feat: Improve withdraw-all-rewards UX

x/distribution/client/cli/tx.go

@@ -126,11 +126,12 @@ func NewWithdrawAllRewardsCmd() *cobra.Command {
 		Short: "withdraw all delegations rewards for a delegator",
 		Long: strings.TrimSpace(
 			fmt.Sprintf(`Withdraw all rewards for a single delegator.
+Note that if you use this command with --%[2]s=%[3]s or --%[2]s=%[4]s, the %[5]s flag will automatically be set to 0.
 
 Example:
-$ %s tx distribution withdraw-all-rewards --from mykey
+$ %[1]s tx distribution withdraw-all-rewards --from mykey
 `,
-				version.AppName,
+				version.AppName, flags.FlagBroadcastMode, flags.BroadcastSync, flags.BroadcastAsync, FlagMaxMessagesPerTx,
 			),
 		),
 		Args: cobra.NoArgs,
@@ -167,6 +168,12 @@ $ %s tx distribution withdraw-all-rewards --from mykey
 			}
 
 			chunkSize, _ := cmd.Flags().GetInt(FlagMaxMessagesPerTx)
+			if clientCtx.BroadcastMode != flags.BroadcastBlock && chunkSize > 0 {
+				cmd.Printf("Cannot use broadcast mode %[1]s with %[2]s != 0. Forcing %[2]s to 0",
+					clientCtx.BroadcastMode, FlagMaxMessagesPerTx)
+				chunkSize = 0
+			}
+
 			return newSplitAndApply(tx.GenerateOrBroadcastTxCLI, clientCtx, cmd.Flags(), msgs, chunkSize)
 		},
 	}