class Laksa::Account::Wallet
Public Class Methods
new(provider = nil, accounts = {})
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to_checksum_address(address)
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takes hex-encoded string and returns the corresponding address
@param {string} address @returns {string}
# File lib/laksa/account/wallet.rb, line 77 def self.to_checksum_address(address) address = address.downcase.gsub('0x', '') s1 = Digest::SHA256.hexdigest(Util.decode_hex(address)) v = s1.to_i(base=16) ret = ['0x'] address.each_char.each_with_index do |c, idx| if '1234567890'.include?(c) ret << c else ret << ((v & (2 ** (255 - 6 * idx))) < 1 ? c.downcase : c.upcase) end end ret.join end
Public Instance Methods
add_by_keystore(keystore, passphrase)
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Adds an account by keystore
# File lib/laksa/account/wallet.rb, line 43 def add_by_keystore(keystore, passphrase) account = Laksa::Account::Account.from_file(keystore, passphrase) @accounts[account.address] = account @default_account = account unless @default_account account.address end
add_by_private_key(private_key)
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Adds an account to the wallet by private key.
# File lib/laksa/account/wallet.rb, line 31 def add_by_private_key(private_key) account = Laksa::Account::Account.new(private_key) @accounts[account.address] = account @default_account = account unless @default_account account.address end
create()
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Creates a new keypair with a randomly-generated private key. The new account is accessible by address.
# File lib/laksa/account/wallet.rb, line 19 def create private_key = Laksa::Crypto::KeyTool.generate_private_key account = Laksa::Account::Account.new(private_key) @accounts[account.address] = account @default_account = account unless @default_account account.address end
remove(address)
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Removes an account from the wallet and returns boolean to indicate failure or success.
# File lib/laksa/account/wallet.rb, line 56 def remove(address) if @accounts.has_key?(address) @accounts.delete(address) true else false end end
set_default(address)
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Sets the default account of the wallet.
# File lib/laksa/account/wallet.rb, line 67 def set_default(address) @default_account = @accounts[address] end
sign(tx)
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signs an unsigned transaction with the default account.
# File lib/laksa/account/wallet.rb, line 96 def sign(tx) tx_params = tx.tx_params if tx_params.sender_pub_key # attempt to find the address address = Laksa::Crypto::KeyTool.get_address_from_public_key(tx_params.sender_pub_key) account = @accounts[address] raise 'Could not sign the transaction with address as it does not exist' unless account self.sign_with(tx, address) else raise 'This wallet has no default account.' unless @default_account self.sign_with(tx, @default_account.address) end end
sign_with(tx, address)
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# File lib/laksa/account/wallet.rb, line 112 def sign_with(tx, address) account = @accounts[address] raise 'The selected account does not exist on this Wallet instance.' unless account if tx.nonce == nil result = @provider.GetBalance(account.address) tx.nonce = result['nonce'].to_i + 1 end tx.sender_pub_key = account.public_key sig = account.sign_transaction(tx) tx.signature = sig.to_s tx end