w8 · tx · crw···tA3

tx · crwZWnMczdDtwGxREDo21QJeqwCn9w1iffmL8T2MtA3

3N6RmPRrsF5PPv48u6RPC64RuW3EyQGgNhd:  -0.01400000 Waves

2020.10.27 23:06 [1239481] smart account 3N6RmPRrsF5PPv48u6RPC64RuW3EyQGgNhd > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "crwZWnMczdDtwGxREDo21QJeqwCn9w1iffmL8T2MtA3",
    "fee": 1400000,
    "feeAssetId": null,
    "timestamp": 1603829200209,
    "version": 1,
    "sender": "3N6RmPRrsF5PPv48u6RPC64RuW3EyQGgNhd",
    "senderPublicKey": "DNQoUXh3GQY7nCmzoysqo88Q77U2EyQsG7WLyEmWyCYs",
    "proofs": [
        "Um34ummMTAZFAeG6BWBb1YQtGN2Fd6w7jMs9ip6GqyNZo42bYQVMJ7mMY6onLYqtuxjXHgD3DiHtJw1u9hfn7Hd"
    ],
    "script": 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",
    "chainId": 84,
    "height": 1239481,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Diff: 
Old New Differences
22 22  let comissionScaleDelimiter = 1000000
23 23  
24 24  let version = "1.0.0"
25 + 
26 + let scaleValue3 = 1000
25 27  
26 28  let scaleValue8 = 100000000
27 29  
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))
175 175      let payment = value(contextObj.payments[0])
176 176      let assetIdReceived = payment.assetId
177 177      let tokenReceiveAmount = payment.amount
178 -     let count = value(getInteger(this, "exchange_count"))
179 178      if ((getBooleanValue(this, "status") != true))
180 179          then throw("status: Unactive")
181 180          else if ((assetIdReceived == assetIdTokenB))
187 186                      then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
188 187                      else {
189 188                          let assetIdSend = assetIdTokenA
190 - [IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
189 + [IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
191 190                          }
192 191                  }
193 192              else if ((assetIdReceived == assetIdTokenA))
199 198                          then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
200 199                          else {
201 200                              let assetIdSend = assetIdTokenB
202 - [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
201 + [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
203 202                              }
204 203                      }
205 204                  else throw("Asset is not allowed")
Full: 
Old New Differences
1 1  {-# STDLIB_VERSION 4 #-}
2 2  {-# SCRIPT_TYPE ACCOUNT #-}
3 3  {-# CONTENT_TYPE DAPP #-}
4 4  let governanceAddress = Address(base58'3MSNMcqyweiM9cWpvf4Fn8GAWeuPstxj2hK')
5 5  
6 6  let IdTokenA = getStringValue(this, "assetIdTokenA")
7 7  
8 8  let IdTokenB = getStringValue(this, "assetIdTokenB")
9 9  
10 10  let amountTokenB = getIntegerValue(this, "amountTokenB")
11 11  
12 12  let amountTokenA = getIntegerValue(this, "amountTokenA")
13 13  
14 14  let IdTokenShare = getStringValue(this, "share_token_id")
15 15  
16 16  let tokenShareSupply = getIntegerValue(this, "share_token_supply")
17 17  
18 18  let comission = 300
19 19  
20 20  let commisionGovernance = 200
21 21  
22 22  let comissionScaleDelimiter = 1000000
23 23  
24 24  let version = "1.0.0"
25 + 
26 + let scaleValue3 = 1000
25 27  
26 28  let scaleValue8 = 100000000
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)
165 165              if ((getBooleanValue(this, "status") != true))
166 166                  then throw("status: Unactive")
167 167                  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)]
168 168              }
169 169      }
170 170  
171 171  
172 172  
173 173  @Callable(contextObj)
174 174  func exchanger (minTokenRecieve) = {
175 175      let payment = value(contextObj.payments[0])
176 176      let assetIdReceived = payment.assetId
177 177      let tokenReceiveAmount = payment.amount
178 -     let count = value(getInteger(this, "exchange_count"))
179 178      if ((getBooleanValue(this, "status") != true))
180 179          then throw("status: Unactive")
181 180          else if ((assetIdReceived == assetIdTokenB))
182 181              then {
183 182                  let tokenSendAmountWithoutFee = fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB))
184 183                  let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
185 184                  let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
186 185                  if ((minTokenRecieve > tokenSendAmountWithFee))
187 186                      then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
188 187                      else {
189 188                          let assetIdSend = assetIdTokenA
190 - [IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
189 + [IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
191 190                          }
192 191                  }
193 192              else if ((assetIdReceived == assetIdTokenA))
194 193                  then {
195 194                      let tokenSendAmountWithoutFee = fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA))
196 195                      let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
197 196                      let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
198 197                      if ((minTokenRecieve > tokenSendAmountWithFee))
199 198                          then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
200 199                          else {
201 200                              let assetIdSend = assetIdTokenB
202 - [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("exchange_count", (count + 1)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
201 + [IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
203 202                              }
204 203                      }
205 204                  else throw("Asset is not allowed")
206 205      }
207 206  
208 207

Old	New		Differences
22	22		let comissionScaleDelimiter = 1000000
23	23
24	24		let version = "1.0.0"
	25	+
	26	+	let scaleValue3 = 1000
25	27
26	28		let scaleValue8 = 100000000
27	29

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))

175	175		let payment = value(contextObj.payments[0])
176	176		let assetIdReceived = payment.assetId
177	177		let tokenReceiveAmount = payment.amount
178		-	let count = value(getInteger(this, "exchange_count"))
179	178		if ((getBooleanValue(this, "status") != true))
180	179		then throw("status: Unactive")
181	180		else if ((assetIdReceived == assetIdTokenB))

187	186		then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
188	187		else {
189	188		let assetIdSend = assetIdTokenA
190		-	[IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ~~IntegerEntry("exchange_count", (count + 1)),~~ ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
	189	+	[IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
191	190		}
192	191		}
193	192		else if ((assetIdReceived == assetIdTokenA))

199	198		then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
200	199		else {
201	200		let assetIdSend = assetIdTokenB
202		-	[IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ~~IntegerEntry("exchange_count", (count + 1)),~~ ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
	201	+	[IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
203	202		}
204	203		}
205	204		else throw("Asset is not allowed")

Old	New		Differences
1	1		{-# STDLIB_VERSION 4 #-}
2	2		{-# SCRIPT_TYPE ACCOUNT #-}
3	3		{-# CONTENT_TYPE DAPP #-}
4	4		let governanceAddress = Address(base58'3MSNMcqyweiM9cWpvf4Fn8GAWeuPstxj2hK')
5	5
6	6		let IdTokenA = getStringValue(this, "assetIdTokenA")
7	7
8	8		let IdTokenB = getStringValue(this, "assetIdTokenB")
9	9
10	10		let amountTokenB = getIntegerValue(this, "amountTokenB")
11	11
12	12		let amountTokenA = getIntegerValue(this, "amountTokenA")
13	13
14	14		let IdTokenShare = getStringValue(this, "share_token_id")
15	15
16	16		let tokenShareSupply = getIntegerValue(this, "share_token_supply")
17	17
18	18		let comission = 300
19	19
20	20		let commisionGovernance = 200
21	21
22	22		let comissionScaleDelimiter = 1000000
23	23
24	24		let version = "1.0.0"
	25	+
	26	+	let scaleValue3 = 1000
25	27
26	28		let scaleValue8 = 100000000
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	165		if ((getBooleanValue(this, "status") != true))
166	166		then throw("status: Unactive")
167	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)]
168	168		}
169	169		}
170	170
171	171
172	172
173	173		@Callable(contextObj)
174	174		func exchanger (minTokenRecieve) = {
175	175		let payment = value(contextObj.payments[0])
176	176		let assetIdReceived = payment.assetId
177	177		let tokenReceiveAmount = payment.amount
178		-	let count = value(getInteger(this, "exchange_count"))
179	178		if ((getBooleanValue(this, "status") != true))
180	179		then throw("status: Unactive")
181	180		else if ((assetIdReceived == assetIdTokenB))
182	181		then {
183	182		let tokenSendAmountWithoutFee = fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB))
184	183		let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
185	184		let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
186	185		if ((minTokenRecieve > tokenSendAmountWithFee))
187	186		then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
188	187		else {
189	188		let assetIdSend = assetIdTokenA
190		-	[IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ~~IntegerEntry("exchange_count", (count + 1)),~~ ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
	189	+	[IntegerEntry("amountTokenA", ((amountTokenA - tokenSendAmountWithFee) - tokenSendGovernance)), IntegerEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
191	190		}
192	191		}
193	192		else if ((assetIdReceived == assetIdTokenA))
194	193		then {
195	194		let tokenSendAmountWithoutFee = fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA))
196	195		let tokenSendAmountWithFee = fraction(tokenSendAmountWithoutFee, (comissionScaleDelimiter - comission), comissionScaleDelimiter)
197	196		let tokenSendGovernance = fraction(tokenSendAmountWithoutFee, commisionGovernance, comissionScaleDelimiter)
198	197		if ((minTokenRecieve > tokenSendAmountWithFee))
199	198		then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
200	199		else {
201	200		let assetIdSend = assetIdTokenB
202		-	[IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ~~IntegerEntry("exchange_count", (count + 1)),~~ ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
	201	+	[IntegerEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), IntegerEntry("amountTokenB", ((amountTokenB - tokenSendAmountWithFee) - tokenSendGovernance)), ScriptTransfer(contextObj.caller, tokenSendAmountWithFee, assetIdSend), ScriptTransfer(governanceAddress, tokenSendGovernance, assetIdSend)]
203	202		}
204	203		}
205	204		else throw("Asset is not allowed")
206	205		}
207	206
208	207

github/deemru/w8io/026f985 
37.44 ms ◑