Source code for scml.scml2019.miners

from abc import ABC
from collections import defaultdict
from dataclasses import dataclass
from random import random

from negmas.common import AgentMechanismInterface
from negmas.common import MechanismState
from negmas.helpers import get_class
from negmas.negotiators import Negotiator
from negmas.situated import Breach
from negmas.situated import Contract
from negmas.situated import RenegotiationRequest
from negmas.utilities import LinearUtilityAggregationFunction
from numpy.random import dirichlet

from .agent import SCML2019Agent
from .common import DEFAULT_NEGOTIATOR
from .common import FinancialReport
from .helpers import pos_gauss

if True:
    from typing import Dict, Any, List, Optional
    from .common import Loan

__all__ = ["Miner", "MiningProfile", "ReactiveMiner"]

[docs]@dataclass class MiningProfile: cv: float = 0.05 alpha_t: float = 1.0 alpha_q: float = 1.0 alpha_u: float = 1.0 beta_t: float = 1.0 beta_q: float = 100.0 beta_u: float = 100.0 tau_t: float = -0.25 tau_q: float = 0.25 tau_u: float = 1.0
[docs] @classmethod def random(cls): alpha_t, alpha_q, alpha_u = dirichlet((1, 1, 1), size=1)[0] tau_t, tau_q, tau_u = 2 * random() - 1, 2 * random() - 1, 2 * random() - 1 return MiningProfile( cv=random(), alpha_t=alpha_t, alpha_q=alpha_q, alpha_u=alpha_u, tau_t=tau_t, tau_q=tau_q, tau_u=tau_u, beta_t=1.5 * random(), beta_q=99 * random() + 1, beta_u=99 * random() + 1, )
[docs]class Miner(SCML2019Agent, ABC): """Base class of all miners"""
[docs]class ReactiveMiner(Miner): """Raw Material Generator"""
[docs] def on_contract_executed(self, contract: Contract) -> None: pass
[docs] def on_contract_breached( self, contract: Contract, breaches: List[Breach], resolution: Optional[Contract] ) -> None: pass
[docs] def on_inventory_change(self, product: int, quantity: int, cause: str) -> None: pass
[docs] def on_cash_transfer(self, amount: float, cause: str) -> None: pass
[docs] def on_new_report(self, report: FinancialReport): pass
[docs] def on_neg_request_rejected(self, req_id: str, by: Optional[List[str]]): pass
[docs] def on_neg_request_accepted(self, req_id: str, mechanism: AgentMechanismInterface): pass
[docs] def on_negotiation_success( self, contract: Contract, mechanism: AgentMechanismInterface ) -> None: pass
[docs] def on_contract_signed(self, contract: Contract) -> None: pass
[docs] def on_contract_cancelled(self, contract: Contract, rejectors: List[str]) -> None: pass
[docs] def sign_contract(self, contract: Contract) -> Optional[str]: return
[docs] def on_contract_nullified( self, contract: Contract, bankrupt_partner: str, compensation: float ) -> None: pass
[docs] def on_agent_bankrupt(self, agent_id: str) -> None: pass
[docs] def confirm_partial_execution( self, contract: Contract, breaches: List[Breach] ) -> bool: return True
[docs] def on_remove_cfp(self, cfp: "CFP"): pass
def __init__( self, profiles: Dict[int, MiningProfile] = None, negotiator_type=DEFAULT_NEGOTIATOR, n_retrials=0, reactive=True, name=None, ): super().__init__(name=name) self.negotiator_type = get_class(negotiator_type, scope=globals()) self.profiles: Dict[int, MiningProfile] = {} self.n_neg_trials: Dict[str, int] = defaultdict(int) self.n_retrials = n_retrials self.reactive = reactive if profiles is not None: self.set_profiles(profiles=profiles)
[docs] def init(self): self.awi.register_interest(list(self.profiles.keys()))
[docs] def on_negotiation_failure( self, partners: List[str], annotation: Dict[str, Any], mechanism: AgentMechanismInterface, state: MechanismState, ) -> None: # noinspection PyUnusedLocal cfp = annotation["cfp"] super().on_negotiation_failure( partners=partners, annotation=annotation, mechanism=mechanism, state=state ) thiscfp = self.awi.bb_query(section="cfps",, query_keys=True) if ( cfp.publisher != and thiscfp is not None and len(thiscfp) > 0 and self.n_neg_trials[] < self.n_retrials ): self.awi.logdebug(f"Renegotiating {self.n_neg_trials[]} on {cfp}") self.on_new_cfp(cfp=annotation["cfp"])
[docs] def set_profiles(self, profiles: Dict[int, MiningProfile]): self.profiles = profiles if profiles is not None else dict()
def _process_cfp(self, cfp: "CFP"): if not cfp.is_buy: return if self.awi.is_bankrupt(cfp.publisher) or not self.can_expect_agreement( cfp=cfp, margin=0 ): return profile = self.profiles.get(cfp.product, None) if profile is None: return if == 0: alpha_u, alpha_q, alpha_t = ( profile.alpha_u, profile.alpha_q, profile.alpha_t, ) else: alpha_u, alpha_q, alpha_t = tuple( dirichlet((profile.alpha_u, profile.alpha_q, profile.alpha_t), size=1)[ 0 ] ) beta_u = pos_gauss(profile.beta_u, beta_t = pos_gauss(profile.beta_t, beta_q = pos_gauss(profile.beta_q, tau_u = pos_gauss(profile.tau_u, tau_t = pos_gauss(profile.tau_t, tau_q = pos_gauss(profile.tau_q, ufun = LinearUtilityAggregationFunction( issue_utilities={ "time": lambda x: x ** tau_t / beta_t, "quantity": lambda x: x ** tau_q / beta_q, "unit_price": lambda x: x ** tau_u / beta_u, }, weights={"time": alpha_t, "quantity": alpha_q, "unit_price": alpha_u}, ) ufun.reserved_value = ufun( { "time": cfp.max_time, "quantity": cfp.max_quantity, "unit_price": cfp.money_resolution if cfp.money_resolution is not None else 0.0, } ) # ufun = normalize(, outcomes=cfp.outcomes, infeasible_cutoff=-1) negotiator = self.negotiator_type( + "*" + cfp.publisher[:4], ufun=ufun ) self.n_neg_trials[] += 1 self.request_negotiation(cfp=cfp, negotiator=negotiator) # normalize(ufun, outcomes=cfp.outcomes, infeasible_cutoff=None)
[docs] def on_new_cfp(self, cfp: "CFP"): if self.reactive: if not cfp.satisfies(query={"products": list(self.profiles.keys())}): return self._process_cfp(cfp)
[docs] def step(self): if not self.reactive: cfps = self.awi.bb_query( section="cfps", query_keys=False, query={"products": list(self.profiles.keys())}, ) if cfps is None: return cfps = cfps.values() for cfp in cfps: self._process_cfp(cfp)
[docs] def confirm_contract_execution(self, contract: Contract) -> bool: return True
[docs] def respond_to_negotiation_request( self, cfp: "CFP", partner: str ) -> Optional[Negotiator]: raise ValueError( "Miners should never receive negotiation requests as they publish no CFPs" )
[docs] def set_renegotiation_agenda( self, contract: Contract, breaches: List[Breach] ) -> Optional[RenegotiationRequest]: return None
[docs] def respond_to_renegotiation_request( self, contract: Contract, breaches: List[Breach], agenda: RenegotiationRequest ) -> Optional[Negotiator]: return None
[docs] def confirm_loan(self, loan: Loan, bankrupt_if_rejected: bool) -> bool: """called by the world manager to confirm a loan if needed by the buyer of a contract that is about to be breached""" return bankrupt_if_rejected