Class: Mastercoin::PurchaseOffer

Inherits:
Message
  • Object
show all
Defined in:
lib/mastercoin-ruby/purchase_offer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Message

decode, decode_from_compressed_public_key, #encode_to_compressed_public_key, #mangle_key_until_valid, probe, probe_and_read

Constructor Details

#initialize(options = {}) ⇒ PurchaseOffer

Supply the amount in ‘dacoinminster’s 77702fd6333eb5a67fa03b6fdb0fda04981bd671fd2a9175e2bee43340770940



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 7

def initialize(options= {})
  self.transaction_type = Mastercoin::TRANSACTION_PURCHASE_BTC_TRADE
  self.currency_id = options[:currency_id]
  self.amount = options[:amount]
end

Instance Attribute Details

#amount ⇒ Object

Returns the value of attribute amount.



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 3

def amount
  @amount
end

#currency_id ⇒ Object

Returns the value of attribute currency_id.



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 3

def currency_id
  @currency_id
end

#transaction_type ⇒ Object

Returns the value of attribute transaction_type.



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 3

def transaction_type
  @transaction_type
end

Class Method Details

.decode_from_address(raw_address) ⇒ Object 



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 38

def self.decode_from_address(raw_address)
  simple_send = Mastercoin::PurchaseOffer.new
  decoded = Bitcoin.decode_base58(raw_address)
  simple_send.sequence = decoded[2..3].to_i(16)
  simple_send.transaction_type = decoded[4..11].to_i(16)
  simple_send.currency_id = decoded[12..19].to_i(16)
  simple_send.amount = decoded[20..35].to_i(16)
  return simple_send
end

.decode_key_to_data(public_key) ⇒ Object 



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 19

def self.decode_key_to_data(public_key)
  simple_send = PurchaseOffer.new
  simple_send.transaction_type = public_key[2..9].to_i(16)
  simple_send.currency_id = public_key[10..17].to_i(16)
  simple_send.amount = public_key[18..33].to_i(16)
  return simple_send
end

Instance Method Details

#currency_id_text ⇒ Object 



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 57

def currency_id_text
  Mastercoin::CURRENCY_IDS[self.currency_id.to_s]
end

#encode_data_to_key ⇒ Object 



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 27

def encode_data_to_key
  raw = (self.public_key_sequence.to_i.to_s(16).rjust(2, "0") + self.transaction_type.to_i.to_s(16).rjust(8,"0") + self.currency_id.to_i.to_s(16).rjust(8, "0") + self.amount.to_i.to_s(16).rjust(16, "0"))
  raw = raw.ljust(62,"0")
  return raw
end

#encode_to_address ⇒ Object 



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 33

def encode_to_address
  raw = (self.get_sequence.to_i.to_s(16).rjust(2, "0") + self.transaction_type.to_i.to_s(16).rjust(8,"0") + self.currency_id.to_i.to_s(16).rjust(8, "0") + self.amount.to_i.to_s(16).rjust(16, "0") + "000000")
  Bitcoin.hash160_to_address(raw)
end

#explain(sending_address = nil) ⇒ Object 



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 53

def explain(sending_address= nil)
  "Purchase Offer transaction for %.8f #{self.currency_id_text} from #{sending_address}." % (self.amount / 1e8)
end

#get_sequence(bitcoin_address = nil) ⇒ Object 



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 48

def get_sequence(bitcoin_address = nil)
  bitcoin_address ||= self.receiving_address
  Mastercoin::Util.get_sequence(bitcoin_address)
end

#public_key_sequence ⇒ Object

hardcode the sequence for a public key simple send since it’s always fits inside a public key Please note that we start at 01 - 00 will generate unvalid ECDSA points somehow



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# File 'lib/mastercoin-ruby/purchase_offer.rb', line 15

def public_key_sequence
  01
end