This function returns only the new messages from the filter, never returns the same message for the same user twice.
* Add RequestMessage to sshext * E2E tests now use shhext_requestMessages * Typo in comment * Enhanced maintainability * Drop former mailservice * Code reorg after review * Fix missed changes after update to 1.8.5
This commit implements `personal_sign` RPC or web3 personal.sign methods. NB! Contains breaking API changes.