2022.08.02 10:49 [3232102] smart account 3PGDBqydxV1QvutiaoHaZy1xxcMojQeY66e > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "FPJuXBY3ntpWRCGwQwXcStGZBSv3YZ6ZWj1MouhB5i31",
    "fee": 200000,
    "feeAssetId": null,
    "timestamp": 1659426610562,
    "version": 2,
    "chainId": 87,
    "sender": "3PGDBqydxV1QvutiaoHaZy1xxcMojQeY66e",
    "senderPublicKey": "G9iQ91rKzdTCnf9YCZtYqbpjWQZmFKikSjLF6QbBLpHP",
    "proofs": [
        "2ENbXiFPzZqs7eoST3WCUTPPES88uUMiJdstHRkZjCNWWFfPmbmdKRNJ8wTZoZWwaZQeMmBj52zbgQDKniSWYtpt"
    ],
    "script": "base64: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",
    "height": 3232102,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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{-# STDLIB_VERSION 5 #-}
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{-# SCRIPT_TYPE ACCOUNT #-}
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{-# CONTENT_TYPE DAPP #-}
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func tryGetString (key) = {
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    let val =     match getString(this, key) {
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        case b: String => 
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            b
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        case _ => 
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            ""
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    }
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    val
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    }
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func tryGetInteger (key) = {
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    let val =     match getInteger(this, key) {
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        case b: Int => 
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            b
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        case _ => 
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            0
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    }
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    val
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    }
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func isOwner (address) = (address == this)
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let COURS_CERTIFICATE_TILE_TEXT = "NFT Certificate"
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let COURS_CERTIFICATE_DESCRIPTION_LEFT_TEXT = "This NFT certificate certifies the completion of the course for a user with a wallet address of "
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let COURS_CERTIFICATE_DESCRIPTION_RIGHT_TEXT = ". The user has gained in-depth knowledge in understanding the operation of the blockchain, interacting with the exchange, and successfully passed the course exams."
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func getCoursCertificateDescription (address) = ((COURS_CERTIFICATE_DESCRIPTION_LEFT_TEXT + address) + COURS_CERTIFICATE_DESCRIPTION_RIGHT_TEXT)
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let COURS_ERROR_CERTIFICATE_ALREADY_ISSUED_TEXT = "A certificate has already been issued at your address"
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@Callable(i)
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func issueNFT () = {
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    let key = ("history_" + toString(i.caller))
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    if ((tryGetString(key) == ""))
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        then $Tuple2([StringEntry(("history_" + toString(i.caller)), "true"), Issue(COURS_CERTIFICATE_TILE_TEXT, getCoursCertificateDescription(toString(i.caller)), 1, 0, false)], unit)
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        else throw(COURS_ERROR_CERTIFICATE_ALREADY_ISSUED_TEXT)
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    }
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github/deemru/w8io/786bc32 
22.87 ms ◑