from sfctools.datastructs.bank_order_book import BankOrderBook
from sfctools.bottomup.matching import MarketMatching
from sfctools import Agent
import matplotlib.pyplot as plt
# create a bank agent
class Bank(Agent):
def __init__(self):
super().__init__()
class MyCreditMarket(MarketMatching):
def __init__(self):
super().__init__()
def rematch(self):
# link some agents
r_l = 0.05 # interest on loans
self.link_agents(self.supply_list[0],self.demand_list[1],r_l)
self.link_agents(self.supply_list[0],self.demand_list[5],r_l)
self.link_agents(self.supply_list[3],self.demand_list[5],r_l)
new_loans = 4.2 # quantity
duration = 5 # 5 periods duration
for bank in [self.supply_list[0],self.supply_list[3]]:
for creditor in [self.demand_list[1],self.demand_list[5]]:
bank.order_book.add_loans(creditor,new_loans,r_l,t=duration)
# NOTE market agents are linked automatically within order book
# TODO add a deposit corresponding to this loan...
class MyDepositMarket(MarketMatching):
def __init__(self):
super().__init__()
def rematch(self):
# link some agents
r_d = 0.03 # interest on deposits all same
self.link_agents(self.supply_list[2],self.demand_list[3],r_d)
self.link_agents(self.supply_list[2],self.demand_list[6],r_d)
self.link_agents(self.supply_list[4],self.demand_list[6],r_d)
new_deposits = 1000.0 # quantity of deposits all the same
# add deposits at banks
for bank in [self.demand_list[3], self.demand_list[6]]:
for depositor in [self.supply_list[2],self.supply_list[4]]:
bank.order_book.add_deposits(depositor,new_deposits, r_d)
# NOTE market agents are linked automatically within order book
# create some agents
firms = [Agent() for i in range(12)] # create some firms seeking for creidt
depositors = [Agent() for i in range(25)] # create some depositors
banks = [Bank() for i in range(10)] # create banks
# create markets
credit_market = MyCreditMarket()
deposit_market = MyDepositMarket()
# register agents at markets
for f in firms:
credit_market.add_demander(f)
for d in depositors:
deposit_market.add_supplier(d)
for b in banks:
credit_market.add_supplier(b)
deposit_market.add_demander(b)
for b in banks: # add order book to banks
b.order_book = BankOrderBook(b,credit_market,deposit_market)
# match the markets
deposit_market.rematch()
credit_market.rematch()
# look at some output
df_depos,df_loans = banks[3].order_book.to_dataframe()
print(df_depos, "\n")
#print(df_depos["Agent"])
loans = banks[3].order_book.get_loans_of(firms[5])
# process the loan
loans[0]["Time"] += 1
# this is an example
# insert your code here...
t_remain = loans[0]["Maturity"] - loans[0]["Time"]
loans[0]["Outstanding Loans"] -= 0.1
# check in original data
df_depos,df_loans = banks[3].order_book.to_dataframe()
print(df_loans,"\n")
# print(df_loans["Time"])
# plot the resulting market connections
deposit_market.plot()
credit_market.plot()
