Compact JavaScript library for interacting with Ankr's Advanced APIs.
# with npm
npm install @ankr.com/ankr.js
# with yarn
yarn add @ankr.com/ankr.jsNote: to use Advanced API for free starting from 29.05.2023 you have to register on the platform.
Get your individual endpoint here https://www.ankr.com/rpc/advanced-api and provide it to the AnkrProvider constructor.
import { AnkrProvider } from '@ankr.com/ankr.js';
const provider = new AnkrProvider('YOUR_ENDPOINT');await provider.getNFTsByOwner({
blockchain: 'eth',
walletAddress: '0x0E11A192d574b342C51be9e306694C41547185DD',
});ankr.js supports the following chains at this time:
-
Ethereum:
"eth" -
BNB Smart Chain:
"bsc" -
Polygon:
"polygon" -
Fantom:
"fantom" -
Arbitrum:
"arbitrum" -
Avalanche:
"avalanche" -
Syscoin NEVM:
"syscoin" -
Optimism:
"optimism" -
Ethereum Goerli:
"eth_goerli" -
Avalanche Fuji:
"avalanche_fuji"
ankr.js supports the following methods:
getNFTsByOwnergetNFTMetadatagetNFTHoldersgetTokenHoldersgetAccountBalancegetTokenHoldersCountgetCurrenciesgetLogsgetBlocksgetTransactionsByHashgetTransactionsByAddressgetTokenPricegetTokenPriceHistory
Get logs matching the filter.
const logs = async () => {
return await provider.getLogs({
blockchain: 'eth',
fromBlock: 1181739,
toBlock: 1181739,
topics: [
[],
['0x000000000000000000000000feb92d30bf01ff9a1901666c5573532bfa07eeec'],
],
address: '0x3589d05a1ec4af9f65b0e5554e645707775ee43c',
decodeLogs: false,
});
};Query data about blocks within a specified range.
const blocks = async () => {
return await provider.getBlocks({
blockchain: 'bsc',
fromBlock: 100,
toBlock: 200,
});
};Query data about transaction(s) by the transaction hash.
const transactions = async () => {
return await provider.getTransactionsByHash({
transactionHash:
'0x82c13aaac6f0b6471afb94a3a64ae89d45baa3608ad397621dbb0d847f51196f',
decodeTxData: true,
});
};Get the coin and token balances of a wallet.
const balances = async () => {
return await provider.getAccountBalance({
blockchain: 'eth',
walletAddress: '0xfa9019df60d3c710d7d583b2d69e18d412257617',
});
};Get data about all the NFTs (collectibles) owned by a wallet.
const nfts = async () => {
return await provider.getNFTsByOwner({
blockchain: 'eth',
walletAddress: '0x0E11A192d574b342C51be9e306694C41547185DD',
filter: [
{ '0x700b4b9f39bb1faf5d0d16a20488f2733550bff4': [] },
{ '0xd8682bfa6918b0174f287b888e765b9a1b4dc9c3': ['8937'] },
],
});
};Get the list of token holders for a given contract address.
const tokenHolders = async () => {
return await provider.getTokenHolders({
blockchain: 'eth',
contractAddress: '0xdac17f958d2ee523a2206206994597c13d831ec7',
});
};Get current and historical data about the number of token holders for a given contract address.
const tokenHoldersCount = async () => {
return await provider.getTokenHoldersCount({
blockchain: 'eth',
contractAddress: '0xdac17f958d2ee523a2206206994597c13d831ec7',
});
};Get a list of supported currencies for a given blockchain.
const currencies = async () => {
return await provider.getCurrencies({ blockchain: 'fantom' });
};Ankr is offering free access to Advanced API, however you have to register on Ankr platform to access it. Get your individual endpoint here https://www.ankr.com/rpc/advanced-api.
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