class ShopifyAPI::Auth::JwtPayload

def initialize(token)
  payload_hash = begin
    decode_token(token, Context.api_secret_key)
  rescue ShopifyAPI::Errors::InvalidJwtTokenError
    raise unless Context.old_api_secret_key
    decode_token(token, T.must(Context.old_api_secret_key))
  end
  @iss = T.let(payload_hash["iss"], String)
  @dest = T.let(payload_hash["dest"], String)
  @aud = T.let(payload_hash["aud"], String)
  @sub = T.let(payload_hash["sub"], String)
  @exp = T.let(payload_hash["exp"], Integer)
  @nbf = T.let(payload_hash["nbf"], Integer)
  @iat = T.let(payload_hash["iat"], Integer)
  @jti = T.let(payload_hash["jti"], String)
  @sid = T.let(payload_hash["sid"], String)
  raise ShopifyAPI::Errors::InvalidJwtTokenError,
    "Session token had invalid API key" unless @aud == Context.api_key
end