w8 · tx · 8ub···KDE

tx · 8ubdGLD6vFVDPUQL7ZmfcMiexTLeuEALfM6agDECVKDE

3Mr5qPbeVKxVRjGMAumaEkSK7dMo3FbtFYE:  -0.01400000 Waves

2021.06.21 23:53 [1580645] smart account 3Mr5qPbeVKxVRjGMAumaEkSK7dMo3FbtFYE > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "8ubdGLD6vFVDPUQL7ZmfcMiexTLeuEALfM6agDECVKDE",
    "fee": 1400000,
    "feeAssetId": null,
    "timestamp": 1624308802555,
    "version": 2,
    "chainId": 84,
    "sender": "3Mr5qPbeVKxVRjGMAumaEkSK7dMo3FbtFYE",
    "senderPublicKey": "EsW1U1EWPD2yLGRwTq3i9ftXRvWVpLbNz9R8U9xAF4e8",
    "proofs": [
        "4fd6DP5Us1SD1eSS71fTsRa9jeicmNno6RXhJmSxHfRi4fPMwi6mGGiX66iZ37UVmHj4RZpgWiRWGVRJYMFGCyff"
    ],
    "script": "base64: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    "height": 1580645,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Diff: 
Old New Differences
35 35  
36 36  
37 37  func stringToByteVector (string) = fromBase58String(string)
38 + 
39 + 
40 + func isAdmin (caller) = (this == caller)
38 41  
39 42  
40 43  func getUserEmailKey (userEmail) = (("user_" + userEmail) + "_email")
89 92  @Callable(i)
90 93  func reissueNyanToken (quantity) = {
91 94      let nyanToken = getNyanTokenValue(this)
92 -     if ((nyanToken == NONE))
93 -         then throw("NYAN Token was not issued")
94 -         else [Reissue(stringToByteVector(nyanToken), quantity, true)]
95 +     if (!(isAdmin(i.caller)))
96 +         then throw("not admin, // TODO message")
97 +         else if ((nyanToken == NONE))
98 +             then throw("NYAN Token was not issued")
99 +             else [Reissue(stringToByteVector(nyanToken), quantity, true)]
95 100      }
96 101  
97 102  
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 addressToString (address) = toBase58String(address.bytes)
29 29  
30 30  
31 31  func stringToAddress (string) = Address(fromBase58String(string))
32 32  
33 33  
34 34  func byteVectorToString (byteVector) = toBase58String(byteVector)
35 35  
36 36  
37 37  func stringToByteVector (string) = fromBase58String(string)
38 + 
39 + 
40 + func isAdmin (caller) = (this == caller)
38 41  
39 42  
40 43  func getUserEmailKey (userEmail) = (("user_" + userEmail) + "_email")
41 44  
42 45  
43 46  func getUserEmailValue (userEmail) = getStringByKey(getUserEmailKey(userEmail))
44 47  
45 48  
46 49  func getNyanTokenKey (dAppAddress) = (("dApp_" + addressToString(dAppAddress)) + "_tokenId")
47 50  
48 51  
49 52  func getNyanTokenValue (dAppAddress) = getStringByKey(getNyanTokenKey(dAppAddress))
50 53  
51 54  
52 55  func getAssetPriceKey (assetId) = (("asset_" + assetId) + "_price")
53 56  
54 57  
55 58  func getAssetPriceValue (assetId) = getNumberByKey(getAssetPriceKey(assetId))
56 59  
57 60  
58 61  func getAssetDataKey (assetId) = (("asset_" + assetId) + "_data")
59 62  
60 63  
61 64  func getAssetDataValue (assetId) = getStringByKey(getAssetPriceKey(assetId))
62 65  
63 66  
64 67  @Callable(i)
65 68  func signUp (email) = {
66 69      let userAddress = addressToString(i.caller)
67 70      let userEmail = getUserEmailValue(userAddress)
68 71      if ((userEmail != NONE))
69 72          then throw((("User " + userEmail) + " is already registered"))
70 73          else [StringEntry(getUserEmailKey(userAddress), email)]
71 74      }
72 75  
73 76  
74 77  
75 78  @Callable(i)
76 79  func issueNyanToken (quantity) = {
77 80      let nyanToken = getNyanTokenValue(this)
78 81      if ((nyanToken != NONE))
79 82          then throw("NYAN Token is already issued")
80 83          else {
81 84              let nyanTokenIssue = Issue("NYAN Token", "NYAN Token is a cryptocurrency token that operates on the Waves platform", quantity, 0, true)
82 85              let nyanTokenAssetId = calculateAssetId(nyanTokenIssue)
83 86  [nyanTokenIssue, StringEntry(getNyanTokenKey(this), byteVectorToString(nyanTokenAssetId))]
84 87              }
85 88      }
86 89  
87 90  
88 91  
89 92  @Callable(i)
90 93  func reissueNyanToken (quantity) = {
91 94      let nyanToken = getNyanTokenValue(this)
92 -     if ((nyanToken == NONE))
93 -         then throw("NYAN Token was not issued")
94 -         else [Reissue(stringToByteVector(nyanToken), quantity, true)]
95 +     if (!(isAdmin(i.caller)))
96 +         then throw("not admin, // TODO message")
97 +         else if ((nyanToken == NONE))
98 +             then throw("NYAN Token was not issued")
99 +             else [Reissue(stringToByteVector(nyanToken), quantity, true)]
95 100      }
96 101  
97 102  
98 103  
99 104  @Callable(i)
100 105  func transferNyanToken (recipient,amount) = {
101 106      let userEmail = getUserEmailValue(recipient)
102 107      let nyanTokenAssetId = stringToByteVector(getNyanTokenValue(this))
103 108      let currentDAppBalance = assetBalance(this, nyanTokenAssetId)
104 109      let newDAppBalance = (currentDAppBalance - amount)
105 110      if ((userEmail == NONE))
106 111          then throw("You cannot transfer NYAN Tokens to an unregistered user")
107 112          else if ((0 > amount))
108 113              then throw("You cannot transfer a negative amount")
109 114              else if ((0 > newDAppBalance))
110 115                  then throw("Not enough NYAN Tokens to transfer")
111 116                  else [ScriptTransfer(stringToAddress(recipient), amount, nyanTokenAssetId)]
112 117      }
113 118  
114 119  
115 120  
116 121  @Callable(i)
117 122  func issueAssetToken (name,description,quantity,price,data) = {
118 123      let assetTokenIssue = Issue(name, description, quantity, 0, true)
119 124      let assetTokenAssetId = calculateAssetId(assetTokenIssue)
120 125      let assetToken = byteVectorToString(assetTokenAssetId)
121 126      if ((quantity == 0))
122 127          then [assetTokenIssue, IntegerEntry(getAssetPriceKey(assetToken), price), StringEntry(getAssetDataKey(assetToken), data)]
123 128          else {
124 129              let nyanTokenAssetId = stringToByteVector(getNyanTokenValue(this))
125 130              let currentDAppBalance = assetBalance(this, nyanTokenAssetId)
126 131              let amount = (quantity * price)
127 132              let newDAppBalance = (currentDAppBalance - amount)
128 133              if ((0 > newDAppBalance))
129 134                  then throw("Not enough NYAN Tokens to issue an asset")
130 135                  else [assetTokenIssue, Burn(nyanTokenAssetId, amount), IntegerEntry(getAssetPriceKey(assetToken), price), StringEntry(getAssetDataKey(assetToken), data)]
131 136              }
132 137      }
133 138  
134 139  
135 140  
136 141  @Callable(i)
137 142  func reissueAssetToken (assetId,quantity) = {
138 143      let nyanTokenAssetId = stringToByteVector(getNyanTokenValue(this))
139 144      let currentDAppBalance = assetBalance(this, nyanTokenAssetId)
140 145      let price = getAssetPriceValue(assetId)
141 146      let amount = (quantity * price)
142 147      let newDAppBalance = (currentDAppBalance - amount)
143 148      if ((0 > newDAppBalance))
144 149          then throw("Not enough NYAN Tokens to reissue an asset")
145 150          else [Reissue(stringToByteVector(assetId), quantity, true), Burn(nyanTokenAssetId, amount)]
146 151      }
147 152  
148 153  
149 154  
150 155  @Callable(i)
151 156  func exchangeAssetToken (assetId,amount) = {
152 157      let payments = i.payments
153 158      if ((size(payments) == 0))
154 159          then throw("You need to attach the payment")
155 160          else {
156 161              let paymentAmount = payments[0].amount
157 162              let paymentAssetId = value(payments[0].assetId)
158 163              let assetPrice = getAssetPriceValue(assetId)
159 164              let assetAmount = (amount * assetPrice)
160 165              let userAddress = i.caller
161 166              let assetTokenAssetId = stringToByteVector(assetId)
162 167              if ((assetAmount > paymentAmount))
163 168                  then throw("Not enough NYAN Tokens to exchange an asset")
164 169                  else if ((paymentAmount == assetAmount))
165 170                      then [ScriptTransfer(userAddress, amount, assetTokenAssetId), Burn(paymentAssetId, paymentAmount)]
166 171                      else {
167 172                          let paymentAmountChange = (paymentAmount - assetAmount)
168 173  [ScriptTransfer(userAddress, amount, assetTokenAssetId), ScriptTransfer(userAddress, paymentAmountChange, paymentAssetId), Burn(paymentAssetId, assetAmount)]
169 174                          }
170 175              }
171 176      }
172 177  
173 178  
174 179  @Verifier(tx)
175 180  func verify () = sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey)
176 181

Old	New		Differences
35	35
36	36
37	37		func stringToByteVector (string) = fromBase58String(string)
	38	+
	39	+
	40	+	func isAdmin (caller) = (this == caller)
38	41
39	42
40	43		func getUserEmailKey (userEmail) = (("user_" + userEmail) + "_email")

89	92		@Callable(i)
90	93		func reissueNyanToken (quantity) = {
91	94		let nyanToken = getNyanTokenValue(this)
92		-	if ((nyanToken == NONE))
93		-	then throw("NYAN Token was not issued")
94		-	else [Reissue(stringToByteVector(nyanToken), quantity, true)]
	95	+	if (!(isAdmin(i.caller)))
	96	+	then throw("not admin, // TODO message")
	97	+	else if ((nyanToken == NONE))
	98	+	then throw("NYAN Token was not issued")
	99	+	else [Reissue(stringToByteVector(nyanToken), quantity, true)]
95	100		}
96	101
97	102

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 addressToString (address) = toBase58String(address.bytes)
29	29
30	30
31	31		func stringToAddress (string) = Address(fromBase58String(string))
32	32
33	33
34	34		func byteVectorToString (byteVector) = toBase58String(byteVector)
35	35
36	36
37	37		func stringToByteVector (string) = fromBase58String(string)
	38	+
	39	+
	40	+	func isAdmin (caller) = (this == caller)
38	41
39	42
40	43		func getUserEmailKey (userEmail) = (("user_" + userEmail) + "_email")
41	44
42	45
43	46		func getUserEmailValue (userEmail) = getStringByKey(getUserEmailKey(userEmail))
44	47
45	48
46	49		func getNyanTokenKey (dAppAddress) = (("dApp_" + addressToString(dAppAddress)) + "_tokenId")
47	50
48	51
49	52		func getNyanTokenValue (dAppAddress) = getStringByKey(getNyanTokenKey(dAppAddress))
50	53
51	54
52	55		func getAssetPriceKey (assetId) = (("asset_" + assetId) + "_price")
53	56
54	57
55	58		func getAssetPriceValue (assetId) = getNumberByKey(getAssetPriceKey(assetId))
56	59
57	60
58	61		func getAssetDataKey (assetId) = (("asset_" + assetId) + "_data")
59	62
60	63
61	64		func getAssetDataValue (assetId) = getStringByKey(getAssetPriceKey(assetId))
62	65
63	66
64	67		@Callable(i)
65	68		func signUp (email) = {
66	69		let userAddress = addressToString(i.caller)
67	70		let userEmail = getUserEmailValue(userAddress)
68	71		if ((userEmail != NONE))
69	72		then throw((("User " + userEmail) + " is already registered"))
70	73		else [StringEntry(getUserEmailKey(userAddress), email)]
71	74		}
72	75
73	76
74	77
75	78		@Callable(i)
76	79		func issueNyanToken (quantity) = {
77	80		let nyanToken = getNyanTokenValue(this)
78	81		if ((nyanToken != NONE))
79	82		then throw("NYAN Token is already issued")
80	83		else {
81	84		let nyanTokenIssue = Issue("NYAN Token", "NYAN Token is a cryptocurrency token that operates on the Waves platform", quantity, 0, true)
82	85		let nyanTokenAssetId = calculateAssetId(nyanTokenIssue)
83	86		[nyanTokenIssue, StringEntry(getNyanTokenKey(this), byteVectorToString(nyanTokenAssetId))]
84	87		}
85	88		}
86	89
87	90
88	91
89	92		@Callable(i)
90	93		func reissueNyanToken (quantity) = {
91	94		let nyanToken = getNyanTokenValue(this)
92		-	if ((nyanToken == NONE))
93		-	then throw("NYAN Token was not issued")
94		-	else [Reissue(stringToByteVector(nyanToken), quantity, true)]
	95	+	if (!(isAdmin(i.caller)))
	96	+	then throw("not admin, // TODO message")
	97	+	else if ((nyanToken == NONE))
	98	+	then throw("NYAN Token was not issued")
	99	+	else [Reissue(stringToByteVector(nyanToken), quantity, true)]
95	100		}
96	101
97	102
98	103
99	104		@Callable(i)
100	105		func transferNyanToken (recipient,amount) = {
101	106		let userEmail = getUserEmailValue(recipient)
102	107		let nyanTokenAssetId = stringToByteVector(getNyanTokenValue(this))
103	108		let currentDAppBalance = assetBalance(this, nyanTokenAssetId)
104	109		let newDAppBalance = (currentDAppBalance - amount)
105	110		if ((userEmail == NONE))
106	111		then throw("You cannot transfer NYAN Tokens to an unregistered user")
107	112		else if ((0 > amount))
108	113		then throw("You cannot transfer a negative amount")
109	114		else if ((0 > newDAppBalance))
110	115		then throw("Not enough NYAN Tokens to transfer")
111	116		else [ScriptTransfer(stringToAddress(recipient), amount, nyanTokenAssetId)]
112	117		}
113	118
114	119
115	120
116	121		@Callable(i)
117	122		func issueAssetToken (name,description,quantity,price,data) = {
118	123		let assetTokenIssue = Issue(name, description, quantity, 0, true)
119	124		let assetTokenAssetId = calculateAssetId(assetTokenIssue)
120	125		let assetToken = byteVectorToString(assetTokenAssetId)
121	126		if ((quantity == 0))
122	127		then [assetTokenIssue, IntegerEntry(getAssetPriceKey(assetToken), price), StringEntry(getAssetDataKey(assetToken), data)]
123	128		else {
124	129		let nyanTokenAssetId = stringToByteVector(getNyanTokenValue(this))
125	130		let currentDAppBalance = assetBalance(this, nyanTokenAssetId)
126	131		let amount = (quantity * price)
127	132		let newDAppBalance = (currentDAppBalance - amount)
128	133		if ((0 > newDAppBalance))
129	134		then throw("Not enough NYAN Tokens to issue an asset")
130	135		else [assetTokenIssue, Burn(nyanTokenAssetId, amount), IntegerEntry(getAssetPriceKey(assetToken), price), StringEntry(getAssetDataKey(assetToken), data)]
131	136		}
132	137		}
133	138
134	139
135	140
136	141		@Callable(i)
137	142		func reissueAssetToken (assetId,quantity) = {
138	143		let nyanTokenAssetId = stringToByteVector(getNyanTokenValue(this))
139	144		let currentDAppBalance = assetBalance(this, nyanTokenAssetId)
140	145		let price = getAssetPriceValue(assetId)
141	146		let amount = (quantity * price)
142	147		let newDAppBalance = (currentDAppBalance - amount)
143	148		if ((0 > newDAppBalance))
144	149		then throw("Not enough NYAN Tokens to reissue an asset")
145	150		else [Reissue(stringToByteVector(assetId), quantity, true), Burn(nyanTokenAssetId, amount)]
146	151		}
147	152
148	153
149	154
150	155		@Callable(i)
151	156		func exchangeAssetToken (assetId,amount) = {
152	157		let payments = i.payments
153	158		if ((size(payments) == 0))
154	159		then throw("You need to attach the payment")
155	160		else {
156	161		let paymentAmount = payments[0].amount
157	162		let paymentAssetId = value(payments[0].assetId)
158	163		let assetPrice = getAssetPriceValue(assetId)
159	164		let assetAmount = (amount * assetPrice)
160	165		let userAddress = i.caller
161	166		let assetTokenAssetId = stringToByteVector(assetId)
162	167		if ((assetAmount > paymentAmount))
163	168		then throw("Not enough NYAN Tokens to exchange an asset")
164	169		else if ((paymentAmount == assetAmount))
165	170		then [ScriptTransfer(userAddress, amount, assetTokenAssetId), Burn(paymentAssetId, paymentAmount)]
166	171		else {
167	172		let paymentAmountChange = (paymentAmount - assetAmount)
168	173		[ScriptTransfer(userAddress, amount, assetTokenAssetId), ScriptTransfer(userAddress, paymentAmountChange, paymentAssetId), Burn(paymentAssetId, assetAmount)]
169	174		}
170	175		}
171	176		}
172	177
173	178
174	179		@Verifier(tx)
175	180		func verify () = sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey)
176	181

github/deemru/w8io/026f985 
28.91 ms ◑