feat(ramps): adds ramps controller with geolocation state

README.md

@@ -71,13 +71,15 @@ Each package in this repository has its own README where you can find installati
 - [`@metamask/preferences-controller`](packages/preferences-controller)
 - [`@metamask/profile-metrics-controller`](packages/profile-metrics-controller)
 - [`@metamask/profile-sync-controller`](packages/profile-sync-controller)
+- [`@metamask/ramps-controller`](packages/ramps-controller)
 - [`@metamask/rate-limit-controller`](packages/rate-limit-controller)
 - [`@metamask/remote-feature-flag-controller`](packages/remote-feature-flag-controller)
 - [`@metamask/sample-controllers`](packages/sample-controllers)
 - [`@metamask/seedless-onboarding-controller`](packages/seedless-onboarding-controller)
 - [`@metamask/selected-network-controller`](packages/selected-network-controller)
 - [`@metamask/shield-controller`](packages/shield-controller)
 - [`@metamask/signature-controller`](packages/signature-controller)
+- [`@metamask/storage-service`](packages/storage-service)
 - [`@metamask/subscription-controller`](packages/subscription-controller)
 - [`@metamask/token-search-discovery-controller`](packages/token-search-discovery-controller)
 - [`@metamask/transaction-controller`](packages/transaction-controller)
@@ -143,13 +145,15 @@ linkStyle default opacity:0.5
   preferences_controller(["@metamask/preferences-controller"]);
   profile_metrics_controller(["@metamask/profile-metrics-controller"]);
   profile_sync_controller(["@metamask/profile-sync-controller"]);
+  ramps_controller(["@metamask/ramps-controller"]);
   rate_limit_controller(["@metamask/rate-limit-controller"]);
   remote_feature_flag_controller(["@metamask/remote-feature-flag-controller"]);
   sample_controllers(["@metamask/sample-controllers"]);
   seedless_onboarding_controller(["@metamask/seedless-onboarding-controller"]);
   selected_network_controller(["@metamask/selected-network-controller"]);
   shield_controller(["@metamask/shield-controller"]);
   signature_controller(["@metamask/signature-controller"]);
+  storage_service(["@metamask/storage-service"]);
   subscription_controller(["@metamask/subscription-controller"]);
   token_search_discovery_controller(["@metamask/token-search-discovery-controller"]);
   transaction_controller(["@metamask/transaction-controller"]);
@@ -343,9 +347,12 @@ linkStyle default opacity:0.5
   preferences_controller --> controller_utils;
   preferences_controller --> keyring_controller;
   preferences_controller --> messenger;
+  profile_metrics_controller --> accounts_controller;
   profile_metrics_controller --> base_controller;
   profile_metrics_controller --> controller_utils;
+  profile_metrics_controller --> keyring_controller;
   profile_metrics_controller --> messenger;
+  profile_metrics_controller --> polling_controller;
   profile_metrics_controller --> profile_sync_controller;
   profile_sync_controller --> address_book_controller;
   profile_sync_controller --> base_controller;
@@ -382,6 +389,7 @@ linkStyle default opacity:0.5
   signature_controller --> logging_controller;
   signature_controller --> messenger;
   signature_controller --> network_controller;
+  storage_service --> messenger;
   subscription_controller --> base_controller;
   subscription_controller --> controller_utils;
   subscription_controller --> messenger;

packages/ramps-controller/CHANGELOG.md

@@ -0,0 +1,17 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+
+- Initial release ([#7316](https://github.com/MetaMask/core/pull/7316))
+  - Add `RampsController` for managing on/off ramps state
+  - Add `OnRampService` for interacting with the OnRamp API
+  - Add geolocation detection via IP address lookup
+
+[Unreleased]: https://github.com/MetaMask/core/

packages/ramps-controller/LICENSE

@@ -0,0 +1,20 @@
+MIT License
+
+Copyright (c) 2025 MetaMask
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

packages/ramps-controller/README.md

@@ -0,0 +1,15 @@
+# `@metamask/ramps-controller`
+
+A controller for managing cryptocurrency on/off ramps functionality.
+
+## Installation
+
+`yarn add @metamask/ramps-controller`
+
+or
+
+`npm install @metamask/ramps-controller`
+
+## Contributing
+
+This package is part of a monorepo. Instructions for contributing can be found in the [monorepo README](https://github.com/MetaMask/core#readme).

packages/ramps-controller/jest.config.js

@@ -0,0 +1,26 @@
+/*
+ * For a detailed explanation regarding each configuration property and type check, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+const merge = require('deepmerge');
+const path = require('path');
+
+const baseConfig = require('../../jest.config.packages');
+
+const displayName = path.basename(__dirname);
+
+module.exports = merge(baseConfig, {
+  // The display name when running multiple projects
+  displayName,
+
+  // An object that configures minimum threshold enforcement for coverage results
+  coverageThreshold: {
+    global: {
+      branches: 100,
+      functions: 100,
+      lines: 100,
+      statements: 100,
+    },
+  },
+});

packages/ramps-controller/package.json

@@ -0,0 +1,72 @@
+{
+  "name": "@metamask/ramps-controller",
+  "version": "0.0.0",
+  "description": "A controller for managing cryptocurrency on/off ramps functionality.",
+  "keywords": [
+    "MetaMask",
+    "Ethereum"
+  ],
+  "homepage": "https://github.com/MetaMask/core/tree/main/packages/ramps-controller#readme",
+  "bugs": {
+    "url": "https://github.com/MetaMask/core/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/MetaMask/core.git"
+  },
+  "license": "MIT",
+  "sideEffects": false,
+  "exports": {
+    ".": {
+      "import": {
+        "types": "./dist/index.d.mts",
+        "default": "./dist/index.mjs"
+      },
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      }
+    },
+    "./package.json": "./package.json"
+  },
+  "main": "./dist/index.cjs",
+  "types": "./dist/index.d.cts",
+  "files": [
+    "dist/"
+  ],
+  "scripts": {
+    "build": "ts-bridge --project tsconfig.build.json --verbose --clean --no-references",
+    "build:all": "ts-bridge --project tsconfig.build.json --verbose --clean",
+    "build:docs": "typedoc",
+    "changelog:update": "../../scripts/update-changelog.sh @metamask/ramps-controller",
+    "changelog:validate": "../../scripts/validate-changelog.sh @metamask/ramps-controller",
+    "publish:preview": "yarn npm publish --tag preview",
+    "since-latest-release": "../../scripts/since-latest-release.sh",
+    "test": "NODE_OPTIONS=--experimental-vm-modules jest --reporters=jest-silent-reporter",
+    "test:clean": "NODE_OPTIONS=--experimental-vm-modules jest --clearCache",
+    "test:verbose": "NODE_OPTIONS=--experimental-vm-modules jest --verbose",
+    "test:watch": "NODE_OPTIONS=--experimental-vm-modules jest --watch"
+  },
+  "dependencies": {
+    "@metamask/base-controller": "^9.0.0",
+    "@metamask/messenger": "^0.3.0"
+  },
+  "devDependencies": {
+    "@metamask/auto-changelog": "^3.4.4",
+    "@ts-bridge/cli": "^0.6.4",
+    "@types/jest": "^27.4.1",
+    "deepmerge": "^4.2.2",
+    "jest": "^27.5.1",
+    "ts-jest": "^27.1.4",
+    "typedoc": "^0.24.8",
+    "typedoc-plugin-missing-exports": "^2.0.0",
+    "typescript": "~5.3.3"
+  },
+  "engines": {
+    "node": "^18.18 || >=20"
+  },
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  }
+}

packages/ramps-controller/src/OnRampService-method-action-types.ts

@@ -0,0 +1,15 @@
+import type { OnRampService } from './OnRampService';
+
+/**
+ * Gets the user's geolocation based on their IP address.
+ */
+export type OnRampServiceGetGeolocationAction = {
+  type: `OnRampService:getGeolocation`;
+  handler: OnRampService['getGeolocation'];
+};
+
+/**
+ * Union of all OnRampService action types.
+ */
+export type OnRampServiceMethodActions = OnRampServiceGetGeolocationAction;
+