[英]How To Fetch OpenSea API
我正在嘗試獲取不同的集合統計信息並使用 for 循環遍歷它們以指定我要檢索的集合。 我想將每個集合推入另一個數組並返回 collections 數組。
export async function getNFTSales() {
const collections = [
'cryptopunks',
'boredapeyachtclub',
'mutant-ape-yacht-club',
];
const newNFTArray = [];
try {
Promise.all(
collections.forEach(collection => {
fetch(`https://api.opensea.io/api/v1/collection/${collection}/stats`)
.then(response => response.json())
.then(response => {
response.forEach(nftArray => {
newNFTArray.push(nftArray);
});
});
return newNFTArray;
}),
);
} catch (error) {
throw error;
}
}
從未調用 newNFTArray.push - 我一定是錯過了其中一個迭代的步驟?
響應 object 數組:
{
"stats": {
"one_day_volume": 560.27,
"one_day_change": -0.2779002178143809,
"one_day_sales": 8,
"one_day_average_price": 70.03375,
"seven_day_volume": 10322.029999999999,
"seven_day_change": 0.45140486499035165,
"seven_day_sales": 139,
"seven_day_average_price": 74.25920863309352,
"thirty_day_volume": 39963.36100000096,
"thirty_day_change": 0.2829772043143385,
"thirty_day_sales": 476,
"thirty_day_average_price": 83.95664075630454,
"total_volume": 767357.0922492892,
"total_sales": 18341,
"total_supply": 9999,
"count": 9999,
"num_owners": 3296,
"average_price": 41.83834536008337,
"num_reports": 7,
"market_cap": 742517.827122302,
"floor_price": null
}
}
Map 集合返回承諾Promise.all
執行。
const promises = collections.map(collection => { // note the map
// note the return
return fetch(`https://api.opensea.io/api/v1/collection/${collection}/stats`)
.then(response => response.json());
});
try {
Promise.all(promises).then(results => {
newNFTArray = results.flat()
});
} catch (error) {
...
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