usdd-skill

USDD / JUST Protocol

USDD stablecoin operations — PSM swaps, vault position queries, and balance checks via the JUST Protocol on TRON.

Scripts

• psm-swap.js — Buy/sell USDT via PSM at 1:1 (zero fee)
• psm-info.js — PSM state: fees, USDT reserves, USDD supply
• balance.js — Check USDD, USDT, USDC, TRX, and JST balances
• vault-info.js — Vault (CDP) parameters and individual position queries

Quick Start

cd usdd-skill && npm install
export TRON_PRIVATE_KEY="<key>"

node scripts/psm-info.js
node scripts/balance.js
node scripts/psm-swap.js sell 1000 --dry-run
node scripts/vault-info.js

Dependencies

• Node.js ^22.23.4 || ^24.22.1 || >=26.12.1
• tronweb 6.5.1