# Development

**URL:** https://forum.sun.io/c/development/8.md

[Latest](https://forum.sun.io/latest.md) · [Categories](https://forum.sun.io/categories.md) · [Tags](https://forum.sun.io/tags.md)

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## [关于“Development”类别](https://forum.sun.io/t/topic/12)

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**Author:** [@sunio](https://forum.sun.io/u/sunio)\
**Replies:** 0\
**Last updated:** [May 21, 2024, 4:08am UTC](https://forum.sun.io/t/topic/12 "2024-05-21T04:08:05Z")

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Discuss technical details and connect with other SunDAO developers here.

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## [TRC-20 Token Not Showing on SunSwap V2/V3](https://forum.sun.io/t/trc-20-token-not-showing-on-sunswap-v2-v3/923)

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**Author:** [@alex07](https://forum.sun.io/u/alex07)\
**Replies:** 1\
**Last updated:** [November 10, 2026, 3:20am UTC](https://forum.sun.io/t/trc-20-token-not-showing-on-sunswap-v2-v3/923 "2026-11-10T03:20:58Z")

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Hello SUN DAO / SunSwap Support Team, I recently deployed a TRC-20 token on the TRON Mainnet, but I am unable to find or select it on SunSwap V2 or V3 when attempting to create a liquidity pool. Token contract: TXf6xMa…

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## [Swap via Smart Router](https://forum.sun.io/t/swap-via-smart-router/794)

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**Author:** [@sunio](https://forum.sun.io/u/sunio)\
**Replies:** 0\
**Last updated:** [October 24, 2025, 6:47am UTC](https://forum.sun.io/t/swap-via-smart-router/794 "2025-10-24T06:47:01Z")

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Step 1: Install Editor/IDE: Visual Studio Code (VS Code) Official download: https://code.visualstudio.com After downloading, simply extract and install Step 2: Install Node: Use nvm to Install and Switch Node.js …

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## [Interacting with Contracts](https://forum.sun.io/t/interacting-with-contracts/793)

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**Author:** [@sunio](https://forum.sun.io/u/sunio)\
**Replies:** 0\
**Last updated:** [October 24, 2025, 6:46am UTC](https://forum.sun.io/t/interacting-with-contracts/793 "2025-10-24T06:46:09Z")

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Using TronWeb to interact with contracts, after initializing a TronWeb instance, you can easily interact with on-chain contracts. // Initialize TronWeb instance const TronWeb = require('tronweb') const privateKey = proc…

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## [Smart contract address](https://forum.sun.io/t/smart-contract-address/32)

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**Author:** [@sunio](https://forum.sun.io/u/sunio)\
**Replies:** 2\
**Last updated:** [September 29, 2025, 3:20am UTC](https://forum.sun.io/t/smart-contract-address/32 "2025-09-29T03:20:55Z")

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About the smart contract address, you can refer to SUN.io Overview | SUN.io

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## [List of contract interface](https://forum.sun.io/t/list-of-contract-interface/33)

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**Author:** [@sunio](https://forum.sun.io/u/sunio)\
**Replies:** 0\
**Last updated:** [May 22, 2024, 4:38am UTC](https://forum.sun.io/t/list-of-contract-interface/33 "2024-05-22T04:38:13Z")

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1 TRC20 Token interface ITRC20 { function transfer(address to, uint256 value) external returns (bool); function approve(address spender, uint256 value) external returns (bool); function transferFrom(address from, add…

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## [Backend API Instructions](https://forum.sun.io/t/backend-api-instructions/30)

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**Author:** [@sunio](https://forum.sun.io/u/sunio)\
**Replies:** 0\
**Last updated:** [May 21, 2024, 8:16am UTC](https://forum.sun.io/t/backend-api-instructions/30 "2024-05-21T08:16:37Z")

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Access all trading pairs GET: https://openapi.sun.io/v2/allpairs?ver=3 Parameters: page\_size : int, size of each page, max 500 page\_num: int, number of the page, starting from 0 token\_address: optional; return only …