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Spectre allows you to trade with Stealth Orders. Unlike typical exchanges where your static wallet address is visible, Stealth Orders use a unique, ephemeral address for every transaction. This breaks the linkability between your trades and your master identity. This is achieved using the Arcane protocol.

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How it Works

  1. Stealth Keys: You have a “Scanning Key” (to find your trades) and a “Spending Key” (to sign trades).
  2. Ephemeral Address: When placing an order, you generate a random “Stealth Address” that only you can control.
  3. Metadata: You attach stealthData (ephemeral public key, view tag) to the order so you can recover it later.

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Generating Stealth Data

You must include the stealthData parameter in spectre_placeOrder to enable privacy.

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Usage

from arcane.wallet import ArcaneWallet
from arcane.core import get_stealth_data

# 1. Initialize your wallet
# In reality, load this securely!
my_priv_key = "0x..." 
wallet = ArcaneWallet(my_priv_key)

# 2. Get your master Stealth Address (starts with 0X0)
my_address = wallet.get_address()
# e.g., "0X0..."

# 3. Generate Stealth Data for a SELF-transfer (trading with yourself essentially)
# For an exchange, you are designating yourself as the owner of the order.
# The `get_stealth_data` function generates the ephemeral keys.
stealth_tx = wallet.get_stealth_data(my_address)

# This dictionary matches the API requirement
stealth_data_param = {
    "ephemeralPublicKey": stealth_tx["ephemeral_public_key"],
    "viewTag": stealth_tx["view_tag"],
    "stealthPublicKey": stealth_tx["stealth_public_key"],
    # Client ID is optional, but helps you filter your own orders quickly
    # "clientId": "my-client-id" 
}

print("Stealth Param for API:", stealth_data_param)

# 4. Use in API
# rpc.call("spectre_placeOrder", { ..., "stealthData": stealth_data_param })

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Client Viewing Keys

To view your trade history or decrypt your order details on a new device, you need your Viewing Key.
  • This key allows Read-Only access.
  • It cannot sign transactions or move funds.
  • The exchange uses this to serve you your encrypted data.

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Encryption (ECIES)

Sensitive fields in OrderMeta are encrypted using ECIES (Elliptic Curve Integrated Encryption Scheme).
  • Encryption: Done with the Viewing Public Key.
  • Decryption: Done with the Viewing Private Key.
This ensures that even if the exchange database is leaked, your private order details (like exact leverage, margin, or identity) remain cryptographically secure.