From 0e248419a0960bd02c55ed1982b20e6b6b4e4357 Mon Sep 17 00:00:00 2001
From: Chase Fleming <1666730+chasefleming@users.noreply.github.com>
Date: Fri, 5 Jan 2024 14:53:17 -0800
Subject: [PATCH 1/4] Add Cadence 1.0 messaging

---
 cmd/flow/main.go | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/cmd/flow/main.go b/cmd/flow/main.go
index 1b77738b6..c5ccefe89 100644
--- a/cmd/flow/main.go
+++ b/cmd/flow/main.go
@@ -20,7 +20,9 @@
 package main
 
 import (
+	"fmt"
 	"os"
+	"strings"
 
 	"github.com/spf13/cobra"
 
@@ -52,6 +54,36 @@ func main() {
 	var cmd = &cobra.Command{
 		Use:              "flow",
 		TraverseChildren: true,
+		// Messaging for Cadence 1.0 upgrade
+		PersistentPostRun: func(cmd *cobra.Command, args []string) {
+			outputFlag, _ := cmd.Flags().GetString("output")
+			// If output is set to json, do not append any message
+			if outputFlag != "json" {
+
+				width := 80
+				url := "https://developers.flow.com/build/cadence-migration-guide"
+
+				// Function to center text within a given width
+				centerText := func(text string, width int) string {
+					space := (width - len(text)) / 2
+					if space < 0 {
+						space = 0
+					}
+					return fmt.Sprintf("%s%s%s", strings.Repeat(" ", space), text, strings.Repeat(" ", space))
+				}
+
+				fmt.Println(strings.Repeat("+", width))
+				fmt.Println(centerText("⚠ Upgrade to Cadence 1.0", width))
+				fmt.Println(centerText("You are currently using a version of this tool that", width))
+				fmt.Println(centerText("precedes a network upgrade, which will require support", width))
+				fmt.Println(centerText("for version 1.0 of the Cadence smart contract", width))
+				fmt.Println(centerText("programming language. To learn how to upgrade,", width))
+				fmt.Println(centerText("please visit our migration guide here:", width))
+				fmt.Println(centerText(url, width))
+				fmt.Println(strings.Repeat("+", width))
+
+			}
+		},
 	}
 
 	// quick commands

From 24ae442eba1a553adab8cb6fa23d2ac4f5ed5369 Mon Sep 17 00:00:00 2001
From: Chase Fleming <1666730+chasefleming@users.noreply.github.com>
Date: Fri, 5 Jan 2024 14:57:50 -0800
Subject: [PATCH 2/4] Remove unnecessary text

---
 cmd/flow/main.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/cmd/flow/main.go b/cmd/flow/main.go
index c5ccefe89..67b81b84f 100644
--- a/cmd/flow/main.go
+++ b/cmd/flow/main.go
@@ -76,8 +76,7 @@ func main() {
 				fmt.Println(centerText("⚠ Upgrade to Cadence 1.0", width))
 				fmt.Println(centerText("You are currently using a version of this tool that", width))
 				fmt.Println(centerText("precedes a network upgrade, which will require support", width))
-				fmt.Println(centerText("for version 1.0 of the Cadence smart contract", width))
-				fmt.Println(centerText("programming language. To learn how to upgrade,", width))
+				fmt.Println(centerText("for version 1.0 of Cadence. To learn how to upgrade,", width))
 				fmt.Println(centerText("please visit our migration guide here:", width))
 				fmt.Println(centerText(url, width))
 				fmt.Println(strings.Repeat("+", width))

From 64e343f68302e57d4f4b7eb3308ce733c3d51dba Mon Sep 17 00:00:00 2001
From: Chase Fleming <1666730+chasefleming@users.noreply.github.com>
Date: Fri, 5 Jan 2024 15:52:58 -0800
Subject: [PATCH 3/4] Switch to pre

---
 cmd/flow/main.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/flow/main.go b/cmd/flow/main.go
index 67b81b84f..2ff592542 100644
--- a/cmd/flow/main.go
+++ b/cmd/flow/main.go
@@ -55,7 +55,7 @@ func main() {
 		Use:              "flow",
 		TraverseChildren: true,
 		// Messaging for Cadence 1.0 upgrade
-		PersistentPostRun: func(cmd *cobra.Command, args []string) {
+		PersistentPreRun: func(cmd *cobra.Command, args []string) {
 			outputFlag, _ := cmd.Flags().GetString("output")
 			// If output is set to json, do not append any message
 			if outputFlag != "json" {

From c16f4cb4f12cf7d3fe68bd7aa48aab17fbe3aaea Mon Sep 17 00:00:00 2001
From: Chase Fleming <1666730+chasefleming@users.noreply.github.com>
Date: Fri, 5 Jan 2024 16:52:50 -0800
Subject: [PATCH 4/4] Change message

---
 cmd/flow/main.go | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/cmd/flow/main.go b/cmd/flow/main.go
index 2ff592542..0564fd142 100644
--- a/cmd/flow/main.go
+++ b/cmd/flow/main.go
@@ -74,10 +74,9 @@ func main() {
 
 				fmt.Println(strings.Repeat("+", width))
 				fmt.Println(centerText("⚠ Upgrade to Cadence 1.0", width))
-				fmt.Println(centerText("You are currently using a version of this tool that", width))
-				fmt.Println(centerText("precedes a network upgrade, which will require support", width))
-				fmt.Println(centerText("for version 1.0 of Cadence. To learn how to upgrade,", width))
-				fmt.Println(centerText("please visit our migration guide here:", width))
+				fmt.Println(centerText("The Crescendo network upgrade, including Cadence 1.0, is coming soon.", width))
+				fmt.Println(centerText("You may need to update your existing contracts to support this change.", width))
+				fmt.Println(centerText("Please visit our migration guide here:", width))
 				fmt.Println(centerText(url, width))
 				fmt.Println(strings.Repeat("+", width))