From 2ee74e7c670b2ae5d40a671f40d62a6a2ef0f35f Mon Sep 17 00:00:00 2001
From: Martin Atkins <mart@degeneration.co.uk>
Date: Wed, 6 Mar 2024 17:52:57 -0800
Subject: [PATCH] legacy/helper/hashcode: Entirely remove

This package is no longer called from anywhere in this codebase.
---
 internal/legacy/helper/hashcode/hashcode.go   | 38 ------------------
 .../legacy/helper/hashcode/hashcode_test.go   | 40 -------------------
 2 files changed, 78 deletions(-)
 delete mode 100644 internal/legacy/helper/hashcode/hashcode.go
 delete mode 100644 internal/legacy/helper/hashcode/hashcode_test.go

diff --git a/internal/legacy/helper/hashcode/hashcode.go b/internal/legacy/helper/hashcode/hashcode.go
deleted file mode 100644
index 6e18b525752d..000000000000
--- a/internal/legacy/helper/hashcode/hashcode.go
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright (c) HashiCorp, Inc.
-// SPDX-License-Identifier: BUSL-1.1
-
-package hashcode
-
-import (
-	"bytes"
-	"fmt"
-	"hash/crc32"
-)
-
-// String hashes a string to a unique hashcode.
-//
-// crc32 returns a uint32, but for our use we need
-// a non negative integer. Here we cast to an integer
-// and invert it if the result is negative.
-func String(s string) int {
-	v := int(crc32.ChecksumIEEE([]byte(s)))
-	if v >= 0 {
-		return v
-	}
-	if -v >= 0 {
-		return -v
-	}
-	// v == MinInt
-	return 0
-}
-
-// Strings hashes a list of strings to a unique hashcode.
-func Strings(strings []string) string {
-	var buf bytes.Buffer
-
-	for _, s := range strings {
-		buf.WriteString(fmt.Sprintf("%s-", s))
-	}
-
-	return fmt.Sprintf("%d", String(buf.String()))
-}
diff --git a/internal/legacy/helper/hashcode/hashcode_test.go b/internal/legacy/helper/hashcode/hashcode_test.go
deleted file mode 100644
index 2f9d1f6650ce..000000000000
--- a/internal/legacy/helper/hashcode/hashcode_test.go
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright (c) HashiCorp, Inc.
-// SPDX-License-Identifier: BUSL-1.1
-
-package hashcode
-
-import (
-	"testing"
-)
-
-func TestString(t *testing.T) {
-	v := "hello, world"
-	expected := String(v)
-	for i := 0; i < 100; i++ {
-		actual := String(v)
-		if actual != expected {
-			t.Fatalf("bad: %#v\n\t%#v", actual, expected)
-		}
-	}
-}
-
-func TestStrings(t *testing.T) {
-	v := []string{"hello", ",", "world"}
-	expected := Strings(v)
-	for i := 0; i < 100; i++ {
-		actual := Strings(v)
-		if actual != expected {
-			t.Fatalf("bad: %#v\n\t%#v", actual, expected)
-		}
-	}
-}
-
-func TestString_positiveIndex(t *testing.T) {
-	// "2338615298" hashes to uint32(2147483648) which is math.MinInt32
-	ips := []string{"192.168.1.3", "192.168.1.5", "2338615298"}
-	for _, ip := range ips {
-		if index := String(ip); index < 0 {
-			t.Fatalf("Bad Index %#v for ip %s", index, ip)
-		}
-	}
-}