src/listener/match-exact.js
function matchExact (myProtocol, senderProtocol, callback) {
  const result = myProtocol === senderProtocol
  callback(null, result)
}
function matchExact (myProtocol, senderProtocol, callback) {
  const result = myProtocol === senderProtocol
  callback(null, result)
}
Match protocols exactly.

@param {string} myProtocol
@param {string} senderProtocol
@param {function(Error, boolean)} callback
@returns {undefined}
@type {matchHandler}