tx · 8CfJRrbiFPx4hyb9GUP2pQy9asF8vnZ8SPUwgPVP3gD9

3MvCgypmBZFTRqL5HuRwCgS7maC7Fkv7pZY:  -0.01200000 Waves

2022.10.20 18:40 [2280924] smart account 3MvCgypmBZFTRqL5HuRwCgS7maC7Fkv7pZY > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "8CfJRrbiFPx4hyb9GUP2pQy9asF8vnZ8SPUwgPVP3gD9",
    "fee": 1200000,
    "feeAssetId": null,
    "timestamp": 1666280392700,
    "version": 2,
    "chainId": 84,
    "sender": "3MvCgypmBZFTRqL5HuRwCgS7maC7Fkv7pZY",
    "senderPublicKey": "BqGSAiYghM27RZ2Axx3bmTudq9koHT4575AeK31Wx2Pp",
    "proofs": [
        "FJU95k6WQva2hYwGUR1bSBaxUk7Js4cnTRovE4cGqhzS4hG1wLZyd4sbqW3vpWZM7YXJzDAZo3tR2XNWe6zmABt"
    ],
    "script": 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",
    "height": 2280924,
    "applicationStatus": "succeeded",
    "spentComplexity": 0
}

View: original | compacted
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Diff: 
Old
New
Differences
13
13
 
func key_entity (name,pk,property) = ((((name + "_") + pk) + "_") + property)
14
14
 
15
15
 
16
-
func key_Name_owner (node) = key_entity("Name", node, "owner")
16
+
func key_Token_name (tokenId) = key_entity("Token", tokenId, "name")
17
17
 
18
18
 
19
-
func key_Name_resolver (node) = key_entity("Name", node, "resolver")
19
+
func key_Name_token (name) = key_entity("Name", name, "token")
20
20
 
21
21
 
22
-
func key_Name_createdAt (node) = key_entity("Name", node, "createdAt")
22
+
func key_Name_owner (name) = key_entity("Name", name, "owner")
23
23
 
24
24
 
25
-
func _getOwner (node) = getString(this, key_Name_owner(node))
25
+
func key_Name_resolver (name) = key_entity("Name", name, "resolver")
26
26
 
27
27
 
28
-
func _setOwner (node,owner) = [StringEntry(key_Name_owner(node), owner)]
28
+
func key_Name_expiresAt (name) = key_entity("Name", name, "expiresAt")
29
29
 
30
30
 
31
-
func _getResolver (node) = getString(this, key_Name_resolver(node))
31
+
func key_Name_createdAt (name) = key_entity("Name", name, "createdAt")
32
32
 
33
33
 
34
-
func _setResolver (node,resolver) = [StringEntry(key_Name_resolver(node), resolver)]
34
+
let key_nameTTL = "nameTTL"
35
+
36
+
let key_controllers = "controllers"
37
+
38
+
func _setOwner (name,owner) = [StringEntry(key_Name_owner(name), owner)]
35
39
 
36
40
 
37
-
func _getCreatedAt (node) = getInteger(this, key_Name_createdAt(node))
41
+
func _getOwner (name) = getString(this, key_Name_owner(name))
38
42
 
39
43
 
40
-
func _setCreatedAt (node,createdAt) = [IntegerEntry(key_Name_createdAt(node), createdAt)]
44
+
func _setResolver (name,resolver) = [StringEntry(key_Name_resolver(name), resolver)]
45
+
46
+
47
+
func _getResolver (name) = getString(this, key_Name_resolver(name))
48
+
49
+
50
+
func _getToken (name) = getString(this, key_Name_token(name))
51
+
52
+
53
+
func _getCreatedAt (name) = getInteger(this, key_Name_createdAt(name))
54
+
55
+
56
+
func _getExpiresAt (name) = getInteger(this, key_Name_expiresAt(name))
57
+
58
+
59
+
func _getControllers () = getString(this, key_controllers)
60
+
61
+
62
+
let controllers = match _getControllers() {
63
+
    case repr: String => 
64
+
        split(repr, ",")
65
+
    case _ => 
66
+
        nil
67
+
}
68
+
69
+
let nameTTL = getIntegerOrThrow(this, key_nameTTL)
70
+
71
+
func isRegisteredName (name) = isDefined(getString(this, key_Name_token(name)))
72
+
73
+
74
+
func isCreatedName (name) = isDefined(_getCreatedAt(name))
75
+
76
+
77
+
func isExpiredName (name) = match _getExpiresAt(name) {
78
+
    case expiresAt: Int => 
79
+
        (lastBlock.timestamp > expiresAt)
80
+
    case _ => 
81
+
        false
82
+
}
83
+
84
+
85
+
func isActiveName (name) = if (if (isRegisteredName(name))
86
+
    then isCreatedName(name)
87
+
    else false)
88
+
    then !(isExpiredName(name))
89
+
    else false
90
+
91
+
92
+
func isValidName (name) = {
93
+
    let symbols = "abcdefghijklmnopqrstuvwxyz1234567890-"
94
+
    func validateChars (isValid,char) =     if (isValid)
95
+
        then contains(symbols, char)
96
+
        else false
97
+
98
+
    if (if (if (if (if ((size(name) > 0))
99
+
        then (63 >= size(name))
100
+
        else false)
101
+
        then (indexOf(name, "--") != 2)
102
+
        else false)
103
+
        then (indexOf(name, "-") != 0)
104
+
        else false)
105
+
        then (lastIndexOf(name, "-") != (size(name) - 1))
106
+
        else false)
107
+
        then {
108
+
            let $l = split(name, "")
109
+
            let $s = size($l)
110
+
            let $acc0 = true
111
+
            func $f0_1 ($a,$i) =             if (($i >= $s))
112
+
                then $a
113
+
                else validateChars($a, $l[$i])
114
+
115
+
            func $f0_2 ($a,$i) =             if (($i >= $s))
116
+
                then $a
117
+
                else throw("List size exceeds 63")
118
+
119
+
            $f0_2($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($acc0, 0), 1), 2), 3), 4), 5), 6), 7), 8), 9), 10), 11), 12), 13), 14), 15), 16), 17), 18), 19), 20), 21), 22), 23), 24), 25), 26), 27), 28), 29), 30), 31), 32), 33), 34), 35), 36), 37), 38), 39), 40), 41), 42), 43), 44), 45), 46), 47), 48), 49), 50), 51), 52), 53), 54), 55), 56), 57), 58), 59), 60), 61), 62), 63)
120
+
            }
121
+
        else false
122
+
    }
123
+
124
+
125
+
func isAvailableName (name) = if (isValidName(name))
126
+
    then if (!(isRegisteredName(name)))
127
+
        then true
128
+
        else isExpiredName(name)
129
+
    else false
130
+
131
+
132
+
func isValidAddress (maybeAddress) = isDefined(addressFromString(maybeAddress))
41
133
 
42
134
 
43
135
 
func isAdmin (inv) = (inv.caller == this)
44
136
 
45
137
 
46
-
func isOwner (inv,node) = (toString(inv.caller) == valueOrElse(_getOwner(node), ""))
138
+
func isOwner (inv,name) = (toString(inv.caller) == valueOrElse(_getOwner(name), ""))
47
139
 
48
140
 
49
-
func isValidAddress (maybeAddress) = isDefined(addressFromString(maybeAddress))
141
+
func isController (address) = containsElement(controllers, address)
50
142
 
51
143
 
52
144
 
func _splitLastLabel (name) = {
58
150
 
    }
59
151
 
60
152
 
61
-
func _supportedInterfaceAsString (registrant,interfaceId,restLabels) = match invoke(registrant, "supportsInterface", [interfaceId], nil) {
62
-
    case supportsInterface: Boolean => 
63
-
        if (!(supportsInterface))
64
-
            then unit
65
-
            else             match invoke(value(registrant), interfaceId, [restLabels], nil) {
66
-
                case mayBeString: String => 
67
-
                    mayBeString
68
-
                case _ => 
69
-
                    unit
70
-
            }
71
-
    case _ => 
72
-
        unit
73
-
}
153
+
func _issueNameToken (name) = [Issue(if ((size(name) > 16))
154
+
    then (take(name, 15) + "~")
155
+
    else take(name, 16), (name + ".waves"), 1, 0, false)]
74
156
 
75
157
 
76
-
func _supportedInterfaceAsInt (registrant,interfaceId,restLabels) = match invoke(registrant, "supportsInterface", [interfaceId], nil) {
77
-
    case supportsInterface: Boolean => 
78
-
        if (!(supportsInterface))
79
-
            then unit
80
-
            else             match invoke(value(registrant), interfaceId, [restLabels], nil) {
81
-
                case mayBeInt: Int => 
82
-
                    mayBeInt
83
-
                case _ => 
84
-
                    unit
85
-
            }
86
-
    case _ => 
87
-
        unit
88
-
}
158
+
func _registerNameWithToken (name,tokenId,createdAt) = [StringEntry(key_Name_token(name), tokenId), StringEntry(key_Token_name(tokenId), name), IntegerEntry(key_Name_createdAt(name), createdAt), IntegerEntry(key_Name_expiresAt(name), (createdAt + nameTTL))]
159
+
160
+
161
+
func _restoreNameWithToken (name,tokenId) = [StringEntry(key_Name_token(name), tokenId), StringEntry(key_Token_name(tokenId), name)]
162
+
163
+
164
+
func _transferTokenToOwner (tokenId,owner) = [ScriptTransfer(parseAddressOrThrow(owner), 1, fromBase58String(tokenId))]
89
165
 
90
166
 
91
167
 
func modifiers (validations) = unit
96
172
 
    else throw("Permission denied")
97
173
 
98
174
 
99
-
func onlyOwner (inv,node) = if (if (isAdmin(inv))
175
+
func onlyController (inv) = if (if (isAdmin(inv))
100
176
 
    then true
101
-
    else isOwner(inv, node))
177
+
    else isController(toString(inv.caller)))
178
+
    then unit
179
+
    else throw("Permission denied")
180
+
181
+
182
+
func onlyOwner (inv,name) = if (if (isAdmin(inv))
183
+
    then true
184
+
    else isOwner(inv, name))
102
185
 
    then unit
103
186
 
    else throw("Permission denied")
104
187
 
105
188
 
106
189
 
@Callable(inv)
107
-
func setOwner (node,owner) = valueOrElse(modifiers([onlyOwner(inv, node), if (isValidAddress(owner))
190
+
func init (nameTTL) = valueOrElse(modifiers([onlyAdmin(inv), if ((nameTTL > 0))
108
191
 
    then unit
109
-
    else throw("Owner must be a valid address")]), _setOwner(node, owner))
192
+
    else throw("TTL cannot be negative")]), [IntegerEntry(key_nameTTL, nameTTL)])
110
193
 
111
194
 
112
195
 
113
196
 
@Callable(inv)
114
-
func owner (node) = $Tuple2(nil, _getOwner(node))
197
+
func supportsInterface (interfaceId) = $Tuple2(nil, containsElement(["owner", "resolver", "nameCreated", "nameExpires"], interfaceId))
115
198
 
116
199
 
117
200
 
118
201
 
@Callable(inv)
119
-
func resolver (node) = $Tuple2(nil, _getResolver(node))
202
+
func addController (address) = valueOrElse(modifiers([onlyAdmin(inv), if (isValidAddress(address))
203
+
    then unit
204
+
    else throw("Controller must be a valid address"), if (!(isController(address)))
205
+
    then unit
206
+
    else throw((("Controller `" + address) + "` is already registered"))]), [StringEntry(key_controllers, makeString((controllers :+ address), ","))])
120
207
 
121
208
 
122
209
 
123
210
 
@Callable(inv)
124
-
func setResolver (node,resolver) = valueOrElse(modifiers([onlyOwner(inv, node), if (isValidAddress(resolver))
211
+
func removeController (address) = valueOrElse(modifiers([onlyAdmin(inv), if (isController(address))
125
212
 
    then unit
126
-
    else throw("Resolver must be a valid contract address")]), _setResolver(node, resolver))
213
+
    else throw((("Controller `" + address) + "` is not registered"))]), {
214
+
    let controllerIndex = value(indexOf(controllers, address))
215
+
[StringEntry(key_controllers, makeString(removeByIndex(controllers, controllerIndex), ","))]
216
+
    })
127
217
 
128
218
 
129
219
 
130
220
 
@Callable(inv)
131
-
func nameCreated (node) = $Tuple2(nil, _getCreatedAt(node))
221
+
func validate (name) = $Tuple2(nil, isValidName(name))
132
222
 
133
223
 
134
224
 
135
225
 
@Callable(inv)
136
-
func setRecord (node,owner,resolver) = valueOrElse(modifiers([onlyAdmin(inv)]), ((_setOwner(node, owner) ++ _setResolver(node, resolver)) ++ _setCreatedAt(node, lastBlock.timestamp)))
226
+
func available (name) = $Tuple2(nil, isAvailableName(name))
137
227
 
138
228
 
139
229
 
140
230
 
@Callable(inv)
141
-
func whoIs (name) = valueOrElse(modifiers([if ((size(name) > 0))
231
+
func owner (name) = $Tuple2(nil, _getOwner(_splitLastLabel(name)._1))
232
+
233
+
234
+
235
+
@Callable(inv)
236
+
func resolver (name) = $Tuple2(nil, _getResolver(_splitLastLabel(name)._1))
237
+
238
+
239
+
240
+
@Callable(inv)
241
+
func setResolver (name,resolver) = valueOrElse(modifiers([if (isActiveName(name))
142
242
 
    then unit
143
-
    else throw("Name cannot be empty")]), {
144
-
    let $t047164767 = _splitLastLabel(name)
145
-
    let lastLabel = $t047164767._1
146
-
    let restLabels = $t047164767._2
147
-
    let registrantAddress = _getOwner(lastLabel)
148
-
    let registrant =     match registrantAddress {
149
-
        case owner: String => 
150
-
            addressFromString(owner)
243
+
    else throw("Name expired or not registered"), onlyOwner(inv, name), if (isValidAddress(resolver))
244
+
    then unit
245
+
    else throw("Resolver must be a valid contract address")]), $Tuple2(nil, _setResolver(name, resolver)))
246
+
247
+
248
+
249
+
@Callable(inv)
250
+
func nameCreated (name) = $Tuple2(nil, _getCreatedAt(_splitLastLabel(name)._1))
251
+
252
+
253
+
254
+
@Callable(inv)
255
+
func nameExpires (name) = $Tuple2(nil, _getExpiresAt(_splitLastLabel(name)._1))
256
+
257
+
258
+
259
+
@Callable(inv)
260
+
func register (name,owner,createdAt) = valueOrElse(modifiers([onlyController(inv), if (isAvailableName(name))
261
+
    then unit
262
+
    else throw((("`" + name) + "` cannot be registered")), if (isValidAddress(owner))
263
+
    then unit
264
+
    else throw("Owner must be a valid address"), if ((createdAt > 0))
265
+
    then unit
266
+
    else throw("CreatedAt cannot be negative"), if ((lastBlock.timestamp >= createdAt))
267
+
    then unit
268
+
    else throw("CreatedAt cannot be in the future")]), {
269
+
    let issueNameToken = _issueNameToken(name)
270
+
    let tokenId = calculateAssetId(issueNameToken[0])
271
+
    let tokenStr = toBase58String(tokenId)
272
+
    let registerNameWithToken = _registerNameWithToken(name, tokenStr, createdAt)
273
+
    let transferTokenToOwner = _transferTokenToOwner(tokenStr, owner)
274
+
    let setOwnership = _setOwner(name, owner)
275
+
    (((issueNameToken ++ registerNameWithToken) ++ transferTokenToOwner) ++ setOwnership)
276
+
    })
277
+
278
+
279
+
280
+
@Callable(inv)
281
+
func reclaim (name) = valueOrElse(modifiers([if (isActiveName(name))
282
+
    then unit
283
+
    else throw((("`" + name) + "` is not active"))]), {
284
+
    let newOwner = inv.caller
285
+
    let newOwnerAddress = toString(newOwner)
286
+
    let tokenStr = valueOrErrorMessage(_getToken(name), (("No token is issued for `" + name) + "`"))
287
+
    let tokenId = fromBase58String(tokenStr)
288
+
    let hasToken = (assetBalance(newOwner, tokenId) == 1)
289
+
    let isTokenOwner = isOwner(inv, name)
290
+
    let isTokenExists =     match assetInfo(tokenId) {
291
+
        case token: Asset => 
292
+
            (token.quantity == 1)
151
293
 
        case _ => 
152
-
            unit
294
+
            false
153
295
 
    }
154
-
    let parentResolver = _getResolver(lastLabel)
155
-
    let parentCreated = _getCreatedAt(lastLabel)
156
-
    let owner = _supportedInterfaceAsString(value(registrant), "owner", restLabels)
157
-
    let resolver = _supportedInterfaceAsString(value(registrant), "resolver", restLabels)
158
-
    let nameCreated = _supportedInterfaceAsInt(value(registrant), "nameCreated", restLabels)
159
-
    let nameExpires = _supportedInterfaceAsInt(value(registrant), "nameExpires", restLabels)
160
-
    let isRootName = if ((size(lastLabel) > 0))
161
-
        then (size(restLabels) == 0)
162
-
        else false
163
-
    if (if (isRootName)
164
-
        then true
165
-
        else !(isDefined(registrant)))
166
-
        then $Tuple2(nil, $Tuple4(registrantAddress, parentResolver, parentCreated, unit))
167
-
        else $Tuple2(nil, $Tuple4(        match owner {
168
-
            case owner: String => 
169
-
                owner
170
-
            case _ => 
171
-
                registrantAddress
172
-
        },         match resolver {
173
-
            case resolver: String => 
174
-
                resolver
175
-
            case _ => 
176
-
                parentResolver
177
-
        },         match nameCreated {
178
-
            case nameCreated: Int => 
179
-
                nameCreated
180
-
            case _ => 
181
-
                parentCreated
182
-
        }, nameExpires))
296
+
    if (if (isTokenOwner)
297
+
        then !(isTokenExists)
298
+
        else false)
299
+
        then {
300
+
            let issueNewToken = _issueNameToken(name)
301
+
            let newTokenId = calculateAssetId(issueNewToken[0])
302
+
            let newTokenStr = toBase58String(newTokenId)
303
+
            let restoreNameWithNewToken = _restoreNameWithToken(name, newTokenStr)
304
+
            let transferNewTokenToOwner = _transferTokenToOwner(newTokenStr, newOwnerAddress)
305
+
            ((issueNewToken ++ restoreNameWithNewToken) ++ transferNewTokenToOwner)
306
+
            }
307
+
        else if (if (isTokenOwner)
308
+
            then hasToken
309
+
            else false)
310
+
            then throw("You already own a name token")
311
+
            else if (!(hasToken))
312
+
                then throw("You don't have a name token")
313
+
                else _setOwner(name, newOwnerAddress)
183
314
 
    })
184
315
 
185
316
 

Full: 
Old
New
Differences
1
1
 
{-# STDLIB_VERSION 5 #-}
2
2
 
{-# SCRIPT_TYPE ACCOUNT #-}
3
3
 
{-# CONTENT_TYPE DAPP #-}
4
4
 
func getStringOrThrow (address,key) = valueOrErrorMessage(getString(address, key), ((("Can't read '" + key) + "' at address ") + toString(address)))
5
5
 
6
6
 
7
7
 
func getIntegerOrThrow (address,key) = valueOrErrorMessage(getInteger(address, key), ((("Can't read '" + key) + "' at address ") + toString(address)))
8
8
 
9
9
 
10
10
 
func parseAddressOrThrow (maybeAddress) = valueOrErrorMessage(addressFromString(maybeAddress), (("Can't parse address from '" + maybeAddress) + "'"))
11
11
 
12
12
 
13
13
 
func key_entity (name,pk,property) = ((((name + "_") + pk) + "_") + property)
14
14
 
15
15
 
16
-
func key_Name_owner (node) = key_entity("Name", node, "owner")
16
+
func key_Token_name (tokenId) = key_entity("Token", tokenId, "name")
17
17
 
18
18
 
19
-
func key_Name_resolver (node) = key_entity("Name", node, "resolver")
19
+
func key_Name_token (name) = key_entity("Name", name, "token")
20
20
 
21
21
 
22
-
func key_Name_createdAt (node) = key_entity("Name", node, "createdAt")
22
+
func key_Name_owner (name) = key_entity("Name", name, "owner")
23
23
 
24
24
 
25
-
func _getOwner (node) = getString(this, key_Name_owner(node))
25
+
func key_Name_resolver (name) = key_entity("Name", name, "resolver")
26
26
 
27
27
 
28
-
func _setOwner (node,owner) = [StringEntry(key_Name_owner(node), owner)]
28
+
func key_Name_expiresAt (name) = key_entity("Name", name, "expiresAt")
29
29
 
30
30
 
31
-
func _getResolver (node) = getString(this, key_Name_resolver(node))
31
+
func key_Name_createdAt (name) = key_entity("Name", name, "createdAt")
32
32
 
33
33
 
34
-
func _setResolver (node,resolver) = [StringEntry(key_Name_resolver(node), resolver)]
34
+
let key_nameTTL = "nameTTL"
35
+
36
+
let key_controllers = "controllers"
37
+
38
+
func _setOwner (name,owner) = [StringEntry(key_Name_owner(name), owner)]
35
39
 
36
40
 
37
-
func _getCreatedAt (node) = getInteger(this, key_Name_createdAt(node))
41
+
func _getOwner (name) = getString(this, key_Name_owner(name))
38
42
 
39
43
 
40
-
func _setCreatedAt (node,createdAt) = [IntegerEntry(key_Name_createdAt(node), createdAt)]
44
+
func _setResolver (name,resolver) = [StringEntry(key_Name_resolver(name), resolver)]
45
+
46
+
47
+
func _getResolver (name) = getString(this, key_Name_resolver(name))
48
+
49
+
50
+
func _getToken (name) = getString(this, key_Name_token(name))
51
+
52
+
53
+
func _getCreatedAt (name) = getInteger(this, key_Name_createdAt(name))
54
+
55
+
56
+
func _getExpiresAt (name) = getInteger(this, key_Name_expiresAt(name))
57
+
58
+
59
+
func _getControllers () = getString(this, key_controllers)
60
+
61
+
62
+
let controllers = match _getControllers() {
63
+
    case repr: String => 
64
+
        split(repr, ",")
65
+
    case _ => 
66
+
        nil
67
+
}
68
+
69
+
let nameTTL = getIntegerOrThrow(this, key_nameTTL)
70
+
71
+
func isRegisteredName (name) = isDefined(getString(this, key_Name_token(name)))
72
+
73
+
74
+
func isCreatedName (name) = isDefined(_getCreatedAt(name))
75
+
76
+
77
+
func isExpiredName (name) = match _getExpiresAt(name) {
78
+
    case expiresAt: Int => 
79
+
        (lastBlock.timestamp > expiresAt)
80
+
    case _ => 
81
+
        false
82
+
}
83
+
84
+
85
+
func isActiveName (name) = if (if (isRegisteredName(name))
86
+
    then isCreatedName(name)
87
+
    else false)
88
+
    then !(isExpiredName(name))
89
+
    else false
90
+
91
+
92
+
func isValidName (name) = {
93
+
    let symbols = "abcdefghijklmnopqrstuvwxyz1234567890-"
94
+
    func validateChars (isValid,char) =     if (isValid)
95
+
        then contains(symbols, char)
96
+
        else false
97
+
98
+
    if (if (if (if (if ((size(name) > 0))
99
+
        then (63 >= size(name))
100
+
        else false)
101
+
        then (indexOf(name, "--") != 2)
102
+
        else false)
103
+
        then (indexOf(name, "-") != 0)
104
+
        else false)
105
+
        then (lastIndexOf(name, "-") != (size(name) - 1))
106
+
        else false)
107
+
        then {
108
+
            let $l = split(name, "")
109
+
            let $s = size($l)
110
+
            let $acc0 = true
111
+
            func $f0_1 ($a,$i) =             if (($i >= $s))
112
+
                then $a
113
+
                else validateChars($a, $l[$i])
114
+
115
+
            func $f0_2 ($a,$i) =             if (($i >= $s))
116
+
                then $a
117
+
                else throw("List size exceeds 63")
118
+
119
+
            $f0_2($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($f0_1($acc0, 0), 1), 2), 3), 4), 5), 6), 7), 8), 9), 10), 11), 12), 13), 14), 15), 16), 17), 18), 19), 20), 21), 22), 23), 24), 25), 26), 27), 28), 29), 30), 31), 32), 33), 34), 35), 36), 37), 38), 39), 40), 41), 42), 43), 44), 45), 46), 47), 48), 49), 50), 51), 52), 53), 54), 55), 56), 57), 58), 59), 60), 61), 62), 63)
120
+
            }
121
+
        else false
122
+
    }
123
+
124
+
125
+
func isAvailableName (name) = if (isValidName(name))
126
+
    then if (!(isRegisteredName(name)))
127
+
        then true
128
+
        else isExpiredName(name)
129
+
    else false
130
+
131
+
132
+
func isValidAddress (maybeAddress) = isDefined(addressFromString(maybeAddress))
41
133
 
42
134
 
43
135
 
func isAdmin (inv) = (inv.caller == this)
44
136
 
45
137
 
46
-
func isOwner (inv,node) = (toString(inv.caller) == valueOrElse(_getOwner(node), ""))
138
+
func isOwner (inv,name) = (toString(inv.caller) == valueOrElse(_getOwner(name), ""))
47
139
 
48
140
 
49
-
func isValidAddress (maybeAddress) = isDefined(addressFromString(maybeAddress))
141
+
func isController (address) = containsElement(controllers, address)
50
142
 
51
143
 
52
144
 
func _splitLastLabel (name) = {
53
145
 
    let labels = split(name, ".")
54
146
 
    let lastIndex = (size(labels) - 1)
55
147
 
    let lastLabel = labels[lastIndex]
56
148
 
    let restLabels = makeString(removeByIndex(labels, lastIndex), ".")
57
149
 
    $Tuple2(lastLabel, restLabels)
58
150
 
    }
59
151
 
60
152
 
61
-
func _supportedInterfaceAsString (registrant,interfaceId,restLabels) = match invoke(registrant, "supportsInterface", [interfaceId], nil) {
62
-
    case supportsInterface: Boolean => 
63
-
        if (!(supportsInterface))
64
-
            then unit
65
-
            else             match invoke(value(registrant), interfaceId, [restLabels], nil) {
66
-
                case mayBeString: String => 
67
-
                    mayBeString
68
-
                case _ => 
69
-
                    unit
70
-
            }
71
-
    case _ => 
72
-
        unit
73
-
}
153
+
func _issueNameToken (name) = [Issue(if ((size(name) > 16))
154
+
    then (take(name, 15) + "~")
155
+
    else take(name, 16), (name + ".waves"), 1, 0, false)]
74
156
 
75
157
 
76
-
func _supportedInterfaceAsInt (registrant,interfaceId,restLabels) = match invoke(registrant, "supportsInterface", [interfaceId], nil) {
77
-
    case supportsInterface: Boolean => 
78
-
        if (!(supportsInterface))
79
-
            then unit
80
-
            else             match invoke(value(registrant), interfaceId, [restLabels], nil) {
81
-
                case mayBeInt: Int => 
82
-
                    mayBeInt
83
-
                case _ => 
84
-
                    unit
85
-
            }
86
-
    case _ => 
87
-
        unit
88
-
}
158
+
func _registerNameWithToken (name,tokenId,createdAt) = [StringEntry(key_Name_token(name), tokenId), StringEntry(key_Token_name(tokenId), name), IntegerEntry(key_Name_createdAt(name), createdAt), IntegerEntry(key_Name_expiresAt(name), (createdAt + nameTTL))]
159
+
160
+
161
+
func _restoreNameWithToken (name,tokenId) = [StringEntry(key_Name_token(name), tokenId), StringEntry(key_Token_name(tokenId), name)]
162
+
163
+
164
+
func _transferTokenToOwner (tokenId,owner) = [ScriptTransfer(parseAddressOrThrow(owner), 1, fromBase58String(tokenId))]
89
165
 
90
166
 
91
167
 
func modifiers (validations) = unit
92
168
 
93
169
 
94
170
 
func onlyAdmin (inv) = if (isAdmin(inv))
95
171
 
    then unit
96
172
 
    else throw("Permission denied")
97
173
 
98
174
 
99
-
func onlyOwner (inv,node) = if (if (isAdmin(inv))
175
+
func onlyController (inv) = if (if (isAdmin(inv))
100
176
 
    then true
101
-
    else isOwner(inv, node))
177
+
    else isController(toString(inv.caller)))
178
+
    then unit
179
+
    else throw("Permission denied")
180
+
181
+
182
+
func onlyOwner (inv,name) = if (if (isAdmin(inv))
183
+
    then true
184
+
    else isOwner(inv, name))
102
185
 
    then unit
103
186
 
    else throw("Permission denied")
104
187
 
105
188
 
106
189
 
@Callable(inv)
107
-
func setOwner (node,owner) = valueOrElse(modifiers([onlyOwner(inv, node), if (isValidAddress(owner))
190
+
func init (nameTTL) = valueOrElse(modifiers([onlyAdmin(inv), if ((nameTTL > 0))
108
191
 
    then unit
109
-
    else throw("Owner must be a valid address")]), _setOwner(node, owner))
192
+
    else throw("TTL cannot be negative")]), [IntegerEntry(key_nameTTL, nameTTL)])
110
193
 
111
194
 
112
195
 
113
196
 
@Callable(inv)
114
-
func owner (node) = $Tuple2(nil, _getOwner(node))
197
+
func supportsInterface (interfaceId) = $Tuple2(nil, containsElement(["owner", "resolver", "nameCreated", "nameExpires"], interfaceId))
115
198
 
116
199
 
117
200
 
118
201
 
@Callable(inv)
119
-
func resolver (node) = $Tuple2(nil, _getResolver(node))
202
+
func addController (address) = valueOrElse(modifiers([onlyAdmin(inv), if (isValidAddress(address))
203
+
    then unit
204
+
    else throw("Controller must be a valid address"), if (!(isController(address)))
205
+
    then unit
206
+
    else throw((("Controller `" + address) + "` is already registered"))]), [StringEntry(key_controllers, makeString((controllers :+ address), ","))])
120
207
 
121
208
 
122
209
 
123
210
 
@Callable(inv)
124
-
func setResolver (node,resolver) = valueOrElse(modifiers([onlyOwner(inv, node), if (isValidAddress(resolver))
211
+
func removeController (address) = valueOrElse(modifiers([onlyAdmin(inv), if (isController(address))
125
212
 
    then unit
126
-
    else throw("Resolver must be a valid contract address")]), _setResolver(node, resolver))
213
+
    else throw((("Controller `" + address) + "` is not registered"))]), {
214
+
    let controllerIndex = value(indexOf(controllers, address))
215
+
[StringEntry(key_controllers, makeString(removeByIndex(controllers, controllerIndex), ","))]
216
+
    })
127
217
 
128
218
 
129
219
 
130
220
 
@Callable(inv)
131
-
func nameCreated (node) = $Tuple2(nil, _getCreatedAt(node))
221
+
func validate (name) = $Tuple2(nil, isValidName(name))
132
222
 
133
223
 
134
224
 
135
225
 
@Callable(inv)
136
-
func setRecord (node,owner,resolver) = valueOrElse(modifiers([onlyAdmin(inv)]), ((_setOwner(node, owner) ++ _setResolver(node, resolver)) ++ _setCreatedAt(node, lastBlock.timestamp)))
226
+
func available (name) = $Tuple2(nil, isAvailableName(name))
137
227
 
138
228
 
139
229
 
140
230
 
@Callable(inv)
141
-
func whoIs (name) = valueOrElse(modifiers([if ((size(name) > 0))
231
+
func owner (name) = $Tuple2(nil, _getOwner(_splitLastLabel(name)._1))
232
+
233
+
234
+
235
+
@Callable(inv)
236
+
func resolver (name) = $Tuple2(nil, _getResolver(_splitLastLabel(name)._1))
237
+
238
+
239
+
240
+
@Callable(inv)
241
+
func setResolver (name,resolver) = valueOrElse(modifiers([if (isActiveName(name))
142
242
 
    then unit
143
-
    else throw("Name cannot be empty")]), {
144
-
    let $t047164767 = _splitLastLabel(name)
145
-
    let lastLabel = $t047164767._1
146
-
    let restLabels = $t047164767._2
147
-
    let registrantAddress = _getOwner(lastLabel)
148
-
    let registrant =     match registrantAddress {
149
-
        case owner: String => 
150
-
            addressFromString(owner)
243
+
    else throw("Name expired or not registered"), onlyOwner(inv, name), if (isValidAddress(resolver))
244
+
    then unit
245
+
    else throw("Resolver must be a valid contract address")]), $Tuple2(nil, _setResolver(name, resolver)))
246
+
247
+
248
+
249
+
@Callable(inv)
250
+
func nameCreated (name) = $Tuple2(nil, _getCreatedAt(_splitLastLabel(name)._1))
251
+
252
+
253
+
254
+
@Callable(inv)
255
+
func nameExpires (name) = $Tuple2(nil, _getExpiresAt(_splitLastLabel(name)._1))
256
+
257
+
258
+
259
+
@Callable(inv)
260
+
func register (name,owner,createdAt) = valueOrElse(modifiers([onlyController(inv), if (isAvailableName(name))
261
+
    then unit
262
+
    else throw((("`" + name) + "` cannot be registered")), if (isValidAddress(owner))
263
+
    then unit
264
+
    else throw("Owner must be a valid address"), if ((createdAt > 0))
265
+
    then unit
266
+
    else throw("CreatedAt cannot be negative"), if ((lastBlock.timestamp >= createdAt))
267
+
    then unit
268
+
    else throw("CreatedAt cannot be in the future")]), {
269
+
    let issueNameToken = _issueNameToken(name)
270
+
    let tokenId = calculateAssetId(issueNameToken[0])
271
+
    let tokenStr = toBase58String(tokenId)
272
+
    let registerNameWithToken = _registerNameWithToken(name, tokenStr, createdAt)
273
+
    let transferTokenToOwner = _transferTokenToOwner(tokenStr, owner)
274
+
    let setOwnership = _setOwner(name, owner)
275
+
    (((issueNameToken ++ registerNameWithToken) ++ transferTokenToOwner) ++ setOwnership)
276
+
    })
277
+
278
+
279
+
280
+
@Callable(inv)
281
+
func reclaim (name) = valueOrElse(modifiers([if (isActiveName(name))
282
+
    then unit
283
+
    else throw((("`" + name) + "` is not active"))]), {
284
+
    let newOwner = inv.caller
285
+
    let newOwnerAddress = toString(newOwner)
286
+
    let tokenStr = valueOrErrorMessage(_getToken(name), (("No token is issued for `" + name) + "`"))
287
+
    let tokenId = fromBase58String(tokenStr)
288
+
    let hasToken = (assetBalance(newOwner, tokenId) == 1)
289
+
    let isTokenOwner = isOwner(inv, name)
290
+
    let isTokenExists =     match assetInfo(tokenId) {
291
+
        case token: Asset => 
292
+
            (token.quantity == 1)
151
293
 
        case _ => 
152
-
            unit
294
+
            false
153
295
 
    }
154
-
    let parentResolver = _getResolver(lastLabel)
155
-
    let parentCreated = _getCreatedAt(lastLabel)
156
-
    let owner = _supportedInterfaceAsString(value(registrant), "owner", restLabels)
157
-
    let resolver = _supportedInterfaceAsString(value(registrant), "resolver", restLabels)
158
-
    let nameCreated = _supportedInterfaceAsInt(value(registrant), "nameCreated", restLabels)
159
-
    let nameExpires = _supportedInterfaceAsInt(value(registrant), "nameExpires", restLabels)
160
-
    let isRootName = if ((size(lastLabel) > 0))
161
-
        then (size(restLabels) == 0)
162
-
        else false
163
-
    if (if (isRootName)
164
-
        then true
165
-
        else !(isDefined(registrant)))
166
-
        then $Tuple2(nil, $Tuple4(registrantAddress, parentResolver, parentCreated, unit))
167
-
        else $Tuple2(nil, $Tuple4(        match owner {
168
-
            case owner: String => 
169
-
                owner
170
-
            case _ => 
171
-
                registrantAddress
172
-
        },         match resolver {
173
-
            case resolver: String => 
174
-
                resolver
175
-
            case _ => 
176
-
                parentResolver
177
-
        },         match nameCreated {
178
-
            case nameCreated: Int => 
179
-
                nameCreated
180
-
            case _ => 
181
-
                parentCreated
182
-
        }, nameExpires))
296
+
    if (if (isTokenOwner)
297
+
        then !(isTokenExists)
298
+
        else false)
299
+
        then {
300
+
            let issueNewToken = _issueNameToken(name)
301
+
            let newTokenId = calculateAssetId(issueNewToken[0])
302
+
            let newTokenStr = toBase58String(newTokenId)
303
+
            let restoreNameWithNewToken = _restoreNameWithToken(name, newTokenStr)
304
+
            let transferNewTokenToOwner = _transferTokenToOwner(newTokenStr, newOwnerAddress)
305
+
            ((issueNewToken ++ restoreNameWithNewToken) ++ transferNewTokenToOwner)
306
+
            }
307
+
        else if (if (isTokenOwner)
308
+
            then hasToken
309
+
            else false)
310
+
            then throw("You already own a name token")
311
+
            else if (!(hasToken))
312
+
                then throw("You don't have a name token")
313
+
                else _setOwner(name, newOwnerAddress)
183
314
 
    })
184
315
 
185
316
 

github/deemru/w8io/169f3d6 
55.62 ms ◑