w8 · tx · Hzo···PV8

tx · HzoFrGixaASNTb4Zi4armBqWtr7acxAcYcpu9GfvGPV8

3MymToccYDK8vuwr1LMzxVp51X6WmsafFit:  -0.01400000 Waves

2020.10.27 23:05 [1239480] smart account 3MymToccYDK8vuwr1LMzxVp51X6WmsafFit > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "HzoFrGixaASNTb4Zi4armBqWtr7acxAcYcpu9GfvGPV8",
    "fee": 1400000,
    "feeAssetId": null,
    "timestamp": 1603829121115,
    "version": 1,
    "sender": "3MymToccYDK8vuwr1LMzxVp51X6WmsafFit",
    "senderPublicKey": "95zM5yLX9Tu2LveeQnFdr16kXErmdFxxv1zsy5BpUcc6",
    "proofs": [
        "3K6dVHLPtjxpixtuyaEBmDvgoZS9nU5WcyXHLyqdta2m48vK1DMUrAV3CD9Gp8Fd1GshUj36xKv5E5aBKCnqndt9"
    ],
    "script": 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YW5jZQUAAAALYXNzZXRJZFNlbmQFAAAAA25pbAkAAAIAAAABAgAAABRBc3NldCBpcyBub3QgYWxsb3dlZAAAAABa/TIb",
    "chainId": 84,
    "height": 1239480,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Diff: 
Old New Differences
1 1  {-# STDLIB_VERSION 4 #-}
2 2  {-# SCRIPT_TYPE ACCOUNT #-}
3 3  {-# CONTENT_TYPE DAPP #-}
4 + let governanceAddress = Address(base58'3MSNMcqyweiM9cWpvf4Fn8GAWeuPstxj2hK')
5 + 
4 6  let IdTokenA = getStringValue(this, "assetIdTokenA")
5 7  
6 8  let IdTokenB = getStringValue(this, "assetIdTokenB")
13 15  
14 16  let tokenShareSupply = getIntegerValue(this, "share_token_supply")
15 17  
16 - let comission = 500
18 + let comission = 300
19 + 
20 + let commisionGovernance = 200
17 21  
18 22  let comissionScaleDelimiter = 1000000
19 23  
20 24  let version = "1.0.0"
21 25  
26 + let scaleValue3 = 1000
27 + 
22 28  let scaleValue8 = 100000000
23 - 
24 - let ratioThresholdMax = 100000000
25 - 
26 - let ratioThresholdMin = 99999000
27 29  
28 30  let scaleValue8Digits = 8
29 31  
85 87                  case _ => 
86 88                      throw("Match error")
87 89              }
88 - [IntegerEntry("amountTokenA", tokenReceiveAmountA), IntegerEntry("amountTokenB", tokenReceiveAmountB), StringEntry("assetIdTokenA", assetIdTokenStringA), StringEntry("assetIdTokenB", assetIdTokenStringB), IntegerEntry("exchange_count", 0), BooleanEntry("status", true), IntegerEntry("comission", comission), IntegerEntry("comissionScaleDelimiter", comissionScaleDelimiter), StringEntry("version", version), Issue(shareTokenName, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)]
90 + [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, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)]
89 91              }
90 92      }
91 93  
92 94  
93 95  
94 96  @Callable(contextObj)
95 - func replenishment () = {
97 + func replenishmentWithTwoToken () = {
96 98      let paymentA = value(contextObj.payments[0])
97 99      let paymentB = value(contextObj.payments[1])
98 100      let assetIdReceivedA = paymentA.assetId
106 108          else (assetIdReceivedB != assetIdTokenB))
107 109          then throw("incorrect assets")
108 110          else {
109 -             let tokenRatio = (fraction(tokenReceiveAmountA, (1000000000000 * 100000), dAppTokensAmountA) / fraction(dAppTokensAmountB, 1000000000000, tokenReceiveAmountB))
110 -             if (!(if ((tokenRatio > 99990))
111 -                 then (100010 > tokenRatio)
112 -                 else false))
113 -                 then throw("incorrect assets amount")
111 +             let tokenRatio = (fraction(dAppTokensAmountA, (1000000000000 * scaleValue3), tokenReceiveAmountA) / fraction(dAppTokensAmountB, 1000000000000, tokenReceiveAmountB))
112 +             if (!((tokenRatio == scaleValue3)))
113 +                 then throw("incorrect assets amount: amounts must have the contract ratio")
114 114                  else {
115 115                      let shareTokenToPayAmount = fraction(tokenReceiveAmountA, tokenShareSupply, dAppTokensAmountA)
116 116                      if ((shareTokenToPayAmount == 0))
162 162          else {
163 163              let tokensToPayA = fraction(tokenReceiveAmount, dAppTokensAmountA, tokenShareSupply)
164 164              let tokensToPayB = fraction(tokenReceiveAmount, dAppTokensAmountB, tokenShareSupply)
165 - [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)]
165 +             if ((getBooleanValue(this, "status") != true))
166 +                 then throw("status: Unactive")
167 +                 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)]
166 168              }
167 169      }
168 170  
173 175      let payment = value(contextObj.payments[0])
174 176      let assetIdReceived = payment.assetId
175 177      let tokenReceiveAmount = payment.amount
176 -     let count = value(getInteger(this, "exchange_count"))
177 -     if ((assetIdReceived == assetIdTokenB))
178 -         then {
179 -             let tokenSendAmount = ((fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB)) * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter)
180 -             if ((minTokenRecieve > tokenSendAmount))
181 -                 then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
182 -                 else {
183 -                     let assetIdSent = assetIdTokenA
184 - [IntegerEntry("amountTokenA", (amountTokenA - tokenSendAmount)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmount, assetIdSent)]
185 -                     }
186 -             }
187 -         else if ((assetIdReceived == assetIdTokenA))
178 +     if ((getBooleanValue(this, "status") != true))
179 +         then throw("status: Unactive")
180 +         else if ((assetIdReceived == assetIdTokenB))
188 181              then {
189 -                 let tokenSendAmount = ((fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA)) * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter)
190 -                 if ((minTokenRecieve > tokenSendAmount))
182 +                 let tokenSendAmountWithoutFee = fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB))
183 +                 let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
184 +                 let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
185 +                 if ((minTokenRecieve > tokenSendAmountWithFee))
191 186                      then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
192 187                      else {
193 -                         let assetIdSent = assetIdTokenB
194 - [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", (amountTokenB - tokenSendAmount)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmount, assetIdSent)]
188 +                         let assetIdSend = assetIdTokenA
189 + [IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
195 190                          }
196 191                  }
197 -             else throw("Asset is not allowed")
192 +             else if ((assetIdReceived == assetIdTokenA))
193 +                 then {
194 +                     let tokenSendAmountWithoutFee = fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA))
195 +                     let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
196 +                     let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
197 +                     if ((minTokenRecieve > tokenSendAmountWithFee))
198 +                         then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
199 +                         else {
200 +                             let assetIdSend = assetIdTokenB
201 + [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
202 +                             }
203 +                     }
204 +                 else throw("Asset is not allowed")
198 205      }
199 206  
200 207  
Full: 
Old New Differences
1 1  {-# STDLIB_VERSION 4 #-}
2 2  {-# SCRIPT_TYPE ACCOUNT #-}
3 3  {-# CONTENT_TYPE DAPP #-}
4 + let governanceAddress = Address(base58'3MSNMcqyweiM9cWpvf4Fn8GAWeuPstxj2hK')
5 + 
4 6  let IdTokenA = getStringValue(this, "assetIdTokenA")
5 7  
6 8  let IdTokenB = getStringValue(this, "assetIdTokenB")
7 9  
8 10  let amountTokenB = getIntegerValue(this, "amountTokenB")
9 11  
10 12  let amountTokenA = getIntegerValue(this, "amountTokenA")
11 13  
12 14  let IdTokenShare = getStringValue(this, "share_token_id")
13 15  
14 16  let tokenShareSupply = getIntegerValue(this, "share_token_supply")
15 17  
16 - let comission = 500
18 + let comission = 300
19 + 
20 + let commisionGovernance = 200
17 21  
18 22  let comissionScaleDelimiter = 1000000
19 23  
20 24  let version = "1.0.0"
21 25  
26 + let scaleValue3 = 1000
27 + 
22 28  let scaleValue8 = 100000000
23 - 
24 - let ratioThresholdMax = 100000000
25 - 
26 - let ratioThresholdMin = 99999000
27 29  
28 30  let scaleValue8Digits = 8
29 31  
30 32  func assetId (asset) = if ((asset == "WAVES"))
31 33      then unit
32 34      else fromBase58String(asset)
33 35  
34 36  
35 37  let assetIdTokenA = assetId(IdTokenA)
36 38  
37 39  let assetIdTokenB = assetId(IdTokenB)
38 40  
39 41  let assetIdTokenShare = fromBase58String(IdTokenShare)
40 42  
41 43  @Callable(contextObj)
42 44  func fund () = {
43 45      let paymentA = value(contextObj.payments[0])
44 46      let paymentB = value(contextObj.payments[1])
45 47      let assetIdReceivedA = paymentA.assetId
46 48      let tokenReceiveAmountA = paymentA.amount
47 49      let assetIdReceivedB = paymentB.assetId
48 50      let tokenReceiveAmountB = paymentB.amount
49 51      let digitTokenA =     match assetIdReceivedA {
50 52          case p: Unit => 
51 53              8
52 54          case p: ByteVector => 
53 55              value(assetInfo(p)).decimals
54 56          case _ => 
55 57              throw("Match error")
56 58      }
57 59      let digitTokenB =     match assetIdReceivedB {
58 60          case p: Unit => 
59 61              8
60 62          case p: ByteVector => 
61 63              value(assetInfo(p)).decimals
62 64          case _ => 
63 65              throw("Match error")
64 66      }
65 67      if (isDefined(getBoolean(this, "status")))
66 68          then throw("already active")
67 69          else {
68 70              let shareTokenName = ("ShareT_" + takeRight(toString(this), 5))
69 71              let digitsInShareToken = ((digitTokenA + digitTokenB) / 2)
70 72              let shareTokenInitialAmount = fraction(pow(tokenReceiveAmountA, digitTokenA, 5, 1, digitTokenA, HALFDOWN), pow(tokenReceiveAmountB, digitTokenB, 5, 1, digitTokenB, HALFDOWN), pow(10, 0, digitsInShareToken, 0, 0, HALFDOWN))
71 73              let shareTokenAssetId = calculateAssetId(Issue(shareTokenName, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true))
72 74              let assetIdTokenStringA =             match assetIdReceivedA {
73 75                  case t: Unit => 
74 76                      "WAVES"
75 77                  case t: ByteVector => 
76 78                      toBase58String(value(assetIdReceivedA))
77 79                  case _ => 
78 80                      throw("Match error")
79 81              }
80 82              let assetIdTokenStringB =             match assetIdReceivedB {
81 83                  case t: Unit => 
82 84                      "WAVES"
83 85                  case t: ByteVector => 
84 86                      toBase58String(value(assetIdReceivedB))
85 87                  case _ => 
86 88                      throw("Match error")
87 89              }
88 - [IntegerEntry("amountTokenA", tokenReceiveAmountA), IntegerEntry("amountTokenB", tokenReceiveAmountB), StringEntry("assetIdTokenA", assetIdTokenStringA), StringEntry("assetIdTokenB", assetIdTokenStringB), IntegerEntry("exchange_count", 0), BooleanEntry("status", true), IntegerEntry("comission", comission), IntegerEntry("comissionScaleDelimiter", comissionScaleDelimiter), StringEntry("version", version), Issue(shareTokenName, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)]
90 + [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, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)]
89 91              }
90 92      }
91 93  
92 94  
93 95  
94 96  @Callable(contextObj)
95 - func replenishment () = {
97 + func replenishmentWithTwoToken () = {
96 98      let paymentA = value(contextObj.payments[0])
97 99      let paymentB = value(contextObj.payments[1])
98 100      let assetIdReceivedA = paymentA.assetId
99 101      let tokenReceiveAmountA = paymentA.amount
100 102      let assetIdReceivedB = paymentB.assetId
101 103      let tokenReceiveAmountB = paymentB.amount
102 104      let dAppTokensAmountA = getIntegerValue(this, "amountTokenA")
103 105      let dAppTokensAmountB = getIntegerValue(this, "amountTokenB")
104 106      if (if ((assetIdReceivedA != assetIdTokenA))
105 107          then true
106 108          else (assetIdReceivedB != assetIdTokenB))
107 109          then throw("incorrect assets")
108 110          else {
109 -             let tokenRatio = (fraction(tokenReceiveAmountA, (1000000000000 * 100000), dAppTokensAmountA) / fraction(dAppTokensAmountB, 1000000000000, tokenReceiveAmountB))
110 -             if (!(if ((tokenRatio > 99990))
111 -                 then (100010 > tokenRatio)
112 -                 else false))
113 -                 then throw("incorrect assets amount")
111 +             let tokenRatio = (fraction(dAppTokensAmountA, (1000000000000 * scaleValue3), tokenReceiveAmountA) / fraction(dAppTokensAmountB, 1000000000000, tokenReceiveAmountB))
112 +             if (!((tokenRatio == scaleValue3)))
113 +                 then throw("incorrect assets amount: amounts must have the contract ratio")
114 114                  else {
115 115                      let shareTokenToPayAmount = fraction(tokenReceiveAmountA, tokenShareSupply, dAppTokensAmountA)
116 116                      if ((shareTokenToPayAmount == 0))
117 117                          then throw("you try replansish with very small amount")
118 118                          else [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", (dAppTokensAmountA + tokenReceiveAmountA)), IntegerEntry("amountTokenB", (dAppTokensAmountB + tokenReceiveAmountB))]
119 119                      }
120 120              }
121 121      }
122 122  
123 123  
124 124  
125 125  @Callable(contextObj)
126 126  func replanishmentWithOneToken () = {
127 127      let payment = value(contextObj.payments[0])
128 128      let assetIdReceived = payment.assetId
129 129      let tokenReceiveAmount = payment.amount
130 130      if ((assetIdReceived == assetIdTokenA))
131 131          then {
132 132              let newAmountTokenA = (amountTokenA + tokenReceiveAmount)
133 133              let priceAtoBwith8digits = fraction(newAmountTokenA, scaleValue8, amountTokenB)
134 134              let tokenAmountBNewPriceOldInvariant = pow(fraction(amountTokenA, amountTokenB, priceAtoBwith8digits), 0, 5, 1, 0, HALFDOWN)
135 135              let newTokenShareSupply = fraction(amountTokenB, tokenShareSupply, tokenAmountBNewPriceOldInvariant)
136 136              let shareTokenToPayAmount = (newTokenShareSupply - tokenShareSupply)
137 137  [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", newAmountTokenA)]
138 138              }
139 139          else if ((assetIdReceived == assetIdTokenB))
140 140              then {
141 141                  let newAmountTokenB = (amountTokenB + tokenReceiveAmount)
142 142                  let priceAtoBwith8digits = fraction(amountTokenA, scaleValue8, newAmountTokenB)
143 143                  let tokenAmountBNewPriceOldInvariant = pow(fraction(amountTokenA, amountTokenB, priceAtoBwith8digits), 0, 5, 1, 0, HALFDOWN)
144 144                  let newTokenShareSupply = fraction(amountTokenB, tokenShareSupply, tokenAmountBNewPriceOldInvariant)
145 145                  let shareTokenToPayAmount = (newTokenShareSupply - tokenShareSupply)
146 146  [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenB", newAmountTokenB)]
147 147                  }
148 148              else throw("incorrect assets in payment")
149 149      }
150 150  
151 151  
152 152  
153 153  @Callable(contextObj)
154 154  func withdraw () = {
155 155      let dAppTokensAmountA = getIntegerValue(this, "amountTokenA")
156 156      let dAppTokensAmountB = getIntegerValue(this, "amountTokenB")
157 157      let payment = value(contextObj.payments[0])
158 158      let assetIdReceived = payment.assetId
159 159      let tokenReceiveAmount = payment.amount
160 160      if ((assetIdTokenShare != assetIdReceived))
161 161          then throw(("you need to attach share token for this dApp " + toBase58String(assetIdTokenShare)))
162 162          else {
163 163              let tokensToPayA = fraction(tokenReceiveAmount, dAppTokensAmountA, tokenShareSupply)
164 164              let tokensToPayB = fraction(tokenReceiveAmount, dAppTokensAmountB, tokenShareSupply)
165 - [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)]
165 +             if ((getBooleanValue(this, "status") != true))
166 +                 then throw("status: Unactive")
167 +                 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)]
166 168              }
167 169      }
168 170  
169 171  
170 172  
171 173  @Callable(contextObj)
172 174  func exchanger (minTokenRecieve) = {
173 175      let payment = value(contextObj.payments[0])
174 176      let assetIdReceived = payment.assetId
175 177      let tokenReceiveAmount = payment.amount
176 -     let count = value(getInteger(this, "exchange_count"))
177 -     if ((assetIdReceived == assetIdTokenB))
178 -         then {
179 -             let tokenSendAmount = ((fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB)) * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter)
180 -             if ((minTokenRecieve > tokenSendAmount))
181 -                 then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
182 -                 else {
183 -                     let assetIdSent = assetIdTokenA
184 - [IntegerEntry("amountTokenA", (amountTokenA - tokenSendAmount)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmount, assetIdSent)]
185 -                     }
186 -             }
187 -         else if ((assetIdReceived == assetIdTokenA))
178 +     if ((getBooleanValue(this, "status") != true))
179 +         then throw("status: Unactive")
180 +         else if ((assetIdReceived == assetIdTokenB))
188 181              then {
189 -                 let tokenSendAmount = ((fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA)) * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter)
190 -                 if ((minTokenRecieve > tokenSendAmount))
182 +                 let tokenSendAmountWithoutFee = fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB))
183 +                 let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
184 +                 let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
185 +                 if ((minTokenRecieve > tokenSendAmountWithFee))
191 186                      then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
192 187                      else {
193 -                         let assetIdSent = assetIdTokenB
194 - [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", (amountTokenB - tokenSendAmount)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmount, assetIdSent)]
188 +                         let assetIdSend = assetIdTokenA
189 + [IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
195 190                          }
196 191                  }
197 -             else throw("Asset is not allowed")
192 +             else if ((assetIdReceived == assetIdTokenA))
193 +                 then {
194 +                     let tokenSendAmountWithoutFee = fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA))
195 +                     let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
196 +                     let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
197 +                     if ((minTokenRecieve > tokenSendAmountWithFee))
198 +                         then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
199 +                         else {
200 +                             let assetIdSend = assetIdTokenB
201 + [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
202 +                             }
203 +                     }
204 +                 else throw("Asset is not allowed")
198 205      }
199 206  
200 207

Old	New		Differences
1	1		{-# STDLIB_VERSION 4 #-}
2	2		{-# SCRIPT_TYPE ACCOUNT #-}
3	3		{-# CONTENT_TYPE DAPP #-}
	4	+	let governanceAddress = Address(base58'3MSNMcqyweiM9cWpvf4Fn8GAWeuPstxj2hK')
	5	+
4	6		let IdTokenA = getStringValue(this, "assetIdTokenA")
5	7
6	8		let IdTokenB = getStringValue(this, "assetIdTokenB")

13	15
14	16		let tokenShareSupply = getIntegerValue(this, "share_token_supply")
15	17
16		-	let comission = 500
	18	+	let comission = 300
	19	+
	20	+	let commisionGovernance = 200
17	21
18	22		let comissionScaleDelimiter = 1000000
19	23
20	24		let version = "1.0.0"
21	25
	26	+	let scaleValue3 = 1000
	27	+
22	28		let scaleValue8 = 100000000
23		-
24		-	let ratioThresholdMax = 100000000
25		-
26		-	let ratioThresholdMin = 99999000
27	29
28	30		let scaleValue8Digits = 8
29	31

85	87		case _ =>
86	88		throw("Match error")
87	89		}
88		-	[IntegerEntry("amountTokenA", tokenReceiveAmountA), IntegerEntry("amountTokenB", tokenReceiveAmountB), StringEntry("assetIdTokenA", assetIdTokenStringA), StringEntry("assetIdTokenB", assetIdTokenStringB~~), IntegerEntry("exchange_count", 0~~), BooleanEntry("status", true), IntegerEntry("comission", comission), IntegerEntry("comissionScaleDelimiter", comissionScaleDelimiter), StringEntry("version", version), Issue(shareTokenName, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)]
	90	+	[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, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)]
89	91		}
90	92		}
91	93
92	94
93	95
94	96		@Callable(contextObj)
95		-	func ~~replenishment~~ () = {
	97	+	func replenishmentWithTwoToken () = {
96	98		let paymentA = value(contextObj.payments[0])
97	99		let paymentB = value(contextObj.payments[1])
98	100		let assetIdReceivedA = paymentA.assetId

106	108		else (assetIdReceivedB != assetIdTokenB))
107	109		then throw("incorrect assets")
108	110		else {
109		-	let tokenRatio = (fraction(tokenReceiveAmountA, (1000000000000 * 100000), dAppTokensAmountA) / fraction(dAppTokensAmountB, 1000000000000, tokenReceiveAmountB))
110		-	if (!(if ((tokenRatio > 99990))
111		-	then (100010 > tokenRatio)
112		-	else false))
113		-	then throw("incorrect assets amount")
	111	+	let tokenRatio = (fraction(dAppTokensAmountA, (1000000000000 * scaleValue3), tokenReceiveAmountA) / fraction(dAppTokensAmountB, 1000000000000, tokenReceiveAmountB))
	112	+	if (!((tokenRatio == scaleValue3)))
	113	+	then throw("incorrect assets amount: amounts must have the contract ratio")
114	114		else {
115	115		let shareTokenToPayAmount = fraction(tokenReceiveAmountA, tokenShareSupply, dAppTokensAmountA)
116	116		if ((shareTokenToPayAmount == 0))

162	162		else {
163	163		let tokensToPayA = fraction(tokenReceiveAmount, dAppTokensAmountA, tokenShareSupply)
164	164		let tokensToPayB = fraction(tokenReceiveAmount, dAppTokensAmountB, tokenShareSupply)
165		-	[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)]
	165	+	if ((getBooleanValue(this, "status") != true))
	166	+	then throw("status: Unactive")
	167	+	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)]
166	168		}
167	169		}
168	170

173	175		let payment = value(contextObj.payments[0])
174	176		let assetIdReceived = payment.assetId
175	177		let tokenReceiveAmount = payment.amount
176		-	let count = value(getInteger(this, "exchange_count"))
177		-	if ((assetIdReceived == assetIdTokenB))
178		-	then {
179		-	let tokenSendAmount = ((fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB)) * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter)
180		-	if ((minTokenRecieve > tokenSendAmount))
181		-	then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
182		-	else {
183		-	let assetIdSent = assetIdTokenA
184		-	[IntegerEntry("amountTokenA", (amountTokenA - tokenSendAmount)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmount, assetIdSent)]
185		-	}
186		-	}
187		-	else if ((assetIdReceived == assetIdTokenA))
	178	+	if ((getBooleanValue(this, "status") != true))
	179	+	then throw("status: Unactive")
	180	+	else if ((assetIdReceived == assetIdTokenB))
188	181		then {
189		-	let tokenSendAmount = ((fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA)) * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter)
190		-	if ((minTokenRecieve > tokenSendAmount))
	182	+	let tokenSendAmountWithoutFee = fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB))
	183	+	let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
	184	+	let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
	185	+	if ((minTokenRecieve > tokenSendAmountWithFee))
191	186		then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
192	187		else {
193		-	let ~~assetIdSent~~ = ~~assetIdTokenB~~
194		-	[IntegerEntry("amountTokenA", (amountTokenA ~~+ tokenReceiveAmount~~)), IntegerEntry("amountTokenB", (amountTokenB ~~- tokenSendAmount)), IntegerEntry("exchange_count", (count~~ + 1)), ScriptTransfer(contextObj.caller, ~~tokenSendAmount~~, ~~assetIdSent~~)]
	188	+	let assetIdSend = assetIdTokenA
	189	+	[IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
195	190		}
196	191		}
197		-	else throw("Asset is not allowed")
	192	+	else if ((assetIdReceived == assetIdTokenA))
	193	+	then {
	194	+	let tokenSendAmountWithoutFee = fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA))
	195	+	let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
	196	+	let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
	197	+	if ((minTokenRecieve > tokenSendAmountWithFee))
	198	+	then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
	199	+	else {
	200	+	let assetIdSend = assetIdTokenB
	201	+	[IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
	202	+	}
	203	+	}
	204	+	else throw("Asset is not allowed")
198	205		}
199	206
200	207

Old	New		Differences
1	1		{-# STDLIB_VERSION 4 #-}
2	2		{-# SCRIPT_TYPE ACCOUNT #-}
3	3		{-# CONTENT_TYPE DAPP #-}
	4	+	let governanceAddress = Address(base58'3MSNMcqyweiM9cWpvf4Fn8GAWeuPstxj2hK')
	5	+
4	6		let IdTokenA = getStringValue(this, "assetIdTokenA")
5	7
6	8		let IdTokenB = getStringValue(this, "assetIdTokenB")
7	9
8	10		let amountTokenB = getIntegerValue(this, "amountTokenB")
9	11
10	12		let amountTokenA = getIntegerValue(this, "amountTokenA")
11	13
12	14		let IdTokenShare = getStringValue(this, "share_token_id")
13	15
14	16		let tokenShareSupply = getIntegerValue(this, "share_token_supply")
15	17
16		-	let comission = 500
	18	+	let comission = 300
	19	+
	20	+	let commisionGovernance = 200
17	21
18	22		let comissionScaleDelimiter = 1000000
19	23
20	24		let version = "1.0.0"
21	25
	26	+	let scaleValue3 = 1000
	27	+
22	28		let scaleValue8 = 100000000
23		-
24		-	let ratioThresholdMax = 100000000
25		-
26		-	let ratioThresholdMin = 99999000
27	29
28	30		let scaleValue8Digits = 8
29	31
30	32		func assetId (asset) = if ((asset == "WAVES"))
31	33		then unit
32	34		else fromBase58String(asset)
33	35
34	36
35	37		let assetIdTokenA = assetId(IdTokenA)
36	38
37	39		let assetIdTokenB = assetId(IdTokenB)
38	40
39	41		let assetIdTokenShare = fromBase58String(IdTokenShare)
40	42
41	43		@Callable(contextObj)
42	44		func fund () = {
43	45		let paymentA = value(contextObj.payments[0])
44	46		let paymentB = value(contextObj.payments[1])
45	47		let assetIdReceivedA = paymentA.assetId
46	48		let tokenReceiveAmountA = paymentA.amount
47	49		let assetIdReceivedB = paymentB.assetId
48	50		let tokenReceiveAmountB = paymentB.amount
49	51		let digitTokenA = match assetIdReceivedA {
50	52		case p: Unit =>
51	53		8
52	54		case p: ByteVector =>
53	55		value(assetInfo(p)).decimals
54	56		case _ =>
55	57		throw("Match error")
56	58		}
57	59		let digitTokenB = match assetIdReceivedB {
58	60		case p: Unit =>
59	61		8
60	62		case p: ByteVector =>
61	63		value(assetInfo(p)).decimals
62	64		case _ =>
63	65		throw("Match error")
64	66		}
65	67		if (isDefined(getBoolean(this, "status")))
66	68		then throw("already active")
67	69		else {
68	70		let shareTokenName = ("ShareT_" + takeRight(toString(this), 5))
69	71		let digitsInShareToken = ((digitTokenA + digitTokenB) / 2)
70	72		let shareTokenInitialAmount = fraction(pow(tokenReceiveAmountA, digitTokenA, 5, 1, digitTokenA, HALFDOWN), pow(tokenReceiveAmountB, digitTokenB, 5, 1, digitTokenB, HALFDOWN), pow(10, 0, digitsInShareToken, 0, 0, HALFDOWN))
71	73		let shareTokenAssetId = calculateAssetId(Issue(shareTokenName, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true))
72	74		let assetIdTokenStringA = match assetIdReceivedA {
73	75		case t: Unit =>
74	76		"WAVES"
75	77		case t: ByteVector =>
76	78		toBase58String(value(assetIdReceivedA))
77	79		case _ =>
78	80		throw("Match error")
79	81		}
80	82		let assetIdTokenStringB = match assetIdReceivedB {
81	83		case t: Unit =>
82	84		"WAVES"
83	85		case t: ByteVector =>
84	86		toBase58String(value(assetIdReceivedB))
85	87		case _ =>
86	88		throw("Match error")
87	89		}
88		-	[IntegerEntry("amountTokenA", tokenReceiveAmountA), IntegerEntry("amountTokenB", tokenReceiveAmountB), StringEntry("assetIdTokenA", assetIdTokenStringA), StringEntry("assetIdTokenB", assetIdTokenStringB~~), IntegerEntry("exchange_count", 0~~), BooleanEntry("status", true), IntegerEntry("comission", comission), IntegerEntry("comissionScaleDelimiter", comissionScaleDelimiter), StringEntry("version", version), Issue(shareTokenName, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)]
	90	+	[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, shareTokenName, shareTokenInitialAmount, digitsInShareToken, true), ScriptTransfer(contextObj.caller, shareTokenInitialAmount, shareTokenAssetId), StringEntry("share_token_id", toBase58String(shareTokenAssetId)), IntegerEntry("share_token_supply", shareTokenInitialAmount)]
89	91		}
90	92		}
91	93
92	94
93	95
94	96		@Callable(contextObj)
95		-	func ~~replenishment~~ () = {
	97	+	func replenishmentWithTwoToken () = {
96	98		let paymentA = value(contextObj.payments[0])
97	99		let paymentB = value(contextObj.payments[1])
98	100		let assetIdReceivedA = paymentA.assetId
99	101		let tokenReceiveAmountA = paymentA.amount
100	102		let assetIdReceivedB = paymentB.assetId
101	103		let tokenReceiveAmountB = paymentB.amount
102	104		let dAppTokensAmountA = getIntegerValue(this, "amountTokenA")
103	105		let dAppTokensAmountB = getIntegerValue(this, "amountTokenB")
104	106		if (if ((assetIdReceivedA != assetIdTokenA))
105	107		then true
106	108		else (assetIdReceivedB != assetIdTokenB))
107	109		then throw("incorrect assets")
108	110		else {
109		-	let tokenRatio = (fraction(tokenReceiveAmountA, (1000000000000 * 100000), dAppTokensAmountA) / fraction(dAppTokensAmountB, 1000000000000, tokenReceiveAmountB))
110		-	if (!(if ((tokenRatio > 99990))
111		-	then (100010 > tokenRatio)
112		-	else false))
113		-	then throw("incorrect assets amount")
	111	+	let tokenRatio = (fraction(dAppTokensAmountA, (1000000000000 * scaleValue3), tokenReceiveAmountA) / fraction(dAppTokensAmountB, 1000000000000, tokenReceiveAmountB))
	112	+	if (!((tokenRatio == scaleValue3)))
	113	+	then throw("incorrect assets amount: amounts must have the contract ratio")
114	114		else {
115	115		let shareTokenToPayAmount = fraction(tokenReceiveAmountA, tokenShareSupply, dAppTokensAmountA)
116	116		if ((shareTokenToPayAmount == 0))
117	117		then throw("you try replansish with very small amount")
118	118		else [Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", (dAppTokensAmountA + tokenReceiveAmountA)), IntegerEntry("amountTokenB", (dAppTokensAmountB + tokenReceiveAmountB))]
119	119		}
120	120		}
121	121		}
122	122
123	123
124	124
125	125		@Callable(contextObj)
126	126		func replanishmentWithOneToken () = {
127	127		let payment = value(contextObj.payments[0])
128	128		let assetIdReceived = payment.assetId
129	129		let tokenReceiveAmount = payment.amount
130	130		if ((assetIdReceived == assetIdTokenA))
131	131		then {
132	132		let newAmountTokenA = (amountTokenA + tokenReceiveAmount)
133	133		let priceAtoBwith8digits = fraction(newAmountTokenA, scaleValue8, amountTokenB)
134	134		let tokenAmountBNewPriceOldInvariant = pow(fraction(amountTokenA, amountTokenB, priceAtoBwith8digits), 0, 5, 1, 0, HALFDOWN)
135	135		let newTokenShareSupply = fraction(amountTokenB, tokenShareSupply, tokenAmountBNewPriceOldInvariant)
136	136		let shareTokenToPayAmount = (newTokenShareSupply - tokenShareSupply)
137	137		[Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenA", newAmountTokenA)]
138	138		}
139	139		else if ((assetIdReceived == assetIdTokenB))
140	140		then {
141	141		let newAmountTokenB = (amountTokenB + tokenReceiveAmount)
142	142		let priceAtoBwith8digits = fraction(amountTokenA, scaleValue8, newAmountTokenB)
143	143		let tokenAmountBNewPriceOldInvariant = pow(fraction(amountTokenA, amountTokenB, priceAtoBwith8digits), 0, 5, 1, 0, HALFDOWN)
144	144		let newTokenShareSupply = fraction(amountTokenB, tokenShareSupply, tokenAmountBNewPriceOldInvariant)
145	145		let shareTokenToPayAmount = (newTokenShareSupply - tokenShareSupply)
146	146		[Reissue(assetIdTokenShare, shareTokenToPayAmount, true), ScriptTransfer(contextObj.caller, shareTokenToPayAmount, assetIdTokenShare), IntegerEntry("share_token_supply", (tokenShareSupply + shareTokenToPayAmount)), IntegerEntry("amountTokenB", newAmountTokenB)]
147	147		}
148	148		else throw("incorrect assets in payment")
149	149		}
150	150
151	151
152	152
153	153		@Callable(contextObj)
154	154		func withdraw () = {
155	155		let dAppTokensAmountA = getIntegerValue(this, "amountTokenA")
156	156		let dAppTokensAmountB = getIntegerValue(this, "amountTokenB")
157	157		let payment = value(contextObj.payments[0])
158	158		let assetIdReceived = payment.assetId
159	159		let tokenReceiveAmount = payment.amount
160	160		if ((assetIdTokenShare != assetIdReceived))
161	161		then throw(("you need to attach share token for this dApp " + toBase58String(assetIdTokenShare)))
162	162		else {
163	163		let tokensToPayA = fraction(tokenReceiveAmount, dAppTokensAmountA, tokenShareSupply)
164	164		let tokensToPayB = fraction(tokenReceiveAmount, dAppTokensAmountB, tokenShareSupply)
165		-	[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)]
	165	+	if ((getBooleanValue(this, "status") != true))
	166	+	then throw("status: Unactive")
	167	+	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)]
166	168		}
167	169		}
168	170
169	171
170	172
171	173		@Callable(contextObj)
172	174		func exchanger (minTokenRecieve) = {
173	175		let payment = value(contextObj.payments[0])
174	176		let assetIdReceived = payment.assetId
175	177		let tokenReceiveAmount = payment.amount
176		-	let count = value(getInteger(this, "exchange_count"))
177		-	if ((assetIdReceived == assetIdTokenB))
178		-	then {
179		-	let tokenSendAmount = ((fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB)) * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter)
180		-	if ((minTokenRecieve > tokenSendAmount))
181		-	then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
182		-	else {
183		-	let assetIdSent = assetIdTokenA
184		-	[IntegerEntry("amountTokenA", (amountTokenA - tokenSendAmount)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmount, assetIdSent)]
185		-	}
186		-	}
187		-	else if ((assetIdReceived == assetIdTokenA))
	178	+	if ((getBooleanValue(this, "status") != true))
	179	+	then throw("status: Unactive")
	180	+	else if ((assetIdReceived == assetIdTokenB))
188	181		then {
189		-	let tokenSendAmount = ((fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA)) * (comissionScaleDelimiter - comission)) / comissionScaleDelimiter)
190		-	if ((minTokenRecieve > tokenSendAmount))
	182	+	let tokenSendAmountWithoutFee = fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB))
	183	+	let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
	184	+	let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
	185	+	if ((minTokenRecieve > tokenSendAmountWithFee))
191	186		then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
192	187		else {
193		-	let ~~assetIdSent~~ = ~~assetIdTokenB~~
194		-	[IntegerEntry("amountTokenA", (amountTokenA ~~+ tokenReceiveAmount~~)), IntegerEntry("amountTokenB", (amountTokenB ~~- tokenSendAmount)), IntegerEntry("exchange_count", (count~~ + 1)), ScriptTransfer(contextObj.caller, ~~tokenSendAmount~~, ~~assetIdSent~~)]
	188	+	let assetIdSend = assetIdTokenA
	189	+	[IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
195	190		}
196	191		}
197		-	else throw("Asset is not allowed")
	192	+	else if ((assetIdReceived == assetIdTokenA))
	193	+	then {
	194	+	let tokenSendAmountWithoutFee = fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA))
	195	+	let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
	196	+	let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
	197	+	if ((minTokenRecieve > tokenSendAmountWithFee))
	198	+	then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
	199	+	else {
	200	+	let assetIdSend = assetIdTokenB
	201	+	[IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
	202	+	}
	203	+	}
	204	+	else throw("Asset is not allowed")
198	205		}
199	206
200	207

github/deemru/w8io/026f985 
45.41 ms ◑