tx · 3n2HcruJA9A79BNtAGsxDVBwNtYRqAYuz8uT2KA1fsBL

3N7tDGBERHX8hZPog5p5zTGjNzZvj7aLPF6:  -0.01000000 Waves

2019.10.04 13:22 [704850] smart account 3N7tDGBERHX8hZPog5p5zTGjNzZvj7aLPF6 > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "3n2HcruJA9A79BNtAGsxDVBwNtYRqAYuz8uT2KA1fsBL",
    "fee": 1000000,
    "feeAssetId": null,
    "timestamp": 1570184190524,
    "version": 1,
    "sender": "3N7tDGBERHX8hZPog5p5zTGjNzZvj7aLPF6",
    "senderPublicKey": "AgxrCgq9yUfDgjTjmXbekkru1HsRMn6CbmqPzdV5F4Rj",
    "proofs": [
        "5ESdTgf5PAm3LfdEDuZQvtaJhHQDDMEj46vaitE2ugHapvNavcjw9XGDoNd6pXGmPmDrUoibCpA9WdSmqAoVhCxB"
    ],
    "script": "base64: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",
    "chainId": 84,
    "height": 704850,
    "spentComplexity": 0
}

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Old
New
Differences
1
-
# no script
1
+
{-# STDLIB_VERSION 3 #-}
2
+
{-# SCRIPT_TYPE ACCOUNT #-}
3
+
{-# CONTENT_TYPE DAPP #-}
4
+
let owner = base58'3N3FVhMzaZRoXmBR4fKKaVPC3MuquNGFr2X'
5
+
6
+
let IdTokenA = "WAVES"
7
+
8
+
let IdTokenB = "CV4vfjkevn3aJ4tKaMn9gPHugYztu6RhDw2ete34SxiV"
9
+
10
+
let comission = 11
11
+
12
+
let version = "0.0.0"
13
+
14
+
func assetId (asset) = if ((asset == "WAVES"))
15
+
    then unit
16
+
    else fromBase58String(asset)
17
+
18
+
19
+
let assetIdTokenA = assetId(IdTokenA)
20
+
21
+
let assetIdTokenB = assetId(IdTokenB)
22
+
23
+
@Callable(contextObj)
24
+
func fund () = {
25
+
    let payment =     match contextObj.payment {
26
+
        case p: AttachedPayment => 
27
+
            p
28
+
        case _ => 
29
+
            throw("Payment not attached")
30
+
    }
31
+
    let assetIdReceived = payment.assetId
32
+
    let tokenReceiveAmount = payment.amount
33
+
    if (if ((assetIdReceived == assetIdTokenA))
34
+
        then !(isDefined(getBoolean(this, "fundA")))
35
+
        else false)
36
+
        then if (isDefined(getBoolean(this, "fundB")))
37
+
            then WriteSet([DataEntry("amountTokenA", tokenReceiveAmount), DataEntry("fundA", true), DataEntry("exchange_count", 0), DataEntry("status", true), DataEntry("assetIdTokenA", IdTokenA), DataEntry("assetIdTokenB", IdTokenB), DataEntry("comission", comission), DataEntry("version", version), DataEntry("owner", toBase58String(owner))])
38
+
            else WriteSet([DataEntry("amountTokenA", tokenReceiveAmount), DataEntry("assetIdTokenA", IdTokenA), DataEntry("fundA", true)])
39
+
        else if (if ((assetIdReceived == assetIdTokenB))
40
+
            then !(isDefined(getBoolean(this, "fundB")))
41
+
            else false)
42
+
            then if (isDefined(getBoolean(this, "fundA")))
43
+
                then WriteSet([DataEntry("amountTokenB", tokenReceiveAmount), DataEntry("fundB", true), DataEntry("exchange_count", 0), DataEntry("status", true), DataEntry("assetIdTokenB", IdTokenB), DataEntry("assetIdTokenB", IdTokenB), DataEntry("comission", comission), DataEntry("version", version), DataEntry("owner", toBase58String(owner))])
44
+
                else WriteSet([DataEntry("amountTokenB", tokenReceiveAmount), DataEntry("assetIdTokenB", IdTokenB), DataEntry("fundB", true)])
45
+
            else throw("already funded or you try to fund with incorrect asset")
46
+
    }
47
+
48
+
49
+
50
+
@Callable(contextObj)
51
+
func replenishment () = {
52
+
    let payment =     match contextObj.payment {
53
+
        case p: AttachedPayment => 
54
+
            p
55
+
        case _ => 
56
+
            throw("Payment not attached")
57
+
    }
58
+
    let assetIdReceived = payment.assetId
59
+
    let tokenReceiveAmount = payment.amount
60
+
    if (if ((assetIdReceived == assetIdTokenA))
61
+
        then isDefined(getBoolean(this, "fundA"))
62
+
        else false)
63
+
        then {
64
+
            let amountTokenA = getIntegerValue(this, "amountTokenA")
65
+
            WriteSet([DataEntry("amountTokenA", (amountTokenA + tokenReceiveAmount))])
66
+
            }
67
+
        else if (if ((assetIdReceived == assetIdTokenB))
68
+
            then isDefined(getBoolean(this, "fundB"))
69
+
            else false)
70
+
            then {
71
+
                let amountTokenB = getIntegerValue(this, "amountTokenB")
72
+
                WriteSet([DataEntry("amountTokenB", (amountTokenB + tokenReceiveAmount))])
73
+
                }
74
+
            else throw("there was an error in the replenishment")
75
+
    }
76
+
77
+
78
+
79
+
@Callable(contextObj)
80
+
func exchanger (minTokenRecieve) = if (if ((0 > comission))
81
+
    then true
82
+
    else (comission > 100))
83
+
    then throw("incorrect comission value")
84
+
    else {
85
+
        let amountTokenB = getIntegerValue(this, "amountTokenB")
86
+
        let amountTokenA = getIntegerValue(this, "amountTokenA")
87
+
        let payment =         match contextObj.payment {
88
+
            case p: AttachedPayment => 
89
+
                p
90
+
            case _ => 
91
+
                throw("Payment not attached")
92
+
        }
93
+
        let assetIdReceived = payment.assetId
94
+
        let tokenReceiveAmount = payment.amount
95
+
        let count =         match getInteger(this, "exchange_count") {
96
+
            case i: Int => 
97
+
                value(getInteger(this, "exchange_count"))
98
+
            case _ => 
99
+
                0
100
+
        }
101
+
        if ((assetIdReceived == assetIdTokenB))
102
+
            then {
103
+
                let tokenSendAmount = ((fraction(amountTokenA, tokenReceiveAmount, (tokenReceiveAmount + amountTokenB)) * (100 - comission)) / 100)
104
+
                if ((minTokenRecieve > tokenSendAmount))
105
+
                    then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
106
+
                    else {
107
+
                        let assetIdSent = assetIdTokenA
108
+
                        ScriptResult(WriteSet([DataEntry("amountTokenA", (amountTokenA - tokenSendAmount)), DataEntry("amountTokenB", (amountTokenB + tokenReceiveAmount)), DataEntry("exchange_count", (count + 1))]), TransferSet([ScriptTransfer(contextObj.caller, tokenSendAmount, assetIdSent)]))
109
+
                        }
110
+
                }
111
+
            else if ((assetIdReceived == assetIdTokenA))
112
+
                then {
113
+
                    let tokenSendAmount = ((fraction(amountTokenB, tokenReceiveAmount, (tokenReceiveAmount + amountTokenA)) * (100 - comission)) / 100)
114
+
                    if ((minTokenRecieve > tokenSendAmount))
115
+
                        then throw("Price has changed dramaticaly. Receiving token amount don't satisfy specified price level")
116
+
                        else {
117
+
                            let assetIdSent = assetIdTokenB
118
+
                            ScriptResult(WriteSet([DataEntry("amountTokenA", (amountTokenA + tokenReceiveAmount)), DataEntry("amountTokenB", (amountTokenB - tokenSendAmount)), DataEntry("exchange_count", (count + 1))]), TransferSet([ScriptTransfer(contextObj.caller, tokenSendAmount, assetIdSent)]))
119
+
                            }
120
+
                    }
121
+
                else throw("Asset is not allowed")
122
+
        }
123
+
124
+
125
+
126
+
@Callable(contextObj)
127
+
func withdraw () = {
128
+
    let BalanceTokenA = assetBalance(this, assetIdTokenA)
129
+
    let BalanceTokenB = assetBalance(this, assetIdTokenB)
130
+
    if ((contextObj.caller.bytes == owner))
131
+
        then ScriptResult(WriteSet([DataEntry("amountTokenA", "withdrawn"), DataEntry("amountTokenB", "withdrawn"), DataEntry("status", false)]), TransferSet([ScriptTransfer(contextObj.caller, BalanceTokenA, assetIdTokenA), ScriptTransfer(contextObj.caller, BalanceTokenB, assetIdTokenB)]))
132
+
        else throw("You are not exchanger's owner")
133
+
    }
134
+
135
+
136
+
@Verifier(contextObj)
137
+
func verify () = false
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