tx · 7X3LFxdPQt1bxd5JsemCmswSPgD2rUyJy6aBmT426SSi

3N6qtbZbSPVcvJ1pk87e9ahdsZTjHN8e5mL:  -0.01000000 Waves

2021.09.12 19:51 [1700100] smart account 3N6qtbZbSPVcvJ1pk87e9ahdsZTjHN8e5mL > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "7X3LFxdPQt1bxd5JsemCmswSPgD2rUyJy6aBmT426SSi",
    "fee": 1000000,
    "feeAssetId": null,
    "timestamp": 1631465493895,
    "version": 2,
    "chainId": 84,
    "sender": "3N6qtbZbSPVcvJ1pk87e9ahdsZTjHN8e5mL",
    "senderPublicKey": "EYAKsFBespqQveBrfmX29rsehBJrSwQ3B6yN4ADyw8Kx",
    "proofs": [
        "5eYXBePMsEo794Kfsmmn9T8TYHZGz64sT1KRe44PV4TdiMfwbtCu7eAzMLSo4juYuUfCcnx46sdWDacZmiZDbaVu"
    ],
    "script": 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    "height": 1700100,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

View: original | compacted
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Full: 
Old
New
Differences
1
1
 
{-# STDLIB_VERSION 5 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
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4
 
let digits8 = 8
5
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6
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let scale8 = 100000000
7
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8
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let scale12 = 1000000000000
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10
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let alpha = 50
11
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12
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let alphaDigits = 2
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14
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let beta = 46000000
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16
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func skewness (x,y) = (((fraction(scale12, x, y) + fraction(scale12, y, x)) / 2) / 10000)
17
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18
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19
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func invariantCalc (x,y) = {
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    let sk = skewness(x, y)
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    (fraction((x + y), scale8, pow(sk, digits8, alpha, alphaDigits, digits8, CEILING)) + (2 * fraction(pow(fraction(x, y, scale8), 0, 5, 1, (digits8 / 2), DOWN), pow((sk - beta), digits8, alpha, alphaDigits, digits8, DOWN), scale8)))
22
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    }
23
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24
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25
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func checkPossibilty (pmtAmount,minAmountToReceive,exchangers,exchangersType,routingAssetsKeys,args1,args2) = {
26
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    let commission = 3000
27
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    let commissionScaleDelimiter = 1000000
28
28
 
    let dApp1TokenPay = getIntegerValue(addressFromStringValue(exchangers[0]), routingAssetsKeys[0])
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    let dApp1TokenGet = getIntegerValue(addressFromStringValue(exchangers[0]), routingAssetsKeys[1])
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    let dApp2TokenPay = getIntegerValue(addressFromStringValue(exchangers[1]), routingAssetsKeys[2])
31
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    let dApp2TokenGet = getIntegerValue(addressFromStringValue(exchangers[1]), routingAssetsKeys[3])
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    let getFrom1TradeWithFee = if ((exchangersType[0] == "cpmm"))
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33
 
        then {
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            let getFrom1Trade = fraction(dApp1TokenGet, pmtAmount, (pmtAmount + dApp1TokenPay))
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            fraction(getFrom1Trade, (commissionScaleDelimiter - commission), commissionScaleDelimiter)
36
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            }
37
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        else if ((exchangersType[0] == "flat"))
38
38
 
            then {
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                let invariant = invariantCalc(dApp1TokenPay, dApp1TokenGet)
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                let minAmountToReceive1 = args2[0]
41
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                let invariantNew = invariantCalc((dApp1TokenPay + pmtAmount), (dApp1TokenGet - args2[0]))
42
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                if ((invariantNew >= invariant))
43
43
 
                    then minAmountToReceive1
44
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                    else throw("Flat contract: invariantNew < invariant")
45
45
 
                }
46
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            else throw("Incorrect exchange type")
47
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    let getFrom2TradeWithFee = if ((exchangersType[1] == "cpmm"))
48
48
 
        then {
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            let getFrom2Trade = fraction(dApp2TokenGet, getFrom1TradeWithFee, (getFrom1TradeWithFee + dApp2TokenPay))
50
50
 
            fraction(getFrom2Trade, (commissionScaleDelimiter - commission), commissionScaleDelimiter)
51
51
 
            }
52
52
 
        else if ((exchangersType[1] == "flat"))
53
53
 
            then {
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                let invariant = invariantCalc(dApp2TokenPay, dApp2TokenGet)
55
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                let minAmountToReceive2 = args2[1]
56
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                let invariantNew = invariantCalc((dApp2TokenPay + getFrom1TradeWithFee), (dApp2TokenGet - minAmountToReceive2))
57
57
 
                if ((invariantNew >= invariant))
58
58
 
                    then minAmountToReceive2
59
59
 
                    else throw("Flat contract: invariantNew < invariant")
60
60
 
                }
61
61
 
            else throw("Incorrect exchange type")
62
62
 
    if ((getFrom2TradeWithFee >= minAmountToReceive))
63
63
 
        then true
64
64
 
        else false
65
65
 
    }
66
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67
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68
68
 
@Callable(i)
69
69
 
func routingTrade (exchangers,exchangersType,args1,args2,routingAssetsKeys,receiveAssetId,minAmountToReceive) = {
70
70
 
    let $t037483822 = $Tuple2(i.payments[0].amount, i.payments[0].assetId)
71
71
 
    let pmtAmount = $t037483822._1
72
72
 
    let pmtAssetId = $t037483822._2
73
73
 
    if (!(checkPossibilty(pmtAmount, minAmountToReceive, exchangers, exchangersType, routingAssetsKeys, args1, args2)))
74
74
 
        then throw("Check transaction possibilty: declined")
75
75
 
        else {
76
76
 
            let routingSize = size(exchangers)
77
77
 
            func exchangeFold (accumulated,exchanger) =             {
78
78
 
                let $t041214184 = accumulated
79
79
 
                let exchangeCounter = $t041214184._1
80
80
 
                let amountsWithFee = $t041214184._2
81
81
 
                let assetsIdSend = $t041214184._3
82
82
 
                if ((exchangeCounter == 0))
83
83
 
                    then {
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                        let exchangerAddress = addressFromStringValue(exchanger)
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85
 
                        let inv = if ((exchangersType[exchangeCounter] == "cpmm"))
86
86
 
                            then invoke(exchangerAddress, "exchange", [args1[exchangeCounter]], [AttachedPayment(pmtAssetId, pmtAmount)])
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87
 
                            else if ((exchangersType[exchangeCounter] == "flat"))
88
88
 
                                then invoke(exchangerAddress, "exchange", [args1[exchangeCounter], args2[exchangeCounter]], [AttachedPayment(pmtAssetId, pmtAmount)])
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89
 
                                else throw("Incorrect exchange type")
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90
 
                        if ((inv == inv))
91
91
 
                            then                             match inv {
92
92
 
                                case inv: (Int, ByteVector) => 
93
93
 
                                    let $t048804918 = inv
94
94
 
                                    let amountWithFee = $t048804918._1
95
95
 
                                    let assetIdSend = $t048804918._2
96
96
 
                                    $Tuple3((exchangeCounter + 1), amountWithFee, assetIdSend)
97
97
 
                                case _ => 
98
98
 
                                    throw("Incorrect invoke result: expected amountWithFee and assetsIdSend")
99
99
 
                            }
100
100
 
                            else throw("Strict value is not equal to itself.")
101
101
 
                        }
102
102
 
                    else if (if ((exchangeCounter > 0))
103
103
 
                        then (routingSize > exchangeCounter)
104
104
 
                        else false)
105
105
 
                        then {
106
106
 
                            let exchangerAddress = addressFromStringValue(exchanger)
107
107
 
                            let $t052645330 = $Tuple2(assetsIdSend, amountsWithFee)
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108
 
                            let pmtAssetIdRout = $t052645330._1
109
109
 
                            let pmtAmountRout = $t052645330._2
110
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                            let inv = if ((exchangersType[exchangeCounter] == "cpmm"))
111
111
 
                                then invoke(exchangerAddress, "exchange", [args1[exchangeCounter]], [AttachedPayment(pmtAssetIdRout, pmtAmountRout)])
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112
 
                                else if ((exchangersType[exchangeCounter] == "flat"))
113
113
 
                                    then invoke(exchangerAddress, "exchange", [args1[exchangeCounter], args2[exchangeCounter]], [AttachedPayment(pmtAssetIdRout, pmtAmountRout)])
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114
 
                                    else throw("Incorrect exchange type")
115
115
 
                            if ((inv == inv))
116
116
 
                                then                                 match inv {
117
117
 
                                    case inv: (Int, ByteVector) => 
118
118
 
                                        let $t059355973 = inv
119
119
 
                                        let amountWithFee = $t059355973._1
120
120
 
                                        let assetIdSend = $t059355973._2
121
121
 
                                        $Tuple3((exchangeCounter + 1), amountWithFee, assetIdSend)
122
122
 
                                    case _ => 
123
123
 
                                        throw("Incorrect invoke result: expected amountWithFee and assetsIdSend")
124
124
 
                                }
125
125
 
                                else throw("Strict value is not equal to itself.")
126
126
 
                            }
127
127
 
                        else accumulated
128
128
 
                }
129
129
 
130
130
 
            let $t062116312 = {
131
131
 
                let $list62636312 = exchangers
132
132
 
                let $size62636312 = size($list62636312)
133
133
 
                let $acc062636312 = $Tuple3(0, 0, base58'')
134
134
 
                if (($size62636312 == 0))
135
135
 
                    then $acc062636312
136
136
 
                    else {
137
137
 
                        let $acc162636312 = exchangeFold($acc062636312, $list62636312[0])
138
138
 
                        if (($size62636312 == 1))
139
139
 
                            then $acc162636312
140
140
 
                            else {
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141
 
                                let $acc262636312 = exchangeFold($acc162636312, $list62636312[1])
142
142
 
                                if (($size62636312 == 2))
143
143
 
                                    then $acc262636312
144
144
 
                                    else {
145
145
 
                                        let $acc362636312 = exchangeFold($acc262636312, $list62636312[2])
146
146
 
                                        if (($size62636312 == 3))
147
147
 
                                            then $acc362636312
148
148
 
                                            else {
149
149
 
                                                let $acc462636312 = exchangeFold($acc362636312, $list62636312[3])
150
150
 
                                                throw("List size exceed 3")
151
151
 
                                                }
152
152
 
                                        }
153
153
 
                                }
154
154
 
                        }
155
155
 
                }
156
156
 
            let exchangeCounter = $t062116312._1
157
157
 
            let amountsWithFee = $t062116312._2
158
158
 
            let assetsIdSend = $t062116312._3
159
159
 
            let amountToRecieve = assetBalance(this, receiveAssetId)
160
160
 
            if (if ((exchangeCounter == routingSize))
161
161
 
                then (amountToRecieve >= minAmountToReceive)
162
162
 
                else false)
163
163
 
                then [ScriptTransfer(i.caller, amountToRecieve, receiveAssetId)]
164
164
 
                else throw("routing != routingSize or amountToRecieve < minAmountToReceive")
165
165
 
            }
166
166
 
    }
167
167
 
168
168
 

github/deemru/w8io/026f985 
29.62 ms ◑