w8 · tx · LyG···B25

tx · LyGaKAz7PEJmzSxEi8J5xcT9qoKCnTJwdSQrDmufB25

3N5nmMvMH8o3RPEyCKCaoWahBTYTexnZy62:  -0.02000000 Waves

2020.07.14 16:44 [1087073] smart account 3N5nmMvMH8o3RPEyCKCaoWahBTYTexnZy62 > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "LyGaKAz7PEJmzSxEi8J5xcT9qoKCnTJwdSQrDmufB25",
    "fee": 2000000,
    "feeAssetId": null,
    "timestamp": 1594734266712,
    "version": 1,
    "sender": "3N5nmMvMH8o3RPEyCKCaoWahBTYTexnZy62",
    "senderPublicKey": "6PBV8fVJwLaUQbCyG7iqoKR3x1nqFRZFNeuN9qodoiTu",
    "proofs": [
        "63XEweLuqCg7HxC1fw2mCNanaUJnUiYig9MtFrTqnQSRQds54HcXLGqZRL2c2FvYAuS5ZbHFhNsLux98M1dzRtca",
        "s3bCczur5UGauY12xkSfngFtVXe2uF8FjeSoNBRDktgiA2Z1BADCAfYCUQQtTmGg7ufxPK6nJTLVbMu2Cq7dTU4",
        "67CMXBJUSdBseLyvMKrkjP3EkmFW9sqKpbAAs5aZs1MgYHrCz4Vh8UXYjGB5aFJmPUEbDuHy428zmYpRtEzVAdDx"
    ],
    "script": 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    "chainId": 84,
    "height": 1087073,
    "spentComplexity": 0
}

View: original | compacted
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Diff: 
Old New Differences
44 44  let WAVELET = 100000000
45 45  
46 46  let PAULI = 1000000
47 + 
48 + let PRICELET = 1000000
47 49  
48 50  let CANCELED = "canceled"
49 51  
95 97  func getNextOrderKey (orderId) = ("order_next_" + orderId)
96 98  
97 99  
98 - func convertNeutrinoToWaves (amount,price) = fraction(fraction(amount, 100, price), WAVELET, PAULI)
100 + func convertNeutrinoToWaves (amount,price) = fraction(fraction(amount, PRICELET, price), WAVELET, PAULI)
99 101  
100 102  
101 - func convertWavesToNeutrino (amount,price) = fraction(fraction(amount, price, 100), PAULI, WAVELET)
103 + func convertWavesToNeutrino (amount,price) = fraction(fraction(amount, price, PRICELET), PAULI, WAVELET)
102 104  
103 105  
104 106  func convertWavesToBond (amount,price) = convertWavesToNeutrino(amount, price)
291 293                      else {
292 294                          let nextOrder = getNextOrder(firstOrder)
293 295                          let filledTotal = getOrderFilledTotal(firstOrder)
294 -                         let orderPrice = getOrderPrice(firstOrder)
296 +                         let nsbt2UsdnPrice = getOrderPrice(firstOrder)
295 297                          let remainedTotal = (getOrderTotal(firstOrder) - filledTotal)
296 -                         let totalUSDNRequiredToFillOrder = fraction(remainedTotal, orderPrice, 100)
298 +                         let totalUSDNRequiredToFillOrder = fraction(remainedTotal, nsbt2UsdnPrice, 100)
297 299                          let isOrderFullyFilable = (usdnAmount >= totalUSDNRequiredToFillOrder)
298 300                          let fillableOrderAmount = if (isOrderFullyFilable)
299 301                              then totalUSDNRequiredToFillOrder
300 302                              else usdnAmount
301 -                         let finalNBTFillable = fraction(fillableOrderAmount, 100, orderPrice)
302 -                         let nbTokensLiquidateCondition = (fraction((surplus + neutrinoSupply), 100, neutrinoSupply) >= orderPrice)
303 +                         let finalNBTFillable = fraction(fillableOrderAmount, 100, nsbt2UsdnPrice)
304 +                         let nbTokensLiquidateCondition = (fraction((surplus + neutrinoSupply), 100, neutrinoSupply) >= nsbt2UsdnPrice)
303 305                          if (!(nbTokensLiquidateCondition))
304 306                              then throw(("innapropriate surplus: " + toString(surplus)))
305 307                              else {
Full: 
Old New Differences
1 1  {-# STDLIB_VERSION 3 #-}
2 2  {-# SCRIPT_TYPE ACCOUNT #-}
3 3  {-# CONTENT_TYPE DAPP #-}
4 4  func getNumberByKey (key) = match getInteger(this, key) {
5 5      case a: Int => 
6 6          a
7 7      case _ => 
8 8          0
9 9  }
10 10  
11 11  
12 12  func getStringByKey (key) = match getString(this, key) {
13 13      case a: String => 
14 14          a
15 15      case _ => 
16 16          ""
17 17  }
18 18  
19 19  
20 20  func getBoolByAddressAndKey (address,key) = match getBoolean(address, key) {
21 21      case a: Boolean => 
22 22          a
23 23      case _ => 
24 24          false
25 25  }
26 26  
27 27  
28 28  func getStringByAddressAndKey (address,key) = match getString(address, key) {
29 29      case a: String => 
30 30          a
31 31      case _ => 
32 32          ""
33 33  }
34 34  
35 35  
36 36  func getNumberByAddressAndKey (address,key) = match getInteger(address, key) {
37 37      case a: Int => 
38 38          a
39 39      case _ => 
40 40          0
41 41  }
42 42  
43 43  
44 44  let WAVELET = 100000000
45 45  
46 46  let PAULI = 1000000
47 + 
48 + let PRICELET = 1000000
47 49  
48 50  let CANCELED = "canceled"
49 51  
50 52  let NEW = "new"
51 53  
52 54  let FILLED = "filled"
53 55  
54 56  let NeutrinoContractKey = "neutrino_contract"
55 57  
56 58  let PriceKey = "price"
57 59  
58 60  let BondAssetIdKey = "bond_asset_id"
59 61  
60 62  let NeutrinoAssetIdKey = "neutrino_asset_id"
61 63  
62 64  let ControlContractKey = "control_contract"
63 65  
64 66  let BalanceLockedkKey = "balance_lock_"
65 67  
66 68  let WavesLockedBalanceKey = (BalanceLockedkKey + "waves")
67 69  
68 70  let NeutrinoLockedBalanceKey = (BalanceLockedkKey + "neutrino")
69 71  
70 72  let FirstOrderKey = "order_first"
71 73  
72 74  let CurrentDefaultOrderKey = "order_default"
73 75  
74 76  func getOrderPriceKey (orderId) = ("order_price_" + orderId)
75 77  
76 78  
77 79  func getOrderTotalKey (orderId) = ("order_total_" + orderId)
78 80  
79 81  
80 82  func getOrderOwnerKey (orderId) = ("order_owner_" + orderId)
81 83  
82 84  
83 85  func getOrderHeightKey (orderId) = ("order_height_" + orderId)
84 86  
85 87  
86 88  func getOrderStatusKey (orderId) = ("order_status_" + orderId)
87 89  
88 90  
89 91  func getOrderFilledTotalKey (orderId) = ("order_filled_total_" + orderId)
90 92  
91 93  
92 94  func getPrevOrderKey (orderId) = ("order_prev_" + orderId)
93 95  
94 96  
95 97  func getNextOrderKey (orderId) = ("order_next_" + orderId)
96 98  
97 99  
98 - func convertNeutrinoToWaves (amount,price) = fraction(fraction(amount, 100, price), WAVELET, PAULI)
100 + func convertNeutrinoToWaves (amount,price) = fraction(fraction(amount, PRICELET, price), WAVELET, PAULI)
99 101  
100 102  
101 - func convertWavesToNeutrino (amount,price) = fraction(fraction(amount, price, 100), PAULI, WAVELET)
103 + func convertWavesToNeutrino (amount,price) = fraction(fraction(amount, price, PRICELET), PAULI, WAVELET)
102 104  
103 105  
104 106  func convertWavesToBond (amount,price) = convertWavesToNeutrino(amount, price)
105 107  
106 108  
107 109  let neutrinoContract = addressFromStringValue(getStringByKey(NeutrinoContractKey))
108 110  
109 111  let controlContract = addressFromStringValue(getStringByAddressAndKey(neutrinoContract, ControlContractKey))
110 112  
111 113  let liquidationContract = this
112 114  
113 115  let neutrinoAssetId = fromBase58String(getStringByAddressAndKey(neutrinoContract, NeutrinoAssetIdKey))
114 116  
115 117  let bondAssetId = fromBase58String("BGhPYquXSK6UYjnPLEn94gFhetp4Jvf7toekEY4x1VDH")
116 118  
117 119  let firstOrder = getStringByKey(FirstOrderKey)
118 120  
119 121  let isBlocked = getBoolByAddressAndKey(controlContract, "is_blocked")
120 122  
121 123  let currentPrice = getNumberByAddressAndKey(controlContract, PriceKey)
122 124  
123 125  let neutrinoLockedBalance = getNumberByAddressAndKey(neutrinoContract, NeutrinoLockedBalanceKey)
124 126  
125 127  let wavesLockedBalance = getNumberByAddressAndKey(neutrinoContract, WavesLockedBalanceKey)
126 128  
127 129  let reserve = (wavesBalance(neutrinoContract) - wavesLockedBalance)
128 130  
129 131  let neutrinoSupply = (((neutrinoLockedBalance + extract(assetInfo(neutrinoAssetId)).quantity) - assetBalance(neutrinoContract, neutrinoAssetId)) - assetBalance(liquidationContract, neutrinoAssetId))
130 132  
131 133  let surplus = (convertWavesToNeutrino(reserve, currentPrice) - neutrinoSupply)
132 134  
133 135  func getOrderPrice (id) = getNumberByKey(getOrderPriceKey(id))
134 136  
135 137  
136 138  func getOrderTotal (id) = getNumberByKey(getOrderTotalKey(id))
137 139  
138 140  
139 141  func getOrderOwner (id) = getStringByKey(getOrderOwnerKey(id))
140 142  
141 143  
142 144  func getOrderStatus (id) = getStringByKey(getOrderStatusKey(id))
143 145  
144 146  
145 147  func getOrderFilledTotal (id) = getNumberByKey(getOrderFilledTotalKey(id))
146 148  
147 149  
148 150  func getOrderHeight (id) = getNumberByKey(getOrderHeightKey(id))
149 151  
150 152  
151 153  func getPrevOrder (id) = getStringByKey(getPrevOrderKey(id))
152 154  
153 155  
154 156  func getNextOrder (id) = getStringByKey(getNextOrderKey(id))
155 157  
156 158  
157 159  let currentDefaultOrder = getStringByKey(CurrentDefaultOrderKey)
158 160  
159 161  func generateDataEntryToAddOrder (price,newOrderId,i,prevOrder,nextOrder,firstOrder) = {
160 162      let amount = extract(i.payment).amount
161 163      let isOneForOneOrder = (price == 100)
162 164      let isFirstOrderEmty = (firstOrder == "")
163 165      let isNewOrderPriceLowerThanCurrentFirstOrder = (getOrderPrice(firstOrder) > price)
164 166      let newFirstOrder = if (isFirstOrderEmty)
165 167          then newOrderId
166 168          else if (isNewOrderPriceLowerThanCurrentFirstOrder)
167 169              then newOrderId
168 170              else firstOrder
169 171  [DataEntry(getPrevOrderKey(newOrderId), prevOrder), DataEntry(getNextOrderKey(newOrderId), nextOrder), DataEntry(getNextOrderKey(prevOrder), if ((prevOrder == ""))
170 172          then prevOrder
171 173          else newOrderId), DataEntry(getPrevOrderKey(nextOrder), if ((nextOrder == ""))
172 174          then nextOrder
173 175          else newOrderId), DataEntry(FirstOrderKey, newFirstOrder), DataEntry(getOrderPriceKey(newOrderId), price), DataEntry(getOrderTotalKey(newOrderId), amount), DataEntry(getOrderOwnerKey(newOrderId), toString(i.caller)), DataEntry(getOrderHeightKey(newOrderId), height), DataEntry(getOrderStatusKey(newOrderId), NEW), DataEntry(CurrentDefaultOrderKey, if (isOneForOneOrder)
174 176          then newOrderId
175 177          else currentDefaultOrder)]
176 178      }
177 179  
178 180  
179 181  func internalAddLiquidationOrder (i,price,prevOrder) = {
180 182      let pmt = extract(i.payment)
181 183      let newOrderId = toBase58String(keccak256((((toBytes(pmt.amount) + i.caller.bytes) + toBytes(height)) + i.transactionId)))
182 184      let owner = toString(i.caller)
183 185      let isEmptyPrevOrder = (prevOrder == "")
184 186      let isEmptyFirstOrder = (firstOrder == "")
185 187      if (isBlocked)
186 188          then throw("contract is blocked by EMERGENCY SHUTDOWN actions until reactivation by emergency oracles")
187 189          else if ((PAULI > pmt.amount))
188 190              then throw("order amount should be higher than 1 NSBT")
189 191              else if ((100 > price))
190 192                  then throw(("price should be equal or higher than 1 nsbt for 1 usdn. i.e. >= 100; price: " + toString(price)))
191 193                  else if ((pmt.assetId != bondAssetId))
192 194                      then throw("can use appropriate neutrino base tokens (nsbt) only")
193 195                      else if ((getOrderOwner(newOrderId) != ""))
194 196                          then throw("the order already exists")
195 197                          else if (if (!(isEmptyPrevOrder))
196 198                              then (getOrderStatus(prevOrder) != NEW)
197 199                              else false)
198 200                              then throw("prev order status is not new")
199 201                              else if (if (isEmptyFirstOrder)
200 202                                  then !(isEmptyPrevOrder)
201 203                                  else false)
202 204                                  then throw("wrong prev order parameter")
203 205                                  else {
204 206                                      let nextOrder = if (isEmptyPrevOrder)
205 207                                          then firstOrder
206 208                                          else getNextOrder(prevOrder)
207 209                                      let isEmptyNextOrder = (nextOrder == "")
208 210                                      if (isEmptyFirstOrder)
209 211                                          then WriteSet(generateDataEntryToAddOrder(price, newOrderId, i, prevOrder, nextOrder, firstOrder))
210 212                                          else {
211 213                                              let nextOrderPrice = getNumberByKey(getOrderPriceKey(nextOrder))
212 214                                              let prevOrderPrice = getNumberByKey(getOrderPriceKey(prevOrder))
213 215                                              let isNextOrderError = if (!(isEmptyNextOrder))
214 216                                                  then (price >= nextOrderPrice)
215 217                                                  else false
216 218                                              let isPrevOrderError = if (!(isEmptyPrevOrder))
217 219                                                  then (prevOrderPrice > price)
218 220                                                  else false
219 221                                              if (if (isNextOrderError)
220 222                                                  then true
221 223                                                  else isPrevOrderError)
222 224                                                  then throw(((("invalid order isPrevOrderError:" + toString(isPrevOrderError)) + " isNextOrderError:") + toString(isNextOrderError)))
223 225                                                  else WriteSet(generateDataEntryToAddOrder(price, newOrderId, i, prevOrder, nextOrder, firstOrder))
224 226                                              }
225 227                                      }
226 228      }
227 229  
228 230  
229 231  func computeCurrentDefaultOrder (id) = if ((id != currentDefaultOrder))
230 232      then currentDefaultOrder
231 233      else ""
232 234  
233 235  
234 236  @Callable(i)
235 237  func addLiquidationOrderWithPrice (price,prevOrder) = internalAddLiquidationOrder(i, price, prevOrder)
236 238  
237 239  
238 240  
239 241  @Callable(i)
240 242  func addLiquidationOrder () = internalAddLiquidationOrder(i, 100, currentDefaultOrder)
241 243  
242 244  
243 245  
244 246  @Callable(i)
245 247  func cancelOrder (orderId) = {
246 248      let owner = getOrderOwner(orderId)
247 249      let amount = (getOrderTotal(orderId) - getOrderFilledTotal(orderId))
248 250      let caller = toString(i.caller)
249 251      let nextOrder = getNextOrder(orderId)
250 252      let prevOrder = getPrevOrder(orderId)
251 253      let isDefaultOrder = (orderId == currentDefaultOrder)
252 254      let isPrevCanBecomeDefault = (getOrderStatus(prevOrder) == NEW)
253 255      let newDefaultOrder = if (isDefaultOrder)
254 256          then if (isPrevCanBecomeDefault)
255 257              then prevOrder
256 258              else ""
257 259          else currentDefaultOrder
258 260      if (isBlocked)
259 261          then throw("contract is blocked by EMERGENCY SHUTDOWN actions until reactivation by emergency oracles")
260 262          else if ((owner != caller))
261 263              then throw("permission denied")
262 264              else if ((getOrderStatus(orderId) != NEW))
263 265                  then throw("invalid order status")
264 266                  else ScriptResult(WriteSet([DataEntry(CurrentDefaultOrderKey, newDefaultOrder), DataEntry(FirstOrderKey, if ((firstOrder == orderId))
265 267                      then nextOrder
266 268                      else firstOrder), DataEntry(getNextOrderKey(prevOrder), nextOrder), DataEntry(getPrevOrderKey(nextOrder), prevOrder), DataEntry(getOrderStatusKey(orderId), CANCELED)]), TransferSet([ScriptTransfer(i.caller, amount, bondAssetId)]))
267 269      }
268 270  
269 271  
270 272  
271 273  @Callable(i)
272 274  func liquidateBond () = {
273 275      let liquidationBalance = assetBalance(this, neutrinoAssetId)
274 276      let surplusPositive = if ((0 >= surplus))
275 277          then 0
276 278          else surplus
277 279      let usdnAmount = if ((surplusPositive >= liquidationBalance))
278 280          then liquidationBalance
279 281          else surplusPositive
280 282      let returnAmount = if ((surplusPositive >= liquidationBalance))
281 283          then 0
282 284          else (liquidationBalance - surplusPositive)
283 285      if (isBlocked)
284 286          then throw("contract is blocked by EMERGENCY SHUTDOWN actions until reactivation by emergency oracles")
285 287          else if ((liquidationBalance == 0))
286 288              then throw("without base tokens to liquidate")
287 289              else if ((returnAmount > 0))
288 290                  then TransferSet([ScriptTransfer(neutrinoContract, returnAmount, neutrinoAssetId)])
289 291                  else if ((firstOrder == ""))
290 292                      then throw("empty orderbook")
291 293                      else {
292 294                          let nextOrder = getNextOrder(firstOrder)
293 295                          let filledTotal = getOrderFilledTotal(firstOrder)
294 -                         let orderPrice = getOrderPrice(firstOrder)
296 +                         let nsbt2UsdnPrice = getOrderPrice(firstOrder)
295 297                          let remainedTotal = (getOrderTotal(firstOrder) - filledTotal)
296 -                         let totalUSDNRequiredToFillOrder = fraction(remainedTotal, orderPrice, 100)
298 +                         let totalUSDNRequiredToFillOrder = fraction(remainedTotal, nsbt2UsdnPrice, 100)
297 299                          let isOrderFullyFilable = (usdnAmount >= totalUSDNRequiredToFillOrder)
298 300                          let fillableOrderAmount = if (isOrderFullyFilable)
299 301                              then totalUSDNRequiredToFillOrder
300 302                              else usdnAmount
301 -                         let finalNBTFillable = fraction(fillableOrderAmount, 100, orderPrice)
302 -                         let nbTokensLiquidateCondition = (fraction((surplus + neutrinoSupply), 100, neutrinoSupply) >= orderPrice)
303 +                         let finalNBTFillable = fraction(fillableOrderAmount, 100, nsbt2UsdnPrice)
304 +                         let nbTokensLiquidateCondition = (fraction((surplus + neutrinoSupply), 100, neutrinoSupply) >= nsbt2UsdnPrice)
303 305                          if (!(nbTokensLiquidateCondition))
304 306                              then throw(("innapropriate surplus: " + toString(surplus)))
305 307                              else {
306 308                                  let isNothingToFillNow = (remainedTotal == 0)
307 309                                  let isNothingToFillAtAll = ((filledTotal + finalNBTFillable) == getOrderTotal(firstOrder))
308 310                                  let newStatus = if (if (isOrderFullyFilable)
309 311                                      then if (isNothingToFillNow)
310 312                                          then true
311 313                                          else isNothingToFillAtAll
312 314                                      else false)
313 315                                      then FILLED
314 316                                      else NEW
315 317                                  ScriptResult(WriteSet([DataEntry(getPrevOrderKey(nextOrder), if ((newStatus == FILLED))
316 318                                      then ""
317 319                                      else firstOrder), DataEntry(FirstOrderKey, if ((newStatus == FILLED))
318 320                                      then nextOrder
319 321                                      else firstOrder), DataEntry(getOrderFilledTotalKey(firstOrder), (filledTotal + finalNBTFillable)), DataEntry(getOrderStatusKey(firstOrder), newStatus), DataEntry(CurrentDefaultOrderKey, computeCurrentDefaultOrder(firstOrder))]), TransferSet([ScriptTransfer(addressFromStringValue(getOrderOwner(firstOrder)), fillableOrderAmount, neutrinoAssetId), ScriptTransfer(neutrinoContract, finalNBTFillable, bondAssetId)]))
320 322                                  }
321 323                          }
322 324      }
323 325  
324 326  
325 327  
326 328  @Callable(i)
327 329  func updateReservesAndNeutrinoSupply () = {
328 330      func getNumberByKeyInternal (key) =         match getInteger(this, key) {
329 331          case a: Int => 
330 332              a
331 333          case _ => 
332 334              0
333 335      }
334 336  
335 337      let idx = getNumberByKeyInternal("updateReservesAndNeutrinoSupplyIdx")
336 338      let newIdx = (idx + 1)
337 339      WriteSet([DataEntry("updateReservesAndNeutrinoSupplyIdx", newIdx), DataEntry("reserve", reserve), DataEntry("neutrinoSupply", neutrinoSupply), DataEntry("surplus", surplus)])
338 340      }
339 341  
340 342  
341 343  @Verifier(tx)
342 344  func verify () = {
343 345      let pubKeyAdminsList = ["GXxmZaCigPgJsT6d1cLr8nUXA65nGX8V7FuAzzrY8wQE", "3xumx4hrPpeeoo79HLGbZCgfz95L39ZFdxxwWeSUC2Pu", "D4CqtK5fBsnzRo33ZMhrM7niLseDH2uRoK6weBq2JQ3A", "5WRXFSjwcTbNfKcJs8ZqXmSSWYsSVJUtMvMqZj5hH4Nc"]
344 346      let count = ((((if (sigVerify(tx.bodyBytes, tx.proofs[0], fromBase58String(pubKeyAdminsList[0])))
345 347          then 1
346 348          else 0) + (if (sigVerify(tx.bodyBytes, tx.proofs[1], fromBase58String(pubKeyAdminsList[1])))
347 349          then 1
348 350          else 0)) + (if (sigVerify(tx.bodyBytes, tx.proofs[2], fromBase58String(pubKeyAdminsList[2])))
349 351          then 1
350 352          else 0)) + (if (sigVerify(tx.bodyBytes, tx.proofs[3], fromBase58String(pubKeyAdminsList[3])))
351 353          then 2
352 354          else 0))
353 355      (count >= 3)
354 356      }
355 357

Old	New		Differences
44	44		let WAVELET = 100000000
45	45
46	46		let PAULI = 1000000
	47	+
	48	+	let PRICELET = 1000000
47	49
48	50		let CANCELED = "canceled"
49	51

95	97		func getNextOrderKey (orderId) = ("order_next_" + orderId)
96	98
97	99
98		-	func convertNeutrinoToWaves (amount,price) = fraction(fraction(amount, ~~100~~, price), WAVELET, PAULI)
	100	+	func convertNeutrinoToWaves (amount,price) = fraction(fraction(amount, PRICELET, price), WAVELET, PAULI)
99	101
100	102
101		-	func convertWavesToNeutrino (amount,price) = fraction(fraction(amount, price, ~~100~~), PAULI, WAVELET)
	103	+	func convertWavesToNeutrino (amount,price) = fraction(fraction(amount, price, PRICELET), PAULI, WAVELET)
102	104
103	105
104	106		func convertWavesToBond (amount,price) = convertWavesToNeutrino(amount, price)

291	293		else {
292	294		let nextOrder = getNextOrder(firstOrder)
293	295		let filledTotal = getOrderFilledTotal(firstOrder)
294		-	let ~~orderPrice~~ = getOrderPrice(firstOrder)
	296	+	let nsbt2UsdnPrice = getOrderPrice(firstOrder)
295	297		let remainedTotal = (getOrderTotal(firstOrder) - filledTotal)
296		-	let totalUSDNRequiredToFillOrder = fraction(remainedTotal, ~~orderPrice~~, 100)
	298	+	let totalUSDNRequiredToFillOrder = fraction(remainedTotal, nsbt2UsdnPrice, 100)
297	299		let isOrderFullyFilable = (usdnAmount >= totalUSDNRequiredToFillOrder)
298	300		let fillableOrderAmount = if (isOrderFullyFilable)
299	301		then totalUSDNRequiredToFillOrder
300	302		else usdnAmount
301		-	let finalNBTFillable = fraction(fillableOrderAmount, 100, ~~orderPrice~~)
302		-	let nbTokensLiquidateCondition = (fraction((surplus + neutrinoSupply), 100, neutrinoSupply) >= ~~orderPrice~~)
	303	+	let finalNBTFillable = fraction(fillableOrderAmount, 100, nsbt2UsdnPrice)
	304	+	let nbTokensLiquidateCondition = (fraction((surplus + neutrinoSupply), 100, neutrinoSupply) >= nsbt2UsdnPrice)
303	305		if (!(nbTokensLiquidateCondition))
304	306		then throw(("innapropriate surplus: " + toString(surplus)))
305	307		else {

Old	New		Differences
1	1		{-# STDLIB_VERSION 3 #-}
2	2		{-# SCRIPT_TYPE ACCOUNT #-}
3	3		{-# CONTENT_TYPE DAPP #-}
4	4		func getNumberByKey (key) = match getInteger(this, key) {
5	5		case a: Int =>
6	6		a
7	7		case _ =>
8	8		0
9	9		}
10	10
11	11
12	12		func getStringByKey (key) = match getString(this, key) {
13	13		case a: String =>
14	14		a
15	15		case _ =>
16	16		""
17	17		}
18	18
19	19
20	20		func getBoolByAddressAndKey (address,key) = match getBoolean(address, key) {
21	21		case a: Boolean =>
22	22		a
23	23		case _ =>
24	24		false
25	25		}
26	26
27	27
28	28		func getStringByAddressAndKey (address,key) = match getString(address, key) {
29	29		case a: String =>
30	30		a
31	31		case _ =>
32	32		""
33	33		}
34	34
35	35
36	36		func getNumberByAddressAndKey (address,key) = match getInteger(address, key) {
37	37		case a: Int =>
38	38		a
39	39		case _ =>
40	40		0
41	41		}
42	42
43	43
44	44		let WAVELET = 100000000
45	45
46	46		let PAULI = 1000000
	47	+
	48	+	let PRICELET = 1000000
47	49
48	50		let CANCELED = "canceled"
49	51
50	52		let NEW = "new"
51	53
52	54		let FILLED = "filled"
53	55
54	56		let NeutrinoContractKey = "neutrino_contract"
55	57
56	58		let PriceKey = "price"
57	59
58	60		let BondAssetIdKey = "bond_asset_id"
59	61
60	62		let NeutrinoAssetIdKey = "neutrino_asset_id"
61	63
62	64		let ControlContractKey = "control_contract"
63	65
64	66		let BalanceLockedkKey = "balance_lock_"
65	67
66	68		let WavesLockedBalanceKey = (BalanceLockedkKey + "waves")
67	69
68	70		let NeutrinoLockedBalanceKey = (BalanceLockedkKey + "neutrino")
69	71
70	72		let FirstOrderKey = "order_first"
71	73
72	74		let CurrentDefaultOrderKey = "order_default"
73	75
74	76		func getOrderPriceKey (orderId) = ("order_price_" + orderId)
75	77
76	78
77	79		func getOrderTotalKey (orderId) = ("order_total_" + orderId)
78	80
79	81
80	82		func getOrderOwnerKey (orderId) = ("order_owner_" + orderId)
81	83
82	84
83	85		func getOrderHeightKey (orderId) = ("order_height_" + orderId)
84	86
85	87
86	88		func getOrderStatusKey (orderId) = ("order_status_" + orderId)
87	89
88	90
89	91		func getOrderFilledTotalKey (orderId) = ("order_filled_total_" + orderId)
90	92
91	93
92	94		func getPrevOrderKey (orderId) = ("order_prev_" + orderId)
93	95
94	96
95	97		func getNextOrderKey (orderId) = ("order_next_" + orderId)
96	98
97	99
98		-	func convertNeutrinoToWaves (amount,price) = fraction(fraction(amount, ~~100~~, price), WAVELET, PAULI)
	100	+	func convertNeutrinoToWaves (amount,price) = fraction(fraction(amount, PRICELET, price), WAVELET, PAULI)
99	101
100	102
101		-	func convertWavesToNeutrino (amount,price) = fraction(fraction(amount, price, ~~100~~), PAULI, WAVELET)
	103	+	func convertWavesToNeutrino (amount,price) = fraction(fraction(amount, price, PRICELET), PAULI, WAVELET)
102	104
103	105
104	106		func convertWavesToBond (amount,price) = convertWavesToNeutrino(amount, price)
105	107
106	108
107	109		let neutrinoContract = addressFromStringValue(getStringByKey(NeutrinoContractKey))
108	110
109	111		let controlContract = addressFromStringValue(getStringByAddressAndKey(neutrinoContract, ControlContractKey))
110	112
111	113		let liquidationContract = this
112	114
113	115		let neutrinoAssetId = fromBase58String(getStringByAddressAndKey(neutrinoContract, NeutrinoAssetIdKey))
114	116
115	117		let bondAssetId = fromBase58String("BGhPYquXSK6UYjnPLEn94gFhetp4Jvf7toekEY4x1VDH")
116	118
117	119		let firstOrder = getStringByKey(FirstOrderKey)
118	120
119	121		let isBlocked = getBoolByAddressAndKey(controlContract, "is_blocked")
120	122
121	123		let currentPrice = getNumberByAddressAndKey(controlContract, PriceKey)
122	124
123	125		let neutrinoLockedBalance = getNumberByAddressAndKey(neutrinoContract, NeutrinoLockedBalanceKey)
124	126
125	127		let wavesLockedBalance = getNumberByAddressAndKey(neutrinoContract, WavesLockedBalanceKey)
126	128
127	129		let reserve = (wavesBalance(neutrinoContract) - wavesLockedBalance)
128	130
129	131		let neutrinoSupply = (((neutrinoLockedBalance + extract(assetInfo(neutrinoAssetId)).quantity) - assetBalance(neutrinoContract, neutrinoAssetId)) - assetBalance(liquidationContract, neutrinoAssetId))
130	132
131	133		let surplus = (convertWavesToNeutrino(reserve, currentPrice) - neutrinoSupply)
132	134
133	135		func getOrderPrice (id) = getNumberByKey(getOrderPriceKey(id))
134	136
135	137
136	138		func getOrderTotal (id) = getNumberByKey(getOrderTotalKey(id))
137	139
138	140
139	141		func getOrderOwner (id) = getStringByKey(getOrderOwnerKey(id))
140	142
141	143
142	144		func getOrderStatus (id) = getStringByKey(getOrderStatusKey(id))
143	145
144	146
145	147		func getOrderFilledTotal (id) = getNumberByKey(getOrderFilledTotalKey(id))
146	148
147	149
148	150		func getOrderHeight (id) = getNumberByKey(getOrderHeightKey(id))
149	151
150	152
151	153		func getPrevOrder (id) = getStringByKey(getPrevOrderKey(id))
152	154
153	155
154	156		func getNextOrder (id) = getStringByKey(getNextOrderKey(id))
155	157
156	158
157	159		let currentDefaultOrder = getStringByKey(CurrentDefaultOrderKey)
158	160
159	161		func generateDataEntryToAddOrder (price,newOrderId,i,prevOrder,nextOrder,firstOrder) = {
160	162		let amount = extract(i.payment).amount
161	163		let isOneForOneOrder = (price == 100)
162	164		let isFirstOrderEmty = (firstOrder == "")
163	165		let isNewOrderPriceLowerThanCurrentFirstOrder = (getOrderPrice(firstOrder) > price)
164	166		let newFirstOrder = if (isFirstOrderEmty)
165	167		then newOrderId
166	168		else if (isNewOrderPriceLowerThanCurrentFirstOrder)
167	169		then newOrderId
168	170		else firstOrder
169	171		[DataEntry(getPrevOrderKey(newOrderId), prevOrder), DataEntry(getNextOrderKey(newOrderId), nextOrder), DataEntry(getNextOrderKey(prevOrder), if ((prevOrder == ""))
170	172		then prevOrder
171	173		else newOrderId), DataEntry(getPrevOrderKey(nextOrder), if ((nextOrder == ""))
172	174		then nextOrder
173	175		else newOrderId), DataEntry(FirstOrderKey, newFirstOrder), DataEntry(getOrderPriceKey(newOrderId), price), DataEntry(getOrderTotalKey(newOrderId), amount), DataEntry(getOrderOwnerKey(newOrderId), toString(i.caller)), DataEntry(getOrderHeightKey(newOrderId), height), DataEntry(getOrderStatusKey(newOrderId), NEW), DataEntry(CurrentDefaultOrderKey, if (isOneForOneOrder)
174	176		then newOrderId
175	177		else currentDefaultOrder)]
176	178		}
177	179
178	180
179	181		func internalAddLiquidationOrder (i,price,prevOrder) = {
180	182		let pmt = extract(i.payment)
181	183		let newOrderId = toBase58String(keccak256((((toBytes(pmt.amount) + i.caller.bytes) + toBytes(height)) + i.transactionId)))
182	184		let owner = toString(i.caller)
183	185		let isEmptyPrevOrder = (prevOrder == "")
184	186		let isEmptyFirstOrder = (firstOrder == "")
185	187		if (isBlocked)
186	188		then throw("contract is blocked by EMERGENCY SHUTDOWN actions until reactivation by emergency oracles")
187	189		else if ((PAULI > pmt.amount))
188	190		then throw("order amount should be higher than 1 NSBT")
189	191		else if ((100 > price))
190	192		then throw(("price should be equal or higher than 1 nsbt for 1 usdn. i.e. >= 100; price: " + toString(price)))
191	193		else if ((pmt.assetId != bondAssetId))
192	194		then throw("can use appropriate neutrino base tokens (nsbt) only")
193	195		else if ((getOrderOwner(newOrderId) != ""))
194	196		then throw("the order already exists")
195	197		else if (if (!(isEmptyPrevOrder))
196	198		then (getOrderStatus(prevOrder) != NEW)
197	199		else false)
198	200		then throw("prev order status is not new")
199	201		else if (if (isEmptyFirstOrder)
200	202		then !(isEmptyPrevOrder)
201	203		else false)
202	204		then throw("wrong prev order parameter")
203	205		else {
204	206		let nextOrder = if (isEmptyPrevOrder)
205	207		then firstOrder
206	208		else getNextOrder(prevOrder)
207	209		let isEmptyNextOrder = (nextOrder == "")
208	210		if (isEmptyFirstOrder)
209	211		then WriteSet(generateDataEntryToAddOrder(price, newOrderId, i, prevOrder, nextOrder, firstOrder))
210	212		else {
211	213		let nextOrderPrice = getNumberByKey(getOrderPriceKey(nextOrder))
212	214		let prevOrderPrice = getNumberByKey(getOrderPriceKey(prevOrder))
213	215		let isNextOrderError = if (!(isEmptyNextOrder))
214	216		then (price >= nextOrderPrice)
215	217		else false
216	218		let isPrevOrderError = if (!(isEmptyPrevOrder))
217	219		then (prevOrderPrice > price)
218	220		else false
219	221		if (if (isNextOrderError)
220	222		then true
221	223		else isPrevOrderError)
222	224		then throw(((("invalid order isPrevOrderError:" + toString(isPrevOrderError)) + " isNextOrderError:") + toString(isNextOrderError)))
223	225		else WriteSet(generateDataEntryToAddOrder(price, newOrderId, i, prevOrder, nextOrder, firstOrder))
224	226		}
225	227		}
226	228		}
227	229
228	230
229	231		func computeCurrentDefaultOrder (id) = if ((id != currentDefaultOrder))
230	232		then currentDefaultOrder
231	233		else ""
232	234
233	235
234	236		@Callable(i)
235	237		func addLiquidationOrderWithPrice (price,prevOrder) = internalAddLiquidationOrder(i, price, prevOrder)
236	238
237	239
238	240
239	241		@Callable(i)
240	242		func addLiquidationOrder () = internalAddLiquidationOrder(i, 100, currentDefaultOrder)
241	243
242	244
243	245
244	246		@Callable(i)
245	247		func cancelOrder (orderId) = {
246	248		let owner = getOrderOwner(orderId)
247	249		let amount = (getOrderTotal(orderId) - getOrderFilledTotal(orderId))
248	250		let caller = toString(i.caller)
249	251		let nextOrder = getNextOrder(orderId)
250	252		let prevOrder = getPrevOrder(orderId)
251	253		let isDefaultOrder = (orderId == currentDefaultOrder)
252	254		let isPrevCanBecomeDefault = (getOrderStatus(prevOrder) == NEW)
253	255		let newDefaultOrder = if (isDefaultOrder)
254	256		then if (isPrevCanBecomeDefault)
255	257		then prevOrder
256	258		else ""
257	259		else currentDefaultOrder
258	260		if (isBlocked)
259	261		then throw("contract is blocked by EMERGENCY SHUTDOWN actions until reactivation by emergency oracles")
260	262		else if ((owner != caller))
261	263		then throw("permission denied")
262	264		else if ((getOrderStatus(orderId) != NEW))
263	265		then throw("invalid order status")
264	266		else ScriptResult(WriteSet([DataEntry(CurrentDefaultOrderKey, newDefaultOrder), DataEntry(FirstOrderKey, if ((firstOrder == orderId))
265	267		then nextOrder
266	268		else firstOrder), DataEntry(getNextOrderKey(prevOrder), nextOrder), DataEntry(getPrevOrderKey(nextOrder), prevOrder), DataEntry(getOrderStatusKey(orderId), CANCELED)]), TransferSet([ScriptTransfer(i.caller, amount, bondAssetId)]))
267	269		}
268	270
269	271
270	272
271	273		@Callable(i)
272	274		func liquidateBond () = {
273	275		let liquidationBalance = assetBalance(this, neutrinoAssetId)
274	276		let surplusPositive = if ((0 >= surplus))
275	277		then 0
276	278		else surplus
277	279		let usdnAmount = if ((surplusPositive >= liquidationBalance))
278	280		then liquidationBalance
279	281		else surplusPositive
280	282		let returnAmount = if ((surplusPositive >= liquidationBalance))
281	283		then 0
282	284		else (liquidationBalance - surplusPositive)
283	285		if (isBlocked)
284	286		then throw("contract is blocked by EMERGENCY SHUTDOWN actions until reactivation by emergency oracles")
285	287		else if ((liquidationBalance == 0))
286	288		then throw("without base tokens to liquidate")
287	289		else if ((returnAmount > 0))
288	290		then TransferSet([ScriptTransfer(neutrinoContract, returnAmount, neutrinoAssetId)])
289	291		else if ((firstOrder == ""))
290	292		then throw("empty orderbook")
291	293		else {
292	294		let nextOrder = getNextOrder(firstOrder)
293	295		let filledTotal = getOrderFilledTotal(firstOrder)
294		-	let ~~orderPrice~~ = getOrderPrice(firstOrder)
	296	+	let nsbt2UsdnPrice = getOrderPrice(firstOrder)
295	297		let remainedTotal = (getOrderTotal(firstOrder) - filledTotal)
296		-	let totalUSDNRequiredToFillOrder = fraction(remainedTotal, ~~orderPrice~~, 100)
	298	+	let totalUSDNRequiredToFillOrder = fraction(remainedTotal, nsbt2UsdnPrice, 100)
297	299		let isOrderFullyFilable = (usdnAmount >= totalUSDNRequiredToFillOrder)
298	300		let fillableOrderAmount = if (isOrderFullyFilable)
299	301		then totalUSDNRequiredToFillOrder
300	302		else usdnAmount
301		-	let finalNBTFillable = fraction(fillableOrderAmount, 100, ~~orderPrice~~)
302		-	let nbTokensLiquidateCondition = (fraction((surplus + neutrinoSupply), 100, neutrinoSupply) >= ~~orderPrice~~)
	303	+	let finalNBTFillable = fraction(fillableOrderAmount, 100, nsbt2UsdnPrice)
	304	+	let nbTokensLiquidateCondition = (fraction((surplus + neutrinoSupply), 100, neutrinoSupply) >= nsbt2UsdnPrice)
303	305		if (!(nbTokensLiquidateCondition))
304	306		then throw(("innapropriate surplus: " + toString(surplus)))
305	307		else {
306	308		let isNothingToFillNow = (remainedTotal == 0)
307	309		let isNothingToFillAtAll = ((filledTotal + finalNBTFillable) == getOrderTotal(firstOrder))
308	310		let newStatus = if (if (isOrderFullyFilable)
309	311		then if (isNothingToFillNow)
310	312		then true
311	313		else isNothingToFillAtAll
312	314		else false)
313	315		then FILLED
314	316		else NEW
315	317		ScriptResult(WriteSet([DataEntry(getPrevOrderKey(nextOrder), if ((newStatus == FILLED))
316	318		then ""
317	319		else firstOrder), DataEntry(FirstOrderKey, if ((newStatus == FILLED))
318	320		then nextOrder
319	321		else firstOrder), DataEntry(getOrderFilledTotalKey(firstOrder), (filledTotal + finalNBTFillable)), DataEntry(getOrderStatusKey(firstOrder), newStatus), DataEntry(CurrentDefaultOrderKey, computeCurrentDefaultOrder(firstOrder))]), TransferSet([ScriptTransfer(addressFromStringValue(getOrderOwner(firstOrder)), fillableOrderAmount, neutrinoAssetId), ScriptTransfer(neutrinoContract, finalNBTFillable, bondAssetId)]))
320	322		}
321	323		}
322	324		}
323	325
324	326
325	327
326	328		@Callable(i)
327	329		func updateReservesAndNeutrinoSupply () = {
328	330		func getNumberByKeyInternal (key) = match getInteger(this, key) {
329	331		case a: Int =>
330	332		a
331	333		case _ =>
332	334		0
333	335		}
334	336
335	337		let idx = getNumberByKeyInternal("updateReservesAndNeutrinoSupplyIdx")
336	338		let newIdx = (idx + 1)
337	339		WriteSet([DataEntry("updateReservesAndNeutrinoSupplyIdx", newIdx), DataEntry("reserve", reserve), DataEntry("neutrinoSupply", neutrinoSupply), DataEntry("surplus", surplus)])
338	340		}
339	341
340	342
341	343		@Verifier(tx)
342	344		func verify () = {
343	345		let pubKeyAdminsList = ["GXxmZaCigPgJsT6d1cLr8nUXA65nGX8V7FuAzzrY8wQE", "3xumx4hrPpeeoo79HLGbZCgfz95L39ZFdxxwWeSUC2Pu", "D4CqtK5fBsnzRo33ZMhrM7niLseDH2uRoK6weBq2JQ3A", "5WRXFSjwcTbNfKcJs8ZqXmSSWYsSVJUtMvMqZj5hH4Nc"]
344	346		let count = ((((if (sigVerify(tx.bodyBytes, tx.proofs[0], fromBase58String(pubKeyAdminsList[0])))
345	347		then 1
346	348		else 0) + (if (sigVerify(tx.bodyBytes, tx.proofs[1], fromBase58String(pubKeyAdminsList[1])))
347	349		then 1
348	350		else 0)) + (if (sigVerify(tx.bodyBytes, tx.proofs[2], fromBase58String(pubKeyAdminsList[2])))
349	351		then 1
350	352		else 0)) + (if (sigVerify(tx.bodyBytes, tx.proofs[3], fromBase58String(pubKeyAdminsList[3])))
351	353		then 2
352	354		else 0))
353	355		(count >= 3)
354	356		}
355	357

github/deemru/w8io/873ac7e 
42.84 ms ◑