From b711dc811da60c01d234e05141ca0ec3ec462a12 Mon Sep 17 00:00:00 2001
From: Daniel Liu <liudaniel@qq.com>
Date: Fri, 13 Dec 2024 16:31:41 +0800
Subject: [PATCH] cmd/abigen: allow using abigen --pkg flag with standard input
 (#19207)

---
 cmd/abigen/main.go | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/cmd/abigen/main.go b/cmd/abigen/main.go
index 46a9f98719..7a696fce41 100644
--- a/cmd/abigen/main.go
+++ b/cmd/abigen/main.go
@@ -136,7 +136,7 @@ func abigen(c *cli.Context) error {
 		bins  []string
 		types []string
 	)
-	if c.String(solFlag.Name) != "" || c.String(vyFlag.Name) != "" || (c.String(abiFlag.Name) == "-" && c.String(pkgFlag.Name) == "") {
+	if c.String(solFlag.Name) != "" || c.String(vyFlag.Name) != "" || c.String(abiFlag.Name) == "-" {
 		// Generate the list of types to exclude from binding
 		exclude := make(map[string]bool)
 		for _, kind := range strings.Split(c.String(excFlag.Name), ",") {
@@ -185,13 +185,8 @@ func abigen(c *cli.Context) error {
 		}
 	} else {
 		// Otherwise load up the ABI, optional bytecode and type name from the parameters
-		var abi []byte
-		var err error
-		if c.String(abiFlag.Name) == "-" {
-			abi, err = io.ReadAll(os.Stdin)
-		} else {
-			abi, err = os.ReadFile(c.String(abiFlag.Name))
-		}
+		abi, err := os.ReadFile(c.String(abiFlag.Name))
+
 		if err != nil {
 			fmt.Printf("Failed to read input ABI: %v\n", err)
 			os.Exit(-1)