solana-program-examples/compression/cutils/tests/setup.ts

import {loadOrGenerateKeypair, savePublicKeyToFile} from "./utils/helpers";
import {Connection, Keypair} from "@solana/web3.js";
import {ValidDepthSizePair} from "@solana/spl-account-compression";
import {createCollection, createTree} from "./utils/compression";
import {CreateMetadataAccountArgsV3} from "@metaplex-foundation/mpl-token-metadata";

async function setup() {
    const rpc = "https://api.devnet.solana.com"
    const connection = new Connection(rpc, "confirmed")

    // Collection auth and treeCreator
    const payer = loadOrGenerateKeypair("payer");

    // Airdrop
    await connection.requestAirdrop(payer.publicKey, 1 * 10**9);
    console.log("Payer address:", payer.publicKey.toBase58());

    const treeKeypair = Keypair.generate();
    const maxDepthSizePair: ValidDepthSizePair = {
        maxDepth: 14,
        maxBufferSize: 64,
    };
    const canopyDepth = maxDepthSizePair.maxDepth - 5;
    const tree = await createTree(connection, payer, treeKeypair, maxDepthSizePair, canopyDepth);

    // locally save the addresses for demo
    savePublicKeyToFile("treeAddress", tree.treeAddress);

    const collectionMetadataV3: CreateMetadataAccountArgsV3 = {
        data: {
            name: "Super Sweet NFT Collection",
            symbol: "SSNC",
            // specific json metadata for the collection
            uri: "https://supersweetcollection.notarealurl/collection.json",
            sellerFeeBasisPoints: 100,
            creators: [
                {
                    address: payer.publicKey,
                    verified: false,
                    share: 100,
                },
            ],
            collection: null,
            uses: null,
        },
        isMutable: false,
        collectionDetails: null,
    };

    // create a full token mint and initialize the collection (with the `payer` as the authority)
    const collection = await createCollection(connection, payer, collectionMetadataV3);

    // locally save the addresses for the demo
    savePublicKeyToFile("collectionMint", collection.mint);
}

// setup()