lib/zold/commands/pay.rb
def run(args = [])
      opts = Slop.parse(args, help: true, suppress_errors: true) do |o|
        o.banner = "Usage: zold pay wallet target amount [details] [options]
Where:
    'wallet' is the sender's wallet ID
    'target' is the beneficiary (either wallet ID or invoice number)'
    'amount' is the amount to pay, for example: '14.95Z' (in ZLD) or '12345z' (in zents)
    'details' is the optional text to attach to the payment
Available options:"
        o.string '--private-key',
          'The location of RSA private key (default: ~/.ssh/id_rsa)',
          require: true,
          default: File.expand_path('~/.ssh/id_rsa')
        o.string '--network',
          'The name of the network we work in',
          default: 'test'
        o.bool '--force',
          'Ignore all validations',
          default: false
        o.string '--time',
          "Time of transaction (default: #{Time.now.utc.iso8601})",
          default: Time.now.utc.iso8601
        o.string '--keygap',
          'Keygap, if the private RSA key is not complete',
          default: ''
        o.bool '--tolerate-edges',
          'Don\'t fail if only "edge" (not "master" ones) nodes have the wallet',
          default: false
        o.integer '--tolerate-quorum',
          'The minimum number of nodes required for a successful fetch (default: 4)',
          default: 4
        o.bool '--dont-pay-taxes',
          'Don\'t pay taxes even if the wallet is in debt',
          default: false
        o.bool '--skip-propagate',
          'Don\'t propagate the paying wallet after successful pay',
          default: false
        o.bool '--help', 'Print instructions'
      end
      mine = Args.new(opts, @log).take || return
      raise 'Payer wallet ID is required as the first argument' if mine[0].nil?
      id = Id.new(mine[0])
      raise 'Recepient\'s invoice or wallet ID is required as the second argument' if mine[1].nil?
      invoice = mine[1]
      unless invoice.include?('@')
        require_relative 'invoice'
        invoice = Invoice.new(wallets: @wallets, remotes: @remotes, copies: @copies, log: @log).run(
          ['invoice', invoice, "--tolerate-quorum=#{Shellwords.escape(opts['tolerate-quorum'])}"] +
          ["--network=#{Shellwords.escape(opts['network'])}"] +
          (opts['tolerate-edges'] ? ['--tolerate-edges'] : [])
        )
      end
      raise 'Amount is required (in ZLD) as the third argument' if mine[2].nil?
      amount = amount(mine[2].strip)
      details = mine[3] || '-'
      taxes(id, opts)
      txn = @wallets.acq(id, exclusive: true) do |from|
        pay(from, invoice, amount, details, opts)
      end
      return if opts['skip-propagate']
      require_relative 'propagate'
      Propagate.new(wallets: @wallets, log: @log).run(['propagate', id.to_s])
      txn
    end
def run(args = [])
      opts = Slop.parse(args, help: true, suppress_errors: true) do |o|
        o.banner = "Usage: zold pay wallet target amount [details] [options]
Where:
    'wallet' is the sender's wallet ID
    'target' is the beneficiary (either wallet ID or invoice number)'
    'amount' is the amount to pay, for example: '14.95Z' (in ZLD) or '12345z' (in zents)
    'details' is the optional text to attach to the payment
Available options:"
        o.string '--private-key',
          'The location of RSA private key (default: ~/.ssh/id_rsa)',
          require: true,
          default: File.expand_path('~/.ssh/id_rsa')
        o.string '--network',
          'The name of the network we work in',
          default: 'test'
        o.bool '--force',
          'Ignore all validations',
          default: false
        o.string '--time',
          "Time of transaction (default: #{Time.now.utc.iso8601})",
          default: Time.now.utc.iso8601
        o.string '--keygap',
          'Keygap, if the private RSA key is not complete',
          default: ''
        o.bool '--tolerate-edges',
          'Don\'t fail if only "edge" (not "master" ones) nodes have the wallet',
          default: false
        o.integer '--tolerate-quorum',
          'The minimum number of nodes required for a successful fetch (default: 4)',
          default: 4
        o.bool '--dont-pay-taxes',
          'Don\'t pay taxes even if the wallet is in debt',
          default: false
        o.bool '--skip-propagate',
          'Don\'t propagate the paying wallet after successful pay',
          default: false
        o.bool '--help', 'Print instructions'
      end
      mine = Args.new(opts, @log).take || return
      raise 'Payer wallet ID is required as the first argument' if mine[0].nil?
      id = Id.new(mine[0])
      raise 'Recepient\'s invoice or wallet ID is required as the second argument' if mine[1].nil?
      invoice = mine[1]
      unless invoice.include?('@')
        require_relative 'invoice'
        invoice = Invoice.new(wallets: @wallets, remotes: @remotes, copies: @copies, log: @log).run(
          ['invoice', invoice, "--tolerate-quorum=#{Shellwords.escape(opts['tolerate-quorum'])}"] +
          ["--network=#{Shellwords.escape(opts['network'])}"] +
          (opts['tolerate-edges'] ? ['--tolerate-edges'] : [])
        )
      end
      raise 'Amount is required (in ZLD) as the third argument' if mine[2].nil?
      amount = amount(mine[2].strip)
      details = mine[3] || '-'
      taxes(id, opts)
      txn = @wallets.acq(id, exclusive: true) do |from|
        pay(from, invoice, amount, details, opts)
      end
      return if opts['skip-propagate']
      require_relative 'propagate'
      Propagate.new(wallets: @wallets, log: @log).run(['propagate', id.to_s])
      txn
    end
Sends a payment and returns the transaction just created in the
 paying wallet, an instance of Zold::Txn