@cryptoscan/orca-sdk/dist/esm/OrcaApi.js

The fastest and easiest way to trade on Orca.

import { swap } from "@cryptoscan/swap-sdk";
import { getRate } from '@cryptoscan/scanner-sdk';
import { Connection } from "@solana/web3.js";
import { getBalance } from '@cryptoscan/solana-wallet-sdk';
export class OrcaApi {
    params = {
        buySlippage: 1,
        sellSlippage: 10,
        bumpSlippage: 10,
        buyFee: 0.00005,
        sellFee: 0.00005,
        transferFee: 0.00005,
        connection: new Connection('https://api.mainnet-beta.solana.com/'),
    };
    constructor(params) {
        if (params) {
            this.params = {
                ...this.params,
                ...params,
            };
        }
    }
    async buy(_params) {
        const params = {
            ..._params,
            type: 'swap',
            network: 'solana',
            amount: _params.sol,
            wallet: _params.payerWallet || _params.wallet,
            from: 'So11111111111111111111111111111111111111112',
            to: _params.coinAddress,
            fee: _params.fee || this.params.buyFee,
            slippage: _params.slippage || this.params.buySlippage,
            connection: this.params.connection,
        };
        return swap(params);
    }
    async sell(_params) {
        let sol = _params.sol;
        let amount;
        if (!_params.sol) {
            const balance = await getBalance(_params.wallet.publicKey.toString(), _params.coinAddress);
            amount = balance;
        }
        if (!amount) {
            amount = await getRate({
                network: 'solana',
                from: 'So11111111111111111111111111111111111111112',
                to: _params.coinAddress,
                amount: sol,
            }).then((r) => r?.amount);
        }
        if (!amount) {
            throw new Error('Failed to get price');
        }
        const params = {
            ..._params,
            type: 'swap',
            network: 'solana',
            amount,
            wallet: _params.payerWallet || _params.wallet,
            from: _params.coinAddress,
            to: 'So11111111111111111111111111111111111111112',
            fee: _params.fee || this.params.sellFee,
            slippage: _params.slippage || this.params.sellSlippage,
            connection: this.params.connection,
        };
        return swap(params);
    }
    async transfer(_params) {
        let amount = _params.sol;
        if (!_params.sol) {
            amount = await getBalance(_params.walletFrom.publicKey.toString());
        }
        if (!!_params.coinAddress || _params.coinAddress?.toLowerCase() === 'so11111111111111111111111111111111111111112') {
            amount = await getRate({
                network: 'solana',
                from: 'So11111111111111111111111111111111111111112',
                to: _params.coinAddress,
                amount,
            }).then((r) => r?.amount);
            if (!amount) {
                throw new Error('Failed to get price');
            }
        }
        const params = {
            ..._params,
            type: 'transfer',
            network: 'solana',
            wallet: _params.payerWallet || _params.walletFrom,
            coinAddress: _params.coinAddress || 'So11111111111111111111111111111111111111112',
            from: _params.walletFrom.publicKey.toString(),
            to: _params.walletTo.publicKey.toString(),
            amount: amount,
            fee: _params.fee || this.params.transferFee,
            connection: this.params.connection,
        };
        return swap(params);
    }
    async listenTransactions(address, onTransaction) {
        throw new Error('is not implemented');
    }
}