1 | import logging
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2 | import time
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3 | from random import randint
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4 | from typing import cast
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5 | import numpy as np
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6 |
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7 | from geniusweb.actions.Accept import Accept
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8 | from geniusweb.actions.Action import Action
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9 | from geniusweb.actions.Offer import Offer
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10 | from geniusweb.actions.PartyId import PartyId
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11 | from geniusweb.bidspace.AllBidsList import AllBidsList
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12 | from geniusweb.inform.ActionDone import ActionDone
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13 | from geniusweb.inform.Finished import Finished
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14 | from geniusweb.inform.Inform import Inform
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15 | from geniusweb.inform.Settings import Settings
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16 | from geniusweb.inform.YourTurn import YourTurn
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17 | from geniusweb.issuevalue.Bid import Bid
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18 | from geniusweb.issuevalue.Domain import Domain
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19 | from geniusweb.issuevalue.Value import Value
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20 | from geniusweb.issuevalue.ValueSet import ValueSet
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21 | from geniusweb.party.Capabilities import Capabilities
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22 | from geniusweb.party.DefaultParty import DefaultParty
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23 | from geniusweb.profile.utilityspace.UtilitySpace import UtilitySpace
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24 | from geniusweb.profileconnection.ProfileConnectionFactory import (
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25 | ProfileConnectionFactory,
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26 | )
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27 | from geniusweb.progress.ProgressRounds import ProgressRounds
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28 | from tudelft_utilities_logging.Reporter import Reporter
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29 |
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30 |
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31 | class Agent32(DefaultParty):
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32 | """
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33 | RAT4TA: Random Tit 4 Tat agent by group 32
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34 | """
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35 | def __init__(self, reporter: Reporter = None):
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36 | super().__init__(reporter)
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37 | self.getReporter().log(logging.INFO, "party is initialized")
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38 | self._profile = None
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39 | self._last_received_bid: Bid = None
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40 | self.previousReceivedBids = []
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41 | self.previousReceivedUtils = []
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42 | self.hasGoodEnemy = True
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43 |
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44 |
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45 | def notifyChange(self, info: Inform):
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46 | """This is the entry point of all interaction with your agent after is has been initialised.
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47 |
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48 | Args:
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49 | info (Inform): Contains either a request for action or information.
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50 | """
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51 |
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52 | # a Settings message is the first message that will be send to your
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53 | # agent containing all the information about the negotiation session.
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54 | if isinstance(info, Settings):
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55 | self._settings: Settings = cast(Settings, info)
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56 | self._me = self._settings.getID()
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57 |
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58 | # progress towards the deadline has to be tracked manually through the use of the Progress object
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59 | self._progress = self._settings.getProgress()
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60 |
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61 | # the profile contains the preferences of the agent over the domain
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62 | self._profile = ProfileConnectionFactory.create(
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63 | info.getProfile().getURI(), self.getReporter()
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64 | )
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65 | # ActionDone is an action send by an opponent (an offer or an accept)
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66 | elif isinstance(info, ActionDone):
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67 | action: Action = cast(ActionDone, info).getAction()
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68 |
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69 | # if it is an offer, set the last received bid
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70 | if isinstance(action, Offer):
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71 | self._last_received_bid = cast(Offer, action).getBid()
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72 | # YourTurn notifies you that it is your turn to act
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73 | elif isinstance(info, YourTurn):
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74 | action = self._myTurn()
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75 | if isinstance(self._progress, ProgressRounds):
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76 | self._progress = self._progress.advance()
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77 | self.getConnection().send(action)
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78 |
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79 | # Finished will be send if the negotiation has ended (through agreement or deadline)
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80 | elif isinstance(info, Finished):
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81 | # terminate the agent MUST BE CALLED
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82 | self.terminate()
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83 | else:
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84 | self.getReporter().log(
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85 | logging.WARNING, "Ignoring unknown info " + str(info)
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86 | )
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87 |
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88 | # lets the geniusweb system know what settings this agent can handle
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89 | # leave it as it is for this competition
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90 | def getCapabilities(self) -> Capabilities:
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91 | return Capabilities(
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92 | set(["SAOP"]),
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93 | set(["geniusweb.profile.utilityspace.LinearAdditive"]),
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94 | )
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95 |
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96 | # terminates the agent and its connections
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97 | # leave it as it is for this competition
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98 | def terminate(self):
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99 | self.getReporter().log(logging.INFO, "party is terminating:")
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100 | super().terminate()
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101 | if self._profile is not None:
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102 | self._profile.close()
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103 | self._profile = None
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104 |
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105 |
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106 |
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107 | # give a description of your agent
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108 | def getDescription(self) -> str:
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109 | return "RAT4TA: RAndom Tit-4-Tat Agent by group 32"
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110 |
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111 | # Detects wether an enemy is conceiding or hard lining.
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112 | # This is done by analyzing the latest bits of the opponent.
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113 | # It's not water tight but it functions good enough.
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114 | def enemyConceiding(self):
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115 | if len(self.previousReceivedUtils) < 10:
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116 | return False
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117 | value = np.std(self.previousReceivedUtils)
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118 | last10Values = self.previousReceivedUtils[-10:]
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119 | last5Better = (last10Values[0] + last10Values[1] + last10Values[2] + last10Values[3] + last10Values[4]) < (last10Values[-5] + last10Values[-1] + last10Values[-2] + last10Values[-3] + last10Values[-4])
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120 | # print(value, np.std(last10Values))
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121 | if value > 0.1: return True
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122 | if np.std(last10Values) > 0.1 and last5Better: return True
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123 | return False
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124 |
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125 | # execute a turn
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126 | def _myTurn(self):
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127 | profile = self._profile.getProfile()
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128 | # check if the last received offer if the opponent is good enough
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129 | if self._isGood(self._last_received_bid):
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130 | # if so, accept the offer
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131 | action = Accept(self._me, self._last_received_bid)
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132 | else:
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133 | # if not, find a bid to propose as counter offer
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134 | if self._last_received_bid is not None:
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135 | self.previousReceivedBids.append([profile.getUtility(self._last_received_bid), self._last_received_bid])
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136 | self.previousReceivedUtils.append(profile.getUtility(self._last_received_bid))
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137 | bid = self._findBid()
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138 | action = Offer(self._me, bid)
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139 | # send the action
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140 | return action
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141 |
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142 | # method that checks if we would agree with an offer
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143 | def _isGood(self, bid: Bid) -> bool:
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144 | if bid is None:
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145 | return False
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146 | profile = self._profile.getProfile()
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147 | progress = self._progress.get(time.time() * 1000)
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148 |
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149 | #To still get some points from a hardlining enemy accept their last bid (since there is no gurantee they will accept our last bid)
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150 | if progress >= 0.995: return True
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151 | # Checks if the enemy is also conceiding, otherwise only send bids of 0.95 utility
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152 | if not self.hasGoodEnemy: return profile.getUtility(bid) > 0.95
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153 | # Send a bid as good as possible at the start
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154 | if progress == 0: return profile.getUtility(bid) > 0.98
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155 | # Creates an linear conceiding line ending at 0.65 user utility at the end.
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156 | return profile.getUtility(bid) > max (0.99 - 0.35 * progress, 0.65)
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157 |
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158 | # Used to sort the list of bids
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159 | def takeUtility(elem, elem2):
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160 | return elem2[0]
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161 |
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162 | def _findBid(self) -> Bid:
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163 | # compose a list of all possible bids
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164 | domain = self._profile.getProfile().getDomain()
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165 | all_bids = AllBidsList(domain)
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166 | profile = self._profile.getProfile()
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167 | progress = self._progress.get(time.time() * 1000)
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168 | self.validBidOptions = []
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169 | self.allBidOptions = []
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170 |
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171 |
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172 | self.previousReceivedBids.sort(key= self.takeUtility, reverse=True)
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173 |
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174 | # After 45% of the bids happend it will check if the enemy is conceiding.
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175 | if progress > 0.45:
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176 | self.hasGoodEnemy = True if self.enemyConceiding() else False
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177 | # take 1000 attempts at finding a random bid that is acceptable to us
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178 | for _ in range(1000):
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179 | bid = all_bids.get(randint(0, all_bids.size() - 1))
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180 | # Save all bid options generated in the format [[utility_1,bid_1], [utility_2,bid_2] , ... [utility_n,bid_n]]
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181 | # This format is used to later sort on these values
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182 | self.allBidOptions.append([profile.getUtility(bid), bid])
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183 | if self._isGood(bid):
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184 | # Save all valid options in the before mentioned format. note that the bids are not sorted!
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185 | self.validBidOptions.append([profile.getUtility(bid), bid])
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186 | try:
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187 | # Sort all bid options so that some checks on the best util can be performed
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188 | self.allBidOptions.sort(key= self.takeUtility, reverse=True)
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189 | except:
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190 | print("\n")
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191 |
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192 | nextBid = None
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193 | # Sends the best bid it received back to the other agent if it is the last bid
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194 | if(progress >= 0.99 and len(self.previousReceivedBids) > 0):
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195 | nextBid = self.previousReceivedBids[0]
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196 | # checks if a previous received bit is better than the current selected option. If so send back that bid
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197 | elif(len(self.previousReceivedBids) > 0 and len(self.validBidOptions) > 0 and self.previousReceivedBids[0][0] > self.validBidOptions[0][0]):
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198 | nextBid = self.previousReceivedBids[0]
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199 | else:
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200 | # Send back a random valid bid if there is one, otherwise send the best bid for our selves.
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201 | # (the first bid in the validBidOptions list is already random since it isnt sorted)
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202 | nextBid = self.validBidOptions[0] if len(self.validBidOptions) > 0 else self.allBidOptions[0]
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203 | # return the bid
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204 | return nextBid[1] |
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