t2000: Rebalance (Yield Optimizer)

Purpose

Automatically find and execute the best yield across NAVI and Suilend. Internally optimizes across all 4 stablecoins (USDC, suiUSDT, suiUSDe, USDsui) — the user doesn't need to think about which stablecoin to hold. One command moves savings from a lower-yielding position to the highest available rate, handling withdrawals, swaps, and deposits in sequence.

Command

t2000 rebalance --dry-run       # preview the plan without executing
t2000 rebalance                 # execute (prompts for confirmation)
t2000 rebalance --yes           # skip confirmation prompt (for agents)

# With custom thresholds:
t2000 rebalance --min-diff 1.0              # only act on 1%+ APY difference
t2000 rebalance --max-break-even 14         # skip if break-even > 14 days
t2000 rebalance --dry-run --json            # machine-readable plan

Workflow

1. Always run --dry-run first to see the plan
2. Review the economics (APY gain, swap cost, break-even days)
3. Run without --dry-run to execute (or add --yes for agents)

Output (dry-run)

Rebalance Plan
──────────────────────────────────────
  From:    USDC on NAVI Protocol (4.21% APY)
  To:      suiUSDT on Suilend (5.40% APY)
  Amount:  $1,000.00

Economics
──────────────────────────────────────
  APY Gain:     +1.19%
  Annual Gain:  $11.90/year
  Swap Cost:    ~$0.30
  Break-even:   9 days

Steps
──────────────────────────────────────
  1. Withdraw $1,000.00 USDC from navi
  2. Swap USDC → suiUSDT (~$999.70)
  3. Deposit $999.70 suiUSDT into suilend

DRY RUN — Preview only, no transactions executed
  Run `t2000 rebalance` to execute.

Output (executed)

  ✓ Rebalanced $1,000.00 → 5.40% APY
  Tx:  https://suiscan.xyz/mainnet/tx/0x...
  Gas:  0.0150 SUI

Options

Flag	Description	Default
--dry-run	Preview without executing	false
--min-diff <pct>	Minimum APY difference to trigger	0.5%
--max-break-even <days>	Max break-even days for cross-asset moves	30
--yes	Skip confirmation prompt	false
--json	Machine-readable output	false

Safety

• Health factor check: refuses to rebalance if HF < 1.5 (active borrows)
• Break-even filter: skips cross-asset moves with break-even > 30 days
• Minimum yield difference: ignores gains below 0.5% by default
• Confirmation prompt before execution (use --yes to skip for agents)
• If any step fails, stops and reports state

When to use

• Periodically (weekly/monthly) to optimize yield
• After rate changes on protocols
• When new stablecoins offer higher yields
• After t2000 save to potentially upgrade to a better rate

Notes

• Same-asset rebalance (e.g., USDC from NAVI → Suilend): no swap needed, zero cost
• Cross-asset rebalance (e.g., USDC → suiUSDT): swap cost factored into break-even
• Multi-stablecoin optimization is handled internally — users save/withdraw in USDC only
• Withdraw always returns USDC (auto-swaps non-USDC positions back)