What standards are out there for issuing payments from ERC-20 or NFTs?

jpitts · February 23, 2023, 6:26pm

Here is a list of some I found, post here if you know of any others.

ERC-2981

Overview: https://www.nftstandards.wtf/Standards/EIP2981+Royalty+Standard

https://eips.ethereum.org/EIPS/eip-2981

ERC-5173

ERC-1726

github.com/ethereum/EIPs

ERC-1726: Dividend-Paying Token Standard

opened 07:13PM - 27 Jan 19 UTC

closed 05:44AM - 12 Feb 22 UTC

Roger-Wu

``` eip: <to be assigned> title: Dividend-Paying Token Standard author: Roger… Wu (@Roger-Wu) <gsetcrw@gmail.com>, Tom Lam (@erinata) <tomlam@uchicago.edu> type: Standards Track category: ERC status: Draft created: 2019-01-27 ``` ## Simple Summary A standard interface for dividend-paying tokens. ## Abstract The following standard allows for the implementation of a standard API for dividend-paying tokens within smart contracts. This standard provides basic functionality to allow anyone to pay and distribute ether to all token holders. A token holder can then view or withdraw the ether distributed to them from the contract. ## Motivation While the number of tokens and dapps with dividend paying features is growing, there is few widely adopted standard interfaces for such contracts. A standard interface allows wallet/exchange applications to work with any dividend-paying token on Ethereum, which makes it much easier to view and manage dividends from different sources. In this EIP, we propose a standard interface and a well-tested implementation for a dividend-paying token contract. We hope that our work could help the community to reach a consensus of the standard. ## Specification ```solidity pragma solidity ^0.5.0; /// @title Dividend-Paying Token Interface /// @author Roger Wu (https://github.com/roger-wu) /// @dev An interface for a dividend-paying token contract. interface DividendPayingTokenInterface { /// @notice View the amount of dividend in wei that an address can withdraw. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` can withdraw. function dividendOf(address _owner) external view returns(uint256); /// @notice Distributes ether to token holders as dividends. /// @dev SHOULD distribute the paid ether to token holders as dividends. /// SHOULD NOT directly transfer ether to token holders in this function. /// MUST emit a `DividendsDistributed` event when the amount of distributed ether is greater than 0. function distributeDividends() external payable; /// @notice Withdraws the ether distributed to the sender. /// @dev SHOULD transfer `dividendOf(msg.sender)` wei to `msg.sender`, and `dividendOf(msg.sender)` SHOULD be 0 after the transfer. /// MUST emit a `DividendWithdrawn` event if the amount of ether transferred is greater than 0. function withdrawDividend() external; /// @dev This event MUST emit when ether is distributed to token holders. /// @param from The address which sends ether to this contract. /// @param weiAmount The amount of distributed ether in wei. event DividendsDistributed( address indexed from, uint256 weiAmount ); /// @dev This event MUST emit when an address withdraws their dividend. /// @param to The address which withdraws ether from this contract. /// @param weiAmount The amount of withdrawn ether in wei. event DividendWithdrawn( address indexed to, uint256 weiAmount ); } ``` OPTIONAL functions for a dividend-paying token contract: ```solidity pragma solidity ^0.5.0; /// @title Dividend-Paying Token Optional Interface /// @author Roger Wu (https://github.com/roger-wu) /// @dev OPTIONAL functions for a dividend-paying token contract. interface DividendPayingTokenOptionalInterface { /// @notice View the amount of dividend in wei that an address can withdraw. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` can withdraw. function withdrawableDividendOf(address _owner) external view returns(uint256); /// @notice View the amount of dividend in wei that an address has withdrawn. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` has withdrawn. function withdrawnDividendOf(address _owner) external view returns(uint256); /// @notice View the amount of dividend in wei that an address has earned in total. /// @dev accumulativeDividendOf(_owner) = withdrawableDividendOf(_owner) + withdrawnDividendOf(_owner) /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` has earned in total. function accumulativeDividendOf(address _owner) external view returns(uint256); } ``` ## Implementation Our implementation of a mintable dividend-paying ERC20 token: https://github.com/Roger-Wu/DividendPayingToken ## Backwards Compatibility The interface is designed to be compatible with ERC20 (#20) and ERC1400 (#1411) security token standard. ## Copyright Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).

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