Module mpl_token_auth_rules::utils

Utilities for the program

Functions

• assert_derivation
  Verify the derivation of the seeds against the given account.
• assert_owned_by
  Assert that the given account is owned by the given pubkey.
• compute_merkle_root
  Compute the root of a Merkle tree given a leaf and a proof. Uses a constant value of 0x01 as an input to the hashing function along with the values to be hashed.
• create_or_allocate_account_raw
  Create account almost from scratch, lifted from https://github.com/solana-labs/solana-program-library/tree/master/associated-token-account/program/src/processor.rs#L51-L98
• get_existing_revision_map
  Get a revision map by looking at the header, finding its location, and deserializing it.
• get_latest_revision
  Get the latest revision number stored on the revision map.
• get_operation
  This function returns the rule for an operation by recursively searching through fallbacks
• is_on_curve
  Return whether the pubkey is on the Edwards 25519 curve.
• is_zeroed
  See if a slice contains all zeroes. Useful for checking an account’s data.
• resize_or_reallocate_account_raw
  Resize an account using realloc, lifted from Solana Cookbook.