from gettext import npgettext from config.node_config import TX_PARAMS from utility.utils import assert_equal from copy import copy class ContractProxy: def __init__(self, contract, blockchain_nodes): self.contract = contract self.contract_address = contract.address self.blockchain_nodes = blockchain_nodes def _get_contract(self, node_idx=0): return ( self.contract if node_idx == 0 else self.blockchain_nodes[node_idx].get_contract(self.contract_address) ) def _call(self, fn_name, node_idx, **args): assert node_idx < len(self.blockchain_nodes) contract = self._get_contract(node_idx) return getattr(contract.functions, fn_name)(**args).call() def _send(self, fn_name, node_idx, **args): assert node_idx < len(self.blockchain_nodes) contract = self._get_contract(node_idx) return getattr(contract.functions, fn_name)(**args).transact(copy(TX_PARAMS)) def _logs(self, event_name, node_idx, **args): assert node_idx < len(self.blockchain_nodes) contract = self._get_contract(node_idx) return getattr(contract.events, event_name).create_filter(fromBlock =0, toBlock="latest").get_all_entries() def transfer(self, value, node_idx = 0): tx_params = copy(TX_PARAMS) tx_params["value"] = value contract = self._get_contract(node_idx) contract.receive.transact(tx_params) def address(self): return self.contract_address class FlowContractProxy(ContractProxy): def submit( self, submission_nodes, node_idx=0, tx_prarams=None, parent_hash=None, ): assert node_idx < len(self.blockchain_nodes) combined_tx_prarams = copy(TX_PARAMS) if tx_prarams is not None: combined_tx_prarams.update(tx_prarams) contract = self._get_contract(node_idx) # print(contract.functions.submit(submission_nodes).estimate_gas(combined_tx_prarams)) tx_hash = contract.functions.submit(submission_nodes).transact(combined_tx_prarams) receipt = self.blockchain_nodes[node_idx].wait_for_transaction_receipt( contract.w3, tx_hash, parent_hash=parent_hash ) if receipt["status"] != 1: print(receipt) assert_equal(receipt["status"], 1) return tx_hash def num_submissions(self, node_idx=0): return self._call("numSubmissions", node_idx) def first_block(self, node_idx=0): return self._call("firstBlock", node_idx) def epoch(self, node_idx=0): return self.get_mine_context(node_idx)[0] def update_context(self, node_idx=0): return self._send("makeContext", node_idx) def get_mine_context(self, node_idx=0): return self._call("makeContextWithResult", node_idx) class MineContractProxy(ContractProxy): def last_mined_epoch(self, node_idx=0): return self._call("lastMinedEpoch", node_idx) def set_quality(self, quality, node_idx=0): return self._send("setQuality", node_idx, _targetQuality=quality) class IRewardContractProxy(ContractProxy): def reward_distributes(self, node_idx=0): return self._logs("DistributeReward", node_idx)