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MeteoraDlmmApi.ts
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MeteoraDlmmApi.ts
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import pThrottle from "p-throttle";
import { cachedRequest, delay, type UnifiedFetcher } from "./util";
const METEORA_API = "https://dlmm-api.meteora.ag";
const METEORA_API_PAIR_ENDPOINT = "/pair/all";
export interface MeteoraDlmmPair {
address: string;
name: string;
mint_x: string;
mint_y: string;
reserve_x: string;
reserve_y: string;
reserve_x_amount: number;
reserve_y_amount: number;
bin_step: number;
base_fee_percentage: string;
max_fee_percentage: string;
protocol_fee_percentage: string;
liquidity: string;
reward_mint_x: string;
reward_mint_y: string;
fees_24h: number;
today_fees: number;
trade_volume_24h: number;
cumulative_trade_volume: string;
cumulative_fee_volume: string;
current_price: number;
apr: number;
apy: number;
farm_apr: number;
farm_apy: number;
hide: boolean;
}
export interface MeteoraApidata {
tx_id: string;
onchain_timestamp: number;
position_address: string;
pair_address: string;
}
export interface MeteoraTransactionData extends MeteoraApidata {
active_bin_id: number;
price: number;
token_x_amount: number;
token_y_amount: number;
token_x_usd_amount: number;
token_y_usd_amount: number;
}
export interface MeteoraClaimFeesData extends MeteoraApidata {
token_x_amount: number;
token_x_usd_amount: number;
token_y_amount: number;
token_y_usd_amount: number;
}
export interface MeteoraClaimRewardsData extends MeteoraApidata {
reward_mint_address: string;
token_amount: number;
token_usd_amount: number;
}
export const getDlmmPairs = cachedRequest(
async (fetcher: UnifiedFetcher = fetch) => {
const pairResponse = await fetcher(METEORA_API + METEORA_API_PAIR_ENDPOINT);
const pairArray = JSON.parse(
await pairResponse.text(),
) as MeteoraDlmmPair[];
const pairs: Map<string, MeteoraDlmmPair> = new Map();
pairArray.forEach((pair) => pairs.set(pair.address, pair));
return {
lastUpdated: new Date().getTime(),
pairs,
};
},
);
export const THROTTLE_METEORA_DETAIL_API = pThrottle({
limit: 4,
interval: 1000,
strict: true,
});
const fetchMeteoraApiData = THROTTLE_METEORA_DETAIL_API(
async (
positionAddress: string,
endpoint: "/deposits" | "/withdraws" | "/claim_fees" | "/claim_rewards",
delayMs = 1000,
retryCount = 0,
): Promise<any> => {
try {
const url = `${METEORA_API}/position/${positionAddress}${endpoint}`;
const response = await fetch(url);
if (response.status == 429) {
await delay(delayMs);
return fetchMeteoraApiData(positionAddress, endpoint, delayMs * 2);
}
const json = await response.json();
return json;
} catch (err) {
if (retryCount == 3) {
const errorMessage = `Critical error: Fetch for ${METEORA_API}/position/${positionAddress}${endpoint} failed 3 times.`;
console.error(errorMessage);
throw new Error(errorMessage);
}
console.warn(
`Error fetching ${METEORA_API}/position/${positionAddress}${endpoint}, retrying in ${delayMs}`,
);
await delay(delayMs);
return fetchMeteoraApiData(
positionAddress,
endpoint,
delayMs * 2,
retryCount + 1,
);
}
},
);
export async function fetchDeposits(positionAddress: string) {
return fetchMeteoraApiData(positionAddress, "/deposits") as Promise<
MeteoraTransactionData[]
>;
}
export async function fetchWithdraws(positionAddress: string) {
return fetchMeteoraApiData(positionAddress, "/withdraws") as Promise<
MeteoraTransactionData[]
>;
}
export async function fetchFees(positionAddress: string) {
return fetchMeteoraApiData(positionAddress, "/claim_fees") as Promise<
MeteoraClaimFeesData[]
>;
}
export async function fetchRewards(positionAddress: string) {
return fetchMeteoraApiData(positionAddress, "/claim_rewards") as Promise<
MeteoraClaimRewardsData[]
>;
}