tx · EVK7g52TfiX2eSMaZeAxPGCEDV6M7g3untjQGkxf4XSu

3Mwm6wcc5SBiMzF2dMWpTJpFFobA236iAZ7:  -0.00300000 Waves

2022.09.01 12:30 [2209889] smart account 3Mwm6wcc5SBiMzF2dMWpTJpFFobA236iAZ7 > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "EVK7g52TfiX2eSMaZeAxPGCEDV6M7g3untjQGkxf4XSu",
    "fee": 300000,
    "feeAssetId": null,
    "timestamp": 1662024674274,
    "version": 2,
    "chainId": 84,
    "sender": "3Mwm6wcc5SBiMzF2dMWpTJpFFobA236iAZ7",
    "senderPublicKey": "BpvXf9toCinzcKiB63evew28WyjAZX5mTYcnAcRGMAH6",
    "proofs": [
        "BY8qh2q16CenLTwjancPHM3zzm7WjxpiLpJNgQW9S6auBYYbJ4Znxbg8DHKnYFg6fA3R8h84cSqhKn43nBakQJq"
    ],
    "script": "base64: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",
    "height": 2209889,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

View: original | compacted
Prev: 3kKQa3X1twvpZtjrLc1EEWkcsLerQHrLjsoL8Ss65LQj
Next: none

Diff: 
Old
New
Differences
7
7
 
8
8
 
let USDNtoWAVESrate = fraction(exchangeRate, (100 - exchangeRateDiffPercent), 100)
9
9
 
10
-
let USDN = base58'3KFXBGGLCjA5Z2DuW4Dq9fDDrHjJJP1ZEkaoajSzuKsC'
10
+
let USDN = base58'25FEqEjRkqK6yCkiT7Lz6SAYz7gUFCtxfCChnrVFD5AT'
11
11
 
12
12
 
let WAVES = base58''
13
13
 
15
15
 
16
16
 
let loanFeePercent = 1
17
17
 
18
+
@Callable(i)
18
19
 
func exchangeWAVEStoUSDN (amount,assetId,caller) = if ((assetId == WAVES))
19
-
    then [ScriptTransfer(Address(caller), (amount / USDNtoWAVESrate), USDN)]
20
+
    then [ScriptTransfer(Address(caller), fraction(amount, (USDNtoWAVESrate - 1), 100), USDN), IntegerEntry("WAVEStoUSDN", amount)]
20
21
 
    else throw("Unexpected Token")
21
22
 
22
23
 
24
+
25
+
@Callable(i)
23
26
 
func exchangeUSDNtoWAVES (amount,assetId,caller) = if ((assetId == USDN))
24
-
    then [ScriptTransfer(Address(caller), (amount * USDNtoWAVESRate), WAVES)]
27
+
    then [ScriptTransfer(Address(caller), (amount * USDNtoWAVESRate), unit), IntegerEntry("USDNtoWAVES", amount)]
25
28
 
    else throw("Unexpected Token")
26
29
 
27
30
 
31
+
32
+
@Callable(i)
28
33
 
func trade (borrower,amount,assetId) = {
29
34
 
    let loanAmount = if ((assetId == USDN))
30
35
 
        then amount
31
36
 
        else throw("Unexpected payment asset")
32
-
    let startBalanceWAVES = assetBalance(this, WAVES)
33
-
    if ((startBalanceWAVES == startBalanceWAVES))
37
+
    let startBalanceWAVES = wavesBalance(this).regular
38
+
    let r1 = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "exchangeUSDNtoWAVES", [amount, USDN, borrower], nil)
39
+
    if ((r1 == r1))
34
40
 
        then {
35
-
            let r1 = exchangeUSDNtoWAVES(amount, assetId, borrower)
36
-
            if ((r1 == r1))
37
-
                then {
38
-
                    let diffWAVES = (assetBalance(this, WAVES) - startBalanceWAVES)
39
-
                    if ((diffWAVES == diffWAVES))
40
-
                        then {
41
-
                            let r2 = exchangeWAVEStoUSDN(amount, WAVES, borrower)
42
-
                            if ((r2 == r2))
43
-
                                then {
44
-
                                    let debt = fraction(loanAmount, (100 + loanFeePercent), 100)
45
-
                                    let profit = (assetBalance(this, USDN) - debt)
46
-
[ScriptTransfer(Address(borrower), profit, USDN), ScriptTransfer(this, debt, USDN)]
47
-
                                    }
48
-
                                else throw("Strict value is not equal to itself.")
49
-
                            }
50
-
                        else throw("Strict value is not equal to itself.")
51
-
                    }
41
+
            let diffWAVES = wavesBalance(this).regular
42
+
            let diffWAVES2 = (diffWAVES - startBalanceWAVES)
43
+
            let r2 = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "exchangeWAVEStoUSDN", [amount, WAVES, borrower], nil)
44
+
            if ((r2 == r2))
45
+
                then [IntegerEntry("STARTBALANCEWAVES", startBalanceWAVES), IntegerEntry("diffWAVES", diffWAVES), IntegerEntry("loanAmount", loanAmount), ScriptTransfer(Address(borrower), amount, USDN)]
52
46
 
                else throw("Strict value is not equal to itself.")
53
47
 
            }
54
48
 
        else throw("Strict value is not equal to itself.")
55
49
 
    }
56
50
 
57
51
 
52
+
58
53
 
@Callable(i)
59
54
 
func flashloan (amount,borr) = {
60
55
 
    let startBalance = assetBalance(this, USDN)
61
-
    if ((startBalance == startBalance))
56
+
    let borrower = borr
57
+
    let test = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "trade", [fromBase58String(borr), amount, USDN], nil)
58
+
    if ((test == test))
62
59
 
        then {
63
-
            let borrower = borr
64
-
            let test = trade(fromBase58String(borr), amount, USDN)
65
-
            if ((test == test))
66
-
                then {
67
-
                    let balanceDiff = (assetBalance(this, USDN) - startBalance)
68
-
                    let profit = fraction(amount, loanFeePercent, 100)
69
-
                    if ((profit > balanceDiff))
70
-
                        then throw(((("Debt not paid, because diff = " + toString(balanceDiff)) + ". Expected diff = ") + toString(profit)))
71
-
                        else nil
72
-
                    }
73
-
                else throw("Strict value is not equal to itself.")
60
+
            let balanceDiff = assetBalance(this, USDN)
61
+
            let balanceDiff2 = (balanceDiff - startBalance)
62
+
            let profit = fraction(amount, loanFeePercent, 100)
63
+
            if ((profit > balanceDiff2))
64
+
                then throw(((("Debt not paid, because diff = " + toString(balanceDiff)) + ". Expected diff = ") + toString(profit)))
65
+
                else [IntegerEntry("startBalance", startBalance), IntegerEntry("balanceDiff", balanceDiff2), StringEntry("this", toString(this)), ScriptTransfer(Address(fromBase58String(borr)), profit, USDN)]
74
66
 
            }
75
67
 
        else throw("Strict value is not equal to itself.")
76
68
 
    }
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
-
let USDN = base58'3KFXBGGLCjA5Z2DuW4Dq9fDDrHjJJP1ZEkaoajSzuKsC'
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
+
@Callable(i)
18
19
 
func exchangeWAVEStoUSDN (amount,assetId,caller) = if ((assetId == WAVES))
19
-
    then [ScriptTransfer(Address(caller), (amount / USDNtoWAVESrate), USDN)]
20
+
    then [ScriptTransfer(Address(caller), fraction(amount, (USDNtoWAVESrate - 1), 100), USDN), IntegerEntry("WAVEStoUSDN", amount)]
20
21
 
    else throw("Unexpected Token")
21
22
 
22
23
 
24
+
25
+
@Callable(i)
23
26
 
func exchangeUSDNtoWAVES (amount,assetId,caller) = if ((assetId == USDN))
24
-
    then [ScriptTransfer(Address(caller), (amount * USDNtoWAVESRate), WAVES)]
27
+
    then [ScriptTransfer(Address(caller), (amount * USDNtoWAVESRate), unit), IntegerEntry("USDNtoWAVES", amount)]
25
28
 
    else throw("Unexpected Token")
26
29
 
27
30
 
31
+
32
+
@Callable(i)
28
33
 
func trade (borrower,amount,assetId) = {
29
34
 
    let loanAmount = if ((assetId == USDN))
30
35
 
        then amount
31
36
 
        else throw("Unexpected payment asset")
32
-
    let startBalanceWAVES = assetBalance(this, WAVES)
33
-
    if ((startBalanceWAVES == startBalanceWAVES))
37
+
    let startBalanceWAVES = wavesBalance(this).regular
38
+
    let r1 = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "exchangeUSDNtoWAVES", [amount, USDN, borrower], nil)
39
+
    if ((r1 == r1))
34
40
 
        then {
35
-
            let r1 = exchangeUSDNtoWAVES(amount, assetId, borrower)
36
-
            if ((r1 == r1))
37
-
                then {
38
-
                    let diffWAVES = (assetBalance(this, WAVES) - startBalanceWAVES)
39
-
                    if ((diffWAVES == diffWAVES))
40
-
                        then {
41
-
                            let r2 = exchangeWAVEStoUSDN(amount, WAVES, borrower)
42
-
                            if ((r2 == r2))
43
-
                                then {
44
-
                                    let debt = fraction(loanAmount, (100 + loanFeePercent), 100)
45
-
                                    let profit = (assetBalance(this, USDN) - debt)
46
-
[ScriptTransfer(Address(borrower), profit, USDN), ScriptTransfer(this, debt, USDN)]
47
-
                                    }
48
-
                                else throw("Strict value is not equal to itself.")
49
-
                            }
50
-
                        else throw("Strict value is not equal to itself.")
51
-
                    }
41
+
            let diffWAVES = wavesBalance(this).regular
42
+
            let diffWAVES2 = (diffWAVES - startBalanceWAVES)
43
+
            let r2 = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "exchangeWAVEStoUSDN", [amount, WAVES, borrower], nil)
44
+
            if ((r2 == r2))
45
+
                then [IntegerEntry("STARTBALANCEWAVES", startBalanceWAVES), IntegerEntry("diffWAVES", diffWAVES), IntegerEntry("loanAmount", loanAmount), ScriptTransfer(Address(borrower), amount, USDN)]
52
46
 
                else throw("Strict value is not equal to itself.")
53
47
 
            }
54
48
 
        else throw("Strict value is not equal to itself.")
55
49
 
    }
56
50
 
57
51
 
52
+
58
53
 
@Callable(i)
59
54
 
func flashloan (amount,borr) = {
60
55
 
    let startBalance = assetBalance(this, USDN)
61
-
    if ((startBalance == startBalance))
56
+
    let borrower = borr
57
+
    let test = reentrantInvoke(Address(base58'3Mw2biLQi5ygMk7zexboNGrnMYuaSfrziY8'), "trade", [fromBase58String(borr), amount, USDN], nil)
58
+
    if ((test == test))
62
59
 
        then {
63
-
            let borrower = borr
64
-
            let test = trade(fromBase58String(borr), amount, USDN)
65
-
            if ((test == test))
66
-
                then {
67
-
                    let balanceDiff = (assetBalance(this, USDN) - startBalance)
68
-
                    let profit = fraction(amount, loanFeePercent, 100)
69
-
                    if ((profit > balanceDiff))
70
-
                        then throw(((("Debt not paid, because diff = " + toString(balanceDiff)) + ". Expected diff = ") + toString(profit)))
71
-
                        else nil
72
-
                    }
73
-
                else throw("Strict value is not equal to itself.")
60
+
            let balanceDiff = assetBalance(this, USDN)
61
+
            let balanceDiff2 = (balanceDiff - startBalance)
62
+
            let profit = fraction(amount, loanFeePercent, 100)
63
+
            if ((profit > balanceDiff2))
64
+
                then throw(((("Debt not paid, because diff = " + toString(balanceDiff)) + ". Expected diff = ") + toString(profit)))
65
+
                else [IntegerEntry("startBalance", startBalance), IntegerEntry("balanceDiff", balanceDiff2), StringEntry("this", toString(this)), ScriptTransfer(Address(fromBase58String(borr)), profit, USDN)]
74
66
 
            }
75
67
 
        else throw("Strict value is not equal to itself.")
76
68
 
    }
77
69
 
78
70
 

github/deemru/w8io/873ac7e 
29.83 ms ◑