diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..437a1ae
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,2 @@
+use flake
+dotenv
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 0ac0f88..0017b70 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,6 @@ tonutils-bridge
 .env
 config.json
 wsbridge/testdata/.wallet.json
+result
+.kilo
+.direnv
\ No newline at end of file
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..7943fde
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,82 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gomod2nix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1770585520,
+        "narHash": "sha256-yBz9Ozd5Wb56i3e3cHZ8WcbzCQ9RlVaiW18qDYA/AzA=",
+        "owner": "nix-community",
+        "repo": "gomod2nix",
+        "rev": "1201ddd1279c35497754f016ef33d5e060f3da8d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "gomod2nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1775002709,
+        "narHash": "sha256-d3Yx83vSrN+2z/loBh4mJpyRqr9aAJqlke4TkpFmRJA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "bcd464ccd2a1a7cd09aa2f8d4ffba83b761b1d0e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "gomod2nix": "gomod2nix",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..da3199e
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,70 @@
+{
+  description = "TON Utils Bridge — WebSocket bridge for TON blockchain";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    gomod2nix.url = "github:nix-community/gomod2nix";
+    gomod2nix.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, gomod2nix }:
+    let
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin" ];
+      forEachSystem = nixpkgs.lib.genAttrs supportedSystems;
+    in
+    {
+      packages = forEachSystem (system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          inherit (gomod2nix.legacyPackages.${system}) buildGoApplication;
+        in
+        {
+          default = buildGoApplication rec {
+            pname = "tonutils-bridge";
+            version = "0.1.0";
+
+            src = builtins.path { path = ./.; name = "source"; };
+
+            modules = ./gomod2nix.toml;
+
+            pwd = src;
+
+            subPackages = [ "." ];
+
+            ldflags = [ "-s" "-w" ];
+
+            meta = with pkgs.lib; {
+              description = "WebSocket bridge for TON blockchain (tonutils-go)";
+              homepage = "https://github.com/TONresistor/tonutils-bridge";
+              license = licenses.mit; # adjust if LICENSE says otherwise
+              mainProgram = "tonutils-bridge";
+              platforms = supportedSystems;
+            };
+          };
+        }
+      );
+
+      devShells = forEachSystem (system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          bridge = self.packages.${system}.default;
+        in
+        {
+          default = pkgs.mkShell {
+            packages = with pkgs; [
+              go
+              gopls
+              (pkgs.writeShellScriptBin "run-bridge" ''
+                exec ${bridge}/bin/tonutils-bridge "$@"
+              '')
+            ];
+
+            shellHook = ''
+              echo "🌉  tonutils-bridge dev shell"
+              echo "  run-bridge [args…]  → run the built bridge"
+            '';
+          };
+        }
+      );
+    };
+}
diff --git a/gomod2nix.toml b/gomod2nix.toml
new file mode 100644
index 0000000..86a4966
--- /dev/null
+++ b/gomod2nix.toml
@@ -0,0 +1,90 @@
+schema = 3
+
+[mod]
+  [mod.'filippo.io/edwards25519']
+    version = 'v1.1.0'
+    hash = 'sha256-9ACANrgWZSd5HYPfDZHY8DVbPSC9LOMgy8deq3rDOoc='
+
+  [mod.'github.com/beorn7/perks']
+    version = 'v1.0.1'
+    hash = 'sha256-h75GUqfwJKngCJQVE5Ao5wnO3cfKD9lSIteoLp/3xJ4='
+
+  [mod.'github.com/cespare/xxhash/v2']
+    version = 'v2.3.0'
+    hash = 'sha256-7hRlwSR+fos1kx4VZmJ/7snR7zHh8ZFKX+qqqqGcQpY='
+
+  [mod.'github.com/golang/snappy']
+    version = 'v1.0.0'
+    hash = 'sha256-o/S91mX4ysjuG/oRHLs8qSyfb1Risf/YzMuW5u7d3U4='
+
+  [mod.'github.com/gorilla/websocket']
+    version = 'v1.5.3'
+    hash = 'sha256-vTIGEFMEi+30ZdO6ffMNJ/kId6pZs5bbyqov8xe9BM0='
+
+  [mod.'github.com/kevinms/leakybucket-go']
+    version = 'v0.0.0-20200115003610-082473db97ca'
+    hash = 'sha256-moXd9sQs/KcOyHGo8XgZgCPFblnhWQB08NMxdAhzn/w='
+
+  [mod.'github.com/mattn/go-colorable']
+    version = 'v0.1.14'
+    hash = 'sha256-JC60PjKj7MvhZmUHTZ9p372FV72I9Mxvli3fivTbxuA='
+
+  [mod.'github.com/mattn/go-isatty']
+    version = 'v0.0.20'
+    hash = 'sha256-qhw9hWtU5wnyFyuMbKx+7RB8ckQaFQ8D+8GKPkN3HHQ='
+
+  [mod.'github.com/munnerz/goautoneg']
+    version = 'v0.0.0-20191010083416-a7dc8b61c822'
+    hash = 'sha256-79URDDFenmGc9JZu+5AXHToMrtTREHb3BC84b/gym9Q='
+
+  [mod.'github.com/prometheus/client_golang']
+    version = 'v1.22.0'
+    hash = 'sha256-OJ/9rlWG1DIPQJAZUTzjykkX0o+f+4IKLvW8YityaMQ='
+
+  [mod.'github.com/prometheus/client_model']
+    version = 'v0.6.1'
+    hash = 'sha256-rIDyUzNfxRA934PIoySR0EhuBbZVRK/25Jlc/r8WODw='
+
+  [mod.'github.com/prometheus/common']
+    version = 'v0.62.0'
+    hash = 'sha256-UFccvzMJaBrUpnqVgZgohRcgk5SKMi/UJnXNtazCnx8='
+
+  [mod.'github.com/prometheus/procfs']
+    version = 'v0.15.1'
+    hash = 'sha256-H+WXJemFFwdoglmD6p7JRjrJJZmIVAmJwYmLbZ8Q9sw='
+
+  [mod.'github.com/rs/zerolog']
+    version = 'v1.34.0'
+    hash = 'sha256-M503WwzPvqbOas3f70FQNXoWG17eV/XU6FubtB6P0uo='
+
+  [mod.'github.com/syndtr/goleveldb']
+    version = 'v1.0.0'
+    hash = 'sha256-rW7SW6nehede0oMZo4NBatM6Eizbnlb7xYoX/dcDUxA='
+
+  [mod.'github.com/ton-blockchain/adnl-tunnel']
+    version = 'v0.1.8'
+    hash = 'sha256-2a2lAgB42rtFhWyOKLK1Wb8AGVevV8iYlI59pMMYNiw='
+
+  [mod.'github.com/xssnick/raptorq']
+    version = 'v1.3.0'
+    hash = 'sha256-lojoKrd1hVNX89FQOuZ/COemkPFGjDZ5A47q2uwgWRc='
+
+  [mod.'github.com/xssnick/ton-payment-network']
+    version = 'v1.2.3'
+    hash = 'sha256-1ocZtq2/8FoKgnRk79btSxmaHxhGHP2IZAsF9JNmwDk='
+
+  [mod.'github.com/xssnick/tonutils-go']
+    version = 'v1.15.5'
+    hash = 'sha256-ZuTy3hJsQKvcRUEHzs022UfjJ/xBh/iOo0YIFhjPR2I='
+
+  [mod.'golang.org/x/crypto']
+    version = 'v0.42.0'
+    hash = 'sha256-qa6cGxZUhVnbkpVzfvLGQQsl/NCqNceJp9SIx5vkyiI='
+
+  [mod.'golang.org/x/sys']
+    version = 'v0.36.0'
+    hash = 'sha256-9h4SHGnlJzmTENUp6226hC8fQ73QrQC3D85NNMxLuXg='
+
+  [mod.'google.golang.org/protobuf']
+    version = 'v1.36.5'
+    hash = 'sha256-isupBiQUrKPEFzK94k5cgzM3Ab5fMXp352/zcsXV1JU='