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endpoints.md

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Endpoints

Get node configuration

GET /api/

Load Octane node configuration. Config is used to correctly set token fee and fee payer in the created transaction.

No parameters.

Example response:

{
    "feePayer": "AmnCNDKh74yWiyAtA3gn6tBBdyU7qzdxYkeXhZRqMNZm",
    "rpcUrl": "https://api.mainnet-beta.solana.com",
    "maxSignatures": 2,
    "lamportsPerSignature": 5000,
    "corsOrigin": true,
    "endpoints": {
        "transfer": {
            "tokens": [
                {
                    "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                    "account": "Ar9LjjzJoAhqVQ5xjtAqRhRLtanzYPT72bBv2MZ8ggA1",
                    "decimals": 6,
                    "fee": 1553
                }
            ]
        },
        "createAssociatedTokenAccount": {
            "tokens": [
                {
                    "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                    "account": "Ar9LjjzJoAhqVQ5xjtAqRhRLtanzYPT72bBv2MZ8ggA1",
                    "decimals": 6,
                    "fee": 127014
                }
            ]
        },
        "whirlpoolsSwap": {
            "tokens": [
                {
                    "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                    "account": "Ar9LjjzJoAhqVQ5xjtAqRhRLtanzYPT72bBv2MZ8ggA1",
                    "decimals": 6,
                    "fee": 1553
                }
            ]
        }
    }
}

Source code

Create a new associated token account

POST /api/createAssociatedTokenAccount

The transaction should transfer a fee to Octane as first instruction and create new associated token account as second instruction.

Parameter Type Description
transaction String Base58-encoded serialized transaction with user's signature

Example response:

{
   "status": "ok",
   "signature": "LSYkHUMUuPCmnScxtbqPrBiy8Eiw28NHvwRzbRRix2v8jon8RKMNYkqxH23E9Mabks985AKeR5293ekQzLoTGBT"
}

Source code

Submit an arbitrary transaction

POST /api/transfer

Submit an arbitrary transaction. First instruction should transfer a fee to Octane. Transaction can't create new accounts: use /createAssociatedTokenAccount for Token Program and just-in-time swaps for other programs.

Parameter Type Description
transaction String Base58-encoded serialized transaction with user's signature

Example response:

{
   "status": "ok",
   "signature": "LSYkHUMUuPCmnScxtbqPrBiy8Eiw28NHvwRzbRRix2v8jon8RKMNYkqxH23E9Mabks985AKeR5293ekQzLoTGBT"
}

Source code

Build a Whirlpools swap transaction

POST /api/buildWhirlpoolsSwap

Creates a transaction that allows to exchange an SPL token to SOL without having any SOL. It also returns messageToken: it needs to be passed to /sendWhirlpoolsSwap when submitting the signed transaction.

Parameter Type Description
user String Base58-encoded public key of user who wants to make swap
sourceMint String Base58-encoded mint of source SPL token
amount Number Amount of source token to swap, in decimals notation
slippingTolerance Number Slipping tolerance for swap

Example response:

{
    "status": "ok",
    "transaction": "[...]",
    "messageToken": "[...]",
    "quote": {}
}

Source code

Send a Whirlpools swap transaction

POST /api/sendWhirlpoolsSwap

Sends a swap transaction after it was signed by the user.

Parameter Type Description
transaction String Base58-encoded serialized transaction with user's signature
messageToken String Message token from /buildWhirlpoolsSwap result

Source code