tx · Fz8orZu4Bnqo6Z1Voxj3ju312cuDY9Pb6MR13QNJAJaa

3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8:  -0.01000000 Waves

2022.04.13 12:23 [2006613] smart account 3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8 > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "Fz8orZu4Bnqo6Z1Voxj3ju312cuDY9Pb6MR13QNJAJaa",
    "fee": 1000000,
    "feeAssetId": null,
    "timestamp": 1649841839154,
    "version": 2,
    "chainId": 84,
    "sender": "3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8",
    "senderPublicKey": "7KdKmjfPuTXGRNZv4VEz9mZiC2qb9JPzuji5z6jszZyo",
    "proofs": [
        "2bkxgzhrfWtkhEvMLhXGa2sc1mUJCusHE5UCZGCDNSpRn7oHCd7Gy3sHP98CnM1bA42Rnnxvgr8gGT2PLfj8AoGH"
    ],
    "script": "base64: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",
    "height": 2006613,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Diff: 
Old
New
Differences
56
56
 
@Callable(i)
57
57
 
func flashloan (amount,borr) = {
58
58
 
    let startBalance = assetBalance(this, USDN)
59
-
[IntegerEntry("startBalance", startBalance)]
59
+
    let borrower = borr
60
+
    let test = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "trade", [fromBase58String(borr), amount, USDN], nil)
61
+
    if ((test == test))
62
+
        then {
63
+
            let balanceDiff = (assetBalance(this, USDN) - startBalance)
64
+
            let profit = fraction(amount, loanFeePercent, 100)
65
+
            if ((profit > balanceDiff))
66
+
                then throw(((("Debt not paid, because diff = " + toString(balanceDiff)) + ". Expected diff = ") + toString(profit)))
67
+
                else [IntegerEntry("startBalance", startBalance), IntegerEntry("balanceDiff", balanceDiff), StringEntry("this", toString(this))]
68
+
            }
69
+
        else throw("Strict value is not equal to itself.")
60
70
 
    }
61
71
 
62
72
 

Full: 
Old
New
Differences
1
1
 
{-# STDLIB_VERSION 5 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
4
 
let exchangeRate = 10
5
5
 
6
6
 
let exchangeRateDiffPercent = 10
7
7
 
8
8
 
let USDNtoWAVESrate = fraction(exchangeRate, (100 - exchangeRateDiffPercent), 100)
9
9
 
10
10
 
let USDN = base58'25FEqEjRkqK6yCkiT7Lz6SAYz7gUFCtxfCChnrVFD5AT'
11
11
 
12
12
 
let WAVES = base58''
13
13
 
14
14
 
let USDNtoWAVESRate = 10
15
15
 
16
16
 
let loanFeePercent = 1
17
17
 
18
18
 
@Callable(i)
19
19
 
func exchangeWAVEStoUSDN (amount,assetId,caller) = if ((assetId == WAVES))
20
20
 
    then [ScriptTransfer(Address(caller), (amount / USDNtoWAVESrate), USDN), IntegerEntry("WAVEStoUSDN", amount)]
21
21
 
    else throw("Unexpected Token")
22
22
 
23
23
 
24
24
 
25
25
 
@Callable(i)
26
26
 
func exchangeUSDNtoWAVES (amount,assetId,caller) = if ((assetId == USDN))
27
27
 
    then [ScriptTransfer(Address(caller), (amount * USDNtoWAVESRate), unit), IntegerEntry("USDNtoWAVES", amount)]
28
28
 
    else throw("Unexpected Token")
29
29
 
30
30
 
31
31
 
32
32
 
@Callable(i)
33
33
 
func trade (borrower,amount,assetId) = {
34
34
 
    let loanAmount = if ((assetId == USDN))
35
35
 
        then amount
36
36
 
        else throw("Unexpected payment asset")
37
37
 
    let startBalanceWAVES = assetBalance(this, WAVES)
38
38
 
    let r1 = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "exchangeUSDNtoWAVES", [amount, USDN, borrower], nil)
39
39
 
    if ((r1 == r1))
40
40
 
        then {
41
41
 
            let diffWAVES = (assetBalance(this, WAVES) - startBalanceWAVES)
42
42
 
            let r2 = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "exchangeWAVEStoUSDN", [amount, WAVES, borrower], nil)
43
43
 
            if ((r2 == r2))
44
44
 
                then {
45
45
 
                    let debt = fraction(loanAmount, loanFeePercent, 100)
46
46
 
                    let profit = (assetBalance(this, USDN) - debt)
47
47
 
[StringEntry("profit", toString(profit)), IntegerEntry("STARTBALANCEWAVES", startBalanceWAVES), IntegerEntry("diffWAVES", diffWAVES), IntegerEntry("debt", debt), IntegerEntry("loanAmount", loanAmount), ScriptTransfer(Address(borrower), profit, USDN)]
48
48
 
                    }
49
49
 
                else throw("Strict value is not equal to itself.")
50
50
 
            }
51
51
 
        else throw("Strict value is not equal to itself.")
52
52
 
    }
53
53
 
54
54
 
55
55
 
56
56
 
@Callable(i)
57
57
 
func flashloan (amount,borr) = {
58
58
 
    let startBalance = assetBalance(this, USDN)
59
-
[IntegerEntry("startBalance", startBalance)]
59
+
    let borrower = borr
60
+
    let test = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "trade", [fromBase58String(borr), amount, USDN], nil)
61
+
    if ((test == test))
62
+
        then {
63
+
            let balanceDiff = (assetBalance(this, USDN) - startBalance)
64
+
            let profit = fraction(amount, loanFeePercent, 100)
65
+
            if ((profit > balanceDiff))
66
+
                then throw(((("Debt not paid, because diff = " + toString(balanceDiff)) + ". Expected diff = ") + toString(profit)))
67
+
                else [IntegerEntry("startBalance", startBalance), IntegerEntry("balanceDiff", balanceDiff), StringEntry("this", toString(this))]
68
+
            }
69
+
        else throw("Strict value is not equal to itself.")
60
70
 
    }
61
71
 
62
72
 

github/deemru/w8io/026f985 
26.23 ms ◑