Core Banking Simulator
Project description
A python library that implements the primitive Core Banking system (CBS) emulator.
- Usage:
>>> from pybank.cbs import CBS >>> #A host to connect to >>> cbs = CBS(host='127.0.0.1', port=3388) >>> cbs.run() Connected to 127.0.0.1:3388 Parsed message: MTI: [1804] Fields: [ 11 12 24 ] 11 - System trace audit number [661281] 12 - Time, local transaction (YYMMDDhhmmss) [170526181337] 24 - Network International identifier (NII) [801] 18:13:37.868027 >> 35 bytes sent: 00 33 31 38 30 34 00 30 01 00 00 00 00 00 36 36 .31804.0......66 31 32 38 31 31 37 30 35 32 36 31 38 31 33 33 37 1281170526181337 38 30 31 801 18:13:37.903578 << 26 bytes received: 00 24 31 38 31 34 00 20 01 00 02 00 00 00 30 30 .$1814. ......00 30 30 30 30 38 30 31 30 30 30 0000801000 Parsed message: MTI: [1814] Fields: [ 11 24 39 ] 11 - System trace audit number [000000] 24 - Network International identifier (NII) [801] 39 - Response code [000] [APPROVED] 18:22:45.630814 << 292 bytes received: 02 90 31 31 30 30 fc f6 40 01 08 e1 e4 00 00 00 ..1100..@....... 00 00 14 00 00 00 31 36 34 31 37 34 30 37 30 30 ......1641740700 30 30 30 30 30 31 30 34 30 30 30 30 30 30 30 30 0000010400000000 30 30 30 30 30 31 31 30 30 30 30 30 30 30 30 30 0000011000000000 30 30 30 31 34 39 30 30 30 30 30 30 30 30 30 31 0001490000000001 34 39 37 30 31 33 35 31 30 30 36 31 30 30 30 30 4970135100610000 30 30 31 31 33 30 36 30 31 37 30 35 32 36 31 38 0011306017052618 32 32 34 35 31 37 31 32 30 32 30 32 32 38 36 30 2245171202022860 31 30 30 36 30 30 30 30 30 30 30 30 30 30 30 30 1006000000000000 31 31 33 30 36 30 31 30 30 30 31 33 33 37 39 39 1130601000133799 39 39 39 39 39 39 39 39 39 39 30 30 31 42 50 43 9999999999001BPC 20 54 45 53 54 20 4d 45 52 43 48 41 4e 54 20 4e TEST MERCHANT N 20 31 3e 4d 4f 53 4b 56 41 20 20 20 20 20 20 20 1>MOSKVA 20 20 20 52 55 30 34 37 30 30 31 30 30 31 31 30 RU04700100110 30 32 30 30 33 37 37 34 30 32 35 30 30 31 32 30 0200377402500120 32 37 30 30 30 30 32 38 30 31 32 30 30 30 30 30 2700002801200000 30 31 31 33 30 36 30 36 34 33 38 32 36 38 32 36 0113060643826826 30 30 30 30 30 30 31 31 31 39 35 36 37 31 33 30 0000001119567130 30 30 30 31 0001 Parsed message: MTI: [1100] Fields: [ 2 3 4 5 6 9 10 11 12 14 15 18 32 37 41 42 43 48 49 50 51 54 100 102 ] 2 - Primary account number (PAN) [4174070000000104] 3 - Processing code [000000] 4 - Amount, transaction [000000011000] 5 - Amount, settlement [000000000149] 6 - Amount, cardholder billing [000000000149] 9 - Conversion rate, settlement [70135100] 10 - Conversion rate, cardholder billing [61000000] 11 - System trace audit number [113060] 12 - Time, local transaction (YYMMDDhhmmss) [170526182245] 14 - Date, expiration [1712] 15 - Date, settlement [020228] 18 - Merchant type [6010] 32 - Acquiring institution identification code [0] 37 - Retrieval reference number [000000113060] 41 - Terminal ID [10001337] 42 - Merchant number [999999999999001] 43 - Card acceptor name/location [BPC TEST MERCHANT N 1>MOSKVA RU] 48 - Additional data - private [00100110020037740250012027000028012000000113060] 49 - Currency code, transaction [643] 50 - Currency code, settlement [826] 51 - Currency code, cardholder billing [826] 54 - Additional amounts [] 100 - Receiving institution identification code [] 102 - Account identification 1 [1] Parsed message: MTI: [1110] Fields: [ 2 3 4 5 6 11 12 14 15 32 37 39 48 49 50 51 54 102 ] 2 - Primary account number (PAN) [4174070000000104] 3 - Processing code [000000] 4 - Amount, transaction [000000011000] 5 - Amount, settlement [000000000149] 6 - Amount, cardholder billing [000000000149] 11 - System trace audit number [113060] 12 - Time, local transaction (YYMMDDhhmmss) [170526182245] 14 - Date, expiration [1712] 15 - Date, settlement [020228] 32 - Acquiring institution identification code [0] 37 - Retrieval reference number [000000113060] 39 - Response code [000] [APPROVED] 48 - Additional data - private [00100110020037740250012027000028012000000113060] 49 - Currency code, transaction [643] 50 - Currency code, settlement [826] 51 - Currency code, cardholder billing [826] 54 - Additional amounts [007016C000000135353826] 102 - Account identification 1 [1] 18:22:45.666351 >> 215 bytes sent: 02 13 31 31 31 30 fc 36 00 01 0a 01 e4 00 00 00 ..1110.6........ 00 00 04 00 00 00 31 36 34 31 37 34 30 37 30 30 ......1641740700 30 30 30 30 30 31 30 34 30 30 30 30 30 30 30 30 0000010400000000 30 30 30 30 30 31 31 30 30 30 30 30 30 30 30 30 0000011000000000 30 30 30 31 34 39 30 30 30 30 30 30 30 30 30 31 0001490000000001 34 39 31 31 33 30 36 30 31 37 30 35 32 36 31 38 4911306017052618 32 32 34 35 31 37 31 32 30 32 30 32 32 38 30 31 2245171202022801 30 30 30 30 30 30 30 31 31 33 30 36 30 30 30 30 0000000113060000 30 34 37 30 30 31 30 30 31 31 30 30 32 30 30 33 0470010011002003 37 37 34 30 32 35 30 30 31 32 30 32 37 30 30 30 7740250012027000 30 32 38 30 31 32 30 30 30 30 30 30 31 31 33 30 0280120000001130 36 30 36 34 33 38 32 36 38 32 36 30 32 32 30 30 6064382682602200 37 30 31 36 43 30 30 30 30 30 30 31 33 35 33 35 7016C00000013535 33 38 32 36 30 31 31 3826011
cbs_example.py is an example of core banking system emulator application, that interacts connects to authorization switch through ISO8583:1993 protocol (accounts, transactions and balances are stored in a local sqlite3 database).
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