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Command-line tools

You can launch command-line tools from your Octane server directory. You can learn how to set it up in SETUP.

Generating config with popular tokens

yarn run cli generate-config-with-popular-tokens

Generates JSON to put in config.json as token fees for a specific endpoint. It loads popular tokens from Jupiter aggregator, calculates fees according to arguments and selects accounts to receive fees.

Config should be generated for each endpoint separately — in most cases, with different arguments.

Endpoints like transfer and buildWhirlpoolSwap require less SOL, so margins could be higher. Endpoint createAssociatedTokenAccount, that charges fee payer for a rent exemption payment on a new token account, must include --include-account-fees and may use lower margins, since the original price would be much higher.

{
    "rpcUrl": "https://api.mainnet-beta.solana.com",
    "maxSignatures": 2,
    "lamportsPerSignature": 5000,
    "corsOrigin": true,
    "endpoints": {
        "transfer": {
            "tokens": [
                // [ Result #1, yarn run cli generate-config-with-popular-tokens ]
            ]
        },
        "whirlpoolSwap": {
            "tokens": [
                // [ Result #2, yarn run cli generate-config-with-popular-tokens --n 5 ]
            ]
        }
        "createAssociatedTokenAccount": {
            "tokens": [
                // [ Result #3, yarn run cli generate-config-with-popular-tokens --include-account-fees ]
            ]
        }
    }
}
Argument Description Default value
-t, --tokens-from-top Tokens from the top of Jupiter aggregator to include 10
-m, --margin Part of total user-paid fee that fee payers takes as a surplus to transaction costs. From 0 to 1. For example, 0.5 would mean that user pays 2x the SOL signature fee. 0.9
-a, --include-account-fees Includes cost creating a associated token account in each fee pre-margin. Use this flag when filling out the endpoints.createAssociatedAccount part of config.

Generating a config entry

yarn run cli generate-config-entry

Generates a config entry for a single provided token. All rules of generate-config-with-popular-tokens apply here as well.

Argument Description Default value
-m, --margin Part of total user-paid fee that fee payers takes as a surplus to transaction costs. From 0 to 1. For example, 0.5 would mean that user pays 2x the SOL signature fee. 0.9
-a, --include-account-fees Includes cost creating a associated token account in each fee pre-margin. Use this flag when filling out the endpoints.createAssociatedAccount part of config.

Swapping tokens

yarn run cli swap-tokens-to-sol

Swaps tokens on accounts in config.json to SOL using Jupiter aggregator HTTP API.

It's recommended to run this command automatically every few hours to make sure fee payer always has enough SOL.

Argument Description Default value
-d, --dry-run Do not execute swaps, just calculate routes
-t, --threshold Minimum value of tokens to exchange, in SOL lamports 100000000

Create accounts

yarn run cli create-accounts

Creates associated token accounts for tokens specified in config.json. Octane will need these accounts to receive fee payments from users.

Argument Description Default value
-d, --dry-run Do not create accounts, just output what should be created