ZKWallet

Objective-C

@interface ZKWallet : NSObject

Swift

class ZKWallet : NSObject

User wallet provides methods for transfer and exchange of fiat and cryptocurrency funds. Sending a transaction or making an exchange is a two step process. First a transaction or exchange has to be composed via one of the compose methods, then ZKComposedTransaction or ZKComposedExchange can be submitted.

User wallet instance can be obtained by creating, unlocking or recovering user wallet via ZKUser instance.

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                    -composeTransaction:changeAccountId:destination:amount:feeRate:sendMax:callback:

Compose BTC or BSV transaction. Refer to Send Transactions guide for usage details.

On success ZKComposedTransaction is returned via callback.

Declaration

Objective-C

- (void)composeTransaction:(nonnull NSString *)fromAccountId
           changeAccountId:(nonnull NSString *)changeAccountId
               destination:(nonnull NSString *)destination
                    amount:(nullable NSDecimalNumber *)amount
                   feeRate:(nonnull NSDecimalNumber *)feeRate
                   sendMax:(BOOL)sendMax
                  callback:(nullable id<ZKComposeTransactionCallback>)callback;

Parameters

`fromAccountId`	`ZKAccount` identifier
`changeAccountId`	change `ZKAccount` identifier, which can be the same as fromAccountId
`destination`	destination wallet address
`amount`	amount in BTC or BSV
`feeRate`	fee rate in satoshis/byte
`sendMax`	send maximum possible funds to destination
`callback`	an interface to receive the result or error

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                    -composeEthTransaction:gasPrice:gasLimit:destination:amount:data:nonce:sendMax:callback:

Compose Ethereum transaction. Refer to Send Transactions guide for usage details.

On success ZKComposedTransaction is returned via callback.

Declaration

Objective-C

- (void)composeEthTransaction:(nonnull NSString *)fromAccountId
                     gasPrice:(nonnull NSDecimalNumber *)gasPrice
                     gasLimit:(int32_t)gasLimit
                  destination:(nullable NSString *)destination
                       amount:(nullable NSDecimalNumber *)amount
                         data:(nullable NSString *)data
                        nonce:(nullable NSNumber *)nonce
                      sendMax:(BOOL)sendMax
                     callback:
                         (nullable id<ZKComposeTransactionCallback>)callback;

Parameters

`fromAccountId`	`ZKAccount` identifier
`gasPrice`	gas price in gwei
`gasLimit`	gas limit
`destination`	destination wallet address
`amount`	amount in ETH
`data`	data in string format or null
`nonce`	next transaction nonce or null
`sendMax`	send maximum possible funds to destination
`callback`	an interface to receive the result or error

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ZKWalletCallbackCompletion


                    
                    
                    -composeEthTransaction:gasPrice:gasLimit:destination:amount:data:nonce:sendMax:completion:

composeEthTransaction completion handler extension.

See

-[ZKWallet composeEthTransaction:gasPrice:gasLimit:destination:amount:data:nonce:sendMax:callback:]

Declaration

Objective-C

- (void)composeEthTransaction:(nonnull NSString *)fromAccountId
                     gasPrice:(nonnull NSDecimalNumber *)gasPrice
                     gasLimit:(int32_t)gasLimit
                  destination:(nullable NSString *)destination
                       amount:(nullable NSDecimalNumber *)amount
                         data:(nullable NSString *)data
                        nonce:(nullable NSNumber *)nonce
                      sendMax:(BOOL)sendMax
                   completion:(ZKComposeTransactionCompletionBlock _Nonnull)
                                  completionHandler;

Swift

func composeEthTransaction(_ fromAccountId: String, gasPrice: NSDecimalNumber, gasLimit: Int32, destination: String?, amount: NSDecimalNumber?, data: String?, nonce: NSNumber?, sendMax: Bool) async throws -> ZKComposedTransaction

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                    -composeTransaction:changeAccountId:destination:amount:feeRate:sendMax:completion:

composeTransaction completion handler extension.

See

-[ZKWallet composeTransaction:changeAccountId:destination:amount:feeRate:sendMax:callback:]

Declaration

Objective-C

- (void)composeTransaction:(nonnull NSString *)fromAccountId
           changeAccountId:(nonnull NSString *)changeAccountId
               destination:(nonnull NSString *)destination
                    amount:(nullable NSDecimalNumber *)amount
                   feeRate:(nonnull NSDecimalNumber *)feeRate
                   sendMax:(BOOL)sendMax
                completion:(ZKComposeTransactionCompletionBlock _Nonnull)
                               completionHandler;

Swift

func composeTransaction(_ fromAccountId: String, changeAccountId: String, destination: String, amount: NSDecimalNumber?, feeRate: NSDecimalNumber, sendMax: Bool) async throws -> ZKComposedTransaction

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