg method name for which we are creating a GenericAuthorization")
cmd.Flags().String(FlagSpendLimit, "", "SpendLimit for Send Authorization, an array of Coins allowed spend")
cmd.Flags().StringSlice(FlagAllowedValidators, []string{}, "Allowed validators addresses separated by ,")
cmd.Flags().StringSlice(FlagDenyValidators, []string{}, "Deny validators addresses separated by ,")
cmd.Flags().Int64(FlagExpiration, time.Now().AddDate(1, 0, 0).Unix(), "The Unix timestamp. Default is one year.")
return cmd
}
func NewCmdRevokeAuthorization() *cobra.Command {
cmd := &cobra.Command{
Use: "revoke [grantee] [msg-type-url] --from=[granter]",
Short: "revoke authorization",
Long: strings.TrimSpace(
fmt.Sprintf(`revoke authorization from a granter to a grantee:
Example:
$ %s tx %s revoke cosmos1skj.. %s --from=cosmos1skj..
`, version.AppName, authz.ModuleName, bank.SendAuthorization{}.MsgTypeURL()),
),
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx, err := client.GetClientTxContext(cmd)
if err != nil {
return err
}
grantee, err := sdk.AccAddressFromBech32(args[0])
if err != nil {
return err
}
granter := clientCtx.GetFromAddress()
msgAuthorized := args[1]
msg := authz.NewMsgRevoke(granter, grantee, msgAuthorized)
return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), &msg)
},
}
flags.AddTxFlagsToCmd(cmd)
return cmd
}
func NewCmdExecAuthorization() *cobra.Command {
cmd := &cobra.Command{
Use: "exec [tx-json-file] --from [grantee]",
Short: "execute tx on behalf of granter account",
Long: strings.TrimSpace(
fmt.Sprintf(`execute tx on behalf of granter account:
Example:
$ %s tx %s exec tx.json --from grantee
$ %s tx bank send <granter> <recipient> --from <granter> --chain-id <chain-id> --generate-only > tx.json && %s tx %s exec tx.json --from grantee
`, version.AppName, authz.ModuleName, version.AppName, version.AppName, authz.ModuleName),
),
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx, err := client.GetClientTxContext(cmd)
if err != nil {
return err
}
grantee := clientCtx.GetFromAddress()
if offline, _ := cmd.Flags().GetBool(flags.FlagOffline); offline {
return errors.New("cannot broadcast tx during offline mode")
}
theTx, err := authclient.ReadTxFromFile(clientCtx, args[0])
if err != nil {
return err
}
msg := authz.NewMsgExec(grantee, theTx.GetMsgs())
return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), &msg)
},
}
flags.AddTxFlagsToCmd(cmd)
return cmd
}
func bech32toValidatorAddresses(validators []string) ([]sdk.ValAddress, error) {
vals := make([]sdk.ValAddress, len(validators))
for i, validator := range validators {
addr, err := sdk.ValAddressFromBech32(validator)
if err != nil {
return nil, err
}
vals[i] = addr
}
return vals, nil
}