feat(opdata-3656): generated EA

package.json

@@ -77,5 +77,10 @@
   "resolutions": {
     "ethereum-cryptography@^1.1.2": "patch:ethereum-cryptography@npm%3A1.1.2#./.yarn/patches/ethereum-cryptography-npm-1.1.2-c16cfd7e8a.patch",
     "ethereum-cryptography@^1.0.3": "patch:ethereum-cryptography@npm%3A1.1.2#./.yarn/patches/ethereum-cryptography-npm-1.1.2-c16cfd7e8a.patch"
+  },
+  "dependenciesMeta": {
+    "@chainlink/external-adapter-framework@2.9.0": {
+      "unplugged": true
+    }
   }
 }

packages/sources/copper/README.md

@@ -0,0 +1,3 @@
+# Chainlink External Adapter for example-adapter
+
+This README will be generated automatically when code is merged to `main`. If you would like to generate a preview of the README, please run `yarn generate:readme example-adapter`.

packages/sources/copper/package.json

@@ -0,0 +1,45 @@
+{
+  "name": "@chainlink/copper-adapter",
+  "version": "0.0.0",
+  "description": "Chainlink copper adapter.",
+  "keywords": [
+    "Chainlink",
+    "LINK",
+    "blockchain",
+    "oracle",
+    "copper"
+  ],
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "files": [
+    "dist"
+  ],
+  "repository": {
+    "url": "https://github.com/smartcontractkit/external-adapters-js",
+    "type": "git"
+  },
+  "license": "MIT",
+  "scripts": {
+    "clean": "rm -rf dist && rm -f tsconfig.tsbuildinfo",
+    "prepack": "yarn build",
+    "build": "tsc -b",
+    "server": "node -e 'require(\"./index.js\").server()'",
+    "server:dist": "node -e 'require(\"./dist/index.js\").server()'",
+    "start": "yarn server:dist"
+  },
+  "devDependencies": {
+    "@sinonjs/fake-timers": "9.1.2",
+    "@types/jest": "^29.5.14",
+    "@types/node": "22.14.1",
+    "@types/sinonjs__fake-timers": "8.1.5",
+    "nock": "13.5.6",
+    "typescript": "5.8.3"
+  },
+  "dependencies": {
+    "@chainlink/external-adapter-framework": "2.11.4",
+    "axios": "1.13.4",
+    "decimal.js": "10.5.0",
+    "ethers": "^6.13.2",
+    "tslib": "2.4.1"
+  }
+}

packages/sources/copper/src/config/index.ts

@@ -0,0 +1,88 @@
+import { AdapterConfig } from '@chainlink/external-adapter-framework/config'
+
+export const config = new AdapterConfig({
+  COPPER_API_KEY: {
+    description: 'Copper API key for authentication',
+    type: 'string',
+    required: true,
+    sensitive: true,
+  },
+  COPPER_API_SECRET: {
+    description: 'Copper API secret for HMAC signature generation',
+    type: 'string',
+    required: true,
+    sensitive: true,
+  },
+  API_ENDPOINT: {
+    description: 'Copper platform API endpoint',
+    type: 'string',
+    default: 'https://api.copper.co/platform',
+  },
+  ETHEREUM_RPC_URL: {
+    description: 'Ethereum RPC URL for reading Chainlink price feeds',
+    type: 'string',
+    required: true,
+    sensitive: true,
+  },
+  ETHEREUM_CHAIN_ID: {
+    description: 'Ethereum chain ID',
+    type: 'number',
+    default: 1,
+  },
+  BTC_USD_FEED_ADDRESS: {
+    description: 'Chainlink BTC/USD price feed address on Ethereum mainnet',
+    type: 'string',
+    default: '0xF4030086522a5bEEa4988F8cA5B36dbC97BeE88c',
+  },
+  ETH_USD_FEED_ADDRESS: {
+    description: 'Chainlink ETH/USD price feed address on Ethereum mainnet',
+    type: 'string',
+    default: '0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419',
+  },
+  SOL_USD_FEED_ADDRESS: {
+    description: 'Chainlink SOL/USD price feed address on Ethereum mainnet',
+    type: 'string',
+    default: '0x4ffC43a60e009B551865A93d232E33Fce9f01507',
+  },
+  USDC_USD_FEED_ADDRESS: {
+    description: 'Chainlink USDC/USD price feed address on Ethereum mainnet',
+    type: 'string',
+    default: '0x8fFfFfd4AfB6115b954Bd326cbe7B4BA576818f6',
+  },
+  USDT_USD_FEED_ADDRESS: {
+    description: 'Chainlink USDT/USD price feed address on Ethereum mainnet',
+    type: 'string',
+    default: '0x3E7d1eAB13ad0104d2750B8863b489D65364e32D',
+  },
+  USYC_USD_FEED_ADDRESS: {
+    description: 'Chainlink USYC/USD price feed address on Ethereum mainnet',
+    type: 'string',
+    required: true,
+  },
+  OUSG_USD_FEED_ADDRESS: {
+    description: 'Chainlink OUSG/USD price feed address on Ethereum mainnet',
+    type: 'string',
+    required: true,
+  },
+  JTRSY_USD_FEED_ADDRESS: {
+    description: 'Chainlink JTRSY/USD price feed address on Ethereum mainnet',
+    type: 'string',
+    required: true,
+  },
+  SUPERSTATE_API_ENDPOINT: {
+    description: 'Superstate API endpoint for USTB NAV pricing',
+    type: 'string',
+    default: 'https://api.superstate.co',
+  },
+  USTB_FUND_ID: {
+    description: 'Superstate USTB fund ID',
+    type: 'number',
+    default: 1,
+  },
+  BACKGROUND_EXECUTE_MS: {
+    description:
+      'The amount of time the background execute should sleep before performing the next request',
+    type: 'number',
+    default: 10000,
+  },
+})

packages/sources/copper/src/config/overrides.json

@@ -0,0 +1,3 @@
+{
+  "copper": {}
+}

packages/sources/copper/src/endpoint/index.ts

@@ -0,0 +1 @@
+export { endpoint as reserves } from './reserves'

packages/sources/copper/src/endpoint/reserves.ts

@@ -0,0 +1,18 @@
+import {
+  PoRProviderEndpoint,
+  PoRProviderResponse,
+} from '@chainlink/external-adapter-framework/adapter/por'
+import { EmptyInputParameters } from '@chainlink/external-adapter-framework/validation/input-params'
+import { config } from '../config'
+import { reservesTransport } from '../transport/reserves'
+
+export type BaseEndpointTypes = {
+  Parameters: EmptyInputParameters
+  Response: PoRProviderResponse
+  Settings: typeof config.settings
+}
+
+export const endpoint = new PoRProviderEndpoint({
+  name: 'reserves',
+  transport: reservesTransport,
+})

packages/sources/copper/src/index.ts

@@ -0,0 +1,21 @@
+import { expose, ServerInstance } from '@chainlink/external-adapter-framework'
+import { PoRAdapter } from '@chainlink/external-adapter-framework/adapter/por'
+import { config } from './config'
+import { reserves } from './endpoint'
+
+export const adapter = new PoRAdapter({
+  defaultEndpoint: reserves.name,
+  name: 'COPPER',
+  config,
+  endpoints: [reserves],
+  rateLimiting: {
+    tiers: {
+      default: {
+        rateLimit1m: 6,
+        note: 'Copper API rate limit',
+      },
+    },
+  },
+})
+
+export const server = (): Promise<ServerInstance | undefined> => expose(adapter)