Module: Solana::Ruby::Kit::Sysvars

Extended by:
T::Sig
Defined in:
lib/solana/ruby/kit/sysvars/rent.rb,
lib/solana/ruby/kit/sysvars/clock.rb,
lib/solana/ruby/kit/sysvars/addresses.rb,
lib/solana/ruby/kit/sysvars/epoch_schedule.rb,
lib/solana/ruby/kit/sysvars/last_restart_slot.rb,
lib/solana/ruby/kit/sysvars.rb

Defined Under Namespace

Classes: SysvarClock, SysvarEpochSchedule, SysvarLastRestartSlot, SysvarRent

Constant Summary collapse

CLOCK_SIZE = 
T.let(40, Integer)
SYSVAR_CLOCK_ADDRESS =

Well-known on-chain addresses for all Solana sysvar accounts.

T.let('SysvarC1ock11111111111111111111111111111111', String)
SYSVAR_RENT_ADDRESS = 
T.let('SysvarRent111111111111111111111111111111111', String)
SYSVAR_EPOCH_SCHEDULE_ADDRESS = 
T.let('SysvarEpochSchedu1e111111111111111111111111', String)
SYSVAR_FEES_ADDRESS = 
T.let('SysvarFees111111111111111111111111111111111', String)
SYSVAR_RECENT_BLOCKHASHES_ADDRESS = 
T.let('SysvarRecentB1ockHashes11111111111111111111', String)
SYSVAR_SLOT_HASHES_ADDRESS = 
T.let('SysvarS1otHashes111111111111111111111111111', String)
SYSVAR_SLOT_HISTORY_ADDRESS = 
T.let('SysvarS1otHistory11111111111111111111111111', String)
SYSVAR_STAKE_HISTORY_ADDRESS = 
T.let('SysvarStakeHistory1111111111111111111111111', String)
SYSVAR_INSTRUCTIONS_ADDRESS = 
T.let('Sysvar1nstructions1111111111111111111111111', String)
SYSVAR_LAST_RESTART_SLOT_ADDRESS = 
T.let('SysvarLastRestartS1ot1111111111111111111111', String)
SYSVAR_EPOCH_REWARDS_ADDRESS = 
T.let('SysvarEpochRewards1111111111111111111111111', String)

Class Method Summary collapse

Class Method Details

._decode_account_data(res) ⇒ Object 



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# File 'lib/solana/ruby/kit/sysvars.rb', line 19

def (res)
  info = res.value
  Kernel.raise ArgumentError, 'Account not found' if info.nil?

  raw = T.cast(info, RpcTypes::AccountInfoWithBase64Data)
  Base64.decode64(raw.data.first.to_s).b
end

.fetch_sysvar_clock(rpc) ⇒ Object 



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# File 'lib/solana/ruby/kit/sysvars/clock.rb', line 23

def fetch_sysvar_clock(rpc)
  res  = rpc.(SYSVAR_CLOCK_ADDRESS, encoding: 'base64')
  data = (res)

  unpacked = T.cast(T.unsafe(data).unpack('Q<q<Q<Q<q<'), T::Array[Integer])
  SysvarClock.new(
    slot:                  T.must(unpacked[0]),
    epoch_start_timestamp: T.must(unpacked[1]),
    epoch:                 T.must(unpacked[2]),
    leader_schedule_epoch: T.must(unpacked[3]),
    unix_timestamp:        T.must(unpacked[4])
  )
end

.fetch_sysvar_epoch_schedule(rpc) ⇒ Object 



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# File 'lib/solana/ruby/kit/sysvars/epoch_schedule.rb', line 20

def fetch_sysvar_epoch_schedule(rpc)
  res  = rpc.(SYSVAR_EPOCH_SCHEDULE_ADDRESS, encoding: 'base64')
  data = (res)

  unpacked = T.unsafe(data).unpack('Q<Q<CQ<Q<')
  SysvarEpochSchedule.new(
    slots_per_epoch:             unpacked[0],
    leader_schedule_slot_offset: unpacked[1],
    warmup:                      unpacked[2] == 1,
    first_normal_epoch:          unpacked[3],
    first_normal_slot:           unpacked[4]
  )
end

.fetch_sysvar_last_restart_slot(rpc) ⇒ Object 



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# File 'lib/solana/ruby/kit/sysvars/last_restart_slot.rb', line 14

def fetch_sysvar_last_restart_slot(rpc)
  res  = rpc.(SYSVAR_LAST_RESTART_SLOT_ADDRESS, encoding: 'base64')
  data = (res)

  slot = data.unpack1('Q<')
  SysvarLastRestartSlot.new(last_restart_slot: slot)
end

.fetch_sysvar_rent(rpc) ⇒ Object 



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# File 'lib/solana/ruby/kit/sysvars/rent.rb', line 17

def fetch_sysvar_rent(rpc)
  res  = rpc.(SYSVAR_RENT_ADDRESS, encoding: 'base64')
  data = (res)

  unpacked = T.unsafe(data).unpack('Q<EC')
  SysvarRent.new(
    lamports_per_byte_year: unpacked[0],
    exemption_threshold:    unpacked[1],
    burn_percent:           unpacked[2]
  )
end