Class: Zold::Patch
- Inherits:
-
Object
- Object
- Zold::Patch
- Defined in:
- lib/zold/patch.rb
Overview
A patch
Instance Method Summary collapse
- #join(wallet) ⇒ Object
-
#save(file, overwrite: false) ⇒ Object
Returns TRUE if the file was actually modified.
- #to_s ⇒ Object
Instance Method Details
#join(wallet) ⇒ Object
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# File 'lib/zold/patch.rb', line 38 def join(wallet) if @id.nil? @id = wallet.id @key = wallet.key @txns = wallet.txns @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 } next if txn.amount.negative? && !@txns.empty? && (txn.id <= max || @txns.find { |t| t.id == txn.id } || @txns.map(&:amount).inject(&:+) < txn.amount) if !txn.amount.negative? && !txn.sign.empty? raise "RSA signature is redundant at ##{txn.id} of #{wallet.id}: #{txn.to_text}" end if txn.amount.negative? && !Signature.new.valid?(@key, wallet.id, txn) raise "Invalid RSA signature at transaction ##{txn.id} of #{wallet.id}: #{txn.to_text}" end @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 70 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 33 def to_s return 'empty' if @id.nil? "#{@txns.count} txns" end |