Address 4RAKYPEEXOEZ2NO7KVB2ZMQZAD3KJTJX, transactions and portfolio

4RAKYPEEXOEZ2NO7KVB2ZMQZAD3KJTJX

Definition

1	[
2	"autonomous agent",
3	{
4	"bounce_fees": {
5	"base": 10000
6	},
7	"init": "{
8	$HOUSE_CUT = 0.1; //We will take this cut on the debut of an NFT in our platform
9	$ARTIST_CUT = 0.01; //The artist will get 1% from every resale of their NFT
10	$RESALE_CUT = 0.01; //1%
11	$HALF_HOUR = 1800; //30m = 1800s
12
13	$extendDeadLine = $NFT=>$NFT.soldAt <= timestamp + $HALF_HOUR?$NFT \|\| {soldAt: $NFT.soldAt + $HALF_HOUR}: $NFT; //Extend the auction if there is a bid less than half an hour before the auction is closed
14	/*
15	** Strips $NFT of computed fields to reduce AA's storage size
16	*/
17	$stripToken = $NFT=>{
18	delete($NFT, "isBanned");
19	delete($NFT, "issuer");
20	delete($NFT, "cap");
21	delete($NFT, "mintedAt");
22	delete($NFT, "duration"); //For foreign NFTs
23	return $NFT;
24	};
25	if (NOT exists(trigger.data["method"]))
26	bounce("method field is mandatory");
27	}",
28	"getters": "{
29	$_maecenasCurve = $x=>69069420 * $x^2;
30	/*
31	** How many copies of a given NFT were initially minted wether they were sold or not
32	*/
33	$mintedUnits = $NFT=>{
34	if (NOT var[$NFT])
35	bounce("NFT not found");
36	if (NOT asset[$NFT].exists)
37	bounce("That NFT does not exist");
38	return asset[$NFT].cap;
39	};
40	/*
41	** All the information about the given NFT
42	*/
43	$tokenInfo = $NFT=>{
44	if (NOT var[$NFT])
45	bounce("NFT not found");
46	return var[$NFT] \|\|
47	{
48	isBanned: typeof(data_feed[[oracles=this_address, feed_name=$NFT, ifnone=false, ifseveral="last", type="string"]]) == "string" AND data_feed[[oracles=this_address, feed_name=$NFT, ifnone=false, ifseveral="last", type="string"]] == "REVOKED",
49	issuer: asset[$NFT].definer_address,
50	cap: unit[$NFT].messages[[.app="asset"]].payload.cap,
51	mintedAt: unit[$NFT].timestamp
52	};
53	};
54	/*
55	** How many bytes have maecenas invested in a given artist
56	*/
57	$investedInArtist = $artist=>{
58	$x0 = var["artist_" \|\| $artist]["supply"];
59	return 11511570 * $x0.supply * (1 + $x0.supply) * (1 + 2 * $x0.supply);
60	};
61	/*
62	** How many bytes have an investor accrued from the given artist
63	*/
64	$accrued = ($investor, $artist)=>floor(var["artist_" \|\| $artist]["share"] * var["maecenas_" \|\| $investor \|\| "_" \|\| $artist]/var["artist_" \|\| $artist]["supply"], 0);
65	/*
66	** Percentage of the artist's earnings that is being shared with their maecenas
67	*/
68	$artistSharePercentage = $artist=>var["artist_" \|\| $artist]["sharePercent"];
69	/*
70	** Useful artist information for the maecenas
71	*/
72	$artistInfo = $artist=>var["artist_" \|\| $artist];
73	/*
74	** How many copies of the NFT were sold, bounces if we did not mint the NFT
75	*/
76	$circulatingSupply = $NFT=>{
77	if (data_feed[[oracles=this_address, feed_name=$NFT, ifnone=false, ifseveral="last", type="string"]] == "REVOKED")
78	bounce("That NFT was revoked");
79	if ($tokenInfo($NFT).issuer != this_address)
80	bounce("That NFT was not minted by us, thus we don't know how many of them are out in the wild");
81	return var[$NFT]["unitsSold"];
82	};
83	}",
84	"messages": {
85	"cases": [
86	{
87	"if": "{
88	NOT var["owner"] //The owner has not been set
89	}",
90	"messages": [
91	{
92	"app": "state",
93	"state": "{
94	var["owner"] = "IUU43O7TS2TBYKAPGKUARDZHOTAE275A"; //Set the Owner to my address
95	var["locked"] = 0; //Bytes locked in bids are not withdrawable by the Owner
96	}"
97	}
98	]
99	},
100	{
101	"if": "{
102	trigger.address == var["owner"]
103	AND (trigger.data["method"] == "mint"
104	OR trigger.data["method"] == "payout"
105	OR trigger.data["method"] == "approve"
106	OR trigger.data["method"] == "revoke"
107	OR trigger.data["method"] == "transferOwnership")
108	}",
109	"messages": {
110	"cases": [
111	{
112	"if": "{
113	trigger.data["method"] == "mint"
114	}",
115	"init": "{
116	if (NOT exists(trigger.data["amount"]))
117	bounce("amount field is mandatory");
118	if (NOT is_valid_amount(trigger.data["amount"]))
119	bounce("The amount of NFT copies to mint is not valid");
120	if (NOT exists(trigger.data["ipfs"]))
121	bounce("ipfs field is mandatory");
122	if (NOT exists(trigger.data["seller"]))
123	bounce("seller field is mandatory");
124	if (NOT is_valid_address(trigger.data["seller"]))
125	bounce("The seller address is not valid");
126	if (NOT exists(trigger.data["endTime"]))
127	bounce("endTime field is mandatory");
128	if (NOT is_integer(trigger.data["endTime"]))
129	bounce("endTime field is not a timestamp");
130	if (trigger.data["endTime"] <= timestamp)
131	bounce("The endTime cannot be set in the past");
132	if (trigger.data["endTime"] - timestamp > 2628000)
133	bounce("You cannot set the end time in more than 30 days");
134	}",
135	"messages": {
136	"cases": [
137	{
138	"if": "{
139	trigger.data["amount"] == 1
140	}",
141	"messages": [
142	{
143	"app": "asset",
144	"payload": {
145	"cap": 1,
146	"is_private": false,
147	"is_transferrable": true,
148	"auto_destroy": false,
149	"fixed_denominations": false,
150	"issued_by_definer_only": true,
151	"cosigned_by_definer": false,
152	"spender_attested": false
153	}
154	},
155	{
156	"app": "state",
157	"state": "{
158	var[response_unit] = {
159	bid: 0, //Max current bid (a NFT can have this field because it was resold. Check for price field instead)
160	by: trigger.data["seller"],
161	at: timestamp, //Max bid time
162	ipfs: trigger.data["ipfs"], //Hash of the content
163	author: trigger.data["seller"], //The original seller
164	soldAt: trigger.data["endTime"], //End of the auction
165	soldBy: trigger.data["seller"] //Who is currently selling the NFT
166	};
167	}"
168	}
169	]
170	},
171	{
172	"init": "{
173	if (NOT exists(trigger.data["price"]))
174	bounce("price field is mandatory if you intend to sell more than one NFT copy");
175	if (trigger.data["price"] < 20000)
176	bounce("The minium price is 20000 bytes");
177	if (NOT is_valid_amount(trigger.data["price"]))
178	bounce("price is not valid");
179	}",
180	"messages": [
181	{
182	"app": "asset",
183	"payload": {
184	"cap": "{trigger.data["amount"]}",
185	"is_private": false,
186	"is_transferrable": true,
187	"auto_destroy": false,
188	"fixed_denominations": false,
189	"issued_by_definer_only": true,
190	"cosigned_by_definer": false,
191	"spender_attested": false
192	}
193	},
194	{
195	"app": "state",
196	"state": "{
197	var[response_unit] = {
198	price: trigger.data["price"], //Sale price (this field is only present if the first sale was a fixed price one)
199	at: timestamp, //Max bid time
200	ipfs: trigger.data["ipfs"], //Hash of the content
201	unitsSold: 0,
202	author: trigger.data["seller"], //The original seller
203	soldAt: trigger.data["endTime"], //End of the auction
204	soldBy: trigger.data["seller"] //Who is currently selling the NFT
205	};
206	}"
207	}
208	]
209	}
210	]
211	}
212	},
213	{
214	"if": "{
215	trigger.data["method"] == "payout"
216	}",
217	"init": "{
218	$payout = balance["base"] - var["locked"] - storage_size - 200000; //Always keep at least storage_size + 200.000 bytes to pay for txs
219	if ($payout <= storage_size + 200000)
220	bounce("There are not enough funds to withdraw");
221	}",
222	"messages": [
223	{
224	"app": "payment",
225	"payload": {
226	"asset": "base",
227	"outputs": [
228	{
229	"address": "{trigger.address}",
230	"amount": "{$payout}"
231	}
232	]
233	}
234	}
235	]
236	},
237	{
238	"if": "{
239	trigger.data["method"] == "approve"
240	}",
241	"init": "{
242	if (NOT exists(trigger.data["NFT"]))
243	bounce("NFT field is mandatory");
244	$NFT = var[trigger.data["NFT"]];
245	if (NOT $NFT)
246	bounce("That NFT is not known by this AA");
247	if (NOT $NFT.pendingAproval)
248	bounce("That NFT is not pendingAproval");
249	}",
250	"messages": [
251	{
252	"app": "state",
253	"state": "{
254	var[trigger.data["NFT"]] \|\|= {pendingAproval: '', duration: '', foreign: true, bid: 20000, by: $NFT.soldBy, at: timestamp, soldAt: timestamp + $NFT.duration};
255	}"
256	}
257	]
258	},
259	{
260	"if": "{
261	trigger.data["method"] == "revoke"
262	}",
263	"init": "{
264	if (NOT exists(trigger.data["NFT"]))
265	bounce("NFT field is mandatory");
266	}",
267	"messages": [
268	{
269	"app": "data_feed",
270	"payload": {
271	"{trigger.data["NFT"]}": "REVOKED"
272	}
273	}
274	]
275	},
276	{
277	"if": "{
278	trigger.data["method"] == "transferOwnership"
279	}",
280	"init": "{
281	if (NOT exists(trigger.data["newOwner"]))
282	bounce("newOwner field is mandatory");
283	if (NOT is_valid_address(trigger.data["newOwner"]))
284	bounce("newOwner field is not a valid address");
285	}",
286	"messages": [
287	{
288	"app": "state",
289	"state": "{
290	var["owner"] = trigger.data["newOwner"];//Ownership is transferred
291	}"
292	}
293	]
294	}
295	]
296	}
297	},
298	{
299	"if": "{
300	trigger.data["method"] == "BUY"
301	}",
302	"init": "{
303	if (NOT exists(trigger.data["NFT"]))
304	bounce("NFT field is mandatory");
305
306	$NFT = $tokenInfo(trigger.data["NFT"]);
307	$isAuction = $NFT.bid AND typeof($NFT.bid) == "number";
308
309	if ($isAuction)
310	$hasBidders = (NOT $NFT.by)?false:($NFT.soldBy != $NFT.by);//Booleans cannot be compared
311
312	if (NOT $NFT)
313	bounce("This NFT was not minted by us nor we listed it for sale");
314
315	if (timestamp > $NFT.soldAt){
316	if ($isAuction){
317	if ($hasBidders) //You can still buy it if there were no bidders
318	bounce("The auction is over");
319	}
320	else
321	bounce("The auction is already over");
322	}
323	}",
324	"messages": {
325	"cases": [
326	{
327	"if": "{
328	$isAuction
329	}",
330	"init": "{
331	if (trigger.output[[asset=base]].amount < 20000)
332	bounce("The minimum bid is 20000 bytes");
333	if (trigger.output[[asset=base]].amount <= $NFT.bid)
334	bounce("Your bid is lower or equal to the last bid. You must increase it");
335	if ($NFT.soldBy == trigger.address)
336	bounce("You cannot bid on your own auction");
337	}",
338	"messages": [
339	{
340	"app": "payment",
341	"if": "{
342	$NFT.by != $NFT.soldBy
343	}",
344	"payload": {
345	"asset": "base",
346	"outputs": [
347	{
348	"address": "{$NFT.by}",
349	"amount": "{$NFT.bid - 10000}"
350	}
351	]
352	}
353	},
354	{
355	"app": "state",
356	"state": "{
357	var["locked"] += trigger.output[[asset=base]].amount - ($hasBidders?$NFT.bid:0); //Increase non-withdrawable funds by the difference between previous and last bet
358	$NFT.bid = trigger.output[[asset=base]].amount;
359	$NFT.by = trigger.address;
360	var[trigger.data["NFT"]] \|\|= $stripToken($extendDeadLine($NFT));
361	}"
362	}
363	]
364	},
365	{
366	"init": "{
367	if (NOT asset[trigger.data["NFT"]].exists)
368	bounce("That asset does not exists");
369	if (asset[trigger.data["NFT"]].definer_address != this_address)
370	bounce("We have not listed that asset for sale");
371	if ($NFT.unitsSold == $NFT.cap)
372	bounce("All NFT copies have been already sold");
373	if (trigger.output[[asset=base]].amount < $NFT.price)
374	bounce("Your payment is lower than the NFT price");
375	$hasMaecenas = var["artist_" \|\| $NFT.author]["supply"] > 0;
376	if ($hasMaecenas)
377	$artist = $artistInfo($NFT.author);
378	}",
379	"messages": [
380	{
381	"app": "payment",
382	"if": "{
383	floor($NFT.price * (1-$HOUSE_CUT) - 10000, 0) > 0
384	}",
385	"payload": {
386	"asset": "base",
387	"outputs": [
388	{
389	"address": "{$NFT.soldBy}",
390	"amount": "{floor($NFT.price * (1-$HOUSE_CUT - $hasMaecenas ? $artist.sharePercent : 0) - 10000, 0)}"
391	}
392	]
393	}
394	},
395	{
396	"app": "payment",
397	"payload": {
398	"asset": "{trigger.data['NFT']}",
399	"outputs": [
400	{
401	"address": "{trigger.address}",
402	"amount": 1
403	}
404	]
405	}
406	},
407	{
408	"app": "state",
409	"state": "{
410	var[trigger.data["NFT"]] \|\|= {unitsSold: $NFT.unitsSold + 1};
411	}"
412	}
413	]
414	}
415	]
416	}
417	},
418	{
419	"if": "{
420	trigger.data["method"] == "CLAIM"
421	}",
422	"init": "{
423	if (NOT exists(trigger.data["NFT"]))
424	bounce("NFT field is mandatory");
425	$NFT = var[trigger.data["NFT"]];
426	if (timestamp <= $NFT.soldAt)
427	bounce("The auction is not over yet");
428	if ($NFT.bid == 0)
429	bounce("That auction was already claimed");
430
431	$hasMaecenas = var["artist_" \|\| $NFT.author]["supply"] > 0;
432	if ($hasMaecenas)
433	$artist = $artistInfo($NFT.author);
434	}",
435	"messages": {
436	"cases": [
437	{
438	"if": "{//NFT was first sold
439	$NFT.soldBy == $NFT.author
440	}",
441	"messages": [
442	{
443	"app": "payment",
444	"if": "{
445	floor($NFT.bid * (1 - $HOUSE_CUT - $hasMaecenas ? $artist.sharePercent : 0) - 10000, 0) > 0 //enough to be worth paying
446	AND $NFT.soldBy != $NFT.by //there is at least a bid
447	}",
448	"payload": {
449	"asset": "base",
450	"outputs": [
451	{
452	"address": "{$NFT.soldBy}",
453	"amount": "{floor($NFT.bid * (1-$HOUSE_CUT - $hasMaecenas ? $artist.sharePercent: 0) - 10000, 0)}"
454	}
455	]
456	}
457	},
458	{
459	"app": "payment",
460	"payload": {
461	"asset": "{trigger.data['NFT']}",
462	"outputs": [
463	{
464	"address": "{$NFT.by}",
465	"amount": 1
466	}
467	]
468	}
469	},
470	{
471	"app": "state",
472	"state": "{ //Reset bid and by fields
473	var["locked"] -= $NFT.bid; //These bytes are no longer locked as the buyer has already withdrawn them
474	var[trigger.data["NFT"]] \|\|= {bid: 0, by: ''}; //Prepare the state for the next auction
475	if ($hasMaecenas){
476	$maecenasShare = floor($NFT.bid * $artist.sharePercent, 0);
477	var["locked"] += $maecenasShare;
478	var["artist_" \|\| $NFT.author] \|\|= {share: $artist.share + $maecenasShare};
479	}
480	}"
481	}
482	]
483	},
484	{
485	"messages": [
486	{
487	"app": "payment",
488	"if": "{
489	$NFT.soldBy != $NFT.by //If we don't do this check the seller could steal bytes from the AA if there were no bids
490	}",
491	"payload": {
492	"asset": "base",
493	"outputs": {
494	"cases": [
495	{
496	"if": "{
497	floor($NFT.bid * $ARTIST_CUT, 0) - 10000 > 0 //It is worth to pay the artist
498	AND is_valid_address($NFT.author)
499	}",
500	"outputs": [
501	{
502	"address": "{$NFT.soldBy}",
503	"amount": "{floor($NFT.bid * (1-$ARTIST_CUT-$RESALE_CUT) - 10000, 0)}"
504	},
505	{
506	"address": "{$NFT.author}",
507	"amount": "{floor($NFT.bid * $ARTIST_CUT, 0) - 10000}"
508	}
509	]
510	},
511	{
512	"outputs": [
513	{
514	"address": "{$NFT.soldBy}",
515	"amount": "{floor($NFT.bid * (1-$ARTIST_CUT-$RESALE_CUT) - 10000, 0)}"
516	}
517	]
518	}
519	]
520	}
521	}
522	},
523	{
524	"app": "payment",
525	"payload": {
526	"asset": "{trigger.data['NFT']}",
527	"outputs": [
528	{
529	"address": "{$NFT.by}",
530	"amount": 1
531	}
532	]
533	}
534	},
535	{
536	"app": "state",
537	"state": "{
538	var["locked"] -= $NFT.bid;
539	}"
540	}
541	]
542	}
543	]
544	}
545	},
546	{
547	"if": "{//[PUBLIC] Resell a NFT
548	trigger.data["method"] == "SELL"
549	}",
550	"init": "{
551	//Parameter validation
552	if (NOT exists(trigger.data["endTime"]))
553	bounce("endTime field is mandatory");
554	if (trigger.data["endTime"] < timestamp)
555	bounce("You cannot set the end time in the past");
556	if (trigger.data["endTime"] - timestamp > 2628000)
557	bounce("You cannot set the end time in more than 30 days");
558
559	if (NOT exists(trigger.data["initialPrice"]))
560	bounce("initialPrice field is mandatory");
561	if (NOT is_valid_amount(trigger.data["initialPrice"]))
562	bounce("initialPrice must be a valid amount");
563	if (trigger.data["initialPrice"] < 20000)
564	bounce("The minimum initialPrice is 20000 bytes");
565
566	//NFT validation
567	if (trigger.output[[asset!="base"]].asset == "ambigous")
568	bounce("You cannot send more than one NFT type at a time");
569	if (NOT var[trigger.output[[asset!="base"]].asset])
570	bounce("You need to send an actual NFT but you are sending only bytes");
571	$NFT = $tokenInfo(trigger.output[[asset!="base"]].asset);
572	if (NOT $NFT)
573	bounce("This NFT was not minted by us nor we listed it for sale");
574	if (trigger.output[[asset!="base"]].amount!=1)
575	bounce("You cannot auction more than 1 copy of an NFT at a time");
576	if ($NFT.isBanned)
577	bounce("We revoked the trading of that token probably due to copyright reasons");
578
579	if (timestamp < $NFT.soldAt)
580	bounce("A copy of that NFT is already being auctioned. The auction is expected to end at " \|\| timestamp_to_string($NFT.soldAt) \|\| " UTC but may be delayed depending on the number of bids");
581	else if ($NFT.bid AND typeof($NFT.bid) == "number" AND $NFT.bid != 0)
582	bounce("A copy of that NFT is already being auctioned. The auction has already ended but it has not been claimed. You can close it yourself even if you are not the max bidder");
583	}",
584	"messages": [
585	{
586	"app": "state",
587	"state": "{
588	$NFT.bid = trigger.data["initialPrice"];
589	$NFT.by = trigger.address;
590	$NFT.soldBy = trigger.address;
591	$NFT.at = timestamp;
592	$NFT.soldAt = trigger.data["endTime"];
593	var[trigger.output[[asset!="base"]].asset] \|\|= $stripToken($NFT);
594	}"
595	}
596	]
597	},
598	{
599	"if": "{
600	trigger.data["method"] == "PRELIST"
601	}",
602	"init": "{
603	if (NOT exists(trigger.data["NFT"]))
604	bounce("NFT field is mandatory");
605	if (NOT asset[trigger.data["NFT"]].exists)
606	bounce("That NFT does not exist within the Obyte network");
607	if (NOT asset[trigger.data["NFT"]].is_transferrable)
608	bounce("That NFT is not tradeable");
609	if (NOT exists(trigger.data["ipfs"]))
610	bounce("ipfs field is mandatory");
611	if (NOT exists(trigger.data["seller"]))
612	bounce("seller field is mandatory");
613	if (NOT is_valid_address(trigger.data["seller"]))
614	bounce("The seller address is not valid");
615	if (NOT exists(trigger.data["duration"]))
616	bounce("duration field is mandatory. Enter the auction duration in seconds");
617	if (NOT is_integer(trigger.data["duration"]))
618	bounce("duration field is not a valid amount of seconds");
619	if (trigger.data["duration"] > 2628000)
620	bounce("The auction cannot last more than 30 days");
621	}",
622	"messages": [
623	{
624	"app": "state",
625	"state": "{
626	var[trigger.data["NFT"]] = {
627	ipfs: trigger.data["ipfs"], //Hash of the content
628	author: 'foreign', //The original seller is locked to foreign for foreign NFTs
629	soldBy: trigger.data["seller"],
630	duration: trigger.data["duration"] //Duration of the auction in seconds
631	};
632	}"
633	}
634	]
635	},
636	{
637	"if": "{
638	trigger.data["method"] == "ENABLE_INVESTING"
639	}",
640	"init": "{
641	if (var["artist_" \|\| trigger.address])
642	bounce("You are already accepting investments");
643	if (NOT exists(trigger.data["share"]))
644	bounce("share field is mandatory");
645	if (NOT is_integer(trigger.data["share"]) OR trigger.data["share"] < 1 OR trigger.data["share"] > 50)
646	bounce("share must be an integer between 1 - 50");
647	}",
648	"messages": [
649	{
650	"app": "state",
651	"state": "{
652	var["artist_" \|\| trigger.address] = {
653	supply: 0,
654	share: 0,
655	sharePercent: trigger.data["share"]/100
656	};
657	}"
658	}
659	]
660	},
661	{
662	"if": "{
663	trigger.data["method"] == "DIVEST"
664	}",
665	"init": "{
666	if (NOT exists(trigger.data["artist"]))
667	bounce("artist field is mandatory");
668	if (NOT is_valid_address(trigger.data["artist"]))
669	bounce("artist must be a valid address");
670	if (NOT var["artist_" \|\| trigger.data["artist"]])
671	bounce("That artist has never accepted maecenas");
672	if (NOT trigger.data["amount"])
673	bounce("amount field is mandatory");
674	if (NOT is_integer(trigger.data["amount"] OR trigger.data["amount"] <= 0))
675	bounce("amount must be an integer > 0");
676	if (trigger.data["amount"] > var["maecenas_" \|\| trigger.address \|\| "_" \|\| trigger.data["artist"]])
677	bounce("You only have " \|\| var["maecenas_" \|\| trigger.address \|\| "_" \|\| trigger.data["artist"]] \|\| " shares of that artist");
678	if (NOT var["maecenas_" \|\| trigger.address \|\| "_" \|\| trigger.data["artist"]])
679	bounce("You never funded that artist");
680
681	$artist = $artistInfo(trigger.data["artist"]);
682	$yourShare = floor($artist.share * trigger.data["amount"]/$artist.supply, 0);
683
684	if ($yourShare < 20000)
685	bounce("It is not worth divesting your share");
686	}",
687	"messages": [
688	{
689	"app": "payment",
690	"payload": {
691	"asset": "base",
692	"outputs": [
693	{
694	"address": "{trigger.data["artist"]}",
695	"amount": "{$yourShare - 10000}"
696	}
697	]
698	}
699	},
700	{
701	"app": "state",
702	"state": "{
703	var["artist_" \|\| trigger.data["artist"]] \|\|= {
704	share: var["artist_" \|\| trigger.data["artist"]]["share"] - $yourShare, //Decrease the share by the amount just divested
705	supply: var["artist_" \|\| trigger.data["artist"]]["supply"] - trigger.data["amount"] //Decrease the supply by the shares used to divest
706	};
707	var["maecenas_" \|\| trigger.address \|\| "_" \|\| trigger.data["artist"]] -= trigger.data["amount"];
708	var["locked"] -= $yourShare;
709	}"
710	}
711	]
712	},
713	{
714	"if": "{
715	trigger.data["method"] == "INVEST"
716	}",
717	"init": "{
718	if (NOT exists(trigger.data["artist"]))
719	bounce("artist field is mandatory");
720	if (NOT is_valid_address(trigger.data["artist"]))
721	bounce("artist field is not a valid address");
722	if (NOT var["artist_" \|\| trigger.data["artist"]])
723	bounce("That artist is not accepting maecenas");
724	if (NOT exists(trigger.data["amount"]))
725	bounce("amount field is mandatory");
726	if (NOT is_integer(trigger.data["amount"]) OR trigger.data["amount"] <= 0)
727	bounce("amount must be a positive integer");
728
729	$artist = $artistInfo(trigger.data["artist"]);
730	$x0 = $artist.supply;
731	$x1 = $artist.supply + trigger.data["amount"];
732
733	$upToFirstToken = 11511570 * $x0 * (1 + $x0) * (1 + 2 * $x0);
734	$upToTargetPurchase = 11511570 * $x1 * (1 + $x1) * (1 + 2 * $x1);
735
736	$totalCost = round($upToTargetPurchase - $upToFirstToken, 0);
737
738	if (trigger.output[[asset="base"]].amount < $totalCost)
739	bounce("Your payment is not enough for that purchase. You need to send " \|\| $totalCost - trigger.output[[asset="base"]].amount \|\| " bytes more or reduce the amount of maecenas tokens you are buying");
740	}",
741	"messages": [
742	{
743	"app": "payment",
744	"payload": {
745	"asset": "base",
746	"outputs": [
747	{
748	"address": "{trigger.data["artist"]}",
749	"amount": "{$totalCost - 10000}"
750	}
751	]
752	}
753	},
754	{
755	"app": "state",
756	"state": "{
757	var["artist_" \|\| trigger.data["artist"]] \|\|= {supply: $artist.supply + trigger.data["amount"]};
758	if (var["maecenas_" \|\| trigger.address \|\| "_" \|\| trigger.data["artist"]])
759	var["maecenas_" \|\| trigger.address \|\| "_" \|\| trigger.data["artist"]] += trigger.data["amount"];
760	else
761	var["maecenas_" \|\| trigger.address \|\| "_" \|\| trigger.data["artist"]] = trigger.data["amount"];
762	}"
763	}
764	]
765	}
766	]
767	}
768	}
769	]