New cmd: query ibc-transfer escrow-address

CHANGELOG.md

@@ -75,6 +75,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (modules/light-clients/07-tendermint) [\#125](https://github.com/cosmos/ibc-go/pull/125) Implement efficient iteration of consensus states and pruning of earliest expired consensus state on UpdateClient.
 * (modules/light-clients/07-tendermint) [\#141](https://github.com/cosmos/ibc-go/pull/141) Return early in case there's a duplicate update call to save Gas.
 
+### Features
+
+* [\#198](https://github.com/cosmos/ibc-go/pull/198) New CLI command `query ibc-transfer escrow-address <port> <channel id>` to get the escrow address for a channel; can be used to then query balance of escrowed tokens
+
 
 ## IBC in the Cosmos SDK Repository
 

modules/apps/transfer/client/cli/cli.go

@@ -19,6 +19,7 @@ func GetQueryCmd() *cobra.Command {
  GetCmdQueryDenomTrace(),
  GetCmdQueryDenomTraces(),
  GetCmdParams(),
+ GetCmdQueryEscrowAddress(),
  )
 
  return queryCmd

modules/apps/transfer/client/cli/query.go

@@ -106,3 +106,28 @@ func GetCmdParams() *cobra.Command {
 
  return cmd
 }
+
+// GetCmdParams returns the command handler for ibc-transfer parameter querying.
+func GetCmdQueryEscrowAddress() *cobra.Command {
+ cmd := &cobra.Command{
+ Use: "escrow-address",
+ Short: "Get the escrow address for a channel",
+ Long: "Get the escrow address for a channel",
+ Args: cobra.ExactArgs(2),
+ Example: fmt.Sprintf("%s query ibc-transfer escrow-address [port] [channel-id]", version.AppName),
+ RunE: func(cmd *cobra.Command, args []string) error {
+ clientCtx, err := client.GetClientQueryContext(cmd)
+ if err != nil {
+ return err
+ }
+ port := args[0]
+ channel := args[1]
+ addr := types.GetEscrowAddress(port, channel)
+ return clientCtx.PrintString(fmt.Sprintf("%s\n", addr.String()))
+ },
+ }
+
+ flags.AddQueryFlagsToCmd(cmd)
+
+ return cmd
+}