Class: LiabilityProof::Tree

Inherits:
Object
  • Object
show all
Defined in:
lib/liability-proof/tree.rb,
lib/liability-proof/tree/node.rb,
lib/liability-proof/tree/leaf_node.rb,
lib/liability-proof/tree/internal_node.rb

Defined Under Namespace

Modules: Node Classes: InternalNode, LeafNode

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(accounts, options = {}) ⇒ Tree

Returns a new instance of Tree.

Raises:

  • (ArgumentError) 


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# File 'lib/liability-proof/tree.rb', line 13

def initialize(accounts, options={})
  raise ArgumentError, 'accounts is empty' unless accounts && accounts.size > 0

  @accounts    = accounts
  @root        = generate
  @indices     = Hash[index_leaves(@root)]

  @currency    = options.delete(:currency) || 'BTC'
end

Instance Attribute Details

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/liability-proof/tree.rb', line 11

def root
  @root
end

Instance Method Details

#last_user_node ⇒ Object 



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# File 'lib/liability-proof/tree.rb', line 41

def last_user_node
  @user_data
end

#partial(user) ⇒ Object 



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# File 'lib/liability-proof/tree.rb', line 33

def partial(user)
  _partial user, @root, @indices[user].dup, {}
end

#partial_json(user) ⇒ Object 



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# File 'lib/liability-proof/tree.rb', line 37

def partial_json(user)
  { 'partial_tree' => partial(user) }
end

#root_json ⇒ Object 



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# File 'lib/liability-proof/tree.rb', line 23

def root_json
  { 'root' => {
      'hash'  => root.hash,
      'sum' => root.sum_string
    },
    'currency' => @currency,
    'timestamp' => Time.now.to_f*1000 # milliseconds since Epoch
  }
end