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cache addressLookupTableAccount #3

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2c26066
cache addressLookupTableAccount
0xmountaintop Dec 4, 2024
7ae8957
improve
0xmountaintop Dec 5, 2024
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10 changes: 10 additions & 0 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ import "dotenv/config";
import { getKeypairFromEnvironment } from "@solana-developers/helpers";
import axios from "axios";
import {
AddressLookupTableAccount,
Connection,
PublicKey,
VersionedTransaction,
Expand Down Expand Up @@ -39,6 +40,8 @@ function instructionFormat(instruction) {
};
}

let addressLookupTables: { [key: string]: AddressLookupTableAccount[] } = {};

async function run() {

const start = Date.now();
Expand Down Expand Up @@ -127,7 +130,14 @@ async function run() {
// ALT
const addressLookupTableAccounts = await Promise.all(
instructions.addressLookupTableAddresses.map(async (address) => {
if (addressLookupTables[address]) {
return addressLookupTables[address];
}

const result = await connection.getAddressLookupTable(new PublicKey(address));
if (result.value) {
addressLookupTables[address] = result.value;
}
return result.value;
})
);
Expand Down