Instruction: CreateTokenMetadata

This instruction is used to initialize the token metadata account for the pool mint.

Input accounts

• pool_info: Stake pool account.

  • W/S requisites: None.

  • Owner: Single pool program (newly created).

  • Rent: N/A.

  • Initialized: Yes.

  • Discriminant: Checked (account_type field).

  • PDA: Yes, controlled by the single pool program — using seeds "pool", vote_account_address.

• pool_mint_info: Pool mint account.

  • W/S requisites: None.

  • Owner: Token program (newly created).

  • Rent: Not a responsibility of the program under review — must be rent free due to checks done by spl-token.

  • Initialized: Yes.

  • Discriminant: Not a responsibility of the program under review.

  • PDA: Yes, controlled by the single pool program — using seeds "mint", pool_address.

• pool_mint_authority_info: Authority controlling the pool mint.

  • W/S requisites: None.

  • Owner: N/A.

  • Rent: N/A.

  • Initialized: N/A.

  • Discriminant: N/A.

  • PDA: Yes, controlled by the single pool program — using seeds "mint authority", pool_address.

• pool_mpl_authority_info: The update authority controlling the metadata account.

  • W/S requisites: None.

  • Owner: N/A.

  • Rent: N/A.

  • Initialized: N/A.

  • Discriminant: N/A.

  • PDA: Yes, controlled by the single pool program — using seeds "mpl_authority", pool_address.

• payer_info: The account set to pay for creating the new metadata account.

  • W/S requisites: Signed and writable.

  • Owner: N/A.

  • Rent: N/A.

  • Initialized: N/A.

  • Discriminant: N/A.

  • PDA: No.

• metadata_info: The MPL metadata account address.

  • W/S requisites: Writable.

  • Owner: MPL Metadata program.

  • Rent: N/A.

  • Initialized: No.

  • Discriminant: N/A.

  • PDA: Yes — using seeds

    • "metadata"

    • metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s

    • mint

    • metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s

• mpl_token_metadata_program_info: MPL Token Program account.

  • W/S requisites: None.

  • Owner: N/A (sysvar).

  • Rent: N/A (sysvar).

  • Initialized: N/A (sysvar).

  • Discriminant: N/A (sysvar).

  • PDA: No, but the address must match the MPL token metadata program.

• system_program_info: System program account.

  • W/S requisites: None.

  • Owner: N/A (sysvar).

  • Rent: N/A (sysvar).

  • Initialized: N/A (sysvar).

  • Discriminant: N/A (sysvar).

  • PDA: No — the address is checked to ensure it matches the actual system program.