Add getPaymentChannel

test/api-test.js

@@ -1113,6 +1113,45 @@ describe('RippleAPI', function() {
 
   });
 
+  it('getPaymentChannel', function() {
+    const channelId =
+      'E30E709CF009A1F26E0E5C48F7AA1BFB79393764F15FB108BDC6E06D3CBD8415';
+    return this.api.getPaymentChannel(channelId).then(
+      _.partial(checkResult, responses.getPaymentChannel.normal,
+        'getPaymentChannel'));
+  });
+
+  it('getPaymentChannel - full', function() {
+    const channelId =
+      'D77CD4713AA08195E6B6D0E5BC023DA11B052EBFF0B5B22EDA8AE85345BCF661';
+    return this.api.getPaymentChannel(channelId).then(
+      _.partial(checkResult, responses.getPaymentChannel.full,
+        'getPaymentChannel'));
+  });
+
+  it('getPaymentChannel - not found', function() {
+    const channelId =
+      'DFA557EA3497585BFE83F0F97CC8E4530BBB99967736BB95225C7F0C13ACE708';
+    return this.api.getPaymentChannel(channelId).then(() => {
+      assert(false, 'Should throw entryNotFound');
+    }).catch(error => {
+      assert(error instanceof this.api.errors.RippledError);
+      assert(_.includes(error.message, 'entryNotFound'));
+    });
+  });
+
+  it('getPaymentChannel - wrong type', function() {
+    const channelId =
+      '8EF9CCB9D85458C8D020B3452848BBB42EAFDDDB69A93DD9D1223741A4CA562B';
+    return this.api.getPaymentChannel(channelId).then(() => {
+      assert(false, 'Should throw NotFoundError');
+    }).catch(error => {
+      assert(_.includes(error.message,
+        'Payment channel ledger entry not found'));
+      assert(error instanceof this.api.errors.NotFoundError);
+    });
+  });
+
   it('getServerInfo', function() {
     return this.api.getServerInfo().then(
       _.partial(checkResult, responses.getServerInfo, 'getServerInfo'));