tx · 7WY1qii5a9eQQXEuTa1yQ8hQhZMcLb6rZfyub8U4BXY4

3MyY8HWSxxH8SLxnBHgYZQh26FVgybkTTp9:  -0.00200000 Waves

2022.07.29 14:04 [2161024] smart account 3MyY8HWSxxH8SLxnBHgYZQh26FVgybkTTp9 > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "7WY1qii5a9eQQXEuTa1yQ8hQhZMcLb6rZfyub8U4BXY4",
    "fee": 200000,
    "feeAssetId": null,
    "timestamp": 1659092678239,
    "version": 2,
    "chainId": 84,
    "sender": "3MyY8HWSxxH8SLxnBHgYZQh26FVgybkTTp9",
    "senderPublicKey": "69whdb3wz2NxWkDP633fGFWMnqmhZSDPJ5ThCu3x47jU",
    "proofs": [
        "2c8bKYzJ9iJu4GD6TjcRovQ9WwGgbX3EJh3x2qQ9xUhX1Nbgf3snpNUJTJ4RuScBnWHiCMZxFsq8aF9MMjb8cjc9"
    ],
    "script": "base64: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",
    "height": 2161024,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

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Diff: 
Old
New
Differences
37
37
 
38
38
 
let COURS_ERROR_CERTIFICATE_ALREADY_ISSUED_TEXT = "A certificate has already been issued at your address"
39
39
 
40
-
func addToHistory (address) = {
40
+
func addAddressToHistory (address) = [BooleanEntry(("history_" + toString(address)), true)]
41
+
42
+
43
+
func isAddressInHistory (address) = {
41
44
 
    let key = ("history_" + toString(address))
42
45
 
    if ((tryGetString(key) != ""))
43
-
        then throw(COURS_ERROR_CERTIFICATE_ALREADY_ISSUED_TEXT)
44
-
        else [BooleanEntry(key, true)]
46
+
        then true
47
+
        else false
45
48
 
    }
46
49
 
47
50
 
48
51
 
@Callable(i)
49
-
func issueNFT (address) = $Tuple2([Issue(COURS_CERTIFICATE_TILE_TEXT, getCoursCertificateDescription(address), 1, 0, false)], unit)
52
+
func issueNFT () = {
53
+
    let key = ("history_" + toString(i.caller))
54
+
    if ((tryGetString(key) == ""))
55
+
        then $Tuple2([BooleanEntry(("history_" + toString(i.caller)), true), Issue(COURS_CERTIFICATE_TILE_TEXT, getCoursCertificateDescription(toString(i.caller)), 1, 0, false)], unit)
56
+
        else throw(COURS_ERROR_CERTIFICATE_ALREADY_ISSUED_TEXT)
57
+
    }
50
58
 
51
59
 

Full: 
Old
New
Differences
1
1
 
{-# STDLIB_VERSION 5 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
4
 
func tryGetString (key) = {
5
5
 
    let val =     match getString(this, key) {
6
6
 
        case b: String => 
7
7
 
            b
8
8
 
        case _ => 
9
9
 
            ""
10
10
 
    }
11
11
 
    val
12
12
 
    }
13
13
 
14
14
 
15
15
 
func tryGetInteger (key) = {
16
16
 
    let val =     match getInteger(this, key) {
17
17
 
        case b: Int => 
18
18
 
            b
19
19
 
        case _ => 
20
20
 
            0
21
21
 
    }
22
22
 
    val
23
23
 
    }
24
24
 
25
25
 
26
26
 
func isOwner (address) = (address == this)
27
27
 
28
28
 
29
29
 
let COURS_CERTIFICATE_TILE_TEXT = "NFT Certificate"
30
30
 
31
31
 
let COURS_CERTIFICATE_DESCRIPTION_LEFT_TEXT = "This NFT certificate certifies the completion of the course for a user with a wallet address of "
32
32
 
33
33
 
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."
34
34
 
35
35
 
func getCoursCertificateDescription (address) = ((COURS_CERTIFICATE_DESCRIPTION_LEFT_TEXT + address) + COURS_CERTIFICATE_DESCRIPTION_RIGHT_TEXT)
36
36
 
37
37
 
38
38
 
let COURS_ERROR_CERTIFICATE_ALREADY_ISSUED_TEXT = "A certificate has already been issued at your address"
39
39
 
40
-
func addToHistory (address) = {
40
+
func addAddressToHistory (address) = [BooleanEntry(("history_" + toString(address)), true)]
41
+
42
+
43
+
func isAddressInHistory (address) = {
41
44
 
    let key = ("history_" + toString(address))
42
45
 
    if ((tryGetString(key) != ""))
43
-
        then throw(COURS_ERROR_CERTIFICATE_ALREADY_ISSUED_TEXT)
44
-
        else [BooleanEntry(key, true)]
46
+
        then true
47
+
        else false
45
48
 
    }
46
49
 
47
50
 
48
51
 
@Callable(i)
49
-
func issueNFT (address) = $Tuple2([Issue(COURS_CERTIFICATE_TILE_TEXT, getCoursCertificateDescription(address), 1, 0, false)], unit)
52
+
func issueNFT () = {
53
+
    let key = ("history_" + toString(i.caller))
54
+
    if ((tryGetString(key) == ""))
55
+
        then $Tuple2([BooleanEntry(("history_" + toString(i.caller)), true), Issue(COURS_CERTIFICATE_TILE_TEXT, getCoursCertificateDescription(toString(i.caller)), 1, 0, false)], unit)
56
+
        else throw(COURS_ERROR_CERTIFICATE_ALREADY_ISSUED_TEXT)
57
+
    }
50
58
 
51
59
 

github/deemru/w8io/026f985 
25.52 ms ◑