initial addition of essential crypto, encoders, workflows and LLM instructions

pkg/crypto/ec/base58/base58check_test.go

@@ -0,0 +1,87 @@
+// Copyright (c) 2013-2014 The btcsuite developers
+// Use of this source code is governed by an ISC
+// license that can be found in the LICENSE file.
+
+package base58_test
+
+import (
+	"testing"
+
+	"next.orly.dev/pkg/crypto/ec/base58"
+)
+
+var checkEncodingStringTests = []struct {
+	version byte
+	in      string
+	out     string
+}{
+	{20, "", "3MNQE1X"},
+	{20, " ", "B2Kr6dBE"},
+	{20, "-", "B3jv1Aft"},
+	{20, "0", "B482yuaX"},
+	{20, "1", "B4CmeGAC"},
+	{20, "-1", "mM7eUf6kB"},
+	{20, "11", "mP7BMTDVH"},
+	{20, "abc", "4QiVtDjUdeq"},
+	{20, "1234598760", "ZmNb8uQn5zvnUohNCEPP"},
+	{
+		20, "abcdefghijklmnopqrstuvwxyz",
+		"K2RYDcKfupxwXdWhSAxQPCeiULntKm63UXyx5MvEH2",
+	},
+	{
+		20, "00000000000000000000000000000000000000000000000000000000000000",
+		"bi1EWXwJay2udZVxLJozuTb8Meg4W9c6xnmJaRDjg6pri5MBAxb9XwrpQXbtnqEoRV5U2pixnFfwyXC8tRAVC8XxnjK",
+	},
+}
+
+func TestBase58Check(t *testing.T) {
+	for x, test := range checkEncodingStringTests {
+		// test encoding
+		if res := base58.CheckEncode(
+			[]byte(test.in),
+			test.version,
+		); res != test.out {
+			t.Errorf(
+				"CheckEncode test #%d failed: got %s, want: %s", x, res,
+				test.out,
+			)
+		}
+
+		// test decoding
+		res, version, err := base58.CheckDecode(test.out)
+		switch {
+		case err != nil:
+			t.Errorf("CheckDecode test #%d failed with err: %v", x, err)
+
+		case version != test.version:
+			t.Errorf(
+				"CheckDecode test #%d failed: got version: %d want: %d", x,
+				version, test.version,
+			)
+
+		case string(res) != test.in:
+			t.Errorf(
+				"CheckDecode test #%d failed: got: %s want: %s", x, res,
+				test.in,
+			)
+		}
+	}
+
+	// test the two decoding failure cases
+	// case 1: checksum error
+	_, _, err := base58.CheckDecode("3MNQE1Y")
+	if err != base58.ErrChecksum {
+		t.Error("Checkdecode test failed, expected ErrChecksum")
+	}
+	// case 2: invalid formats (string lengths below 5 mean the version byte and/or the checksum
+	// bytes are missing).
+	testString := ""
+	for len := 0; len < 4; len++ {
+		testString += "x"
+		_, _, err = base58.CheckDecode(testString)
+		if err != base58.ErrInvalidFormat {
+			t.Error("Checkdecode test failed, expected ErrInvalidFormat")
+		}
+	}
+
+}