Class: Eth::Tx

Inherits:
Object
  • Object
show all
Extended by:
Sedes
Includes:
RLP::Sedes::Serializable
Defined in:
lib/eth/tx.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Sedes

address, big_endian_int, binary, hash32, int20, int256, int32, trie_root

Constructor Details

#initialize(*args) ⇒ Tx

Returns a new instance of Tx.



26
27
28
29
30
31
32
33
 
# File 'lib/eth/tx.rb', line 26

def initialize(*args)
  fields = {v: 0, r: 0, s: 0}.merge parse_field_args(args)
  fields[:to] = Utils.normalize_address(fields[:to])

  serializable_initialize fields

  check_transaction_validity
end

Instance Attribute Details

#signature ⇒ Object 



66
67
68
69
70
71
 
# File 'lib/eth/tx.rb', line 66

def signature
  return @signature if @signature
  self.signature = [v, r, s].map do |integer|
    Utils.int_to_base256 integer
  end.join if [v, r, s].all?
end

Class Method Details

.decode(data) ⇒ Object 



21
22
23
24
 
# File 'lib/eth/tx.rb', line 21

def self.decode(data)
  data = Utils.hex_to_bin(data) if data.match(/\A\h+\Z/)
  deserialize(RLP.decode data)
end

Instance Method Details

#encoded ⇒ Object 



39
40
41
 
# File 'lib/eth/tx.rb', line 39

def encoded
  RLP.encode self
end

#from ⇒ Object 



61
62
63
64
 
# File 'lib/eth/tx.rb', line 61

def from
  return @from if @from
  @from ||= OpenSsl.recover_compact(signature_hash, signature) if signature
end

#hex ⇒ Object 



43
44
45
 
# File 'lib/eth/tx.rb', line 43

def hex
  bin_to_hex encoded
end

#sign(key) ⇒ Object 



47
48
49
50
51
52
 
# File 'lib/eth/tx.rb', line 47

def sign(key)
  self.signature = key.sign(unsigned_encoded)
  self.vrs = Utils.v_r_s_for signature

  self
end

#to_h ⇒ Object 



54
55
56
57
58
59
 
# File 'lib/eth/tx.rb', line 54

def to_h
  self.class.serializable_fields.keys.inject({}) do |hash, field|
    hash[field] = send field
    hash
  end
end

#unsigned_encoded ⇒ Object 



35
36
37
 
# File 'lib/eth/tx.rb', line 35

def unsigned_encoded
  RLP.encode self, sedes: Tx.exclude([:v, :r, :s])
end