`@0x/contracts-staking`: Make sure we don't overwrite an existing CR. `@0x/contracts-staking`: Remove the need to initialize cumulative rewards when creating a pool. `@0x/contracts-staking`: Just return an empty CR in `_getCumulativeRewardAtEpoch()` if one can't be found.
65 lines
1.6 KiB
Solidity
65 lines
1.6 KiB
Solidity
/*
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Copyright 2019 ZeroEx Intl.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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pragma solidity ^0.5.9;
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pragma experimental ABIEncoderV2;
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import "./TestStaking.sol";
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// solhint-disable no-empty-blocks
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contract TestCumulativeRewardTracking is
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TestStaking
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{
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event SetCumulativeReward(
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bytes32 poolId,
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uint256 epoch
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);
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constructor(
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address wethAddress,
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address zrxVaultAddress
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)
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public
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TestStaking(
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wethAddress,
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zrxVaultAddress
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)
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{}
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function init() public {}
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function _addCumulativeReward(
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bytes32 poolId,
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uint256 reward,
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uint256 stake
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)
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internal
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{
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uint256 lastStoredEpoch = _cumulativeRewardsByPoolLastStored[poolId];
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MixinCumulativeRewards._addCumulativeReward(
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poolId,
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reward,
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stake
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);
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uint256 newLastStoredEpoch = _cumulativeRewardsByPoolLastStored[poolId];
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if (newLastStoredEpoch != lastStoredEpoch) {
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emit SetCumulativeReward(poolId, currentEpoch);
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}
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}
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}
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