WalletConnectHelper

public class WalletConnectHelper extends Object

↳ package com.onekosmos.blockid.sdk.walletconnect

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A singleton class that provides the following application features:

• Connect BlockID SDK wallet to DApps
• Transaction signing
• Personal signing

Prerequisites

• WalletConnect Project ID
  1. Register a project into the WalletConnect Cloud application (https://cloud.walletconnect.com/app) to get the Project ID for your project
  2. The Project ID allows you to start using the relay network immediately, and is needed during SDK initialization

Method Summary

Type	Name	Description
void	approveConnection(@NonNull Sign.Model.SessionProposal sessionProposal)	Approves the requested session. A session is created between the proposer and responder.
void	approveSession(@NonNull Sign.Model.SessionRequest sessionRequest)	Signs the transaction for a given session. Allowed methods are eth_signTransaction and personal_sign in the SessionRequest object.
void	connect(@NonNull String uri)	Connect a client with a URI generated by the proposer.
void	disconnect(@NonNull Sign.Model.Session session)	Disconnect the given active session.
List<Sign.Model.Session>	getActiveSessions()	Returns list of active sessions.
WalletConnectHelper	getInstance()	Creates and returns a singleton instance of the WalletConnectHelper class.
void	initialize(@NonNull Application application, @NonNull String projectID, @NonNull Sign.Model.AppMetaData metadata, @NonNull WalletConnectCallback callback)	Initializes the object based on given project id and application metadata.
void	rejectConnection(@NonNull Sign.Model.SessionProposal sessionProposal)	Rejects the requested proposal session.
void	rejectSession(@NonNull Sign.Model.SessionRequest sessionRequest)	Rejects the transaction for a given session.

Method Detail

approveConnection

public void approveConnection(@NonNull Sign.Model.SessionProposal sessionProposal)

• Approves the requested session. A session is created between the proposer and responder.

Parameters
sessionProposal	Sign.Model.SessionProposal: Session proposal

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approveSession

public void approveSession(@NonNull Sign.Model.SessionRequest sessionRequest)

• Signs the transaction for a given session. Allowed methods are eth_signTransaction and personal_sign in the SessionRequest object.

Parameters
sessionRequest	Sign.Model.SessionRequest : Session request

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connect

public void connect(@NonNull String uri)

• Connect a client with a URI generated by the proposer.

Parameters
uri	String: Connection uri

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disconnect

public void disconnect(@NonNull Sign.Model.Session session)

• Disconnect the given active session.

Parameters
session	Sign.Model.Session: Session to be disconnect

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getActiveSessions

public List<Sign.Model.Session> getActiveSessions()

• Returns list of active sessions.

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approveConnection

public static WalletConnectHelper getInstance()

• Creates and returns a singleton instance of the WalletConnectHelper class.

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initialize

public void initialize(@NonNull Application application, @NonNull String projectID, @NonNull Sign.Model.AppMetaData metadata, @NonNull WalletConnectCallback callback)

• Initializes the object based on given project id and application metadata.

Parameters
application	Application: Application object
projectID	String: Project ID
metadata	Sign.Model.AppMetaData : App meta data information
callback	WalletConnectCallback: The block to execute when events related to wallet connect/ disconnect, transaction and personal signing requests.

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rejectConnection

public void rejectConnection(@NonNull Sign.Model.SessionProposal sessionProposal)

• Rejects the requested proposal session.

Parameters
sessionProposal	Sign.Model.SessionProposal: Session proposal

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rejectSession

public void rejectSession(@NonNull Sign.Model.SessionRequest sessionRequest)

• Rejects the transaction for a given session.

Parameters
sessionRequest	Sign.Model.SessionRequest : Session request