close_mint

Closes a zero-supply GLAM mint after unlinking it from state and clearing its request queue.

Handler narrative

Load the GLAM state or program account required by the instruction and verify the signer.
Apply mint lifecycle, token-account, ACL, or policy changes after verifying the required authority.

The submitted accounts must match the declared account list, signer requirements, writable requirements, fixed program addresses, and account relationships shown below.
The GLAM state account is the source of truth for owner, enabled integrations, delegate permissions, policies, assets, borrowable assets, timelock settings, mint linkage, and pricing records.
Mint actions must satisfy the linked GLAM state, Token-2022 mint configuration, mint policy, and any request queue or escrow state involved in the flow.
The GLAM state owner must sign through the mint close authority path.
The Token-2022 mint supply must be zero before the mint account can be closed.
For tokenized vaults, the request queue account must be present and its request count must be zero.
The transfer-hook extra-account-metas account must be writable because the mint close flow closes it through the GLAM Policies program.
The mint must be unlinked from the GLAM state before the Token-2022 mint account and request queue are closed.

Account	Role	Description
glam_state	writable	State account owned by the GLAM Protocol program; it records vault configuration, policies, and pricing records.
glam_signer	signer, writable	Calling authority. It must be the owner or a delegate with the explicit permission required by this instruction.
glam_mint	writable	Token-2022 mint associated with the GLAM mint or tokenized vault.
request_queue	writable, optional	Program-derived queue associated with the mint for queued subscriptions and redemptions.
extra_metas_account	writable	Token-2022 transfer-hook extra-account-metas account associated with the mint.
system_program	read-only	Standard Solana program account required by the instruction.
policies_program	read-only	GLAM Policies program account used for Token-2022 transfer-hook behavior.
token_2022_program	read-only	Standard Solana program account required by the instruction.
glam_protocol	read-only	GLAM Protocol program account used for authorization or CPI.

No arguments.

No external integration enablement is required beyond the program-level functionality involved in this instruction.
Only the owner is expected. Delegates do not receive this capability by being added; it must be granted explicitly if supported.

await glamClient.mint.close();

No additional cross-instruction constraint is documented beyond account initialization, authority checks, and policy validation.