Class: Laksa::Contract::Contract

Inherits:
Object
  • Object
show all
Includes:
Account
Defined in:
lib/laksa/contract/contract.rb

Constant Summary collapse

NIL_ADDRESS = 
"0000000000000000000000000000000000000000"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(factory, code, abi, address, init, state) ⇒ Contract

Returns a new instance of Contract.



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# File 'lib/laksa/contract/contract.rb', line 12

def initialize(factory, code, abi, address, init, state)
  @factory = factory
  @provider = factory.provider
  @signer = factory.signer

  @code = code
  @abi = abi
  @init = init
  @state = state

  if address && !address.empty?
    @address = address
    @status = ContractStatus::DEPLOYED
  else
    @status = ContractStatus::INITIALISED
  end
end

Instance Attribute Details

#abi ⇒ Object (readonly)

Returns the value of attribute abi.



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# File 'lib/laksa/contract/contract.rb', line 10

def abi
  @abi
end

#address ⇒ Object (readonly)

Returns the value of attribute address.



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# File 'lib/laksa/contract/contract.rb', line 10

def address
  @address
end

#code ⇒ Object (readonly)

Returns the value of attribute code.



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# File 'lib/laksa/contract/contract.rb', line 10

def code
  @code
end

#factory ⇒ Object (readonly)

Returns the value of attribute factory.



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# File 'lib/laksa/contract/contract.rb', line 10

def factory
  @factory
end

#init ⇒ Object (readonly)

Returns the value of attribute init.



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# File 'lib/laksa/contract/contract.rb', line 10

def init
  @init
end

#provider ⇒ Object (readonly)

Returns the value of attribute provider.



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# File 'lib/laksa/contract/contract.rb', line 10

def provider
  @provider
end

#signer ⇒ Object (readonly)

Returns the value of attribute signer.



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# File 'lib/laksa/contract/contract.rb', line 10

def signer
  @signer
end

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'lib/laksa/contract/contract.rb', line 10

def state
  @state
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/laksa/contract/contract.rb', line 10

def status
  @status
end

Instance Method Details

#call(transition, args, params, attempts = 33, interval = 1000, to_ds = false) ⇒ Object 



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# File 'lib/laksa/contract/contract.rb', line 75

def call(transition, args, params, attempts = 33, interval = 1000, to_ds = false)
  data = {
    _tag: transition,
    params: args,
  };

  return 'Contract has not been deployed!' unless @address

  tx_params = TxParams.new
  tx_params.id = params['id'] if params.has_key?('id')
  tx_params.version = params['version'] if params.has_key?('version') 
  tx_params.nonce = params['nonce'] if params.has_key?('nonce') 
  tx_params.sender_pub_key = params['sender_pub_key'] if params.has_key?('sender_pub_key') 
  tx_params.gas_price = params['gas_price'] if params.has_key?('gas_price') 
  tx_params.gas_limit = params['gas_limit'] if params.has_key?('gas_limit') 

  tx_params.to_addr = @address
  tx_params.data = JSON.generate(data)

  tx = Transaction.new(tx_params, @provider, TxStatus::INITIALIZED, to_ds)

  tx = self.prepare_tx(tx, attempts, interval)
end

#deploy(deploy_params, attempts = 33, interval = 1000, to_ds = false) ⇒ Object 



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# File 'lib/laksa/contract/contract.rb', line 42

def deploy(deploy_params, attempts = 33, interval = 1000, to_ds = false) 
  raise 'Cannot deploy without code or initialisation parameters.' if @code == nil || @code == ''
  raise 'Cannot deploy without code or initialisation parameters.' if @init == nil || @init.length == 0

  tx_params = TxParams.new
  tx_params.id = deploy_params.id
  tx_params.version = deploy_params.version
  tx_params.nonce = deploy_params.nonce
  tx_params.sender_pub_key = deploy_params.sender_pub_key
  tx_params.gas_price = deploy_params.gas_price
  tx_params.gas_limit = deploy_params.gas_limit

  tx_params.to_addr = NIL_ADDRESS
  tx_params.amount = '0'
  tx_params.code = @code.gsub("/\\", "")
  tx_params.data = @init.to_json.gsub('\\"', '"')

  tx = Transaction.new(tx_params, @provider)

  tx = self.prepare_tx(tx, attempts, interval);

  if tx.rejected?
    @status = ContractStatus::REJECTED
    
    return [tx, self]
  end

  @status = ContractStatus::DEPLOYED
  @address = ContractFactory.get_address_for_contract(tx)

  [tx, self]
end

#deployed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/laksa/contract/contract.rb', line 34

def deployed?
  return @status === ContractStatus::DEPLOYED
end

#initialised? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/laksa/contract/contract.rb', line 30

def initialised?
  return @status === ContractStatus::INITIALISED
end

#prepare_tx(tx, attempts, interval) ⇒ Object 



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# File 'lib/laksa/contract/contract.rb', line 106

def prepare_tx(tx, attempts, interval)
  tx = @signer.sign(tx);

  response = @provider.CreateTransaction(tx.to_payload)

  if response['error']
    tx.status = TxStatus::REJECTED
  else
    tx.confirm(response['result']['TranID'], attempts, interval)
  end
  
  tx
end

#rejected? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/laksa/contract/contract.rb', line 38

def rejected?
  return @status === ContractStatus::REJECTED
end