From e5f167eb209fdfd63ef359e72fc40dd4b83f54ba Mon Sep 17 00:00:00 2001
From: Kieran Prasch <kieran@nucypher.com>
Date: Sun, 24 May 2020 02:37:52 -0700
Subject: [PATCH] Introdice types module: reflect on-chain structs.

---
 nucypher/types.py | 97 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 nucypher/types.py

diff --git a/nucypher/types.py b/nucypher/types.py
new file mode 100644
index 000000000..a3cccadb9
--- /dev/null
+++ b/nucypher/types.py
@@ -0,0 +1,97 @@
+"""
+ This file is part of nucypher.
+
+ nucypher is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ nucypher is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with nucypher.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
+from eth_typing.evm import ChecksumAddress
+from typing import TypeVar, NewType, Tuple
+from web3.types import Wei, Timestamp
+
+NuNits = NewType("NuNits", int)
+Agent = TypeVar('Agent', bound='EthereumContractAgent')
+Period = NewType('Period', int)
+PeriodDelta = NewType('Period', int)
+
+
+class ContractParams(Tuple):
+    pass
+
+
+class ContractStruct(Tuple):
+    pass
+
+
+class WorklockParameters(ContractParams):
+    token_supply: NuNits
+    start_bid_date: Timestamp
+    end_bid_date: Timestamp
+    end_cancellation_date: Timestamp
+    boosting_refund: int
+    staking_periods: int
+    min_allowed_bid: Wei
+
+
+class StakingEscrowParameters(ContractParams):
+    seconds_per_period: int
+    minting_coefficient: int
+    lock_duration_coefficient_1: int
+    lock_duration_coefficient_2: int
+    maximum_rewarded_periods: int
+    first_phase_total_supply: NuNits
+    first_phase_max_issuance: NuNits
+    min_locked_periods: PeriodDelta
+    min_allowable_locked_tokens: NuNits
+    max_allowable_locked_tokens: NuNits
+    min_worker_periods: PeriodDelta
+
+
+class SubStakeInfo(ContractStruct):
+    first_period: Period
+    last_period: Period
+    locked_value: NuNits
+
+
+class RawSubStakeInfo(ContractStruct):
+    first_period: Period
+    last_period: Period
+    periods: int
+    locked_value: NuNits
+
+
+class Downtime(ContractStruct):
+    start_period: Period
+    end_period: Period
+
+
+class StakerFlags(ContractStruct):
+    wind_down_flag: bool
+    restake_flag: bool
+    measure_work_flag: bool
+    snapshot_flag: bool
+
+
+class StakerInfo(ContractStruct):
+    value: NuNits
+    current_committed_period: Period
+    next_committed_period: Period
+    last_committed_period: Period
+    lock_restake_until_period: Period
+    completed_work: NuNits
+    worker_start_period: Period
+    worker: ChecksumAddress
+    flags: int
+    downtime: Tuple[Downtime]
+    substake_info: Tuple[RawSubStakeInfo]
+    history: Tuple[int]