Class: Peatio::Ripple::Wallet

Inherits:
Wallet::Abstract
  • Object
show all
Defined in:
lib/peatio/ripple/wallet.rb

Constant Summary collapse

Error = 
Class.new(StandardError)
DEFAULT_FEATURES = 
{ skip_deposit_collection: false }.freeze

Instance Method Summary collapse

Constructor Details

#initialize(custom_features = {}) ⇒ Wallet

Returns a new instance of Wallet.



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# File 'lib/peatio/ripple/wallet.rb', line 9

def initialize(custom_features = {})
  @features = DEFAULT_FEATURES.merge(custom_features).slice(*SUPPORTED_FEATURES)
  @settings = {}
end

Instance Method Details

#calculate_current_fee ⇒ Object

Returns fee in drops that is enough to process transaction in current ledger



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# File 'lib/peatio/ripple/wallet.rb', line 100

def calculate_current_fee
  client.json_rpc(:fee, {}).yield_self do |result|
    result.dig('drops', 'open_ledger_fee').to_i
  end
end

#configure(settings = {}) ⇒ Object 



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# File 'lib/peatio/ripple/wallet.rb', line 14

def configure(settings = {})
  # Clean client state during configure.
  @client = nil
  @settings.merge!(settings.slice(*SUPPORTED_SETTINGS))

  @wallet = @settings.fetch(:wallet) do
    raise Peatio::Wallet::MissingSettingError, :wallet
  end.slice(:uri, :address, :secret)

  @currency = @settings.fetch(:currency) do
    raise Peatio::Wallet::MissingSettingError, :currency
  end.slice(:id, :base_factor, :options)
end

#create_address!(_setting) ⇒ Object 



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# File 'lib/peatio/ripple/wallet.rb', line 28

def create_address!(_setting)
  {
    address: "#{@wallet[:address]}?dt=#{SecureRandom.random_number(10**6)}",
    secret: @wallet[:secret]
  }
end

#create_raw_address(options = {}) ⇒ Object 



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# File 'lib/peatio/ripple/wallet.rb', line 35

def create_raw_address(options = {})
  secret = options.fetch(:secret) { PasswordGenerator.generate(64) }
  result = client.json_rpc(:wallet_propose, [{ passphrase: secret }])

  result.slice('key_type', 'master_seed', 'master_seed_hex',
                'master_key', 'public_key', 'public_key_hex')
        .merge(address: normalize_address(result.fetch('account_id')), secret: secret)
        .symbolize_keys
end

#create_transaction!(transaction, options = {}) ⇒ Object 



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# File 'lib/peatio/ripple/wallet.rb', line 45

def create_transaction!(transaction, options = {})
  tx_blob = sign_transaction(transaction, options)
  client.json_rpc(:submit, [tx_blob]).yield_self do |result|
    error_message = {
      message: result.fetch('engine_result_message'),
      status: result.fetch('engine_result')
    }

    # TODO: It returns provision results. Transaction may fail or success
    # than change status to opposite one before ledger is final.
    # Need to set special status and recheck this transaction status
    if result['engine_result'].to_s == 'tesSUCCESS' && result['status'].to_s == 'success'
      transaction.hash = result.fetch('tx_json').fetch('hash')
    else
      raise Error, "XRP withdrawal from #{@wallet.fetch(:address)} to #{transaction.to_address} failed. Message: #{error_message}."
    end
    transaction
  end
end

#latest_block_number ⇒ Object 



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# File 'lib/peatio/ripple/wallet.rb', line 106

def latest_block_number
  client.json_rpc(:ledger, [{ ledger_index: 'validated' }]).fetch('ledger_index')
rescue Client::Error => e
  raise Peatio::Blockchain::ClientError, e
end

#load_balance! ⇒ Object 



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# File 'lib/peatio/ripple/wallet.rb', line 112

def load_balance!
  client.json_rpc(:account_info,
                  [account: normalize_address(@wallet.fetch(:address)), ledger_index: 'validated', strict: true])
                  .fetch('account_data')
                  .fetch('Balance')
                  .to_d
                  .yield_self { |amount| convert_from_base_unit(amount) }

rescue Client::Error => e
  raise Peatio::Wallet::ClientError, e
end

#sign_transaction(transaction, options = {}) ⇒ Object 



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# File 'lib/peatio/ripple/wallet.rb', line 65

def sign_transaction(transaction, options = {})
   = normalize_address(@wallet[:address])
  destination_address = normalize_address(transaction.to_address)
  destination_tag = destination_tag_from(transaction.to_address)
  fee = calculate_current_fee

  amount = convert_to_base_unit(transaction.amount)

  # Subtract fees from initial deposit amount in case of deposit collection
  amount -= fee if options.dig(:subtract_fee)
  transaction.amount = convert_from_base_unit(amount) unless transaction.amount == amount

    params = [{
    secret: @wallet.fetch(:secret),
    tx_json: {
      Account:            ,
      Amount:             amount.to_s,
      Fee:                fee.to_s,
      Destination:        destination_address,
      DestinationTag:     destination_tag,
      TransactionType:    'Payment',
      LastLedgerSequence: latest_block_number + 4
      }
    }]

  client.json_rpc(:sign, params).yield_self do |result|
    if result['status'].to_s == 'success'
      { tx_blob: result['tx_blob'] }
    else
      raise Error, "XRP sign transaction from #{} to #{destination_address} failed: #{result}."
    end
  end
end