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Returns estimated output amount, price impact, route, and fee. **No signing.**

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| Option | Required | Description |
|--------|----------|-------------|
| `--from-chain <id>` | Yes | Source chain ID |
| `--to-chain <id>` | No | Destination chain ID (defaults to same as from-chain) |
| `--from <token>` | Yes | Source token contract; use `-` for native token (ETH/SOL/BNB) |
| `--to <token>` | Yes | Destination token contract |
| `--amount <n>` | Yes | Human-readable input amount |
| `--slippage <n>` | No | Slippage tolerance as decimal (default 0.03 = 3%) |
| `--native-in <0\|1>` | No | `1` if source token is native (ETH/SOL); default `0` |
| `--native-out <0\|1>` | No | `1` if destination token is native; default `0` |
| `--wallet <addr>` | No | Source wallet address (auto-detected from auth) |
| `--to-wallet <addr>` | No | Destination wallet address (required for cross-chain bridge) |

gate-dex swap-history

gate-dex swap-detail <order_id>

gate-dex swap-tokens
gate-dex swap-tokens --chain eth
gate-dex swap-tokens --chain sol --search USDC

gate-dex bridge-tokens
gate-dex bridge-tokens --src-chain eth --dest-chain arb

EVM same-chain flow:
1. Load auth; fetch wallet address
2. Get quote
3. Check if ERC20 approve is needed → auto-approve if needed (GV checkin for approve)
4. Re-quote after approve
5. Build swap transaction
6. GV security checkin (built-in) for swap tx
7. Server-side signing
8. Broadcast
9. Print tx hash + order ID

EVM cross-chain bridge flow (from-chain ≠ to-chain):
1. Load auth; fetch wallet address
2. Get cross-chain bridge quote (--from-chain / --to-chain / --to-wallet required)
3. Check if ERC20 approve is needed on source chain → auto-approve if needed
4. Build bridge transaction on source chain
5. GV security checkin (built-in)
6. Server-side signing
7. Broadcast on source chain
8. Print source tx hash + order ID (destination arrival is async, monitor via swap-detail)

Solana flow:
1. Load auth; fetch Solana address
2. Get quote
3. Build transaction (base64 → base58 conversion handled internally)
4. GV security checkin (built-in, includes priority fee)
5. Server-side signing
6. Broadcast via Solana mainnet RPC
7. Print tx hash + order ID

========== Swap Confirmation ==========
From:     {amount} {from_symbol} on {from_chain}
To:       ~{estimated_out} {to_symbol} on {to_chain}
Slippage: {slippage}%
Route:    {route_path}
Fee:      {fee_usd} USD
========================================
Reply "confirm" to execute, "cancel" to abort.

========== Swap Result ==========
Status:       Submitted
From:         {amount} {from_symbol} on {from_chain}
To:           ~{estimated_out} {to_symbol} on {to_chain}
Tx hash:      {tx_hash}
Explorer:     {explorer_url}
Order ID:     {order_id}
=================================
{Cross-chain note (if applicable): destination arrival is asynchronous; track via gate-dex swap-detail <order_id>.}

Risk Disclosure: Digital asset trading involves significant risk and may result in partial or total loss of your investment. For informational purposes only; not investment, financial, tax, or legal advice.

========== Swap Quote (Preview) ==========
{Same fields as Swap Confirmation Template}
==========================================
No transaction has been signed or broadcast.