Merge pull request #17 from ensdomains/dns-owner

Dns owner

packages/ensjs/jest.config.ts

@@ -6,6 +6,7 @@ const config = {
     '^.+\\.(t|j)sx?$': ['@swc/jest'],
   },
   setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+  transformIgnorePatterns: []
 }
 
 export default config

packages/ensjs/package.json

@@ -28,6 +28,7 @@
     "generate-abis": "hardhat export-abi",
     "start": "ts-node --files src/index.test.ts",
     "test": "jest --run-in-band src/tests",
+    "test:watch": "jest --watch --run-in-band src/tests",
     "test:specific": "ts-node --files ",
     "clean": "rm -rf ./dist ./README.md ./LICENSE",
     "build:esm": "tsc --project tsconfig.esm.json",
@@ -57,6 +58,7 @@
     "@swc/jest": "^0.2.20",
     "@typechain/ethers-v5": "^10.0.0",
     "@types/bn.js": "^5.1.0",
+    "@types/dns-packet": "^5.2.4",
     "@types/jest": "^27.4.1",
     "dotenv": "^16.0.0",
     "ens-contracts": "github:ensdomains/ens-contracts#head=master&commit=3ecc56b14beb4aae8296f8a94f7c0d095e62fd93",
@@ -66,6 +68,8 @@
     "jest": "^27.5.1",
     "jest-environment-node": "^27.5.1",
     "jest-localstorage-mock": "^2.4.21",
+    "nock": "^13.2.8",
+    "node-fetch": "^3.2.6",
     "solc": "^0.8.13",
     "ts-jest": "^27.1.4",
     "ts-node": "^10.7.0",

packages/ensjs/src/tests/batch.test.ts → packages/ensjs/src/functions/batch.test.ts

@@ -1,5 +1,5 @@
 import { ENS } from '..'
-import setup from './setup'
+import setup from '../tests/setup'
 
 let ENSInstance: ENS
 

packages/ensjs/src/tests/batchWrappers.test.ts → packages/ensjs/src/functions/batchWrappers.test.ts

@@ -1,5 +1,5 @@
 import { ENS } from '..'
-import setup from './setup'
+import setup from '../tests/setup'
 
 let ENSInstance: ENS
 

packages/ensjs/src/tests/burnFuses.test.ts → packages/ensjs/src/functions/burnFuses.test.ts

@@ -1,7 +1,7 @@
 import { BigNumber, ethers } from 'ethers'
 import { ENS } from '..'
 import { namehash } from '../utils/normalise'
-import setup from './setup'
+import setup from '../tests/setup'
 
 let ENSInstance: ENS
 let revert: Awaited<ReturnType<typeof setup>>['revert']

packages/ensjs/src/tests/createSubname.test.ts → packages/ensjs/src/functions/createSubname.test.ts

@@ -1,7 +1,7 @@
 import { ethers } from 'ethers'
 import { ENS } from '..'
 import { namehash } from '../utils/normalise'
-import setup from './setup'
+import setup from '../tests/setup'
 
 let ENSInstance: ENS
 let revert: Awaited<ReturnType<typeof setup>>['revert']

packages/ensjs/src/tests/deleteSubname.test.ts → packages/ensjs/src/functions/deleteSubname.test.ts

@@ -1,7 +1,7 @@
 import { ethers } from 'ethers'
 import { ENS } from '..'
 import { namehash } from '../utils/normalise'
-import setup from './setup'
+import setup from '../tests/setup'
 
 let ENSInstance: ENS
 let revert: Awaited<ReturnType<typeof setup>>['revert']

packages/ensjs/src/functions/getDNSOwner.test.ts

@@ -0,0 +1,122 @@
+import * as packet from 'dns-packet'
+import fetch from 'node-fetch'
+import nock from 'nock'
+
+import getDNSOwner, { encodeURLParams } from './getDNSOwner'
+
+function hex_decode(string: string) {
+  let bytes: any[] = []
+  string.replace(/../g, function (pair) {
+    bytes.push(parseInt(pair, 16))
+  })
+  return new Uint8Array(bytes).buffer
+}
+
+describe('encodeURLParams', () => {
+  it('should encodeURLParams', () => {
+    const p: { [key: string]: string } = {
+      a: 'b',
+      c: 'd',
+    }
+    const expected = 'a=b&c=d'
+    const actual = encodeURLParams(p)
+    expect(actual).toEqual(expected)
+  })
+})
+
+describe('getDNSOwner', () => {
+  beforeAll(() => {
+    global.fetch = fetch
+  })
+  afterAll(() => {
+    global.fetch = undefined
+  })
+  it('should return the address from the result of a dnsQuery', async () => {
+    const dnsName = 'brantly.xyz'
+
+    const scope = nock('https://cloudflare-dns.com:443', {
+      encodedQueryParams: true,
+    })
+      .get('/dns-query')
+      .query((queryObject) => {
+        console.log('queryObject: ', queryObject)
+        return (
+          queryObject.ct === 'application/dns-udpwireformat' &&
+          queryObject.dns ===
+            'AAEBAAABAAAAAAABBF9lbnMHYnJhbnRseQN4eXoAABAAAQAAKRAAAACAAAAA'
+        )
+      })
+      .reply(
+        200,
+        Buffer.from(
+          hex_decode(
+            '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',
+          ),
+        ),
+        [
+          'Server',
+          'cloudflare',
+          'Date',
+          'Wed, 06 Jul 2022 23:37:28 GMT',
+          'Content-Type',
+          'application/dns-message',
+          'Connection',
+          'close',
+          'Access-Control-Allow-Origin',
+          '*',
+          'Content-Length',
+          '273',
+          'CF-RAY',
+          '726c2b1d3bab6b74-TPE',
+        ],
+      )
+    expect(await getDNSOwner(dnsName)).toEqual(
+      '0x983110309620D911731Ac0932219af06091b6744',
+    )
+  })
+  it('should throw if there is an error in the DNS query', async () => {
+    const dnsName = 'nick.xyz'
+
+    const scope = nock('https://cloudflare-dns.com:443', {
+      encodedQueryParams: true,
+    })
+      .get('/dns-query')
+      .query((queryObject) => {
+        console.log('queryObject: ', queryObject)
+        return (
+          queryObject.ct === 'application/dns-udpwireformat' &&
+          queryObject.dns ===
+            'AAEBAAABAAAAAAABBF9lbnMEbmljawN4eXoAABAAAQAAKRAAAACAAAAA'
+        )
+      })
+      .reply(
+        200,
+        Buffer.from(
+          hex_decode(
+            '000181830001000000010001045f656e73046e69636b0378797a0000100001c0110006000100000258003b046e7337310d646f6d61696e636f6e74726f6c03636f6d0003646e73056a6f6d6178036e6574007876d1800000708000001c2000093a800000025800002904d0000080000000',
+          ),
+        ),
+        [
+          'Server',
+          'cloudflare',
+          'Date',
+          'Wed, 06 Jul 2022 23:37:28 GMT',
+          'Content-Type',
+          'application/dns-message',
+          'Connection',
+          'close',
+          'Access-Control-Allow-Origin',
+          '*',
+          'Content-Length',
+          '273',
+          'CF-RAY',
+          '726c2b1d3bab6b74-TPE',
+        ],
+      )
+    try {
+      await getDNSOwner(dnsName)
+    } catch (error) {
+      expect(error.message).toEqual('DNS query failed: NXDOMAIN')
+    }
+  })
+})