custom faucet hosts and various typing fixes for NFT support that were originally missed (#1882)

* various typing fixes for NFT support that were originally missed

* add optional faucet URL to fundWallet

* run docgen and commit changes

* fixes integration tests

packages/xrpl/test/integration/fundWallet.ts

@@ -40,6 +40,7 @@ describe('fundWallet', function () {
 
     await api.disconnect()
   })
+
   it('submit generates a devnet wallet', async function () {
     const api = new Client('wss://s.devnet.rippletest.net:51233')
 
@@ -67,4 +68,36 @@ describe('fundWallet', function () {
 
     await api.disconnect()
   })
+
+  it('can generate and fund wallets using a custom host', async function () {
+    const api = new Client('ws://xls20-sandbox.rippletest.net:51233')
+
+    await api.connect()
+    const { wallet, balance } = await api.fundWallet(null, {
+      faucetHost: 'faucet-nft.ripple.com',
+    })
+
+    assert.notEqual(wallet, undefined)
+    assert(isValidClassicAddress(wallet.classicAddress))
+    assert(isValidXAddress(wallet.getXAddress()))
+
+    const info = await api.request({
+      command: 'account_info',
+      account: wallet.classicAddress,
+    })
+
+    assert.equal(dropsToXrp(info.result.account_data.Balance), balance)
+
+    const { balance: newBalance } = await api.fundWallet(wallet, {
+      faucetHost: 'faucet-nft.ripple.com',
+    })
+
+    const afterSent = await api.request({
+      command: 'account_info',
+      account: wallet.classicAddress,
+    })
+    assert.equal(dropsToXrp(afterSent.result.account_data.Balance), newBalance)
+
+    await api.disconnect()
+  })
 })