Geth Sync Status

geth-sync-status.js

// 
// 8% ETA: 53 minutes @ 1477.9bps
// 9% ETA: 27 minutes @ 2918.6bps
// 9% ETA: 34 minutes @ 2323.4bps
// 10% ETA: 34 minutes @ 2304.8bps
// 10% ETA: 37 minutes @ 2149.6bps
// 11% ETA: 36 minutes @ 2186bps
// 11% ETA: 35 minutes @ 2268bps
// 12% ETA: 30 minutes @ 2630.4bps
//
// To get the following console statements printed in geth, attach to your geth console (geth attach) and copy paste the codeblock below.
// 
// START COPY --------------------
var lastPercentage = 0;
var lastBlocksToGo = 0;
var timeInterval = 10000;
function pollMonitor() {
    var percentage = eth.syncing.currentBlock / eth.syncing.highestBlock * 100;
    var percentagePerTime = percentage - lastPercentage;
    var blocksToGo = eth.syncing.highestBlock - eth.syncing.currentBlock;
    var bps = (lastBlocksToGo - blocksToGo) / (timeInterval / 1000)
    var etas = 100 / percentagePerTime * (timeInterval / 1000)

    var etaM = parseInt(etas / 60, 10);
    if (etaM > 0) {
      console.log(parseInt(percentage, 10) + '% ETA: '+ etaM + ' minutes @ '+ bps + 'bps, PEERCOUNT: ' + net.peerCount);
    } else {
      console.log(parseInt(percentage, 10) + '% PEERCOUNT: ' + net.peerCount + ', Starting monitor, polling every 10 sec...');
    }

    lastPercentage = percentage;
    lastBlocksToGo = blocksToGo;
    
    return true
}

function run() {
    pollMonitor();
    setInterval(pollMonitor, timeInterval);
}

run()
// END COPY --------------------