From e4a9a9630963dfdc4aa93a0e166948bc87b8b3ad Mon Sep 17 00:00:00 2001
From: 9seconds <nineseconds@yandex.ru>
Date: Tue, 24 Feb 2026 13:31:36 +0100
Subject: [PATCH] Remove mentioning of DC overrides

---
 example.config.toml        | 9 ---------
 internal/cli/run_proxy.go  | 9 ---------
 internal/config/config.go  | 4 ----
 internal/config/parse.go   | 4 ----
 mtglib/internal/dc/view.go | 3 ---
 mtglib/proxy_opts.go       | 2 +-
 6 files changed, 1 insertion(+), 30 deletions(-)

diff --git a/example.config.toml b/example.config.toml
index 68f7926..eaff5de 100644
--- a/example.config.toml
+++ b/example.config.toml
@@ -80,15 +80,6 @@ tolerate-time-skewness = "5s"
 # Otherwise, chose a new DC.
 allow-fallback-on-unknown-dc = false
 
-# Telegram uses different DCs for different purposes. Unfortunately, most of
-# DCs are not public, and dependent on a location of the current user, so
-# mtg cannot know upfront about all of them, and how to access them. It has
-# a default list of DCs, including some CDN IPs, but it is possible that some
-# of them are not working for you. In this case, you can override them here.
-[[dc-overrides]]
-dc = 101
-ips = ["127.0.0.1:443"]
-
 # network defines different network-related settings
 [network]
 # please be aware that mtg needs to do some external requests. For
diff --git a/internal/cli/run_proxy.go b/internal/cli/run_proxy.go
index 23580eb..d9f3d1f 100644
--- a/internal/cli/run_proxy.go
+++ b/internal/cli/run_proxy.go
@@ -242,14 +242,6 @@ func runProxy(conf *config.Config, version string) error { //nolint: funlen
 		return fmt.Errorf("cannot build ip allowlist: %w", err)
 	}
 
-	dcOverrides := map[int][]string{}
-	for _, override := range conf.DCOverrides {
-		dcid := override.DC.Get()
-		for _, addr := range override.IPs {
-			dcOverrides[dcid] = append(dcOverrides[dcid], addr.Get(""))
-		}
-	}
-
 	opts := mtglib.ProxyOpts{
 		Logger:          logger,
 		Network:         ntw,
@@ -264,7 +256,6 @@ func runProxy(conf *config.Config, version string) error { //nolint: funlen
 
 		AllowFallbackOnUnknownDC: conf.AllowFallbackOnUnknownDC.Get(false),
 		TolerateTimeSkewness:     conf.TolerateTimeSkewness.Value,
-		DCOverrides:              dcOverrides,
 	}
 
 	proxy, err := mtglib.NewProxy(opts)
diff --git a/internal/config/config.go b/internal/config/config.go
index 74abdf0..0a5a942 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -65,10 +65,6 @@ type Config struct {
 			MetricPrefix TypeMetricPrefix `json:"metricPrefix"`
 		} `json:"prometheus"`
 	} `json:"stats"`
-	DCOverrides []struct {
-		DC  TypeDC         `json:"dc"`
-		IPs []TypeHostPort `json:"ips"`
-	} `json:"dcOverrides"`
 }
 
 func (c *Config) Validate() error {
diff --git a/internal/config/parse.go b/internal/config/parse.go
index 7cdf6da..80fb07c 100644
--- a/internal/config/parse.go
+++ b/internal/config/parse.go
@@ -60,10 +60,6 @@ type tomlConfig struct {
 			MetricPrefix string `toml:"metric-prefix" json:"metricPrefix,omitempty"`
 		} `toml:"prometheus" json:"prometheus,omitempty"`
 	} `toml:"stats" json:"stats,omitempty"`
-	DCOverrides []struct {
-		DC  uint     `toml:"dc" json:"dc"`
-		IPs []string `toml:"ips" json:"ips"`
-	} `toml:"dc-overrides" json:"dcOverrides,omitempty"`
 }
 
 func Parse(rawData []byte) (*Config, error) {
diff --git a/mtglib/internal/dc/view.go b/mtglib/internal/dc/view.go
index de06499..e4980a7 100644
--- a/mtglib/internal/dc/view.go
+++ b/mtglib/internal/dc/view.go
@@ -2,12 +2,10 @@ package dc
 
 type dcView struct {
 	publicConfigs dcAddrSet
-	ownConfigs    dcAddrSet
 }
 
 func (d dcView) getV4(dc int) []Addr {
 	addrs := d.publicConfigs.getV4(dc)
-	addrs = append(addrs, d.ownConfigs.getV4(dc)...)
 	addrs = append(addrs, defaultDCAddrSet.getV4(dc)...)
 
 	return addrs
@@ -15,7 +13,6 @@ func (d dcView) getV4(dc int) []Addr {
 
 func (d dcView) getV6(dc int) []Addr {
 	addrs := d.publicConfigs.getV6(dc)
-	addrs = append(addrs, d.ownConfigs.getV6(dc)...)
 	addrs = append(addrs, defaultDCAddrSet.getV6(dc)...)
 
 	return addrs
diff --git a/mtglib/proxy_opts.go b/mtglib/proxy_opts.go
index 53f3434..0399d80 100644
--- a/mtglib/proxy_opts.go
+++ b/mtglib/proxy_opts.go
@@ -117,7 +117,7 @@ type ProxyOpts struct {
 	// DCOverrides defines a set of IP addresses that should be used
 	// with a higher priority to those that are calculated somehow by mtg.
 	//
-	// This is an optional setting
+	// OBSOLETE and DEPRECATED. Ignored.
 	DCOverrides map[int][]string
 }