pub struct AuthSingleSigAcl { /* private fields */ }Expand description
An AccountComponent implementing a procedure-based Access Control List (ACL) using either
the EcdsaK256Keccak or Falcon512 Poseidon2 signature scheme for authentication of transactions.
This component uses exempt-list ACL semantics: every called account procedure requires
authentication by default, and only procedures explicitly listed in
AuthSingleSigAclConfig are permitted to execute without a signature.
This makes the safe path the default - newly added setters cannot silently become
permissionless by being forgotten in the configuration.
§Authentication Logic
Authentication is required when a kernel-detected procedure not on the exempt list was called (other than the auth procedure at index 0). Otherwise the nonce is conditionally incremented (when the account state changed or the account is new) without verifying a signature.
Asset movement out of the account is gated by this single check transitively: removing
assets from the vault requires account_remove_asset, which is kernel-tracked, so any
procedure that exfiltrates funds shows up in the loop and forces a signature unless the
author has explicitly exempted it.
§Storage Layout
Self::public_key_slot: Public keySelf::scheme_id_slot: Signature scheme idSelf::exempt_procedure_roots_slot: A mapPROC_ROOT => [1, 0, 0, 0]whose presence marks the procedure as exempt from signature verification.
§Important Note on Procedure Detection
was_procedure_called only returns true for procedures that invoke an account-restricted
kernel API (vault, storage, etc.). A procedure that touches only unrestricted APIs is not
flagged even when it runs, so exempting such a procedure is a no-op. This does not weaken
the funds-out guarantee above, since asset movement always routes through tracked vault
operations.
Implementations§
Source§impl AuthSingleSigAcl
impl AuthSingleSigAcl
Sourcepub const NAME: &'static str = "miden::standards::components::auth::singlesig_acl"
pub const NAME: &'static str = "miden::standards::components::auth::singlesig_acl"
The name of the component.
Sourcepub const fn name() -> AccountComponentName
pub const fn name() -> AccountComponentName
Returns the canonical AccountComponentName of this component.
Sourcepub fn code() -> &'static AccountComponentCode
pub fn code() -> &'static AccountComponentCode
Returns the AccountComponentCode of this component.
Sourcepub fn new(
approver: Approver,
config: AuthSingleSigAclConfig,
) -> AuthSingleSigAcl
pub fn new( approver: Approver, config: AuthSingleSigAclConfig, ) -> AuthSingleSigAcl
Creates a new AuthSingleSigAcl component with the given approver and
configuration.
Sourcepub fn public_key_slot() -> &'static StorageSlotName
pub fn public_key_slot() -> &'static StorageSlotName
Returns the StorageSlotName where the public key is stored.
Sourcepub fn scheme_id_slot() -> &'static StorageSlotName
pub fn scheme_id_slot() -> &'static StorageSlotName
Returns the StorageSlotName where the scheme ID is stored.
Sourcepub fn exempt_procedure_roots_slot() -> &'static StorageSlotName
pub fn exempt_procedure_roots_slot() -> &'static StorageSlotName
Returns the StorageSlotName where the exempt procedure roots are stored.
Sourcepub fn public_key_slot_schema() -> (StorageSlotName, StorageSlotSchema)
pub fn public_key_slot_schema() -> (StorageSlotName, StorageSlotSchema)
Returns the storage slot schema for the public key slot.
Sourcepub fn auth_scheme_slot_schema() -> (StorageSlotName, StorageSlotSchema)
pub fn auth_scheme_slot_schema() -> (StorageSlotName, StorageSlotSchema)
Returns the storage slot schema for the scheme ID slot.
Sourcepub fn exempt_procedure_roots_slot_schema() -> (StorageSlotName, StorageSlotSchema)
pub fn exempt_procedure_roots_slot_schema() -> (StorageSlotName, StorageSlotSchema)
Returns the storage slot schema for the exempt procedure roots slot.
It is SchemaType::bool() type used for the values in the resulting exempt procedures map
since it is just a presence marker.
Sourcepub fn component_metadata() -> AccountComponentMetadata
pub fn component_metadata() -> AccountComponentMetadata
Returns the AccountComponentMetadata for this component.
Trait Implementations§
Source§impl From<AuthSingleSigAcl> for AccountComponent
impl From<AuthSingleSigAcl> for AccountComponent
Source§fn from(singlesig_acl: AuthSingleSigAcl) -> AccountComponent
fn from(singlesig_acl: AuthSingleSigAcl) -> AccountComponent
Auto Trait Implementations§
impl Freeze for AuthSingleSigAcl
impl RefUnwindSafe for AuthSingleSigAcl
impl Send for AuthSingleSigAcl
impl Sync for AuthSingleSigAcl
impl Unpin for AuthSingleSigAcl
impl UnsafeUnpin for AuthSingleSigAcl
impl UnwindSafe for AuthSingleSigAcl
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