Rename RippleAPI client to Client (#1520)

* rename RippleAPI -> XrplClient

* more renames

* move API stuff to client folder

* rename all api -> client

* fix tests

* make tests run

* fix integ tests

* fix urls

* fix merge issues

* XrplClient -> Client

* fix merge issues

* rename xrpl-client npm symlink to xrpl-local

test/client/prepareTicket/index.ts

@@ -0,0 +1,56 @@
+import {assertResultMatch, TestSuite} from '../../utils'
+// import responses from '../../fixtures/responses'
+// import requests from '../../fixtures/requests'
+// import {ValidationError} from 'xrpl-local/common/errors'
+// import binary from 'ripple-binary-codec'
+// import assert from 'assert-diff'
+// import {Client} from 'xrpl-local'
+
+// const {schemaValidator} = Client._PRIVATE
+// const instructionsWithMaxLedgerVersionOffset = {maxLedgerVersionOffset: 100}
+// const {preparePayment: REQUEST_FIXTURES} = requests
+// const {preparePayment: RESPONSE_FIXTURES} = responses
+// const ADDRESS = 'rpZc4mVfWUif9CRoHRKKcmhu1nx2xktxBo'
+
+/**
+ * Every test suite exports their tests in the default object.
+ * - Check out the "TestSuite" type for documentation on the interface.
+ * - Check out "test/client/index.ts" for more information about the test runner.
+ */
+export default <TestSuite>{
+  'creates a ticket successfully with a sequence number': async (
+    client,
+    address
+  ) => {
+    const expected = {
+      txJSON:
+        '{"TransactionType":"TicketCreate", "TicketCount": 2, "Account":"r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59","Flags":2147483648,"LastLedgerSequence":8819954,"Sequence":23,"Fee":"12"}',
+      instructions: {
+        maxLedgerVersion: 8819954,
+        sequence: 23,
+        fee: '0.000012'
+      }
+    }
+    const response = await client.prepareTicketCreate(address, 2)
+    assertResultMatch(response, expected, 'prepare')
+  },
+
+  'creates a ticket successfully with another ticket': async (client, address) => {
+    const expected = {
+      txJSON:
+        '{"TransactionType":"TicketCreate", "TicketCount": 1, "Account":"r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59","Flags":2147483648,"LastLedgerSequence":8819954,"Sequence": 0,"TicketSequence":23,"Fee":"12"}',
+      instructions: {
+        maxLedgerVersion: 8819954,
+        ticketSequence: 23,
+        fee: '0.000012'
+      }
+    }
+    const instructions = {
+      maxLedgerVersion: 8819954,
+      ticketSequence: 23,
+      fee: '0.000012'
+    }
+    const response = await client.prepareTicketCreate(address, 1, instructions)
+    assertResultMatch(response, expected, 'prepare')
+  }
+}