SUN Token

SUN is a fixed-supply TRC20 token on the TRON network. This repository contains the token contracts and their TronBox build configuration.

Token details

Property	Value
Name	SUN TOKEN
Symbol	SUN
Network	TRON
Standard	TRC20
Decimals	18
Total supply	19,900,730,000 SUN

The full supply is minted once during deployment to the nonzero address passed to SunToken(address gr). The contract supports transfers, approvals, delegated transfers, and allowance adjustments through increaseAllowance and decreaseAllowance. Balance and allowance arithmetic uses SafeMath.

Contract addresses

Network	Contract
Mainnet	TSSMHYeV2uE9qYH95DqyoCuNCzEL1NvU3S
Nile testnet	TDqjTkZ63yHB19w2n7vPm2qAkLHwn9fKKk

Build

Requires Node.js 22 or 24.

npm ci --ignore-scripts
npm run compile

The project uses TRON Solidity 0.5.8 with optimization enabled and 200 runs. TronBox downloads the compiler on the first build and writes compiled artifacts to build/contracts/.

Project structure

contracts/
  SunToken.sol      Token constructor and initial supply
  BaseTRC20.sol     Transfers, allowances, and token metadata
  ITRC20.sol        TRC20 interface and events
  Context.sol       Caller context
  SafeMath.sol      Checked arithmetic
tronbox-config.js   Compiler configuration