def test_delegate_using_vkey(
        self,
        cluster_manager: cluster_management.ClusterManager,
        cluster_use_pool1: clusterlib.ClusterLib,
        use_build_cmd: bool,
    ):
        """Submit registration certificate and delegate to pool using cold vkey.

        * register stake address and delegate it to pool
        * check that the stake address was delegated
        * (optional) check records in db-sync
        """
        pool_name = cluster_management.Resources.POOL1
        cluster = cluster_use_pool1
        temp_template = f"{common.get_test_id(cluster)}_{use_build_cmd}"

        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-20)
        init_epoch = cluster.get_epoch()

        # submit registration certificate and delegate to pool
        node_cold = cluster_manager.cache.addrs_data[pool_name][
            "cold_key_pair"]
        delegation_out = delegation.delegate_stake_addr(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            temp_template=temp_template,
            cold_vkey=node_cold.vkey_file,
            use_build_cmd=use_build_cmd,
        )

        tx_db_record = dbsync_utils.check_tx(
            cluster_obj=cluster, tx_raw_output=delegation_out.tx_raw_output)
        delegation.db_check_delegation(
            pool_user=delegation_out.pool_user,
            db_record=tx_db_record,
            deleg_epoch=init_epoch,
            pool_id=delegation_out.pool_id,
        )
    def test_delegate_using_pool_id(
        self,
        cluster_manager: cluster_management.ClusterManager,
        cluster_and_pool: Tuple[clusterlib.ClusterLib, str],
        use_build_cmd: bool,
    ):
        """Submit registration certificate and delegate to pool using pool id.

        * register stake address and delegate it to pool
        * check that the stake address was delegated
        * (optional) check records in db-sync
        """
        cluster, pool_id = cluster_and_pool
        temp_template = f"{common.get_test_id(cluster)}_{use_build_cmd}"

        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-20)
        init_epoch = cluster.get_epoch()

        # submit registration certificate and delegate to pool
        delegation_out = delegation.delegate_stake_addr(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            temp_template=temp_template,
            pool_id=pool_id,
            use_build_cmd=use_build_cmd,
        )

        tx_db_record = dbsync_utils.check_tx(
            cluster_obj=cluster, tx_raw_output=delegation_out.tx_raw_output)
        delegation.db_check_delegation(
            pool_user=delegation_out.pool_user,
            db_record=tx_db_record,
            deleg_epoch=init_epoch,
            pool_id=delegation_out.pool_id,
        )
    def test_undelegate(
        self,
        cluster_manager: cluster_management.ClusterManager,
        cluster_and_pool: Tuple[clusterlib.ClusterLib, str],
    ):
        """Undelegate stake address.

        * submit registration certificate and delegate to pool
        * wait for first reward
        * undelegate stake address:

           - withdraw rewards to payment address
           - deregister stake address
           - re-register stake address

        * check that the key deposit was not returned
        * check that rewards were withdrawn
        * check that the stake address is still registered
        * check that the stake address is no longer delegated
        * (optional) check records in db-sync
        """
        cluster, pool_id = cluster_and_pool
        temp_template = common.get_test_id(cluster)

        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-20)
        init_epoch = cluster.get_epoch()

        # submit registration certificate and delegate to pool
        delegation_out = delegation.delegate_stake_addr(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            temp_template=temp_template,
            pool_id=pool_id,
        )

        assert (
            cluster.get_epoch() == init_epoch
        ), "Delegation took longer than expected and would affect other checks"

        # check records in db-sync
        tx_db_deleg = dbsync_utils.check_tx(
            cluster_obj=cluster, tx_raw_output=delegation_out.tx_raw_output)
        delegation.db_check_delegation(
            pool_user=delegation_out.pool_user,
            db_record=tx_db_deleg,
            deleg_epoch=init_epoch,
            pool_id=delegation_out.pool_id,
        )

        src_address = delegation_out.pool_user.payment.address

        LOGGER.info("Waiting 4 epochs for first reward.")
        cluster.wait_for_new_epoch(new_epochs=4, padding_seconds=10)
        if not cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance:
            pytest.skip(
                f"User of pool '{pool_id}' hasn't received any rewards, cannot continue."
            )

        # make sure we have enough time to finish deregistration in one epoch
        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-40)

        # files for deregistering / re-registering stake address
        stake_addr_dereg_cert_file = cluster.gen_stake_addr_deregistration_cert(
            addr_name=f"{temp_template}_undeleg_addr0",
            stake_vkey_file=delegation_out.pool_user.stake.vkey_file,
        )
        stake_addr_reg_cert_file = cluster.gen_stake_addr_registration_cert(
            addr_name=f"{temp_template}_undeleg_addr0",
            stake_vkey_file=delegation_out.pool_user.stake.vkey_file,
        )
        tx_files_undeleg = clusterlib.TxFiles(
            certificate_files=[
                stake_addr_dereg_cert_file, stake_addr_reg_cert_file
            ],
            signing_key_files=[
                delegation_out.pool_user.payment.skey_file,
                delegation_out.pool_user.stake.skey_file,
            ],
        )

        src_payment_balance = cluster.get_address_balance(src_address)
        reward_balance = cluster.get_stake_addr_info(
            delegation_out.pool_user.stake.address).reward_account_balance

        # withdraw rewards to payment address; deregister and re-register stake address
        tx_raw_undeleg = cluster.send_tx(
            src_address=src_address,
            tx_name=f"{temp_template}_undeleg_withdraw",
            tx_files=tx_files_undeleg,
            withdrawals=[
                clusterlib.TxOut(
                    address=delegation_out.pool_user.stake.address, amount=-1)
            ],
        )

        # check that the key deposit was NOT returned and rewards were withdrawn
        assert (
            cluster.get_address_balance(src_address) == src_payment_balance -
            tx_raw_undeleg.fee + reward_balance
        ), f"Incorrect balance for source address `{src_address}`"

        # check that the stake address is no longer delegated
        stake_addr_info = cluster.get_stake_addr_info(
            delegation_out.pool_user.stake.address)
        assert stake_addr_info.address, f"Reward address is not registered: {stake_addr_info}"
        assert (not stake_addr_info.delegation
                ), f"Stake address is still delegated: {stake_addr_info}"

        this_epoch = cluster.wait_for_new_epoch(padding_seconds=20)
        assert cluster.get_stake_addr_info(
            delegation_out.pool_user.stake.address
        ).reward_account_balance, "No reward was received next epoch after undelegation"

        # check `transaction view` command
        tx_view.check_tx_view(cluster_obj=cluster,
                              tx_raw_output=tx_raw_undeleg)

        # check records in db-sync
        tx_db_undeleg = dbsync_utils.check_tx(cluster_obj=cluster,
                                              tx_raw_output=tx_raw_undeleg)
        if tx_db_undeleg:
            assert delegation_out.pool_user.stake.address in tx_db_undeleg.stake_deregistration
            assert delegation_out.pool_user.stake.address in tx_db_undeleg.stake_registration

            db_rewards = dbsync_utils.check_address_reward(
                address=delegation_out.pool_user.stake.address,
                epoch_from=init_epoch)
            assert db_rewards
            db_reward_epochs = sorted(r.spendable_epoch
                                      for r in db_rewards.rewards)
            assert db_reward_epochs[0] == init_epoch + 4
            assert this_epoch in db_reward_epochs
    def test_deregister(
        self,
        cluster_manager: cluster_management.ClusterManager,
        cluster_and_pool: Tuple[clusterlib.ClusterLib, str],
    ):
        """Deregister stake address.

        * create two payment addresses that share single stake address
        * register and delegate the stake address to pool
        * attempt to deregister the stake address - deregistration is expected to fail
          because there are rewards in the stake address
        * withdraw rewards to payment address and deregister stake address
        * check that the key deposit was returned and rewards withdrawn
        * check that the stake address is no longer delegated
        * (optional) check records in db-sync
        """
        cluster, pool_id = cluster_and_pool
        temp_template = common.get_test_id(cluster)

        # create two payment addresses that share single stake address (just to test that
        # delegation works as expected even under such circumstances)
        stake_addr_rec = clusterlib_utils.create_stake_addr_records(
            f"{temp_template}_addr0", cluster_obj=cluster)[0]
        payment_addr_recs = clusterlib_utils.create_payment_addr_records(
            f"{temp_template}_addr0",
            f"{temp_template}_addr1",
            cluster_obj=cluster,
            stake_vkey_file=stake_addr_rec.vkey_file,
        )

        # fund payment address
        clusterlib_utils.fund_from_faucet(
            *payment_addr_recs,
            cluster_obj=cluster,
            faucet_data=cluster_manager.cache.addrs_data["user1"],
        )

        pool_user = clusterlib.PoolUser(payment=payment_addr_recs[1],
                                        stake=stake_addr_rec)

        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-20)
        init_epoch = cluster.get_epoch()

        # submit registration certificate and delegate to pool
        delegation_out = delegation.delegate_stake_addr(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            temp_template=temp_template,
            pool_user=pool_user,
            pool_id=pool_id,
        )

        assert (
            cluster.get_epoch() == init_epoch
        ), "Delegation took longer than expected and would affect other checks"

        tx_db_deleg = dbsync_utils.check_tx(
            cluster_obj=cluster, tx_raw_output=delegation_out.tx_raw_output)
        if tx_db_deleg:
            # check in db-sync that both payment addresses share single stake address
            assert (dbsync_utils.get_utxo(
                address=payment_addr_recs[0].address).stake_address ==
                    stake_addr_rec.address)
            assert (dbsync_utils.get_utxo(
                address=payment_addr_recs[1].address).stake_address ==
                    stake_addr_rec.address)

        delegation.db_check_delegation(
            pool_user=delegation_out.pool_user,
            db_record=tx_db_deleg,
            deleg_epoch=init_epoch,
            pool_id=delegation_out.pool_id,
        )

        src_address = delegation_out.pool_user.payment.address

        LOGGER.info("Waiting 4 epochs for first reward.")
        cluster.wait_for_new_epoch(new_epochs=4, padding_seconds=10)
        if not cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance:
            pytest.skip(
                f"User of pool '{pool_id}' hasn't received any rewards, cannot continue."
            )

        # make sure we have enough time to finish deregistration in one epoch
        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-40)

        # files for deregistering stake address
        stake_addr_dereg_cert = cluster.gen_stake_addr_deregistration_cert(
            addr_name=f"{temp_template}_addr0",
            stake_vkey_file=delegation_out.pool_user.stake.vkey_file,
        )
        tx_files_deregister = clusterlib.TxFiles(
            certificate_files=[stake_addr_dereg_cert],
            signing_key_files=[
                delegation_out.pool_user.payment.skey_file,
                delegation_out.pool_user.stake.skey_file,
            ],
        )

        # attempt to deregister the stake address - deregistration is expected to fail
        # because there are rewards in the stake address
        with pytest.raises(clusterlib.CLIError) as excinfo:
            cluster.send_tx(
                src_address=src_address,
                tx_name=f"{temp_template}_dereg_fail",
                tx_files=tx_files_deregister,
            )
        assert "StakeKeyNonZeroAccountBalanceDELEG" in str(excinfo.value)

        src_payment_balance = cluster.get_address_balance(src_address)
        reward_balance = cluster.get_stake_addr_info(
            delegation_out.pool_user.stake.address).reward_account_balance

        # withdraw rewards to payment address, deregister stake address
        tx_raw_deregister_output = cluster.send_tx(
            src_address=src_address,
            tx_name=f"{temp_template}_dereg_withdraw",
            tx_files=tx_files_deregister,
            withdrawals=[
                clusterlib.TxOut(
                    address=delegation_out.pool_user.stake.address, amount=-1)
            ],
        )

        # check that the key deposit was returned and rewards withdrawn
        assert (
            cluster.get_address_balance(src_address) == src_payment_balance -
            tx_raw_deregister_output.fee + reward_balance +
            cluster.get_address_deposit()
        ), f"Incorrect balance for source address `{src_address}`"

        # check that the stake address is no longer delegated
        stake_addr_info = cluster.get_stake_addr_info(
            delegation_out.pool_user.stake.address)
        assert (not stake_addr_info.delegation
                ), f"Stake address is still delegated: {stake_addr_info}"

        tx_db_dereg = dbsync_utils.check_tx(
            cluster_obj=cluster, tx_raw_output=tx_raw_deregister_output)
        if tx_db_dereg:
            assert delegation_out.pool_user.stake.address in tx_db_dereg.stake_deregistration
            assert (
                cluster.get_address_balance(src_address) ==
                dbsync_utils.get_utxo(address=src_address).amount_sum
            ), f"Unexpected balance for source address `{src_address}` in db-sync"
Example #5
0
    def test_oversaturated(  # noqa: C901
        self,
        cluster_manager: cluster_management.ClusterManager,
        cluster_lock_pools: clusterlib.ClusterLib,
    ):
        """Check diminished rewards when stake pool is oversaturated.

        The stake pool continues to operate normally and those who delegate to that pool receive
        rewards, but the rewards are proportionally lower than those received from stake pool
        that is not oversaturated.

        * register and delegate stake address in "init epoch", for all available pools
        * in "init epoch" + 2, saturate all available pools (block distribution remains balanced
          among pools)
        * in "init epoch" + 3, oversaturate one pool
        * in "init epoch" + 5, for all available pools, withdraw rewards and transfer funds
          from delegated addresses so pools are no longer (over)saturated
        * while doing the steps above, collect rewards data for 9 epochs
        * compare proportionality of rewards in epochs where pools were non-saturated,
          saturated and oversaturated
        """
        # pylint: disable=too-many-statements,too-many-locals,too-many-branches
        epoch_saturate = 2
        epoch_oversaturate = 4
        epoch_withdrawal = 6

        cluster = cluster_lock_pools
        temp_template = common.get_test_id(cluster)
        initial_balance = 1_000_000_000

        faucet_rec = cluster_manager.cache.addrs_data["byron000"]
        pool_records: Dict[int, PoolRecord] = {}

        # make sure we have enough time to finish the delegation in one epoch
        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-40)
        init_epoch = cluster.get_epoch()

        # submit registration certificates and delegate to pools
        for idx, res in enumerate(
            [
                cluster_management.Resources.POOL1,
                cluster_management.Resources.POOL2,
                cluster_management.Resources.POOL3,
            ],
                start=1,
        ):
            pool_addrs_data = cluster_manager.cache.addrs_data[res]
            reward_addr = clusterlib.PoolUser(
                payment=pool_addrs_data["payment"],
                stake=pool_addrs_data["reward"])
            pool_id = delegation.get_pool_id(
                cluster_obj=cluster,
                addrs_data=cluster_manager.cache.addrs_data,
                pool_name=res,
            )
            pool_id_dec = helpers.decode_bech32(bech32=pool_id)

            delegation_out = delegation.delegate_stake_addr(
                cluster_obj=cluster,
                addrs_data=cluster_manager.cache.addrs_data,
                temp_template=f"{temp_template}_pool{idx}",
                pool_id=pool_id,
                amount=initial_balance,
            )

            pool_records[idx] = PoolRecord(
                name=res,
                id=pool_id,
                id_dec=pool_id_dec,
                reward_addr=reward_addr,
                delegation_out=delegation_out,
                user_rewards=[],
                owner_rewards=[],
                blocks_minted={},
                saturation_amounts={},
            )

        # record initial reward balance for each pool
        for pool_rec in pool_records.values():
            user_payment_balance = cluster.get_address_balance(
                pool_rec.delegation_out.pool_user.payment.address)
            owner_payment_balance = cluster.get_address_balance(
                pool_rec.reward_addr.payment.address)
            pool_rec.user_rewards.append(
                RewardRecord(
                    epoch_no=init_epoch,
                    reward_total=0,
                    reward_per_epoch=0,
                    stake_total=user_payment_balance,
                ))
            pool_rec.owner_rewards.append(
                RewardRecord(
                    epoch_no=init_epoch,
                    reward_total=cluster.get_stake_addr_info(
                        pool_rec.reward_addr.stake.address).
                    reward_account_balance,
                    reward_per_epoch=0,
                    stake_total=owner_payment_balance,
                ))

        assert (
            cluster.get_epoch() == init_epoch
        ), "Delegation took longer than expected and would affect other checks"

        LOGGER.info("Checking rewards for 10 epochs.")
        for __ in range(10):
            # wait for new epoch
            if cluster.get_epoch(
            ) == pool_records[2].owner_rewards[-1].epoch_no:
                cluster.wait_for_new_epoch()

            # sleep till the end of epoch
            clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                     start=-50,
                                                     stop=-40,
                                                     force_epoch=True)
            this_epoch = cluster.get_epoch()

            ledger_state = clusterlib_utils.get_ledger_state(
                cluster_obj=cluster)
            clusterlib_utils.save_ledger_state(
                cluster_obj=cluster,
                state_name=f"{temp_template}_{this_epoch}",
                ledger_state=ledger_state,
            )

            for pool_rec in pool_records.values():
                # reward balance in previous epoch
                prev_user_reward = pool_rec.user_rewards[-1].reward_total
                prev_owner_reward = pool_rec.owner_rewards[-1].reward_total

                pool_rec.blocks_minted[this_epoch -
                                       1] = (ledger_state["blocksBefore"].get(
                                           pool_rec.id_dec) or 0)

                # current reward balance
                user_reward = cluster.get_stake_addr_info(
                    pool_rec.delegation_out.pool_user.stake.address
                ).reward_account_balance
                owner_reward = cluster.get_stake_addr_info(
                    pool_rec.reward_addr.stake.address).reward_account_balance

                # total reward amounts received this epoch
                owner_reward_epoch = owner_reward - prev_owner_reward
                # We cannot compare with previous rewards in epochs where
                # `this_epoch >= init_epoch + epoch_withdrawal`.
                # There's a withdrawal of rewards at the end of these epochs.
                if this_epoch > init_epoch + epoch_withdrawal:
                    user_reward_epoch = user_reward
                else:
                    user_reward_epoch = user_reward - prev_user_reward

                # store collected rewards info
                user_payment_balance = cluster.get_address_balance(
                    pool_rec.delegation_out.pool_user.payment.address)
                owner_payment_balance = cluster.get_address_balance(
                    pool_rec.reward_addr.payment.address)
                pool_rec.user_rewards.append(
                    RewardRecord(
                        epoch_no=this_epoch,
                        reward_total=user_reward,
                        reward_per_epoch=user_reward_epoch,
                        stake_total=user_payment_balance + user_reward,
                    ))
                pool_rec.owner_rewards.append(
                    RewardRecord(
                        epoch_no=this_epoch,
                        reward_total=owner_reward,
                        reward_per_epoch=owner_reward_epoch,
                        stake_total=owner_payment_balance,
                    ))

                pool_rec.saturation_amounts[
                    this_epoch] = _get_saturation_threshold(
                        cluster_obj=cluster,
                        ledger_state=ledger_state,
                        pool_id=pool_rec.id)

            # fund the delegated addresses - saturate all pools
            if this_epoch == init_epoch + epoch_saturate:
                clusterlib_utils.fund_from_faucet(
                    *[
                        p.delegation_out.pool_user.payment
                        for p in pool_records.values()
                    ],
                    cluster_obj=cluster,
                    faucet_data=faucet_rec,
                    amount=[
                        p.saturation_amounts[this_epoch] - 100_000_000_000
                        for p in pool_records.values()
                    ],
                    tx_name=f"{temp_template}_saturate_pools_ep{this_epoch}",
                    force=True,
                )

            with cluster_manager.restart_on_failure():
                # Fund the address delegated to "pool2" to oversaturate the pool.
                # New stake amount will be current (saturated) stake * 2.
                if this_epoch == init_epoch + epoch_oversaturate:
                    assert (pool_records[2].saturation_amounts[this_epoch] >
                            0), "Pool is already saturated"
                    current_stake = int(
                        cluster.get_stake_snapshot(
                            pool_records[2].id)["poolStakeMark"])
                    overstaturate_amount = current_stake * 2
                    saturation_threshold = pool_records[2].saturation_amounts[
                        this_epoch]
                    assert overstaturate_amount > saturation_threshold, (
                        f"{overstaturate_amount} Lovelace is not enough to oversature the pool "
                        f"({saturation_threshold} is needed)")
                    clusterlib_utils.fund_from_faucet(
                        pool_records[2].delegation_out.pool_user.payment,
                        cluster_obj=cluster,
                        faucet_data=faucet_rec,
                        amount=overstaturate_amount,
                        tx_name=f"{temp_template}_oversaturate_pool2",
                        force=True,
                    )

                # wait 4 epochs for first rewards
                if this_epoch >= init_epoch + 4:
                    assert (owner_reward > prev_owner_reward
                            ), "New reward was not received by pool owner"

                # transfer funds back to faucet so the pools are no longer (over)saturated
                # and staked amount is +- same as the `initial_balance`
                if this_epoch >= init_epoch + epoch_withdrawal:
                    _withdraw_rewards(
                        *[
                            p.delegation_out.pool_user
                            for p in pool_records.values()
                        ],
                        cluster_obj=cluster,
                        tx_name=f"{temp_template}_ep{this_epoch}",
                    )

                    return_to_addrs = []
                    return_amounts = []
                    for idx, pool_rec in pool_records.items():
                        deleg_payment_balance = cluster.get_address_balance(
                            pool_rec.delegation_out.pool_user.payment.address)
                        if deleg_payment_balance > initial_balance + 10_000_000:
                            return_to_addrs.append(
                                pool_rec.delegation_out.pool_user.payment)
                            return_amounts.append(deleg_payment_balance -
                                                  initial_balance)

                    clusterlib_utils.return_funds_to_faucet(
                        *return_to_addrs,
                        cluster_obj=cluster,
                        faucet_addr=faucet_rec["payment"].address,
                        amount=return_amounts,
                        tx_name=f"{temp_template}_ep{this_epoch}",
                    )

                    for return_addr in return_to_addrs:
                        deleg_payment_balance = cluster.get_address_balance(
                            return_addr.address)
                        assert (
                            deleg_payment_balance <= initial_balance
                        ), "Unexpected funds in payment address '{return_addr}'"

                assert (
                    cluster.get_epoch() == this_epoch
                ), "Failed to finish actions in single epoch, it would affect other checks"

        pool1_user_rewards_per_block = _get_reward_per_block(pool_records[1])
        pool2_user_rewards_per_block = _get_reward_per_block(pool_records[2])
        pool3_user_rewards_per_block = _get_reward_per_block(pool_records[3])

        pool1_owner_rewards_per_block = _get_reward_per_block(
            pool_records[1], owner_rewards=True)
        pool2_owner_rewards_per_block = _get_reward_per_block(
            pool_records[2], owner_rewards=True)
        pool3_owner_rewards_per_block = _get_reward_per_block(
            pool_records[3], owner_rewards=True)

        oversaturated_epoch = max(
            e for e, r in pool_records[2].saturation_amounts.items() if r < 0)
        saturated_epoch = oversaturated_epoch - 2
        nonsaturated_epoch = oversaturated_epoch - 4

        try:
            # check that rewards per block per stake for "pool2" in the epoch where the pool is
            # oversaturated is lower than in epochs where pools are not oversaturated
            assert (pool1_user_rewards_per_block[nonsaturated_epoch] >
                    pool2_user_rewards_per_block[oversaturated_epoch])
            assert (pool2_user_rewards_per_block[nonsaturated_epoch] >
                    pool2_user_rewards_per_block[oversaturated_epoch])
            assert (pool3_user_rewards_per_block[nonsaturated_epoch] >
                    pool2_user_rewards_per_block[oversaturated_epoch])

            assert (pool1_user_rewards_per_block[saturated_epoch] >
                    pool2_user_rewards_per_block[oversaturated_epoch])
            assert (pool2_user_rewards_per_block[saturated_epoch] >
                    pool2_user_rewards_per_block[oversaturated_epoch])
            assert (pool3_user_rewards_per_block[saturated_epoch] >
                    pool2_user_rewards_per_block[oversaturated_epoch])

            # check that oversaturated pool doesn't lead to increased rewards for pool owner
            # when compared to saturated pool, i.e. total pool margin amount is not increased
            pool1_rew_fraction_sat = pool1_owner_rewards_per_block[
                saturated_epoch]
            pool2_rew_fraction_sat = pool2_owner_rewards_per_block[
                saturated_epoch]
            pool3_rew_fraction_sat = pool3_owner_rewards_per_block[
                saturated_epoch]

            pool2_rew_fraction_over = pool2_owner_rewards_per_block[
                oversaturated_epoch]

            assert pool2_rew_fraction_sat > pool2_rew_fraction_over or helpers.is_in_interval(
                pool2_rew_fraction_sat,
                pool2_rew_fraction_over,
                frac=0.4,
            )
            assert pool1_rew_fraction_sat > pool2_rew_fraction_over or helpers.is_in_interval(
                pool1_rew_fraction_sat,
                pool2_rew_fraction_over,
                frac=0.4,
            )
            assert pool3_rew_fraction_sat > pool2_rew_fraction_over or helpers.is_in_interval(
                pool3_rew_fraction_sat,
                pool2_rew_fraction_over,
                frac=0.4,
            )

            # Compare rewards in last (non-saturated) epoch to rewards in next-to-last
            # (saturated / over-saturated) epoch.
            # This way check that staked amount for each pool was restored to `initial_balance`
            # and that rewards correspond to the restored amounts.
            for pool_rec in pool_records.values():
                assert (pool_rec.user_rewards[-1].reward_per_epoch * 100 <
                        pool_rec.user_rewards[-2].reward_per_epoch)
        except Exception:
            # save debugging data in case of test failure
            with open(f"{temp_template}_pool_records.pickle",
                      "wb") as out_data:
                pickle.dump(pool_records, out_data)
            raise
Example #6
0
    def test_no_reward_deregistered_reward_addr(
        self,
        cluster_manager: cluster_management.ClusterManager,
        cluster_lock_pool2: clusterlib.ClusterLib,
    ):
        """Check that the reward address is not receiving rewards when deregistered.

        The stake pool continues to operate normally and those who delegate to that pool receive
        rewards.

        * delegate stake address
        * wait for first reward
        * withdraw pool rewards to payment address
        * deregister the pool reward address
        * check that the key deposit was returned
        * check that pool owner is NOT receiving rewards
        * check that new rewards are received by those delegating to the pool
        * return the pool to the original state - reregister reward address
        * check that pool owner is receiving rewards
        """
        pool_name = cluster_management.Resources.POOL2
        cluster = cluster_lock_pool2

        pool_rec = cluster_manager.cache.addrs_data[pool_name]
        pool_reward = clusterlib.PoolUser(payment=pool_rec["payment"],
                                          stake=pool_rec["reward"])
        temp_template = common.get_test_id(cluster)

        pool_id = delegation.get_pool_id(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            pool_name=pool_name)

        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-20)
        init_epoch = cluster.get_epoch()

        # submit registration certificate and delegate to pool
        delegation_out = delegation.delegate_stake_addr(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            temp_template=temp_template,
            pool_id=pool_id,
        )

        assert (
            cluster.get_epoch() == init_epoch
        ), "Delegation took longer than expected and would affect other checks"

        LOGGER.info("Waiting 4 epochs for first reward.")
        cluster.wait_for_new_epoch(new_epochs=4, padding_seconds=10)
        if not cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance:
            pytest.skip(
                f"User of pool '{pool_name}' hasn't received any rewards, cannot continue."
            )

        # make sure we have enough time to finish deregistration in one epoch
        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-40)

        # withdraw pool rewards to payment address
        # use `transaction build` if possible
        if (VERSIONS.transaction_era >= VERSIONS.ALONZO
                and VERSIONS.transaction_era == VERSIONS.cluster_era):
            clusterlib_utils.withdraw_reward_w_build(
                cluster_obj=cluster,
                stake_addr_record=pool_reward.stake,
                dst_addr_record=pool_reward.payment,
                tx_name=temp_template,
            )
        else:
            cluster.withdraw_reward(
                stake_addr_record=pool_reward.stake,
                dst_addr_record=pool_reward.payment,
                tx_name=temp_template,
            )

        # deregister the pool reward address
        stake_addr_dereg_cert = cluster.gen_stake_addr_deregistration_cert(
            addr_name=f"{temp_template}_addr0",
            stake_vkey_file=pool_reward.stake.vkey_file)
        tx_files_deregister = clusterlib.TxFiles(
            certificate_files=[stake_addr_dereg_cert],
            signing_key_files=[
                pool_reward.payment.skey_file, pool_reward.stake.skey_file
            ],
        )

        src_init_balance = cluster.get_address_balance(
            pool_reward.payment.address)

        tx_raw_deregister_output = cluster.send_tx(
            src_address=pool_reward.payment.address,
            tx_name=f"{temp_template}_dereg_reward",
            tx_files=tx_files_deregister,
        )

        with cluster_manager.restart_on_failure():
            # check that the key deposit was returned
            assert (
                cluster.get_address_balance(
                    pool_reward.payment.address) == src_init_balance -
                tx_raw_deregister_output.fee + cluster.get_address_deposit()
            ), f"Incorrect balance for source address `{pool_reward.payment.address}`"

            # check that the reward address is no longer delegated
            assert not cluster.get_stake_addr_info(
                pool_reward.stake.address), "Stake address still delegated"

            orig_user_reward = cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance

            cluster.wait_for_new_epoch(3)

            # check that pool owner is NOT receiving rewards
            assert (cluster.get_stake_addr_info(
                pool_reward.stake.address).reward_account_balance == 0
                    ), "Pool owner received unexpected rewards"

            # check that new rewards are received by those delegating to the pool
            assert (orig_user_reward < cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance
                    ), "New reward was not received by stake address"

            # Return the pool to the original state - reregister reward address.

            # fund pool owner's addresses so balance keeps higher than pool pledge after fees etc.
            # are deducted
            clusterlib_utils.fund_from_faucet(
                pool_reward,
                cluster_obj=cluster,
                faucet_data=cluster_manager.cache.addrs_data["user1"],
                amount=900_000_000,
                force=True,
            )

            src_updated_balance = cluster.get_address_balance(
                pool_reward.payment.address)

            # reregister reward address
            tx_files = clusterlib.TxFiles(
                certificate_files=[
                    pool_rec["reward_addr_registration_cert"],
                ],
                signing_key_files=[
                    pool_reward.payment.skey_file, pool_reward.stake.skey_file
                ],
            )
            tx_raw_output = cluster.send_tx(
                src_address=pool_reward.payment.address,
                tx_name=f"{temp_template}_rereg_deleg",
                tx_files=tx_files,
            )

            # check that the balance for source address was correctly updated
            assert (
                cluster.get_address_balance(
                    pool_reward.payment.address) == src_updated_balance -
                tx_raw_output.fee - cluster.get_address_deposit()
            ), f"Incorrect balance for source address `{pool_reward.payment.address}`"

            cluster.wait_for_new_epoch(4, padding_seconds=30)

            # check that new rewards were received by those delegating to the pool
            assert (orig_user_reward < cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance
                    ), "New reward was not received by stake address"

            # check that pool owner is also receiving rewards
            assert (cluster.get_stake_addr_info(
                pool_reward.stake.address).reward_account_balance >
                    0), "New reward was not received by pool reward address"

        # check that pledge is still met after the owner address was used to pay for Txs
        pool_data = clusterlib_utils.load_registered_pool_data(
            cluster_obj=cluster, pool_name=pool_name, pool_id=pool_id)
        owner_payment_balance = cluster.get_address_balance(
            pool_reward.payment.address)
        assert (owner_payment_balance >= pool_data.pool_pledge
                ), f"Pledge is not met for pool '{pool_name}'!"
Example #7
0
    def test_no_reward_unmet_pledge1(
        self,
        cluster_manager: cluster_management.ClusterManager,
        cluster_lock_pool2: clusterlib.ClusterLib,
    ):
        """Check that the stake pool is not receiving rewards when pledge is not met.

        When the pledge is higher than available funds, neither pool owners nor those who
        delegate to that pool receive rewards.

        * delegate stake address
        * wait for first reward
        * increase the needed pledge amount - update the pool parameters by resubmitting the pool
          registration certificate - the funds are now lower than what is needed by the stake pool
        * check that NO new rewards were received by those delegating to the pool
        * check that pool owner is also NOT receiving rewards
        * return the pool to the original state - restore pledge settings
        * check that new rewards were received by those delegating to the pool
        * check that pool owner is also receiving rewards
        """
        pool_name = cluster_management.Resources.POOL2
        cluster = cluster_lock_pool2

        pool_rec = cluster_manager.cache.addrs_data[pool_name]
        pool_owner = clusterlib.PoolUser(payment=pool_rec["payment"],
                                         stake=pool_rec["stake"])
        temp_template = common.get_test_id(cluster)

        pool_id = delegation.get_pool_id(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            pool_name=pool_name)

        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-20)
        init_epoch = cluster.get_epoch()

        # submit registration certificate and delegate to pool
        delegation_out = delegation.delegate_stake_addr(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            temp_template=temp_template,
            pool_id=pool_id,
        )

        assert (
            cluster.get_epoch() == init_epoch
        ), "Delegation took longer than expected and would affect other checks"

        LOGGER.info("Waiting 4 epochs for first reward.")
        cluster.wait_for_new_epoch(new_epochs=4, padding_seconds=10)
        if not cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance:
            pytest.skip(
                f"User of pool '{pool_name}' hasn't received any rewards, cannot continue."
            )

        # make sure we have enough time to finish the pool update in one epoch
        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-40)

        # load and update original pool data
        loaded_data = clusterlib_utils.load_registered_pool_data(
            cluster_obj=cluster,
            pool_name=f"changed_{pool_name}",
            pool_id=pool_id)
        pool_data_updated = loaded_data._replace(
            pool_pledge=loaded_data.pool_pledge * 9)

        # increase the needed pledge amount - update the pool parameters by resubmitting the pool
        # registration certificate
        cluster.register_stake_pool(
            pool_data=pool_data_updated,
            pool_owners=[pool_owner],
            vrf_vkey_file=pool_rec["vrf_key_pair"].vkey_file,
            cold_key_pair=pool_rec["cold_key_pair"],
            tx_name=f"{temp_template}_update_param",
            reward_account_vkey_file=pool_rec["reward"].vkey_file,
            deposit=0,  # no additional deposit, the pool is already registered
        )

        cluster.wait_for_new_epoch(4, padding_seconds=30)

        orig_owner_reward = cluster.get_stake_addr_info(
            pool_rec["reward"].address).reward_account_balance
        orig_user_reward = cluster.get_stake_addr_info(
            delegation_out.pool_user.stake.address).reward_account_balance

        cluster.wait_for_new_epoch(3)

        with cluster_manager.restart_on_failure():
            # check that NO new rewards were received by those delegating to the pool
            assert (orig_user_reward == cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance
                    ), "Received unexpected rewards"

            # check that pool owner is also NOT receiving rewards
            assert (orig_owner_reward == cluster.get_stake_addr_info(
                pool_rec["reward"].address).reward_account_balance
                    ), "Pool owner received unexpected rewards"

            # Return the pool to the original state - restore pledge settings.

            # fund pool owner's addresses so balance keeps higher than pool pledge after fees etc.
            # are deducted
            clusterlib_utils.fund_from_faucet(
                pool_owner,
                cluster_obj=cluster,
                faucet_data=cluster_manager.cache.addrs_data["user1"],
                amount=900_000_000,
                force=True,
            )

            # update the pool to original parameters by resubmitting
            # the pool registration certificate
            cluster.register_stake_pool(
                pool_data=loaded_data,
                pool_owners=[pool_owner],
                vrf_vkey_file=pool_rec["vrf_key_pair"].vkey_file,
                cold_key_pair=pool_rec["cold_key_pair"],
                tx_name=f"{temp_template}_update_to_orig",
                reward_account_vkey_file=pool_rec["reward"].vkey_file,
                deposit=
                0,  # no additional deposit, the pool is already registered
            )

            cluster.wait_for_new_epoch(5, padding_seconds=30)

            # check that new rewards were received by those delegating to the pool
            assert (orig_user_reward < cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance
                    ), "New reward was not received by stake address"

            # check that pool owner is also receiving rewards
            assert (orig_owner_reward < cluster.get_stake_addr_info(
                pool_rec["reward"].address).reward_account_balance
                    ), "New reward was not received by pool reward address"

        # check that pledge is still met after the owner address was used to pay for Txs
        pool_data = clusterlib_utils.load_registered_pool_data(
            cluster_obj=cluster, pool_name=pool_name, pool_id=pool_id)
        owner_payment_balance = cluster.get_address_balance(
            pool_owner.payment.address)
        assert (owner_payment_balance >= pool_data.pool_pledge
                ), f"Pledge is not met for pool '{pool_name}'!"
Example #8
0
    def test_no_reward_unmet_pledge2(
        self,
        cluster_manager: cluster_management.ClusterManager,
        cluster_lock_pool2: clusterlib.ClusterLib,
    ):
        """Check that the stake pool is not receiving rewards when pledge is not met.

        When the pledge is higher than available funds, neither pool owners nor those who
        delegate to that pool receive rewards.

        * delegate stake address
        * wait for first reward
        * withdraw part of the pledge - the funds are lower than what is needed by the stake pool
        * check that NO new rewards were received by those delegating to the pool
        * check that pool owner is also NOT receiving rewards
        * return the pool to the original state - restore pledge funds
        * check that new rewards were received by those delegating to the pool
        * check that pool owner is also receiving rewards
        """
        pool_name = cluster_management.Resources.POOL2
        cluster = cluster_lock_pool2

        pool_rec = cluster_manager.cache.addrs_data[pool_name]
        pool_owner = clusterlib.PoolUser(payment=pool_rec["payment"],
                                         stake=pool_rec["stake"])
        temp_template = common.get_test_id(cluster)

        pool_id = delegation.get_pool_id(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            pool_name=pool_name)

        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-20)
        init_epoch = cluster.get_epoch()

        # submit registration certificate and delegate to pool
        delegation_out = delegation.delegate_stake_addr(
            cluster_obj=cluster,
            addrs_data=cluster_manager.cache.addrs_data,
            temp_template=temp_template,
            pool_id=pool_id,
        )

        assert (
            cluster.get_epoch() == init_epoch
        ), "Delegation took longer than expected and would affect other checks"

        LOGGER.info("Waiting 4 epochs for first reward.")
        cluster.wait_for_new_epoch(new_epochs=4, padding_seconds=10)
        if not cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance:
            pytest.skip(
                f"User of pool '{pool_name}' hasn't received any rewards, cannot continue."
            )

        # make sure we have enough time to withdraw the pledge in one epoch
        clusterlib_utils.wait_for_epoch_interval(cluster_obj=cluster,
                                                 start=5,
                                                 stop=-40)

        # load pool data
        loaded_data = clusterlib_utils.load_registered_pool_data(
            cluster_obj=cluster,
            pool_name=f"changed_{pool_name}",
            pool_id=pool_id)

        pledge_amount = loaded_data.pool_pledge // 2

        # withdraw part of the pledge
        destinations = [
            clusterlib.TxOut(address=delegation_out.pool_user.payment.address,
                             amount=pledge_amount)
        ]
        tx_files = clusterlib.TxFiles(
            signing_key_files=[pool_owner.payment.skey_file])
        cluster.send_funds(
            src_address=pool_owner.payment.address,
            destinations=destinations,
            tx_name=f"{temp_template}_withdraw_pledge",
            tx_files=tx_files,
        )

        assert cluster.get_address_balance(
            pool_owner.payment.address
        ) < loaded_data.pool_pledge, (
            f"Pledge still high - pledge: {loaded_data.pool_pledge}, "
            f"funds: {cluster.get_address_balance(pool_owner.payment.address)}"
        )

        cluster.wait_for_new_epoch(4, padding_seconds=30)

        orig_owner_reward = cluster.get_stake_addr_info(
            pool_rec["reward"].address).reward_account_balance
        orig_user_reward = cluster.get_stake_addr_info(
            delegation_out.pool_user.stake.address).reward_account_balance

        cluster.wait_for_new_epoch(3)

        with cluster_manager.restart_on_failure():
            # check that NO new rewards were received by those delegating to the pool
            assert (orig_user_reward == cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance
                    ), "Received unexpected rewards"

            # check that pool owner is also NOT receiving rewards
            assert (orig_owner_reward == cluster.get_stake_addr_info(
                pool_rec["reward"].address).reward_account_balance
                    ), "Pool owner received unexpected rewards"

            # Return the pool to the original state - restore pledge funds.

            # fund user address so it has enough funds for fees etc.
            clusterlib_utils.fund_from_faucet(
                delegation_out.pool_user,
                cluster_obj=cluster,
                faucet_data=cluster_manager.cache.addrs_data["user1"],
                amount=900_000_000,
                force=True,
            )

            # return pledge
            destinations = [
                clusterlib.TxOut(address=pool_owner.payment.address,
                                 amount=pledge_amount + 100_000_000)
            ]
            tx_files = clusterlib.TxFiles(
                signing_key_files=[delegation_out.pool_user.payment.skey_file])
            cluster.send_funds(
                src_address=delegation_out.pool_user.payment.address,
                destinations=destinations,
                tx_name=f"{temp_template}_return_pledge",
                tx_files=tx_files,
            )

            assert (
                cluster.get_address_balance(
                    pool_owner.payment.address) >= loaded_data.pool_pledge
            ), (f"Funds still low - pledge: {loaded_data.pool_pledge}, "
                f"funds: {cluster.get_address_balance(pool_owner.payment.address)}"
                )

            cluster.wait_for_new_epoch(5, padding_seconds=30)

            # check that new rewards were received by those delegating to the pool
            assert (orig_user_reward < cluster.get_stake_addr_info(
                delegation_out.pool_user.stake.address).reward_account_balance
                    ), "New reward was not received by stake address"

            # check that pool owner is also receiving rewards
            assert (orig_owner_reward < cluster.get_stake_addr_info(
                pool_rec["reward"].address).reward_account_balance
                    ), "New reward was not received by pool reward address"