w8 · tx · 9MH···XH1

tx · 9MHM6rYEE4J74pRrDBiYcp4fEN4MEhZ3Wv37UwLTVXH1

3MtoBpCc3s2T4CxasJ5MXrZZsU339D28mvD:  -0.01400000 Waves

2021.05.27 12:16 [1543872] smart account 3MtoBpCc3s2T4CxasJ5MXrZZsU339D28mvD > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "9MHM6rYEE4J74pRrDBiYcp4fEN4MEhZ3Wv37UwLTVXH1",
    "fee": 1400000,
    "feeAssetId": null,
    "timestamp": 1622107021321,
    "version": 2,
    "chainId": 84,
    "sender": "3MtoBpCc3s2T4CxasJ5MXrZZsU339D28mvD",
    "senderPublicKey": "8SRjg8K8B7rhV2pih6qRgku886VQE4phwNCDjWZu1fUe",
    "proofs": [
        "2LgSN4mxGDZiVHyhKVScsAcLfRTPnNp9pobVVQBG91fr4rxd3oMrxmdUwrs86D8H69vzPtBeAbChW2man8jwb7v2"
    ],
    "script": "base64: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",
    "height": 1543872,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Diff: 
Old New Differences
147 147  
148 148  
149 149  @Callable(i)
150 - func exchangeAssetToken (assetId,amount) = if (!(isDefined(value(i.payments))))
151 -     then throw("need attach payment with NYAN-25")
152 -     else {
153 -         let payment = i.payments[0]
154 - [ScriptTransfer(Address(i.caller.bytes), amount, fromBase58String(assetId)), Burn(value(payment.assetId), payment.amount)]
155 -         }
150 + func exchangeAssetToken (assetId,amount) = {
151 +     let payments = i.payments
152 +     let paymentsSize = size(payments)
153 + [IntegerEntry("payments", paymentsSize)]
154 +     }
156 155  
157 156  
158 157  @Verifier(tx)
Full: 
Old New Differences
1 1  {-# STDLIB_VERSION 4 #-}
2 2  {-# SCRIPT_TYPE ACCOUNT #-}
3 3  {-# CONTENT_TYPE DAPP #-}
4 4  func getNumberByKey (key) = {
5 5      let number =     match getInteger(this, key) {
6 6          case a: Int => 
7 7              a
8 8          case _ => 
9 9              0
10 10      }
11 11      number
12 12      }
13 13  
14 14  
15 15  let NONE = "none"
16 16  
17 17  func getStringByKey (key) = {
18 18      let string =     match getString(this, key) {
19 19          case a: String => 
20 20              a
21 21          case _ => 
22 22              NONE
23 23      }
24 24      string
25 25      }
26 26  
27 27  
28 28  func getKeyUserEmail (user) = (("user_" + user) + "_email")
29 29  
30 30  
31 31  func getValueUserEmail (user) = getStringByKey(getKeyUserEmail(user))
32 32  
33 33  
34 34  func getKeyNyanToken () = "dApp_tokenId"
35 35  
36 36  
37 37  func getValueNyanToken () = getStringByKey(getKeyNyanToken())
38 38  
39 39  
40 40  func getKeyAssetPrice (asset) = (("asset_" + asset) + "_price")
41 41  
42 42  
43 43  func getValueAssetPrice (asset) = getNumberByKey(getKeyAssetPrice(asset))
44 44  
45 45  
46 46  func getKeyAssetData (asset) = (("asset_" + asset) + "_data")
47 47  
48 48  
49 49  func getValueAssetData (asset) = getStringByKey(getKeyAssetPrice(asset))
50 50  
51 51  
52 52  @Callable(i)
53 53  func signUp (email) = {
54 54      let userAddressStr = toBase58String(i.caller.bytes)
55 55      let userEmailStr = getValueUserEmail(userAddressStr)
56 56      if ((userEmailStr != NONE))
57 57          then throw("User is already registered")
58 58          else [StringEntry(getKeyUserEmail(userEmailStr), email)]
59 59      }
60 60  
61 61  
62 62  
63 63  @Callable(i)
64 64  func issueNyanToken (quantity) = {
65 65      let nyanTokenStr = getValueNyanToken()
66 66      if ((nyanTokenStr != NONE))
67 67          then throw("NYAN Token already issued")
68 68          else {
69 69              let nyanTokenIssue = Issue("NYAN Token", "NYAN Token is a cryptocurrency token that operates on the Waves platform", quantity, 0, true)
70 70              let nyanTokenAssetIdStr = toBase58String(calculateAssetId(nyanTokenIssue))
71 71  [nyanTokenIssue, StringEntry(getKeyNyanToken(), nyanTokenAssetIdStr)]
72 72              }
73 73      }
74 74  
75 75  
76 76  
77 77  @Callable(i)
78 78  func reissueNyanToken (quantity) = {
79 79      let nyanTokenStr = getValueNyanToken()
80 80      if ((nyanTokenStr != NONE))
81 81          then throw("NYAN Token was not issued")
82 82          else {
83 83              let nyanToken = fromBase58String(nyanTokenStr)
84 84  [Reissue(nyanToken, quantity, true)]
85 85              }
86 86      }
87 87  
88 88  
89 89  
90 90  @Callable(i)
91 91  func transferNyanToken (recipient,amount) = {
92 92      let userEmailStr = getValueUserEmail(recipient)
93 93      let nyanTokenStr = getValueNyanToken()
94 94      let nyanToken = fromBase58String(nyanTokenStr)
95 95      let currentDAppBalance = assetBalance(this, nyanToken)
96 96      let newDAppBalance = (currentDAppBalance - amount)
97 97      if ((userEmailStr == NONE))
98 98          then throw("You cannot transfer NYAN Token to a user who is not registered")
99 99          else if ((0 > amount))
100 100              then throw("It is impossible to transfer a negative amount")
101 101              else if ((0 > newDAppBalance))
102 102                  then throw("Not enough NYAN Tokens to transfer")
103 103                  else {
104 104                      let recipientAddress = Address(fromBase58String(recipient))
105 105  [ScriptTransfer(recipientAddress, amount, nyanToken)]
106 106                      }
107 107      }
108 108  
109 109  
110 110  
111 111  @Callable(i)
112 112  func issueAssetToken (name,description,quantity,price,data) = {
113 113      let assetTokenIssue = Issue(name, description, quantity, 0, true)
114 114      let assetTokenAssetIdStr = toBase58String(calculateAssetId(assetTokenIssue))
115 115      if ((quantity == 0))
116 116          then [assetTokenIssue, IntegerEntry(getKeyAssetPrice(assetTokenAssetIdStr), price), StringEntry(getKeyAssetData(assetTokenAssetIdStr), data)]
117 117          else {
118 118              let nyanTokenStr = getValueNyanToken()
119 119              let nyanToken = fromBase58String(nyanTokenStr)
120 120              let currentDAppBalance = assetBalance(this, nyanToken)
121 121              let amount = (quantity * price)
122 122              let newDAppBalance = (currentDAppBalance - amount)
123 123              if ((0 > newDAppBalance))
124 124                  then throw("Not enough NYAN Tokens to issue an asset")
125 125                  else [assetTokenIssue, Burn(nyanToken, amount), IntegerEntry(getKeyAssetPrice(assetTokenAssetIdStr), price), StringEntry(getKeyAssetData(assetTokenAssetIdStr), data)]
126 126              }
127 127      }
128 128  
129 129  
130 130  
131 131  @Callable(i)
132 132  func reissueAssetToken (assetId,quantity) = {
133 133      let nyanTokenStr = getValueNyanToken()
134 134      let nyanToken = fromBase58String(nyanTokenStr)
135 135      let currentDAppBalance = assetBalance(this, nyanToken)
136 136      let assetPrice = getValueAssetPrice(assetId)
137 137      let amount = (quantity * assetPrice)
138 138      let newDAppBalance = (currentDAppBalance - amount)
139 139      if ((0 > newDAppBalance))
140 140          then throw("Not enough NYAN Tokens to reissue an asset")
141 141          else {
142 142              let assetTokenAssetId = fromBase58String(assetId)
143 143  [Reissue(assetTokenAssetId, quantity, true), Burn(nyanToken, amount)]
144 144              }
145 145      }
146 146  
147 147  
148 148  
149 149  @Callable(i)
150 - func exchangeAssetToken (assetId,amount) = if (!(isDefined(value(i.payments))))
151 -     then throw("need attach payment with NYAN-25")
152 -     else {
153 -         let payment = i.payments[0]
154 - [ScriptTransfer(Address(i.caller.bytes), amount, fromBase58String(assetId)), Burn(value(payment.assetId), payment.amount)]
155 -         }
150 + func exchangeAssetToken (assetId,amount) = {
151 +     let payments = i.payments
152 +     let paymentsSize = size(payments)
153 + [IntegerEntry("payments", paymentsSize)]
154 +     }
156 155  
157 156  
158 157  @Verifier(tx)
159 158  func verify () = sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey)
160 159

Old	New		Differences
147	147
148	148
149	149		@Callable(i)
150		-	func exchangeAssetToken (assetId,amount) = if (!(isDefined(value(i.payments))))
151		-	then throw("need attach payment with NYAN-25")
152		-	else {
153		-	let payment = i.payments[0]
154		-	[ScriptTransfer(Address(i.caller.bytes), amount, fromBase58String(assetId)), Burn(value(payment.assetId), payment.amount)]
155		-	}
	150	+	func exchangeAssetToken (assetId,amount) = {
	151	+	let payments = i.payments
	152	+	let paymentsSize = size(payments)
	153	+	[IntegerEntry("payments", paymentsSize)]
	154	+	}
156	155
157	156
158	157		@Verifier(tx)

Old	New		Differences
1	1		{-# STDLIB_VERSION 4 #-}
2	2		{-# SCRIPT_TYPE ACCOUNT #-}
3	3		{-# CONTENT_TYPE DAPP #-}
4	4		func getNumberByKey (key) = {
5	5		let number = match getInteger(this, key) {
6	6		case a: Int =>
7	7		a
8	8		case _ =>
9	9		0
10	10		}
11	11		number
12	12		}
13	13
14	14
15	15		let NONE = "none"
16	16
17	17		func getStringByKey (key) = {
18	18		let string = match getString(this, key) {
19	19		case a: String =>
20	20		a
21	21		case _ =>
22	22		NONE
23	23		}
24	24		string
25	25		}
26	26
27	27
28	28		func getKeyUserEmail (user) = (("user_" + user) + "_email")
29	29
30	30
31	31		func getValueUserEmail (user) = getStringByKey(getKeyUserEmail(user))
32	32
33	33
34	34		func getKeyNyanToken () = "dApp_tokenId"
35	35
36	36
37	37		func getValueNyanToken () = getStringByKey(getKeyNyanToken())
38	38
39	39
40	40		func getKeyAssetPrice (asset) = (("asset_" + asset) + "_price")
41	41
42	42
43	43		func getValueAssetPrice (asset) = getNumberByKey(getKeyAssetPrice(asset))
44	44
45	45
46	46		func getKeyAssetData (asset) = (("asset_" + asset) + "_data")
47	47
48	48
49	49		func getValueAssetData (asset) = getStringByKey(getKeyAssetPrice(asset))
50	50
51	51
52	52		@Callable(i)
53	53		func signUp (email) = {
54	54		let userAddressStr = toBase58String(i.caller.bytes)
55	55		let userEmailStr = getValueUserEmail(userAddressStr)
56	56		if ((userEmailStr != NONE))
57	57		then throw("User is already registered")
58	58		else [StringEntry(getKeyUserEmail(userEmailStr), email)]
59	59		}
60	60
61	61
62	62
63	63		@Callable(i)
64	64		func issueNyanToken (quantity) = {
65	65		let nyanTokenStr = getValueNyanToken()
66	66		if ((nyanTokenStr != NONE))
67	67		then throw("NYAN Token already issued")
68	68		else {
69	69		let nyanTokenIssue = Issue("NYAN Token", "NYAN Token is a cryptocurrency token that operates on the Waves platform", quantity, 0, true)
70	70		let nyanTokenAssetIdStr = toBase58String(calculateAssetId(nyanTokenIssue))
71	71		[nyanTokenIssue, StringEntry(getKeyNyanToken(), nyanTokenAssetIdStr)]
72	72		}
73	73		}
74	74
75	75
76	76
77	77		@Callable(i)
78	78		func reissueNyanToken (quantity) = {
79	79		let nyanTokenStr = getValueNyanToken()
80	80		if ((nyanTokenStr != NONE))
81	81		then throw("NYAN Token was not issued")
82	82		else {
83	83		let nyanToken = fromBase58String(nyanTokenStr)
84	84		[Reissue(nyanToken, quantity, true)]
85	85		}
86	86		}
87	87
88	88
89	89
90	90		@Callable(i)
91	91		func transferNyanToken (recipient,amount) = {
92	92		let userEmailStr = getValueUserEmail(recipient)
93	93		let nyanTokenStr = getValueNyanToken()
94	94		let nyanToken = fromBase58String(nyanTokenStr)
95	95		let currentDAppBalance = assetBalance(this, nyanToken)
96	96		let newDAppBalance = (currentDAppBalance - amount)
97	97		if ((userEmailStr == NONE))
98	98		then throw("You cannot transfer NYAN Token to a user who is not registered")
99	99		else if ((0 > amount))
100	100		then throw("It is impossible to transfer a negative amount")
101	101		else if ((0 > newDAppBalance))
102	102		then throw("Not enough NYAN Tokens to transfer")
103	103		else {
104	104		let recipientAddress = Address(fromBase58String(recipient))
105	105		[ScriptTransfer(recipientAddress, amount, nyanToken)]
106	106		}
107	107		}
108	108
109	109
110	110
111	111		@Callable(i)
112	112		func issueAssetToken (name,description,quantity,price,data) = {
113	113		let assetTokenIssue = Issue(name, description, quantity, 0, true)
114	114		let assetTokenAssetIdStr = toBase58String(calculateAssetId(assetTokenIssue))
115	115		if ((quantity == 0))
116	116		then [assetTokenIssue, IntegerEntry(getKeyAssetPrice(assetTokenAssetIdStr), price), StringEntry(getKeyAssetData(assetTokenAssetIdStr), data)]
117	117		else {
118	118		let nyanTokenStr = getValueNyanToken()
119	119		let nyanToken = fromBase58String(nyanTokenStr)
120	120		let currentDAppBalance = assetBalance(this, nyanToken)
121	121		let amount = (quantity * price)
122	122		let newDAppBalance = (currentDAppBalance - amount)
123	123		if ((0 > newDAppBalance))
124	124		then throw("Not enough NYAN Tokens to issue an asset")
125	125		else [assetTokenIssue, Burn(nyanToken, amount), IntegerEntry(getKeyAssetPrice(assetTokenAssetIdStr), price), StringEntry(getKeyAssetData(assetTokenAssetIdStr), data)]
126	126		}
127	127		}
128	128
129	129
130	130
131	131		@Callable(i)
132	132		func reissueAssetToken (assetId,quantity) = {
133	133		let nyanTokenStr = getValueNyanToken()
134	134		let nyanToken = fromBase58String(nyanTokenStr)
135	135		let currentDAppBalance = assetBalance(this, nyanToken)
136	136		let assetPrice = getValueAssetPrice(assetId)
137	137		let amount = (quantity * assetPrice)
138	138		let newDAppBalance = (currentDAppBalance - amount)
139	139		if ((0 > newDAppBalance))
140	140		then throw("Not enough NYAN Tokens to reissue an asset")
141	141		else {
142	142		let assetTokenAssetId = fromBase58String(assetId)
143	143		[Reissue(assetTokenAssetId, quantity, true), Burn(nyanToken, amount)]
144	144		}
145	145		}
146	146
147	147
148	148
149	149		@Callable(i)
150		-	func exchangeAssetToken (assetId,amount) = if (!(isDefined(value(i.payments))))
151		-	then throw("need attach payment with NYAN-25")
152		-	else {
153		-	let payment = i.payments[0]
154		-	[ScriptTransfer(Address(i.caller.bytes), amount, fromBase58String(assetId)), Burn(value(payment.assetId), payment.amount)]
155		-	}
	150	+	func exchangeAssetToken (assetId,amount) = {
	151	+	let payments = i.payments
	152	+	let paymentsSize = size(payments)
	153	+	[IntegerEntry("payments", paymentsSize)]
	154	+	}
156	155
157	156
158	157		@Verifier(tx)
159	158		func verify () = sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey)
160	159

github/deemru/w8io/169f3d6 
44.25 ms ◑