Fetch DC ips from Telegram

go.mod

 )
 
 require (
+	github.com/gotd/td v0.139.0
 	github.com/txthinking/socks5 v0.0.0-20251011041537-5c31f201a10e
 	github.com/yl2chen/cidranger v1.0.2
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/coder/websocket v1.8.14 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dlclark/regexp2 v1.11.5 // indirect
+	github.com/fatih/color v1.18.0 // indirect
+	github.com/ghodss/yaml v1.0.0 // indirect
+	github.com/go-faster/errors v0.7.1 // indirect
+	github.com/go-faster/jx v1.2.0 // indirect
+	github.com/go-faster/xor v1.0.0 // indirect
+	github.com/go-faster/yaml v0.4.6 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/gotd/ige v0.2.2 // indirect
+	github.com/gotd/neo v0.1.5 // indirect
+	github.com/klauspost/compress v1.18.3 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/ogen-go/ogen v1.16.0 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/segmentio/asm v1.2.1 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/txthinking/runnergroup v0.0.0-20250224021307-5864ffeb65ae // indirect
+	go.opentelemetry.io/otel v1.40.0 // indirect
+	go.opentelemetry.io/otel/metric v1.40.0 // indirect
+	go.opentelemetry.io/otel/trace v1.40.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.27.1 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	golang.org/x/exp v0.0.0-20230725093048-515e97ebf090 // indirect
+	golang.org/x/mod v0.32.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	golang.org/x/tools v0.41.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	rsc.io/qr v0.2.0 // indirect
 )

go.sum

 github.com/babolivier/go-doh-client v0.0.0-20201028162107-a76cff4cb8b6/go.mod h1:J29hk+f9lJrblVIfiJOtTFk+OblBawmib4uz/VdKzlg=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
+github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/coder/websocket v1.8.14 h1:9L0p0iKiNOibykf283eHkKUHHrpG7f65OE3BhhO7v9g=
+github.com/coder/websocket v1.8.14/go.mod h1:NX3SzP+inril6yawo5CQXx8+fk145lPDC6pumgx0mVg=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/d4l3k/messagediff v1.2.1 h1:ZcAIMYsUg0EAp9X+tt8/enBE/Q8Yd5kzPynLyKptt9U=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZQ=
+github.com/dlclark/regexp2 v1.11.5/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
+github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
+github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
+github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
+github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
+github.com/go-faster/errors v0.7.1 h1:MkJTnDoEdi9pDabt1dpWf7AA8/BaSYZqibYyhZ20AYg=
+github.com/go-faster/errors v0.7.1/go.mod h1:5ySTjWFiphBs07IKuiL69nxdfd5+fzh1u7FPGZP2quo=
+github.com/go-faster/jx v1.2.0 h1:T2YHJPrFaYu21fJtUxC9GzmluKu8rVIFDwwGBKTDseI=
+github.com/go-faster/jx v1.2.0/go.mod h1:UWLOVDmMG597a5tBFPLIWJdUxz5/2emOpfsj9Neg0PE=
+github.com/go-faster/xor v0.3.0/go.mod h1:x5CaDY9UKErKzqfRfFZdfu+OSTfoZny3w5Ak7UxcipQ=
+github.com/go-faster/xor v1.0.0 h1:2o8vTOgErSGHP3/7XwA5ib1FTtUsNtwCoLLBjl31X38=
+github.com/go-faster/xor v1.0.0/go.mod h1:x5CaDY9UKErKzqfRfFZdfu+OSTfoZny3w5Ak7UxcipQ=
+github.com/go-faster/yaml v0.4.6 h1:lOK/EhI04gCpPgPhgt0bChS6bvw7G3WwI8xxVe0sw9I=
+github.com/go-faster/yaml v0.4.6/go.mod h1:390dRIvV4zbnO7qC9FGo6YYutc+wyyUSHBgbXL52eXk=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gotd/ige v0.2.2 h1:XQ9dJZwBfDnOGSTxKXBGP4gMud3Qku2ekScRjDWWfEk=
+github.com/gotd/ige v0.2.2/go.mod h1:tuCRb+Y5Y3eNTo3ypIfNpQ4MFjrnONiL2jN2AKZXmb0=
+github.com/gotd/neo v0.1.5 h1:oj0iQfMbGClP8xI59x7fE/uHoTJD7NZH9oV1WNuPukQ=
+github.com/gotd/neo v0.1.5/go.mod h1:9A2a4bn9zL6FADufBdt7tZt+WMhvZoc5gWXihOPoiBQ=
+github.com/gotd/td v0.139.0 h1:3viuXqNdC0+mmd5GerDFp/rlII/QcZSzh/pjuG56NSU=
+github.com/gotd/td v0.139.0/go.mod h1:nBietiOYxaXEo6PmRp73LL64upWlk9rcFEZSJu6VieY=
 github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
 github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
 github.com/jarcoal/httpmock v1.0.8 h1:8kI16SoO6LQKgPE7PvQuV+YuD/inwHd7fOOe2zMbo4k=
 github.com/jarcoal/httpmock v1.0.8/go.mod h1:ATjnClrvW/3tijVmpL/va5Z3aAyGvqU3gCT8nX0Txik=
 github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
 github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
+github.com/klauspost/compress v1.18.3 h1:9PJRvfbmTabkOX8moIpXPbMMbYN60bWImDDU7L+/6zw=
+github.com/klauspost/compress v1.18.3/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/miekg/dns v1.1.51/go.mod h1:2Z9d3CP1LQWihRZUf29mQ19yDThaI4DAYzte2CaQW5c=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
+github.com/ogen-go/ogen v1.16.0 h1:fKHEYokW/QrMzVNXId74/6RObRIUs9T2oroGKtR25Iw=
+github.com/ogen-go/ogen v1.16.0/go.mod h1:s3nWiMzybSf8fhxckyO+wtto92+QHpEL8FmkPnhL3jI=
 github.com/panjf2000/ants/v2 v2.11.5 h1:a7LMnMEeux/ebqTux140tRiaqcFTV0q2bEHF03nl6Rg=
 github.com/panjf2000/ants/v2 v2.11.5/go.mod h1:8u92CYMUc6gyvTIw8Ru7Mt7+/ESnJahz5EVtqfrilek=
 github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
 github.com/prometheus/procfs v0.19.2/go.mod h1:M0aotyiemPhBCM0z5w87kL22CxfcH05ZpYlu+b4J7mw=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
+github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
 github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=
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+github.com/segmentio/asm v1.2.1/go.mod h1:BqMnlJP91P8d+4ibuonYZw9mfnzI9HfxselHZr5aAcs=
+github.com/shopspring/decimal v1.4.0 h1:bxl37RwXBklmTi0C79JfXCEBD1cqqHt0bbgBAGFp81k=
+github.com/shopspring/decimal v1.4.0/go.mod h1:gawqmDU56v4yIKSwfBSFip1HdCCXN8/+DMd9qYNcwME=
 github.com/smira/go-statsd v1.3.4 h1:kBYWcLSGT+qC6JVbvfz48kX7mQys32fjDOPrfmsSx2c=
 github.com/smira/go-statsd v1.3.4/go.mod h1:RjdsESPgDODtg1VpVVf9MJrEW2Hw0wtRNbmB1CAhu6A=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/yl2chen/cidranger v1.0.2 h1:lbOWZVCG1tCRX4u24kuM1Tb4nHqWkDxwLdoS+SevawU=
 github.com/yl2chen/cidranger v1.0.2/go.mod h1:9U1yz7WPYDwf0vpNWFaeRh0bjwz5RVgRy/9UEQfHl0g=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+go.opentelemetry.io/otel v1.40.0 h1:oA5YeOcpRTXq6NN7frwmwFR0Cn3RhTVZvXsP4duvCms=
+go.opentelemetry.io/otel v1.40.0/go.mod h1:IMb+uXZUKkMXdPddhwAHm6UfOwJyh4ct1ybIlV14J0g=
+go.opentelemetry.io/otel/metric v1.40.0 h1:rcZe317KPftE2rstWIBitCdVp89A2HqjkxR3c11+p9g=
+go.opentelemetry.io/otel/metric v1.40.0/go.mod h1:ib/crwQH7N3r5kfiBZQbwrTge743UDc7DTFVZrrXnqc=
+go.opentelemetry.io/otel/trace v1.40.0 h1:WA4etStDttCSYuhwvEa8OP8I5EWu24lkOzp+ZYblVjw=
+go.opentelemetry.io/otel/trace v1.40.0/go.mod h1:zeAhriXecNGP/s2SEG3+Y8X9ujcJOTqQ5RgdEJcawiA=
+go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
+go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
+go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
+go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/zap v1.27.1 h1:08RqriUEv8+ArZRYSTXy1LeBScaMpVSTBhCeaZYfMYc=
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 go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
 go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts=
 golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos=
+golang.org/x/exp v0.0.0-20230725093048-515e97ebf090 h1:Di6/M8l0O2lCLc6VVRWhgCiApHV8MnQurBnFSHsQtNY=
+golang.org/x/exp v0.0.0-20230725093048-515e97ebf090/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.7.0 h1:LapD9S96VoQRhi/GrNTqeBJFrUjs5UHCAtTlgwA5oZA=
 golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.32.0 h1:9F4d3PHLljb6x//jOyokMv3eX+YDeepZSEo3mFJy93c=
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 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.49.0 h1:eeHFmOGUTtaaPSGNmjBKpbng9MulQsJURQUAfUwY++o=
 golang.org/x/net v0.49.0/go.mod h1:/ysNB2EvaqvesRkuLAyjI1ycPZlQHM3q01F02UY/MV8=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
+golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.3.0 h1:SrNbZl6ECOS1qFzgTdQfWXZM9XBkiA6tkFrH9YSTPHM=
 golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
+golang.org/x/tools v0.41.0 h1:a9b8iMweWG+S0OBnlU36rzLp20z1Rp10w+IY2czHTQc=
+golang.org/x/tools v0.41.0/go.mod h1:XSY6eDqxVNiYgezAVqqCeihT4j1U2CCsqvH3WhQpnlg=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
 google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
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+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+rsc.io/qr v0.2.0 h1:6vBLea5/NRMVTz8V66gipeLycZMl/+UlFmk8DvqQ6WY=
+rsc.io/qr v0.2.0/go.mod h1:IF+uZjkb9fqyeF/4tlBoynqmQxUoPfWEKh921coOuXs=

mtglib/internal/telegram/address_pool.go

-package telegram
-
-import "math/rand"
-
-type addressPool struct {
-	v4 [][]tgAddr
-	v6 [][]tgAddr
-}
-
-func (a addressPool) isValidDC(dc int) bool {
-	return dc > 0 && dc <= len(a.v4) && dc <= len(a.v6)
-}
-
-func (a addressPool) getRandomDC() int {
-	return 1 + rand.Intn(len(a.v4))
-}
-
-func (a addressPool) getV4(dc int) []tgAddr {
-	return a.get(a.v4, dc-1)
-}
-
-func (a addressPool) getV6(dc int) []tgAddr {
-	return a.get(a.v6, dc-1)
-}
-
-func (a addressPool) get(addresses [][]tgAddr, dc int) []tgAddr {
-	if dc < 0 || dc >= len(addresses) {
-		return nil
-	}
-
-	rv := make([]tgAddr, len(addresses[dc]))
-	copy(rv, addresses[dc])
-
-	if len(rv) > 1 {
-		rand.Shuffle(len(rv), func(i, j int) {
-			rv[i], rv[j] = rv[j], rv[i]
-		})
-	}
-
-	return rv
-}

mtglib/internal/telegram/dc_addresses.go

+package telegram
+
+type dcAddresses struct {
+	v4 map[int][]tgAddr
+	v6 map[int][]tgAddr
+}
+
+func (a dcAddresses) getV4(dc int) []tgAddr {
+	return a.v4[dc]
+}
+
+func (a dcAddresses) getV6(dc int) []tgAddr {
+	return a.v6[dc]
+}
+
+func (a dcAddresses) isValidDC(dc int) bool {
+	_, ok := a.v4[dc]
+	return ok
+}

mtglib/internal/telegram/init.go

 import (
 	"context"
 	"errors"
+	"time"
 
 	"github.com/9seconds/mtg/v2/essentials"
 )
 	preferIPPreferIPv6
 )
 
+const (
+	defaultDC                    = 2
+	defaultUpdateDCAddressesEach = time.Hour
+	defaultAppID                 = 123456
+	defaultAppHash               = ""
+)
+
+type loggerInterface interface {
+	Info(msg string)
+	WarningError(msg string, err error)
+}
+
 type tgAddr struct {
 	network string
 	address string
 
 // https://github.com/telegramdesktop/tdesktop/blob/master/Telegram/SourceFiles/mtproto/mtproto_dc_options.cpp#L30
 var (
-	productionV4Addresses = [][]tgAddr{
-		{ // dc1
+	defaultV4Addresses = map[int][]tgAddr{
+		1: {
 			{network: "tcp4", address: "149.154.175.50:443"},
 		},
-		{ // dc2
+		2: {
 			{network: "tcp4", address: "149.154.167.51:443"},
 			{network: "tcp4", address: "95.161.76.100:443"},
 		},
-		{ // dc3
+		3: {
 			{network: "tcp4", address: "149.154.175.100:443"},
 		},
-		{ // dc4
+		4: {
 			{network: "tcp4", address: "149.154.167.91:443"},
 		},
-		{ // dc5
+		5: {
 			{network: "tcp4", address: "149.154.171.5:443"},
 		},
 	}
-	productionV6Addresses = [][]tgAddr{
-		{ // dc1
+	defaultV6Addresses = map[int][]tgAddr{
+		1: {
 			{network: "tcp6", address: "[2001:b28:f23d:f001::a]:443"},
 		},
-		{ // dc2
+		2: {
 			{network: "tcp6", address: "[2001:67c:04e8:f002::a]:443"},
 		},
-		{ // dc3
+		3: {
 			{network: "tcp6", address: "[2001:b28:f23d:f003::a]:443"},
 		},
-		{ // dc4
+		4: {
 			{network: "tcp6", address: "[2001:67c:04e8:f004::a]:443"},
 		},
-		{ // dc5
+		5: {
 			{network: "tcp6", address: "[2001:b28:f23f:f005::a]:443"},
 		},
 	}
-
-	testV4Addresses = [][]tgAddr{
-		{ // dc1
-			{network: "tcp4", address: "149.154.175.10:443"},
-		},
-		{ // dc2
-			{network: "tcp4", address: "149.154.167.40:443"},
-		},
-		{ // dc3
-			{network: "tcp4", address: "149.154.175.117:443"},
-		},
-	}
-	testV6Addresses = [][]tgAddr{
-		{ // dc1
-			{network: "tcp6", address: "[2001:b28:f23d:f001::e]:443"},
-		},
-		{ // dc2
-			{network: "tcp6", address: "[2001:67c:04e8:f002::e]:443"},
-		},
-		{ // dc3
-			{network: "tcp6", address: "[2001:b28:f23d:f003::e]:443"},
-		},
-	}
 )
 
 type Dialer interface {

mtglib/internal/telegram/rpc_client.go

+package telegram
+
+import (
+	"context"
+	"net"
+	"strconv"
+
+	"github.com/gotd/td/telegram"
+)
+
+type rpcClient struct {
+	*telegram.Client
+}
+
+func (r rpcClient) getDCAddresses(logger loggerInterface, ctx context.Context) (dcAddresses, error) {
+	addrs := dcAddresses{
+		v4: map[int][]tgAddr{},
+		v6: map[int][]tgAddr{},
+	}
+
+	err := r.Client.Run(ctx, func(_ context.Context) error {
+		for _, opt := range r.Client.Config().DCOptions {
+			addr := net.JoinHostPort(opt.IPAddress, strconv.Itoa(opt.Port))
+
+			if opt.Ipv6 {
+				addrs.v6[opt.ID] = append(addrs.v6[opt.ID], tgAddr{
+					network: "tcp6",
+					address: addr,
+				})
+			} else {
+				addrs.v4[opt.ID] = append(addrs.v4[opt.ID], tgAddr{
+					network: "tcp4",
+					address: addr,
+				})
+			}
+		}
+
+		return nil
+	})
+
+	return addrs, err
+}

mtglib/internal/telegram/telegram.go

 	"context"
 	"fmt"
 	"strings"
+	"sync"
+	"time"
 
 	"github.com/9seconds/mtg/v2/essentials"
+	"github.com/gotd/td/telegram"
 )
 
 type Telegram struct {
-	dialer   Dialer
-	preferIP preferIP
-	pool     addressPool
+	ctx       context.Context
+	ctxCancel context.CancelFunc
+	lock      sync.RWMutex
+
+	dialer    Dialer
+	preferIP  preferIP
+	addresses dcAddresses
+	rpc       rpcClient
 }
 
-func (t Telegram) Dial(ctx context.Context, dc int) (essentials.Conn, error) {
+func (t *Telegram) Dial(ctx context.Context, dc int) (essentials.Conn, error) {
 	var addresses []tgAddr
 
+	t.lock.RLock()
 	switch t.preferIP {
 	case preferIPOnlyIPv4:
-		addresses = t.pool.getV4(dc)
+		addresses = t.addresses.getV4(dc)
 	case preferIPOnlyIPv6:
-		addresses = t.pool.getV6(dc)
+		addresses = t.addresses.getV6(dc)
 	case preferIPPreferIPv4:
-		addresses = append(t.pool.getV4(dc), t.pool.getV6(dc)...)
+		addresses = append(t.addresses.getV4(dc), t.addresses.getV6(dc)...)
 	case preferIPPreferIPv6:
-		addresses = append(t.pool.getV6(dc), t.pool.getV4(dc)...)
+		addresses = append(t.addresses.getV6(dc), t.addresses.getV4(dc)...)
 	}
+	t.lock.RUnlock()
 
 	var conn essentials.Conn
 
 	return nil, fmt.Errorf("cannot dial to %d dc: %w", dc, err)
 }
 
-func (t Telegram) IsKnownDC(dc int) bool {
-	return t.pool.isValidDC(dc)
+func (t *Telegram) IsKnownDC(dc int) bool {
+	return t.addresses.isValidDC(dc)
+}
+
+func (t *Telegram) GetFallbackDC() int {
+	return defaultDC
+}
+
+func (t *Telegram) Shutdown() {
+	t.ctxCancel()
+}
+
+func (t *Telegram) Run(logger loggerInterface, updateEach time.Duration) {
+	if updateEach == 0 {
+		updateEach = defaultUpdateDCAddressesEach
+	}
+
+	t.update(logger)
+
+	ticker := time.NewTicker(updateEach)
+	defer func() {
+		ticker.Stop()
+
+		select {
+		case <-ticker.C:
+		default:
+		}
+	}()
+
+	for {
+		select {
+		case <-t.ctx.Done():
+			return
+		case <-ticker.C:
+			t.update(logger)
+		}
+	}
 }
 
-func (t Telegram) GetFallbackDC() int {
-	return t.pool.getRandomDC()
+func (t *Telegram) update(logger loggerInterface) {
+	otherAddresses, err := t.rpc.getDCAddresses(logger, t.ctx)
+	if err != nil {
+		logger.WarningError("Cannot update DC list", err)
+		return
+	}
+
+	t.lock.Lock()
+	t.addresses = otherAddresses
+	t.lock.Unlock()
+
+	logger.Info(fmt.Sprintf("DC are updated: %v", t.addresses))
 }
 
-func New(dialer Dialer, ipPreference string, useTestDCs bool) (*Telegram, error) {
+func New(dialer Dialer, ipPreference string) (*Telegram, error) {
 	var pref preferIP
 
 	switch strings.ToLower(ipPreference) {
 		return nil, fmt.Errorf("unknown ip preference %s", ipPreference)
 	}
 
-	pool := addressPool{
-		v4: productionV4Addresses,
-		v6: productionV6Addresses,
-	}
-	if useTestDCs {
-		pool.v4 = testV4Addresses
-		pool.v6 = testV6Addresses
-	}
+	ctx, cancel := context.WithCancel(context.Background())
 
 	return &Telegram{
-		dialer:   dialer,
-		preferIP: pref,
-		pool:     pool,
+		ctx:       ctx,
+		ctxCancel: cancel,
+		dialer:    dialer,
+		preferIP:  pref,
+		addresses: dcAddresses{
+			v4: defaultV4Addresses,
+			v6: defaultV6Addresses,
+		},
+		rpc: rpcClient{
+			Client: telegram.NewClient(defaultAppID, defaultAppHash, telegram.Options{}),
+		},
 	}, nil
 }

mtglib/proxy.go

 	p.ctxCancel()
 	p.streamWaitGroup.Wait()
 	p.workerPool.Release()
+	p.telegram.Shutdown()
 
 	p.allowlist.Shutdown()
 	p.blocklist.Shutdown()
 		return nil, fmt.Errorf("invalid settings: %w", err)
 	}
 
-	tg, err := telegram.New(opts.Network, opts.getPreferIP(), opts.UseTestDCs)
+	tg, err := telegram.New(opts.Network, opts.getPreferIP())
 	if err != nil {
 		return nil, fmt.Errorf("cannot build telegram dialer: %w", err)
 	}
 		telegram:                 tg,
 	}
 
+	go tg.Run(proxy.logger.Named("telegram"), 0)
+
 	pool, err := ants.NewPoolWithFunc(opts.getConcurrency(),
 		func(arg interface{}) {
 			proxy.ServeConn(arg.(essentials.Conn)) //nolint: forcetypeassert

mtglib/proxy_opts.go

 	// Telegram-related projects.
 	//
 	// This is an optional setting.
+	//
+	// OBSOLETE and DEPRECATED. Ignored.
 	UseTestDCs bool
 }