def deploy_rpc_test_contract(deploy_client, name):
    contract_path, contracts = get_test_contract(f"{name}.sol")
    contract_proxy, _ = deploy_client.deploy_solidity_contract(
        name, contracts, libraries=dict(), constructor_parameters=None, contract_path=contract_path
    )

    return contract_proxy
def dfs(self,can,cursum,target,res):
        if cursum > target: return 
        if cursum == target: 
            self.result.append(res)
            return 
        for i in xrange(len(can)):
            if not res or res[len(res)-1] <= can[i]:
                self.dfs(can,cursum+can[i],target,res+[can[i]])