specs

Documentation

Index

• Variables
• type FieldConstructorFunc
• type MessageSpecBuilder

Variables

var (
	FieldConstructor = map[string]FieldConstructorFunc{
		"String":    func(spec *field.Spec) field.Field { return field.NewString(spec) },
		"Numeric":   func(spec *field.Spec) field.Field { return field.NewNumeric(spec) },
		"Binary":    func(spec *field.Spec) field.Field { return field.NewBinary(spec) },
		"Bitmap":    func(spec *field.Spec) field.Field { return field.NewBitmap(spec) },
		"Composite": func(spec *field.Spec) field.Field { return field.NewComposite(spec) },
	}

	PrefixesExtToInt = map[string]prefix.Prefixer{
		"ASCII.Fixed":  prefix.ASCII.Fixed,
		"ASCII.L":      prefix.ASCII.L,
		"ASCII.LL":     prefix.ASCII.LL,
		"ASCII.LLL":    prefix.ASCII.LLL,
		"ASCII.LLLL":   prefix.ASCII.LLLL,
		"BCD.Fixed":    prefix.BCD.Fixed,
		"BCD.L":        prefix.BCD.L,
		"BCD.LL":       prefix.BCD.LL,
		"BCD.LLL":      prefix.BCD.LLL,
		"BCD.LLLL":     prefix.BCD.LLLL,
		"Hex.Fixed":    prefix.Hex.Fixed,
		"Hex.L":        prefix.Hex.L,
		"Hex.LL":       prefix.Hex.LL,
		"Hex.LLL":      prefix.Hex.LLL,
		"Hex.LLLL":     prefix.Hex.LLLL,
		"EBCDIC.Fixed": prefix.EBCDIC.Fixed,
		"EBCDIC.L":     prefix.EBCDIC.L,
		"EBCDIC.LL":    prefix.EBCDIC.LL,
		"EBCDIC.LLL":   prefix.EBCDIC.LLL,
		"EBCDIC.LLLL":  prefix.EBCDIC.LLLL,
		"Binary.Fixed": prefix.Binary.Fixed,
		"BerTLV":       prefix.BerTLV,
	}

	EncodingsExtToInt = map[string]encoding.Encoder{
		"ASCII":      encoding.ASCII,
		"BCD":        encoding.BCD,
		"EBCDIC":     encoding.EBCDIC,
		"Binary":     encoding.Binary,
		"HexToASCII": encoding.BytesToASCIIHex,
		"ASCIIToHex": encoding.ASCIIHexToBytes,
		"LBCD":       encoding.LBCD,
		"BerTLVTag":  encoding.BerTLVTag,
	}

	EncodingsIntToExt = map[string]string{
		"asciiEncoder":      "ASCII",
		"bcdEncoder":        "BCD",
		"ebcdicEncoder":     "EBCDIC",
		"binaryEncoder":     "Binary",
		"hexToASCIIEncoder": "HexToASCII",
		"asciiToHexEncoder": "ASCIIToHex",
		"lBCDEncoder":       "LBCD",
	}

	PaddersIntToExt = map[string]string{
		"leftPadder":  "Left",
		"rightPadder": "Right",
		"nonePadder":  "None",
	}

	PaddersExtToInt = map[string]func(pad string) padding.Padder{
		"Left": func(pad string) padding.Padder {
			if runes := []rune(pad); len(runes) == 1 {
				return padding.Left(runes[0])
			}
			return nil
		},
		"Right": func(pad string) padding.Padder {
			if runes := []rune(pad); len(runes) == 1 {
				return padding.Right(runes[0])
			}
			return nil
		},
		"None": func(pad string) padding.Padder { return padding.None },
	}

	SortExtToInt = map[string]moovsort.StringSlice{
		"StringsByInt": moovsort.StringsByInt,
		"StringsByHex": moovsort.StringsByHex,
	}
)

var Spec87ASCII *iso8583.MessageSpec = &iso8583.MessageSpec{
	Name: "ISO 8583 v1987 ASCII",
	Fields: map[int]field.Field{
		0: field.NewString(&field.Spec{
			Length:      4,
			Description: "Message Type Indicator",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		1: field.NewBitmap(&field.Spec{
			Length:      16,
			Description: "Bitmap",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		2: field.NewString(&field.Spec{
			Length:      19,
			Description: "Primary Account Number",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LL,
		}),
		3: field.NewNumeric(&field.Spec{
			Length:      6,
			Description: "Processing Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
			Pad:         padding.Left('0'),
		}),
		4: field.NewString(&field.Spec{
			Length:      12,
			Description: "Transaction Amount",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
			Pad:         padding.Left('0'),
		}),
		5: field.NewString(&field.Spec{
			Length:      12,
			Description: "Settlement Amount",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
			Pad:         padding.Left('0'),
		}),
		6: field.NewString(&field.Spec{
			Length:      12,
			Description: "Billing Amount",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
			Pad:         padding.Left('0'),
		}),
		7: field.NewString(&field.Spec{
			Length:      10,
			Description: "Transmission Date & Time",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		8: field.NewString(&field.Spec{
			Length:      8,
			Description: "Billing Fee Amount",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		9: field.NewString(&field.Spec{
			Length:      8,
			Description: "Settlement Conversion Rate",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		10: field.NewString(&field.Spec{
			Length:      8,
			Description: "Cardholder Billing Conversion Rate",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		11: field.NewString(&field.Spec{
			Length:      6,
			Description: "Systems Trace Audit Number (STAN)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		12: field.NewString(&field.Spec{
			Length:      6,
			Description: "Local Transaction Time",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		13: field.NewString(&field.Spec{
			Length:      4,
			Description: "Local Transaction Date",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		14: field.NewString(&field.Spec{
			Length:      4,
			Description: "Expiration Date",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		15: field.NewString(&field.Spec{
			Length:      4,
			Description: "Settlement Date",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		16: field.NewString(&field.Spec{
			Length:      4,
			Description: "Currency Conversion Date",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		17: field.NewString(&field.Spec{
			Length:      4,
			Description: "Capture Date",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		18: field.NewString(&field.Spec{
			Length:      4,
			Description: "Merchant Type",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		19: field.NewString(&field.Spec{
			Length:      3,
			Description: "Acquiring Institution Country Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		20: field.NewString(&field.Spec{
			Length:      3,
			Description: "PAN Extended Country Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		21: field.NewString(&field.Spec{
			Length:      3,
			Description: "Forwarding Institution Country Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		22: field.NewString(&field.Spec{
			Length:      3,
			Description: "Point of Sale (POS) Entry Mode",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		23: field.NewString(&field.Spec{
			Length:      3,
			Description: "Card Sequence Number (CSN)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		24: field.NewString(&field.Spec{
			Length:      3,
			Description: "Function Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		25: field.NewString(&field.Spec{
			Length:      2,
			Description: "Point of Service Condition Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		26: field.NewString(&field.Spec{
			Length:      2,
			Description: "Point of Service PIN Capture Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		27: field.NewString(&field.Spec{
			Length:      1,
			Description: "Authorizing Identification Response Length",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		28: field.NewString(&field.Spec{
			Length:      9,
			Description: "Transaction Fee Amount",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		29: field.NewString(&field.Spec{
			Length:      9,
			Description: "Settlement Fee Amount",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		30: field.NewString(&field.Spec{
			Length:      9,
			Description: "Transaction Processing Fee Amount",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		31: field.NewString(&field.Spec{
			Length:      9,
			Description: "Settlement Processing Fee Amount",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		32: field.NewString(&field.Spec{
			Length:      11,
			Description: "Acquiring Institution Identification Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LL,
		}),
		33: field.NewString(&field.Spec{
			Length:      11,
			Description: "Forwarding Institution Identification Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LL,
		}),
		34: field.NewString(&field.Spec{
			Length:      28,
			Description: "Extended Primary Account Number",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LL,
		}),
		35: field.NewString(&field.Spec{
			Length:      37,
			Description: "Track 2 Data",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LL,
		}),
		36: field.NewString(&field.Spec{
			Length:      104,
			Description: "Track 3 Data",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		37: field.NewString(&field.Spec{
			Length:      12,
			Description: "Retrieval Reference Number",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		38: field.NewString(&field.Spec{
			Length:      6,
			Description: "Authorization Identification Response",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		39: field.NewString(&field.Spec{
			Length:      2,
			Description: "Response Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		40: field.NewString(&field.Spec{
			Length:      3,
			Description: "Service Restriction Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		41: field.NewString(&field.Spec{
			Length:      8,
			Description: "Card Acceptor Terminal Identification",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		42: field.NewString(&field.Spec{
			Length:      15,
			Description: "Card Acceptor Identification Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		43: field.NewString(&field.Spec{
			Length:      40,
			Description: "Card Acceptor Name/Location",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		44: field.NewString(&field.Spec{
			Length:      99,
			Description: "Additional Data",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LL,
		}),
		45: field.NewString(&field.Spec{
			Length:      76,
			Description: "Track 1 Data",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LL,
		}),
		46: field.NewString(&field.Spec{
			Length:      999,
			Description: "Additional data (ISO)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		47: field.NewString(&field.Spec{
			Length:      999,
			Description: "Additional data (National)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		48: field.NewString(&field.Spec{
			Length:      999,
			Description: "Additional data (Private)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		49: field.NewString(&field.Spec{
			Length:      3,
			Description: "Transaction Currency Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		50: field.NewString(&field.Spec{
			Length:      3,
			Description: "Settlement Currency Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		51: field.NewString(&field.Spec{
			Length:      3,
			Description: "Cardholder Billing Currency Code",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		52: field.NewString(&field.Spec{
			Length:      8,
			Description: "PIN Data",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		53: field.NewString(&field.Spec{
			Length:      16,
			Description: "Security Related Control Information",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
		54: field.NewString(&field.Spec{
			Length:      120,
			Description: "Additional Amounts",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		55: field.NewString(&field.Spec{
			Length:      999,
			Description: "ICC Data – EMV Having Multiple Tags",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		56: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (ISO)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		57: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (National)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		58: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (National)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		59: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (National)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		60: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (National)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		61: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (Private)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		62: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (Private)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		63: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (Private)",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.LLL,
		}),
		64: field.NewString(&field.Spec{
			Length:      8,
			Description: "Message Authentication Code (MAC)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		90: field.NewString(&field.Spec{
			Length:      42,
			Description: "Original Data Elements",
			Enc:         encoding.ASCII,
			Pref:        prefix.ASCII.Fixed,
		}),
	},
}

we keep it for compatibility reasons

var Spec87Hex *iso8583.MessageSpec = &iso8583.MessageSpec{
	Name: "ISO 8583 v1987 Hex",
	Fields: map[int]field.Field{
		0: field.NewString(&field.Spec{
			Length:      4,
			Description: "Message Type Indicator",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		1: field.NewBitmap(&field.Spec{
			Description: "Bitmap",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		2: field.NewString(&field.Spec{
			Length:      19,
			Description: "Primary Account Number",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LL,
		}),
		3: field.NewString(&field.Spec{
			Length:      6,
			Description: "Processing Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		4: field.NewString(&field.Spec{
			Length:      12,
			Description: "Transaction Amount",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
			Pad:         padding.Left('0'),
		}),
		5: field.NewString(&field.Spec{
			Length:      12,
			Description: "Settlement Amount",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
			Pad:         padding.Left('0'),
		}),
		6: field.NewString(&field.Spec{
			Length:      12,
			Description: "Billing Amount",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
			Pad:         padding.Left('0'),
		}),
		7: field.NewString(&field.Spec{
			Length:      10,
			Description: "Transmission Date & Time",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		8: field.NewString(&field.Spec{
			Length:      8,
			Description: "Billing Fee Amount",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		9: field.NewString(&field.Spec{
			Length:      8,
			Description: "Settlement Conversion Rate",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		10: field.NewString(&field.Spec{
			Length:      8,
			Description: "Cardholder Billing Conversion Rate",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		11: field.NewString(&field.Spec{
			Length:      6,
			Description: "Systems Trace Audit Number (STAN)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		12: field.NewString(&field.Spec{
			Length:      6,
			Description: "Local Transaction Time",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		13: field.NewString(&field.Spec{
			Length:      4,
			Description: "Local Transaction Date",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		14: field.NewString(&field.Spec{
			Length:      4,
			Description: "Expiration Date",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		15: field.NewString(&field.Spec{
			Length:      4,
			Description: "Settlement Date",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		16: field.NewString(&field.Spec{
			Length:      4,
			Description: "Currency Conversion Date",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		17: field.NewString(&field.Spec{
			Length:      4,
			Description: "Capture Date",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		18: field.NewString(&field.Spec{
			Length:      4,
			Description: "Merchant Type",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		19: field.NewString(&field.Spec{
			Length:      3,
			Description: "Acquiring Institution Country Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		20: field.NewString(&field.Spec{
			Length:      3,
			Description: "PAN Extended Country Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		21: field.NewString(&field.Spec{
			Length:      3,
			Description: "Forwarding Institution Country Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		22: field.NewString(&field.Spec{
			Length:      3,
			Description: "Point of Sale (POS) Entry Mode",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		23: field.NewString(&field.Spec{
			Length:      3,
			Description: "Card Sequence Number (CSN)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		24: field.NewString(&field.Spec{
			Length:      3,
			Description: "Function Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		25: field.NewString(&field.Spec{
			Length:      2,
			Description: "Point of Service Condition Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		26: field.NewString(&field.Spec{
			Length:      2,
			Description: "Point of Service PIN Capture Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		27: field.NewString(&field.Spec{
			Length:      1,
			Description: "Authorizing Identification Response Length",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		28: field.NewString(&field.Spec{
			Length:      9,
			Description: "Transaction Fee Amount",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		29: field.NewString(&field.Spec{
			Length:      9,
			Description: "Settlement Fee Amount",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		30: field.NewString(&field.Spec{
			Length:      9,
			Description: "Transaction Processing Fee Amount",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		31: field.NewString(&field.Spec{
			Length:      9,
			Description: "Settlement Processing Fee Amount",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		32: field.NewString(&field.Spec{
			Length:      11,
			Description: "Acquiring Institution Identification Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LL,
		}),
		33: field.NewString(&field.Spec{
			Length:      11,
			Description: "Forwarding Institution Identification Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LL,
		}),
		34: field.NewString(&field.Spec{
			Length:      28,
			Description: "Extended Primary Account Number",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LL,
		}),
		35: field.NewString(&field.Spec{
			Length:      37,
			Description: "Track 2 Data",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LL,
		}),
		36: field.NewString(&field.Spec{
			Length:      104,
			Description: "Track 3 Data",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		37: field.NewString(&field.Spec{
			Length:      12,
			Description: "Retrieval Reference Number",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		38: field.NewString(&field.Spec{
			Length:      6,
			Description: "Authorization Identification Response",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		39: field.NewString(&field.Spec{
			Length:      2,
			Description: "Response Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		40: field.NewString(&field.Spec{
			Length:      3,
			Description: "Service Restriction Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		41: field.NewString(&field.Spec{
			Length:      8,
			Description: "Card Acceptor Terminal Identification",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		42: field.NewString(&field.Spec{
			Length:      15,
			Description: "Card Acceptor Identification Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		43: field.NewString(&field.Spec{
			Length:      40,
			Description: "Card Acceptor Name/Location",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		44: field.NewString(&field.Spec{
			Length:      99,
			Description: "Additional Data",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LL,
		}),
		45: field.NewString(&field.Spec{
			Length:      76,
			Description: "Track 1 Data",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LL,
		}),
		46: field.NewString(&field.Spec{
			Length:      999,
			Description: "Additional data (ISO)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		47: field.NewString(&field.Spec{
			Length:      999,
			Description: "Additional data (National)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		48: field.NewString(&field.Spec{
			Length:      999,
			Description: "Additional data (Private)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		49: field.NewString(&field.Spec{
			Length:      3,
			Description: "Transaction Currency Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		50: field.NewString(&field.Spec{
			Length:      3,
			Description: "Settlement Currency Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		51: field.NewString(&field.Spec{
			Length:      3,
			Description: "Cardholder Billing Currency Code",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		52: field.NewString(&field.Spec{
			Length:      16,
			Description: "PIN Data",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		53: field.NewString(&field.Spec{
			Length:      16,
			Description: "Security Related Control Information",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		54: field.NewString(&field.Spec{
			Length:      120,
			Description: "Additional Amounts",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		55: field.NewString(&field.Spec{
			Length:      999,
			Description: "ICC Data – EMV Having Multiple Tags",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		56: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (ISO)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		57: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (National)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		58: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (National)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		59: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (National)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		60: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (National)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		61: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (Private)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		62: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (Private)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		63: field.NewString(&field.Spec{
			Length:      999,
			Description: "Reserved (Private)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.LLL,
		}),
		64: field.NewString(&field.Spec{
			Length:      8,
			Description: "Message Authentication Code (MAC)",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
		90: field.NewString(&field.Spec{
			Length:      42,
			Description: "Original Data Elements",
			Enc:         encoding.BytesToASCIIHex,
			Pref:        prefix.Hex.Fixed,
		}),
	},
}

Types

type FieldConstructorFunc

type FieldConstructorFunc func(spec *field.Spec) field.Field

type MessageSpecBuilder

type MessageSpecBuilder interface {
	ImportJSON([]byte) (*iso8583.MessageSpec, error)
	ExportJSON(spec *iso8583.MessageSpec) ([]byte, error)
}

var Builder MessageSpecBuilder = &messageSpecBuilder{}