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https://github.com/dongri/emv-qrcode

Golang Based EMV QR Code Generator and Parser (MPM, CPM)
https://github.com/dongri/emv-qrcode

emv golang qr qrcode

Last synced: about 19 hours ago
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Golang Based EMV QR Code Generator and Parser (MPM, CPM)

Host: GitHub
URL: https://github.com/dongri/emv-qrcode
Owner: dongri
Created: 2018-10-13T05:55:02.000Z (over 6 years ago)
Default Branch: master
Last Pushed: 2023-07-17T04:00:19.000Z (over 1 year ago)
Last Synced: 2024-06-18T20:26:00.987Z (7 months ago)
Topics: emv, golang, qr, qrcode
Language: Go
Homepage:
Size: 5.43 MB
Stars: 53
Watchers: 8
Forks: 28
Open Issues: 0
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml

Awesome Lists containing this project

README

        # EMVco QR code

[![CircleCI](https://circleci.com/gh/dongri/emv-qrcode.svg?style=svg)](https://circleci.com/gh/dongri/emv-qrcode)

[![Go Report Card](https://goreportcard.com/badge/github.com/dongri/emv-qrcode)](https://goreportcard.com/report/github.com/dongri/emv-qrcode)

### Documents

https://github.com/dongri/emv-qrcode-doc

### MPM (Merchant Presented Mode)

```go

package main

import(

	"log"

	"github.com/dongri/emv-qrcode/emv/mpm"

)

func main() {

	// MPM Encode

	emvqr := new(mpm.EMVQR)

	emvqr.SetPayloadFormatIndicator("01")

	emvqr.SetPointOfInitiationMethod("12") // 11 is static qrcode

	merchantAccountInformationJCB := new(mpm.MerchantAccountInformation)

	merchantAccountInformationJCB.SetGloballyUniqueIdentifier("D123456")

	merchantAccountInformationJCB.AddPaymentNetworkSpecific("13", "JCB1234567890")

	emvqr.AddMerchantAccountInformation(mpm.ID("29"), merchantAccountInformationJCB)

	merchantAccountInformationMaster := new(mpm.MerchantAccountInformation)

	merchantAccountInformationMaster.SetGloballyUniqueIdentifier("M123456")

	merchantAccountInformationMaster.AddPaymentNetworkSpecific("04", "MASTER1234567890")

	emvqr.AddMerchantAccountInformation(mpm.ID("31"), merchantAccountInformationMaster)

	emvqr.SetMerchantCategoryCode("5311")

	emvqr.SetTransactionCurrency("392")

	emvqr.SetTransactionAmount("999.123")

	emvqr.SetCountryCode("JP")

	emvqr.SetMerchantName("DONGRI")

	emvqr.SetMerchantCity("TOKYO")

	additionalTemplate := new(mpm.AdditionalDataFieldTemplate)

	additionalTemplate.SetBillNumber("hoge")

	additionalTemplate.SetReferenceLabel("fuga")

	additionalTemplate.SetTerminalLabel("piyo")

	emvqr.SetAdditionalDataFieldTemplate(additionalTemplate)

	code, err := mpm.Encode(emvqr)

	if err != nil {

		log.Println(err.Error())

		return

	}

	log.Println(code) // 0002010102121313JCB12345678900416MASTER12345678905204531153033925407999.1235802JP5906DONGRI6005TOKYO62240104hoge0504fuga0704piyo6304C343

	// MPM Decode

	emvqr, err = mpm.Decode("00020101021229300012D156000000000510A93FO3230Q31280012D15600000001030812345678520441115802CN5914BEST TRANSPORT6007BEIJING64200002ZH0104最佳运输0202北京540523.7253031565502016233030412340603***0708A60086670902ME91320016A0112233449988770708123456786304A13A")

	if err != nil {

		log.Println(err)

		return

	}

	log.Println(emvqr)

	// Print Raw Data

	raw := emvqr.RawData()

	log.Println("\n" + raw)

	// Print Binary Data

	binary := emvqr.BinaryData()

	log.Println("\n" + binary)

	// Print JSON

	json := emvqr.JSON()

	log.Println(json)

}

```

### CPM (Consumer Presented Mode)

```go

package main

import(

	"log"

	"github.com/dongri/emv-qrcode/emv/cpm"

)

func main() {

	qr := new(cpm.EMVQR)

	qr.DataPayloadFormatIndicator = "CPV01"

	appTemplate1 := new(cpm.ApplicationTemplate)

	appTemplate1.DataApplicationDefinitionFileName = "A0000000555555"

	appTemplate1.DataApplicationLabel = "Product1"

	qr.ApplicationTemplates = append(qr.ApplicationTemplates, *appTemplate1)

	appTemplate2 := new(cpm.ApplicationTemplate)

	appTemplate2.DataApplicationDefinitionFileName = "A0000000666666"

	appTemplate2.DataApplicationLabel = "Product2"

	qr.ApplicationTemplates = append(qr.ApplicationTemplates, *appTemplate2)

	cdt := new(cpm.CommonDataTemplate)

	cdt.DataApplicationPAN = "1234567890123458"

	cdt.DataCardholderName = "CARDHOLDER/EMV"

	cdt.DataLanguagePreference = "ruesdeen"

	cdtt := new(cpm.CommonDataTransparentTemplate)

	cdtt.DataIssuerApplicationData = "06010A03000000"

	cdtt.DataApplicationCryptogram = "584FD385FA234BCC"

	cdtt.DataApplicationTransactionCounter = "0001"

	cdtt.DataUnpredictableNumber = "6D58EF13"

	cdt.CommonDataTransparentTemplates = append(cdt.CommonDataTransparentTemplates, *cdtt)

	qr.CommonDataTemplates = append(qr.CommonDataTemplates, *cdt)

	comQRCode, err := qr.GeneratePayload()

	if err != nil {

		log.Println(err)

	}

	log.Println(comQRCode)

	// hQVDUFYwMWETTwegAAAAVVVVUAhQcm9kdWN0MWETTwegAAAAZmZmUAhQcm9kdWN0MmJJWggSNFZ4kBI0WF8gDkNBUkRIT0xERVIvRU1WXy0IcnVlc2RlZW5kIZ8QBwYBCgMAAACfJghYT9OF+iNLzJ82AgABnzcEbVjvEw==

}

```