parse_init_message

arbos::arbos_types

Function parse_init_message 

Source 
pub fn parse_init_message(data: &[u8]) -> Result<ParsedInitMessage>
Expand description

Parses an initialization message to extract chain ID and initial L1 base fee.

Matches Nitro L1IncomingMessage.ParseInitMessage:

  • len == 32: chain_id only (32 bytes), default base fee, no chain config
  • len > 32: chain_id (32) || version (1 byte) || version-specific tail
  • version 0: chain_config (rest), default base fee
  • version 1: l1_base_fee (32) || chain_config (rest)
  • any other length (including empty): error