From a0aabf2391ead23bc6831b74457168a1091c5b0d Mon Sep 17 00:00:00 2001
From: 9seconds <nineseconds@yandex.ru>
Date: Tue, 17 Feb 2026 23:43:48 +0100
Subject: [PATCH] Switch to rand/v2

---
 events/event_stream.go                  | 2 +-
 mtglib/internal/faketls/conn.go         | 4 ++--
 mtglib/internal/faketls/conn_test.go    | 4 ++--
 mtglib/internal/faketls/welcome.go      | 4 ++--
 mtglib/internal/faketls/welcome_test.go | 2 +-
 network/load_balanced_socks5.go         | 4 ++--
 network/network.go                      | 2 +-
 7 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/events/event_stream.go b/events/event_stream.go
index dede8b0..b71db4c 100644
--- a/events/event_stream.go
+++ b/events/event_stream.go
@@ -2,7 +2,7 @@ package events
 
 import (
 	"context"
-	"math/rand"
+	"math/rand/v2"
 	"runtime"
 
 	"github.com/9seconds/mtg/v2/mtglib"
diff --git a/mtglib/internal/faketls/conn.go b/mtglib/internal/faketls/conn.go
index f88771c..85acee2 100644
--- a/mtglib/internal/faketls/conn.go
+++ b/mtglib/internal/faketls/conn.go
@@ -3,7 +3,7 @@ package faketls
 import (
 	"bytes"
 	"fmt"
-	"math/rand"
+	"math/rand/v2"
 
 	"github.com/9seconds/mtg/v2/essentials"
 	"github.com/9seconds/mtg/v2/mtglib/internal/faketls/record"
@@ -53,7 +53,7 @@ func (c *Conn) Write(p []byte) (int, error) {
 	lenP := len(p)
 
 	for len(p) > 0 {
-		chunkSize := rand.Intn(record.TLSMaxRecordSize)
+		chunkSize := rand.IntN(record.TLSMaxRecordSize)
 		if chunkSize > len(p) || chunkSize == 0 {
 			chunkSize = len(p)
 		}
diff --git a/mtglib/internal/faketls/conn_test.go b/mtglib/internal/faketls/conn_test.go
index c60dec9..29a8c0d 100644
--- a/mtglib/internal/faketls/conn_test.go
+++ b/mtglib/internal/faketls/conn_test.go
@@ -2,9 +2,9 @@ package faketls_test
 
 import (
 	"bytes"
+	"crypto/rand"
 	"errors"
 	"io"
-	"math/rand"
 	"testing"
 
 	"github.com/9seconds/mtg/v2/internal/testlib"
@@ -123,7 +123,7 @@ func (suite *ConnTestSuite) TestWrite() {
 	suite.connMock.On("Write", mock.Anything).Return(0, nil)
 
 	dataToRec := make([]byte, record.TLSMaxRecordSize*2)
-	rand.Read(dataToRec) //nolint: staticcheck
+	rand.Read(dataToRec) //nolint: staticcheck, errcheck
 
 	n, err := suite.c.Write(dataToRec)
 	suite.NoError(err)
diff --git a/mtglib/internal/faketls/welcome.go b/mtglib/internal/faketls/welcome.go
index 8af46e4..0d91dac 100644
--- a/mtglib/internal/faketls/welcome.go
+++ b/mtglib/internal/faketls/welcome.go
@@ -6,7 +6,7 @@ import (
 	"crypto/sha256"
 	"encoding/binary"
 	"io"
-	mrand "math/rand"
+	mrand "math/rand/v2"
 
 	"github.com/9seconds/mtg/v2/mtglib/internal/faketls/record"
 	"golang.org/x/crypto/curve25519"
@@ -36,7 +36,7 @@ func SendWelcomePacket(writer io.Writer, secret []byte, clientHello ClientHello)
 	rec.Type = record.TypeApplicationData
 	rec.Version = record.Version12
 
-	if _, err := io.CopyN(&rec.Payload, rand.Reader, int64(1024+mrand.Intn(3092))); err != nil {
+	if _, err := io.CopyN(&rec.Payload, rand.Reader, int64(1024+mrand.IntN(3092))); err != nil {
 		panic(err)
 	}
 
diff --git a/mtglib/internal/faketls/welcome_test.go b/mtglib/internal/faketls/welcome_test.go
index 43ba033..e722007 100644
--- a/mtglib/internal/faketls/welcome_test.go
+++ b/mtglib/internal/faketls/welcome_test.go
@@ -3,8 +3,8 @@ package faketls_test
 import (
 	"bytes"
 	"crypto/hmac"
+	"crypto/rand"
 	"crypto/sha256"
-	"math/rand"
 	"testing"
 	"time"
 
diff --git a/network/load_balanced_socks5.go b/network/load_balanced_socks5.go
index f6d0a82..8aec387 100644
--- a/network/load_balanced_socks5.go
+++ b/network/load_balanced_socks5.go
@@ -3,7 +3,7 @@ package network
 import (
 	"context"
 	"fmt"
-	"math/rand"
+	"math/rand/v2"
 	"net/url"
 
 	"github.com/9seconds/mtg/v2/essentials"
@@ -19,7 +19,7 @@ func (l loadBalancedSocks5Dialer) Dial(network, address string) (essentials.Conn
 
 func (l loadBalancedSocks5Dialer) DialContext(ctx context.Context, network, address string) (essentials.Conn, error) {
 	length := len(l.dialers)
-	start := rand.Intn(length)
+	start := rand.IntN(length)
 	moved := false
 
 	for i := start; i != start || !moved; i = (i + 1) % length {
diff --git a/network/network.go b/network/network.go
index 3f68b11..5b536b4 100644
--- a/network/network.go
+++ b/network/network.go
@@ -3,7 +3,7 @@ package network
 import (
 	"context"
 	"fmt"
-	"math/rand"
+	"math/rand/v2"
 	"net"
 	"net/http"
 	"sync"