Mango Markets Market Maker

UNDER CONSTRUCTION - DO NOT USE

Setup

To run the market maker you will need:

• A Solana account with some SOL deposited to cover transaction fees
• A Mango Account with some collateral deposited and a name (tip: use the UI)
• Your wallet keypair saved as a JSON file
• node and yarn
• A clone of this repository
• Dependencies installed with yarn install

Environment Variables

Variable	Default	Description
ENDPOINT_URL	https://mango.rpcpool.com	Your RPC node endpoint
KEYPAIR	${HOME}/.config/solana/id.json	The location of your wallet keypair
PARAMS	default.json	params file

Market Maker Params

See params/default.json for an example

Variable	Default	Description
group	mainnet.1	Name of the group in ids.json
interval	10000	Milliseconds to wait before updating quotes
mangoAccountName	N/A	The MangoAccount name you input when initializing the MangoAccount via UI
mangoAccountPubkey	N/A	If no MangoAccount name, just pass in the pubkey
assets	N/A	Mapping of symbols to trade and their specific params
size_perc	0.1	The size of each order as a percentage of equity
charge	0.0010	Half the quote width
lean_coeff	0.0005	How much to move the quotes per unit size of inventory
bias	0	Fixed amount to bias. Negative values bias downward. e.g. -0.0005 biases down 5bps
requoteThresh	0	How much new bid/ask price must change to requote; e.g. 0.0002 implies 2bps

Setup systemd