import { PROGRAM_ID as TOKEN_METADATA_PROGRAM_ID } from "@metaplex-foundation/mpl-token-metadata"; import * as anchor from "@coral-xyz/anchor"; import { NftMinter } from "../target/types/nft_minter"; import { Keypair, PublicKey, SYSVAR_RENT_PUBKEY, SystemProgram, } from "@solana/web3.js"; import { getAssociatedTokenAddressSync, ASSOCIATED_TOKEN_PROGRAM_ID, TOKEN_PROGRAM_ID, } from "@solana/spl-token"; describe("NFT Minter", () => { const provider = anchor.AnchorProvider.env(); anchor.setProvider(provider); const payer = provider.wallet as anchor.Wallet; const program = anchor.workspace.NftMinter as anchor.Program; // The metadata for our NFT const metadata = { name: "Homer NFT", symbol: "HOMR", uri: "https://raw.githubusercontent.com/solana-developers/program-examples/new-examples/tokens/tokens/.assets/nft.json", }; it("Create an NFT!", async () => { // Generate a keypair to use as the address of our mint account const mintKeypair = new Keypair(); // Derive the PDA of the metadata account for the mint. const [metadataAddress] = PublicKey.findProgramAddressSync( [ Buffer.from("metadata"), TOKEN_METADATA_PROGRAM_ID.toBuffer(), mintKeypair.publicKey.toBuffer(), ], TOKEN_METADATA_PROGRAM_ID ); // Derive the PDA of the master edition account for the mint. const [editionAddress] = PublicKey.findProgramAddressSync( [ Buffer.from("metadata"), TOKEN_METADATA_PROGRAM_ID.toBuffer(), mintKeypair.publicKey.toBuffer(), Buffer.from("edition"), ], TOKEN_METADATA_PROGRAM_ID ); // Derive the associated token address account for the mint and payer. const associatedTokenAccountAddress = getAssociatedTokenAddressSync( mintKeypair.publicKey, payer.publicKey ); const transactionSignature = await program.methods .mintNft(metadata.name, metadata.symbol, metadata.uri) .accounts({ payer: payer.publicKey, metadataAccount: metadataAddress, editionAccount: editionAddress, mintAccount: mintKeypair.publicKey, associatedTokenAccount: associatedTokenAccountAddress, tokenProgram: TOKEN_PROGRAM_ID, associatedTokenProgram: ASSOCIATED_TOKEN_PROGRAM_ID, tokenMetadataProgram: TOKEN_METADATA_PROGRAM_ID, systemProgram: SystemProgram.programId, rent: SYSVAR_RENT_PUBKEY, }) .signers([mintKeypair]) .rpc({ skipPreflight: true }); console.log("Success!"); console.log(` Mint Address: ${mintKeypair.publicKey}`); console.log(` Transaction Signature: ${transactionSignature}`); }); });