Add parseNFTokenID and tests (#1961)

* Add parseNFTokenID and tests

* Lint

* Move parseNFTokenID to utils

* Lint

* Move the NFTokenID into models

* Move NFTokenID type out of models

* Lint

* Remove extra type and lint

packages/xrpl/test/utils/parseNFTokenID.ts

@@ -0,0 +1,27 @@
+import { assert } from 'chai'
+import { parseNFTokenID } from 'xrpl-local'
+
+import { assertResultMatch } from '../testUtils'
+
+describe('parseNFTokenID', function () {
+  it('decode a valid NFTokenID', function () {
+    const tokenID =
+      '000B0539C35B55AA096BA6D87A6E6C965A6534150DC56E5E12C5D09E0000000C'
+    const result = parseNFTokenID(tokenID)
+    const expected = {
+      TokenID: tokenID,
+      Flags: 11,
+      TransferFee: 1337,
+      Issuer: 'rJoxBSzpXhPtAuqFmqxQtGKjA13jUJWthE',
+      Taxon: 1337,
+      Sequence: 12,
+    }
+    assertResultMatch(result, expected)
+  })
+
+  it('fail when given invalid NFTokenID', function () {
+    assert.throws(() => {
+      parseNFTokenID('ABCD')
+    })
+  })
+})