ERC-721 royalty

In Dev Protocol, ERC-721 tokens indicate a staking position for any of Property Tokens, have a specially extended interface, and are referred to as sTokens.

Set Royalty for STokens

Royalty is a percentage value used to calculate the royalty-amount against the sale value of an NFT

ERC20 owners or simply the property Author can set the royalty by executing the setSTokenRoyaltyForProperty function of STokenManager contract.

setSTokenRoyaltyForProperty function takes 3 arguments:

1. Property Tokens address
2. Royaly amount

Dev Kit JS

import { clientsSTokens } from '@devprotocol/dev-kit'
import { whenDefined } from '@devprotocol/util-ts'
import type { BaseProvider } from '@ethersproject/providers'

// This function Sets a resale royalty for the passed Property Tokens's STokens & returns latest royalty value of a particular property's STokens
export default async (provider: BaseProvider) => {
    const clients = await clientsSTokens(provider)
    const sToken = whenDefined(clients, ([l1, l2]) => l1 ?? l2)
    const set = await whenDefined(sToken, (contract) =>
        contract.setSTokenRoyaltyForProperty(
            // Property address
            '0xDbc05b1eCB4fdaEf943819C0B04e9ef6df4bAbd6',
            // Royalty value (between 0 to 100) (using 2 decimals - 10000 = 100, 0 = 0)
            '10'
        )
    )
    await set.wait()

    const royalty = await whenDefined(sToken, (contract) =>
        contract.royaltyOf(
            // Property address
            '0xDbc05b1eCB4fdaEf943819C0B04e9ef6df4bAbd6'
        )
    )
    return royalty
}

Polygon/Arbitrum and their testnets

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "@devprotocol/i-s-tokens/contracts/interfaces/ISTokensManagerV2.sol";

contract usingstokenInterface {
    ISTokensManagerV2 internal STokenQuery;
    /**
    * Network: Polygon Mainnet
    * Address: 0x89904De861CDEd2567695271A511B3556659FfA2
    */
    constructor() {
        STokenQuery = ISTokensManagerV2(0x89904De861CDEd2567695271A511B3556659FfA2);
    }

    /**
    * @dev Sets a resale royalty for the passed Property Tokens's STokens
    * @param _propertyaddress Property address of particular property to set royalty for
    * @param _royalty Royalty value (between 0 to 100)
    * @return uint24 latest royalty value of a particular property's STokens
    */
    function sTokenroyalty(
        address _propertyaddress,
        uint256 _royalty
    ) public
    returns(uint24){
        STokenQuery.setSTokenRoyaltyForProperty(_propertyaddress, _royalty);
        uint24 newRoyalty = STokenQuery.royaltyOf(_propertyaddress);
        return newRoyalty;
    }
    // similarly you can call other functions from the interface
}

See Ecosystem Addresses for lockup contract addresses.

Ethereum

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "@devprotocol/i-s-tokens/contracts/interfaces/ISTokensManager.sol";
import "@devprotocol/protocol/contracts/interface/IAddressConfig.sol";


contract usingstokenInterface {
    IAddressConfig public addressConfig;

    constructor(address _addressConfig) public {
        addressConfig = IAddressConfig(_addressConfig);
    }

    /**
    * @dev Sets a resale royalty for the passed Property Tokens's STokens
    * @param _propertyaddress Property address of particular property to set royalty for
    * @param _royalty Royalty value (between 0 to 100)
    * @return uint24 latest royalty value of a particular property's STokens
    */
    function sTokenroyalty(
        address _propertyaddress,
        uint256 _royalty
    ) public
    returns(uint24){
        ISTokensManager STokenQuery = ISTokensManager(addressConfig.lockup());
        STokenQuery.setSTokenRoyaltyForProperty(_propertyaddress, _royalty);
        uint24 newRoyalty = STokenQuery.royaltyOf(_propertyaddress);
        return newRoyalty;
    }
    // similarly you can call other functions from the interface
}

See Ecosystem Addresses for lockup contract addresses.