Now with block timestamps

backend/src/models/block.js

@@ -0,0 +1,15 @@
+import mongoose from 'mongoose';
+
+const BlockSchema = new mongoose.Schema({
+  blockNumber: {
+    type: Number,
+    required: true
+  },
+  blockTime: {
+    type: Number,
+    required: true
+  }
+}, { timestamps: false });
+
+const Block = mongoose.model('BlockSchema', BlockSchema);
+export default Block;

backend/src/models/event.js

@@ -24,8 +24,12 @@ const EventSchema = new mongoose.Schema({
   blockNumber: {
     type: Number,
     required: true
+  },
+  blockTime: {
+    type: Number,
+    required: true
   }
-}, { timestamps: true });
+}, { timestamps: false });
 
 const Event = mongoose.model('Event', EventSchema);
 export default Event;

backend/src/routes/livepeer.js

@@ -1,5 +1,6 @@
 import express from "express";
 import Event from '../models/event';
+import Block from '../models/block';
 const apiRouter = express.Router();
 import {
   API_CMC, API_L1_HTTP, API_L2_HTTP, API_L2_WS
@@ -78,6 +79,27 @@ const BondingManagerTargetAbi = JSON.parse(BondingManagerTargetJson);
 const BondingManagerProxyAddr = "0x35Bcf3c30594191d53231E4FF333E8A770453e40";
 const contractInstance = new web3layer2WS.eth.Contract(BondingManagerTargetAbi.abi, BondingManagerProxyAddr);
 
+let blockCache = [];
+const getBlock = async function (blockNumber) {
+  // See if it is cached
+  for (const thisBlock of blockCache) {
+    if (thisBlock.number === blockNumber) {
+      return thisBlock;
+    }
+  }
+  // Else get it and cache it
+  const thisBlock = await web3layer2.eth.getBlock(blockNumber);
+  console.log("Caching new block " + thisBlock.number + " mined at " + thisBlock.timestamp);
+  const blockObj = {
+    blockNumber: thisBlock.number,
+    blockTime: thisBlock.timestamp
+  };
+  blockCache.push(blockObj);
+  const dbObj = new Block(blockObj);
+  await dbObj.save();
+  return thisBlock;
+}
+
 // If fullsync: drop collection on DB
 if (fullSync) {
   console.log("dropping old data due to full synchronization");
@@ -97,6 +119,7 @@ var BondingManagerProxyListener = contractInstance.events.allEvents(async (error
     } else {
       console.log('Received new Event on block ' + event.blockNumber);
     }
+    const thisBlock = await getBlock(event.blockNumber);
     // Push obj of event to cache and create a new entry for it in the DB
     const eventObj = {
       address: event.address,
@@ -104,7 +127,8 @@ var BondingManagerProxyListener = contractInstance.events.allEvents(async (error
       transactionUrl: "https://arbiscan.io/tx/" + event.transactionHash,
       name: event.event,
       data: event.returnValues,
-      blockNumber: event.blockNumber
+      blockNumber: thisBlock.number,
+      blockTime: thisBlock.timestamp
     }
     if (!isSyncing) {
       const dbObj = new Event(eventObj);
@@ -136,13 +160,15 @@ const doSync = function () {
         if (event.blockNumber > lastBlockDataAdded) {
           lastBlockDataAdded = event.blockNumber;
         }
+        const thisBlock = await getBlock(event.blockNumber);
         const eventObj = {
           address: event.address,
           transactionHash: event.transactionHash,
           transactionUrl: "https://arbiscan.io/tx/" + event.transactionHash,
           name: event.event,
           data: event.returnValues,
-          blockNumber: event.blockNumber
+          blockNumber: thisBlock.number,
+          blockTime: thisBlock.timestamp
         }
         const dbObj = new Event(eventObj);
         await dbObj.save();
@@ -170,6 +196,7 @@ const handleSync = async function () {
     name: 1,
     data: 1,
     blockNumber: 1,
+    blockTime: 1,
     _id: 0
   });
   console.log("Retrieved existing Events of size " + eventsCache.length);
@@ -186,6 +213,12 @@ const handleSync = async function () {
     latestMissedDuringSync = latestBlock;
   }
   console.log("Parsed up to block " + lastBlockDataAdded + " out of " + latestMissedDuringSync + " blocks");
+  // Get all parsed blocks
+  blockCache = await Block.find({}, {
+    blockNumber: 1,
+    blockTime: 1
+  });
+  console.log("Retrieved existing Blocks of size " + blockCache.length);
   doSync();
   while (isSyncRunning) {
     await sleep(1000);

src/BlockViewer.js

@@ -1,13 +1,23 @@
 import React from "react";
 
 const Block = (obj) => {
+  const thisEpoch = obj.time;
+  var dateObj = new Date(0);
+  dateObj.setUTCSeconds(thisEpoch);
+  const [thisDate, thisTime] = dateObj.toISOString().split('T');
   return (
     <div className="rowAlignLeft" style={{ width: '100%' }}>
       <span className="rowAlignRight elipsText">
-        Block {obj.block}
+        <a className="selectOrch" href={"https://arbiscan.io/block/" + obj.block}>
+          🔗{obj.block}
+        </a>
+        <p className="darkText">📅{thisDate} - {thisTime.split('.')[0]} </p>
       </span>
     </div>
   )
 }
 
+
+
+
 export default Block;

src/actions/livepeer.js

@@ -63,6 +63,7 @@ export const getEvents = () => async dispatch => {
     let currentTx = "";
     let currentUrl = "";
     let currentBlock = 0;
+    let currentTime = 0;
     // Current Event we are processing
     let eventType = "";             // Named type: Withdraw, Update, Claim, Reward, Activate, Unbond, Stake
     let eventDescription = "";      // Descriptive text, also containing Amount, AmountOther and When
@@ -89,6 +90,7 @@ export const getEvents = () => async dispatch => {
           currentTx = eventObj.transactionHash;
           currentUrl = eventObj.transactionUrl;
           currentBlock = eventObj.blockNumber;
+          currentTime = eventObj.blockTime;
         }
         // New transaction found
         if (currentTx !== eventObj.transactionHash) {
@@ -150,7 +152,8 @@ export const getEvents = () => async dispatch => {
               eventColour,
               transactionHash: currentTx,
               transactionUrl: currentUrl,
-              transactionBlock: currentBlock
+              transactionBlock: currentBlock,
+              transactionTime: currentTime
             });
           }
 
@@ -176,6 +179,7 @@ export const getEvents = () => async dispatch => {
           currentTx = eventObj.transactionHash;
           currentUrl = eventObj.transactionUrl;
           currentBlock = eventObj.blockNumber;
+          currentTime = eventObj.blockTime;
         }
         // Always split off WithdrawStake as a separate Withdraw Event
         if (eventObj.name === "WithdrawStake") {
@@ -193,7 +197,8 @@ export const getEvents = () => async dispatch => {
             eventColour: withdrawStakeColour,
             transactionHash: currentTx,
             transactionUrl: currentUrl,
-            transactionBlock: currentBlock
+            transactionBlock: currentBlock,
+            transactionTime: currentTime
           });
         } else if (eventObj.name === "WithdrawFees") {
           const amount = parseFloat(eventObj.data.amount) / 1000000000000000000;
@@ -210,7 +215,8 @@ export const getEvents = () => async dispatch => {
             eventColour: withdrawStakeColour,
             transactionHash: currentTx,
             transactionUrl: currentUrl,
-            transactionBlock: currentBlock
+            transactionBlock: currentBlock,
+            transactionTime: currentTime
           });
         }
         // Always split off TranscoderUpdate as a separate Update Event
@@ -228,7 +234,8 @@ export const getEvents = () => async dispatch => {
             eventColour: updateColour,
             transactionHash: currentTx,
             transactionUrl: currentUrl,
-            transactionBlock: currentBlock
+            transactionBlock: currentBlock,
+            transactionTime: currentTime
           });
         }
         // Always split off EarningsClaimed as a separate Claim Event
@@ -259,7 +266,8 @@ export const getEvents = () => async dispatch => {
             eventColour: claimColour,
             transactionHash: currentTx,
             transactionUrl: currentUrl,
-            transactionBlock: currentBlock
+            transactionBlock: currentBlock,
+            transactionTime: currentTime
           });
         }
         // Always split off Reward as a separate Reward Event
@@ -279,7 +287,8 @@ export const getEvents = () => async dispatch => {
             eventColour: rewardColour,
             transactionHash: currentTx,
             transactionUrl: currentUrl,
-            transactionBlock: currentBlock
+            transactionBlock: currentBlock,
+            transactionTime: currentTime
           });
         }
         // Extract useful info from other types of Event

src/eventButton.js

@@ -44,7 +44,7 @@ const EventButton = (obj) => {
 
   let blockNumber;
   if (obj.isFirstOfBlock) {
-    blockNumber = <Block block={obj.isFirstOfBlock} />
+    blockNumber = <Block block={obj.isFirstOfBlock} time={obj.time} />
 
   }
 

src/eventViewer.js

@@ -141,6 +141,7 @@ const EventViewer = (obj) => {
                     key={eventObj.transactionHash + idx}
                     eventObj={eventObj}
                     isFirstOfBlock={prevBlock}
+                    time={eventObj.transactionTime}
                   />
                 }
               }