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addition to the swap description of Tokens #24

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addition to the swap description of Tokens #24

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30 changes: 27 additions & 3 deletions src/RaydiumSwap.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -253,9 +253,26 @@ class RaydiumSwap {
currencyOutDecimals = poolInfo.baseDecimals
}

const currencyIn = new Token(TOKEN_PROGRAM_ID, currencyInMint, currencyInDecimals)
// Getting the metadata of the tokens
const currencyInMeta = TOKEN_METADATA[currencyInMint.toString()] || { symbol: 'UNKNOWN', name: 'UNKNOWN' };
const currencyOutMeta = TOKEN_METADATA[currencyOutMint.toString()] || { symbol: 'UNKNOWN', name: 'UNKNOWN' };

// Creating Token objects with a symbol and a name
const currencyIn = new Token(
TOKEN_PROGRAM_ID,
currencyInMint,
currencyInDecimals,
currencyInMeta.symbol,
currencyInMeta.name
);
const amountIn = new TokenAmount(currencyIn, rawAmountIn, false)
const currencyOut = new Token(TOKEN_PROGRAM_ID, currencyOutMint, currencyOutDecimals)
const currencyOut = new Token(
TOKEN_PROGRAM_ID,
currencyOutMint,
currencyOutDecimals,
currencyOutMeta.symbol,
currencyOutMeta.name
);
const slippage = new Percent(5, 100) // 5% slippage

const { amountOut, minAmountOut, currentPrice, executionPrice, priceImpact, fee } = Liquidity.computeAmountOut({
Expand All @@ -278,4 +295,11 @@ class RaydiumSwap {
}
}

export default RaydiumSwap
// Mapping tokens by addresses
const TOKEN_METADATA: Record<string, { symbol: string; name: string }> = {
'So11111111111111111111111111111111111111112': { symbol: 'SOL', name: 'Solana' },
'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v': { symbol: 'USDC', name: 'USD Coin' },
// Add other tokens if necessary. - mainnet.json
};

export default RaydiumSwap