Class: Siwe::Adapter::EthGem

Inherits:
Object
  • Object
show all
Defined in:
lib/siwe/adapter.rb

Overview

Default crypto adapter using the eth gem. Implements the SiweConfig interface from the TS reference implementation: verify_message → recover signer address from EIP-191 signed message hash_message → EIP-191 personal_sign hash get_address → normalize to EIP-55 checksum address

Instance Method Summary collapse

Instance Method Details

#get_address(addr) ⇒ Object 



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# File 'lib/siwe/adapter.rb', line 26

def get_address(addr)
  Eth::Address.new(addr).to_s
end

#hash_message(message) ⇒ Object 



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# File 'lib/siwe/adapter.rb', line 21

def hash_message(message)
  prefixed = Eth::Signature.prefix_message(message)
  Eth::Util.keccak256(prefixed)
end

#verify_message(message, signature) ⇒ Object 



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# File 'lib/siwe/adapter.rb', line 16

def verify_message(message, signature)
  public_key = Eth::Signature.personal_recover(message, signature)
  Eth::Util.public_key_to_address(public_key).to_s
end