cmd/faucet: dynamic funding progress and visual feedback

cmd/faucet/faucet.go

@@ -186,7 +186,7 @@ func main() {
 type request struct {
 	Avatar  string             `json:"avatar"`  // Avatar URL to make the UI nicer
 	Account common.Address     `json:"account"` // Ethereum address being funded
-	Time    time.Time          `json:"time"`    // Timestamp when te request was accepted
+	Time    time.Time          `json:"time"`    // Timestamp when the request was accepted
 	Tx      *types.Transaction `json:"tx"`      // Transaction funding the account
 }
 

cmd/faucet/faucet.html

@@ -49,7 +49,7 @@
 				<div class="row">
 					<div class="col-lg-8 col-lg-offset-2">
 						<div class="input-group">
-							<input id="gist" type="text" class="form-control" placeholder="Social network URL containing your Ethereum address...">
+							<input id="url" name="url" type="text" class="form-control" placeholder="Social network URL containing your Ethereum address...">
 							<span class="input-group-btn">
 								<button class="btn btn-default dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Give me Ether	<i class="fa fa-caret-down" aria-hidden="true"></i></button>
 				        <ul class="dropdown-menu dropdown-menu-right">{{range $idx, $amount := .Amounts}}
@@ -106,10 +106,22 @@
 			var attempt = 0;
 			var server;
 			var tier = 0;
+			var requests = [];
 
+			// Define a function that creates closures to drop old requests
+			var dropper = function(hash) {
+				return function() {
+					for (var i=0; i<requests.length; i++) {
+						if (requests[i].tx.hash == hash) {
+							requests.splice(i, 1);
+							break;
+						}
+					}
+				}
+			};
 			// Define the function that submits a gist url to the server
 			var submit = function({{if .Recaptcha}}captcha{{end}}) {
-				server.send(JSON.stringify({url: $("#gist")[0].value, tier: tier{{if .Recaptcha}}, captcha: captcha{{end}}}));{{if .Recaptcha}}
+				server.send(JSON.stringify({url: $("#url")[0].value, tier: tier{{if .Recaptcha}}, captcha: captcha{{end}}}));{{if .Recaptcha}}
 				grecaptcha.reset();{{end}}
 			};
 			// Define a method to reconnect upon server loss
@@ -143,18 +155,82 @@
 						noty({layout: 'topCenter', text: msg.error, type: 'error', timeout: 5000, progressBar: true});
 					}
 					if (msg.success !== undefined) {
-						noty({layout: 'topCenter', text: msg.success, type: 'success', timeout: 15000, progressBar: true});
+						noty({layout: 'topCenter', text: msg.success, type: 'success', timeout: 5000, progressBar: true});
 					}
 					if (msg.requests !== undefined && msg.requests !== null) {
-						var content = "";
+						// Mark all previous requests missing as done
+						for (var i=0; i<requests.length; i++) {
+							if (msg.requests.length > 0 && msg.requests[0].tx.hash == requests[i].tx.hash) {
+								break;
+							}
+							if (requests[i].time != "") {
+								requests[i].time = "";
+								setTimeout(dropper(requests[i].tx.hash), 3000);
+							}
+						}
+						// Append any new requests into our local collection
+						var common = -1;
+						if (requests.length > 0) {
 							for (var i=0; i<msg.requests.length; i++) {
-							content += "<tr><td><div style=\"background: url('" + msg.requests[i].avatar + "'); background-size: cover; width:32px; height: 32px; border-radius: 4px;\"></div></td><td><pre>" + msg.requests[i].account + "</pre></td><td style=\"width: 100%; text-align: center; vertical-align: middle;\">" + moment.duration(moment(msg.requests[i].time).unix()-moment().unix(), 'seconds').humanize(true) + "</td></tr>";
+								if (requests[requests.length-1].tx.hash == msg.requests[i].tx.hash) {
+									common = i;
+									break;
+								}
+							}
+						}
+						for (var i=common+1; i<msg.requests.length; i++) {
+							requests.push(msg.requests[i]);
+						}
+						// Iterate over our entire local collection and re-render the funding table
+						var content = "";
+						for (var i=0; i<requests.length; i++) {
+							var done    = requests[i].time == "";
+							var elapsed = moment().unix()-moment(requests[i].time).unix();
+
+							content += "<tr id='" + requests[i].tx.hash + "'>";
+							content += "  <td><div style=\"background: url('" + requests[i].avatar + "'); background-size: cover; width:32px; height: 32px; border-radius: 4px;\"></div></td>";
+							content += "  <td><pre>" + requests[i].account + "</pre></td>";
+							content += "  <td style=\"width: 100%; text-align: center; vertical-align: middle;\">";
+							if (done) {
+								content += "    funded";
+							} else {
+								content += "    <span id='time-" + i + "' class='timer'>" + moment.duration(-elapsed, 'seconds').humanize(true) + "</span>";
+							}
+							content += "    <div class='progress' style='height: 4px; margin: 0;'>";
+							if (done) {
+								content += "      <div class='progress-bar progress-bar-success' role='progressbar' aria-valuenow='30' style='width:100%;'></div>";
+							} else if (elapsed > 30) {
+								content += "      <div class='progress-bar progress-bar-danger progress-bar-striped active' role='progressbar' aria-valuenow='30' style='width:100%;'></div>";
+							} else {
+								content += "      <div class='progress-bar progress-bar-striped active' role='progressbar' aria-valuenow='" + elapsed + "' style='width:" + (elapsed * 100 / 30) + "%;'></div>";
+							}
+							content += "    </div>";
+							content += "  </td>";
+							content += "</tr>";
 						}
 						$("#requests").html("<tbody>" + content + "</tbody>");
 					}
 				}
 				server.onclose = function() { setTimeout(reconnect, 3000); };
 			}
+			// Start a UI updater to push the progress bars forward until they are done
+			setInterval(function() {
+				$('.progress-bar').each(function() {
+					var progress = Number($(this).attr('aria-valuenow')) + 1;
+					if (progress < 30) {
+						$(this).attr('aria-valuenow', progress);
+						$(this).css('width', (progress * 100 / 30) + '%');
+					} else if (progress == 30) {
+						$(this).css('width', '100%');
+						$(this).addClass("progress-bar-danger");
+					}
+				})
+				$('.timer').each(function() {
+					var index = Number($(this).attr('id').substring(5));
+					$(this).html(moment.duration(moment(requests[index].time).unix()-moment().unix(), 'seconds').humanize(true));
+				})
+			}, 1000);
+
 			// Establish a websocket connection to the API server
 			reconnect();
 		</script>{{if .Recaptcha}}