WalletConnectHelper

public class WalletConnectHelper

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This is a singleton class that provides applications to

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

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Prerequisites

• WalletConnect Project ID
  1. Register a project into the Wallet Connect cloud application to get your Project ID
  2. The project ID allows you to start using the relay network immediately, and is needed during SDK initialisation

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Constructor

public init(projectID: String, metadata: AppMetadata, delegate: WalletConnectDelegate)

• Creates an object of WalletConnectHelper. This function will throw an error if the SDK is not ready.

Parameters
projectID	String: String value which contains the Wallet Connect Project ID
metadata	Instance of AppMetadata
delegate	Instance of WalletConnectDelegate

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Method Summary

Parameters
void	connect(uri: String)	Connect a client with a URI generated by the proposer.
void	disconnect(session: ActiveSessionItem)	Disconnect the given active session.
void	approveSession(request: Request)	Signs the transaction for a given session. Allowed methods are eth_signTransaction and personal_sign in the SessionRequest object.
void	rejectSession(request: Request)	Rejects the transaction for a given session.
Array of ActiveSessionItem	getActiveSessions() -> [ActiveSessionItem]	Returns list of active sessions.
void	approveConnection(sessionProposal: Session.Proposal)	Approves the requested session. A session is created between the proposer and responder.
void	rejectConnection(sessionProposal: Session.Proposal)	Rejects the requested proposal session.

Method Detail

connect

public func connect(uri: String)

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

Parameters
uri	String: Connection uri

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disconnect

public func disconnect(session: ActiveSessionItem)

• Disconnect the given active session.

Parameters
session	ActiveSessionItem: Session to be disconnected

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approveSession

public func approveSession(request: Request)

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

Parameters
request	Request: Session request

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rejectSession

public func approveSession(request: Request)

• Rejects the transaction for a given session.

Parameters
request	Request: Session request

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getActiveSessions

public func getActiveSessions() -> [ActiveSessionItem]

• Returns list of active sessions.

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approveConnection

public func approveSession(sessionProposal: Session.Proposal)

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

Parameters
sessionProposal	Session.Proposal: Session proposal

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rejectConnection

public func rejectConnection(sessionProposal: Session.Proposal)

• Rejects the requested proposal session.

Parameters
sessionProposal	Session.Proposal: Session proposal

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Protocol Summary

Parameters
WalletConnectDelegate	Callback for events related to wallet connect/ disconnect, transaction, and personal signing requests.

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WalletConnectDelegate

public protocol WalletConnectDelegate: AnyObject

• Callback for events related to wallet connect/ disconnect, transaction and personal signing requests.

Method Summary

func onSessionProposal(sessionProposal: Session.Proposal?)

• Called when Session Proposal request received.

Parameters
sessionProposal	Session.Proposal: Session Proposal

func onSessionRequest(request: Request)

• Called when Session Request received for signing.

Parameters
request	Request : Session request

func onSessionSettleResponse(sessions: [ActiveSessionItem])

• Called when Session Settle delegate when an active session is received.

Parameters
sessions	[ActiveSessionItem] : Array of ActiveSessionItem

func onSessionDisconnect(remainingSession: [ActiveSessionItem])

• Called when Session Disconnect when an active session is disconnected.

Parameters
remainingSession	[ActiveSessionItem] : Array of ActiveSessionItem

func onError(error: Error)

• Called when Error received.

Parameters
error	Error : Error object