💸Creator Payouts

Scaleable governance powered creator payouts

Introduction

The council may find it appropriate to reward some channels based on various merits, such as most viewed content, etc... The payout functionality allows the channel owner (or a content actor with sufficient permission) to cash out a particular sum of JOY rewarded by the council to the channel. This document will discuss the runtime design of it. For how to steps please refer to gleev documentation

Concepts

Payout & Payouts Commitment

By payout amount we mean the amount of $JOY the council has decided to award to a particular channel at a particular point in time. New payouts will be added as time passes via council proposals. By cumulative payout earned, we will refer to the cumulative amount of payouts awarded by the council to a particular channel since the genesis block. Herein we will refer to as payment element the triple consisting of:

  • channel id

  • cumulative payout earned

  • human-readable reason for the latest payout added At any given time the set of payment elements (representing the channel awarded by the council with the respective payout amounts) is stored in the content pallet chain state as its Merkle proof root hash. This value is called payouts commitment

Claim

By claim we refer to the action of the channel owner (or a delegate) to claim and cash out the payout. The delegate can be whoever has sufficient permission to perform this action. From here on we'll say that a claim is made by the channel to avoid distinguishing between owner & non-owner. The channel can claim the amount via Merkle proof verification. In particular, the claiming at a particular block height is allowed if:

  1. The payment element provided by the channel must be verified via Merkle proof verification against the payouts commitment value

  2. The claiming channel must not have CreatorCashout among its paused features

  3. The payout amount must be in the range [MinCashoutAllowed, MaxCashoutAllowed] (see param section)

  4. The channel is not being transferred to another owner

  5. The actor doing the claiming has sufficient permissions, as explained previously. Specific permission references are described in the next section

Parameters

The following are mutable parameters updated via council proposal

Name
Type
Description

PayoutsCommitment

Hash

Payouts commitment hash value at any given time

MinCashoutAllowed

Balance

Minimum amount of JOY a channel is allowed to cash out at any given time

MaxCashoutAllowed

Balance

Maximum amount of JOY a channel is allowed to cash out at any given time

CashoutEnabled

boolean

Whether payout claiming is enabled or not

Constants

The following constants are hard coded into the system, and they can only be changed via runtime upgrade

Name
Description
Value

MIN_CASHOUT_ALLOWED

minimum payout amount that a channel is allowed to cash out

fill-in

MAX_CASHOUT_ALLOWED

maximum payout amount that a channel is allowed to cash out

fill-in

CHANNEL_CASHOUTS_ENABLED

Whether payout claiming is enabled or not

TRUE

Extrinsics

Payout Parameters Update

Allows the council to update parameters that regulate the action of claiming a payout via a proposal. This also allows the council to set a new value for the payouts commitment, thus endowing new payouts to channels

Parameters

Name
Descripion

new_payout_commitment

hash for the merkle root (optional)

object_creation_list

list of (ipfs_id, object_mb_size) containing information about object size and creation

uploader_account

account from which all the expenses for the storage upload are charged to

expected_data_size_fee

expected price for mb, must match the storage-pallet::data_size_fee value

expected_data_object_state_bloat_bond

expected bloat bond for storage occupation. Must match the storage-pallet::data_object_state_bloat_bond value

new_min_cashout_allowed

minimum amount that a channel is allowed to cash out (optional)

new_max_cashout_allowed

maximum amount that a channel is allowed to cash out (optional)

channel_cashouts_enabled

whether or not to enable the channel payouts functionality (optional)

Condition

  • min_cashout_allowed <= new_max_cashout_allowed must be respected or new_min_cashout_allowed <= new_max_cashout_allowed if both are specified

  • new_min_cashout_allowed <= max_cashout_allowed must be respected or new_min_cashout_allowed <= new_max_cashout_allowed if both are specified

  • new_min_cashout_allowed <= MINIMUM_CASHOUT_ALLOWED_LIMIT if specified

  • new_max_cashout_allowed <= MAXIMUM_CASHOUT_ALLOWED_LIMIT if specified

  • origin must be root, i.e. the extrinsic must be dispatched via proposal

  • storage-pallet::upload_data_objects preconditions must be verified

  • uploader_account should be some account i.e. council #out-of-process or the proposer member controller account

Effect

  • max_cashout_allowed set to new_max_cashout_allowed if this last value is specified

  • min_cashout_allowed set to new_min_cashout_allowed if this last value is specified

  • channel_cashouts_enabled updated to the the new value (if specified)

  • commitment value updated to new_commitment if specified

  • storage-pallet::upload_parameters(params) effects are taken in place where params is specified as follows:

    • bag_id is the Council Static Bag

    • object_creation_list is the payload_params.object_creation_list

    • bloat_bond_source_account_id is the payload_params.uploader_account

    • expected_data_size_fee is the payload_params.expected_data_size_fee

    • expected_data_object_state_bloat_bond is the payload_params.expected_data_object_state_bloat_bon

Channel Reward Claim

Allow a channel to claim a payout and have the $JOYs deposited into its reward_account

Parameters

Name
Description

actor

either a member, lead or curator claiming the payout

proof

merkle proof used for verifying whether the payout the channel is claiming is legit or not

pull_payment_item

the information containing the payout plus some other data used in the validation process and also the channel_id for which the payout is destined to

Condition

  • channel_id: must refer to an existing channel

  • channel: must not have the CreatorCashout feature paused

  • actor: must be endowed with a RewardChannelReward permission

  • channel_cashout_enabled: must be true

  • channel_total_cashout + payout amount of $JOY must be in the closed interval [min_cashout_allowed,max_cashout_allowed]

  • channel_total_cashout + payout amount of $JOY must be transferrable from the Council Budget

  • pull_payout_element must verify the merkle proof mechanism

Effect

  • payout amount of $JOY is transferred from the Council Budget usable balance into the reward_account usable balance

  • cumulative_channel_reward for channel channel_id is increased by payout

Claim And Withdraw Channel Reward

Allow a channel to claim a payout and have the $JOYs deposited into the controller account if the channel is member-owned otherwise funds go into the Council Budget for non member-owned channels

Parameters

Name
Description

actor

either a member, lead or curator claiming the payout

proof

merkle proof used for verifying whether the payout the channel is claiming is legit or not

pull_payment_item

the information containing the payout plus some other data used in the validation process and also the channel_id for which the payout is destined to

Condition

  • channel_id: must refer to an existing channel

  • channel: must not have the [CreatorCashout, ChannelFundTransfer] features paused

  • actor: must be endowed with [RewardChannelReward,WithDrawFromChannelBalance] permissions

  • channel_cashout_enabled: must be true

  • channel_total_cashout + payout amount of $JOY must be in the closed interval [min_cashout_allowed,max_cashout_allowed]

  • channel_total_cashout + payout amount of $JOY must be transferrable from the Council Budget

  • pull_payout_element must verify the merkle proof mechanism

Effect

  • payout amount of $JOY is transferred from the Council Budget usable balance into the reward_account usable balance first. After that they are transferred from the reward_account into the destination_account in the following fashion:

    • if channel is member-owned then the payout amount is transferred into the member controller account usable balance

    • if channel is curator/lead-owned the payout amount is burned from the reward_account and minted into the Council budget Account

  • cumulative_channel_reward for channel channel_id is increased by payout

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