Module error

Error type declarations for block building.

Enums

• BuildBlockError
  Any errors that might occur within crate::build_block_fifo.
• CheckSolutionError
  Any errors that might occur within crate::check_solution.
• CheckSolutionsError
  Any errors that might occur within check_solutions.
• InvalidSolution
  Represents the reason why a Solution is invalid.
• LastBlockHeaderError
  Errors that can occur while retrieving the last block header.
• SolutionPredicatesError
  An error occurred while fetching a solution’s predicates.
• StateReadError
  Any errors that might occur in the [View][crate::state::View]’s StateRead implementation.