Class: Zold::Patch
- Inherits:
-
Object
- Object
- Zold::Patch
- Defined in:
- lib/zold/patch.rb
Overview
A patch
Instance Method Summary collapse
-
#initialize(log: Log::Quiet.new) ⇒ Patch
constructor
A new instance of Patch.
- #join(wallet) ⇒ Object
-
#save(file, overwrite: false) ⇒ Object
Returns TRUE if the file was actually modified.
- #to_s ⇒ Object
Constructor Details
Instance Method Details
#join(wallet) ⇒ Object
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# File 'lib/zold/patch.rb', line 43 def join(wallet) if @id.nil? @id = wallet.id @key = wallet.key @txns = wallet.txns @log.debug("The baseline: #{@txns.count} transactions, the balance is #{wallet.balance}") @network = wallet.network end if wallet.network != @network raise "The wallet is from a different network '#{wallet.network}', ours is '#{@network}'" end raise 'Public key mismatch' if wallet.key != @key raise "Wallet ID mismatch: #{@id} != #{wallet.id}" if wallet.id != @id negative = @txns.select { |t| t.amount.negative? } max = negative.empty? ? 0 : negative.max_by(&:id).id wallet.txns.each do |txn| next if @txns.find { |t| t == txn } if txn.amount.negative? if txn.id <= max @log.debug("Transaction ID is less than max #{max}: #{txn.to_text}") next end if @txns.find { |t| t.id == txn.id } @log.debug("Transaction ##{txn.id} already exists: #{txn.to_text}") next end if !@txns.empty? && @txns.map(&:amount).inject(&:+) < txn.amount @log.debug("Transaction ##{txn.id} attempts to make the balance negative: #{txn.to_text}") next end unless Signature.new.valid?(@key, wallet.id, txn) @log.debug("Invalid RSA signature at transaction ##{txn.id} of #{wallet.id}: #{txn.to_text}") next end elsif !txn.sign.nil? && !txn.sign.empty? @log.debug("RSA signature is redundant at ##{txn.id} of #{wallet.id}: #{txn.to_text}") next end @log.debug("Merged on top: #{txn.to_text}") @txns << txn end end |
#save(file, overwrite: false) ⇒ Object
Returns TRUE if the file was actually modified
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# File 'lib/zold/patch.rb', line 87 def save(file, overwrite: false) raise 'You have to join at least one wallet in' if @id.nil? before = '' before = AtomicFile.new(file).read if File.exist?(file) wallet = Wallet.new(file) wallet.init(@id, @key, overwrite: overwrite, network: @network) @txns.each { |t| wallet.add(t) } after = AtomicFile.new(file).read before != after end |
#to_s ⇒ Object
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# File 'lib/zold/patch.rb', line 38 def to_s return 'empty' if @id.nil? "#{@txns.count} txns" end |