Module: X402::Rails::ControllerExtensions

Extended by:
ActiveSupport::Concern
Defined in:
lib/x402/rails/controller_extensions.rb

Instance Method Summary collapse

Instance Method Details

#x402_payment_attempted?(version: nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/x402/rails/controller_extensions.rb', line 89

def x402_payment_attempted?(version: nil)
  x402_payment_header(version: version).present?
end

#x402_payment_header(version: nil) ⇒ Object

The raw payment header, or nil when absent (or when the version is invalid). Pass version: on endpoints that override it via x402_paywall(version:).



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# File 'lib/x402/rails/controller_extensions.rb', line 82

def x402_payment_header(version: nil)
  version_strategy = X402::Versions.for(version || X402.configuration.version)
  request.headers[version_strategy.payment_header_name].presence
rescue X402::ConfigurationError
  nil
end

#x402_paywall(options = {}) ⇒ Object 



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# File 'lib/x402/rails/controller_extensions.rb', line 38

def x402_paywall(options = {})
  amount = options[:amount] or raise ArgumentError, "amount is required"
  chain = options[:chain]
  currency = options[:currency]
  protocol_version = options[:version] || X402.configuration.version
  wallet_address = options[:wallet_address]
  fee_payer = options[:fee_payer]
  accepts = options[:accepts]
  @x402_paywall_extensions = options[:extensions]

  begin
    version_strategy = X402::Versions.for(protocol_version)
  rescue X402::ConfigurationError => e
    return render_configuration_error(e.message)
  end

  payment_header = request.headers[version_strategy.payment_header_name]

  if payment_header.nil? || payment_header.empty?
    return render_payment_required(
      amount,
      chain: chain,
      currency: currency,
      version: protocol_version,
      wallet_address: wallet_address,
      fee_payer: fee_payer,
      accepts: accepts
    )
  end

  process_payment(
    payment_header, amount,
    chain: chain,
    currency: currency,
    version: protocol_version,
    wallet_address: wallet_address,
    fee_payer: fee_payer,
    accepts: accepts
  )
end