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Add cli to submit gov proposal to upgrade multiple channels (cosmos#5548
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chatton committed Jan 9, 2024
1 parent 04e14a7 commit 11b301b
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Showing 2 changed files with 132 additions and 3 deletions.
3 changes: 2 additions & 1 deletion modules/core/04-channel/client/cli/cli.go
Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,8 @@ func NewTxCmd() *cobra.Command {
}

txCmd.AddCommand(
NewPruneAcknowledgementsTxCmd(),
newUpgradeChannelsTxCmd(),
newPruneAcknowledgementsTxCmd(),
)

return txCmd
Expand Down
132 changes: 130 additions & 2 deletions modules/core/04-channel/client/cli/tx.go
Original file line number Diff line number Diff line change
Expand Up @@ -2,20 +2,33 @@ package cli

import (
"fmt"
"regexp"
"slices"
"strconv"
"strings"

"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"
govcli "github.com/cosmos/cosmos-sdk/x/gov/client/cli"

"github.com/cosmos/ibc-go/v8/modules/core/04-channel/types"
ibcexported "github.com/cosmos/ibc-go/v8/modules/core/exported"
)

// NewPruneAcknowledgementsTxCmd returns the command to create a new MsgPruneAcknowledgements transaction
func NewPruneAcknowledgementsTxCmd() *cobra.Command {
const (
flagJSON = "json"
flagPortPattern = "port-pattern"
flagExpedited = "expedited"
flagChannelIDs = "channel-ids"
)

// newPruneAcknowledgementsTxCmd returns the command to create a new MsgPruneAcknowledgements transaction
func newPruneAcknowledgementsTxCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "prune-acknowledgements [port] [channel] [limit]",
Short: "Prune expired packet acknowledgements stored in IBC state",
Expand Down Expand Up @@ -45,3 +58,118 @@ func NewPruneAcknowledgementsTxCmd() *cobra.Command {
flags.AddTxFlagsToCmd(cmd)
return cmd
}

func newUpgradeChannelsTxCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "upgrade-channels",
Short: "Upgrade IBC channels",
Long: `Submit a governance proposal to upgrade all open channels whose port matches a specified pattern
(the default is transfer), optionally, an exact list of comma separated channel IDs may be specified.`,
Args: cobra.ExactArgs(1),
Example: fmt.Sprintf(`%s tx %s %s upgrade-channels "{\"fee_version\":\"ics29-1\",\"app_version\":\"ics20-1\"}" --deposit 10stake`, version.AppName, ibcexported.ModuleName, types.SubModuleName),
RunE: func(cmd *cobra.Command, args []string) error {
versionStr := args[0]

clientCtx, err := client.GetClientQueryContext(cmd)
if err != nil {
return err
}

portPattern, err := cmd.Flags().GetString(flagPortPattern)
if err != nil {
return err
}

commaSeparatedChannelIDs, err := cmd.Flags().GetString(flagChannelIDs)
if err != nil {
return err
}

displayJSON, err := cmd.Flags().GetBool(flagJSON)
if err != nil {
return err
}

queryClient := types.NewQueryClient(clientCtx)

resp, err := queryClient.Channels(cmd.Context(), &types.QueryChannelsRequest{})
if err != nil {
return err
}

channelIDs := getChannelIDs(commaSeparatedChannelIDs)

var msgs []sdk.Msg
pattern := regexp.MustCompile(portPattern)

for _, ch := range resp.Channels {

if !channelShouldBeUpgraded(*ch, pattern, channelIDs) {
continue
}

// construct a MsgChannelUpgradeInit which will upgrade the specified channel to a specific version.
msgUpgradeInit := types.NewMsgChannelUpgradeInit(ch.PortId, ch.ChannelId, types.NewUpgradeFields(ch.Ordering, ch.ConnectionHops, versionStr), clientCtx.GetFromAddress().String())
msgs = append(msgs, msgUpgradeInit)
}

if len(msgs) == 0 {
return fmt.Errorf("no channels would be upgraded with pattern %s", portPattern)
}

msgSubmitProposal, err := govcli.ReadGovPropFlags(clientCtx, cmd.Flags())
if err != nil {
return err
}

if err := msgSubmitProposal.SetMsgs(msgs); err != nil {
return err
}

dryRun, _ := cmd.Flags().GetBool(flags.FlagDryRun)
if displayJSON || dryRun {
out, err := clientCtx.Codec.MarshalJSON(msgSubmitProposal)
if err != nil {
return err
}
return clientCtx.PrintBytes(out)
}

return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msgSubmitProposal)
},
}

flags.AddTxFlagsToCmd(cmd)
govcli.AddGovPropFlagsToCmd(cmd)
cmd.Flags().Bool(flagJSON, false, "specify true to output valid proposal.json contents, instead of submitting a governance proposal.")
cmd.Flags().String(flagPortPattern, "transfer", "The pattern to use to match port ids.")
cmd.Flags().String(flagChannelIDs, "", "a comma separated list of channel IDs to upgrade.")
cmd.Flags().Bool(flagExpedited, false, "set the expedited value for the governance proposal.")

return cmd
}

// getChannelIDs returns a slice of channel IDs based on a comma separated string of channel IDs.
func getChannelIDs(commaSeparatedList string) []string {
if strings.TrimSpace(commaSeparatedList) == "" {
return nil
}
return strings.Split(commaSeparatedList, ",")
}

// channelShouldBeUpgraded returns a boolean indicating whether or not the given channel should be upgraded based
// on either the provided regex pattern or list of desired channel IDs.
func channelShouldBeUpgraded(channel types.IdentifiedChannel, pattern *regexp.Regexp, channelIDs []string) bool {
// skip any channel that is not open
if channel.State != types.OPEN {
return false
}

// if specified, the channel ID must exactly match.
if len(channelIDs) > 0 {
return pattern.MatchString(channel.PortId) && slices.Contains(channelIDs, channel.ChannelId)
}

// otherwise we only need the port pattern to match.
return pattern.MatchString(channel.PortId)
}

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