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Identity

Asset Tokenization Studio Team

Identity

Abstract implementation of IIdentity, exposing identity-registry and onchainID accessors and their authorised setters.

Stateless wrapper that delegates the actual reads/writes to {ERC3643StorageWrapper}. Setters are gated by onlyUnpaused and onlyRole(ROLE_TREX_OWNER). Intended to be inherited by IdentityFacet.

Methods​

identityRegistry​

function identityRegistry() external view returns (contract IIdentityRegistry)

Returns the address of the identity registry contract.

Returns​

NameTypeDescription
_0contract IIdentityRegistryThe current identity registry as IIdentityRegistry.

initializeIdentity​

function initializeIdentity(address _identityRegistry) external nonpayable

Initialises the identity capability on the token and wires the identity registry.

Wires the identity-registry address, marks the identity facet as ready, and emits IdentityInitialized. One-shot is enforced by onlyFacetNotRegistered.

Parameters​

NameTypeDescription
_identityRegistryaddressAddress of the identity registry that vets token holders.

onchainID​

function onchainID() external view returns (address)

Returns the onchainID address associated with the token.

Returns​

NameTypeDescription
_0addressThe current onchainID address.

setIdentityRegistry​

function setIdentityRegistry(address _identityRegistry) external nonpayable

Sets the identity registry contract address.

Emits IdentityRegistryAdded so off-chain indexers can track which registry vetted holders at any historical block.

Parameters​

NameTypeDescription
_identityRegistryaddressThe new identity registry contract address.

setOnchainID​

function setOnchainID(address _onchainID) external nonpayable

Sets the onchainID of the token to _onchainID.

Restricted to ROLE_TREX_OWNER and only callable when the token is not paused. Emits an UpdatedTokenInformation event from the underlying storage wrapper.

Parameters​

NameTypeDescription
_onchainIDaddressThe new onchainID address to associate with the token.

Events​

IdentityInitialized​

event IdentityInitialized(address identityRegistry)

Emitted once when the identity capability is initialised on a token.

Fires exclusively from initializeIdentity.

Parameters​

NameTypeDescription
identityRegistryaddressThe identity-registry address wired at initialisation.

IdentityRegistryAdded​

event IdentityRegistryAdded(address indexed identityRegistry)

Emitted when the identity registry contract address is updated.

Parameters​

NameTypeDescription
identityRegistry indexedaddressAddress of the newly wired identity registry.

UpdatedTokenInformation​

event UpdatedTokenInformation(string indexed newName, string indexed newSymbol, uint8 newDecimals, string newVersion, address indexed newOnchainID)

Emitted when core token metadata is updated.

Parameters​

NameTypeDescription
newName indexedstringNew token name.
newSymbol indexedstringNew token symbol.
newDecimalsuint8New decimal precision.
newVersionstringNew token version string.
newOnchainID indexedaddressNew onchainID address associated with the token.

Errors​

AccountHasNoRole​

error AccountHasNoRole(address account, bytes32 role)

Thrown when an account does not hold a required role.

Parameters​

NameTypeDescription
accountaddressThe account that lacks the role.
rolebytes32The role that is not held.

AssetNotOperational​

error AssetNotOperational(bytes32 configId, uint256 versionId)

Raised by InitializerStorageWrapper.checkOperational (and the related isConfigVersionOperational helper) when an operation is attempted on a configuration version that has not yet been marked operational.

Parameters​

NameTypeDescription
configIdbytes32Resolver-proxy configuration whose operational status was checked.
versionIduint256Configuration version whose operational status was checked.

Deactivated​

error Deactivated()

Thrown when an operation guarded by onlyActivated is attempted on a token whose deactivation flag has already been set.

FacetAlreadyRegistered​

error FacetAlreadyRegistered(bytes32 facetId, uint256 lastVersion)

Raised when an initialiser tries to register a facet that already has a non-zero last registered version (i.e. the facet is being re-initialised on a fresh install).

Parameters​

NameTypeDescription
facetIdbytes32Identifier of the offending facet.
lastVersionuint256Last version recorded for that facet at the time of the check.

IsPaused​

error IsPaused()

Thrown when an operation that requires the token to be unpaused is attempted while the token is paused (own flag or any external pause contract).

UnrecognizedResolverProxyVersion​

error UnrecognizedResolverProxyVersion(bytes8 _resolverProxyVersion)

Thrown when the provided proxy version does not match any BLR compatible standard.

Parameters​

NameTypeDescription
_resolverProxyVersionbytes8proxy version that is not compatible with the BLR.

WalletRecovered​

error WalletRecovered()

Thrown when attempting to recover a wallet that has already been recovered.