tx · FfaS6RncNvWpGikXKHzqUNwJ9FyxDg61ADvSgRa2maLn 3P8ryJ78cdQZVAJWJFx8sjRtMCSzmJ6EhNK: -0.01400000 Waves 2020.11.03 16:13 [2312955] smart account 3P8ryJ78cdQZVAJWJFx8sjRtMCSzmJ6EhNK > SELF 0.00000000 Waves
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"chainId": 87, "height": 2312955, "applicationStatus": "succeeded", "spentComplexity": 0 } View: original | compacted Prev: 2zzhcWDU4fUa2KUWdakhZLYxpN5SeFLpw3Z77CNDeRik Next: none Diff:
Old | New | Differences | |
---|---|---|---|
13 | 13 | ||
14 | 14 | let IdTokenB = getStringValue(this, "assetIdTokenB") | |
15 | 15 | ||
16 | + | let amountTokenB = getIntegerValue(this, "amountTokenB") | |
17 | + | ||
18 | + | let amountTokenA = getIntegerValue(this, "amountTokenA") | |
19 | + | ||
16 | 20 | let IdTokenShare = getStringValue(this, "share_token_id") | |
17 | - | ||
18 | - | let dAppTokensAmountA = getIntegerValue(this, "amountTokenA") | |
19 | - | ||
20 | - | let dAppTokensAmountB = getIntegerValue(this, "amountTokenB") | |
21 | 21 | ||
22 | 22 | let tokenShareSupply = getIntegerValue(this, "share_token_supply") | |
23 | 23 | ||
24 | - | let | |
24 | + | let comission = 3000 | |
25 | 25 | ||
26 | - | let dAppThresholdDelimiter = 100 | |
27 | - | ||
28 | - | let comission = 500 | |
29 | - | ||
30 | - | let commisionGovernance = 200 | |
26 | + | let commisionGovernance = 1200 | |
31 | 27 | ||
32 | 28 | let comissionScaleDelimiter = 1000000 | |
33 | 29 | ||
34 | - | let version = "2.0.0" | |
35 | - | ||
36 | - | let invariant = getIntegerValue(this, "invariant") | |
30 | + | let version = "1.0.0" | |
37 | 31 | ||
38 | 32 | let scaleValue3 = 1000 | |
39 | 33 | ||
40 | 34 | let scaleValue8 = 100000000 | |
41 | 35 | ||
42 | - | let scaleValue8Digits = 8 | |
43 | - | ||
44 | - | let scaleValue12 = 1000000000000 | |
45 | - | ||
46 | - | let scaleValue12Digits = 12 | |
47 | - | ||
48 | - | let ratioThresholdMax = 100000000 | |
49 | - | ||
50 | - | let ratioThresholdMin = 99999000 | |
51 | - | ||
52 | 36 | let replanishmentSlippageToleranceDelimeter = 1000 | |
53 | 37 | ||
54 | - | let alpha = 50 | |
55 | - | ||
56 | - | let alphaDigits = 2 | |
57 | - | ||
58 | - | let beta = 46000000 | |
59 | - | ||
60 | - | let betaDigits = 8 | |
38 | + | let scaleValue8Digits = 8 | |
61 | 39 | ||
62 | 40 | func assetId (asset) = if ((asset == "WAVES")) | |
63 | 41 | then unit | |
69 | 47 | let assetIdTokenB = assetId(IdTokenB) | |
70 | 48 | ||
71 | 49 | let assetIdTokenShare = fromBase58String(IdTokenShare) | |
72 | - | ||
73 | - | func skeweness (x,y) = (((fraction(scaleValue12, x, y) + fraction(scaleValue12, y, x)) / 2) / 10000) | |
74 | - | ||
75 | - | ||
76 | - | func invariantCalc (x,y) = { | |
77 | - | let sk = skeweness(x, y) | |
78 | - | (fraction((x + y), scaleValue8, pow(sk, scaleValue8Digits, alpha, alphaDigits, 8, UP)) + (2 * fraction(pow(fraction(x, y, scaleValue8), 0, 5, 1, (scaleValue8Digits / 2), DOWN), pow((sk - beta), scaleValue8Digits, alpha, alphaDigits, scaleValue8Digits, DOWN), scaleValue8))) | |
79 | - | } | |
80 | - | ||
81 | - | ||
82 | - | func calculateHowManySendTokenA (amountToSendEstimated,minTokenRecieveAmount,amountTokenA,amountTokenB,tokenReceiveAmount) = { | |
83 | - | let slippageValue = (scaleValue8 - ((scaleValue8 * 1) / 10000000)) | |
84 | - | let deltaBetweenMaxAndMinSendValue = (amountToSendEstimated - minTokenRecieveAmount) | |
85 | - | let amountToSendStep1 = (amountToSendEstimated - ((1 * deltaBetweenMaxAndMinSendValue) / 5)) | |
86 | - | let amountToSendStep2 = (amountToSendEstimated - ((2 * deltaBetweenMaxAndMinSendValue) / 5)) | |
87 | - | let amountToSendStep3 = (amountToSendEstimated - ((3 * deltaBetweenMaxAndMinSendValue) / 5)) | |
88 | - | let amountToSendStep4 = (amountToSendEstimated - ((4 * deltaBetweenMaxAndMinSendValue) / 5)) | |
89 | - | let amountToSendStep5 = (amountToSendEstimated - ((5 * deltaBetweenMaxAndMinSendValue) / 5)) | |
90 | - | if ((0 > (invariantCalc((amountTokenA - amountToSendStep5), (amountTokenB + tokenReceiveAmount)) - invariant))) | |
91 | - | then throw("minTokenRecieveAmount too large.err1") | |
92 | - | else { | |
93 | - | let invariantEstimatedRatio = fraction(invariant, scaleValue8, invariantCalc((amountTokenA - amountToSendEstimated), (amountTokenB + tokenReceiveAmount))) | |
94 | - | if (if ((invariantEstimatedRatio > slippageValue)) | |
95 | - | then (scaleValue8 > invariantEstimatedRatio) | |
96 | - | else false) | |
97 | - | then amountToSendEstimated | |
98 | - | else if (((invariantCalc((amountTokenA - amountToSendStep1), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
99 | - | then ((amountToSendStep1 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
100 | - | else if (((invariantCalc((amountTokenA - amountToSendStep2), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
101 | - | then ((amountToSendStep2 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
102 | - | else if (((invariantCalc((amountTokenA - amountToSendStep3), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
103 | - | then ((amountToSendStep3 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
104 | - | else if (((invariantCalc((amountTokenA - amountToSendStep4), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
105 | - | then ((amountToSendStep4 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
106 | - | else if (((invariantCalc((amountTokenA - amountToSendStep5), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
107 | - | then ((amountToSendStep5 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
108 | - | else throw("something went wrong while working with amountToSendStep. err2") | |
109 | - | } | |
110 | - | } | |
111 | - | ||
112 | - | ||
113 | - | func calculateHowManySendTokenB (amountToSendEstimated,minTokenRecieveAmount,amountTokenA,amountTokenB,tokenReceiveAmount) = { | |
114 | - | let slippageValue = (scaleValue8 - ((scaleValue8 * 1) / 10000000)) | |
115 | - | let deltaBetweenMaxAndMinSendValue = (amountToSendEstimated - minTokenRecieveAmount) | |
116 | - | let amountToSendStep1 = (amountToSendEstimated - ((1 * deltaBetweenMaxAndMinSendValue) / 5)) | |
117 | - | let amountToSendStep2 = (amountToSendEstimated - ((2 * deltaBetweenMaxAndMinSendValue) / 5)) | |
118 | - | let amountToSendStep3 = (amountToSendEstimated - ((3 * deltaBetweenMaxAndMinSendValue) / 5)) | |
119 | - | let amountToSendStep4 = (amountToSendEstimated - ((4 * deltaBetweenMaxAndMinSendValue) / 5)) | |
120 | - | let amountToSendStep5 = (amountToSendEstimated - ((5 * deltaBetweenMaxAndMinSendValue) / 5)) | |
121 | - | if ((0 > (invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep5)) - invariant))) | |
122 | - | then throw("minTokenRecieveAmount too large.err1") | |
123 | - | else { | |
124 | - | let invariantEstimatedRatio = fraction(invariant, scaleValue8, invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendEstimated))) | |
125 | - | if (if ((invariantEstimatedRatio > slippageValue)) | |
126 | - | then (scaleValue8 > invariantEstimatedRatio) | |
127 | - | else false) | |
128 | - | then amountToSendEstimated | |
129 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep1)) - invariant) > 0)) | |
130 | - | then ((amountToSendStep1 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
131 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep2)) - invariant) > 0)) | |
132 | - | then ((amountToSendStep2 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
133 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep3)) - invariant) > 0)) | |
134 | - | then ((amountToSendStep3 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
135 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep4)) - invariant) > 0)) | |
136 | - | then ((amountToSendStep4 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
137 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep5)) - invariant) > 0)) | |
138 | - | then ((amountToSendStep5 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
139 | - | else throw("something went wrong while working with amountToSendStep. err2") | |
140 | - | } | |
141 | - | } | |
142 | - | ||
143 | 50 | ||
144 | 51 | @Callable(contextObj) | |
145 | 52 | func fund () = { | |
181 | 88 | value(assetInfo(value(assetIdReceivedB))).name | |
182 | 89 | } | |
183 | 90 | let shareTokenName = ((("s" + take(asssetNameA, 7)) + "_") + take(asssetNameB, 7)) | |
184 | - | let digitsInShareToken = ((digitTokenA + digitTokenB) / 2) | |
185 | - | let shareTokenInitialAmount = fraction(pow(tokenReceiveAmountA, digitTokenA, 5, 1, digitTokenA, HALFDOWN), pow(tokenReceiveAmountB, digitTokenB, 5, 1, digitTokenB, HALFDOWN), pow(10, 0, digitsInShareToken, 0, 0, HALFDOWN)) | |
186 | - | let description = ((((("ShareToken of SwopFi protocol for " + asssetNameA) + " and ") + asssetNameB) + " at address ") + toString(this)) | |
187 | - | let shareTokenAssetId = calculateAssetId(Issue(shareTokenName, description, shareTokenInitialAmount, digitsInShareToken, true)) | |
188 | 91 | let assetIdTokenStringA = match assetIdReceivedA { | |
189 | 92 | case t: Unit => | |
190 | 93 | "WAVES" | |
201 | 104 | case _ => | |
202 | 105 | throw("Match error") | |
203 | 106 | } | |
204 | - | let invariantCalcualated = invariantCalc(tokenReceiveAmountA, tokenReceiveAmountB) | |
205 | - | [IntegerEntry("amountTokenA", tokenReceiveAmountA), IntegerEntry("amountTokenB", tokenReceiveAmountB), StringEntry("assetIdTokenA", assetIdTokenStringA), StringEntry("assetIdTokenB", assetIdTokenStringB), IntegerEntry("invariant", invariantCalcualated), BooleanEntry("status", true), IntegerEntry("comission", comission), IntegerEntry("comissionScaleDelimiter", comissionScaleDelimiter), StringEntry("version", version), Issue(shareTokenName, description, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)] | |
107 | + | let digitsInShareToken = ((digitTokenA + digitTokenB) / 2) | |
108 | + | let shareTokenInitialAmount = fraction(pow(tokenReceiveAmountA, digitTokenA, 5, 1, digitTokenA, HALFDOWN), pow(tokenReceiveAmountB, digitTokenB, 5, 1, digitTokenB, HALFDOWN), pow(10, 0, digitsInShareToken, 0, 0, HALFDOWN)) | |
109 | + | let description = ((((("ShareToken of SwopFi protocol for " + asssetNameA) + " and ") + asssetNameB) + " at address ") + toString(this)) | |
110 | + | let shareTokenAssetId = calculateAssetId(Issue(shareTokenName, description, shareTokenInitialAmount, digitsInShareToken, true)) | |
111 | + | [IntegerEntry("amountTokenA", tokenReceiveAmountA), IntegerEntry("amountTokenB", tokenReceiveAmountB), StringEntry("assetIdTokenA", assetIdTokenStringA), StringEntry("assetIdTokenB", assetIdTokenStringB), BooleanEntry("status", true), IntegerEntry("comission", comission), IntegerEntry("comissionScaleDelimiter", comissionScaleDelimiter), StringEntry("version", version), Issue(shareTokenName, description, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)] | |
206 | 112 | } | |
207 | 113 | } | |
208 | 114 | ||
216 | 122 | let tokenReceiveAmountA = paymentA.amount | |
217 | 123 | let assetIdReceivedB = paymentB.assetId | |
218 | 124 | let tokenReceiveAmountB = paymentB.amount | |
219 | - | let invariantCalcualated = invariantCalc((dAppTokensAmountA + tokenReceiveAmountA), (dAppTokensAmountB + tokenReceiveAmountB)) | |
125 | + | let dAppTokensAmountA = getIntegerValue(this, "amountTokenA") | |
126 | + | let dAppTokensAmountB = getIntegerValue(this, "amountTokenB") | |
220 | 127 | if ((getBooleanValue(this, "status") != true)) | |
221 | 128 | then throw("status: Unactive") | |
222 | 129 | else if (if ((assetIdReceivedA != assetIdTokenA)) | |
237 | 144 | else fraction(ratioShareTokensInB, tokenShareSupply, scaleValue8) | |
238 | 145 | if ((shareTokenToPayAmount == 0)) | |
239 | 146 | then throw("you try replansish with very small amount") | |
240 | - | else [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", (dAppTokensAmountA + tokenReceiveAmountA)), IntegerEntry("amountTokenB", (dAppTokensAmountB + tokenReceiveAmountB)) | |
147 | + | else [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", (dAppTokensAmountA + tokenReceiveAmountA)), IntegerEntry("amountTokenB", (dAppTokensAmountB + tokenReceiveAmountB))] | |
241 | 148 | } | |
242 | 149 | } | |
243 | 150 | } | |
245 | 152 | ||
246 | 153 | ||
247 | 154 | @Callable(contextObj) | |
248 | - | func | |
249 | - | let | |
250 | - | let | |
155 | + | func withdraw () = { | |
156 | + | let dAppTokensAmountA = getIntegerValue(this, "amountTokenA") | |
157 | + | let dAppTokensAmountB = getIntegerValue(this, "amountTokenB") | |
251 | 158 | let payment = value(contextObj.payments[0]) | |
252 | 159 | let assetIdReceived = payment.assetId | |
253 | 160 | let tokenReceiveAmount = payment.amount | |
254 | - | let slippageValueMin = (scaleValue8 - ((scaleValue8 * 1) / 10000000)) | |
255 | - | let slippageValueMax = (scaleValue8 + ((scaleValue8 * 1) / 10000000)) | |
256 | - | if ((getBooleanValue(this, "status") != true)) | |
257 | - | then throw("status: Unactive") | |
258 | - | else if ((assetIdReceived == assetIdTokenA)) | |
259 | - | then { | |
260 | - | let amountVirtualReplanishTokenA = (tokenReceiveAmount - virtualSwapTokenPay) | |
261 | - | let amountVirtualReplanishTokenB = virtualSwapTokenGet | |
262 | - | let contractBalanceAfterVirtualSwapTokenA = (amountTokenA + virtualSwapTokenPay) | |
263 | - | let contractBalanceAfterVirtualSwapTokenB = (amountTokenB - virtualSwapTokenGet) | |
264 | - | let invariantEstimatedRatio = fraction(invariant, scaleValue8, invariantCalc(contractBalanceAfterVirtualSwapTokenA, contractBalanceAfterVirtualSwapTokenB)) | |
265 | - | if (if ((invariantEstimatedRatio > slippageValueMin)) | |
266 | - | then (scaleValue8 >= invariantEstimatedRatio) | |
267 | - | else false) | |
268 | - | then { | |
269 | - | let ratioVirtualBalanceToVirtualReplanish = (fraction(contractBalanceAfterVirtualSwapTokenA, (scaleValue8 * scaleValue8), contractBalanceAfterVirtualSwapTokenB) / fraction(amountVirtualReplanishTokenA, scaleValue8, amountVirtualReplanishTokenB)) | |
270 | - | if (if ((slippageValueMin > ratioVirtualBalanceToVirtualReplanish)) | |
271 | - | then true | |
272 | - | else (ratioVirtualBalanceToVirtualReplanish > slippageValueMax)) | |
273 | - | then throw("swop with virtualSwapTokenPay and virtualSwapTokenGet possible, but ratio after virtual swap incorrect") | |
274 | - | else { | |
275 | - | let ratioShareTokensInA = fraction(amountVirtualReplanishTokenA, scaleValue8, contractBalanceAfterVirtualSwapTokenA) | |
276 | - | let ratioShareTokensInB = fraction(amountVirtualReplanishTokenB, scaleValue8, contractBalanceAfterVirtualSwapTokenB) | |
277 | - | let shareTokenToPayAmount = if ((ratioShareTokensInB >= ratioShareTokensInA)) | |
278 | - | then fraction(ratioShareTokensInA, tokenShareSupply, scaleValue8) | |
279 | - | else fraction(ratioShareTokensInB, tokenShareSupply, scaleValue8) | |
280 | - | let invariantCalcualated = invariantCalc((amountTokenA + tokenReceiveAmount), amountTokenB) | |
281 | - | [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", (dAppTokensAmountA + tokenReceiveAmount)), IntegerEntry("invariant", invariantCalcualated)] | |
282 | - | } | |
283 | - | } | |
284 | - | else throw("incorrect virtualSwapTokenPay or virtualSwapTokenGet value") | |
285 | - | } | |
286 | - | else if ((assetIdReceived == assetIdTokenB)) | |
287 | - | then { | |
288 | - | let amountVirtualReplanishTokenB = (tokenReceiveAmount - virtualSwapTokenPay) | |
289 | - | let amountVirtualReplanishTokenA = virtualSwapTokenGet | |
290 | - | let contractBalanceAfterVirtualSwapTokenA = (amountTokenA - virtualSwapTokenGet) | |
291 | - | let contractBalanceAfterVirtualSwapTokenB = (amountTokenB + virtualSwapTokenPay) | |
292 | - | let invariantEstimatedRatio = fraction(invariant, scaleValue8, invariantCalc(contractBalanceAfterVirtualSwapTokenA, contractBalanceAfterVirtualSwapTokenB)) | |
293 | - | if (if ((invariantEstimatedRatio > slippageValueMin)) | |
294 | - | then (scaleValue8 >= invariantEstimatedRatio) | |
295 | - | else false) | |
296 | - | then { | |
297 | - | let ratioVirtualBalanceToVirtualReplanish = (fraction(contractBalanceAfterVirtualSwapTokenA, (scaleValue8 * scaleValue8), contractBalanceAfterVirtualSwapTokenB) / fraction(amountVirtualReplanishTokenA, scaleValue8, amountVirtualReplanishTokenB)) | |
298 | - | if (if ((slippageValueMin > ratioVirtualBalanceToVirtualReplanish)) | |
299 | - | then true | |
300 | - | else (ratioVirtualBalanceToVirtualReplanish > slippageValueMax)) | |
301 | - | then throw("swop with virtualSwapTokenPay and virtualSwapTokenGet possible, but ratio after virtual swap incorrect") | |
302 | - | else { | |
303 | - | let ratioShareTokensInA = fraction(amountVirtualReplanishTokenA, scaleValue8, contractBalanceAfterVirtualSwapTokenA) | |
304 | - | let ratioShareTokensInB = fraction(amountVirtualReplanishTokenB, scaleValue8, contractBalanceAfterVirtualSwapTokenB) | |
305 | - | let shareTokenToPayAmount = if ((ratioShareTokensInB >= ratioShareTokensInA)) | |
306 | - | then fraction(ratioShareTokensInA, tokenShareSupply, scaleValue8) | |
307 | - | else fraction(ratioShareTokensInB, tokenShareSupply, scaleValue8) | |
308 | - | let invariantCalcualated = invariantCalc(amountTokenA, (amountTokenB + tokenReceiveAmount)) | |
309 | - | [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenB", (dAppTokensAmountB + tokenReceiveAmount)), IntegerEntry("invariant", invariantCalcualated)] | |
310 | - | } | |
311 | - | } | |
312 | - | else throw("incorrect virtualSwapTokenPay or virtualSwapTokenGet value") | |
313 | - | } | |
314 | - | else throw("incorrect assets in payment") | |
161 | + | if ((assetIdTokenShare != assetIdReceived)) | |
162 | + | then throw(("you need to attach share token for this dApp " + toBase58String(assetIdTokenShare))) | |
163 | + | else { | |
164 | + | let tokensToPayA = fraction(tokenReceiveAmount, dAppTokensAmountA, tokenShareSupply) | |
165 | + | let tokensToPayB = fraction(tokenReceiveAmount, dAppTokensAmountB, tokenShareSupply) | |
166 | + | if ((getBooleanValue(this, "status") != true)) | |
167 | + | then throw("status: Unactive") | |
168 | + | else [ScriptTransfer(contextObj.caller, tokensToPayA, assetIdTokenA), ScriptTransfer(contextObj.caller, tokensToPayB, assetIdTokenB), IntegerEntry("amountTokenA", (dAppTokensAmountA - tokensToPayA)), IntegerEntry("amountTokenB", (dAppTokensAmountB - tokensToPayB)), IntegerEntry("share_token_supply", (tokenShareSupply - tokenReceiveAmount)), Burn(assetIdTokenShare, tokenReceiveAmount)] | |
169 | + | } | |
315 | 170 | } | |
316 | 171 | ||
317 | 172 | ||
318 | 173 | ||
319 | 174 | @Callable(contextObj) | |
320 | - | func withdraw () = { | |
321 | - | let payment = value(contextObj.payments[0]) | |
322 | - | let assetIdReceived = payment.assetId | |
323 | - | let tokenReceiveAmount = payment.amount | |
324 | - | let tokensToPayA = fraction(tokenReceiveAmount, dAppTokensAmountA, tokenShareSupply) | |
325 | - | let tokensToPayB = fraction(tokenReceiveAmount, dAppTokensAmountB, tokenShareSupply) | |
326 | - | let invariantCalcualated = invariantCalc((dAppTokensAmountA - tokensToPayA), (dAppTokensAmountB - tokensToPayB)) | |
327 | - | if ((getBooleanValue(this, "status") != true)) | |
328 | - | then throw("status: Unactive") | |
329 | - | else [IntegerEntry("amountTokenA", (dAppTokensAmountA - tokensToPayA)), IntegerEntry("amountTokenB", (dAppTokensAmountB - tokensToPayB)), IntegerEntry("share_token_supply", (tokenShareSupply - tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokensToPayA, assetIdTokenA), ScriptTransfer(contextObj.caller, tokensToPayB, assetIdTokenB), Burn(assetIdTokenShare, tokenReceiveAmount), IntegerEntry("invariant", invariantCalcualated)] | |
330 | - | } | |
331 | - | ||
332 | - | ||
333 | - | ||
334 | - | @Callable(contextObj) | |
335 | - | func exchanger (amountToSendEstimated,minTokenRecieveAmount) = { | |
336 | - | let amountTokenB = getIntegerValue(this, "amountTokenB") | |
337 | - | let amountTokenA = getIntegerValue(this, "amountTokenA") | |
175 | + | func exchanger (minTokenRecieve) = { | |
338 | 176 | let payment = value(contextObj.payments[0]) | |
339 | 177 | let assetIdReceived = payment.assetId | |
340 | 178 | let tokenReceiveAmount = payment.amount | |
342 | 180 | then throw("status: Unactive") | |
343 | 181 | else if ((assetIdReceived == assetIdTokenB)) | |
344 | 182 | then { | |
345 | - | let tokenSendAmountWithoutFee = | |
183 | + | let tokenSendAmountWithoutFee = fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB)) | |
346 | 184 | let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter) | |
347 | 185 | let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter) | |
348 | - | let assetIdSend = assetIdTokenA | |
349 | - | let newAmountTokenA = ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance) | |
350 | - | let newAmountTokenB = (amountTokenB + tokenReceiveAmount) | |
351 | - | let dAppThresholdAmount = fraction((dAppTokensAmountA + dAppTokensAmountB), dAppThreshold, (2 * dAppThresholdDelimiter)) | |
352 | - | if (if ((dAppThresholdAmount > newAmountTokenA)) | |
353 | - | then true | |
354 | - | else (dAppThresholdAmount > newAmountTokenB)) | |
355 | - | then throw("balance error: new dApp tokens amount less than dAppThresholdAmount") | |
356 | - | else [IntegerEntry("amountTokenA", newAmountTokenA), IntegerEntry("amountTokenB", newAmountTokenB), IntegerEntry("invariant", invariantCalc(((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance), (amountTokenB + tokenReceiveAmount))), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)] | |
186 | + | if ((minTokenRecieve > tokenSendAmountWithFee)) | |
187 | + | then throw("Price has changed dramatically. minTokenRecieve too large") | |
188 | + | else { | |
189 | + | let assetIdSend = assetIdTokenA | |
190 | + | [IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)] | |
191 | + | } | |
357 | 192 | } | |
358 | 193 | else if ((assetIdReceived == assetIdTokenA)) | |
359 | 194 | then { | |
360 | - | let tokenSendAmountWithoutFee = | |
195 | + | let tokenSendAmountWithoutFee = fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA)) | |
361 | 196 | let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter) | |
362 | 197 | let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter) | |
363 | - | let assetIdSend = assetIdTokenB | |
364 | - | let newAmountTokenA = (amountTokenA + tokenReceiveAmount) | |
365 | - | let newAmountTokenB = ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance) | |
366 | - | let dAppThresholdAmount = fraction((dAppTokensAmountA + dAppTokensAmountB), dAppThreshold, (2 * dAppThresholdDelimiter)) | |
367 | - | if (if ((dAppThresholdAmount > newAmountTokenA)) | |
368 | - | then true | |
369 | - | else (dAppThresholdAmount > newAmountTokenB)) | |
370 | - | then throw("balance error: new dApp tokens amount less than dAppThresholdAmount") | |
371 | - | else [IntegerEntry("amountTokenA", newAmountTokenA), IntegerEntry("amountTokenB", newAmountTokenB), IntegerEntry("invariant", invariantCalc((amountTokenA + tokenReceiveAmount), ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance))), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)] | |
198 | + | if ((minTokenRecieve > tokenSendAmountWithFee)) | |
199 | + | then throw("Price has changed dramatically. minTokenRecieve too large") | |
200 | + | else { | |
201 | + | let assetIdSend = assetIdTokenB | |
202 | + | [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)] | |
203 | + | } | |
372 | 204 | } | |
373 | 205 | else throw("Asset is not allowed") | |
374 | 206 | } |
Old | New | Differences | |
---|---|---|---|
1 | 1 | {-# STDLIB_VERSION 4 #-} | |
2 | 2 | {-# SCRIPT_TYPE ACCOUNT #-} | |
3 | 3 | {-# CONTENT_TYPE DAPP #-} | |
4 | 4 | let adminAddressPubKey1 = base58'3y2wvtQtxqwbSZB4R9Au17XqyGs9UgRHw5sPLAcAvQMu' | |
5 | 5 | ||
6 | 6 | let adminAddressPubKey2 = base58'3y2wvtQtxqwbSZB4R9Au17XqyGs9UgRHw5sPLAcAvQMu' | |
7 | 7 | ||
8 | 8 | let adminAddressPubKey3 = base58'3y2wvtQtxqwbSZB4R9Au17XqyGs9UgRHw5sPLAcAvQMu' | |
9 | 9 | ||
10 | 10 | let governanceAddress = Address(base58'3P5SBcTmP5zu1F9JVmNHycgC69KEer9Pza9') | |
11 | 11 | ||
12 | 12 | let IdTokenA = getStringValue(this, "assetIdTokenA") | |
13 | 13 | ||
14 | 14 | let IdTokenB = getStringValue(this, "assetIdTokenB") | |
15 | 15 | ||
16 | + | let amountTokenB = getIntegerValue(this, "amountTokenB") | |
17 | + | ||
18 | + | let amountTokenA = getIntegerValue(this, "amountTokenA") | |
19 | + | ||
16 | 20 | let IdTokenShare = getStringValue(this, "share_token_id") | |
17 | - | ||
18 | - | let dAppTokensAmountA = getIntegerValue(this, "amountTokenA") | |
19 | - | ||
20 | - | let dAppTokensAmountB = getIntegerValue(this, "amountTokenB") | |
21 | 21 | ||
22 | 22 | let tokenShareSupply = getIntegerValue(this, "share_token_supply") | |
23 | 23 | ||
24 | - | let | |
24 | + | let comission = 3000 | |
25 | 25 | ||
26 | - | let dAppThresholdDelimiter = 100 | |
27 | - | ||
28 | - | let comission = 500 | |
29 | - | ||
30 | - | let commisionGovernance = 200 | |
26 | + | let commisionGovernance = 1200 | |
31 | 27 | ||
32 | 28 | let comissionScaleDelimiter = 1000000 | |
33 | 29 | ||
34 | - | let version = "2.0.0" | |
35 | - | ||
36 | - | let invariant = getIntegerValue(this, "invariant") | |
30 | + | let version = "1.0.0" | |
37 | 31 | ||
38 | 32 | let scaleValue3 = 1000 | |
39 | 33 | ||
40 | 34 | let scaleValue8 = 100000000 | |
41 | 35 | ||
42 | - | let scaleValue8Digits = 8 | |
43 | - | ||
44 | - | let scaleValue12 = 1000000000000 | |
45 | - | ||
46 | - | let scaleValue12Digits = 12 | |
47 | - | ||
48 | - | let ratioThresholdMax = 100000000 | |
49 | - | ||
50 | - | let ratioThresholdMin = 99999000 | |
51 | - | ||
52 | 36 | let replanishmentSlippageToleranceDelimeter = 1000 | |
53 | 37 | ||
54 | - | let alpha = 50 | |
55 | - | ||
56 | - | let alphaDigits = 2 | |
57 | - | ||
58 | - | let beta = 46000000 | |
59 | - | ||
60 | - | let betaDigits = 8 | |
38 | + | let scaleValue8Digits = 8 | |
61 | 39 | ||
62 | 40 | func assetId (asset) = if ((asset == "WAVES")) | |
63 | 41 | then unit | |
64 | 42 | else fromBase58String(asset) | |
65 | 43 | ||
66 | 44 | ||
67 | 45 | let assetIdTokenA = assetId(IdTokenA) | |
68 | 46 | ||
69 | 47 | let assetIdTokenB = assetId(IdTokenB) | |
70 | 48 | ||
71 | 49 | let assetIdTokenShare = fromBase58String(IdTokenShare) | |
72 | - | ||
73 | - | func skeweness (x,y) = (((fraction(scaleValue12, x, y) + fraction(scaleValue12, y, x)) / 2) / 10000) | |
74 | - | ||
75 | - | ||
76 | - | func invariantCalc (x,y) = { | |
77 | - | let sk = skeweness(x, y) | |
78 | - | (fraction((x + y), scaleValue8, pow(sk, scaleValue8Digits, alpha, alphaDigits, 8, UP)) + (2 * fraction(pow(fraction(x, y, scaleValue8), 0, 5, 1, (scaleValue8Digits / 2), DOWN), pow((sk - beta), scaleValue8Digits, alpha, alphaDigits, scaleValue8Digits, DOWN), scaleValue8))) | |
79 | - | } | |
80 | - | ||
81 | - | ||
82 | - | func calculateHowManySendTokenA (amountToSendEstimated,minTokenRecieveAmount,amountTokenA,amountTokenB,tokenReceiveAmount) = { | |
83 | - | let slippageValue = (scaleValue8 - ((scaleValue8 * 1) / 10000000)) | |
84 | - | let deltaBetweenMaxAndMinSendValue = (amountToSendEstimated - minTokenRecieveAmount) | |
85 | - | let amountToSendStep1 = (amountToSendEstimated - ((1 * deltaBetweenMaxAndMinSendValue) / 5)) | |
86 | - | let amountToSendStep2 = (amountToSendEstimated - ((2 * deltaBetweenMaxAndMinSendValue) / 5)) | |
87 | - | let amountToSendStep3 = (amountToSendEstimated - ((3 * deltaBetweenMaxAndMinSendValue) / 5)) | |
88 | - | let amountToSendStep4 = (amountToSendEstimated - ((4 * deltaBetweenMaxAndMinSendValue) / 5)) | |
89 | - | let amountToSendStep5 = (amountToSendEstimated - ((5 * deltaBetweenMaxAndMinSendValue) / 5)) | |
90 | - | if ((0 > (invariantCalc((amountTokenA - amountToSendStep5), (amountTokenB + tokenReceiveAmount)) - invariant))) | |
91 | - | then throw("minTokenRecieveAmount too large.err1") | |
92 | - | else { | |
93 | - | let invariantEstimatedRatio = fraction(invariant, scaleValue8, invariantCalc((amountTokenA - amountToSendEstimated), (amountTokenB + tokenReceiveAmount))) | |
94 | - | if (if ((invariantEstimatedRatio > slippageValue)) | |
95 | - | then (scaleValue8 > invariantEstimatedRatio) | |
96 | - | else false) | |
97 | - | then amountToSendEstimated | |
98 | - | else if (((invariantCalc((amountTokenA - amountToSendStep1), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
99 | - | then ((amountToSendStep1 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
100 | - | else if (((invariantCalc((amountTokenA - amountToSendStep2), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
101 | - | then ((amountToSendStep2 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
102 | - | else if (((invariantCalc((amountTokenA - amountToSendStep3), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
103 | - | then ((amountToSendStep3 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
104 | - | else if (((invariantCalc((amountTokenA - amountToSendStep4), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
105 | - | then ((amountToSendStep4 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
106 | - | else if (((invariantCalc((amountTokenA - amountToSendStep5), (amountTokenB + tokenReceiveAmount)) - invariant) > 0)) | |
107 | - | then ((amountToSendStep5 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
108 | - | else throw("something went wrong while working with amountToSendStep. err2") | |
109 | - | } | |
110 | - | } | |
111 | - | ||
112 | - | ||
113 | - | func calculateHowManySendTokenB (amountToSendEstimated,minTokenRecieveAmount,amountTokenA,amountTokenB,tokenReceiveAmount) = { | |
114 | - | let slippageValue = (scaleValue8 - ((scaleValue8 * 1) / 10000000)) | |
115 | - | let deltaBetweenMaxAndMinSendValue = (amountToSendEstimated - minTokenRecieveAmount) | |
116 | - | let amountToSendStep1 = (amountToSendEstimated - ((1 * deltaBetweenMaxAndMinSendValue) / 5)) | |
117 | - | let amountToSendStep2 = (amountToSendEstimated - ((2 * deltaBetweenMaxAndMinSendValue) / 5)) | |
118 | - | let amountToSendStep3 = (amountToSendEstimated - ((3 * deltaBetweenMaxAndMinSendValue) / 5)) | |
119 | - | let amountToSendStep4 = (amountToSendEstimated - ((4 * deltaBetweenMaxAndMinSendValue) / 5)) | |
120 | - | let amountToSendStep5 = (amountToSendEstimated - ((5 * deltaBetweenMaxAndMinSendValue) / 5)) | |
121 | - | if ((0 > (invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep5)) - invariant))) | |
122 | - | then throw("minTokenRecieveAmount too large.err1") | |
123 | - | else { | |
124 | - | let invariantEstimatedRatio = fraction(invariant, scaleValue8, invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendEstimated))) | |
125 | - | if (if ((invariantEstimatedRatio > slippageValue)) | |
126 | - | then (scaleValue8 > invariantEstimatedRatio) | |
127 | - | else false) | |
128 | - | then amountToSendEstimated | |
129 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep1)) - invariant) > 0)) | |
130 | - | then ((amountToSendStep1 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
131 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep2)) - invariant) > 0)) | |
132 | - | then ((amountToSendStep2 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
133 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep3)) - invariant) > 0)) | |
134 | - | then ((amountToSendStep3 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
135 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep4)) - invariant) > 0)) | |
136 | - | then ((amountToSendStep4 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
137 | - | else if (((invariantCalc((amountTokenA + tokenReceiveAmount), (amountTokenB - amountToSendStep5)) - invariant) > 0)) | |
138 | - | then ((amountToSendStep5 * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter) | |
139 | - | else throw("something went wrong while working with amountToSendStep. err2") | |
140 | - | } | |
141 | - | } | |
142 | - | ||
143 | 50 | ||
144 | 51 | @Callable(contextObj) | |
145 | 52 | func fund () = { | |
146 | 53 | let paymentA = value(contextObj.payments[0]) | |
147 | 54 | let paymentB = value(contextObj.payments[1]) | |
148 | 55 | let assetIdReceivedA = paymentA.assetId | |
149 | 56 | let tokenReceiveAmountA = paymentA.amount | |
150 | 57 | let assetIdReceivedB = paymentB.assetId | |
151 | 58 | let tokenReceiveAmountB = paymentB.amount | |
152 | 59 | let digitTokenA = match assetIdReceivedA { | |
153 | 60 | case p: Unit => | |
154 | 61 | 8 | |
155 | 62 | case p: ByteVector => | |
156 | 63 | value(assetInfo(p)).decimals | |
157 | 64 | case _ => | |
158 | 65 | throw("Match error") | |
159 | 66 | } | |
160 | 67 | let digitTokenB = match assetIdReceivedB { | |
161 | 68 | case p: Unit => | |
162 | 69 | 8 | |
163 | 70 | case p: ByteVector => | |
164 | 71 | value(assetInfo(p)).decimals | |
165 | 72 | case _ => | |
166 | 73 | throw("Match error") | |
167 | 74 | } | |
168 | 75 | if (isDefined(getBoolean(this, "status"))) | |
169 | 76 | then throw("already active") | |
170 | 77 | else { | |
171 | 78 | let asssetNameA = match assetIdReceivedA { | |
172 | 79 | case assetIdReceivedA: Unit => | |
173 | 80 | "WAVES" | |
174 | 81 | case _ => | |
175 | 82 | value(assetInfo(value(assetIdReceivedA))).name | |
176 | 83 | } | |
177 | 84 | let asssetNameB = match assetIdReceivedB { | |
178 | 85 | case assetIdReceivedB: Unit => | |
179 | 86 | "WAVES" | |
180 | 87 | case _ => | |
181 | 88 | value(assetInfo(value(assetIdReceivedB))).name | |
182 | 89 | } | |
183 | 90 | let shareTokenName = ((("s" + take(asssetNameA, 7)) + "_") + take(asssetNameB, 7)) | |
184 | - | let digitsInShareToken = ((digitTokenA + digitTokenB) / 2) | |
185 | - | let shareTokenInitialAmount = fraction(pow(tokenReceiveAmountA, digitTokenA, 5, 1, digitTokenA, HALFDOWN), pow(tokenReceiveAmountB, digitTokenB, 5, 1, digitTokenB, HALFDOWN), pow(10, 0, digitsInShareToken, 0, 0, HALFDOWN)) | |
186 | - | let description = ((((("ShareToken of SwopFi protocol for " + asssetNameA) + " and ") + asssetNameB) + " at address ") + toString(this)) | |
187 | - | let shareTokenAssetId = calculateAssetId(Issue(shareTokenName, description, shareTokenInitialAmount, digitsInShareToken, true)) | |
188 | 91 | let assetIdTokenStringA = match assetIdReceivedA { | |
189 | 92 | case t: Unit => | |
190 | 93 | "WAVES" | |
191 | 94 | case t: ByteVector => | |
192 | 95 | toBase58String(value(assetIdReceivedA)) | |
193 | 96 | case _ => | |
194 | 97 | throw("Match error") | |
195 | 98 | } | |
196 | 99 | let assetIdTokenStringB = match assetIdReceivedB { | |
197 | 100 | case t: Unit => | |
198 | 101 | "WAVES" | |
199 | 102 | case t: ByteVector => | |
200 | 103 | toBase58String(value(assetIdReceivedB)) | |
201 | 104 | case _ => | |
202 | 105 | throw("Match error") | |
203 | 106 | } | |
204 | - | let invariantCalcualated = invariantCalc(tokenReceiveAmountA, tokenReceiveAmountB) | |
205 | - | [IntegerEntry("amountTokenA", tokenReceiveAmountA), IntegerEntry("amountTokenB", tokenReceiveAmountB), StringEntry("assetIdTokenA", assetIdTokenStringA), StringEntry("assetIdTokenB", assetIdTokenStringB), IntegerEntry("invariant", invariantCalcualated), BooleanEntry("status", true), IntegerEntry("comission", comission), IntegerEntry("comissionScaleDelimiter", comissionScaleDelimiter), StringEntry("version", version), Issue(shareTokenName, description, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)] | |
107 | + | let digitsInShareToken = ((digitTokenA + digitTokenB) / 2) | |
108 | + | let shareTokenInitialAmount = fraction(pow(tokenReceiveAmountA, digitTokenA, 5, 1, digitTokenA, HALFDOWN), pow(tokenReceiveAmountB, digitTokenB, 5, 1, digitTokenB, HALFDOWN), pow(10, 0, digitsInShareToken, 0, 0, HALFDOWN)) | |
109 | + | let description = ((((("ShareToken of SwopFi protocol for " + asssetNameA) + " and ") + asssetNameB) + " at address ") + toString(this)) | |
110 | + | let shareTokenAssetId = calculateAssetId(Issue(shareTokenName, description, shareTokenInitialAmount, digitsInShareToken, true)) | |
111 | + | [IntegerEntry("amountTokenA", tokenReceiveAmountA), IntegerEntry("amountTokenB", tokenReceiveAmountB), StringEntry("assetIdTokenA", assetIdTokenStringA), StringEntry("assetIdTokenB", assetIdTokenStringB), BooleanEntry("status", true), IntegerEntry("comission", comission), IntegerEntry("comissionScaleDelimiter", comissionScaleDelimiter), StringEntry("version", version), Issue(shareTokenName, description, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)] | |
206 | 112 | } | |
207 | 113 | } | |
208 | 114 | ||
209 | 115 | ||
210 | 116 | ||
211 | 117 | @Callable(contextObj) | |
212 | 118 | func replenishmentWithTwoToken (replanishmentSlippageTolerance) = { | |
213 | 119 | let paymentA = value(contextObj.payments[0]) | |
214 | 120 | let paymentB = value(contextObj.payments[1]) | |
215 | 121 | let assetIdReceivedA = paymentA.assetId | |
216 | 122 | let tokenReceiveAmountA = paymentA.amount | |
217 | 123 | let assetIdReceivedB = paymentB.assetId | |
218 | 124 | let tokenReceiveAmountB = paymentB.amount | |
219 | - | let invariantCalcualated = invariantCalc((dAppTokensAmountA + tokenReceiveAmountA), (dAppTokensAmountB + tokenReceiveAmountB)) | |
125 | + | let dAppTokensAmountA = getIntegerValue(this, "amountTokenA") | |
126 | + | let dAppTokensAmountB = getIntegerValue(this, "amountTokenB") | |
220 | 127 | if ((getBooleanValue(this, "status") != true)) | |
221 | 128 | then throw("status: Unactive") | |
222 | 129 | else if (if ((assetIdReceivedA != assetIdTokenA)) | |
223 | 130 | then true | |
224 | 131 | else (assetIdReceivedB != assetIdTokenB)) | |
225 | 132 | then throw("incorrect assets") | |
226 | 133 | else { | |
227 | 134 | let tokenRatio = (fraction(dAppTokensAmountA, (scaleValue8 * scaleValue3), tokenReceiveAmountA) / fraction(dAppTokensAmountB, scaleValue8, tokenReceiveAmountB)) | |
228 | 135 | if (if ((((scaleValue3 * (replanishmentSlippageToleranceDelimeter - replanishmentSlippageTolerance)) / replanishmentSlippageToleranceDelimeter) > tokenRatio)) | |
229 | 136 | then true | |
230 | 137 | else (tokenRatio > ((scaleValue3 * (replanishmentSlippageToleranceDelimeter + replanishmentSlippageTolerance)) / replanishmentSlippageToleranceDelimeter))) | |
231 | 138 | then throw("incorrect assets amount: amounts must have the contract ratio") | |
232 | 139 | else { | |
233 | 140 | let ratioShareTokensInA = fraction(tokenReceiveAmountA, scaleValue8, dAppTokensAmountA) | |
234 | 141 | let ratioShareTokensInB = fraction(tokenReceiveAmountB, scaleValue8, dAppTokensAmountB) | |
235 | 142 | let shareTokenToPayAmount = if ((ratioShareTokensInB >= ratioShareTokensInA)) | |
236 | 143 | then fraction(ratioShareTokensInA, tokenShareSupply, scaleValue8) | |
237 | 144 | else fraction(ratioShareTokensInB, tokenShareSupply, scaleValue8) | |
238 | 145 | if ((shareTokenToPayAmount == 0)) | |
239 | 146 | then throw("you try replansish with very small amount") | |
240 | - | else [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", (dAppTokensAmountA + tokenReceiveAmountA)), IntegerEntry("amountTokenB", (dAppTokensAmountB + tokenReceiveAmountB)) | |
147 | + | else [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", (dAppTokensAmountA + tokenReceiveAmountA)), IntegerEntry("amountTokenB", (dAppTokensAmountB + tokenReceiveAmountB))] | |
241 | 148 | } | |
242 | 149 | } | |
243 | 150 | } | |
244 | 151 | ||
245 | 152 | ||
246 | 153 | ||
247 | 154 | @Callable(contextObj) | |
248 | - | func | |
249 | - | let | |
250 | - | let | |
155 | + | func withdraw () = { | |
156 | + | let dAppTokensAmountA = getIntegerValue(this, "amountTokenA") | |
157 | + | let dAppTokensAmountB = getIntegerValue(this, "amountTokenB") | |
251 | 158 | let payment = value(contextObj.payments[0]) | |
252 | 159 | let assetIdReceived = payment.assetId | |
253 | 160 | let tokenReceiveAmount = payment.amount | |
254 | - | let slippageValueMin = (scaleValue8 - ((scaleValue8 * 1) / 10000000)) | |
255 | - | let slippageValueMax = (scaleValue8 + ((scaleValue8 * 1) / 10000000)) | |
256 | - | if ((getBooleanValue(this, "status") != true)) | |
257 | - | then throw("status: Unactive") | |
258 | - | else if ((assetIdReceived == assetIdTokenA)) | |
259 | - | then { | |
260 | - | let amountVirtualReplanishTokenA = (tokenReceiveAmount - virtualSwapTokenPay) | |
261 | - | let amountVirtualReplanishTokenB = virtualSwapTokenGet | |
262 | - | let contractBalanceAfterVirtualSwapTokenA = (amountTokenA + virtualSwapTokenPay) | |
263 | - | let contractBalanceAfterVirtualSwapTokenB = (amountTokenB - virtualSwapTokenGet) | |
264 | - | let invariantEstimatedRatio = fraction(invariant, scaleValue8, invariantCalc(contractBalanceAfterVirtualSwapTokenA, contractBalanceAfterVirtualSwapTokenB)) | |
265 | - | if (if ((invariantEstimatedRatio > slippageValueMin)) | |
266 | - | then (scaleValue8 >= invariantEstimatedRatio) | |
267 | - | else false) | |
268 | - | then { | |
269 | - | let ratioVirtualBalanceToVirtualReplanish = (fraction(contractBalanceAfterVirtualSwapTokenA, (scaleValue8 * scaleValue8), contractBalanceAfterVirtualSwapTokenB) / fraction(amountVirtualReplanishTokenA, scaleValue8, amountVirtualReplanishTokenB)) | |
270 | - | if (if ((slippageValueMin > ratioVirtualBalanceToVirtualReplanish)) | |
271 | - | then true | |
272 | - | else (ratioVirtualBalanceToVirtualReplanish > slippageValueMax)) | |
273 | - | then throw("swop with virtualSwapTokenPay and virtualSwapTokenGet possible, but ratio after virtual swap incorrect") | |
274 | - | else { | |
275 | - | let ratioShareTokensInA = fraction(amountVirtualReplanishTokenA, scaleValue8, contractBalanceAfterVirtualSwapTokenA) | |
276 | - | let ratioShareTokensInB = fraction(amountVirtualReplanishTokenB, scaleValue8, contractBalanceAfterVirtualSwapTokenB) | |
277 | - | let shareTokenToPayAmount = if ((ratioShareTokensInB >= ratioShareTokensInA)) | |
278 | - | then fraction(ratioShareTokensInA, tokenShareSupply, scaleValue8) | |
279 | - | else fraction(ratioShareTokensInB, tokenShareSupply, scaleValue8) | |
280 | - | let invariantCalcualated = invariantCalc((amountTokenA + tokenReceiveAmount), amountTokenB) | |
281 | - | [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", (dAppTokensAmountA + tokenReceiveAmount)), IntegerEntry("invariant", invariantCalcualated)] | |
282 | - | } | |
283 | - | } | |
284 | - | else throw("incorrect virtualSwapTokenPay or virtualSwapTokenGet value") | |
285 | - | } | |
286 | - | else if ((assetIdReceived == assetIdTokenB)) | |
287 | - | then { | |
288 | - | let amountVirtualReplanishTokenB = (tokenReceiveAmount - virtualSwapTokenPay) | |
289 | - | let amountVirtualReplanishTokenA = virtualSwapTokenGet | |
290 | - | let contractBalanceAfterVirtualSwapTokenA = (amountTokenA - virtualSwapTokenGet) | |
291 | - | let contractBalanceAfterVirtualSwapTokenB = (amountTokenB + virtualSwapTokenPay) | |
292 | - | let invariantEstimatedRatio = fraction(invariant, scaleValue8, invariantCalc(contractBalanceAfterVirtualSwapTokenA, contractBalanceAfterVirtualSwapTokenB)) | |
293 | - | if (if ((invariantEstimatedRatio > slippageValueMin)) | |
294 | - | then (scaleValue8 >= invariantEstimatedRatio) | |
295 | - | else false) | |
296 | - | then { | |
297 | - | let ratioVirtualBalanceToVirtualReplanish = (fraction(contractBalanceAfterVirtualSwapTokenA, (scaleValue8 * scaleValue8), contractBalanceAfterVirtualSwapTokenB) / fraction(amountVirtualReplanishTokenA, scaleValue8, amountVirtualReplanishTokenB)) | |
298 | - | if (if ((slippageValueMin > ratioVirtualBalanceToVirtualReplanish)) | |
299 | - | then true | |
300 | - | else (ratioVirtualBalanceToVirtualReplanish > slippageValueMax)) | |
301 | - | then throw("swop with virtualSwapTokenPay and virtualSwapTokenGet possible, but ratio after virtual swap incorrect") | |
302 | - | else { | |
303 | - | let ratioShareTokensInA = fraction(amountVirtualReplanishTokenA, scaleValue8, contractBalanceAfterVirtualSwapTokenA) | |
304 | - | let ratioShareTokensInB = fraction(amountVirtualReplanishTokenB, scaleValue8, contractBalanceAfterVirtualSwapTokenB) | |
305 | - | let shareTokenToPayAmount = if ((ratioShareTokensInB >= ratioShareTokensInA)) | |
306 | - | then fraction(ratioShareTokensInA, tokenShareSupply, scaleValue8) | |
307 | - | else fraction(ratioShareTokensInB, tokenShareSupply, scaleValue8) | |
308 | - | let invariantCalcualated = invariantCalc(amountTokenA, (amountTokenB + tokenReceiveAmount)) | |
309 | - | [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenB", (dAppTokensAmountB + tokenReceiveAmount)), IntegerEntry("invariant", invariantCalcualated)] | |
310 | - | } | |
311 | - | } | |
312 | - | else throw("incorrect virtualSwapTokenPay or virtualSwapTokenGet value") | |
313 | - | } | |
314 | - | else throw("incorrect assets in payment") | |
161 | + | if ((assetIdTokenShare != assetIdReceived)) | |
162 | + | then throw(("you need to attach share token for this dApp " + toBase58String(assetIdTokenShare))) | |
163 | + | else { | |
164 | + | let tokensToPayA = fraction(tokenReceiveAmount, dAppTokensAmountA, tokenShareSupply) | |
165 | + | let tokensToPayB = fraction(tokenReceiveAmount, dAppTokensAmountB, tokenShareSupply) | |
166 | + | if ((getBooleanValue(this, "status") != true)) | |
167 | + | then throw("status: Unactive") | |
168 | + | else [ScriptTransfer(contextObj.caller, tokensToPayA, assetIdTokenA), ScriptTransfer(contextObj.caller, tokensToPayB, assetIdTokenB), IntegerEntry("amountTokenA", (dAppTokensAmountA - tokensToPayA)), IntegerEntry("amountTokenB", (dAppTokensAmountB - tokensToPayB)), IntegerEntry("share_token_supply", (tokenShareSupply - tokenReceiveAmount)), Burn(assetIdTokenShare, tokenReceiveAmount)] | |
169 | + | } | |
315 | 170 | } | |
316 | 171 | ||
317 | 172 | ||
318 | 173 | ||
319 | 174 | @Callable(contextObj) | |
320 | - | func withdraw () = { | |
321 | - | let payment = value(contextObj.payments[0]) | |
322 | - | let assetIdReceived = payment.assetId | |
323 | - | let tokenReceiveAmount = payment.amount | |
324 | - | let tokensToPayA = fraction(tokenReceiveAmount, dAppTokensAmountA, tokenShareSupply) | |
325 | - | let tokensToPayB = fraction(tokenReceiveAmount, dAppTokensAmountB, tokenShareSupply) | |
326 | - | let invariantCalcualated = invariantCalc((dAppTokensAmountA - tokensToPayA), (dAppTokensAmountB - tokensToPayB)) | |
327 | - | if ((getBooleanValue(this, "status") != true)) | |
328 | - | then throw("status: Unactive") | |
329 | - | else [IntegerEntry("amountTokenA", (dAppTokensAmountA - tokensToPayA)), IntegerEntry("amountTokenB", (dAppTokensAmountB - tokensToPayB)), IntegerEntry("share_token_supply", (tokenShareSupply - tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokensToPayA, assetIdTokenA), ScriptTransfer(contextObj.caller, tokensToPayB, assetIdTokenB), Burn(assetIdTokenShare, tokenReceiveAmount), IntegerEntry("invariant", invariantCalcualated)] | |
330 | - | } | |
331 | - | ||
332 | - | ||
333 | - | ||
334 | - | @Callable(contextObj) | |
335 | - | func exchanger (amountToSendEstimated,minTokenRecieveAmount) = { | |
336 | - | let amountTokenB = getIntegerValue(this, "amountTokenB") | |
337 | - | let amountTokenA = getIntegerValue(this, "amountTokenA") | |
175 | + | func exchanger (minTokenRecieve) = { | |
338 | 176 | let payment = value(contextObj.payments[0]) | |
339 | 177 | let assetIdReceived = payment.assetId | |
340 | 178 | let tokenReceiveAmount = payment.amount | |
341 | 179 | if ((getBooleanValue(this, "status") != true)) | |
342 | 180 | then throw("status: Unactive") | |
343 | 181 | else if ((assetIdReceived == assetIdTokenB)) | |
344 | 182 | then { | |
345 | - | let tokenSendAmountWithoutFee = | |
183 | + | let tokenSendAmountWithoutFee = fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB)) | |
346 | 184 | let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter) | |
347 | 185 | let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter) | |
348 | - | let assetIdSend = assetIdTokenA | |
349 | - | let newAmountTokenA = ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance) | |
350 | - | let newAmountTokenB = (amountTokenB + tokenReceiveAmount) | |
351 | - | let dAppThresholdAmount = fraction((dAppTokensAmountA + dAppTokensAmountB), dAppThreshold, (2 * dAppThresholdDelimiter)) | |
352 | - | if (if ((dAppThresholdAmount > newAmountTokenA)) | |
353 | - | then true | |
354 | - | else (dAppThresholdAmount > newAmountTokenB)) | |
355 | - | then throw("balance error: new dApp tokens amount less than dAppThresholdAmount") | |
356 | - | else [IntegerEntry("amountTokenA", newAmountTokenA), IntegerEntry("amountTokenB", newAmountTokenB), IntegerEntry("invariant", invariantCalc(((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance), (amountTokenB + tokenReceiveAmount))), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)] | |
186 | + | if ((minTokenRecieve > tokenSendAmountWithFee)) | |
187 | + | then throw("Price has changed dramatically. minTokenRecieve too large") | |
188 | + | else { | |
189 | + | let assetIdSend = assetIdTokenA | |
190 | + | [IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)] | |
191 | + | } | |
357 | 192 | } | |
358 | 193 | else if ((assetIdReceived == assetIdTokenA)) | |
359 | 194 | then { | |
360 | - | let tokenSendAmountWithoutFee = | |
195 | + | let tokenSendAmountWithoutFee = fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA)) | |
361 | 196 | let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter) | |
362 | 197 | let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter) | |
363 | - | let assetIdSend = assetIdTokenB | |
364 | - | let newAmountTokenA = (amountTokenA + tokenReceiveAmount) | |
365 | - | let newAmountTokenB = ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance) | |
366 | - | let dAppThresholdAmount = fraction((dAppTokensAmountA + dAppTokensAmountB), dAppThreshold, (2 * dAppThresholdDelimiter)) | |
367 | - | if (if ((dAppThresholdAmount > newAmountTokenA)) | |
368 | - | then true | |
369 | - | else (dAppThresholdAmount > newAmountTokenB)) | |
370 | - | then throw("balance error: new dApp tokens amount less than dAppThresholdAmount") | |
371 | - | else [IntegerEntry("amountTokenA", newAmountTokenA), IntegerEntry("amountTokenB", newAmountTokenB), IntegerEntry("invariant", invariantCalc((amountTokenA + tokenReceiveAmount), ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance))), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)] | |
198 | + | if ((minTokenRecieve > tokenSendAmountWithFee)) | |
199 | + | then throw("Price has changed dramatically. minTokenRecieve too large") | |
200 | + | else { | |
201 | + | let assetIdSend = assetIdTokenB | |
202 | + | [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)] | |
203 | + | } | |
372 | 204 | } | |
373 | 205 | else throw("Asset is not allowed") | |
374 | 206 | } | |
375 | 207 | ||
376 | 208 | ||
377 | 209 | ||
378 | 210 | @Callable(contextObj) | |
379 | 211 | func shutdown () = if (if (if ((contextObj.callerPublicKey == adminAddressPubKey1)) | |
380 | 212 | then true | |
381 | 213 | else (contextObj.callerPublicKey == adminAddressPubKey2)) | |
382 | 214 | then true | |
383 | 215 | else (contextObj.callerPublicKey == adminAddressPubKey3)) | |
384 | 216 | then [BooleanEntry("status", false)] | |
385 | 217 | else throw("only adminAddress can call this function") | |
386 | 218 | ||
387 | 219 | ||
388 | 220 | @Verifier(tx) | |
389 | 221 | func verify () = { | |
390 | 222 | let adminAddressPubKey1Signed = if (sigVerify(tx.bodyBytes, tx.proofs[0], adminAddressPubKey1)) | |
391 | 223 | then 1 | |
392 | 224 | else 0 | |
393 | 225 | let adminAddressPubKey2Signed = if (sigVerify(tx.bodyBytes, tx.proofs[1], adminAddressPubKey2)) | |
394 | 226 | then 1 | |
395 | 227 | else 0 | |
396 | 228 | let adminAddressPubKey3Signed = if (sigVerify(tx.bodyBytes, tx.proofs[2], adminAddressPubKey3)) | |
397 | 229 | then 1 | |
398 | 230 | else 0 | |
399 | 231 | (((adminAddressPubKey1Signed + adminAddressPubKey2Signed) + adminAddressPubKey3Signed) >= 2) | |
400 | 232 | } | |
401 | 233 |
github/deemru/w8io/6500d08 61.56 ms ◑