Class: SolanaRuby::Message

Inherits:
Object
  • Object
show all
Defined in:
lib/solana_ruby/message.rb

Constant Summary collapse

PUBKEY_LENGTH = 
32

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(header:, account_keys:, recent_blockhash:, instructions:) ⇒ Message

Returns a new instance of Message.



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# File 'lib/solana_ruby/message.rb', line 7

def initialize(header:, account_keys:, recent_blockhash:, instructions:)
  @header = header
  @account_keys = 
  @recent_blockhash = recent_blockhash
  @instructions = instructions
end

Instance Attribute Details

#account_keys ⇒ Object (readonly)

Returns the value of attribute account_keys.



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# File 'lib/solana_ruby/message.rb', line 5

def 
  @account_keys
end

#header ⇒ Object (readonly)

Returns the value of attribute header.



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# File 'lib/solana_ruby/message.rb', line 5

def header
  @header
end

#instructions ⇒ Object (readonly)

Returns the value of attribute instructions.



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# File 'lib/solana_ruby/message.rb', line 5

def instructions
  @instructions
end

#recent_blockhash ⇒ Object (readonly)

Returns the value of attribute recent_blockhash.



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# File 'lib/solana_ruby/message.rb', line 5

def recent_blockhash
  @recent_blockhash
end

Class Method Details

.from(bytes) ⇒ Object 



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# File 'lib/solana_ruby/message.rb', line 14

def self.from(bytes)
  bytes = bytes.dup
  num_required_signatures = bytes.shift
  num_readonly_signed_accounts = bytes.shift
  num_readonly_unsigned_accounts = bytes.shift
   = Utils.decode_length(bytes)

   = .times.map do
     = bytes.slice!(0, PUBKEY_LENGTH)
    Utils.bytes_to_base58()
  end

  recent_blockhash_bytes = bytes.slice!(0, PUBKEY_LENGTH)
  recent_blockhash = Utils.bytes_to_base58(recent_blockhash_bytes)

  instruction_count = Utils.decode_length(bytes)
  instructions = instruction_count.times.map do
    program_id_index = bytes.shift
     = Utils.decode_length(bytes)

    accounts = bytes.slice!(0, )

    data_length = Utils.decode_length(bytes)
    data_bytes = bytes.slice!(0, data_length)
    {program_id_index: program_id_index, accounts: accounts, data: data_bytes}
  end
  self.new({
    header: {
      num_required_signatures: num_required_signatures,
      num_readonly_signed_accounts:num_readonly_signed_accounts,
      num_readonly_unsigned_accounts:num_readonly_unsigned_accounts,
    },
    account_keys: ,
    recent_blockhash: recent_blockhash,
    instructions: instructions
  })
end

Instance Method Details

#is_account_writable(index) ⇒ Object 



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# File 'lib/solana_ruby/message.rb', line 102

def (index)
  index < header[:num_required_signatures] - header[:num_readonly_signed_accounts] ||
  (index >= header[:num_required_signatures] && index <  .length - header[:num_readonly_unsigned_accounts])
end

#serialize ⇒ Object 



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# File 'lib/solana_ruby/message.rb', line 52

def serialize
  num_keys = .length
  key_count = Utils.encode_length(num_keys)

  layout = SolanaRuby::DataTypes::Layout.new({
    num_required_signatures: :blob1,
    num_readonly_signed_accounts: :blob1,
    num_readonly_unsigned_accounts: :blob1,
    key_count: SolanaRuby::DataTypes::Blob.new(key_count.length),
    keys: SolanaRuby::DataTypes::Sequence.new(num_keys, SolanaRuby::DataTypes::Blob.new(32)),
    recent_blockhash: SolanaRuby::DataTypes::Blob.new(32)
  })

  sign_data = layout.serialize({
    num_required_signatures: header[:num_required_signatures],
    num_readonly_signed_accounts: header[:num_readonly_signed_accounts],
    num_readonly_unsigned_accounts: header[:num_readonly_unsigned_accounts],
    key_count: key_count,
    keys: .map{|x| Utils.base58_to_bytes(x)},
    recent_blockhash: Utils.base58_to_bytes(recent_blockhash)
  })

  instruction_count = Utils.encode_length(@instructions.length)
  sign_data += instruction_count

  data = @instructions.map do |instruction|
    instruction_layout = SolanaRuby::DataTypes::Layout.new({
      program_id_index: :uint8,
      key_indices_count: SolanaRuby::DataTypes::Blob.new(key_count.length),
      key_indices: SolanaRuby::DataTypes::Sequence.new(num_keys, SolanaRuby::DataTypes::Blob.new(8)),
      data_length: SolanaRuby::DataTypes::Blob.new(key_count.length),
      data: SolanaRuby::DataTypes::Sequence.new(num_keys, SolanaRuby::DataTypes::UnsignedInt.new(8)),
    })

    key_indices_count = Utils.encode_length(instruction[:accounts].length)
    data_count = Utils.encode_length(instruction[:data].length)

    instruction_layout.serialize({
      program_id_index: instruction[:program_id_index],
      key_indices_count: key_indices_count,
      key_indices: instruction[:accounts],
      data_length: data_count,
      data: instruction[:data]
    })
  end.flatten

  sign_data += data
  sign_data
end