tx · DCEqFhc7FHgYtHouoTq1SG1y4KYuMyZXeUdVvRn8rBwZ

3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8:  -0.01000000 Waves

2022.03.14 21:46 [1964011] smart account 3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8 > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "DCEqFhc7FHgYtHouoTq1SG1y4KYuMyZXeUdVvRn8rBwZ",
    "fee": 1000000,
    "feeAssetId": null,
    "timestamp": 1647283699126,
    "version": 2,
    "chainId": 84,
    "sender": "3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8",
    "senderPublicKey": "7KdKmjfPuTXGRNZv4VEz9mZiC2qb9JPzuji5z6jszZyo",
    "proofs": [
        "5iCyw7wG3z8n56HcAX1UoNR5HQTvqbfTHv3EiF9BT4rucLujMfHZzvYJmSqbSHhZDaYvSnqh7qvCb3NgFrZoU5rB"
    ],
    "script": "base64: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",
    "height": 1964011,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Diff: 
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Differences
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@Callable(i)
59
-
func flashloan (amount,callback,borrower,assetId) = {
59
+
func flashloan (amount,borrower,assetId) = {
60
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    let startBalance = assetBalance(this, USDN)
61
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    if ((startBalance == startBalance))
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        then {
Full: 
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New
Differences
1
1
 
{-# STDLIB_VERSION 5 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
4
 
let exchangeRate = 10
5
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6
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let exchangeRateDiffPercent = 20
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8
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let USDNtoWAVESrate = fraction(exchangeRate, (100 - exchangeRateDiffPercent), 100)
9
9
 
10
10
 
let USDN = base58'3KFXBGGLCjA5Z2DuW4Dq9fDDrHjJJP1ZEkaoajSzuKsC'
11
11
 
12
12
 
let WAVES = base58'WAVES'
13
13
 
14
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let USDNtoWAVESRate = 5
15
15
 
16
16
 
let loanFeePercent = (9 / 100)
17
17
 
18
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func exchangeWAVEStoUSDN (amount,assetId,caller) = if ((assetId == WAVES))
19
19
 
    then [ScriptTransfer(Address(caller), (amount / USDNtoWAVESrate), USDN)]
20
20
 
    else throw("Unexpected Token")
21
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22
22
 
23
23
 
func exchangeUSDNtoWAVES (amount,assetId,caller) = if ((assetId == USDN))
24
24
 
    then [ScriptTransfer(Address(caller), (amount * USDNtoWAVESRate), WAVES)]
25
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    else throw("Unexpected Token")
26
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27
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28
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func trade (borrower,amount,assetId) = {
29
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    let loanAmount = if ((assetId == USDN))
30
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        then amount
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        else throw("Unexpected payment asset")
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    let startBalanceWAVES = assetBalance(this, WAVES)
33
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    if ((startBalanceWAVES == startBalanceWAVES))
34
34
 
        then {
35
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            let r1 = exchangeUSDNtoWAVES(amount, assetId, borrower)
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            if ((r1 == r1))
37
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                then {
38
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                    let diffWAVES = (assetBalance(this, WAVES) - startBalanceWAVES)
39
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                    if ((diffWAVES == diffWAVES))
40
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                        then {
41
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                            let r2 = exchangeWAVEStoUSDN(amount, assetId, borrower)
42
42
 
                            if ((r2 == r2))
43
43
 
                                then {
44
44
 
                                    let debt = fraction(loanAmount, (100 + loanFeePercent), 100)
45
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                                    let profit = (assetBalance(this, USDN) - debt)
46
46
 
[ScriptTransfer(Address(borrower), profit, USDN), ScriptTransfer(this, debt, USDN)]
47
47
 
                                    }
48
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                                else throw("Strict value is not equal to itself.")
49
49
 
                            }
50
50
 
                        else throw("Strict value is not equal to itself.")
51
51
 
                    }
52
52
 
                else throw("Strict value is not equal to itself.")
53
53
 
            }
54
54
 
        else throw("Strict value is not equal to itself.")
55
55
 
    }
56
56
 
57
57
 
58
58
 
@Callable(i)
59
-
func flashloan (amount,callback,borrower,assetId) = {
59
+
func flashloan (amount,borrower,assetId) = {
60
60
 
    let startBalance = assetBalance(this, USDN)
61
61
 
    if ((startBalance == startBalance))
62
62
 
        then {
63
63
 
            let test = trade(borrower, amount, assetId)
64
64
 
            if ((test == test))
65
65
 
                then {
66
66
 
                    let balanceDiff = (assetBalance(this, USDN) - startBalance)
67
67
 
                    let profit = fraction(amount, loanFeePercent, 100)
68
68
 
                    if ((profit > balanceDiff))
69
69
 
                        then throw(((("Debt not paid, because diff = " + toString(balanceDiff)) + ". Expected diff = ") + toString(profit)))
70
70
 
                        else nil
71
71
 
                    }
72
72
 
                else throw("Strict value is not equal to itself.")
73
73
 
            }
74
74
 
        else throw("Strict value is not equal to itself.")
75
75
 
    }
76
76
 
77
77
 

github/deemru/w8io/169f3d6 
32.05 ms ◑