def phase_5_winner_decision(self):
y = self.auction_contract.functions.elgamalY().call()
y = BigNumber.from_sol(y).to_py()
jM = self.auction_contract.functions.jM().call()
bidA = [self.bids[-1]]
for i in reversed(range(len(self.bids) - 1)):
bidA = [self.bids[i].mul(bidA[0])] + bidA
piM_sols = CtMProof(bidA[jM].c, y, bidA[jM].r, 1).to_sol()
tx_hash = self.auction_contract.functions.phase5WinnerDecision(
piM_sols).transact({
'from': self.addr,
'gas': gas_limit
})
tx_receipt = self.web3.eth.waitForTransactionReceipt(tx_hash)
self.gasUsed += tx_receipt['gasUsed']
tx_print(tx_receipt, "B{}".format(self.index))
def phase_2_bidder_submit_bid(self, bid_price_j, value=10):
self.bid_price_j = bid_price_j
y = self.auction_contract.functions.elgamalY().call()
y = BigNumber.from_sol(y).to_py()
price_length = self.auction_contract.functions.priceLength().call()
self.bids = []
for j in range(price_length):
self.bids.append(Ct.from_vote(j == bid_price_j, y))
bid_pi01_sols = [bid.to_sol_with_01_proof() for bid in self.bids]
bid, pi01 = list(map(list, list(zip(*bid_pi01_sols))))
bidProd = functools.reduce(lambda ct1, ct2: ct1.mul(ct2), self.bids)
piM = CtMProof(bidProd.c, y, bidProd.r, 1).to_sol()
tx_hash = self.auction_contract.functions.phase2BidderSubmitBid(
bid, pi01, piM).transact({
'from': self.addr,
'gas': gas_limit
})
tx_receipt = self.web3.eth.waitForTransactionReceipt(tx_hash)
self.gasUsed += tx_receipt['gasUsed']
tx_print(tx_receipt,
"B{} bid_price_j = {}".format(self.index, bid_price_j))
def from_sol(cls, a):
u = BigNumber.from_sol(a[0]).to_py()
c = BigNumber.from_sol(a[1]).to_py()
return cls(u, c)