tx · 4b3HoiU2gePZJeFgYUMUdzvUnVEynZhXB2ZCPpLxQnuV

3N1FWHMYZ9QJDkUaMPxexydkBqiUxEk3J6o:  -0.01400000 Waves

2020.11.10 10:56 [1258966] smart account 3N1FWHMYZ9QJDkUaMPxexydkBqiUxEk3J6o > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "4b3HoiU2gePZJeFgYUMUdzvUnVEynZhXB2ZCPpLxQnuV",
    "fee": 1400000,
    "feeAssetId": null,
    "timestamp": 1604995000929,
    "version": 1,
    "sender": "3N1FWHMYZ9QJDkUaMPxexydkBqiUxEk3J6o",
    "senderPublicKey": "oH6E3DnZcMibsYC4VB7KvfemJfz3koDVwZ5Z3pXGpCN",
    "proofs": [
        "5SyjKQV7XjvgomYxHARwoMBoGEMYHkGgJngZXPf7mKVnN8SeG3y6djykaHKAGkaZMawc5zCn9jjaXUq1BqH16qa3"
    ],
    "script": "base64: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",
    "chainId": 84,
    "height": 1258966,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

View: original | compacted
Prev: 3ME835z4bBUvt9SCcmSsNdsy4TS7V5M5i6Fa6eDuyv3i
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Diff: 
Old
New
Differences
1
-
{-# STDLIB_VERSION 3 #-}
1
+
{-# STDLIB_VERSION 4 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
4
 
let USDT = "5Sh9KghfkZyhjwuodovDhB6PghDUGBHiAPZ4MkrPgKtX"
19
19
 
20
20
 
let minimalAmountToSwapUSDN = (10000 * decimalPartUSDT)
21
21
 
22
-
func collectKey (address,amountToSwapInKey,allowToWithdrawHeight) = ((((toString(address) + "_WITHDRAW_") + toString(amountToSwapInKey)) + "_HEIGHT_") + toString(allowToWithdrawHeight))
22
+
func collectKey (address,amountToSwapInKey,allowToWithdrawHeight) = makeString([address, "WITHDRAW", toString(amountToSwapInKey), "HEIGHT", toString(allowToWithdrawHeight)], "_")
23
23
 
24
24
 
25
-
@Callable(contextObj)
25
+
func collectBalanceKey (address) = makeString([address, "balance"], "_")
26
+
27
+
28
+
func collectBalanceKeyWithFee (address) = makeString([address, "balance_with_fee"], "_")
29
+
30
+
31
+
func usdtToUsdnAssetError () = throw("To swap USDT to USDN you need attach payment in USDT")
32
+
33
+
34
+
func usdnToUsdtAssetError () = throw("To swap USDN to USDT you need attach payment in USDN")
35
+
36
+
37
+
func usdtToUsdnLowLimitError () = throw((("you can swap at least " + toString((minimalAmountToSwapUSDT / decimalPartUSDT))) + " tokens"))
38
+
39
+
40
+
func abs (n) = if ((0 > n))
41
+
    then (n * -1)
42
+
    else n
43
+
44
+
45
+
func getWithoutFeeWithdraw (amount,balanceWithoutFee) = min([amount, balanceWithoutFee])
46
+
47
+
48
+
func getListElementOrDefault (list,index,default) = if ((size(list) > index))
49
+
    then list[index]
50
+
    else default
51
+
52
+
53
+
func currentWithdrawals (address,amount) = {
54
+
    let balanceKey = collectBalanceKey(address)
55
+
    let balanceWithFeeKey = collectBalanceKeyWithFee(address)
56
+
    let currentClientBalance = valueOrElse(getInteger(this, balanceKey), 0)
57
+
    let currentClientBalanceWithFee = valueOrElse(getInteger(this, balanceWithFeeKey), 0)
58
+
    let userBalance = (currentClientBalance + currentClientBalanceWithFee)
59
+
    if (if ((amount > userBalance))
60
+
        then true
61
+
        else (minimalAmountToSwapUSDN > amount))
62
+
        then throw("Swap amount fail, amount is to small or to big.")
63
+
        else {
64
+
            let toWithdrawWithoutFee = getWithoutFeeWithdraw(amount, currentClientBalance)
65
+
            let toWithdrawWithFee = (amount - toWithdrawWithoutFee)
66
+
            let fee = ((toWithdrawWithFee / 100) * 1)
67
+
[toWithdrawWithoutFee, toWithdrawWithFee, fee]
68
+
            }
69
+
    }
70
+
71
+
72
+
@Callable(invoke)
26
73
 
func swapUSDTtoUSDN () = {
27
-
    let payment =     match contextObj.payment {
28
-
        case p: AttachedPayment => 
29
-
            p
30
-
        case _ => 
31
-
            throw("Payment not attached")
32
-
    }
33
-
    let assetIdReceived = payment.assetId
34
-
    let tokenReceiveAmount = payment.amount
35
-
    let userAddress = contextObj.caller
36
-
    let currentClientBalanceUSDT =     match getInteger(this, (toString(userAddress) + "_balance")) {
37
-
        case currentBalance: Int => 
38
-
            value(getInteger(this, (toString(userAddress) + "_balance")))
39
-
        case _ => 
40
-
            0
41
-
    }
42
-
    if ((assetIdReceived != idUSDT))
43
-
        then throw("to swap USDT to USDN you need attach payment in USDT")
44
-
        else if ((minimalAmountToSwapUSDT > tokenReceiveAmount))
45
-
            then throw((("you can swap at least " + toString((minimalAmountToSwapUSDT / decimalPartUSDT))) + " tokens"))
46
-
            else ScriptResult(WriteSet([DataEntry((toString(contextObj.caller) + "_balance"), (currentClientBalanceUSDT + tokenReceiveAmount))]), TransferSet([ScriptTransfer(contextObj.caller, tokenReceiveAmount, idUSDN)]))
74
+
    let balanceKey = collectBalanceKeyWithFee(toString(invoke.caller))
75
+
    let payment = value(invoke.payments[0])
76
+
    if ((payment.assetId != idUSDT))
77
+
        then usdtToUsdnAssetError()
78
+
        else {
79
+
            let amount = payment.amount
80
+
            let fee = ((amount / 100) * 1)
81
+
            let currentClientBalanceUSDT = valueOrElse(getInteger(this, balanceKey), 0)
82
+
            if ((minimalAmountToSwapUSDT > amount))
83
+
                then usdtToUsdnLowLimitError()
84
+
                else [IntegerEntry(balanceKey, (currentClientBalanceUSDT + amount)), ScriptTransfer(invoke.caller, (amount - fee), idUSDN)]
85
+
            }
47
86
 
    }
48
87
 
49
88
 
50
89
 
51
-
@Callable(contextObj)
90
+
@Callable(invoke)
52
91
 
func initializationUSDNtoUSDTswap () = {
53
-
    let payment =     match contextObj.payment {
54
-
        case p: AttachedPayment => 
55
-
            p
56
-
        case _ => 
57
-
            throw("Payment not attached")
58
-
    }
59
-
    let assetIdReceived = payment.assetId
60
-
    let paymentAmount = payment.amount
61
-
    let userAddress = contextObj.caller
62
-
    let currentClientBalanceUSDT =     match getInteger(this, (toString(userAddress) + "_balance")) {
63
-
        case currentBalance: Int => 
64
-
            getIntegerValue(this, (toString(userAddress) + "_balance"))
65
-
        case _ => 
66
-
            0
67
-
    }
68
-
    if ((assetIdReceived != idUSDN))
69
-
        then throw("to swap USDN to USDT you need attach payment in USDN")
70
-
        else if (if ((paymentAmount > currentClientBalanceUSDT))
71
-
            then true
72
-
            else (minimalAmountToSwapUSDN > paymentAmount))
73
-
            then throw("swap amount fail")
74
-
            else {
75
-
                let allowToWithDrawHeight = (height + withdrawDelay)
76
-
                if (isDefined(getString(this, collectKey(contextObj.caller, paymentAmount, allowToWithDrawHeight))))
77
-
                    then throw("you have already started withdrawal process, wait next block")
78
-
                    else ScriptResult(WriteSet([DataEntry((toString(contextObj.caller) + "_balance"), (currentClientBalanceUSDT - paymentAmount)), DataEntry(collectKey(contextObj.caller, paymentAmount, allowToWithDrawHeight), "not_withdrawn")]), TransferSet(nil))
79
-
                }
92
+
    let payment = value(invoke.payments[0])
93
+
    let address = toString(invoke.caller)
94
+
    if ((payment.assetId != idUSDN))
95
+
        then usdnToUsdtAssetError()
96
+
        else {
97
+
            let amount = payment.amount
98
+
            let balanceKey = collectBalanceKey(address)
99
+
            let balanceWithFeeKey = collectBalanceKeyWithFee(address)
100
+
            let currentClientBalance = valueOrElse(getInteger(this, balanceKey), 0)
101
+
            let currentClientBalanceWithFee = valueOrElse(getInteger(this, balanceWithFeeKey), 0)
102
+
            let userBalance = (currentClientBalance + currentClientBalanceWithFee)
103
+
            let data = currentWithdrawals(toString(invoke.caller), amount)
104
+
            let toWithdrawWithoutFee = valueOrErrorMessage(data[0], "Wrong 'currentWithdrawals' method!")
105
+
            let toWithdrawWithFee = valueOrErrorMessage(data[1], "Wrong 'currentWithdrawals' method!")
106
+
            let fee = valueOrErrorMessage(data[2], "Wrong 'currentWithdrawals' method!")
107
+
            let total = ((toWithdrawWithFee + toWithdrawWithoutFee) - fee)
108
+
            let allowToWithDrawHeight = (height + withdrawDelay)
109
+
            if (isDefined(getString(this, collectKey(toString(invoke.caller), amount, allowToWithDrawHeight))))
110
+
                then throw("You have already started withdrawal process, wait next block.")
111
+
                else [IntegerEntry(balanceKey, (currentClientBalance - toWithdrawWithoutFee)), IntegerEntry(balanceWithFeeKey, (currentClientBalanceWithFee - toWithdrawWithFee)), StringEntry(collectKey(toString(invoke.caller), amount, allowToWithDrawHeight), makeString(["not_withdrawn", toString((amount - fee))], "_"))]
112
+
            }
80
113
 
    }
81
114
 
82
115
 
83
116
 
84
-
@Callable(contextObj)
85
-
func swapUSDNtoUSDT (amountToSwapInKey,heightInKey) = {
86
-
    let key = collectKey(contextObj.caller, amountToSwapInKey, heightInKey)
87
-
    let withdrawnInfo =     match getString(this, key) {
88
-
        case withdrawnInfo: String => 
89
-
            getStringValue(this, key)
90
-
        case _ => 
91
-
            throw(((("this key doesn't exists " + key) + " at address  ") + toString(this)))
92
-
    }
117
+
@Callable(invoke)
118
+
func swapUSDNtoUSDT (amount,heightInKey) = {
119
+
    let key = collectKey(toString(invoke.caller), amount, heightInKey)
120
+
    let withdrawnInfo = valueOrErrorMessage(getString(this, key), ((("This key doesn't exists " + key) + " at address  ") + toString(this)))
121
+
    let toWithdraw = getListElementOrDefault(split(withdrawnInfo, "_"), 2, toString(amount))
93
122
 
    if (if ((height >= heightInKey))
94
-
        then (withdrawnInfo == "not_withdrawn")
123
+
        then contains(withdrawnInfo, "not_withdrawn")
95
124
 
        else false)
96
-
        then ScriptResult(WriteSet([DataEntry(key, "withdrawn")]), TransferSet([ScriptTransfer(contextObj.caller, amountToSwapInKey, idUSDT)]))
97
-
        else throw((("withdrawal is possible after " + toString(heightInKey)) + " height or you have already withdrawn USDT"))
125
+
        then [DeleteEntry(key), ScriptTransfer(invoke.caller, valueOrErrorMessage(parseInt(toWithdraw), "Wrong withdraw data!"), idUSDT)]
126
+
        else throw((("Withdrawal is possible after " + toString(heightInKey)) + " height or you have already withdrawn USDT."))
98
127
 
    }
99
128
 
100
129
 

Full: 
Old
New
Differences
1
-
{-# STDLIB_VERSION 3 #-}
1
+
{-# STDLIB_VERSION 4 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
4
 
let USDT = "5Sh9KghfkZyhjwuodovDhB6PghDUGBHiAPZ4MkrPgKtX"
5
5
 
6
6
 
let USDN = "25FEqEjRkqK6yCkiT7Lz6SAYz7gUFCtxfCChnrVFD5AT"
7
7
 
8
8
 
let idUSDN = fromBase58String(USDN)
9
9
 
10
10
 
let idUSDT = fromBase58String(USDT)
11
11
 
12
12
 
let withdrawDelay = 2
13
13
 
14
14
 
let decimalPartUSDN = 1000000
15
15
 
16
16
 
let decimalPartUSDT = 1000000
17
17
 
18
18
 
let minimalAmountToSwapUSDT = (10000 * decimalPartUSDN)
19
19
 
20
20
 
let minimalAmountToSwapUSDN = (10000 * decimalPartUSDT)
21
21
 
22
-
func collectKey (address,amountToSwapInKey,allowToWithdrawHeight) = ((((toString(address) + "_WITHDRAW_") + toString(amountToSwapInKey)) + "_HEIGHT_") + toString(allowToWithdrawHeight))
22
+
func collectKey (address,amountToSwapInKey,allowToWithdrawHeight) = makeString([address, "WITHDRAW", toString(amountToSwapInKey), "HEIGHT", toString(allowToWithdrawHeight)], "_")
23
23
 
24
24
 
25
-
@Callable(contextObj)
25
+
func collectBalanceKey (address) = makeString([address, "balance"], "_")
26
+
27
+
28
+
func collectBalanceKeyWithFee (address) = makeString([address, "balance_with_fee"], "_")
29
+
30
+
31
+
func usdtToUsdnAssetError () = throw("To swap USDT to USDN you need attach payment in USDT")
32
+
33
+
34
+
func usdnToUsdtAssetError () = throw("To swap USDN to USDT you need attach payment in USDN")
35
+
36
+
37
+
func usdtToUsdnLowLimitError () = throw((("you can swap at least " + toString((minimalAmountToSwapUSDT / decimalPartUSDT))) + " tokens"))
38
+
39
+
40
+
func abs (n) = if ((0 > n))
41
+
    then (n * -1)
42
+
    else n
43
+
44
+
45
+
func getWithoutFeeWithdraw (amount,balanceWithoutFee) = min([amount, balanceWithoutFee])
46
+
47
+
48
+
func getListElementOrDefault (list,index,default) = if ((size(list) > index))
49
+
    then list[index]
50
+
    else default
51
+
52
+
53
+
func currentWithdrawals (address,amount) = {
54
+
    let balanceKey = collectBalanceKey(address)
55
+
    let balanceWithFeeKey = collectBalanceKeyWithFee(address)
56
+
    let currentClientBalance = valueOrElse(getInteger(this, balanceKey), 0)
57
+
    let currentClientBalanceWithFee = valueOrElse(getInteger(this, balanceWithFeeKey), 0)
58
+
    let userBalance = (currentClientBalance + currentClientBalanceWithFee)
59
+
    if (if ((amount > userBalance))
60
+
        then true
61
+
        else (minimalAmountToSwapUSDN > amount))
62
+
        then throw("Swap amount fail, amount is to small or to big.")
63
+
        else {
64
+
            let toWithdrawWithoutFee = getWithoutFeeWithdraw(amount, currentClientBalance)
65
+
            let toWithdrawWithFee = (amount - toWithdrawWithoutFee)
66
+
            let fee = ((toWithdrawWithFee / 100) * 1)
67
+
[toWithdrawWithoutFee, toWithdrawWithFee, fee]
68
+
            }
69
+
    }
70
+
71
+
72
+
@Callable(invoke)
26
73
 
func swapUSDTtoUSDN () = {
27
-
    let payment =     match contextObj.payment {
28
-
        case p: AttachedPayment => 
29
-
            p
30
-
        case _ => 
31
-
            throw("Payment not attached")
32
-
    }
33
-
    let assetIdReceived = payment.assetId
34
-
    let tokenReceiveAmount = payment.amount
35
-
    let userAddress = contextObj.caller
36
-
    let currentClientBalanceUSDT =     match getInteger(this, (toString(userAddress) + "_balance")) {
37
-
        case currentBalance: Int => 
38
-
            value(getInteger(this, (toString(userAddress) + "_balance")))
39
-
        case _ => 
40
-
            0
41
-
    }
42
-
    if ((assetIdReceived != idUSDT))
43
-
        then throw("to swap USDT to USDN you need attach payment in USDT")
44
-
        else if ((minimalAmountToSwapUSDT > tokenReceiveAmount))
45
-
            then throw((("you can swap at least " + toString((minimalAmountToSwapUSDT / decimalPartUSDT))) + " tokens"))
46
-
            else ScriptResult(WriteSet([DataEntry((toString(contextObj.caller) + "_balance"), (currentClientBalanceUSDT + tokenReceiveAmount))]), TransferSet([ScriptTransfer(contextObj.caller, tokenReceiveAmount, idUSDN)]))
74
+
    let balanceKey = collectBalanceKeyWithFee(toString(invoke.caller))
75
+
    let payment = value(invoke.payments[0])
76
+
    if ((payment.assetId != idUSDT))
77
+
        then usdtToUsdnAssetError()
78
+
        else {
79
+
            let amount = payment.amount
80
+
            let fee = ((amount / 100) * 1)
81
+
            let currentClientBalanceUSDT = valueOrElse(getInteger(this, balanceKey), 0)
82
+
            if ((minimalAmountToSwapUSDT > amount))
83
+
                then usdtToUsdnLowLimitError()
84
+
                else [IntegerEntry(balanceKey, (currentClientBalanceUSDT + amount)), ScriptTransfer(invoke.caller, (amount - fee), idUSDN)]
85
+
            }
47
86
 
    }
48
87
 
49
88
 
50
89
 
51
-
@Callable(contextObj)
90
+
@Callable(invoke)
52
91
 
func initializationUSDNtoUSDTswap () = {
53
-
    let payment =     match contextObj.payment {
54
-
        case p: AttachedPayment => 
55
-
            p
56
-
        case _ => 
57
-
            throw("Payment not attached")
58
-
    }
59
-
    let assetIdReceived = payment.assetId
60
-
    let paymentAmount = payment.amount
61
-
    let userAddress = contextObj.caller
62
-
    let currentClientBalanceUSDT =     match getInteger(this, (toString(userAddress) + "_balance")) {
63
-
        case currentBalance: Int => 
64
-
            getIntegerValue(this, (toString(userAddress) + "_balance"))
65
-
        case _ => 
66
-
            0
67
-
    }
68
-
    if ((assetIdReceived != idUSDN))
69
-
        then throw("to swap USDN to USDT you need attach payment in USDN")
70
-
        else if (if ((paymentAmount > currentClientBalanceUSDT))
71
-
            then true
72
-
            else (minimalAmountToSwapUSDN > paymentAmount))
73
-
            then throw("swap amount fail")
74
-
            else {
75
-
                let allowToWithDrawHeight = (height + withdrawDelay)
76
-
                if (isDefined(getString(this, collectKey(contextObj.caller, paymentAmount, allowToWithDrawHeight))))
77
-
                    then throw("you have already started withdrawal process, wait next block")
78
-
                    else ScriptResult(WriteSet([DataEntry((toString(contextObj.caller) + "_balance"), (currentClientBalanceUSDT - paymentAmount)), DataEntry(collectKey(contextObj.caller, paymentAmount, allowToWithDrawHeight), "not_withdrawn")]), TransferSet(nil))
79
-
                }
92
+
    let payment = value(invoke.payments[0])
93
+
    let address = toString(invoke.caller)
94
+
    if ((payment.assetId != idUSDN))
95
+
        then usdnToUsdtAssetError()
96
+
        else {
97
+
            let amount = payment.amount
98
+
            let balanceKey = collectBalanceKey(address)
99
+
            let balanceWithFeeKey = collectBalanceKeyWithFee(address)
100
+
            let currentClientBalance = valueOrElse(getInteger(this, balanceKey), 0)
101
+
            let currentClientBalanceWithFee = valueOrElse(getInteger(this, balanceWithFeeKey), 0)
102
+
            let userBalance = (currentClientBalance + currentClientBalanceWithFee)
103
+
            let data = currentWithdrawals(toString(invoke.caller), amount)
104
+
            let toWithdrawWithoutFee = valueOrErrorMessage(data[0], "Wrong 'currentWithdrawals' method!")
105
+
            let toWithdrawWithFee = valueOrErrorMessage(data[1], "Wrong 'currentWithdrawals' method!")
106
+
            let fee = valueOrErrorMessage(data[2], "Wrong 'currentWithdrawals' method!")
107
+
            let total = ((toWithdrawWithFee + toWithdrawWithoutFee) - fee)
108
+
            let allowToWithDrawHeight = (height + withdrawDelay)
109
+
            if (isDefined(getString(this, collectKey(toString(invoke.caller), amount, allowToWithDrawHeight))))
110
+
                then throw("You have already started withdrawal process, wait next block.")
111
+
                else [IntegerEntry(balanceKey, (currentClientBalance - toWithdrawWithoutFee)), IntegerEntry(balanceWithFeeKey, (currentClientBalanceWithFee - toWithdrawWithFee)), StringEntry(collectKey(toString(invoke.caller), amount, allowToWithDrawHeight), makeString(["not_withdrawn", toString((amount - fee))], "_"))]
112
+
            }
80
113
 
    }
81
114
 
82
115
 
83
116
 
84
-
@Callable(contextObj)
85
-
func swapUSDNtoUSDT (amountToSwapInKey,heightInKey) = {
86
-
    let key = collectKey(contextObj.caller, amountToSwapInKey, heightInKey)
87
-
    let withdrawnInfo =     match getString(this, key) {
88
-
        case withdrawnInfo: String => 
89
-
            getStringValue(this, key)
90
-
        case _ => 
91
-
            throw(((("this key doesn't exists " + key) + " at address  ") + toString(this)))
92
-
    }
117
+
@Callable(invoke)
118
+
func swapUSDNtoUSDT (amount,heightInKey) = {
119
+
    let key = collectKey(toString(invoke.caller), amount, heightInKey)
120
+
    let withdrawnInfo = valueOrErrorMessage(getString(this, key), ((("This key doesn't exists " + key) + " at address  ") + toString(this)))
121
+
    let toWithdraw = getListElementOrDefault(split(withdrawnInfo, "_"), 2, toString(amount))
93
122
 
    if (if ((height >= heightInKey))
94
-
        then (withdrawnInfo == "not_withdrawn")
123
+
        then contains(withdrawnInfo, "not_withdrawn")
95
124
 
        else false)
96
-
        then ScriptResult(WriteSet([DataEntry(key, "withdrawn")]), TransferSet([ScriptTransfer(contextObj.caller, amountToSwapInKey, idUSDT)]))
97
-
        else throw((("withdrawal is possible after " + toString(heightInKey)) + " height or you have already withdrawn USDT"))
125
+
        then [DeleteEntry(key), ScriptTransfer(invoke.caller, valueOrErrorMessage(parseInt(toWithdraw), "Wrong withdraw data!"), idUSDT)]
126
+
        else throw((("Withdrawal is possible after " + toString(heightInKey)) + " height or you have already withdrawn USDT."))
98
127
 
    }
99
128
 
100
129
 

github/deemru/w8io/3ef1775 
44.88 ms ◑