Class: Solace::Composers::SystemProgramTransferComposer

Inherits:

Base

• Object
• Base
• Solace::Composers::SystemProgramTransferComposer

Defined in:

lib/solace/composers/system_program_transfer_composer.rb

Instance Attribute Summary

Attributes inherited from Base

#account_context, #params

Instance Method Summary

• #build_instruction(account_context) ⇒ Solace::Instruction

  Build instruction with resolved account indices.

• #from ⇒ String

  Extracts the from address from the params.

• #lamports ⇒ Integer

  Returns the lamports to transfer.

• #setup_accounts ⇒ void

  Setup accounts required for transfer instruction Called automatically during initialization.

• #system_program ⇒ String

  Returns the system program id.

• #to ⇒ String

  Extracts the to address from the params.

Methods inherited from Base

#initialize

Constructor Details

This class inherits a constructor from Solace::Composers::Base

Instance Method Details

#build_instruction(account_context) ⇒ Solace::Instruction

Build instruction with resolved account indices

Parameters:

• account_context (Utils::AccountContext) —

  The account context

Returns:

• (Solace::Instruction)

# File 'lib/solace/composers/system_program_transfer_composer.rb', line 48

def build_instruction(account_context)
  Instructions::SystemProgram::TransferInstruction.build(
    lamports: lamports,
    to_index: account_context.index_of(to),
    from_index: account_context.index_of(from),
    program_index: account_context.index_of(system_program)
  )
end

#from ⇒ String

Extracts the from address from the params

Returns:

• (String) —

  The from address

# File 'lib/solace/composers/system_program_transfer_composer.rb', line 16

def from
  params[:from].is_a?(String) ? params[:from] : params[:from].address
end

#lamports ⇒ Integer

Returns the lamports to transfer

Returns:

• (Integer) —

  The lamports to transfer

# File 'lib/solace/composers/system_program_transfer_composer.rb', line 30

def lamports
  params[:lamports]
end

#setup_accounts ⇒ void

This method returns an undefined value.

Setup accounts required for transfer instruction Called automatically during initialization

# File 'lib/solace/composers/system_program_transfer_composer.rb', line 38

def setup_accounts
  account_context.add_writable_signer(from)
  account_context.add_writable_nonsigner(to)
  account_context.add_readonly_nonsigner(system_program)
end

#system_program ⇒ String

Returns the system program id

Returns:

• (String) —

  The system program id

# File 'lib/solace/composers/system_program_transfer_composer.rb', line 23

def system_program
  Solace::Constants::SYSTEM_PROGRAM_ID
end

#to ⇒ String

Extracts the to address from the params

Returns:

• (String) —

  The to address

# File 'lib/solace/composers/system_program_transfer_composer.rb', line 9

def to
  params[:to].is_a?(String) ? params[:to] : params[:to].address
end