tx · 4yzfD4RdLap4KYBtrPptUSzhAA2VqorJXnTqvPr4FQoY

3NBCBtA1F4m6tBir7JX2dUtDNt4ujmHH5NA:  -0.02000000 Waves

2020.07.03 18:19 [1071074] smart account 3NBCBtA1F4m6tBir7JX2dUtDNt4ujmHH5NA > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "4yzfD4RdLap4KYBtrPptUSzhAA2VqorJXnTqvPr4FQoY",
    "fee": 2000000,
    "feeAssetId": null,
    "timestamp": 1593789640778,
    "version": 1,
    "sender": "3NBCBtA1F4m6tBir7JX2dUtDNt4ujmHH5NA",
    "senderPublicKey": "Aj2RvtYHTSnDfcwYBCD5ZEwG3V483xJe2L1n13KPsi3a",
    "proofs": [
        "5tKS1ejFXVhEC7cJiYac4rEXbKhZYSfN8SvrnUPMLRqmBGEoxWRt21SkeP38jyfnK7t8ViqdGuYUhUtYnQhvuRuh"
    ],
    "script": "base64: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",
    "chainId": 84,
    "height": 1071074,
    "spentComplexity": 0
}

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1
 
{-# STDLIB_VERSION 3 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
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func decodeInt8 (data,offset) = if ((1 > size(data)))
5
-
    then throw("decode u8 error, data must be at least 1 byte")
6
-
    else if ((offset > size(data)))
7
-
        then throw("decode u8 error, decoding is finish")
8
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        else {
9
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            let x0 = take(drop(data, offset), 1)
10
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            let x1 = toInt((base58'1111111' + x0), 0)
11
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            if ((128 > x1))
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                then [x1, (offset + 1)]
13
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                else [toInt((base58'Ahg1opVcGW' + x0), 0), (offset + 1)]
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            }
15
-
16
-
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func decodeInt16 (data,offset) = if ((2 > size(data)))
18
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    then throw("decode u16 error, data must be at least 2 bytes")
19
-
    else if ((offset > size(data)))
20
-
        then throw("decode u16 error, decoding is finish")
21
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        else {
22
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            let x0 = drop(data, offset)
23
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            let x1 = take(x0, 1)
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            let x2 = take(drop(x0, 1), 1)
25
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            if ((decodeInt8(x2, 0)[0] >= 0))
26
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                then [toInt(((base58'111111' + x2) + x1), 0), (offset + 2)]
27
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                else [toInt(((base58'3CUsUpv9t' + x2) + x1), 0), (offset + 2)]
28
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            }
29
-
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-
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-
func decodeInt32 (data,offset) = if ((4 > size(data)))
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-
    then throw("decode u32 error, data must be at least 4 bytes")
33
-
    else if ((offset > size(data)))
34
-
        then throw("decode u32 error, decoding is finish")
35
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        else {
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            let x0 = drop(data, offset)
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            let x1 = take(x0, 1)
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            let x2 = take(drop(x0, 1), 1)
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            let x3 = take(drop(x0, 2), 1)
40
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            let x4 = take(drop(x0, 3), 1)
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            if ((decodeInt8(x4, 0)[0] >= 0))
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                then [toInt(((((base58'1111' + x4) + x3) + x2) + x1), 0), (offset + 4)]
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                else [toInt(((((base58'7YXq9G' + x4) + x3) + x2) + x1), 0), (offset + 4)]
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            }
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-
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func decodeInt64 (data,offset) = if ((8 > size(data)))
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-
    then throw("decode u32 error, data must be at least 8 bytes")
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    else if ((offset > size(data)))
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        then throw("decode u32 error, decoding is finish")
51
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        else {
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            let x0 = drop(data, offset)
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            let x1 = take(x0, 1)
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            let x2 = take(drop(x0, 1), 1)
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            let x3 = take(drop(x0, 2), 1)
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            let x4 = take(drop(x0, 3), 1)
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            let x5 = take(drop(x0, 4), 1)
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            let x6 = take(drop(x0, 5), 1)
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            let x7 = take(drop(x0, 6), 1)
60
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            let x8 = take(drop(x0, 7), 1)
61
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[toInt((((((((x8 + x7) + x6) + x5) + x4) + x3) + x2) + x1), 0), (offset + 8)]
62
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            }
63
-
64
-
65
-
func decodeString (data,offset) = {
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    let decoded1 = decodeInt32(data, offset)
67
-
    let bytesSize = decoded1[0]
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    let nextOffset = decoded1[1]
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[DataEntry("string", toUtf8String(take(drop(data, nextOffset), bytesSize))), DataEntry("int", (nextOffset + bytesSize))]
70
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    }
71
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-
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func getAsString (tuple) = match tuple[0].value {
74
-
    case s: String => 
75
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        s
4
+
func getBridgeAddress () = match addressFromString("3N54eKW5ZucDaRaGVUfzX8xRXv6Ve8M71tM") {
5
+
    case a: Address => 
6
+
        a
76
7
 
    case _ => 
77
-
        throw("not a String")
8
+
        throw("fail to get bridge address")
78
9
 
}
79
10
 
80
11
 
81
-
func getOffset (tuple) = match tuple[1].value {
82
-
    case i: Int => 
83
-
        i
84
-
    case _ => 
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-
        throw("not a Int")
86
-
}
87
-
88
-
89
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@Callable(contextObj)
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func init (bridgeAddress) = if ((contextObj.caller != this))
91
-
    then throw("permission denied")
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-
    else     match getInteger(this, "latestRequestId") {
93
-
        case latestRequestId: Int => 
94
-
            throw("already init")
95
-
        case _ => 
96
-
            match getInteger(this, "latestWavesPrice") {
97
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                case latestWavesPrice: Int => 
98
-
                    throw("already init")
99
-
                case _ => 
100
-
                    WriteSet([DataEntry("oracleScriptId", 1), DataEntry("symbol", "WAVES"), DataEntry("multiplier", 100), DataEntry("latestRequestId", 0), DataEntry("latestWavesPrice", 0)])
101
-
            }
102
-
    }
103
-
104
-
105
-
106
-
@Callable(contextObj)
107
-
func setBridge (bridgeAddress) = if ((contextObj.caller != this))
108
-
    then throw("permission denied")
109
-
    else WriteSet([DataEntry("bridge", bridgeAddress)])
110
-
111
-
112
-
113
-
@Callable(contextObj)
114
-
func setLatestWavesPrice (requestId) = {
115
-
    let bridge = Address(getBinaryValue(this, "bridge"))
116
-
    if ((getIntegerValue(bridge, (toString(requestId) + "/oracleScriptId")) != getIntegerValue(this, "oracleScriptId")))
117
-
        then throw("incorrect oracleScriptId")
118
-
        else {
119
-
            let calldata = getBinaryValue(bridge, (toString(requestId) + "/calldata"))
120
-
            let tuple1 = decodeString(calldata, 0)
121
-
            let tuple2 = decodeInt64(calldata, getOffset(tuple1))
122
-
            let symbol = getAsString(tuple1)
123
-
            let multiplier = tuple2[0]
124
-
            if ((symbol != getStringValue(this, "symbol")))
125
-
                then throw("wrong symbol")
126
-
                else if ((multiplier != getIntegerValue(this, "multiplier")))
127
-
                    then throw("wrong multiplier")
128
-
                    else if ((getIntegerValue(this, "latestRequestId") >= requestId))
129
-
                        then throw("requestId is not new")
130
-
                        else {
131
-
                            let result = getBinaryValue(bridge, (toString(requestId) + "/result"))
132
-
                            let price = decodeInt64(result, 0)[0]
133
-
                            WriteSet([DataEntry("latestWavesPrice", price), DataEntry("latestRequestId", requestId)])
134
-
                            }
135
-
            }
136
-
    }
12
+
@Callable(i)
13
+
func readFromBridge (symbol) = if (if (if ((symbol != "BTC"))
14
+
    then (symbol != "WAVES")
15
+
    else false)
16
+
    then (symbol != "ETH")
17
+
    else false)
18
+
    then throw("Invalid symbol")
19
+
    else {
20
+
        let price = getIntegerValue(getBridgeAddress(), (symbol + "/value"))
21
+
        WriteSet([DataEntry((symbol + "/price"), price)])
22
+
        }
137
23
 
138
24
 

github/deemru/w8io/3ef1775 
48.86 ms ◑