67 lines
1.6 KiB
TypeScript
67 lines
1.6 KiB
TypeScript
import { TokenAccountLayout } from '@blockworks-foundation/mango-client'
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import { PublicKey, Connection } from '@solana/web3.js'
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export const TOKEN_PROGRAM_ID = new PublicKey(
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'TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA'
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)
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export type ProgramAccount<T> = {
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publicKey: PublicKey
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account: T
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}
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export function parseTokenAccountData(data: Buffer): {
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mint: PublicKey
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owner: PublicKey
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amount: number
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} {
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const { mint, owner, amount } = TokenAccountLayout.decode(data)
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return {
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mint: new PublicKey(mint),
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owner: new PublicKey(owner),
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amount,
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}
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}
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export const coingeckoIds = [
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{ id: 'bitcoin', symbol: 'BTC' },
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{ id: 'ethereum', symbol: 'ETH' },
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{ id: 'solana', symbol: 'SOL' },
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{ id: 'mango-markets', symbol: 'MNGO' },
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{ id: 'binancecoin', symbol: 'BNB' },
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{ id: 'serum', symbol: 'SRM' },
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{ id: 'raydium', symbol: 'RAY' },
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{ id: 'ftx-token', symbol: 'FTT' },
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{ id: 'avalanche-2', symbol: 'AVAX' },
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{ id: 'terra-luna', symbol: 'LUNA' },
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{ id: 'cope', symbol: 'COPE' },
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{ id: 'cardano', symbol: 'ADA' },
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{ id: 'msol', symbol: 'MSOL' },
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{ id: 'tether', symbol: 'USDT' },
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]
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export async function getTokenAccountsByMint(
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connection: Connection,
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mint: string
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): Promise<ProgramAccount<any>[]> {
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const results = await connection.getProgramAccounts(TOKEN_PROGRAM_ID, {
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filters: [
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{
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dataSize: 165,
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},
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{
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memcmp: {
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offset: 0,
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bytes: mint,
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},
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},
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],
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})
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return results.map((r) => {
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const publicKey = r.pubkey
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const data = Buffer.from(r.account.data)
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const account = parseTokenAccountData(data)
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return { publicKey, account }
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})
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}
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