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- import "../libraries/spl_token.sol";
- import "../libraries/mpl_metadata.sol";
- @program_id("8eZPhSaXfHqbcrfskVThtCG68kq8MfVHqmtm6wYf4TLb")
- contract create_token {
- // Creating a dataAccount is required by Solang
- // The account is unused in this example
- @payer(payer) // payer account
- constructor() {}
- @mutableSigner(payer) // payer account
- @mutableSigner(mint) // mint account to be created
- @mutableAccount(metadata) // metadata account to be created
- @signer(mintAuthority) // mint authority for the mint account
- @account(rentAddress)
- @account(metadataProgramId)
- function createTokenMint(
- address freezeAuthority, // freeze authority for the mint account
- uint8 decimals, // decimals for the mint account
- string name, // name for the metadata account
- string symbol, // symbol for the metadata account
- string uri // uri for the metadata account
- ) external {
- // Invoke System Program to create a new account for the mint account and,
- // Invoke Token Program to initialize the mint account
- // Set mint authority, freeze authority, and decimals for the mint account
- SplToken.create_mint(
- tx.accounts.payer.key, // payer account
- tx.accounts.mint.key, // mint account
- tx.accounts.mintAuthority.key, // mint authority
- freezeAuthority, // freeze authority
- decimals // decimals
- );
- // Invoke Metadata Program to create a new account for the metadata account
- MplMetadata.create_metadata_account(
- tx.accounts.metadata.key, // metadata account
- tx.accounts.mint.key, // mint account
- tx.accounts.mintAuthority.key, // mint authority
- tx.accounts.payer.key, // payer
- tx.accounts.payer.key, // update authority (of the metadata account)
- name, // name
- symbol, // symbol
- uri, // uri (off-chain metadata json)
- tx.accounts.metadataProgramId.key,
- tx.accounts.rentAddress.key
- );
- }
- }
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