solana-transactions-wrapper

Handy tool to execute buy/sell transactions on the SOLANA chain.

Installation

Install the package with npm:

npm install solana-transactions-wrapper

Usage

Importing the package

import { buy_token, sell_token, get_tokens_balances, get_token_balance } from 'solana-transactions-wrapper';

---

Buying a token

Parameters:

config: The buy function accepts a config object, as per buyConfig object type.

The buyConfig object type is defined as follows:

type buyConfig = {
    RPC_ENDPOINT: string;
    WALLET_PRIVATE_KEY: string;
    ADDRESS_OF_TOKEN_TO_BUY: string;
    AMOUNT_OF_SOLANA_TO_SPEND: number;
    SLIPPAGE: number;
  }

Usage:

await buy_token(config: buyConfig)

Logs Example:

Connection established 🚀
Wallet fetched ✅
Trying to buy token using "amount" SOL...
Transaction sent with txid: "transaction_id"
Waiting for confirmation... 🕒
Transaction confirmed ✅

---

Selling a token

Parameters:

config: The sell function accepts a config object, as per sellConfig object type.

The sellConfig object type is defined as follows:

type sellConfig = {
    SELL_ALL: boolean;
    RPC_ENDPOINT: string;
    WALLET_PRIVATE_KEY: string;
    ADDRESS_OF_TOKEN_TO_SELL: string;
    AMOUNT_OF_TOKEN_TO_SELL?: number;
    SLIPPAGE: number;
  }

Usage:

await sell_token(config: sellConfig)

Logs Example:

Connection established 🚀
Wallet fetched ✅
Selling "amount" of "token_address"...
Transaction sent with txid: "transaction_id"
Waiting for confirmation... 🕒
Transaction confirmed ✅

---

Getting Account Tokens Balances

const tokens_balances = await get_tokens_balances(
  RPC_ENDPOINT,
  WALLET_PRIVATE_KEY
);

• RPC_ENDPOINT: Your RPC endpoint to connect to.
• WALLET_PRIVATE_KEY: The private key of the wallet you want to get the tokens from.

This function returns a promise that resolves to an object mapping token addresses to their balance and symbol.

---

Getting Token Balance

const token_balance = await get_token_balance(
  RPC_ENDPOINT,
  WALLET_PRIVATE_KEY,
  TOKEN_ADDRESS
);

• RPC_ENDPOINT: Your RPC endpoint to connect to.
• WALLET_PRIVATE_KEY: The private key of the wallet you want to get the tokens from.
• TOKEN_ADDRESS: The address of the token you want to get the balance from.

This function returns a promise that resolves to the balance of the token.