Get pool reserves (V1)

const apiUrl = `/api/v1/accounts/${poolContractId}/tokens`;
const response = await axios.get(`${mirrorNodeBaseUrl}${apiUrl}`);
const tokens = response.data.tokens;

for (const token of tokens ) {
  console.log(`Token id: ${token.token_id}, Reserve: ${token.balance}`);
}

import * as ethers from 'ethers'; //V6

//Set one of Hedera's JSON RPC Relay as the provider
const provider = new ethers.JsonRpcProvider(hederaJsonRelayUrl, '', {
  batchMaxCount: 1, //workaround for V6
});

//load abi data containing Pair's getReserves() function
const interfaces = new ethers.Interface(abi);

const poolContract = new ethers.Contract(poolAddress, interfaces.fragments, provider);
const result = await poolContract.getReserves();
const reserve0 = result.reserve0; //in token's smallest unit
const reserve1 = result.reserve1; //in token's smallest unit
const block = result.blockTimestampLast;