RustとAnchorでトークンを作成する

anchor init anchor-spl-token
cd anchor-spl-token

1[package]
2name = "anchor-spl-token"
3version = "0.1.0"
4description = "Created with Anchor"
5edition = "2021"
6
7[lib]
8crate-type = ["cdylib", "lib"]
9name = "anchor_spl_token"
10
11[lints.rust]
12unexpected_cfgs = { level = "warn", check-cfg = [
13    'cfg(feature, values("custom-heap", "custom-panic", "anchor-debug"))'
14] }
15
16[features]
17default = []
18cpi = ["no-entrypoint"]
19no-entrypoint = []
20no-idl = []
21no-log-ix-name = []
22idl-build = ["anchor-lang/idl-build", "anchor-spl/idl-build"]
23
24[dependencies]
25anchor-lang = "0.32.1"
26anchor-spl = { version = "0.32.1", features = ["token", "metadata", "associated_token"] }

1[toolchain]
2package_manager = "yarn"
3
4[features]
5resolution = true
6skip-lint = false
7
8[programs.localnet]
9anchor_spl_token = "YOUR_PROGRAM_ID_HERE"
10
11[registry]
12url = "https://api.apr.dev"
13
14[provider]
15cluster = "localnet"
16wallet = "~/.config/solana/id.json"
17
18[scripts]
19test = "yarn run ts-mocha -p ./tsconfig.json -t 1000000 tests/**/*.ts"
20
21[test.validator]
22url = "https://api.mainnet-beta.solana.com"
23bind_address = "127.0.0.1"
24
25[[test.validator.clone]]
26address = "metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s"

1{
2  "license": "ISC",
3  "scripts": {
4    "lint:fix": "prettier */*.js \"*/**/*{.js,.ts}\" -w",
5    "lint": "prettier */*.js \"*/**/*{.js,.ts}\" --check"
6  },
7  "dependencies": {
8    "@coral-xyz/anchor": "^0.32.1",
9    "@metaplex-foundation/mpl-token-metadata": "^3.4.0",
10    "@solana/spl-token": "^0.4.9"
11  },
12  "devDependencies": {
13    "chai": "^4.3.4",
14    "mocha": "^9.0.3",
15    "ts-mocha": "^10.0.0",
16    "@types/bn.js": "^5.1.0",
17    "@types/chai": "^4.3.0",
18    "@types/mocha": "^9.0.0",
19    "typescript": "^5.7.3",
20    "prettier": "^2.6.2"
21  }
22}

1use anchor_lang::prelude::*;
2use anchor_spl::{
3    associated_token::AssociatedToken,
4    metadata::{
5        create_metadata_accounts_v3, mpl_token_metadata::types::DataV2, CreateMetadataAccountsV3,
6        Metadata,
7    },
8    token::{mint_to, Mint, MintTo, Token, TokenAccount},
9};
10
11declare_id!("YOUR_PROGRAM_ID_HERE");
12
13#[program]
14pub mod anchor_spl_token {
15    use super::*;
16
17    pub fn create_token(
18        ctx: Context<CreateToken>,
19        name: String,
20        symbol: String,
21        uri: String,
22        decimals: u8,
23        amount: u64,
24    ) -> Result<()> {
25        Ok(())
26    }
27}
28
29#[derive(Accounts)]
30#[instruction(name: String, symbol: String, uri: String, decimals: u8)]
31pub struct CreateToken<'info> {
32
33}

1#[derive(Accounts)]
2#[instruction(name: String, symbol: String, uri: String, decimals: u8)]
3pub struct CreateToken<'info> {
4    #[account(mut)]
5    pub payer: Signer<'info>,
6
7    /// The mint account to be created
8    #[account(
9        init,
10        payer = payer,
11        mint::decimals = decimals,
12        mint::authority = payer.key(),
13        mint::freeze_authority = payer.key(),
14    )]
15    pub mint: Account<'info, Mint>,
16
17    /// The associated token account to receive minted tokens
18    #[account(
19        init,
20        payer = payer,
21        associated_token::mint = mint,
22        associated_token::authority = payer,
23    )]
24    pub token_account: Account<'info, TokenAccount>,
25
26    /// The metadata account to be created
27    /// CHECK: Validated by seeds constraint to be the correct PDA
28    #[account(
29        mut,
30        seeds = [
31            b"metadata",
32            token_metadata_program.key().as_ref(),
33            mint.key().as_ref(),
34        ],
35        bump,
36        seeds::program = token_metadata_program.key(),
37    )]
38    pub metadata_account: UncheckedAccount<'info>,
39
40    pub token_program: Program<'info, Token>,
41    pub token_metadata_program: Program<'info, Metadata>,
42    pub associated_token_program: Program<'info, AssociatedToken>,
43    pub system_program: Program<'info, System>,
44    pub rent: Sysvar<'info, Rent>,
45}

1pub fn create_token(
2    ctx: Context<CreateToken>,
3    name: String,
4    symbol: String,
5    uri: String,
6    decimals: u8,
7    amount: u64,
8) -> Result<()> {
9    msg!("Creating token mint...");
10    msg!("Mint: {}", ctx.accounts.mint.key());
11    msg!("Creating metadata account...");
12    msg!("Metadata account address: {}", ctx.accounts.metadata_account.key());
13
14    // Cross Program Invocation (CPI) to token metadata program
15    create_metadata_accounts_v3(
16        CpiContext::new(
17            ctx.accounts.token_metadata_program.to_account_info(),
18            CreateMetadataAccountsV3 {
19                metadata: ctx.accounts.metadata_account.to_account_info(),
20                mint: ctx.accounts.mint.to_account_info(),
21                mint_authority: ctx.accounts.payer.to_account_info(),
22                update_authority: ctx.accounts.payer.to_account_info(),
23                payer: ctx.accounts.payer.to_account_info(),
24                system_program: ctx.accounts.system_program.to_account_info(),
25                rent: ctx.accounts.rent.to_account_info(),
26            },
27        ),
28        DataV2 {
29            name,
30            symbol,
31            uri,
32            seller_fee_basis_points: 0,
33            creators: None,
34            collection: None,
35            uses: None,
36        },
37        true,  // is_mutable
38        true,  // update_authority_is_signer
39        None,  // collection_details
40    )?;
41
42    // Mint tokens to the payer's associated token account
43    msg!("Minting {} tokens to {}", amount, ctx.accounts.token_account.key());
44
45    mint_to(
46        CpiContext::new(
47            ctx.accounts.token_program.to_account_info(),
48            MintTo {
49                mint: ctx.accounts.mint.to_account_info(),
50                to: ctx.accounts.token_account.to_account_info(),
51                authority: ctx.accounts.payer.to_account_info(),
52            },
53        ),
54        amount,
55    )?;
56
57    msg!("Token created and {} tokens minted successfully.", amount);
58    Ok(())
59}

anchor build

solana address -k target/deploy/anchor_spl_token-keypair.json

anchor build
anchor deploy

1import * as anchor from "@coral-xyz/anchor";
2import { Program } from "@coral-xyz/anchor";
3import { AnchorSplToken } from "../target/types/anchor_spl_token";
4import { Keypair, PublicKey, SystemProgram, SYSVAR_RENT_PUBKEY } from "@solana/web3.js";
5import { TOKEN_PROGRAM_ID, ASSOCIATED_PROGRAM_ID } from "@coral-xyz/anchor/dist/cjs/utils/token";
6import { getAssociatedTokenAddressSync } from "@solana/spl-token";
7import { BN } from "bn.js";
8
9const TOKEN_METADATA_PROGRAM_ID = new PublicKey(
10  "metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s"
11);
12
13describe("anchor-spl-token", () => {
14  const provider = anchor.AnchorProvider.env();
15  anchor.setProvider(provider);
16
17  const program = anchor.workspace.AnchorSplToken as Program<AnchorSplToken>;
18  const payer = provider.wallet;
19
20  it("Creates a token with metadata and mints initial supply", async () => {
21    const mintKeypair = Keypair.generate();
22
23    const tokenName = "My Token";
24    const tokenSymbol = "MYTKN";
25    const tokenUri = "https://example.com/token-metadata.json";
26    const tokenDecimals = 9;
27    const mintAmount = new BN(1_000_000).mul(new BN(10).pow(new BN(tokenDecimals)));
28
29    // Derive the metadata account PDA
30    const [metadataAccount] = PublicKey.findProgramAddressSync(
31      [
32        Buffer.from("metadata"),
33        TOKEN_METADATA_PROGRAM_ID.toBuffer(),
34        mintKeypair.publicKey.toBuffer(),
35      ],
36      TOKEN_METADATA_PROGRAM_ID
37    );
38
39    // Derive the associated token account
40    const tokenAccount = getAssociatedTokenAddressSync(
41      mintKeypair.publicKey,
42      payer.publicKey
43    );
44
45    console.log("Mint address:", mintKeypair.publicKey.toBase58());
46    console.log("Metadata address:", metadataAccount.toBase58());
47    console.log("Token account:", tokenAccount.toBase58());
48
49    const tx = await program.methods
50      .createToken(tokenName, tokenSymbol, tokenUri, tokenDecimals, mintAmount)
51      .accountsPartial({
52        payer: payer.publicKey,
53        mint: mintKeypair.publicKey,
54        tokenAccount: tokenAccount,
55        metadataAccount: metadataAccount,
56        tokenProgram: TOKEN_PROGRAM_ID,
57        tokenMetadataProgram: TOKEN_METADATA_PROGRAM_ID,
58        associatedTokenProgram: ASSOCIATED_PROGRAM_ID,
59        systemProgram: SystemProgram.programId,
60        rent: SYSVAR_RENT_PUBKEY,
61      })
62      .signers([mintKeypair])
63      .rpc();
64
65    console.log("Transaction signature:", tx);
66    console.log("Token created and minted successfully!");
67  });
68});

yarn install
anchor test

  anchor-spl-token
Mint address: GpPyH2FuMcS5PcrKWtrmEkBmW8h8gSwUaxNCQkFXwifV
Metadata address: 6jskfrDAmH9d67iL37CLNBK7Hf6FRwNZbq34q4vGucDq
Token account: J3KCxCfmnK9RJ3onmiUsfBDjvKyuVsAXgWvuypsaFQ2i
Transaction signature: 36v63t5cCsXYM8ny4pgahh...
Token created and minted successfully!
    ✔ Creates a token with metadata and mints initial supply (243ms)

  1 passing (245ms)

{
  "name": "My Token",
  "symbol": "MYTKN",
  "description": "A description of my token",
  "image": "https://example.com/token-image.png"
}

idl-build = ["anchor-lang/idl-build", "anchor-spl/idl-build"]

[[test.validator.clone]]
address = "metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s"

anchor-lang = "0.32.1"
anchor-spl = { version = "0.32.1", features = ["token", "metadata", "associated_token"] }