# Development **URL:** https://forum.just.network/c/development/2.md [Latest](https://forum.just.network/latest.md) · [Categories](https://forum.just.network/categories.md) · [Tags](https://forum.just.network/tags.md) --- ## [About the Development category](https://forum.just.network/t/about-the-development-category/54)
**Author:** [@JustL](https://forum.just.network/u/JustL)\ **Replies:** 0\ **Last updated:** [November 24, 2022, 5:13am UTC](https://forum.just.network/t/about-the-development-category/54 "2022-11-24T05:13:09Z")
Technical discussion about JustLend DAO. Connect with other developers and ask questions about design. This forum is more suitable for discussion. Visit https://www.justlend.link/docs/justlend\_whitepaper\_en.pdf and htt… --- ## [\[question\] energy rental automation using smart contracts](https://forum.just.network/t/question-energy-rental-automation-using-smart-contracts/756)
**Author:** [@minias](https://forum.just.network/u/minias)\ **Replies:** 0\ **Last updated:** [August 4, 2025, 8:50am UTC](https://forum.just.network/t/question-energy-rental-automation-using-smart-contracts/756 "2025-08-04T08:50:30Z")
I have a question about energy rental automation using smart contracts. The way I want to do this is to call a smart contract to automatically rent and return energy. I checked the two smart contracts and also looked a… --- ## [How I get rent expired date by API](https://forum.just.network/t/how-i-get-rent-expired-date-by-api/304)
**Author:** [@lukatw](https://forum.just.network/u/lukatw)\ **Replies:** 4\ **Last updated:** [December 5, 2023, 10:14am UTC](https://forum.just.network/t/how-i-get-rent-expired-date-by-api/304 "2023-12-05T10:14:53Z")
Hi, I’m a development, how can I know rent energy expired date by API or any way? thanks --- ## [Please check for any Permit Function Issues](https://forum.just.network/t/please-check-for-any-permit-function-issues/314)
**Author:** [@eva](https://forum.just.network/u/eva)\ **Replies:** 0\ **Last updated:** [November 27, 2023, 2:59am UTC](https://forum.just.network/t/please-check-for-any-permit-function-issues/314 "2023-11-27T02:59:23Z")
Hey everyone, I wanted to bring to your attention a case earlier published by our colleagues at Lido, which can be found here: Lido permit front-running 6 This issue has also been observed in other protocols. For insta… --- ## [\[Proposal\] CEXs Liquidity Task Force with cede.store](https://forum.just.network/t/proposal-cexs-liquidity-task-force-with-cede-store/309)
**Author:** [@MrBobbie](https://forum.just.network/u/MrBobbie)\ **Replies:** 0\ **Last updated:** [November 21, 2023, 6:48am UTC](https://forum.just.network/t/proposal-cexs-liquidity-task-force-with-cede-store/309 "2023-11-21T06:48:43Z")
Hey Justlend Community, Ryan here, BizDev at Cede Labs, a French startup backed by GSR, Stake Capital, and DoraHack. We have been developing cede.store over the past two years. This Chrome extension adopts a Metamask-… --- ## [Discussion on Energy Rental Development](https://forum.just.network/t/discussion-on-energy-rental-development/173)
**Author:** [@Hunter](https://forum.just.network/u/Hunter)\ **Replies:** 1\ **Last updated:** [June 7, 2023, 7:44am UTC](https://forum.just.network/t/discussion-on-energy-rental-development/173 "2023-06-07T07:44:35Z")
Hi, I’ve developed an Energy rental platform and noticed that you have lots of Energy left in your platform. I wonder if it is possible that you allow me to outlet your Energy. This will be a win-win cooperation. Or you … --- ## [The JustLend Market Will Destroy Community Led Energy Marketplaces](https://forum.just.network/t/the-justlend-market-will-destroy-community-led-energy-marketplaces/122)
**Author:** [@WindsofChange92](https://forum.just.network/u/WindsofChange92)\ **Replies:** 10\ **Last updated:** [April 14, 2023, 9:56am UTC](https://forum.just.network/t/the-justlend-market-will-destroy-community-led-energy-marketplaces/122 "2023-04-14T09:56:50Z")
The TRON community is angry over the JustLend Market because it is going to create a monopoly. Currently, we have energy market providers such as tronpulse.io , tronnrg.com , tokengoodies.com , https://strx.finance/, and… --- ## [Application need to be updated](https://forum.just.network/t/application-need-to-be-updated/86)
**Author:** [@ElevenMeow](https://forum.just.network/u/ElevenMeow)\ **Replies:** 2\ **Last updated:** [January 6, 2023, 9:19am UTC](https://forum.just.network/t/application-need-to-be-updated/86 "2023-01-06T09:19:59Z")
The front-end interface of the application is really easy to use, and I am used to this method of operation, but compare… --- ## [How can I calculate the APY for each market](https://forum.just.network/t/how-can-i-calculate-the-apy-for-each-market/61)
**Author:** [@CallMeNobody](https://forum.just.network/u/CallMeNobody)\ **Replies:** 1\ **Last updated:** [December 26, 2022, 4:32am UTC](https://forum.just.network/t/how-can-i-calculate-the-apy-for-each-market/61 "2022-12-26T04:32:08Z")
As subject. The supply mining APY was displayed on JustLend DAO homepage, is there any way i can calculate it manually ? --- ## [Start With TronWeb](https://forum.just.network/t/start-with-tronweb/53)
**Author:** [@JustL](https://forum.just.network/u/JustL)\ **Replies:** 0\ **Last updated:** [November 24, 2022, 4:57am UTC](https://forum.just.network/t/start-with-tronweb/53 "2022-11-24T04:57:54Z")
Tronweb is a JavaScript SDK for TRON. It is designed for web browsers, Node.js and IoT devices. If you are familiar with web3, Tronweb will bring you the same brilliant experience. Installation Either npm or yarn is av… --- ## [JustLend DAO Contracts](https://forum.just.network/t/justlend-dao-contracts/52)
**Author:** [@JustL](https://forum.just.network/u/JustL)\ **Replies:** 0\ **Last updated:** [November 24, 2022, 4:55am UTC](https://forum.just.network/t/justlend-dao-contracts/52 "2022-11-24T04:55:51Z")
JustLend Protocol is a TRON smart contract protocol for supplying or borrowing assets. Through the jToken contracts, accounts on the TRON blockchain supply capital (TRX or TRC20 tokens) to receive jTokens or borrow asset…