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rbillig on 12/22/13

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Trading at www.cex.io ( VB Script ) - Create your own Bitcoin Trading BOT

/ Published in: Visual Basic

'
'
' 1, Create your cex.io account from https://cex.io/r/0/rbillig/0/ ( mandatory )
' 2, Tranfer Bitcoins to you account
' 3, Under your CEX account, create a public and secret key
' 4, Modify the 3 vars below ( G_USERNAME, G_APIKEY, G_APIKEY_SECRET )
' 5, If the decimal separator in your country is not ".", modify "G_SeparateurDecimalDuSyteme" ( eg "," for France )
' 6, Example below show how to display your balance and place an order
' 7, Send 0.01 BITCOINs to "1EfjFxXX31z7PQBKFHe7UQ7LduR64Vczf5" and use this basic code exemple to do more and more
'
' Usage ( after acount creation and key and secret key settings ) :
'
' 1, Save this content to a file named c:\test.vbs
' 2, open a Windows command prompt ( start / run / type "cmd" )
' 3, type "cscript c:\test.vbs"
'
'
' If you win something with this code, help me and donate some BITCOINs to the following adress :
'
' 1EfjFxXX31z7PQBKFHe7UQ7LduR64Vczf5
'
'
' Creator Remy BILLIG - [email protected] - December 2013 - ( France )
' Special thanks to Demon ( http://demon.tw )
'
'
' Donation : "1EfjFxXX31z7PQBKFHe7UQ7LduR64Vczf5"
' Thank you
' More info : https://cex.io/api
'

Highlighted TextExpand

option explicit
'    # 
'    #
'    #      HELP  SECTION
'    #
'    #
'
'
'    1, Create your cex.io account from https://cex.io/r/0/rbillig/0/ ( mandatory )
'    2, Tranfer Bitcoins to you account
'    3, Under your CEX account, create a public and secret key
'    4, Modify the 3 vars below ( G_USERNAME, G_APIKEY, G_APIKEY_SECRET )
'    5, If the decimal separator in your country is not ".", modify "G_SeparateurDecimalDuSyteme" ( eg "," for France )
'    6, Example below show how to display your balance and place an order
'    7, Send 0.01 BITCOINs to "1EfjFxXX31z7PQBKFHe7UQ7LduR64Vczf5" and use this basic code exemple to do more and more 
'
'    Usage ( after acount creation and key and secret key settings ) : 
'
'             1, Save this content to a file named c:\test.vbs
'             2, open a Windows command prompt ( start / run / type "cmd" )
'             3, type  "cscript c:\test.vbs"
'
'
'    If you win something with this code, help me and donate some BITCOINs to the following adress :
'    
'          1EfjFxXX31z7PQBKFHe7UQ7LduR64Vczf5
'
'
'    Creator Remy BILLIG - billig_remy@hotmail.com - December 2013 -  ( France )
'                                                    Special thanks to Demon ( http://demon.tw )
'
'
'                                                    Donation : "1EfjFxXX31z7PQBKFHe7UQ7LduR64Vczf5"
'                                                    Thank you
'    More info : https://cex.io/api
'
'    # 
'    #
'    #      END OF HELP  SECTION
'    #
'    #

dim G_USERNAME, G_APIKEY, G_APIKEY_SECRET
G_USERNAME      = "rbillig"
G_APIKEY        = "Your Key from         https://cex.io/r/0/rbillig/0/"
G_APIKEY_SECRET = "Your Secret Key from  https://cex.io/r/0/rbillig/0/"

dim G_SeparateurDecimalDuSyteme
G_SeparateurDecimalDuSyteme = "."

dim G_xmlhttp
set G_xmlhttp = CreateObject("MSXML2.ServerXMLHTTP.6.0")
G_xmlhttp.open "GET", "https://cex.io/api//ticker/GHS/BTC"
G_xmlhttp.setRequestHeader "Content-type","application/x-www-form-urlencoded"

main()
Function main()

if G_USERNAME = "rbillig" then

wscript.echo vbnewline
         wscript.echo "   ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !"
         wscript.echo vbnewline
         wscript.echo "1, Create your cex.io account from https://cex.io/r/0/rbillig/0/ ( mandatory )"
         wscript.echo "2, Under your CEX account, create a public and secret key (API dedicated)"
         wscript.echo "3, Modify the 3 vars  G_USERNAME, G_APIKEY, G_APIKEY_SECRET"
         wscript.echo "   (in this  c:\test.vbs file)" 
         wscript.echo "4, Send 0.01 BITCOINs to 1EfjFxXX31z7PQBKFHe7UQ7LduR64Vczf5 ( mandatory )"
         wscript.echo "   and use this basic exemple to do more and more"
         wscript.echo vbnewline
         wscript.echo "   Please read help section from this  c:\test.vbs file !!!"
         wscript.echo vbnewline
         wscript.echo "   ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !"
         wscript.echo vbnewline

else

'
         '
         '   Get Balance
         '
         '

dim ObjetMyBalance
         Set ObjetMyBalance  = GetBalance()
         'DisplayJasonObject(ObjetMyBalance)

wscript.echo vbnewline
         wscript.echo vbnewline

wscript.echo "#"
         wscript.echo "#  Balance before Order"
         wscript.echo "#"

wscript.echo ObjetMyBalance.item("BTC")("available") & " BTC"
         wscript.echo ObjetMyBalance.item("GHS")("available") & " GHS"

' Carrefull regarding the number of queries per minute
         ' => wait 5 second between queries
         wscript.sleep 5000

' 
         '    Place an order to buy 1 GHS at the current Rate ( if you remove the comment ... )
         '
         '    NB, if decimal separator of th system is a "," and not a "." change G_SeparateurDecimalDuSyteme at the beginning
         '
         wscript.echo "Place Order if you remove the comment"
         'Set Order = PlaceOrder("GHS", "BTC", "buy",  "1" , left(ObjetMyBalance.item("asks")(0)(0) ,8) )

' Carrefull regarding the number of queries per minute
         ' => wait 5 second between queries again
         wscript.sleep 5000

Set ObjetMyBalance  = GetBalance()
         'DisplayJasonObject(ObjetMyBalance)
         wscript.echo "#"
         wscript.echo "#  Balance after Order"
         wscript.echo "#"
         wscript.echo ObjetMyBalance.item("BTC")("available") & " BTC"
         wscript.echo ObjetMyBalance.item("GHS")("available") & " GHS"

end if

End Function

'''
''' API DEDICATED FUNCTIONS
'''
'''
'''

function GetOrderBook(CUR_FROM, CUR_TO )
 dim nonce, StringToEncode, signature, JsonObject
 G_xmlhttp.open "GET", "https://cex.io/api/order_book/" & CUR_FROM &"/"& CUR_TO, false
 G_xmlhttp.send ""
 Set JsonObject= New VbsJson
 'Wscript.echo G_xmlhttp.responseText
 Set GetOrderBook = JsonObject.Decode(G_xmlhttp.responseText)
end function

function GetBalance()
 dim nonce, signature, JsonObject
 nonce = Get_Nonce()
 signature = hash_sha256( nonce & G_USERNAME & G_APIKEY, G_APIKEY_SECRET )
 G_xmlhttp.open "POST", "https://cex.io/api/balance/", false
 G_xmlhttp.setRequestHeader "Content-type","application/x-www-form-urlencoded"
 G_xmlhttp.send "key=" & G_APIKEY & "&signature=" & signature & "&nonce=" & nonce
 Set JsonObject= New VbsJson
 'Wscript.echo G_xmlhttp.responseText
 Set GetBalance = JsonObject.Decode(G_xmlhttp.responseText)
end function

function PlaceOrder(CUR_FROM, CUR_TO, buy_or_sell, amount, price )
 dim nonce, StringToEncode, signature, JsonObject

amount=replace(amount ,G_SeparateurDecimalDuSyteme, "." )
 price =replace(price ,G_SeparateurDecimalDuSyteme, "." )

nonce = Get_Nonce()
 signature = hash_sha256( nonce & G_USERNAME & G_APIKEY, G_APIKEY_SECRET )
 G_xmlhttp.open "POST", "https://cex.io/api/place_order/" & CUR_FROM &"/"& CUR_TO, false
 G_xmlhttp.setRequestHeader "Content-type","application/x-www-form-urlencoded"
 G_xmlhttp.send "key=" & G_APIKEY & "&signature=" & signature & "&nonce=" & nonce & "&type=" & buy_or_sell & "&amount=" & replace(amount,G_SeparateurDecimalDuSyteme,".") & "&price=" & replace(price,G_SeparateurDecimalDuSyteme,".")
 Set JsonObject= New VbsJson
 Wscript.echo G_xmlhttp.responseText
 Set PlaceOrder = JsonObject.Decode(G_xmlhttp.responseText)
end function

function DisplayJasonObject(o)
 dim i, j, k
 For Each i In o.keys
 Wscript.echo i
 if i="timestamp" then
 Wscript.echo vbtab & i & "---" & o.item(i)
 end if
 if i="bids" then
 for j=lbound(o.item(i)) to 5 'ubound(o.item(i))
 wscript.echo vbtab & o.item(i)(j)(0) & "---" & o.item(i)(j)(1)
 next
 end if
 if i="asks" then
 for j=lbound(o.item(i)) to 5 'ubound(o.item(i))
 wscript.echo vbtab & o.item(i)(j)(0) & "---" & o.item(i)(j)(1)
 next
 end if
 if i="BTC" or i="NMC" or i="GHS" then
 wscript.echo vbtab & "available" & " --- " & o.item(i)("available")
 wscript.echo vbtab & "orders " & " --- " & o.item(i)("orders")
 end if
 Next
end function

Function hash_sha256( StringToHash, KeyForHash )
 'On dÃ©clare la variable servant Ã  crypter
 Dim sha256,ObjUTF8, hmac
 Set ObjUTF8 = createobject("System.Text.UTF8Encoding")
 set sha256 = createobject("system.security.cryptography.HMACSHA256")
 ' Hachage
 sha256.Key = ObjUTF8.GetBytes_4( KeyForHash )
 hmac = sha256.ComputeHash_2( ObjUTF8.GetBytes_4( StringToHash ) )
 'LibÃ©ration des ressources
 sha256.Clear()
 ' Renvoi sous format string de type hexadecimale
 dim i, a, strText
 For i = 1 To LenB(hmac )
 a = a & Right("0" & Hex(AscB(MidB(hmac , i, 1))), 2)
 Next
 hash_sha256 = LCase(a)
End Function

Function Get_Nonce()
 Get_Nonce = int(10*24*3600*(date() + time()))
end function

'''
''' JSon dedicated FUNCTIONS - Special thanks to Demon ( http://demon.tw )
'''
'''
'''
Class VbsJson
 'Author: Demon
 'Date: 2012/5/3
 'Website: http://demon.tw
 Private Whitespace, NumberRegex, StringChunk
 Private b, f, r, n, t
 Private Sub Class_Initialize
 Whitespace = " " & vbTab & vbCr & vbLf
 b = ChrW(8)
 f = vbFormFeed
 r = vbCr
 n = vbLf
 t = vbTab
 Set NumberRegex = New RegExp
 NumberRegex.Pattern = "(-?(?:0|[1-9]\d*))(\.\d+)?([eE][-+]?\d+)?"
 NumberRegex.Global = False
 NumberRegex.MultiLine = True
 NumberRegex.IgnoreCase = True
 Set StringChunk = New RegExp
 StringChunk.Pattern = "([\s\S]*?)([""\\\x00-\x1f])"
 StringChunk.Global = False
 StringChunk.MultiLine = True
 StringChunk.IgnoreCase = True
 End Sub

'Return a JSON string representation of a VBScript data structure
 'Supports the following objects and types
 '+-------------------+---------------+
 '| VBScript | JSON |
 '+===================+===============+
 '| Dictionary | object |
 '+-------------------+---------------+
 '| Array | array |
 '+-------------------+---------------+
 '| String | string |
 '+-------------------+---------------+
 '| Number | number |
 '+-------------------+---------------+
 '| True | true |
 '+-------------------+---------------+
 '| False | false |
 '+-------------------+---------------+
 '| Null | null |
 '+-------------------+---------------+
Public Function Encode(ByRef obj)
 Dim buf, i, c, g
 Set buf = CreateObject("Scripting.Dictionary")
 Select Case VarType(obj)
 Case vbNull
 buf.Add buf.Count, "null"
 Case vbBoolean
 If obj Then
 buf.Add buf.Count, "true"
 Else
 buf.Add buf.Count, "false"
 End If
 Case vbInteger, vbLong, vbSingle, vbDouble
 buf.Add buf.Count, obj
 Case vbString
 buf.Add buf.Count, """"
 For i = 1 To Len(obj)
 c = Mid(obj, i, 1)
 Select Case c
 Case """" buf.Add buf.Count, "\"""
 Case "\" buf.Add buf.Count, "\\"
 Case "/" buf.Add buf.Count, "/"
 Case b buf.Add buf.Count, "\b"
 Case f buf.Add buf.Count, "\f"
 Case r buf.Add buf.Count, "\r"
 Case n buf.Add buf.Count, "\n"
 Case t buf.Add buf.Count, "\t"
 Case Else
 If AscW(c)>= 0 And AscW(c) <= 31 Then
 c = Right("0" & Hex(AscW(c)), 2)
 buf.Add buf.Count, "\u00" & c
 Else
 buf.Add buf.Count, c
 End If
 End Select
 Next
 buf.Add buf.Count, """"
 Case vbArray + vbVariant
 g = True
 buf.Add buf.Count, "["
 For Each i In obj
 If g Then g = False Else buf.Add buf.Count, ","
 buf.Add buf.Count, Encode(i)
 Next
 buf.Add buf.Count, "]"
 Case vbObject
 If TypeName(obj) = "Dictionary" Then
 g = True
 buf.Add buf.Count, "{"
 For Each i In obj
 If g Then g = False Else buf.Add buf.Count, ","
 buf.Add buf.Count, """" & i & """" & ":" & Encode(obj(i))
 Next
 buf.Add buf.Count, "}"
 Else
 Err.Raise 8732,,"None dictionary object"
 End If
 Case Else
 buf.Add buf.Count, """" & CStr(obj) & """"
 End Select
 Encode = Join(buf.Items, "")
 End Function
 'Return the VBScript representation of ``str(``
 'Performs the following translations in decoding
 '+---------------+-------------------+
 '| JSON | VBScript |
 '+===============+===================+
 '| object | Dictionary |
 '+---------------+-------------------+
 '| array | Array |
 '+---------------+-------------------+
 '| string | String |
 '+---------------+-------------------+
 '| number | Double |
 '+---------------+-------------------+
 '| true | True |
 '+---------------+-------------------+
 '| false | False |
 '+---------------+-------------------+
 '| null | Null |
 '+---------------+-------------------+
Public Function Decode(ByRef str)
 Dim idx
 idx = SkipWhitespace(str, 1)
 If Mid(str, idx, 1) = "{" Then
 Set Decode = ScanOnce(str, 1)
 Else
 Decode = ScanOnce(str, 1)
 End If
 End Function

Private Function ScanOnce(ByRef str, ByRef idx)
 Dim c, ms
 idx = SkipWhitespace(str, idx)
 c = Mid(str, idx, 1)
 If c = "{" Then
 idx = idx + 1
 Set ScanOnce = ParseObject(str, idx)
 Exit Function
 ElseIf c = "[" Then
 idx = idx + 1
 ScanOnce = ParseArray(str, idx)
 Exit Function
 ElseIf c = """" Then
 idx = idx + 1
 ScanOnce = ParseString(str, idx)
 Exit Function
 ElseIf c = "n" And StrComp("null", Mid(str, idx, 4)) = 0 Then
 idx = idx + 4
 ScanOnce = Null
 Exit Function
 ElseIf c = "t" And StrComp("true", Mid(str, idx, 4)) = 0 Then
 idx = idx + 4
 ScanOnce = True
 Exit Function
 ElseIf c = "f" And StrComp("false", Mid(str, idx, 5)) = 0 Then
 idx = idx + 5
 ScanOnce = False
 Exit Function
 End If

Set ms = NumberRegex.Execute(Mid(str, idx))
 If ms.Count = 1 Then
 idx = idx + ms(0).Length
 ScanOnce = CDbl(replace( ms(0), ".",G_SeparateurDecimalDuSyteme ))
 Exit Function
 End If

Err.Raise 8732,,"No JSON object could be ScanOnced"
 End Function
 Private Function ParseObject(ByRef str, ByRef idx)
 Dim c, key, value
 Set ParseObject = CreateObject("Scripting.Dictionary")
 idx = SkipWhitespace(str, idx)
 c = Mid(str, idx, 1)

If c = "}" Then
 Exit Function
 ElseIf c <> """" Then
 Err.Raise 8732,,"Expecting property name"
 End If
 idx = idx + 1

Do
 key = ParseString(str, idx)
 idx = SkipWhitespace(str, idx)
 If Mid(str, idx, 1) <> ":" Then
 Err.Raise 8732,,"Expecting : delimiter"
 End If
 idx = SkipWhitespace(str, idx + 1)
 If Mid(str, idx, 1) = "{" Then
 Set value = ScanOnce(str, idx)
 Else
 value = ScanOnce(str, idx)
 End If
 ParseObject.Add key, value
 idx = SkipWhitespace(str, idx)
 c = Mid(str, idx, 1)
 If c = "}" Then
 Exit Do
 ElseIf c <> "," Then
 Err.Raise 8732,,"Expecting , delimiter"
 End If
 idx = SkipWhitespace(str, idx + 1)
 c = Mid(str, idx, 1)
 If c <> """" Then
 Err.Raise 8732,,"Expecting property name"
 End If
 idx = idx + 1
 Loop
 idx = idx + 1
 End Function

Private Function ParseArray(ByRef str, ByRef idx)
 Dim c, values, value
 Set values = CreateObject("Scripting.Dictionary")
 idx = SkipWhitespace(str, idx)
 c = Mid(str, idx, 1)
 If c = "]" Then
 ParseArray = values.Items
 Exit Function
 End If
 Do
 idx = SkipWhitespace(str, idx)
 If Mid(str, idx, 1) = "{" Then
 Set value = ScanOnce(str, idx)
 Else
 value = ScanOnce(str, idx)
 End If
 values.Add values.Count, value
 idx = SkipWhitespace(str, idx)
 c = Mid(str, idx, 1)
 If c = "]" Then
 Exit Do
 ElseIf c <> "," Then
 Err.Raise 8732,,"Expecting , delimiter"
 End If
 idx = idx + 1
 Loop
 idx = idx + 1
 ParseArray = values.Items
 End Function

Private Function ParseString(ByRef str, ByRef idx)
 Dim chunks, content, terminator, ms, esc, char
 Set chunks = CreateObject("Scripting.Dictionary")
 Do
 Set ms = StringChunk.Execute(Mid(str, idx))
 If ms.Count = 0 Then
 Err.Raise 8732,,"Unterminated string starting"
 End If

content = ms(0).Submatches(0)
 terminator = ms(0).Submatches(1)
 If Len(content)> 0 Then
 chunks.Add chunks.Count, content
 End If

idx = idx + ms(0).Length

If terminator = """" Then
 Exit Do
 ElseIf terminator <> "\" Then
 Err.Raise 8732,,"Invalid control character"
 End If

esc = Mid(str, idx, 1)
 If esc <> "u" Then
 Select Case esc
 Case """" char = """"
 Case "\" char = "\"
 Case "/" char = "/"
 Case "b" char = b
 Case "f" char = f
 Case "n" char = n
 Case "r" char = r
 Case "t" char = t
 Case Else Err.Raise 8732,,"Invalid escape"
 End Select
 idx = idx + 1
 Else
 char = ChrW("&H" & Mid(str, idx + 1, 4))
 idx = idx + 5
 End If
 chunks.Add chunks.Count, char
 Loop
 ParseString = Join(chunks.Items, "")
 End Function
 Private Function SkipWhitespace(ByRef str, ByVal idx)
 Do While idx <= Len(str) And _
 InStr(Whitespace, Mid(str, idx, 1))> 0
 idx = idx + 1
 Loop
 SkipWhitespace = idx
 End Function
End Class

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