79 lines
2.1 KiB
TypeScript
79 lines
2.1 KiB
TypeScript
import { Connection, PublicKey } from "@solana/web3.js";
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import { useEffect, useState } from "react";
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import { SOLANA_HOST } from "../utils/consts";
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export interface Balance {
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tokenAccount: PublicKey | undefined;
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amount: string;
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decimals: number;
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uiAmount: number;
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uiAmountString: string;
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}
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function createBalance(
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tokenAccount: PublicKey | undefined,
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amount: string,
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decimals: number,
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uiAmount: number,
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uiAmountString: string
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) {
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return {
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tokenAccount,
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amount,
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decimals,
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uiAmount,
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uiAmountString,
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};
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}
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function useSolanaBalance(
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tokenAddress: string | undefined,
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ownerAddress: PublicKey | null | undefined,
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shouldCalculate?: boolean
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) {
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//TODO: should connection happen in a context?
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const [balance, setBalance] = useState<Balance>(
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createBalance(undefined, "", 0, 0, "")
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);
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useEffect(() => {
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if (!tokenAddress || !ownerAddress || !shouldCalculate) {
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setBalance(createBalance(undefined, "", 0, 0, ""));
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return;
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}
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let cancelled = false;
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const connection = new Connection(SOLANA_HOST, "finalized");
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connection
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.getParsedTokenAccountsByOwner(ownerAddress, {
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mint: new PublicKey(tokenAddress),
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})
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.then(({ value }) => {
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if (!cancelled) {
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if (value.length) {
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setBalance(
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createBalance(
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value[0].pubkey,
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value[0].account.data.parsed?.info?.tokenAmount?.amount,
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value[0].account.data.parsed?.info?.tokenAmount?.decimals,
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value[0].account.data.parsed?.info?.tokenAmount?.uiAmount,
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value[0].account.data.parsed?.info?.tokenAmount?.uiAmountString
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)
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);
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} else {
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setBalance(createBalance(undefined, "0", 0, 0, "0"));
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}
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}
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})
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.catch(() => {
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if (!cancelled) {
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setBalance(createBalance(undefined, "", 0, 0, ""));
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}
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});
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return () => {
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cancelled = true;
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};
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}, [tokenAddress, ownerAddress, shouldCalculate]);
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return balance;
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}
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export default useSolanaBalance;
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