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@0x/contracts-staking: Tinkering with crediting rewards.

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Lawrence Forman
2019-09-11 16:56:24 -04:00
committed by Lawrence Forman
parent 73f1aca4a1
commit e4b9d14f45
1 changed files with 7 additions and 8 deletions
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15
contracts/staking/contracts/src/finalization/MixinFinalizer.sol
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@@ -53,7 +53,6 @@ contract MixinFinalizer is
{
using LibSafeMath for uint256;
/// @dev Begins a new epoch, preparing the prior one for finalization.
/// Throws if not enough time has passed between epochs or if the
/// previous epoch was not fully finalized.
@@ -65,7 +64,7 @@ contract MixinFinalizer is
external
returns (uint256 _unfinalizedPoolsRemaining)
{
uint256 closingEpoch = currentEpoch;
uint256 closingEpoch = getCurrentEpoch();
// Make sure the previous epoch has been fully finalized.
if (unfinalizedPoolsRemaining != 0) {
LibRichErrors.rrevert(LibStakingRichErrors.PreviousEpochNotFinalized(
@@ -114,7 +113,7 @@ contract MixinFinalizer is
external
returns (uint256 rewardsPaid, uint256 _unfinalizedPoolsRemaining)
{
uint256 epoch = currentEpoch.sub(1);
uint256 epoch = getCurrentEpoch().sub(1);
uint256 poolsRemaining = unfinalizedPoolsRemaining;
uint256 numPoolIds = poolIds.length;
uint256 rewardsPaid = 0;
@@ -132,7 +131,7 @@ contract MixinFinalizer is
rewardsPaid = rewardsPaid.add(_creditRewardsToPool(poolId, pool));
// Clear the pool state so we don't finalize it again,
// and to recoup some gas.
activePools[poolId] = IStructs.ActivePool(0, 0);
activePools[poolId] = IStructs.ActivePool(0, 0, 0);
// Decrease the number of unfinalized pools left.
poolsRemaining = poolsRemaining.sub(1);
// Emit an event.
@@ -197,9 +196,10 @@ contract MixinFinalizer is
}
}
/// @dev The cobb-douglas function used to compute fee-based rewards for staking pools in a given epoch.
/// Note that in this function there is no limitation on alpha; we tend to get better rounding
/// on the simplified versions below.
/// @dev The cobb-douglas function used to compute fee-based rewards for
/// staking pools in a given epoch. Note that in this function there
/// is no limitation on alpha; we tend to get better rounding on the
/// simplified versions below.
/// @param totalRewards collected over an epoch.
/// @param ownerFees Fees attributed to the owner of the staking pool.
/// @param totalFees collected across all active staking pools in the epoch.
@@ -226,7 +226,6 @@ contract MixinFinalizer is
if (feeRatio == 0 || stakeRatio == 0) {
return ownerRewards = 0;
}
// The cobb-doublas function has the form:
// `totalRewards * feeRatio ^ alpha * stakeRatio ^ (1-alpha)`
// This is equivalent to: