tx · 41NK9egTzof6m5BsFvEVECqs9KRbPtrxZ4dziR3G18uA

3Mr6LNXTo2cMvNMrka9pV1pwHZFXVHULoue:  -0.01000000 Waves

2021.11.30 09:56 [1813450] smart account 3Mr6LNXTo2cMvNMrka9pV1pwHZFXVHULoue > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "41NK9egTzof6m5BsFvEVECqs9KRbPtrxZ4dziR3G18uA",
    "fee": 1000000,
    "feeAssetId": null,
    "timestamp": 1638255465197,
    "version": 2,
    "chainId": 84,
    "sender": "3Mr6LNXTo2cMvNMrka9pV1pwHZFXVHULoue",
    "senderPublicKey": "9tHFZ3PMkyXBYPkjU77RdMPEGBzfm7BWxfuHvGjgdrv5",
    "proofs": [
        "25XMXAUTcCyw23W2hZYZPj8wgXoyfw1yiuWiT3erHFfLCdncWBWFTJVKKcA4sztmy5fNCnBQC2vjus37zMbovWaR"
    ],
    "script": "base64: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",
    "height": 1813450,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Differences
1
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# no script
1
+
{-# STDLIB_VERSION 5 #-}
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{-# SCRIPT_TYPE ACCOUNT #-}
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{-# CONTENT_TYPE DAPP #-}
4
+
func priceKey (asset) = (asset + "_price")
5
+
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+
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func ownerKey (asset) = (asset + "_owner")
8
+
9
+
10
+
func tryGetInteger (key) = {
11
+
    let val =     match getInteger(this, key) {
12
+
        case b: Int => 
13
+
            b
14
+
        case _ => 
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+
            0
16
+
    }
17
+
    val
18
+
    }
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+
20
+
21
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func tryGetString (key) = {
22
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    let val =     match getString(this, key) {
23
+
        case b: String => 
24
+
            b
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+
        case _ => 
26
+
            ""
27
+
    }
28
+
    val
29
+
    }
30
+
31
+
32
+
@Callable(i)
33
+
func offerForSale (price) = {
34
+
    let firstPayment = value(i.payments[0])
35
+
    let assetId =     match firstPayment.assetId {
36
+
        case id: ByteVector => 
37
+
            id
38
+
        case w: Unit => 
39
+
            throw("Asset is not NFT")
40
+
        case _ => 
41
+
            throw("Match error")
42
+
    }
43
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    let assetIdStr = toBase58String(assetId)
44
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    let asset =     match assetInfo(assetId) {
45
+
        case a: Asset => 
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            a
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+
        case _ => 
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            throw("Error getting information about asset")
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    }
50
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    if (if (if ((asset.quantity != 1))
51
+
        then (asset.decimals != 0)
52
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        else false)
53
+
        then asset.reissuable
54
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        else false)
55
+
        then throw("Asset is not NFT")
56
+
        else [IntegerEntry(priceKey(assetIdStr), price), StringEntry(ownerKey(assetIdStr), toBase58String(i.caller.bytes))]
57
+
    }
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+
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+
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+
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@Callable(i)
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func buy (assetStr) = {
63
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    let price = tryGetInteger(priceKey(assetStr))
64
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    let ownerStr = tryGetString(ownerKey(assetStr))
65
+
    let owner =     match addressFromString(ownerStr) {
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+
        case a: Address => 
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+
            a
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+
        case _ => 
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+
            throw("Address parsing error")
70
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    }
71
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    let firstPayment = value(i.payments[0])
72
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    let firstPaymentBool =     match firstPayment.assetId {
73
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        case t: ByteVector => 
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            true
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        case w: Unit => 
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            false
77
+
        case _ => 
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            throw("Match error")
79
+
    }
80
+
    if ((price == 0))
81
+
        then throw("This NFT is not for sale")
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        else if (firstPaymentBool)
83
+
            then throw("Payment must be in Waves tokens only")
84
+
            else if ((price > firstPayment.amount))
85
+
                then throw("Insufficient funds")
86
+
                else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), ScriptTransfer(owner, price, unit), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr))]
87
+
    }
88
+
89
+
90
+
91
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@Callable(i)
92
+
func nftNoLongerForSale (assetStr) = {
93
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    let ownerStr = tryGetString(ownerKey(assetStr))
94
+
    let owner =     match addressFromString(ownerStr) {
95
+
        case a: Address => 
96
+
            a
97
+
        case _ => 
98
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            throw("Address parsing error")
99
+
    }
100
+
    if ((ownerStr != toBase58String(i.caller.bytes)))
101
+
        then throw("The calling address is not the owner of the NFT token")
102
+
        else [ScriptTransfer(i.caller, 1, fromBase58String(assetStr)), DeleteEntry(priceKey(assetStr)), DeleteEntry(ownerKey(assetStr))]
103
+
    }
104
+
105
+
106
+
@Verifier(tx)
107
+
func verify () = sigVerify(tx.bodyBytes, tx.proofs[0], tx.senderPublicKey)
108
+

github/deemru/w8io/873ac7e 
16.39 ms ◑