Module signature

Handling transaction signature operations, including signature recovery, applying chain IDs, and EIP-2 validation.

Functions

• recover_signer
  Recover signer address from message hash. This ensures that the signature S value is greater than secp256k1n / 2, as specified in EIP-2.
• recover_signer_unchecked
  Recover signer from message hash, without ensuring that the signature has a low s value.