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Synthetix Perp Liquidation Price Calculation

Calculates an accurate liquidation price for synthetix Perps V2 Positions

To Setup

CREATE FOLDER FOR A PROJECT

mkdir liquidation
cd liquidation
git clone [email protected]:Synthetixio/perp_liquidation_compute.git liquidation

Add Config File

  • create folder config under project director
  • create file conf.yaml that includes the below information
---
nodes:
    mainnet: 'https://opt-mainnet.g.alchemy.com/v2/XXXXXXXXXXX'
    goerli:  'https://opt-goerli.g.alchemy.com/v2/XXXXXXXXXXX'
etherscan:
    mainnet: 'https://api-optimistic.etherscan.io/api?module=contract&action=getabi&address={}&apikey=XXXXXXXXXXX'
    goerli: 'https://api-goerli-optimism.etherscan.io/api?module=contract&action=getabi&address={}&apikey=XXXXXXXXXXX'
                
resolver:
    mainnet:  '0x95A6a3f44a70172E7d50a9e28c85Dfd712756B8C'
    goerli:  '0x1d551351613a28d676BaC1Af157799e201279198'
        
pyth:

    mainnet: 'https://xc-mainnet.pyth.network/api/latest_price_feeds?ids[]={}'

    goerli: 'https://xc-testnet.pyth.network/api/latest_price_feeds?ids[]={}'

Run Code

CREATE VIRTUAL ENVIRONMENT

python3.8 -m venv myvenv

ACTIVATE VIRTUAL ENVIRONMENT

source myvenv/bin/activate

Install Requirements

pip install env/requirements.txt

Install Requirements

python main.py -h

Compute exact liquidation price

Input:

$python main.py -a 0x21d099fE94FF5075654e36d7CaF0FeFADaFe7446 -t eth -s 1 -n mainnet

Args to be used:

  • a being the address of the user or smart contract
  • t being the ticker
  • s the size, 1.5 means 1.5 eth for example, set s to zero for no position changes
  • n can be mainnet or goerli

Output:

{'liquidationPrice': 2010.5158171917135, 'safePrice': 2010.3147656099943}

  • safePrice: Price at which an account is safe from liquidation
  • liquidationPrice: Price at which an account has already been liquidated

For usage, use safePrice in the UI and note that highly leveraged positions that exceed maxLeverage, the displayed price is an estimate as the account is very near liquidation thresholds.