A ring of elite corporate lawyers were accused of illegally trading on inside info about blockbuster deals over a decade, using a bizarre code that referred to one merger as a “rabbi” as they raked in tens of millions of dollars in ill-gotten profits, according to federal prosecutors . Nicolo Nourafchan, a former mergers-and-acquisitions attorney at Goodwin and Latham, was accused of raiding confidential law-firm databases for secret deal documents tied to at least two dozen corporate transactions. According to indictments unsealed Wednesday in Boston federal court, Nourafchan, 43, and associate Robert Yadgarov, 45, built a massive insider-trading pipeline that netted them a fortune by trading ahead of major acquisitions involving companies including Anadarko Petroleum, Care.com, iRobot, Qualcomm and Tim Hortons. The offices of Wachtell, Lipton, Rosen & Katz.…