tx · 41PXRGr3V5pYvwhBEiRqwE8ZcNyVWkbQCUekTdDGmNc9

3Mwm6wcc5SBiMzF2dMWpTJpFFobA236iAZ7:  -0.01000000 Waves

2022.03.14 22:06 [1964030] smart account 3Mwm6wcc5SBiMzF2dMWpTJpFFobA236iAZ7 > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "41PXRGr3V5pYvwhBEiRqwE8ZcNyVWkbQCUekTdDGmNc9",
    "fee": 1000000,
    "feeAssetId": null,
    "timestamp": 1647284793545,
    "version": 2,
    "chainId": 84,
    "sender": "3Mwm6wcc5SBiMzF2dMWpTJpFFobA236iAZ7",
    "senderPublicKey": "BpvXf9toCinzcKiB63evew28WyjAZX5mTYcnAcRGMAH6",
    "proofs": [
        "5ozdLMJH4TMXMGjZ3x1oSqEUwYmn43Ce4VTjfVB9QiZjx24Pmck4QLkeH4EeUSWQYe3rX5mPabTNsw4vqxBVep2q"
    ],
    "script": "base64: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",
    "height": 1964030,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

View: original | compacted
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Diff: 
Old
New
Differences
1
1
 
{-# STDLIB_VERSION 5 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
-
let loanFeePercent = (9 / 100)
4
+
let exchangeRate = 10
5
+
6
+
let exchangeRateDiffPercent = 10
7
+
8
+
let USDNtoWAVESrate = fraction(exchangeRate, (100 - exchangeRateDiffPercent), 100)
5
9
 
6
10
 
let USDN = base58'3KFXBGGLCjA5Z2DuW4Dq9fDDrHjJJP1ZEkaoajSzuKsC'
7
11
 
8
-
let WAVES = base58'WAVES'
12
+
let WAVES = base58''
9
13
 
10
-
let exchangerUSDNtoWavesAddress = Address(base58'3My9M3PdtDPdsvHwX4t1epYFJjhLDrQFP49')
14
+
let USDNtoWAVESRate = 10
11
15
 
12
-
let exchangerWavesToUSDNAddress = Address(base58'3NAAEeRUgAj7D4pTPGR7n4yPCX2JGF3vUXm')
16
+
let loanFeePercent = 10
13
17
 
14
-
let loanerAddress = Address(base58'3Mty9tvj2nMt3mudiJFGKqKh8Mai1o8oGCA')
18
+
func exchangeWAVEStoUSDN (amount,assetId,caller) = if ((assetId == WAVES))
19
+
    then [ScriptTransfer(Address(caller), (amount / USDNtoWAVESrate), USDN)]
20
+
    else throw("Unexpected Token")
15
21
 
16
-
@Callable(i)
17
-
func trade (borrower) = {
18
-
    let loanAmount = if ((i.payments[0].assetId == USDN))
19
-
        then i.payments[0].amount
22
+
23
+
func exchangeUSDNtoWAVES (amount,assetId,caller) = if ((assetId == USDN))
24
+
    then [ScriptTransfer(Address(caller), (amount * USDNtoWAVESRate), WAVES)]
25
+
    else throw("Unexpected Token")
26
+
27
+
28
+
func trade (borrower,amount,assetId) = {
29
+
    let loanAmount = if ((assetId == USDN))
30
+
        then amount
20
31
 
        else throw("Unexpected payment asset")
21
32
 
    let startBalanceWAVES = assetBalance(this, WAVES)
22
33
 
    if ((startBalanceWAVES == startBalanceWAVES))
23
34
 
        then {
24
-
            let r1 = invoke(exchangerUSDNtoWavesAddress, "exchangeUSDNtoWAVES", nil, [AttachedPayment(USDN, loanAmount)])
35
+
            let r1 = exchangeUSDNtoWAVES(amount, assetId, borrower)
25
36
 
            if ((r1 == r1))
26
37
 
                then {
27
38
 
                    let diffWAVES = (assetBalance(this, WAVES) - startBalanceWAVES)
28
39
 
                    if ((diffWAVES == diffWAVES))
29
40
 
                        then {
30
-
                            let r2 = invoke(exchangerWavesToUSDNAddress, "exchangeWAVEStoUSDN", nil, [AttachedPayment(WAVES, diffWAVES)])
41
+
                            let r2 = exchangeWAVEStoUSDN(amount, WAVES, borrower)
31
42
 
                            if ((r2 == r2))
32
43
 
                                then {
33
44
 
                                    let debt = fraction(loanAmount, (100 + loanFeePercent), 100)
34
45
 
                                    let profit = (assetBalance(this, USDN) - debt)
35
-
[ScriptTransfer(Address(borrower), profit, USDN), ScriptTransfer(loanerAddress, debt, USDN)]
46
+
[ScriptTransfer(Address(borrower), profit, USDN), ScriptTransfer(this, debt, USDN)]
36
47
 
                                    }
37
48
 
                                else throw("Strict value is not equal to itself.")
38
49
 
                            }
44
55
 
    }
45
56
 
46
57
 
58
+
@Callable(i)
59
+
func flashloan (amount,borr) = {
60
+
    let startBalance = assetBalance(this, USDN)
61
+
    if ((startBalance == startBalance))
62
+
        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.")
74
+
            }
75
+
        else throw("Strict value is not equal to itself.")
76
+
    }
77
+
78
+

Full: 
Old
New
Differences
1
1
 
{-# STDLIB_VERSION 5 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
-
let loanFeePercent = (9 / 100)
4
+
let exchangeRate = 10
5
+
6
+
let exchangeRateDiffPercent = 10
7
+
8
+
let USDNtoWAVESrate = fraction(exchangeRate, (100 - exchangeRateDiffPercent), 100)
5
9
 
6
10
 
let USDN = base58'3KFXBGGLCjA5Z2DuW4Dq9fDDrHjJJP1ZEkaoajSzuKsC'
7
11
 
8
-
let WAVES = base58'WAVES'
12
+
let WAVES = base58''
9
13
 
10
-
let exchangerUSDNtoWavesAddress = Address(base58'3My9M3PdtDPdsvHwX4t1epYFJjhLDrQFP49')
14
+
let USDNtoWAVESRate = 10
11
15
 
12
-
let exchangerWavesToUSDNAddress = Address(base58'3NAAEeRUgAj7D4pTPGR7n4yPCX2JGF3vUXm')
16
+
let loanFeePercent = 10
13
17
 
14
-
let loanerAddress = Address(base58'3Mty9tvj2nMt3mudiJFGKqKh8Mai1o8oGCA')
18
+
func exchangeWAVEStoUSDN (amount,assetId,caller) = if ((assetId == WAVES))
19
+
    then [ScriptTransfer(Address(caller), (amount / USDNtoWAVESrate), USDN)]
20
+
    else throw("Unexpected Token")
15
21
 
16
-
@Callable(i)
17
-
func trade (borrower) = {
18
-
    let loanAmount = if ((i.payments[0].assetId == USDN))
19
-
        then i.payments[0].amount
22
+
23
+
func exchangeUSDNtoWAVES (amount,assetId,caller) = if ((assetId == USDN))
24
+
    then [ScriptTransfer(Address(caller), (amount * USDNtoWAVESRate), WAVES)]
25
+
    else throw("Unexpected Token")
26
+
27
+
28
+
func trade (borrower,amount,assetId) = {
29
+
    let loanAmount = if ((assetId == USDN))
30
+
        then amount
20
31
 
        else throw("Unexpected payment asset")
21
32
 
    let startBalanceWAVES = assetBalance(this, WAVES)
22
33
 
    if ((startBalanceWAVES == startBalanceWAVES))
23
34
 
        then {
24
-
            let r1 = invoke(exchangerUSDNtoWavesAddress, "exchangeUSDNtoWAVES", nil, [AttachedPayment(USDN, loanAmount)])
35
+
            let r1 = exchangeUSDNtoWAVES(amount, assetId, borrower)
25
36
 
            if ((r1 == r1))
26
37
 
                then {
27
38
 
                    let diffWAVES = (assetBalance(this, WAVES) - startBalanceWAVES)
28
39
 
                    if ((diffWAVES == diffWAVES))
29
40
 
                        then {
30
-
                            let r2 = invoke(exchangerWavesToUSDNAddress, "exchangeWAVEStoUSDN", nil, [AttachedPayment(WAVES, diffWAVES)])
41
+
                            let r2 = exchangeWAVEStoUSDN(amount, WAVES, borrower)
31
42
 
                            if ((r2 == r2))
32
43
 
                                then {
33
44
 
                                    let debt = fraction(loanAmount, (100 + loanFeePercent), 100)
34
45
 
                                    let profit = (assetBalance(this, USDN) - debt)
35
-
[ScriptTransfer(Address(borrower), profit, USDN), ScriptTransfer(loanerAddress, debt, USDN)]
46
+
[ScriptTransfer(Address(borrower), profit, USDN), ScriptTransfer(this, debt, USDN)]
36
47
 
                                    }
37
48
 
                                else throw("Strict value is not equal to itself.")
38
49
 
                            }
39
50
 
                        else throw("Strict value is not equal to itself.")
40
51
 
                    }
41
52
 
                else throw("Strict value is not equal to itself.")
42
53
 
            }
43
54
 
        else throw("Strict value is not equal to itself.")
44
55
 
    }
45
56
 
46
57
 
58
+
@Callable(i)
59
+
func flashloan (amount,borr) = {
60
+
    let startBalance = assetBalance(this, USDN)
61
+
    if ((startBalance == startBalance))
62
+
        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.")
74
+
            }
75
+
        else throw("Strict value is not equal to itself.")
76
+
    }
77
+
78
+

github/deemru/w8io/873ac7e 
25.55 ms ◑