w8 · tx · 5dv···i6Q

tx · 5dv17W9kjENMd97aBmUVcFFCMC5fR3Ahvm8gbAVtTi6Q

3Mr6LNXTo2cMvNMrka9pV1pwHZFXVHULoue:  -0.01400000 Waves

2021.12.06 09:59 [1822072] smart account 3Mr6LNXTo2cMvNMrka9pV1pwHZFXVHULoue > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "5dv17W9kjENMd97aBmUVcFFCMC5fR3Ahvm8gbAVtTi6Q",
    "fee": 1400000,
    "feeAssetId": null,
    "timestamp": 1638774010719,
    "version": 2,
    "chainId": 84,
    "sender": "3Mr6LNXTo2cMvNMrka9pV1pwHZFXVHULoue",
    "senderPublicKey": "9tHFZ3PMkyXBYPkjU77RdMPEGBzfm7BWxfuHvGjgdrv5",
    "proofs": [
        "2pAX3MKJs2PtEpzLvFcuxRHckAarcG4WU3iJe9BhEMud4QioyD1Dn8zBAQChHmQ17BEHcQVy4kfihw5vrNxSyzEb"
    ],
    "script": "base64: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",
    "height": 1822072,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Diff: 
Old New Differences
8 8  
9 9  
10 10  func issuerKey (asset) = (asset + "_issuer")
11 + 
12 + 
13 + func nameKey (asset) = (asset + "_name")
11 14  
12 15  
13 16  func descriptionKey (asset) = (asset + "_description")
59 62          then asset.reissuable
60 63          else false)
61 64          then throw("Asset is not NFT")
62 -         else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes)), StringEntry(issuerKey(assetIdStr), toBase58String(asset.issuer.bytes)), StringEntry(descriptionKey(assetIdStr), asset.description)]
65 +         else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes)), StringEntry(issuerKey(assetIdStr), toBase58String(asset.issuer.bytes)), StringEntry(nameKey(assetIdStr), asset.name), StringEntry(descriptionKey(assetIdStr), asset.description)]
63 66      }
64 67  
65 68  
91 94                  then throw("Insufficient funds")
92 95                  else {
93 96                      let fee = ((price / 100) * 5)
94 - [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, (price - fee), unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
97 + [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, (price - fee), unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(nameKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
95 98                      }
96 99      }
97 100  
108 111      }
109 112      if ((ownerStr != toBase58String(i.caller.bytes)))
110 113          then throw("The calling address is not the owner of the NFT token")
111 -         else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
114 +         else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(nameKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
112 115      }
113 116  
114 117  
Full: 
Old New Differences
1 1  {-# STDLIB_VERSION 5 #-}
2 2  {-# SCRIPT_TYPE ACCOUNT #-}
3 3  {-# CONTENT_TYPE DAPP #-}
4 4  func priceKey (asset) = (asset + "_price")
5 5  
6 6  
7 7  func ownerKey (asset) = (asset + "_owner")
8 8  
9 9  
10 10  func issuerKey (asset) = (asset + "_issuer")
11 + 
12 + 
13 + func nameKey (asset) = (asset + "_name")
11 14  
12 15  
13 16  func descriptionKey (asset) = (asset + "_description")
14 17  
15 18  
16 19  func tryGetInteger (key) = {
17 20      let val =     match getInteger(this, key) {
18 21          case b: Int => 
19 22              b
20 23          case _ => 
21 24              0
22 25      }
23 26      val
24 27      }
25 28  
26 29  
27 30  func tryGetString (key) = {
28 31      let val =     match getString(this, key) {
29 32          case b: String => 
30 33              b
31 34          case _ => 
32 35              ""
33 36      }
34 37      val
35 38      }
36 39  
37 40  
38 41  @Callable(i)
39 42  func offerForSale (price) = {
40 43      let firstPayment = value(i.payments[0])
41 44      let assetId =     match firstPayment.assetId {
42 45          case id: ByteVector => 
43 46              id
44 47          case w: Unit => 
45 48              throw("Asset is not NFT")
46 49          case _ => 
47 50              throw("Match error")
48 51      }
49 52      let assetIdStr = toBase58String(assetId)
50 53      let asset =     match assetInfo(assetId) {
51 54          case a: Asset => 
52 55              a
53 56          case _ => 
54 57              throw("Error getting information about asset")
55 58      }
56 59      if (if (if ((asset.quantity != 1))
57 60          then (asset.decimals != 0)
58 61          else false)
59 62          then asset.reissuable
60 63          else false)
61 64          then throw("Asset is not NFT")
62 -         else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes)), StringEntry(issuerKey(assetIdStr), toBase58String(asset.issuer.bytes)), StringEntry(descriptionKey(assetIdStr), asset.description)]
65 +         else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes)), StringEntry(issuerKey(assetIdStr), toBase58String(asset.issuer.bytes)), StringEntry(nameKey(assetIdStr), asset.name), StringEntry(descriptionKey(assetIdStr), asset.description)]
63 66      }
64 67  
65 68  
66 69  
67 70  @Callable(i)
68 71  func buy (assetStr) = {
69 72      let price = tryGetInteger(priceKey(assetStr))
70 73      let ownerStr = tryGetString(ownerKey(assetStr))
71 74      let owner =     match addressFromString(ownerStr) {
72 75          case a: Address => 
73 76              a
74 77          case _ => 
75 78              throw("Address parsing error")
76 79      }
77 80      let firstPayment = value(i.payments[0])
78 81      let firstPaymentBool =     match firstPayment.assetId {
79 82          case t: ByteVector => 
80 83              true
81 84          case w: Unit => 
82 85              false
83 86          case _ => 
84 87              throw("Match error")
85 88      }
86 89      if ((price == 0))
87 90          then throw("This NFT is not for sale")
88 91          else if (firstPaymentBool)
89 92              then throw("Payment must be in Waves tokens only")
90 93              else if ((price > firstPayment.amount))
91 94                  then throw("Insufficient funds")
92 95                  else {
93 96                      let fee = ((price / 100) * 5)
94 - [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, (price - fee), unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
97 + [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, (price - fee), unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(nameKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
95 98                      }
96 99      }
97 100  
98 101  
99 102  
100 103  @Callable(i)
101 104  func cancelSelling (assetStr) = {
102 105      let ownerStr = tryGetString(ownerKey(assetStr))
103 106      let owner =     match addressFromString(ownerStr) {
104 107          case a: Address => 
105 108              a
106 109          case _ => 
107 110              throw("Address parsing error")
108 111      }
109 112      if ((ownerStr != toBase58String(i.caller.bytes)))
110 113          then throw("The calling address is not the owner of the NFT token")
111 -         else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
114 +         else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(nameKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
112 115      }
113 116  
114 117  
115 118  @Verifier(tx)
116 119  func verify () = sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey)
117 120

Old	New		Differences
8	8
9	9
10	10		func issuerKey (asset) = (asset + "_issuer")
	11	+
	12	+
	13	+	func nameKey (asset) = (asset + "_name")
11	14
12	15
13	16		func descriptionKey (asset) = (asset + "_description")

59	62		then asset.reissuable
60	63		else false)
61	64		then throw("Asset is not NFT")
62		-	else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes)), StringEntry(issuerKey(assetIdStr), toBase58String(asset.issuer.bytes)), StringEntry(descriptionKey(assetIdStr), asset.description)]
	65	+	else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes)), StringEntry(issuerKey(assetIdStr), toBase58String(asset.issuer.bytes)), StringEntry(nameKey(assetIdStr), asset.name), StringEntry(descriptionKey(assetIdStr), asset.description)]
63	66		}
64	67
65	68

91	94		then throw("Insufficient funds")
92	95		else {
93	96		let fee = ((price / 100) * 5)
94		-	[ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, (price - fee), unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
	97	+	[ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, (price - fee), unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(nameKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
95	98		}
96	99		}
97	100

108	111		}
109	112		if ((ownerStr != toBase58String(i.caller.bytes)))
110	113		then throw("The calling address is not the owner of the NFT token")
111		-	else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
	114	+	else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(nameKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
112	115		}
113	116
114	117

Old	New		Differences
1	1		{-# STDLIB_VERSION 5 #-}
2	2		{-# SCRIPT_TYPE ACCOUNT #-}
3	3		{-# CONTENT_TYPE DAPP #-}
4	4		func priceKey (asset) = (asset + "_price")
5	5
6	6
7	7		func ownerKey (asset) = (asset + "_owner")
8	8
9	9
10	10		func issuerKey (asset) = (asset + "_issuer")
	11	+
	12	+
	13	+	func nameKey (asset) = (asset + "_name")
11	14
12	15
13	16		func descriptionKey (asset) = (asset + "_description")
14	17
15	18
16	19		func tryGetInteger (key) = {
17	20		let val = match getInteger(this, key) {
18	21		case b: Int =>
19	22		b
20	23		case _ =>
21	24		0
22	25		}
23	26		val
24	27		}
25	28
26	29
27	30		func tryGetString (key) = {
28	31		let val = match getString(this, key) {
29	32		case b: String =>
30	33		b
31	34		case _ =>
32	35		""
33	36		}
34	37		val
35	38		}
36	39
37	40
38	41		@Callable(i)
39	42		func offerForSale (price) = {
40	43		let firstPayment = value(i.payments[0])
41	44		let assetId = match firstPayment.assetId {
42	45		case id: ByteVector =>
43	46		id
44	47		case w: Unit =>
45	48		throw("Asset is not NFT")
46	49		case _ =>
47	50		throw("Match error")
48	51		}
49	52		let assetIdStr = toBase58String(assetId)
50	53		let asset = match assetInfo(assetId) {
51	54		case a: Asset =>
52	55		a
53	56		case _ =>
54	57		throw("Error getting information about asset")
55	58		}
56	59		if (if (if ((asset.quantity != 1))
57	60		then (asset.decimals != 0)
58	61		else false)
59	62		then asset.reissuable
60	63		else false)
61	64		then throw("Asset is not NFT")
62		-	else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes)), StringEntry(issuerKey(assetIdStr), toBase58String(asset.issuer.bytes)), StringEntry(descriptionKey(assetIdStr), asset.description)]
	65	+	else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes)), StringEntry(issuerKey(assetIdStr), toBase58String(asset.issuer.bytes)), StringEntry(nameKey(assetIdStr), asset.name), StringEntry(descriptionKey(assetIdStr), asset.description)]
63	66		}
64	67
65	68
66	69
67	70		@Callable(i)
68	71		func buy (assetStr) = {
69	72		let price = tryGetInteger(priceKey(assetStr))
70	73		let ownerStr = tryGetString(ownerKey(assetStr))
71	74		let owner = match addressFromString(ownerStr) {
72	75		case a: Address =>
73	76		a
74	77		case _ =>
75	78		throw("Address parsing error")
76	79		}
77	80		let firstPayment = value(i.payments[0])
78	81		let firstPaymentBool = match firstPayment.assetId {
79	82		case t: ByteVector =>
80	83		true
81	84		case w: Unit =>
82	85		false
83	86		case _ =>
84	87		throw("Match error")
85	88		}
86	89		if ((price == 0))
87	90		then throw("This NFT is not for sale")
88	91		else if (firstPaymentBool)
89	92		then throw("Payment must be in Waves tokens only")
90	93		else if ((price > firstPayment.amount))
91	94		then throw("Insufficient funds")
92	95		else {
93	96		let fee = ((price / 100) * 5)
94		-	[ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, (price - fee), unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
	97	+	[ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, (price - fee), unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(nameKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
95	98		}
96	99		}
97	100
98	101
99	102
100	103		@Callable(i)
101	104		func cancelSelling (assetStr) = {
102	105		let ownerStr = tryGetString(ownerKey(assetStr))
103	106		let owner = match addressFromString(ownerStr) {
104	107		case a: Address =>
105	108		a
106	109		case _ =>
107	110		throw("Address parsing error")
108	111		}
109	112		if ((ownerStr != toBase58String(i.caller.bytes)))
110	113		then throw("The calling address is not the owner of the NFT token")
111		-	else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
	114	+	else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr)), DeleteEntry(issuerKey(assetStr)), DeleteEntry(nameKey(assetStr)), DeleteEntry(descriptionKey(assetStr))]
112	115		}
113	116
114	117
115	118		@Verifier(tx)
116	119		func verify () = sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey)
117	120

github/deemru/w8io/169f3d6 
34.29 ms ◑