fix: getEpochInfo RPC endpoint now includes the current block height

web3.js/module.d.ts

@@ -183,6 +183,7 @@ declare module '@solana/web3.js' {
     slotIndex: number;
     slotsInEpoch: number;
     absoluteSlot: number;
+    blockHeight?: number;
   };
 
   export type EpochSchedule = {

web3.js/module.flow.js

@@ -208,6 +208,7 @@ declare module '@solana/web3.js' {
     slotIndex: number,
     slotsInEpoch: number,
     absoluteSlot: number,
+    blockHeight: ?number,
   };
 
   declare export type LeaderSchedule = {

web3.js/src/connection.js

@@ -246,12 +246,14 @@ const GetInflationGovernorResult = struct({
  * @property {number} slotIndex
  * @property {number} slotsInEpoch
  * @property {number} absoluteSlot
+ * @property {number} blockHeight
  */
 type EpochInfo = {
   epoch: number,
   slotIndex: number,
   slotsInEpoch: number,
   absoluteSlot: number,
+  blockHeight: number | null,
 };
 
 const GetEpochInfoResult = struct({
@@ -259,6 +261,7 @@ const GetEpochInfoResult = struct({
   slotIndex: 'number',
   slotsInEpoch: 'number',
   absoluteSlot: 'number',
+  blockHeight: 'number?',
 });
 
 /**
@@ -442,9 +445,7 @@ const GetEpochScheduleRpcResult = struct({
 /**
  * Expected JSON RPC response for the "getLeaderSchedule" message
  */
-const GetLeaderScheduleRpcResult = jsonRpcResult(
-  GetLeaderScheduleResult,
-);
+const GetLeaderScheduleRpcResult = jsonRpcResult(GetLeaderScheduleResult);
 
 /**
  * Expected JSON RPC response for the "getBalance" message

web3.js/test/connection.test.js

@@ -394,13 +394,19 @@ test('get epoch info', async () => {
         slotIndex: 1,
         slotsInEpoch: 8192,
         absoluteSlot: 1,
+        blockHeight: 1,
       },
     },
   ]);
 
   const epochInfo = await connection.getEpochInfo();
 
-  for (const key of ['epoch', 'slotIndex', 'slotsInEpoch', 'absoluteSlot']) {
+  for (const key of [
+    'epoch',
+    'slotIndex',
+    'slotsInEpoch',
+    'absoluteSlot' /*, 'blockHeight'*/, // Uncomment blockHeight after 1.1.20 ships
+  ]) {
     expect(epochInfo).toHaveProperty(key);
     expect(epochInfo[key]).toBeGreaterThanOrEqual(0);
   }