# Required MOR balance on the treasury contract

## For all Subnets

Starting from v4, Subnet rewards are continuously accrued based on an emissions curve stored in the `RewardPool` contract. The emission is global and applies across all networks, with a network-specific multiplier determining how much reward is allocated per chain.

To ensure the system can fulfill all reward obligations at any time, the `BuildersTreasuryV2` contract must hold enough MOR tokens to cover all distributed but unclaimed rewards.

Call the function [`getCurrentSubnetsRewards()`](/smart-contracts/documentation/builders-protocol/v4-protocol/contracts/buildersv4.md#getcurrentsubnetsrewards). This function returns the total amount of rewards allocated to Subnets but not yet claimed. It accounts for the global reward rate and the time since the last update. This is the minimum MOR token amount that must be present on the treasury contract to pay out Subnet rewards at this point in time.

## For specific Subnet

To calculate the unclaimed rewards for a specific subnet, use [getCurrentSubnetRewards()](/smart-contracts/documentation/builders-protocol/v4-protocol/contracts/buildersv4.md#getcurrentsubnetrewards). This function computes the reward for the given Subnet, based on the updated global rate and the Subnet’s deposited amount.


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