There should be diplomany options for:
[*] Node Wars
[*] Guild Wars
White Peace: ends the war in an agreement in which the parties do not impose onerous terms on one other.
Surrender: one party requests payment, while the other party has the option to accept and make the payment, ends the war. Payment should be split among the players who scored in the war and a share to the node if it's a node war.
This would also enable PvP players to demand money from non-PvP guilds and nodes who prioritize accumulating wealth, allowing soldiers and players who act as mercenary companies to earn a living through war.
Each action should be voted on by players from both sides, indicating their support. The gold for the action would come from either the node's or the guild's vault. During the voting process, those who voted could contribute gold, and if the vote fails, the gold would be returned to them.