diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..7e5d770
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,8 @@
+{
+  "bracketSpacing": true,
+  "printWidth": 80,
+  "singleQuote": true,
+  "tabWidth": 4,
+  "trailingComma": "none",
+  "useTabs": true
+}
diff --git a/README.md b/README.md
index 0de87e2..a942ae6 100644
--- a/README.md
+++ b/README.md
@@ -55,35 +55,50 @@ var gl = Greenlock.create({
 
 	// This should be the contact who receives critical bug and security notifications
 	// Optionally, you may receive other (very few) updates, such as important new features
-	maintainerEmail: 'jon@example.com',
-	maintainerUpdates: true, // default: false
+	maintainerEmail: 'jon@example.com'
+});
+```
 
+| Parameter       | Description                                                                          |
+| --------------- | ------------------------------------------------------------------------------------ |
+| maintainerEmail | the developer contact for critical bug and security notifications                    |
+| packageAgent    | if you publish your package for others to use, `require('./package.json').name` here |
+
+<!--
+| maintainerUpdates         | (default: false) receive occasional non-critical notifications                                                                                             |
+    maintainerUpdates: true // default: false
+-->
+
+### Add Approved Domains
+
+```js
+greenlock.manager.defaults({
 	// The "Let's Encrypt Subscriber" (often the same as the maintainer)
 	// NOT the end customer (except where that is also the maintainer)
 	subscriberEmail: 'jon@example.com',
-	agreeToTerms: true // default: false
+	agreeToTerms: true
 });
 ```
 
 | Parameter                 | Description                                                                                                                                                |
 | ------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| servername                | the default servername to use for non-sni requests (many IoT clients)                                                                                      |
-| maintainerEmail           | the developer contact for critical bug and security notifications                                                                                          |
-| maintainerUpdates         | (default: false) receive occasional non-critical notifications                                                                                             |
-| maintainerPackage         | if you publish your package for others to use, `require('./package.json').name` here                                                                       |
-| maintainerPackageVersion  | if you publish your package for others to use, `require('./package.json').version` here                                                                    |
-| subscriberEmail           | the contact who agrees to the Let's Encrypt Subscriber Agreement and the Greenlock Terms of Service<br>this contact receives renewal failure notifications |
 | agreeToTerms              | (default: false) either 'true' or a function that presents the Terms of Service and returns it once accepted                                               |
-| store                     | override the default storage module                                                                                                                        |
-| store.module              | the name of your storage module                                                                                                                            |
-| store.xxxx                | options specific to your storage module                                                                                                                    |
 | challenges['http-01']     | provide an http-01 challenge module                                                                                                                        |
 | challenges['dns-01']      | provide a dns-01 challenge module                                                                                                                          |
 | challenges['tls-alpn-01'] | provide a tls-alpn-01 challenge module                                                                                                                     |
 | challenges[type].module   | the name of your challenge module                                                                                                                          |
 | challenges[type].xxxx     | module-specific options                                                                                                                                    |
+| servername                | the default servername to use for non-sni requests (many IoT clients)                                                                                      |
+| subscriberEmail           | the contact who agrees to the Let's Encrypt Subscriber Agreement and the Greenlock Terms of Service<br>this contact receives renewal failure notifications |
+| store                     | override the default storage module                                                                                                                        |
+| store.module              | the name of your storage module                                                                                                                            |
+| store.xxxx                | options specific to your storage module                                                                                                                    |
 
-### Add Approved Domains
+<!--
+
+| serverId        | an arbitrary name to distinguish this server within a cluster of servers |
+
+-->
 
 ```js
 gl.add({
@@ -104,26 +119,24 @@ gl.add({
 This will renew only domains that have reached their `renewAt` or are within the befault `renewOffset`.
 
 ```js
-return greenlock
-	.renew()
-	.then(function(pems) {
-		console.info(pems);
-	})
-	.then(function(results) {
-		results.forEach(function(site) {
-			if (site.error) {
-				console.error(site.subject, site.error);
-				return;
-			}
-		});
+return greenlock.renew().then(function(results) {
+	results.forEach(function(site) {
+		if (site.error) {
+			console.error(site.subject, site.error);
+			return;
+		}
 	});
+});
 ```
 
-| Parameter  | Type | Description                                                |
-| ---------- | ---- | ---------------------------------------------------------- |
-| (optional) | -    | ALL parameters are optional, but some should be paired     |
-| force      | bool | force silly options, such as tiny durations                |
-| duplicate  | bool | force the domain to renew, regardless of age or expiration |
+| Parameter     | Type | Description                                                                     |
+| ------------- | ---- | ------------------------------------------------------------------------------- |
+| (optional)    |      | ALL parameters are optional, but some should be paired                          |
+| force         | bool | force silly options, such as tiny durations                                     |
+| duplicate     | bool | force the domain to renew, regardless of age or expiration                      |
+| issuedBefore  | ms   | Check domains issued before the given date in milliseconds                      |
+| expiresBefore | ms   | Check domains that expire before the given date in milliseconds                 |
+| renewBefore   | ms   | Check domains that are scheduled to renew before the given date in milliseconds |
 
 <!--
 | servername  | string<br>hostname   | renew the certificate that has this domain in its altnames (for ServerName Indication / SNI lookup) |
diff --git a/bin/cli.js b/bin/cli.js
index b7c9aad..da72933 100644
--- a/bin/cli.js
+++ b/bin/cli.js
@@ -178,7 +178,7 @@ function toCamel(str) {
 
 function toBagName(bag) {
 	// trim leading and trailing '-'
-  bag = bag.replace(/^-+/g, '').replace(/-+$/g, '')
+	bag = bag.replace(/^-+/g, '').replace(/-+$/g, '');
 	return toCamel(bag) + 'Opts'; // '--bag-option-' => bagOptionOpts
 }
 
diff --git a/bin/greenlock.js b/bin/greenlock.js
index 9422092..ce710a2 100755
--- a/bin/greenlock.js
+++ b/bin/greenlock.js
@@ -4,6 +4,6 @@
 var args = process.argv.slice(2);
 console.log(args);
 if ('certonly' === args[0]) {
-  require('./certonly.js');
-  return;
+	require('./certonly.js');
+	return;
 }
diff --git a/certificates.js b/certificates.js
index 573e67b..300a90a 100644
--- a/certificates.js
+++ b/certificates.js
@@ -56,60 +56,48 @@ C._getOrOrder = function(gnlck, mconf, db, acme, chs, acc, args) {
 // Certificates
 C._rawGetOrOrder = function(gnlck, mconf, db, acme, chs, acc, email, args) {
 	return C._check(gnlck, mconf, db, args).then(function(pems) {
-		// No pems? get some!
-		if (!pems) {
-			return C._rawOrder(
-				gnlck,
-				mconf,
-				db,
-				acme,
-				chs,
-				acc,
-				email,
-				args
-			).then(function(newPems) {
-				// do not wait on notify
-				gnlck._notify('cert_issue', {
-					options: args,
-					subject: args.subject,
-					altnames: args.altnames,
-					account: acc,
-					email: email,
-					pems: newPems
-				});
-				return newPems;
-			});
-		}
-
 		// Nice and fresh? We're done!
-		if (!C._isStale(gnlck, mconf, args, pems)) {
-			// return existing unexpired (although potentially stale) certificates when available
-			// there will be an additional .renewing property if the certs are being asynchronously renewed
-			//pems._type = 'current';
-			return pems;
+		if (pems) {
+			if (!C._isStale(gnlck, mconf, args, pems)) {
+				// return existing unexpired (although potentially stale) certificates when available
+				// there will be an additional .renewing property if the certs are being asynchronously renewed
+				//pems._type = 'current';
+				return pems;
+			}
 		}
 
-		// Getting stale? Let's renew to freshen up!
-		var p = C._rawOrder(gnlck, mconf, db, acme, chs, acc, email, args).then(
-			function(renewedPems) {
-				// do not wait on notify
-				gnlck._notify('cert_renewal', {
-					options: args,
-					subject: args.subject,
-					altnames: args.altnames,
-					account: acc,
-					email: email,
-					pems: renewedPems
-				});
-				return renewedPems;
+		// We're either starting fresh or freshening up...
+		var p = C._rawOrder(gnlck, mconf, db, acme, chs, acc, email, args);
+		var evname = pems ? 'cert_renewal' : 'cert_issue';
+		p.then(function(newPems) {
+			// notify in the background
+			var renewAt = C._renewableAt(gnlck, mconf, args, newPems);
+			gnlck._notify(evname, {
+				renewAt: renewAt,
+				subject: args.subject,
+				altnames: args.altnames
+			});
+		}).catch(function(err) {
+			if (!err.context) {
+				err.context = evname;
 			}
-		);
+			err.subject = args.subject;
+			err.altnames = args.altnames;
+			gnlck._notify('error', err);
+		});
 
-		// TODO what should this be?
+		// No choice but to hang tight and wait for it
+		if (!pems) {
+			return p;
+		}
+
+		// Wait it out
+		// TODO should we call this waitForRenewal?
 		if (args.waitForRenewal) {
 			return p;
 		}
 
+		// Let the certs renew in the background
 		return pems;
 	});
 };
@@ -177,6 +165,15 @@ C._rawOrder = function(gnlck, mconf, db, acme, chs, acc, email, args) {
 						.then(U._attachCertInfo);
 				})
 				.then(function(pems) {
+					var renewAt = C._renewableAt(gnlck, mconf, args, pems);
+
+					gnlck._notify('_cert_issue', {
+						renewAt: renewAt,
+						subject: args.subject,
+						altnames: args.altnames,
+						pems: pems
+					});
+
 					if (kresult.exists) {
 						return pems;
 					}
diff --git a/express.js b/express.js
deleted file mode 100644
index 4ea43ee..0000000
--- a/express.js
+++ /dev/null
@@ -1,42 +0,0 @@
-'use strict';
-
-var Greenlock = module.exports;
-
-Greenlock.server = function (opts) {
-  var opts = Greenlock.create(opts);
-
-	opts.plainMiddleware = function(req, res) {
-		return Greenlock._plainMiddleware(opts, req, res);
-	};
-
-	opts.secureMiddleware = function(req, res) {
-		return Greenlock._secureMiddleware(opts, req, res);
-	};
-
-	opts.tlsOptions = {
-		SNICallback: function(servername, cb) {
-			return Greenlock._sniCallback(opts, servername)
-				.then(function() {
-					cb(null);
-				})
-				.catch(function(err) {
-					cb(err);
-				});
-		}
-	};
-
-  return opts;
-};
-
-// must handle http-01 challenges
-Greenlock._plainMiddleware = function(opts, req, res) {};
-
-// should check for domain fronting
-Greenlock._secureMiddleware = function(opts, req, res) {};
-
-// should check to see if domain is allowed, and if domain should be renewed
-// manage should be able to clear the internal cache
-Greenlock._sniCallback = function(opts, servername) {};
-
-Greenlock._onSniRejection(function () {
-});
diff --git a/greenlock.js b/greenlock.js
index 78010e6..5e03c6b 100644
--- a/greenlock.js
+++ b/greenlock.js
@@ -65,12 +65,13 @@ G.create = function(gconf) {
 	var defaults = G._defaults(gconf);
 
 	greenlock.manager = Manager.create(defaults);
+	//console.log('debug greenlock.manager', Object.keys(greenlock.manager));
 	greenlock._init = function() {
 		var p;
 		greenlock._init = function() {
 			return p;
 		};
-		p = greenlock.manager.config().then(function(conf) {
+		p = greenlock.manager.defaults().then(function(conf) {
 			var changed = false;
 			if (!conf.challenges) {
 				changed = true;
@@ -81,7 +82,7 @@ G.create = function(gconf) {
 				conf.store = defaults.store;
 			}
 			if (changed) {
-				return greenlock.manager.config(conf);
+				return greenlock.manager.defaults(conf);
 			}
 		});
 		return p;
@@ -154,6 +155,26 @@ G.create = function(gconf) {
 
 	greenlock._notify = function(ev, params) {
 		var mng = greenlock.manager;
+
+		if ('_' === String(ev)[0]) {
+			if ('_cert_issue' === ev) {
+				try {
+					mng.update({
+						subject: params.subject,
+						renewAt: params.renewAt
+					}).catch(function(e) {
+						e.context = '_cert_issue';
+						greenlock._notify('error', e);
+					});
+				} catch (e) {
+					e.context = '_cert_issue';
+					greenlock._notify('error', e);
+				}
+			}
+			// trap internal events internally
+			return;
+		}
+
 		if (mng.notify || greenlock._defaults.notify) {
 			try {
 				var p = (mng.notify || greenlock._defaults.notify)(ev, params);
@@ -193,23 +214,109 @@ G.create = function(gconf) {
 			// { name, version, email, domains, action, communityMember, telemetry }
 			// TODO look at the other one
 			UserEvents.notify({
+				/*
 				// maintainer should be only on pre-publish, or maybe install, I think
 				maintainerEmail: greenlock._defaults._maintainerEmail,
 				name: greenlock._defaults._maintainerPackage,
 				version: greenlock._defaults._maintainerPackageVersion,
-				action: params.pems._type,
+				//action: params.pems._type,
 				domains: params.altnames,
 				subscriberEmail: greenlock._defaults._subscriberEmail,
 				// TODO enable for Greenlock Pro
 				//customerEmail: args.customerEmail
 				telemetry: greenlock._defaults.telemetry
+        */
 			});
 		}
 	};
 
+	greenlock._single = function(args) {
+		if (!args.servername) {
+			return Promise.reject(new Error('no servername given'));
+		}
+		if (
+			args.servernames ||
+			args.subject ||
+			args.renewBefore ||
+			args.issueBefore ||
+			args.expiresBefore
+		) {
+			return Promise.reject(
+				new Error(
+					'bad arguments, did you mean to call greenlock.renew()?'
+				)
+			);
+		}
+		// duplicate, force, and others still allowed
+		return Promise.resolve(args);
+	};
+
+	greenlock.get = function(args) {
+		return greenlock
+			._single(args)
+			.then(function() {
+				args._includePems = true;
+				return greenlock.renew(args);
+			})
+			.then(function(results) {
+				if (!results || !results.length) {
+					return null;
+				}
+
+				// just get the first one
+				var result = results[0];
+
+				// (there should be only one, ideally)
+				if (results.length > 1) {
+					var err = new Error(
+						"a search for '" +
+							args.servername +
+							"' returned multiple certificates"
+					);
+					err.context = 'duplicate_certs';
+					err.servername = args.servername;
+					err.subjects = results.map(function(r) {
+						return (r.site || {}).subject || 'N/A';
+					});
+
+					greenlock._notify('warning', err);
+				}
+
+				if (result.error) {
+					return Promise.reject(result.error);
+				}
+
+				// site for plugin options, such as http-01 challenge
+				// pems for the obvious reasons
+				return result;
+			});
+	};
+
+	greenlock._config = function(args) {
+		return greenlock
+			._single(args)
+			.then(function() {
+				return greenlock.manager.find(args);
+			})
+			.then(function(sites) {
+				if (!sites || !sites.length) {
+					return null;
+				}
+				var site = sites[0];
+				site = JSON.parse(JSON.stringify(site));
+				if (!site.store) {
+					site.store = greenlock._defaults.store;
+				}
+				if (!site.challenges) {
+					site.challenges = greenlock._defaults.challenges;
+				}
+				return site;
+			});
+	};
+
 	// needs to get info about the renewal, such as which store and challenge(s) to use
 	greenlock.renew = function(args) {
-		return greenlock.manager.config().then(function(mconf) {
+		return greenlock.manager.defaults().then(function(mconf) {
 			return greenlock._renew(mconf, args);
 		});
 	};
@@ -226,15 +333,16 @@ G.create = function(gconf) {
 			args.renewStagger = U._parseDuration(args.renewStagger);
 		}
 
-		if (args.domain) {
+		if (args.servername) {
 			// this doesn't have to be the subject, it can be anything
 			// however, not sure how useful this really is...
-			args.domain = args.toLowerCase();
+			args.servername = args.servername.toLowerCase();
 		}
 
-		args.defaults = greenlock.defaults;
+		//console.log('greenlock._renew find', args);
 		return greenlock.manager.find(args).then(function(sites) {
 			// Note: the manager must guaranteed that these are mutable copies
+			//console.log('greenlock._renew found', sites);
 
 			var renewedOrFailed = [];
 
@@ -244,25 +352,28 @@ G.create = function(gconf) {
 					return Promise.resolve(null);
 				}
 
-				var order = {
-					site: site
-				};
+				var order = { site: site };
 				renewedOrFailed.push(order);
 				// TODO merge args + result?
 				return greenlock
 					._order(mconf, site)
 					.then(function(pems) {
-						order.pems = pems;
+						if (args._includePems) {
+							order.pems = pems;
+						}
 					})
 					.catch(function(err) {
+						order.error = err;
+
 						// For greenlock express serialization
 						err.toJSON = errorToJSON;
+						err.context = err.context || 'cert_order';
 						err.subject = site.subject;
 						if (args.servername) {
 							err.servername = args.servername;
 						}
 						// for debugging, but not to be relied on
-						err._order = order;
+						err._site = site;
 						// TODO err.context = err.context || 'renew_certificate'
 						greenlock._notify('error', err);
 					})
@@ -312,20 +423,16 @@ G.create = function(gconf) {
 
 	greenlock.order = function(args) {
 		return greenlock._init().then(function() {
-			return greenlock.manager.config().then(function(mconf) {
+			return greenlock.manager.defaults().then(function(mconf) {
 				return greenlock._order(mconf, args);
 			});
 		});
 	};
 	greenlock._order = function(mconf, args) {
+		// packageAgent, maintainerEmail
 		return greenlock._acme(args).then(function(acme) {
 			var storeConf = args.store || greenlock._defaults.store;
-			return P._load(storeConf.module).then(function(plugin) {
-				var store = Greenlock._normalizeStore(
-					storeConf.module,
-					plugin.create(storeConf)
-				);
-
+			return P._loadStore(storeConf).then(function(store) {
 				return A._getOrCreate(
 					greenlock,
 					mconf,
@@ -339,17 +446,7 @@ G.create = function(gconf) {
 						greenlock._defaults.challenges;
 					return Promise.all(
 						Object.keys(challengeConfs).map(function(typ01) {
-							var chConf = challengeConfs[typ01];
-							return P._load(chConf.module).then(function(
-								plugin
-							) {
-								var ch = Greenlock._normalizeChallenge(
-									chConf.module,
-									plugin.create(chConf)
-								);
-								ch._type = typ01;
-								return ch;
-							});
+							return P._loadChallenge(challengeConfs, typ01);
 						})
 					).then(function(arr) {
 						var challenges = {};
@@ -390,6 +487,8 @@ G.create = function(gconf) {
 	return greenlock;
 };
 
+G._loadChallenge = P._loadChallenge;
+
 G._defaults = function(opts) {
 	var defaults = {};
 
@@ -503,114 +602,6 @@ G._defaults = function(opts) {
 	return defaults;
 };
 
-Greenlock._normalizeStore = function(name, store) {
-	var acc = store.accounts;
-	var crt = store.certificates;
-
-	var warned = false;
-	function warn() {
-		if (warned) {
-			return;
-		}
-		warned = true;
-		console.warn(
-			"'" +
-				name +
-				"' may have incorrect function signatures, or contains deprecated use of callbacks"
-		);
-	}
-
-	// accs
-	if (acc.check && 2 === acc.check.length) {
-		warn();
-		acc._thunk_check = acc.check;
-		acc.check = promisify(acc._thunk_check);
-	}
-	if (acc.set && 3 === acc.set.length) {
-		warn();
-		acc._thunk_set = acc.set;
-		acc.set = promisify(acc._thunk_set);
-	}
-	if (2 === acc.checkKeypair.length) {
-		warn();
-		acc._thunk_checkKeypair = acc.checkKeypair;
-		acc.checkKeypair = promisify(acc._thunk_checkKeypair);
-	}
-	if (3 === acc.setKeypair.length) {
-		warn();
-		acc._thunk_setKeypair = acc.setKeypair;
-		acc.setKeypair = promisify(acc._thunk_setKeypair);
-	}
-
-	// certs
-	if (2 === crt.check.length) {
-		warn();
-		crt._thunk_check = crt.check;
-		crt.check = promisify(crt._thunk_check);
-	}
-	if (3 === crt.set.length) {
-		warn();
-		crt._thunk_set = crt.set;
-		crt.set = promisify(crt._thunk_set);
-	}
-	if (2 === crt.checkKeypair.length) {
-		warn();
-		crt._thunk_checkKeypair = crt.checkKeypair;
-		crt.checkKeypair = promisify(crt._thunk_checkKeypair);
-	}
-	if (2 === crt.setKeypair.length) {
-		warn();
-		crt._thunk_setKeypair = crt.setKeypair;
-		crt.setKeypair = promisify(crt._thunk_setKeypair);
-	}
-
-	return store;
-};
-
-Greenlock._normalizeChallenge = function(name, ch) {
-	var warned = false;
-	function warn() {
-		if (warned) {
-			return;
-		}
-		warned = true;
-		console.warn(
-			"'" +
-				name +
-				"' may have incorrect function signatures, or contains deprecated use of callbacks"
-		);
-	}
-
-	// init, zones, set, get, remove
-	if (ch.init && 2 === ch.init.length) {
-		warn();
-		ch._thunk_init = ch.init;
-		ch.init = promisify(ch._thunk_init);
-	}
-	if (ch.zones && 2 === ch.zones.length) {
-		warn();
-		ch._thunk_zones = ch.zones;
-		ch.zones = promisify(ch._thunk_zones);
-	}
-	if (2 === ch.set.length) {
-		warn();
-		ch._thunk_set = ch.set;
-		ch.set = promisify(ch._thunk_set);
-	}
-	if (2 === ch.remove.length) {
-		warn();
-		ch._thunk_remove = ch.remove;
-		ch.remove = promisify(ch._thunk_remove);
-	}
-	if (ch.get && 2 === ch.get.length) {
-		warn();
-		ch._thunk_get = ch.get;
-		ch.get = promisify(ch._thunk_get);
-	}
-
-	return ch;
-};
-
 function errorToJSON(e) {
 	var error = {};
 	Object.getOwnPropertyNames(e).forEach(function(k) {
diff --git a/order.js b/order.js
index afad294..3804332 100644
--- a/order.js
+++ b/order.js
@@ -1,97 +1,95 @@
-	var accountKeypair = await Keypairs.generate({ kty: accKty });
+var accountKeypair = await Keypairs.generate({ kty: accKty });
+if (config.debug) {
+	console.info('Account Key Created');
+	console.info(JSON.stringify(accountKeypair, null, 2));
+	console.info();
+	console.info();
+}
+
+var account = await acme.accounts.create({
+	agreeToTerms: agree,
+	// TODO detect jwk/pem/der?
+	accountKeypair: { privateKeyJwk: accountKeypair.private },
+	subscriberEmail: config.email
+});
+
+// TODO top-level agree
+function agree(tos) {
 	if (config.debug) {
-		console.info('Account Key Created');
-		console.info(JSON.stringify(accountKeypair, null, 2));
+		console.info('Agreeing to Terms of Service:');
+		console.info(tos);
 		console.info();
 		console.info();
 	}
+	agreed = true;
+	return Promise.resolve(tos);
+}
+if (config.debug) {
+	console.info('New Subscriber Account');
+	console.info(JSON.stringify(account, null, 2));
+	console.info();
+	console.info();
+}
+if (!agreed) {
+	throw new Error('Failed to ask the user to agree to terms');
+}
 
-	var account = await acme.accounts.create({
-		agreeToTerms: agree,
-		// TODO detect jwk/pem/der?
-		accountKeypair: { privateKeyJwk: accountKeypair.private },
-		subscriberEmail: config.email
-	});
+var certKeypair = await Keypairs.generate({ kty: srvKty });
+var pem = await Keypairs.export({
+	jwk: certKeypair.private,
+	encoding: 'pem'
+});
+if (config.debug) {
+	console.info('Server Key Created');
+	console.info('privkey.jwk.json');
+	console.info(JSON.stringify(certKeypair, null, 2));
+	// This should be saved as `privkey.pem`
+	console.info();
+	console.info('privkey.' + srvKty.toLowerCase() + '.pem:');
+	console.info(pem);
+	console.info();
+}
 
-	// TODO top-level agree
-	function agree(tos) {
-		if (config.debug) {
-			console.info('Agreeing to Terms of Service:');
-			console.info(tos);
-			console.info();
-			console.info();
-		}
-		agreed = true;
-		return Promise.resolve(tos);
-	}
-	if (config.debug) {
-		console.info('New Subscriber Account');
-		console.info(JSON.stringify(account, null, 2));
-		console.info();
-		console.info();
-	}
-	if (!agreed) {
-		throw new Error('Failed to ask the user to agree to terms');
-	}
-
-	var certKeypair = await Keypairs.generate({ kty: srvKty });
-	var pem = await Keypairs.export({
-		jwk: certKeypair.private,
-		encoding: 'pem'
-	});
-	if (config.debug) {
-		console.info('Server Key Created');
-		console.info('privkey.jwk.json');
-		console.info(JSON.stringify(certKeypair, null, 2));
-		// This should be saved as `privkey.pem`
-		console.info();
-		console.info('privkey.' + srvKty.toLowerCase() + '.pem:');
-		console.info(pem);
-		console.info();
-	}
-
-	// 'subject' should be first in list
-	var domains = randomDomains(rnd);
-	if (config.debug) {
-		console.info('Get certificates for random domains:');
-		console.info(
-			domains
-				.map(function(puny) {
-					var uni = punycode.toUnicode(puny);
-					if (puny !== uni) {
-						return puny + ' (' + uni + ')';
-					}
-					return puny;
-				})
-				.join('\n')
-		);
-		console.info();
-	}
-
-	// Create CSR
-	var csrDer = await CSR.csr({
-		jwk: certKeypair.private,
-		domains: domains,
-		encoding: 'der'
-	});
-	var csr = Enc.bufToUrlBase64(csrDer);
-	var csrPem = PEM.packBlock({
-		type: 'CERTIFICATE REQUEST',
-		bytes: csrDer /* { jwk: jwk, domains: opts.domains } */
-	});
-	if (config.debug) {
-		console.info('Certificate Signing Request');
-		console.info(csrPem);
-		console.info();
-	}
-
-	var results = await acme.certificates.create({
-		account: account,
-		accountKeypair: { privateKeyJwk: accountKeypair.private },
-		csr: csr,
-		domains: domains,
-		challenges: challenges, // must be implemented
-		customerEmail: null
-	});
+// 'subject' should be first in list
+var domains = randomDomains(rnd);
+if (config.debug) {
+	console.info('Get certificates for random domains:');
+	console.info(
+		domains
+			.map(function(puny) {
+				var uni = punycode.toUnicode(puny);
+				if (puny !== uni) {
+					return puny + ' (' + uni + ')';
+				}
+				return puny;
+			})
+			.join('\n')
+	);
+	console.info();
+}
 
+// Create CSR
+var csrDer = await CSR.csr({
+	jwk: certKeypair.private,
+	domains: domains,
+	encoding: 'der'
+});
+var csr = Enc.bufToUrlBase64(csrDer);
+var csrPem = PEM.packBlock({
+	type: 'CERTIFICATE REQUEST',
+	bytes: csrDer /* { jwk: jwk, domains: opts.domains } */
+});
+if (config.debug) {
+	console.info('Certificate Signing Request');
+	console.info(csrPem);
+	console.info();
+}
 
+var results = await acme.certificates.create({
+	account: account,
+	accountKeypair: { privateKeyJwk: accountKeypair.private },
+	csr: csr,
+	domains: domains,
+	challenges: challenges, // must be implemented
+	customerEmail: null
+});
diff --git a/package-lock.json b/package-lock.json
index 80e911c..78c7ab5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "@root/greenlock",
-	"version": "3.0.1",
+	"version": "3.0.2",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
@@ -74,9 +74,9 @@
 			}
 		},
 		"acme-http-01-standalone": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/acme-http-01-standalone/-/acme-http-01-standalone-3.0.0.tgz",
-			"integrity": "sha512-lZqVab2UZ1Dp36HemfhGEvdYOcVNg5wyVXNjtPUqGSAOVUOKqwi3gDrTGwqz+FBrEEEEpTngDPaZn2g3hfmPLA=="
+			"version": "3.0.5",
+			"resolved": "https://registry.npmjs.org/acme-http-01-standalone/-/acme-http-01-standalone-3.0.5.tgz",
+			"integrity": "sha512-W4GfK+39GZ+u0mvxRVUcVFCG6gposfzEnSBF20T/NUwWAKG59wQT1dUbS1NixRIAsRuhpGc4Jx659cErFQH0Pg=="
 		},
 		"cert-info": {
 			"version": "1.5.1",
diff --git a/package.json b/package.json
index 00d85ad..1e29b47 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@root/greenlock",
-	"version": "3.0.1",
+	"version": "3.0.2",
 	"description": "The easiest Let's Encrypt client for Node.js and Browsers",
 	"homepage": "https://rootprojects.org/greenlock/",
 	"main": "greenlock.js",
@@ -40,7 +40,7 @@
 		"@root/keypairs": "^0.9.0",
 		"@root/mkdirp": "^1.0.0",
 		"@root/request": "^1.3.10",
-		"acme-http-01-standalone": "^3.0.0",
+		"acme-http-01-standalone": "^3.0.5",
 		"cert-info": "^1.5.1",
 		"greenlock-manager-fs": "^0.6.0",
 		"greenlock-store-fs": "^3.2.0",
diff --git a/plugins.js b/plugins.js
index 3bc0042..5ee6e89 100644
--- a/plugins.js
+++ b/plugins.js
@@ -8,7 +8,22 @@ var spawnSync = require('child_process').spawnSync;
 // Exported for CLIs and such to override
 P.PKG_DIR = __dirname;
 
-P._load = function(modname) {
+P._loadStore = function(storeConf) {
+	return P._loadHelper(storeConf.module).then(function(plugin) {
+		return P._normalizeStore(storeConf.module, plugin.create(storeConf));
+	});
+};
+P._loadChallenge = function(chConfs, typ01) {
+	return P._loadHelper(chConfs[typ01].module).then(function(plugin) {
+		var ch = P._normalizeChallenge(
+			chConfs[typ01].module,
+			plugin.create(chConfs[typ01])
+		);
+		ch._type = typ01;
+		return ch;
+	});
+};
+P._loadHelper = function(modname) {
 	try {
 		return Promise.resolve(require(modname));
 	} catch (e) {
@@ -18,6 +33,150 @@ P._load = function(modname) {
 	}
 };
 
+P._normalizeStore = function(name, store) {
+	var acc = store.accounts;
+	var crt = store.certificates;
+
+	var warned = false;
+	function warn() {
+		if (warned) {
+			return;
+		}
+		warned = true;
+		console.warn(
+			"'" +
+				name +
+				"' may have incorrect function signatures, or contains deprecated use of callbacks"
+		);
+	}
+
+	// accs
+	if (acc.check && 2 === acc.check.length) {
+		warn();
+		acc._thunk_check = acc.check;
+		acc.check = promisify(acc._thunk_check);
+	}
+	if (acc.set && 3 === acc.set.length) {
+		warn();
+		acc._thunk_set = acc.set;
+		acc.set = promisify(acc._thunk_set);
+	}
+	if (2 === acc.checkKeypair.length) {
+		warn();
+		acc._thunk_checkKeypair = acc.checkKeypair;
+		acc.checkKeypair = promisify(acc._thunk_checkKeypair);
+	}
+	if (3 === acc.setKeypair.length) {
+		warn();
+		acc._thunk_setKeypair = acc.setKeypair;
+		acc.setKeypair = promisify(acc._thunk_setKeypair);
+	}
+
+	// certs
+	if (2 === crt.check.length) {
+		warn();
+		crt._thunk_check = crt.check;
+		crt.check = promisify(crt._thunk_check);
+	}
+	if (3 === crt.set.length) {
+		warn();
+		crt._thunk_set = crt.set;
+		crt.set = promisify(crt._thunk_set);
+	}
+	if (2 === crt.checkKeypair.length) {
+		warn();
+		crt._thunk_checkKeypair = crt.checkKeypair;
+		crt.checkKeypair = promisify(crt._thunk_checkKeypair);
+	}
+	if (2 === crt.setKeypair.length) {
+		warn();
+		crt._thunk_setKeypair = crt.setKeypair;
+		crt.setKeypair = promisify(crt._thunk_setKeypair);
+	}
+
+	return store;
+};
+P._normalizeChallenge = function(name, ch) {
+	var gch = {};
+	var warned = false;
+	function warn() {
+		if (warned) {
+			return;
+		}
+		warned = true;
+		console.warn(
+			"'" +
+				name +
+				"' may have incorrect function signatures, or contains deprecated use of callbacks"
+		);
+	}
+
+	var warned2 = false;
+	function warn2() {
+		if (warned2) {
+			return;
+		}
+		warned2 = true;
+		console.warn(
+			"'" +
+				name +
+				"' did not return a Promise when called. This should be fixed by the maintainer."
+		);
+	}
+
+	function wrappy(fn) {
+		return function(_params) {
+			return Promise.resolve().then(function() {
+				var result = fn.call(ch, _params);
+				if (!result || !result.then) {
+					warn2();
+				}
+				return result;
+			});
+		};
+	}
+
+	// init, zones, set, get, remove
+	if (ch.init) {
+		if (2 === ch.init.length) {
+			warn();
+			ch._thunk_init = ch.init;
+			ch.init = promisify(ch._thunk_init);
+		}
+		gch.init = wrappy(ch.init);
+	}
+	if (ch.zones) {
+		if (2 === ch.zones.length) {
+			warn();
+			ch._thunk_zones = ch.zones;
+			ch.zones = promisify(ch._thunk_zones);
+		}
+		gch.zones = wrappy(ch.zones);
+	}
+	if (2 === ch.set.length) {
+		warn();
+		ch._thunk_set = ch.set;
+		ch.set = promisify(ch._thunk_set);
+	}
+	gch.set = wrappy(ch.set);
+	if (2 === ch.remove.length) {
+		warn();
+		ch._thunk_remove = ch.remove;
+		ch.remove = promisify(ch._thunk_remove);
+	}
+	gch.remove = wrappy(ch.remove);
+	if (ch.get) {
+		if (2 === ch.get.length) {
+			warn();
+			ch._thunk_get = ch.get;
+			ch.get = promisify(ch._thunk_get);
+		}
+		gch.get = wrappy(ch.get);
+	}
+
+	return gch;
+};
+
 P._loadSync = function(modname) {
 	var mod;
 	try {
diff --git a/tests/index.js b/tests/index.js
index db6944c..666b07c 100644
--- a/tests/index.js
+++ b/tests/index.js
@@ -33,9 +33,9 @@ greenlock
 		subscriberEmail: email
 	})
 	.then(function() {
-		return greenlock.renew().then(function (pems) {
-      console.info(pems);
-    });
+		return greenlock.renew().then(function(pems) {
+			console.info(pems);
+		});
 	})
 	.catch(function(e) {
 		console.error('yo', e.code);