qrcode_pix_ruby

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qrcode_pix_ruby

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Ruby gem for QRCode generation of Pix (Pagamento Instantâneo Brasileiro - Banco Central do Brasil)

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# QRCode Pix Ruby

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Ruby gem for Qrcode generation of Pix (Pagamento Instantâneo Brasileiro - Banco Central do Brasil).

## Installation

Add this line to your application's Gemfile:

```ruby
gem 'qrcode_pix_ruby'
```

And then execute:

bundle install

Or install it yourself as:

gem install qrcode_pix_ruby

## Usage (examples)

### Available parameters

- pix_key/url
- repeatable
- currency
- country_code
- description
- postal_code
- merchant_name
- merchant_city
- transaction_id
- amount

### Static QR Code

```ruby
require 'qrcode_pix_ruby'

pix = QrcodePixRuby::Payload.new(
  pix_key:        'minhachavedopix',
  description:    'Pagamento do pedido 123456',
  merchant_name:  'Fulano de Tal',
  merchant_city:  'SAO PAULO',
  transaction_id: 'TID12345',
  amount:         '100.00',
  currency:       '986',
  country_code:   'BR',
  postal_code:    '01131010',
  repeatable:     false
)

# If needed, change the attributes value later
pix.pix_key = 'minhaoutrachavepix'
pix.merchant_city = 'BRASILIA'

# QRCode copia-e-cola
puts pix.payload

# QRCode for images
puts pix.base64
```

### Dynamic QR Code

```ruby
require 'qrcode_pix_ruby'

pix = QrcodePixRuby::Payload.new(
  url:            'https://example.com',
  merchant_name:  'Fulano de Tal',
  merchant_city:  'SAO PAULO',
  amount:         '100.00',
  transaction_id: 'TID12345',
  repeatable:     false
)

# If needed, change the attributes value later
pix.url = 'https://another-example.com'
pix.amount = 1.50

# QRCode copia-e-cola
puts pix.payload

# QRCode para uso em imagens
puts pix.base64
```

🚨 Important note: BACEN (Banco Central do Brasil) sets a variety of rules for each field in QRCode Payload (maximum number of characters, invalid values, mandatory and optional fields, and so on). So, pay attention that a QRCode payload+base64 generated by the gem can be valid, theorically, but may not be accepted in banking apps because of these restrictions (that are out of scope of gem).

## Execute tests/specs locally

To execute gem tests locally, use Docker with the commands below:

```bash
git clone https://github.com/pedrofurtado/qrcode_pix_ruby
cd qrcode_pix_ruby/
docker build -t qrcode_pix_ruby_specs .

# Then, run this command how many times you want,
# after editing local files, and so on, to get
# feedback from test suite of gem.
docker run -v $(pwd):/app/ -it qrcode_pix_ruby_specs
```

## Execute demo locally

To execute demo locally, use Docker with the commands below:

```bash
git clone https://github.com/pedrofurtado/qrcode_pix_ruby
cd qrcode_pix_ruby/demo/
docker build -t qrcode_pix_ruby_demo .

# Then, access http://localhost:3000 the see demo in action.
docker run -p 3000:3000 -it qrcode_pix_ruby_demo
```

## Useful links

* https://github.com/joseviniciusnunes/qrcode-pix
* https://www.bcb.gov.br/content/estabilidadefinanceira/forumpireunioes/AnexoI-PadroesParaIniciacaodoPix.pdf
* https://github.com/renatomb/php_qrcode_pix
* https://www.gerarpix.com.br
* https://github.com/fbbergamo/gerador-pix
* https://pix.ae
* https://pix.nascent.com.br/tools/pix-qr-decoder
* https://openpix.com.br/qrcode/scanner
* https://openpix.com.br/qrcode/debug
* https://github.com/william-costa/wdev-qrcode-pix-estatico-php
* https://github.com/william-costa/wdev-qrcode-pix-php
* https://www.youtube.com/watch?v=eO11iFgrdCA
* https://qrcodepix.dinheiro.tech
* http://decoder.qrcodepix.dinheiro.tech
* https://www.bcb.gov.br/estabilidadefinanceira/pix
* https://gerencianet.com.br/blog/qr-code-estatico-qr-code-dinamico-no-pix
* https://blog.juno.com.br/pix-qr-code-estatico-x-qr-code-dinamico
* https://github.com/entria/awesome-pix
* https://zxing.org/w/decode.jspx
* https://github.com/hiagodotme/gpix
* https://github.com/EnssureIT/faz-um-pix
* https://github.com/jesobreira/pixkey
* https://github.com/pedrinholemes/pix-br
* https://github.com/ceciliadeveza/gerarqrcodepix
* https://www.bcb.gov.br/content/estabilidadefinanceira/SiteAssets/Manual%20do%20BR%20Code.pdf
* https://www.bcb.gov.br/content/estabilidadefinanceira/spb_docs/ManualBRCode.pdf

## Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/pedrofurtado/qrcode_pix_ruby. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [code of conduct](https://github.com/pedrofurtado/qrcode_pix_ruby/blob/master/CODE_OF_CONDUCT.md).

## License

The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).

## Code of Conduct

Everyone interacting in the qrcode_pix_ruby project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/pedrofurtado/qrcode_pix_ruby/blob/master/CODE_OF_CONDUCT.md).

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