# AnchorLink ``` class AnchorLinkSharp::AnchorLink : public AbiSerializationProvider ``` Main class ## Summary | Members | Descriptions | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------- | | `public readonly` [`ILinkTransport`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) [`Transport`](#class_anchor_link_sharp_1_1_anchor_link_1aee5fc13a77160e6a524c6ad153299309) | Transport used to deliver requests to the user wallet. | | `public readonly string` [`ChainId`](#class_anchor_link_sharp_1_1_anchor_link_1a13b0e3b911976c623a64c2bd5da0f0d8) | EOSIO ChainID for which requests are valid. | | `public readonly` [`ILinkStorage`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) [`Storage`](#class_anchor_link_sharp_1_1_anchor_link_1a54bdbcc79b07c68aa3dc1879abd64d43) | PlayerPrefsStorage adapter used to persist sessions. | | `public` [`AnchorLink`](#class_anchor_link_sharp_1_1_anchor_link_1aeaef1002a44d51caeea5ac9cbf3fcfc7)`(` [`ILinkOptions`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) `options)` | Create a new anchorLink instance. | | `public async Task< Abi >` [`GetAbi`](#class_anchor_link_sharp_1_1_anchor_link_1a9d9f8443e4fa6c3d5d5790567f0395f3)`(string account)` | Fetch the ABI for given account, cached. | | `public string` [`CreateCallbackUrl`](#class_anchor_link_sharp_1_1_anchor_link_1af3228312c13fbf438d8f2315ec47ec1d)`()` | Create a new unique buoy callback url. | | `public async Task< SigningRequest >` [`CreateRequest`](#class_anchor_link_sharp_1_1_anchor_link_1a7a825e1a392930afbde7725eec7297ff)`(SigningRequestCreateArguments args,` [`ILinkTransport`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) `transport)` | Create a SigningRequest instance configured for this anchorLink. | | `public async Task<` [`TransactResult`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-transactresult)`>` [`SendRequest`](#class_anchor_link_sharp_1_1_anchor_link_1a694674e4b7edcdf8c453232fa71cab9f)`(SigningRequest request,` [`ILinkTransport`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) `transport, bool broadcast)` | Send a SigningRequest instance using this anchorLink. | | `public async Task<` [`TransactResult`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-transactresult)`>` [`Transact`](#class_anchor_link_sharp_1_1_anchor_link_1a18a7e254c35f5c402f4bccf340fac893)`(` [`TransactArgs`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-transactargs)`args,` [`TransactOptions`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-transactoptions)`options,` [`ILinkTransport`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) `transport)` | Sign and optionally broadcast a EOSIO transaction, action or actions. | | `public async Task<` [`IdentifyResult`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-identifyresult)`>` [`Identify`](#class_anchor_link_sharp_1_1_anchor_link_1abcf7b8bbe7bcdcf28714aaf9f7ccbae6)`(PermissionLevel requestPermission, object info)` | Send an identity request and verify the identity proof. | | `public async Task<` [`LoginResult`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-loginresult)`>` [`Login`](#class_anchor_link_sharp_1_1_anchor_link_1ab7be810b454e3488fe61cb53e6f9240c)`(string identifier)` | Login and create a persistent session. | | `public async Task<` [`LinkSession`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-linksession)`>` [`RestoreSession`](#class_anchor_link_sharp_1_1_anchor_link_1a7cffa50a5f997a82e7b240c759429ae4)`(string identifier, PermissionLevel auth)` | Restore previous session, see \[\[AnchorLink.login]] to create a new session. | | `public async Task< List< PermissionLevel > >` [`ListSessions`](#class_anchor_link_sharp_1_1_anchor_link_1a26af270e04728d003f4413fe1fd09a6b)`(string identifier)` | List stored session auths for given identifier. The most recently used session is at the top (index 0). | | `public async Task` [`RemoveSession`](#class_anchor_link_sharp_1_1_anchor_link_1a0201a0d51fb824a07270e102192891cf)`(string identifier, PermissionLevel auth)` | Remove stored session for given identifier and auth. | | `public async void` [`ClearSessions`](#class_anchor_link_sharp_1_1_anchor_link_1a13e8a7c2fc690bff953766788d1c8507)`(string identifier)` | Remove all stored sessions for given identifier. | | `public LinkSignatureProvider` [`MakeSignatureProvider`](#class_anchor_link_sharp_1_1_anchor_link_1a972262a195b3b8df071d75404acf03d8)`(string[] availableKeys,` [`ILinkTransport`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) `transport)` | Create an eosjs compatible signature provider using this anchorLink. | | `public async Task<` [`CallbackPayload`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/eosiosigningrequest/eosiosigningrequest-callbackpayload)`>` [`WaitForCallback`](#class_anchor_link_sharp_1_1_anchor_link_1adc00a445712a67d7ae7f6e94aa0facdb)`(string url)` | Connect to a WebSocket channel and wait for a message. | | `public async Task` [`PollForCallback`](#class_anchor_link_sharp_1_1_anchor_link_1aab81c9f8580485999fb50b0b92b57297)`(string url)` | | | `private readonly string` [`_serviceAddress`](#class_anchor_link_sharp_1_1_anchor_link_1af3111da0cd839afdaa039bb12e192a60) | | | `private readonly SigningRequestEncodingOptions` [`_requestOptions`](#class_anchor_link_sharp_1_1_anchor_link_1aa95d1275f898f38a9089ceb4c929942e) | | | `private readonly Dictionary< string, Abi >` [`_abiCache`](#class_anchor_link_sharp_1_1_anchor_link_1a65fe607572bcc08a0a12c45ce4de6952)`= new Dictionary()` | | | `private readonly Dictionary< string, Task< GetAbiResponse > >` [`_pendingAbis`](#class_anchor_link_sharp_1_1_anchor_link_1a86e828352d049438a442b003467fb2f1)`= new Dictionary>()` | | | `private WebSocketWrapper` [`_socket`](#class_anchor_link_sharp_1_1_anchor_link_1aa91178ae68686e701a8db0ba9aa4e0b2) | | | `private async Task` [`TouchSession`](#class_anchor_link_sharp_1_1_anchor_link_1a97ab13673964a3563c36bbe5a68b4e51)`(string identifier, PermissionLevel auth, bool remove)` | Makes sure session is in storage list of sessions and moves it to top (most recently used). | | `private async Task` [`StoreSession`](#class_anchor_link_sharp_1_1_anchor_link_1a9ab68f28433479ccb198256cc8f98ef2)`(string identifier,` [`LinkSession`](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-linksession) `session)` | Makes sure session is in storage list of sessions and moves it to top (most recently used). | | `private string` [`SessionKey`](#class_anchor_link_sharp_1_1_anchor_link_1a41d11cf2b1f6e0f5c6cc5b5a2c2236ae)`(string identifier, string[] suffixes)` | Session storage key for identifier and suffix. | ## Members **`public readonly`** [**`ILinkTransport`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) [**`Transport`**](#class_anchor_link_sharp_1_1_anchor_link_1aee5fc13a77160e6a524c6ad153299309) Transport used to deliver requests to the user wallet. **`public readonly string`** [**`ChainId`**](#class_anchor_link_sharp_1_1_anchor_link_1a13b0e3b911976c623a64c2bd5da0f0d8) EOSIO ChainID for which requests are valid. **`public readonly`** [**`ILinkStorage`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) [**`Storage`**](#class_anchor_link_sharp_1_1_anchor_link_1a54bdbcc79b07c68aa3dc1879abd64d43) PlayerPrefsStorage adapter used to persist sessions. **`public`** [**`AnchorLink`**](#class_anchor_link_sharp_1_1_anchor_link_1aeaef1002a44d51caeea5ac9cbf3fcfc7)**`(`** [**`ILinkOptions`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) **`options)`** Create a new anchorLink instance. **`public async Task< Abi >`** [**`GetAbi`**](#class_anchor_link_sharp_1_1_anchor_link_1a9d9f8443e4fa6c3d5d5790567f0395f3)**`(string account)`** Fetch the ABI for given account, cached. **`public string`** [**`CreateCallbackUrl`**](#class_anchor_link_sharp_1_1_anchor_link_1af3228312c13fbf438d8f2315ec47ec1d)**`()`** Create a new unique buoy callback url. **`public async Task< SigningRequest >`** [**`CreateRequest`**](#class_anchor_link_sharp_1_1_anchor_link_1a7a825e1a392930afbde7725eec7297ff)**`(SigningRequestCreateArguments args,`** [**`ILinkTransport`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) **`transport)`** Create a SigningRequest instance configured for this anchorLink. **`public async Task<`** [**`TransactResult`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-transactresult)**`>`** [**`SendRequest`**](#class_anchor_link_sharp_1_1_anchor_link_1a694674e4b7edcdf8c453232fa71cab9f)**`(SigningRequest request,`** [**`ILinkTransport`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) **`transport, bool broadcast)`** Send a SigningRequest instance using this anchorLink. **`public async Task<`** [**`TransactResult`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-transactresult)**`>`** [**`Transact`**](#class_anchor_link_sharp_1_1_anchor_link_1a18a7e254c35f5c402f4bccf340fac893)**`(`** [**`TransactArgs`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-transactargs)**`args,`** [**`TransactOptions`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-transactoptions)**`options,`** [**`ILinkTransport`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) **`transport)`** Sign and optionally broadcast a EOSIO transaction, action or actions. Example: ```cpp var result = await myLink.transact({transaction: myTx}) ``` #### Parameters * `args` The action, actions or transaction to use. * `options` Options for this transact call. * `transport` Transport override, for internal use. **`public async Task<`** [**`IdentifyResult`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-identifyresult)**`>`** [**`Identify`**](#class_anchor_link_sharp_1_1_anchor_link_1abcf7b8bbe7bcdcf28714aaf9f7ccbae6)**`(PermissionLevel requestPermission, object info)`** Send an identity request and verify the identity proof. #### Parameters * `requestPermission` Optional request permission if the request is for a specific account or permission. * `info` Metadata to add to the request. This is for advanced use-cases, you probably want to use \[\[AnchorLink.login]] instead. **`public async Task<`** [**`LoginResult`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-loginresult)**`>`** [**`Login`**](#class_anchor_link_sharp_1_1_anchor_link_1ab7be810b454e3488fe61cb53e6f9240c)**`(string identifier)`** Login and create a persistent session. #### Parameters * `identifier` The session identifier, an EOSIO name (`[a-z1-5]{1,12}`). Should be set to the contract account if applicable. **`public async Task<`** [**`LinkSession`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-linksession)**`>`** [**`RestoreSession`**](#class_anchor_link_sharp_1_1_anchor_link_1a7cffa50a5f997a82e7b240c759429ae4)**`(string identifier, PermissionLevel auth)`** Restore previous session, see \[\[AnchorLink.login]] to create a new session. #### Parameters * `identifier` The session identifier, should be same as what was used when creating the session with \[\[AnchorLink.login]]. * `auth` A specific session auth to restore, if omitted the most recently used session will be restored. #### Returns A \[\[LinkSession]] instance or null if no session can be found. #### Exceptions * `If` no \[\[LinkStorage]] adapter is configured or there was an error retrieving the session data. **`public async Task< List< PermissionLevel > >`** [**`ListSessions`**](#class_anchor_link_sharp_1_1_anchor_link_1a26af270e04728d003f4413fe1fd09a6b)**`(string identifier)`** List stored session auths for given identifier. The most recently used session is at the top (index 0). #### Exceptions * `If` no \[\[LinkStorage]] adapter is configured or there was an error retrieving the session list. **`public async Task`** [**`RemoveSession`**](#class_anchor_link_sharp_1_1_anchor_link_1a0201a0d51fb824a07270e102192891cf)**`(string identifier, PermissionLevel auth)`** Remove stored session for given identifier and auth. #### Exceptions * `If` no \[\[LinkStorage]] adapter is configured or there was an error removing the session data. **`public async void`** [**`ClearSessions`**](#class_anchor_link_sharp_1_1_anchor_link_1a13e8a7c2fc690bff953766788d1c8507)**`(string identifier)`** Remove all stored sessions for given identifier. #### Exceptions * `If` no \[\[LinkStorage]] adapter is configured or there was an error removing the session data. **`public LinkSignatureProvider`** [**`MakeSignatureProvider`**](#class_anchor_link_sharp_1_1_anchor_link_1a972262a195b3b8df071d75404acf03d8)**`(string[] availableKeys,`** [**`ILinkTransport`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp) **`transport)`** Create an eosjs compatible signature provider using this anchorLink. #### Parameters * `availableKeys` Keys the created provider will claim to be able to sign for. * `transport` (internal) Transport override for this call. We don't know what keys are available so those have to be provided, to avoid this use \[\[LinkSession.makeSignatureProvider]] instead. Sessions can be created with \[\[AnchorLink.login]]. **`public async Task<`** [**`CallbackPayload`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/eosiosigningrequest/eosiosigningrequest-callbackpayload)**`>`** [**`WaitForCallback`**](#class_anchor_link_sharp_1_1_anchor_link_1adc00a445712a67d7ae7f6e94aa0facdb)**`(string url)`** Connect to a WebSocket channel and wait for a message. **`public async Task`** [**`PollForCallback`**](#class_anchor_link_sharp_1_1_anchor_link_1aab81c9f8580485999fb50b0b92b57297)**`(string url)`** **`private readonly string`** [**`_serviceAddress`**](#class_anchor_link_sharp_1_1_anchor_link_1af3111da0cd839afdaa039bb12e192a60) **`private readonly SigningRequestEncodingOptions`** [**`_requestOptions`**](#class_anchor_link_sharp_1_1_anchor_link_1aa95d1275f898f38a9089ceb4c929942e) **`private readonly Dictionary< string, Abi >`** [**`_abiCache`**](#class_anchor_link_sharp_1_1_anchor_link_1a65fe607572bcc08a0a12c45ce4de6952)**`= new Dictionary()`** **`private readonly Dictionary< string, Task< GetAbiResponse > >`** [**`_pendingAbis`**](#class_anchor_link_sharp_1_1_anchor_link_1a86e828352d049438a442b003467fb2f1)**`= new Dictionary>()`** **`private WebSocketWrapper`** [**`_socket`**](#class_anchor_link_sharp_1_1_anchor_link_1aa91178ae68686e701a8db0ba9aa4e0b2) **`private async Task`** [**`TouchSession`**](#class_anchor_link_sharp_1_1_anchor_link_1a97ab13673964a3563c36bbe5a68b4e51)**`(string identifier, PermissionLevel auth, bool remove)`** Makes sure session is in storage list of sessions and moves it to top (most recently used). **`private async Task`** [**`StoreSession`**](#class_anchor_link_sharp_1_1_anchor_link_1a9ab68f28433479ccb198256cc8f98ef2)**`(string identifier,`** [**`LinkSession`**](https://liquiidio.gitbook.io/unity-plugin-suite/anchorlink/api-docs/anchorlinksharp/anchorlinksharp-linksession) **`session)`** Makes sure session is in storage list of sessions and moves it to top (most recently used). **`private string`** [**`SessionKey`**](#class_anchor_link_sharp_1_1_anchor_link_1a41d11cf2b1f6e0f5c6cc5b5a2c2236ae)**`(string identifier, string[] suffixes)`** Session storage key for identifier and suffix.