Class: Platon::Key

Inherits:
Object
  • Object
show all
Defined in:
lib/platon/key.rb

Defined Under Namespace

Classes: Decrypter, Encrypter

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(priv: nil) ⇒ Key

Returns a new instance of Key.



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# File 'lib/platon/key.rb', line 48

def initialize(priv: nil)
  @private_key = MoneyTree::PrivateKey.new key: priv
  @public_key = MoneyTree::PublicKey.new private_key, compressed: false
end

Instance Attribute Details

#private_key ⇒ Object (readonly)

Returns the value of attribute private_key.



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# File 'lib/platon/key.rb', line 6

def private_key
  @private_key
end

#public_key ⇒ Object (readonly)

Returns the value of attribute public_key.



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# File 'lib/platon/key.rb', line 6

def public_key
  @public_key
end

Class Method Details

.decrypt(data, password) ⇒ Object 



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# File 'lib/platon/key.rb', line 14

def self.decrypt(data, password)
  priv = Decrypter.perform data, password
  new priv: priv
end

.encrypt(key, password, options = {}) ⇒ Object 



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# File 'lib/platon/key.rb', line 8

def self.encrypt(key, password,options={})
  key = new(priv: key) unless key.is_a?(Key)

  Encrypter.perform key.private_hex, password ,options
end

.encrypt_and_save(key, password, options = {}) ⇒ Object 



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# File 'lib/platon/key.rb', line 19

def self.encrypt_and_save(key,password,options={})
  encrypted_key_info = encrypt(key,password,options)
  ## PlatON似乎打算兼容以太地址, 暂时默认以 0x 地址命名 
  keypath = options[:keypath]
  if keypath==nil || keypath=="" 
    address = key.address
    dirname = "#{ENV['HOME']}/.platon/keystore/"
    FileUtils.mkdir_p(dirname) unless Dir.exists?(dirname)
    File.write File.join(dirname, "#{key.address}.json") , encrypted_key_info
  else
    File.write keypath , encrypted_key_info
  end
  return encrypted_key_info
end

.list_wallets(options = {}) ⇒ Object 



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# File 'lib/platon/key.rb', line 34

def self.list_wallets(options={})
  keypath = options[:keypath]
  if keypath==nil || keypath=="" 
    Dir.glob("#{ENV['HOME']}/.platon/keystore/*").select { |e| File.file? e }
  else
    Dir.glob(keypath + "/*").select { |e| File.file? e }
  end
end

.personal_recover(message, signature) ⇒ Object 



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# File 'lib/platon/key.rb', line 43

def self.personal_recover(message, signature)
  bin_signature = Utils.hex_to_bin(signature).bytes.rotate(-1).pack('c*')
  OpenSsl.recover_compact(Utils.keccak256(Utils.prefix_message(message)), bin_signature)
end

Instance Method Details

#address ⇒ Object Also known as: to_address 



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# File 'lib/platon/key.rb', line 65

def address
  Utils.public_key_to_address public_hex
end

#bech32_address(hrp: "lat") ⇒ Object 



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# File 'lib/platon/key.rb', line 69

def bech32_address(hrp:"lat")
  Utils.to_bech32_address(hrp,address)
end

#personal_sign(message) ⇒ Object 



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# File 'lib/platon/key.rb', line 90

def personal_sign(message)
  Utils.bin_to_hex(sign(Utils.prefix_message(message)).bytes.rotate(1).pack('c*'))
end

#private_hex ⇒ Object 



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# File 'lib/platon/key.rb', line 53

def private_hex
  private_key.to_hex
end

#public_bytes ⇒ Object 



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# File 'lib/platon/key.rb', line 57

def public_bytes
  public_key.to_bytes
end

#public_hex ⇒ Object 



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# File 'lib/platon/key.rb', line 61

def public_hex
  public_key.to_hex
end

#sign(message) ⇒ Object 



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# File 'lib/platon/key.rb', line 74

def sign(message)
  sign_hash message_hash(message)
end

#sign_hash(hash) ⇒ Object 



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# File 'lib/platon/key.rb', line 78

def sign_hash(hash)
  loop do
    signature = OpenSsl.sign_compact hash, private_hex, public_hex
    return signature if valid_s? signature
  end
end

#verify_signature(message, signature) ⇒ Object 



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# File 'lib/platon/key.rb', line 85

def verify_signature(message, signature)
  hash = message_hash(message)
  public_hex == OpenSsl.recover_compact(hash, signature)
end