w8 · tx · 4a2···YN1

tx · 4a2cDu64bQgMpnYozKHBxabDH3kUCuzSkpGgHbs64YN1

3N7MT5t1Gmyb9tcpdoUrd47pxXtTkAcgLsR:  -0.01400000 Waves

2019.07.14 03:37 [584703] smart account 3N7MT5t1Gmyb9tcpdoUrd47pxXtTkAcgLsR > SELF 0.00000000 Waves

{
    "type": 13,
    "id": "4a2cDu64bQgMpnYozKHBxabDH3kUCuzSkpGgHbs64YN1",
    "fee": 1400000,
    "feeAssetId": null,
    "timestamp": 1563064661352,
    "version": 1,
    "sender": "3N7MT5t1Gmyb9tcpdoUrd47pxXtTkAcgLsR",
    "senderPublicKey": "Adn8NfJZ8ZXuWNMXb9VaY6X6kh6k6G3KMb1WQUesFUV",
    "proofs": [
        "2GV5SvtK5D6WHQeXxeXvGfTF3au3dD44g36wxmGcyGn9NYiKHY3ELCwNHjGNmmvinPi8DcspugG8X5pkRfcHtgPv"
    ],
    "script": "base64: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",
    "chainId": 84,
    "height": 584703,
    "spentComplexity": 0
}

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Diff: 
Old New Differences
106 106  
107 107  
108 108  @Callable(i)
109 + func withdraw () = {
110 +     let supplierAddress = toBase58String(i.caller.bytes)
111 +     let balance = getValueBalanceSupplier(supplierAddress)
112 +     if ((0 >= balance))
113 +         then throw("insufficient balance")
114 +         else ScriptResult(WriteSet([DataEntry(getKeyBalanceSupplier(supplierAddress), 0)]), TransferSet([ScriptTransfer(addressFromStringValue(supplierAddress), balance, unit)]))
115 +     }
116 + 
117 + 
118 + 
119 + @Callable(i)
109 120  func addItem (title,price,data) = {
110 121      let supplierAddress = toBase58String(i.caller.bytes)
111 122      let item = getKeyItem(supplierAddress, title)
Full: 
Old New Differences
1 1  {-# STDLIB_VERSION 3 #-}
2 2  {-# SCRIPT_TYPE ACCOUNT #-}
3 3  {-# CONTENT_TYPE DAPP #-}
4 4  let ownerPublicKey = base58'Adn8NfJZ8ZXuWNMXb9VaY6X6kh6k6G3KMb1WQUesFUV'
5 5  
6 6  let NONE = "none"
7 7  
8 8  func getNumberByKey (key) = {
9 9      let num =     match getInteger(this, key) {
10 10          case a: Int => 
11 11              a
12 12          case _ => 
13 13              0
14 14      }
15 15      num
16 16      }
17 17  
18 18  
19 19  func getStrByKey (key) = {
20 20      let str =     match getString(this, key) {
21 21          case a: String => 
22 22              a
23 23          case _ => 
24 24              NONE
25 25      }
26 26      str
27 27      }
28 28  
29 29  
30 30  func getKeyItemPrice (item) = (item + "_price")
31 31  
32 32  
33 33  func getValueItemPrice (item) = getNumberByKey(getKeyItemPrice(item))
34 34  
35 35  
36 36  func getKeyUserItemCounter (user,item) = (((item + "_") + user) + "_cnt")
37 37  
38 38  
39 39  func getValueUserItemCounter (user,item) = getNumberByKey(getKeyUserItemCounter(user, item))
40 40  
41 41  
42 42  func getKeyItem (supplier,title) = ("item_" + toBase58String(sha256(toBytes((supplier + title)))))
43 43  
44 44  
45 45  func getKeyItemData (item) = (item + "_data")
46 46  
47 47  
48 48  func getKeyItemSupplier (item) = (item + "_owner")
49 49  
50 50  
51 51  func getValueItemSupplier (item) = getStrByKey(getKeyItemSupplier(item))
52 52  
53 53  
54 54  func getKeyBalanceSupplier (account) = (account + "_balance")
55 55  
56 56  
57 57  func getValueBalanceSupplier (account) = getNumberByKey(getKeyBalanceSupplier(account))
58 58  
59 59  
60 60  func getKeyCommit (item,user) = (((item + "_") + user) + "_commit")
61 61  
62 62  
63 63  func getValueCommit (item,user) = getStrByKey(getKeyCommit(item, user))
64 64  
65 65  
66 66  func getKeyCommitsCount (item) = (item + "_comcnt")
67 67  
68 68  
69 69  func getValueCommitsCount (item) = getNumberByKey(getKeyCommitsCount(item))
70 70  
71 71  
72 72  func getKeyReveal (item,user) = (((item + "_") + user) + "_reveal")
73 73  
74 74  
75 75  func getValueReveal (item,user) = getStrByKey(getKeyReveal(item, user))
76 76  
77 77  
78 78  func getKeyItemStatus (item) = (item + "_status")
79 79  
80 80  
81 81  func getValueItemStatus (item) = getStrByKey(getKeyItemStatus(item))
82 82  
83 83  
84 84  func getKeyVoteCount (item,vote) = ((item + "_res:") + vote)
85 85  
86 86  
87 87  @Callable(i)
88 88  func purchase (item) = {
89 89      let pmt = extract(i.payment)
90 90      if (isDefined(pmt.assetId))
91 91          then throw("can use WAVES only at the moment")
92 92          else {
93 93              let userAddress = toBase58String(i.caller.bytes)
94 94              let price = getValueItemPrice(item)
95 95              let supplierAddress = getValueItemSupplier(item)
96 96              if ((price > pmt.amount))
97 97                  then throw("purchase amount cannot be less than item price")
98 98                  else if ((pmt.amount > price))
99 99                      then throw("purchase amount cannot be higher than item price")
100 100                      else if ((supplierAddress == NONE))
101 101                          then throw("supplier does not exist")
102 102                          else WriteSet([DataEntry(getKeyUserItemCounter(userAddress, item), (getValueUserItemCounter(userAddress, item) + 1)), DataEntry(getKeyBalanceSupplier(supplierAddress), (getValueBalanceSupplier(supplierAddress) + pmt.amount))])
103 103              }
104 104      }
105 105  
106 106  
107 107  
108 108  @Callable(i)
109 + func withdraw () = {
110 +     let supplierAddress = toBase58String(i.caller.bytes)
111 +     let balance = getValueBalanceSupplier(supplierAddress)
112 +     if ((0 >= balance))
113 +         then throw("insufficient balance")
114 +         else ScriptResult(WriteSet([DataEntry(getKeyBalanceSupplier(supplierAddress), 0)]), TransferSet([ScriptTransfer(addressFromStringValue(supplierAddress), balance, unit)]))
115 +     }
116 + 
117 + 
118 + 
119 + @Callable(i)
109 120  func addItem (title,price,data) = {
110 121      let supplierAddress = toBase58String(i.caller.bytes)
111 122      let item = getKeyItem(supplierAddress, title)
112 123      if ((0 >= price))
113 124          then throw("purchase amount cannot be less than item price")
114 125          else if ((getValueItemSupplier(item) != NONE))
115 126              then throw("an item is already exist")
116 127              else WriteSet([DataEntry(getKeyItemSupplier(item), supplierAddress), DataEntry(getKeyItemPrice(item), price), DataEntry(getKeyItemData(item), data)])
117 128      }
118 129  
119 130  
120 131  @Verifier(tx)
121 132  func verify () = match tx {
122 133      case d: SetScriptTransaction => 
123 134          sigVerify(tx.bodyBytes, tx.proofs[0], ownerPublicKey)
124 135      case d: DataTransaction => 
125 136          true
126 137      case _ => 
127 138          false
128 139  }
129 140

Old	New		Differences
106	106
107	107
108	108		@Callable(i)
	109	+	func withdraw () = {
	110	+	let supplierAddress = toBase58String(i.caller.bytes)
	111	+	let balance = getValueBalanceSupplier(supplierAddress)
	112	+	if ((0 >= balance))
	113	+	then throw("insufficient balance")
	114	+	else ScriptResult(WriteSet([DataEntry(getKeyBalanceSupplier(supplierAddress), 0)]), TransferSet([ScriptTransfer(addressFromStringValue(supplierAddress), balance, unit)]))
	115	+	}
	116	+
	117	+
	118	+
	119	+	@Callable(i)
109	120		func addItem (title,price,data) = {
110	121		let supplierAddress = toBase58String(i.caller.bytes)
111	122		let item = getKeyItem(supplierAddress, title)

Old	New		Differences
1	1		{-# STDLIB_VERSION 3 #-}
2	2		{-# SCRIPT_TYPE ACCOUNT #-}
3	3		{-# CONTENT_TYPE DAPP #-}
4	4		let ownerPublicKey = base58'Adn8NfJZ8ZXuWNMXb9VaY6X6kh6k6G3KMb1WQUesFUV'
5	5
6	6		let NONE = "none"
7	7
8	8		func getNumberByKey (key) = {
9	9		let num = match getInteger(this, key) {
10	10		case a: Int =>
11	11		a
12	12		case _ =>
13	13		0
14	14		}
15	15		num
16	16		}
17	17
18	18
19	19		func getStrByKey (key) = {
20	20		let str = match getString(this, key) {
21	21		case a: String =>
22	22		a
23	23		case _ =>
24	24		NONE
25	25		}
26	26		str
27	27		}
28	28
29	29
30	30		func getKeyItemPrice (item) = (item + "_price")
31	31
32	32
33	33		func getValueItemPrice (item) = getNumberByKey(getKeyItemPrice(item))
34	34
35	35
36	36		func getKeyUserItemCounter (user,item) = (((item + "_") + user) + "_cnt")
37	37
38	38
39	39		func getValueUserItemCounter (user,item) = getNumberByKey(getKeyUserItemCounter(user, item))
40	40
41	41
42	42		func getKeyItem (supplier,title) = ("item_" + toBase58String(sha256(toBytes((supplier + title)))))
43	43
44	44
45	45		func getKeyItemData (item) = (item + "_data")
46	46
47	47
48	48		func getKeyItemSupplier (item) = (item + "_owner")
49	49
50	50
51	51		func getValueItemSupplier (item) = getStrByKey(getKeyItemSupplier(item))
52	52
53	53
54	54		func getKeyBalanceSupplier (account) = (account + "_balance")
55	55
56	56
57	57		func getValueBalanceSupplier (account) = getNumberByKey(getKeyBalanceSupplier(account))
58	58
59	59
60	60		func getKeyCommit (item,user) = (((item + "_") + user) + "_commit")
61	61
62	62
63	63		func getValueCommit (item,user) = getStrByKey(getKeyCommit(item, user))
64	64
65	65
66	66		func getKeyCommitsCount (item) = (item + "_comcnt")
67	67
68	68
69	69		func getValueCommitsCount (item) = getNumberByKey(getKeyCommitsCount(item))
70	70
71	71
72	72		func getKeyReveal (item,user) = (((item + "_") + user) + "_reveal")
73	73
74	74
75	75		func getValueReveal (item,user) = getStrByKey(getKeyReveal(item, user))
76	76
77	77
78	78		func getKeyItemStatus (item) = (item + "_status")
79	79
80	80
81	81		func getValueItemStatus (item) = getStrByKey(getKeyItemStatus(item))
82	82
83	83
84	84		func getKeyVoteCount (item,vote) = ((item + "_res:") + vote)
85	85
86	86
87	87		@Callable(i)
88	88		func purchase (item) = {
89	89		let pmt = extract(i.payment)
90	90		if (isDefined(pmt.assetId))
91	91		then throw("can use WAVES only at the moment")
92	92		else {
93	93		let userAddress = toBase58String(i.caller.bytes)
94	94		let price = getValueItemPrice(item)
95	95		let supplierAddress = getValueItemSupplier(item)
96	96		if ((price > pmt.amount))
97	97		then throw("purchase amount cannot be less than item price")
98	98		else if ((pmt.amount > price))
99	99		then throw("purchase amount cannot be higher than item price")
100	100		else if ((supplierAddress == NONE))
101	101		then throw("supplier does not exist")
102	102		else WriteSet([DataEntry(getKeyUserItemCounter(userAddress, item), (getValueUserItemCounter(userAddress, item) + 1)), DataEntry(getKeyBalanceSupplier(supplierAddress), (getValueBalanceSupplier(supplierAddress) + pmt.amount))])
103	103		}
104	104		}
105	105
106	106
107	107
108	108		@Callable(i)
	109	+	func withdraw () = {
	110	+	let supplierAddress = toBase58String(i.caller.bytes)
	111	+	let balance = getValueBalanceSupplier(supplierAddress)
	112	+	if ((0 >= balance))
	113	+	then throw("insufficient balance")
	114	+	else ScriptResult(WriteSet([DataEntry(getKeyBalanceSupplier(supplierAddress), 0)]), TransferSet([ScriptTransfer(addressFromStringValue(supplierAddress), balance, unit)]))
	115	+	}
	116	+
	117	+
	118	+
	119	+	@Callable(i)
109	120		func addItem (title,price,data) = {
110	121		let supplierAddress = toBase58String(i.caller.bytes)
111	122		let item = getKeyItem(supplierAddress, title)
112	123		if ((0 >= price))
113	124		then throw("purchase amount cannot be less than item price")
114	125		else if ((getValueItemSupplier(item) != NONE))
115	126		then throw("an item is already exist")
116	127		else WriteSet([DataEntry(getKeyItemSupplier(item), supplierAddress), DataEntry(getKeyItemPrice(item), price), DataEntry(getKeyItemData(item), data)])
117	128		}
118	129
119	130
120	131		@Verifier(tx)
121	132		func verify () = match tx {
122	133		case d: SetScriptTransaction =>
123	134		sigVerify(tx.bodyBytes, tx.proofs[0], ownerPublicKey)
124	135		case d: DataTransaction =>
125	136		true
126	137		case _ =>
127	138		false
128	139		}
129	140

github/deemru/w8io/169f3d6 
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