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DEPRECATED [dYdX Liquidator]

Bot to automatically liquidate undercollateralized and expired dYdX accounts.

Usage

Docker

Requires a running docker engine.

docker run \
  -e WALLET_ADDRESS=0x2c7536E3605D9C16a7a3D7b1898e529396a65c23 \
  -e WALLET_PRIVATE_KEY=0x4c0883a69102937d6231471b5dbb6204fe5129617082792ae468d01a3f362318 \
  -e ETHEREUM_NODE_URL=https://eth-mainnet.alchemyapi.io/v2/YOUR_ALCHEMY_KEY \
  -e SOLO_LIQUIDATIONS_ENABLED=true \
  -e SOLO_EXPIRATIONS_ENABLED=false \
  dydxprotocol/liquidator

Overview

This service will automatically liquidate undercollateralized and/or expired accounts on dYdX.

This bot works for Solo (Margin-Trading) accounts. Use the envvars SOLO_LIQUIDATIONS_ENABLED, SOLO_EXPIRATIONS_ENABLED to control what kind of liquidations to perform.

Liquidations on dYdX happen internally between Accounts, so you will need an already-funded dYdX Account to use this liquidator bot. If you use the default of SOLO_ACCOUNT_NUMBER=0, you can fund your dYdX Margin (Solo) Account on margin.dydx.exchange.

Successfully liquidating Accounts will modify your dYdX Account balances. You can liquidate assets you do not have in your Account provided you have another asset as collateral, which will just cause your dYdX Account Balance to go negative in that asset.

Solo Liquidations

Liquidations on Solo reward a 5% spread on top of the current oracle prices for the assets being liquidated and used as collateral. Example:

Undercollateralized Account:

+2 ETH
-350 DAI

Liquidator Account:

+100 ETH
-1000 DAI

Oracle Prices:

ETH Oracle Price: $200
DAI Oracle Price: $1

Fully liquidating this account would cause 350 DAI to be paid to zero out its balance, and would reward 350 DAI * ($1/DAI / $200/ETH) * 1.05 = 1.8375 ETH as payout. After the liquidation the account balances would be:

Undercollateralized Account:

+0.1625 ETH
0 DAI

Liquidator Account:

+101.8375 ETH
-1350 DAI

Configuration

Environment Variables

ENV Variable	Description
WALLET_ADDRESS	REQUIRED Ethereum address of the dYdX account owner that will do the liquidations
WALLET_PRIVATE_KEY	REQUIRED Ethereum private key the dYdX account owner that will do the liquidations. Make sure that "0x" is at the start of it (MetaMask exports private keys without it).
NETWORK_ID	Ethereum Network ID
ETHEREUM_NODE_URL	REQUIRED The URL of the Ethereum node to use (e.g. an Alchemy or Infura endpoint)
LIQUIDATION_KEY_EXPIRATION_SEC	Amount of time in seconds to wait before trying to liquidate the same account again
GAS_STATION_URL	URL of the gas station API to use
GAS_PRICE_MULTIPLIER	How much to multiply the `fast` gas price by when sending transactions
GAS_PRICE_UPDATE_FREQUENCY_SEC	How frequently to update the gas price
SOLO_LIQUIDATIONS_ENABLED	true or false - whether to liquidate solo accounts (true by default)
SOLO_EXPIRATIONS_ENABLED	true or false - whether to liquidate expired accounts (false by default)
SOLO_COLLATERAL_PREFERENCES	List of preferences for which collateral markets to receive first when liquidating
SOLO_OWED_PREFERENCES	List of preferences for which markets to liquidate first on an account when liquidating
SOLO_ACCOUNT_NUMBER	The dYdX account number to use for the liquidating account. If you're not sure what this is, use 0. This will show up on trade.dydx.exchange/account if you connect with the same wallet.
SOLO_MIN_ACCOUNT_COLLATERALIZATION	The desired minimum collateralization of the liquidator account after completing a liquidation. Prevents the liquidator account from being at risk of being liquidated itself if the price of assets continues to move in some direction. Higher values are safer. e.g. 0.5 = 150% collateralization
SOLO_MIN_OVERHEAD_VALUE	If you can liquidate less than this amount of value before hitting `SOLO_MIN_ACCOUNT_COLLATERALIZATION`, then don't liquidate. (1 USD = 1e36)
SOLO_EXPIRED_ACCOUNT_DELAY_SECONDS	How long to wait before liquidating expired accounts. The spread for liquidating expired accounts ramps up linearly from 0% to 5% over 1 hour.
ACCOUNT_POLL_INTERVAL_MS	How frequently to poll for liquidatable accounts
MARKET_POLL_INTERVAL_MS	How frequently to poll for market updates

License

dydxprotocol/liquidator

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