diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..ef6885e0
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+Cargo.lock linguist-generated=true
+flake.lock linguist-generated=true
diff --git a/.gitignore b/.gitignore
index 026535e5..02d1224d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,7 @@
 .vscode
 /.envrc
 .idea
+.nlsp-settings
+.devenv*
+devenv.local.nix
+.direnv
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 120000
index 00000000..70e2baf8
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1 @@
+/nix/store/x0ajmrm01wvglrj88lvy0j1lvivy32g9-pre-commit-config.json
\ No newline at end of file
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..c438805c
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,271 @@
+{
+  "nodes": {
+    "devenv": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nix": "nix",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": "pre-commit-hooks"
+      },
+      "locked": {
+        "lastModified": 1671704144,
+        "narHash": "sha256-k+jPOOTeRFt1zzgb8gU+lnedbZs8dzscnlA0c29VFcQ=",
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "01fd16d1fd24ec2ace19ce1f3f3ce90038d9d042",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1671690212,
+        "narHash": "sha256-iLWnd/lyCIULpsJcFcrpA5JilMff7vzoniEcWLggp7o=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "645713f090f2e40ff6b072a10b1d890e5ee6ea23",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1668681692,
+        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "devenv",
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1660459072,
+        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "lowdown-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1633514407,
+        "narHash": "sha256-Dw32tiMjdK9t3ETl5fzGrutQTzh2rufgZV4A/BbxuD4=",
+        "owner": "kristapsdz",
+        "repo": "lowdown",
+        "rev": "d2c2b44ff6c27b936ec27358a2653caaef8f73b8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kristapsdz",
+        "repo": "lowdown",
+        "type": "github"
+      }
+    },
+    "nix": {
+      "inputs": {
+        "lowdown-src": "lowdown-src",
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ],
+        "nixpkgs-regression": "nixpkgs-regression"
+      },
+      "locked": {
+        "lastModified": 1671638174,
+        "narHash": "sha256-FeEmVix8l/HglWtRgeHOfjqEm2etvp+MLYd1C/raq3Y=",
+        "owner": "domenkozar",
+        "repo": "nix",
+        "rev": "51b770e985f9e1b84fb5e03a983ef1e19f18c3e9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "domenkozar",
+        "ref": "relaxed-flakes",
+        "repo": "nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1671458120,
+        "narHash": "sha256-2+k/OONN4OF21TeoNjKB5sXVZv6Zvm/uEyQIW9OYCg8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e37ef84b478fa8da0ced96522adfd956fde9047a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-regression": {
+      "locked": {
+        "lastModified": 1643052045,
+        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1671271954,
+        "narHash": "sha256-cSvu+bnvN08sOlTBWbBrKaBHQZq8mvk8bgpt0ZJ2Snc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d513b448cc2a6da2c8803e3c197c9fc7e67b19e3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1671458120,
+        "narHash": "sha256-2+k/OONN4OF21TeoNjKB5sXVZv6Zvm/uEyQIW9OYCg8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e37ef84b478fa8da0ced96522adfd956fde9047a",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": [
+          "devenv",
+          "flake-compat"
+        ],
+        "flake-utils": "flake-utils",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1671452357,
+        "narHash": "sha256-HqzXiQEegpRQ4VEl9pEPgHSIxhJrNJ27HfN1wOc7w2E=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "200790e9c77064c53eaf95805b013d96615ecc27",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "fenix": "fenix",
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1671659018,
+        "narHash": "sha256-y3btK8GxfZG599y0Y6yfMjPs4jz72Eej9FuWUMPrB7A=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "271f7b44d3d71db2ec2d0cd1a8a59aa16f902d49",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..64a21c7b
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,58 @@
+{
+  inputs = {
+    devenv.url = "github:cachix/devenv";
+    flake-utils.url = "github:numtide/flake-utils";
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    { self
+    , nixpkgs
+    , flake-utils
+    , fenix
+    , devenv
+    } @ inputs:
+    flake-utils.lib.eachDefaultSystem (system:
+    let pkgs = import nixpkgs {
+      inherit system;
+    };
+    in
+    {
+      devShell = devenv.lib.mkShell {
+        inherit inputs pkgs;
+
+        modules = [
+          {
+            packages = with pkgs; [
+              solc
+            ] ++ lib.optionals stdenv.isDarwin (with darwin.apple_sdk; [
+              libiconv
+              frameworks.Security
+            ]);
+
+            # https://devenv.sh/languages/
+            languages.nix.enable = true;
+            languages.rust = {
+              enable = true;
+              version = "stable";
+              packages = {
+                rustfmt = inputs.fenix.packages.${pkgs.system}.latest.rustfmt;
+                clippy = inputs.fenix.packages.${pkgs.system}.latest.clippy;
+              };
+            };
+
+            # https://devenv.sh/pre-commit-hooks/
+            pre-commit.hooks = {
+              shellcheck.enable = true;
+
+              clippy.enable = true;
+              rustfmt.enable = true;
+            };
+          }
+        ];
+      };
+    });
+}