
function getMostRecentMarket(IRCMarket.Mode _mode)  external view override  returns (address)
{
    return marketAddresses[_mode][marketAddresses[_mode].length - (1)];
}
function getMostRecentMarket(IRCMarket.Mode _mode)  external view override  returns (address) {
    if ( marketAddresses[_mode].length ==0) return address(0);
    return marketAddresses[_mode][marketAddresses[_mode].length - (1)];
}
