Usage

Methods

initialize

Init instance of SwiftBlade for correct work with Blade API and Hedera network.

initialize(apiKey: String, dAppCode: String, network: HederaNetwork, bladeEnv: BladeEnv = BladeEnv.Prod, force: Bool = false, completion: @escaping (_ result: InfoData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

apiKey

String

Unique key for API provided by Blade team.

dAppCode

String

your dAppCode - request specific one by contacting Bladelabs team

network

HederaNetwork

.TESTNET or .MAINNET of Hedera network

bladeEnv

BladeEnv = BladeEnv.Prod

.CI or .PROD field to set BladeAPI environment. Prod used by default.

force

Bool = false

optional field to force init. Will not crash if already initialized

completion

@escaping (_ result: InfoData?, _ error: BladeJSError?) -> Void

completion closure that will be executed after webView is fully loaded and rendered, and result with InfoData type

Returns

InfoData - with information about Blade instance, including visitorId

Example

SwiftBlade.shared.initialize(apiKey: apiKey, dAppCode: apiKey, network: .TESTNET, bladeEnv: .Prod) { (result, error) in
    print(result ?? error)
}

getInfo

Get SDK info and check if SDK initialized

getInfo(completion: @escaping (_ result: InfoData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

completion

@escaping (_ result: InfoData?, _ error: BladeJSError?) -> Void

result with InfoData type

Returns

InfoData - with information about Blade instance, including visitorId

Example

SwiftBlade.shared.getInfo() { (result, error) in
    print(result ?? error)
}

getBalance

Get balances by Hedera account id (address)

getBalance(_ id: String, completion: @escaping (_ result: BalanceData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

id

String

Hedera id (address), example: 0.0.112233

completion

@escaping (_ result: BalanceData?, _ error: BladeJSError?) -> Void

result with BalanceData type

Returns

BalanceData - with information about Hedera account balances (hbar and list of token balances)

Example

SwiftBlade.shared.getBalance("0.0.10001") { (result, error) in
    print(result ?? error)
}

getCoinList

Get list of all available coins on CoinGecko.

getCoinList(completion: @escaping (_ result: CoinListData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

completion

@escaping (_ result: CoinListData?, _ error: BladeJSError?) -> Void

result with CoinListData type

Returns

CoinListData - with list of coins described by name, alias, platforms

Example

SwiftBlade.shared.getCoinList { result, error in
    print(result ?? error)
}

getCoinPrice

Get coin price and coin info from CoinGecko. Search can be coin id or address in one of the coin platforms.

In addition to the price in USD, the price in the currency you specified is returned

getCoinPrice(_ search: String, _ currency: String = "usd", completion: @escaping (_ result: CoinInfoData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

search

String

CoinGecko coinId, or address in one of the coin platforms or hbar (default, alias for hedera-hashgraph)

currency

String = "usd"

result currency for price field

completion

@escaping (_ result: CoinInfoData?, _ error: BladeJSError?) -> Void

result with CoinInfoData type

Returns

CoinInfoData

Example

SwiftBlade.shared.getCoinPrice("Hbar", "uah") { result, error in
    print(result ?? error)
}

transferHbars

Method to execute Hbar transfers from current account to receiver

transferHbars(accountId: String, accountPrivateKey: String, receiverId: String, amount: Decimal, memo: String, completion: @escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

accountId

String

sender account id

accountPrivateKey

String

sender's private key to sign transfer transaction

receiverId

String

receiver

amount

Decimal

amount

memo

String

memo (limited to 100 characters)

completion

@escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void

result with TransactionReceiptData type

Returns

TransactionReceiptData receipt

Example

let accountId = "0.0.10001"
let privateKeyHex = "302d300706052b8104000a032200029dc73991b0d9cd..."
let receiverId = "0.0.10002"
let amount: Decimal = 7.0
let memo = "transferHbars tests Swift"

SwiftBlade.shared.transferHbars(
    accountId: accountId,
    accountPrivateKey: privateKeyHex,
    receiverId: receiverId,
    amount: amount,
    memo: memo
) { result, error in
    print(result ?? error)
}

transferTokens

Method to execute token transfers from current account to receiver

transferTokens(tokenId: String, accountId: String, accountPrivateKey: String, receiverId: String, amountOrSerial: Decimal, memo: String, usePaymaster: Bool = true, completion: @escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

tokenId

String

token id to send (0.0.xxxxx)

accountId

String

sender account id (0.0.xxxxx)

accountPrivateKey

String

sender's hex-encoded private key with DER-header (302e020100300506032b657004220420...). ECDSA or Ed25519

receiverId

String

receiver account id (0.0.xxxxx)

amountOrSerial

Decimal

amount of fungible tokens to send (with token-decimals correction) on NFT serial number

memo

String

memo (limited to 100 characters)

usePaymaster

Bool = true

if true, Paymaster account will pay fee transaction. Only for single dApp configured fungible-token. In that case tokenId not used

completion

@escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void

result with TransactionReceiptData type

Returns

TransactionReceiptData receipt

Example

let tokenId = "0.0.1337"
let senderId = "0.0.10001"
let senderKey = "302d300706052b8104000a032200029dc73991b0d9cd..."
let receiverId = "0.0.10002"
let amount: Decimal = 5.0

SwiftBlade.shared.transferTokens(
    tokenId: tokenId,
    accountId: senderId,
    accountPrivateKey: senderKey,
    receiverId: receiverId,
    amountOrSerial: amount,
    memo: "transferTokens tests Swift (paid)",
    usePaymaster: false
) { result, error in
    print(result ?? error)
}

createScheduleTransaction

Create scheduled transaction

createScheduleTransaction( accountId: String, accountPrivateKey: String, type: ScheduleTransactionType, transfers: [ScheduleTransactionTransfer], _ usePaymaster: Bool = false, completion: @escaping (_ result: CreateScheduleData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

accountId

String

account id (0.0.xxxxx)

accountPrivateKey

String

account key (hex encoded privateKey with DER-prefix)

type

ScheduleTransactionType

schedule transaction type (currently only TRANSFER supported)

transfers

[ScheduleTransactionTransfer]

array of transfers to schedule (HBAR, FT, NFT)

usePaymaster

Bool = false

if true, Paymaster account will pay transaction fee (also dApp had to be configured for free schedules)

completion

@escaping (_ result: CreateScheduleData?, _ error: BladeJSError?) -> Void

result with CreateScheduleData type

Returns

CreateScheduleData scheduleId

Example

let receiverId = "0.0.10002"
let receiverKey = "302d300706052b8104000a032200029dc73991b00002..."
let senderId = "0.0.10001"
let tokenId = "0.0.1337"

SwiftBlade.shared.createScheduleTransaction(
    accountId: receiverId,
    accountPrivateKey: receiverKey,
    type: .TRANSFER,
    transfers: [
        ScheduleTransactionTransferHbar(sender: senderId, receiver: receiverId, value: 10000000),
        ScheduleTransactionTransferToken(sender: senderId, receiver: receiverId, tokenId: tokenId, value: 3)
    ],
    false
) { result, error in
    print(result ?? error)
}

signScheduleId

Method to sign scheduled transaction

signScheduleId( scheduleId: String, accountId: String, accountPrivateKey: String, receiverAccountId: String = "", usePaymaster: Bool = false, completion: @escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

scheduleId

String

scheduled transaction id (0.0.xxxxx)

accountId

String

account id (0.0.xxxxx)

accountPrivateKey

String

hex encoded privateKey with DER-prefix

receiverAccountId

String = ""

account id of receiver for additional validation in case of dApp freeSchedule transactions configured

usePaymaster

Bool = false

if true, Paymaster account will pay transaction fee (also dApp had to be configured for free schedules)

completion

@escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void

result with TransactionReceiptData type

Returns

TransactionReceiptData receipt

Example

let senderId = "0.0.10001"
let senderKey = "302d300706052b8104000a032200029dc73991b00001..."
let receiverId = "0.0.10002"
let scheduleId = "0.0...." // result of createScheduleTransaction on receiver side

SwiftBlade.shared.signScheduleId(
    scheduleId: scheduleId,
    accountId: senderId,
    accountPrivateKey: senderKey,
    receiverAccountId: receiverId,
    usePaymaster: false
) { result, error in
    print(result ?? error)
}

createHederaAccount

Create new Hedera account (ECDSA). Only for configured dApps. Depending on dApp config Blade create account, associate tokens, etc.

In case of not using pre-created accounts pool and network high load, this method can return transactionId and no accountId.

In that case account creation added to queue, and you should wait some time and call getPendingAccount() method.

createHederaAccount(_ privateKey: String = "", deviceId: String = "", completion: @escaping (_ result: CreatedAccountData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

privateKey

String = ""

optional field if you need specify account key (hex encoded privateKey with DER-prefix)

deviceId

String = ""

unique device id (advanced security feature, required only for some dApps)

completion

@escaping (_ result: CreatedAccountData?, _ error: BladeJSError?) -> Void

result with CreatedAccountData type

Returns

CreatedAccountData new account data, including private key and account id

Example

SwiftBlade.shared.createHederaAccount() { result, error in
    print(result ?? error)
}

getPendingAccount

Get account from queue (read more at createAccount()).

If account already created, return account data.

If account not created yet, response will be same as in createHederaAccount() method if account in queue.

getPendingAccount(transactionId: String, seedPhrase: String, completion: @escaping (_ result: CreatedAccountData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

transactionId

String

can be received on createHederaAccount method, when busy network is busy, and account creation added to queue

seedPhrase

String

returned from createHederaAccount method, required for updating keys and proper response

completion

@escaping (_ result: CreatedAccountData?, _ error: BladeJSError?) -> Void

result with CreatedAccountData type

Returns

CreatedAccountData new account data

deleteHederaAccount

Delete Hedera account. This method requires account private key and operator private key. Operator is the one who paying fees

deleteHederaAccount(deleteAccountId: String, deletePrivateKey: String, transferAccountId: String, operatorAccountId: String, operatorPrivateKey: String, completion: @escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

deleteAccountId

String

account to delete - id

deletePrivateKey

String

account to delete - private key

transferAccountId

String

The ID of the account to transfer the remaining funds to.

operatorAccountId

String

operator account Id

operatorPrivateKey

String

operator account private key

completion

@escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void

result with TransactionReceiptData type

Returns

TransactionReceiptData receipt

Example

let deleteAccountId = "0.0.65468464"
let deletePrivateKey = "3030020100300706052b8104000a04220420ebc..."
let transferAccountId = "0.0.10001"
let operatorAccountId = "0.0.10002"
let operatorPrivateKey = "302d300706052b8104000a032200029dc73991b0d9cd..."

SwiftBlade.shared.deleteHederaAccount(
    deleteAccountId: deleteAccountId,
    deletePrivateKey: deletePrivateKey,
    transferAccountId: transferAccountId,
    operatorAccountId: operatorAccountId,
    operatorPrivateKey: operatorPrivateKey
) { result, error in
    print(result ?? error)
}

getAccountInfo

Get account info.

EvmAddress is address of Hedera account if exists. Else accountId will be converted to solidity address.

CalculatedEvmAddress is calculated from account public key. May be different from evmAddress.

getAccountInfo(accountId: String, completion: @escaping (_ result: AccountInfoData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

accountId

String

Hedera account id (0.0.xxxxx)

completion

@escaping (_ result: AccountInfoData?, _ error: BladeJSError?) -> Void

result with AccountInfoData type

Returns

AccountInfoData

Example

SwiftBlade.shared.getAccountInfo(accountId: "0.0.10001") { result, error in
    print(result ?? error)
}

getNodeList

Get Node list and use it for choosing account stacking node

getNodeList(completion: @escaping (_ result: NodesData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

completion

@escaping (_ result: NodesData?, _ error: BladeJSError?) -> Void

result with NodesData type

Returns

NodesData node list

Example

SwiftBlade.shared.getNodeList() { result, error in
    print(result ?? error)
}

stakeToNode

Stake/unstake account

stakeToNode(accountId: String, accountPrivateKey: String, nodeId: Int, completion: @escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

accountId

String

Hedera account id (0.0.xxxxx)

accountPrivateKey

String

account private key (DER encoded hex string)

nodeId

Int

node id to stake to. If negative or null, account will be unstaked

completion

@escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void

result with TransactionReceiptData type

Returns

TransactionReceiptData receipt

Example

SwiftBlade.shared.stakeToNode(accountId: "0.0.10002", accountPrivateKey: "302d300706052b8104000a032200029dc73991b0d9cd...", nodeId: 5) { result, error in
    print(result ?? error)
}

getKeysFromMnemonic

Get private key and accountId from mnemonic. Supported standard and legacy key derivation.

If account not found, standard ECDSA key will be returned.

Keys returned with DER header. EvmAddress computed from Public key.

getKeysFromMnemonic(mnemonic: String, lookupNames: Bool = false, completion: @escaping (_ result: PrivateKeyData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

mnemonic

String

seed phrase (BIP39 mnemonic)

lookupNames

Bool = false

lookup for accounts (not used anymore, account search is mandatory)

completion

@escaping (_ result: PrivateKeyData?, _ error: BladeJSError?) -> Void

result with PrivateKeyData type

Returns

PrivateKeyData private key derived from mnemonic and account id

Example

let mnemonic = "purity slab doctor swamp tackle rebuild summer bean craft toddler blouse switch"
SwiftBlade.shared.getKeysFromMnemonic(mnemonic: mnemonic, lookupNames: true) { result, error in
    print(result ?? error)
}

searchAccounts

Get accounts list and keys from private key or mnemonic

Supporting standard and legacy key derivation.

Every key with account will be returned.

searchAccounts(_ keyOrMnemonic: String, completion: @escaping (_ result: AccountPrivateData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

keyOrMnemonic

String

BIP39 mnemonic, private key with DER header

completion

@escaping (_ result: AccountPrivateData?, _ error: BladeJSError?) -> Void

result with AccountPrivateData type

Returns

AccountPrivateData list of found accounts with private keys

Example

let mnemonic = "purity slab doctor swamp tackle rebuild summer bean craft toddler blouse switch"
SwiftBlade.shared.searchAccounts(mnemonic) { result, error in
    print(result ?? error)
}

dropTokens

Bladelink drop to account

dropTokens(accountId: String, accountPrivateKey: String, secretNonce: String, completion: @escaping (_ result: TokenDropData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

accountId

String

Hedera account id (0.0.xxxxx)

accountPrivateKey

String

account private key (DER encoded hex string)

secretNonce

String

configured for dApp. Should be kept in secret

completion

@escaping (_ result: TokenDropData?, _ error: BladeJSError?) -> Void

result with TokenDropData type

Returns

TokenDropData status

Example

let accountId = "0.0.10002"
let accountPrivateKey = "302d300706052b8104000a032200029dc73991b0d9cd..."
let secretNonce = "[ CENSORED ]"

SwiftBlade.shared.dropTokens(
    accountId: accountId,
    accountPrivateKey: accountPrivateKey,
    secretNonce: secretNonce
) { result, error in
    print(result ?? error)
}

sign

Sign base64-encoded message with private key. Returns hex-encoded signature.

sign(messageString: String, privateKey: String, completion: @escaping (_ result: SignMessageData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

messageString

String

base64-encoded message to sign

privateKey

String

hex-encoded private key with DER header

completion

@escaping (_ result: SignMessageData?, _ error: BladeJSError?) -> Void

result with SignMessageData type

Returns

SignMessageData signature

Example

let originalMessage = "hello"
let privateKeyHex = "302d300706052b8104000a032200029dc73991b0d9cd..."
if let base64encodedString = originalMessage.data(using: .utf8)?.base64EncodedString(options: Data.Base64EncodingOptions(rawValue: 0)) {
    SwiftBlade.shared.sign(messageString: base64encodedString, privateKey: privateKeyHex) { result, error in
        print(result ?? error)
    }
}

signVerify

Verify message signature with public key

signVerify(messageString: String, signature: String, publicKey: String, completion: @escaping (_ result: SignVerifyMessageData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

messageString

String

base64-encoded message (same as provided to sign() method)

signature

String

hex-encoded signature (result from sign() method)

publicKey

String

hex-encoded public key with DER header

completion

@escaping (_ result: SignVerifyMessageData?, _ error: BladeJSError?) -> Void

result with SignVerifyMessageData type

Returns

SignVerifyMessageData verification result

Example

let originalString = "hello"
let signedMessage = "27cb9d51434cf1e76d7ac515b19442c619f641e6fccddbf4a3756b14466becb6992dc1d2a82268018147141fc8d66ff9ade43b7f78c176d070a66372d655f942"
let publicKey = "302d300706052b8104000a032200029dc73991b0d9cdbb59b2cd0a97a0eaff6de801726cb39804ea9461df6be2dd30"
if let base64encodedString = originalMessage.data(using: .utf8)?.base64EncodedString(options: Data.Base64EncodingOptions(rawValue: 0)) {
    SwiftBlade.shared.signVerify(messageString: base64encodedString, signature: signedMessage, publicKey: publicKey) { result, error in
        print(result ?? error)
    }
}

createContractFunctionParameters

Method to create smart-contract function parameters (instance of ContractFunctionParameters)

createContractFunctionParameters()

Returns

ContractFunctionParameters

Example

let tuple = SwiftBlade.shared.createContractFunctionParameters()
    .addInt64(value: 16)
    .addInt64(value: 32)

contractCallFunction

Call contract function. Directly or via BladeAPI using paymaster account (fee will be paid by Paymaster account), depending on your dApp configuration.

contractCallFunction(contractId: String, functionName: String, params: ContractFunctionParameters, accountId: String, accountPrivateKey: String, gas: Int = 100_000, usePaymaster: Bool, completion: @escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

contractId

String

contract id (0.0.xxxxx)

functionName

String

name of the contract function to call

params

ContractFunctionParameters

function argument. Can be generated with createContractFunctionParameters() method

accountId

String

operator account id (0.0.xxxxx)

accountPrivateKey

String

operator's hex-encoded private key with DER-header, ECDSA or Ed25519

gas

Int = 100_000

gas limit for transaction (default 100000)

usePaymaster

Bool

if true, fee will be paid by Paymaster account (note: msg.sender inside the contract will be Paymaster account)

completion

@escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void

result with TransactionReceiptData type

Returns

TransactionReceiptData receipt

Example

let contractId = "0.0.123456"
let functionName = "set_message"
let parameters = SwiftBlade.shared.createContractFunctionParameters().addString(value: "Hello Swift test")
let accountId = "0.0.10002"
let accountPrivateKey = "302d300706052b8104000a032200029dc73991b0d9cd..."
let gas = 155_000
let usePaymaster = false

SwiftBlade.shared.contractCallFunction(
    contractId: contractId, functionName: functionName, params: parameters, accountId: accountId, accountPrivateKey: accountPrivateKey, gas: gas, usePaymaster: usePaymaster
) { result, error in
    print(result ?? error)
}

contractCallQueryFunction

Call query on contract function. Similar to contractCallFunction() can be called directly or via BladeAPI using Paymaster account.

contractCallQueryFunction(contractId: String, functionName: String, params: ContractFunctionParameters, accountId: String, accountPrivateKey: String, gas: Int = 100_000, usePaymaster: Bool, returnTypes: [String], completion: @escaping (_ result: ContractQueryData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

contractId

String

functionName

String

params

ContractFunctionParameters

accountId

String

accountPrivateKey

String

gas

Int = 100_000

usePaymaster

Bool

returnTypes

[String]

completion

@escaping (_ result: ContractQueryData?, _ error: BladeJSError?) -> Void

Returns

ContractQueryData contract query call result

Example

let contractId = "0.0.123456"
let functionName = "get_message"
let parameters = SwiftBlade.shared.createContractFunctionParameters()
let accountId = "0.0.10002"
let accountPrivateKey = "302d300706052b8104000a032200029dc73991b0d9cd..."
let gas = 155_000
let usePaymaster = false
let returnTypes = ["string", "int32"]

SwiftBlade.shared.contractCallQueryFunction(
    contractId: contractId, functionName: functionName, params: SwiftBlade.shared.createContractFunctionParameters(), accountId: accountId, accountPrivateKey: accountPrivateKey, gas: gas, usePaymaster: usePaymaster, returnTypes: returnTypes
) { result, error in
    print(result ?? error)
}

ethersSign

Sign base64-encoded message with private key using ethers lib. Returns hex-encoded signature.

ethersSign(messageString: String, privateKey: String, completion: @escaping (_ result: SignMessageData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

messageString

String

base64-encoded message to sign

privateKey

String

hex-encoded private key with DER header

completion

@escaping (_ result: SignMessageData?, _ error: BladeJSError?) -> Void

result with SignMessageData type

Returns

SignMessageData signature

Example

let originalMessage = "hello"
let privateKeyHex = "302d300706052b8104000a032200029dc73991b0d9cd..."
if let base64encodedString = originalMessage.data(using: .utf8)?.base64EncodedString(options: Data.Base64EncodingOptions(rawValue: 0)) {
    SwiftBlade.shared.ethersSign(messageString: base64encodedString, privateKey: privateKeyHex) { result, error in
        print(result ?? error)
    }
}

splitSignature

Split signature to v-r-s format.

splitSignature(signature: String, completion: @escaping (_ result: SplitSignatureData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

signature

String

hex-encoded signature

completion

@escaping (_ result: SplitSignatureData?, _ error: BladeJSError?) -> Void

result with SplitSignatureData type

Returns

SplitSignatureData v-r-s signature

Example

let signedMessage = "0x27cb9d51434cf1e76d7ac515b19442c619f641e6fccddbf4a3756b14466becb6992dc1d2a82268018147141fc8d66ff9ade43b7f78c176d070a66372d655f942"
SwiftBlade.shared.splitSignature(signature: signMessageData.signedMessage) { result, error in
    print(result ?? error)
}

getParamsSignature

Get v-r-s signature of contract function params

getParamsSignature(params: ContractFunctionParameters, accountPrivateKey: String, completion: @escaping (_ result: SplitSignatureData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

params

ContractFunctionParameters

data to sign. (instance of ContractFunctionParameters. Can be generated with createContractFunctionParameters() method)

accountPrivateKey

String

signer private key (hex-encoded with DER header)

completion

@escaping (_ result: SplitSignatureData?, _ error: BladeJSError?) -> Void

result with SplitSignatureData type

Returns

SplitSignatureData v-r-s signature

Example

let privateKeyHex = "302d300706052b8104000a032200029dc73991b0d9cd..."
let parameters = SwiftBlade.shared.createContractFunctionParameters()
    .addAddress(value: accountId)
    .addUInt64Array(value: [300_000, 300_000])
    .addUInt64Array(value: [6])
    .addUInt64Array(value: [2])

SwiftBlade.shared.getParamsSignature(params: parameters, accountPrivateKey: privateKeyHex) { result, error in
    print(result ?? error)
}

getTransactions

Get transactions history for account. Can be filtered by transaction type.

Transaction requested from mirror node. Every transaction requested for child transactions. Result are flattened.

If transaction type is not provided, all transactions will be returned.

If transaction type is CRYPTOTRANSFERTOKEN records will additionally contain plainData field with decoded data.

getTransactions(accountId: String, transactionType: String, nextPage: String = "", transactionsLimit: Int = 10, completion: @escaping (_ result: TransactionsHistoryData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

accountId

String

account id to get transactions for (0.0.xxxxx)

transactionType

String

one of enum MirrorNodeTransactionType or "CRYPTOTRANSFERTOKEN"

nextPage

String = ""

link to next page of transactions from previous request

transactionsLimit

Int = 10

number of transactions to return. Speed of request depends on this value if transactionType is set.

completion

@escaping (_ result: TransactionsHistoryData?, _ error: BladeJSError?) -> Void

result with TransactionsHistoryData type

Returns

TransactionsHistoryData transactions list

Example

SwiftBlade.shared.getTransactions(accountId: "0.0.10001", transactionType: "", nextPage: "", transactionsLimit: 5) { result, error in
    print(result ?? error)
}

getC14url

Get configured url for C14 integration (iframe or popup)

Deprecated now. Please use exchangeGetQuotes and getTradeUrl methods. Results aggregated on many providers, including C14

getC14url(asset: String, account: String, amount: String, completion: @escaping (_ result: IntegrationUrlData?, _ error: BladeJSError?) -> Void)

Parameters

Name

Type

Description

asset

String

USDC, HBAR, KARATE or C14 asset uuid

account

String

receiver account id (0.0.xxxxx)

amount

String

preset amount. May be overwritten if out of range (min/max)

completion

@escaping (_ result: IntegrationUrlData?, _ error: BladeJSError?) -> Void

result with IntegrationUrlData type

Returns

IntegrationUrlData url to open

Example

SwiftBlade.shared.getC14url(asset: "KARATE", account: "0.0.10001", amount: "1234") { result, error in
    print(result ?? error)
}

exchangeGetQuotes

Get quotes from different services for buy, sell or swap

exchangeGetQuotes( sourceCode: String, sourceAmount: Double, targetCode: String, strategy: CryptoFlowServiceStrategy, completion: @escaping (_ result: SwapQuotesData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

sourceCode

String

name (HBAR, KARATE, other token code)

sourceAmount

Double

amount to swap, buy or sell

targetCode

String

name (HBAR, KARATE, USDC, other token code)

strategy

CryptoFlowServiceStrategy

one of enum CryptoFlowServiceStrategy (Buy, Sell, Swap)

completion

@escaping (_ result: SwapQuotesData?, _ error: BladeJSError?) -> Void

result with SwapQuotesData type

Returns

SwapQuotesData quotes from different providers

Example

SwiftBlade.shared.exchangeGetQuotes(
    sourceCode: "EUR",
    sourceAmount: 50,
    targetCode: "HBAR",
    strategy: CryptoFlowServiceStrategy.BUY
) { result, error in
    print(result ?? error)
}

getTradeUrl

Get configured url to buy or sell tokens or fiat

getTradeUrl( strategy: CryptoFlowServiceStrategy, accountId: String, sourceCode: String, sourceAmount: Double, targetCode: String, slippage: Double, serviceId: String, _ redirectUrl: String = "", completion: @escaping (_ result: IntegrationUrlData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

strategy

CryptoFlowServiceStrategy

Buy / Sell

accountId

String

account id

sourceCode

String

name (HBAR, KARATE, USDC, other token code)

sourceAmount

Double

amount to buy/sell

targetCode

String

name (HBAR, KARATE, USDC, other token code)

slippage

Double

slippage in percents. Transaction will revert if the price changes unfavorably by more than this percentage.

serviceId

String

service id to use for swap (saucerswap, onmeta, etc)

redirectUrl

String = ""

url to redirect after final step

completion

@escaping (_ result: IntegrationUrlData?, _ error: BladeJSError?) -> Void

result with IntegrationUrlData type

Returns

IntegrationUrlData url to open

Example

SwiftBlade.shared.getTradeUrl(
    strategy: CryptoFlowServiceStrategy.BUY,
    accountId: "0.0.10001",
    sourceCode: "EUR",
    sourceAmount: 50,
    targetCode: "HBAR",
    slippage: 0.5,
    serviceId: "moonpay"
) { [self] result, error in
    print(result ?? error)
}

getExchangeStatus

Get exchange order status

getExchangeStatus( serviceId: String, orderId: String, completion: @escaping (_ result: TransakOrderInfoData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

serviceId

String

service id to use for swap (saucerswap, onmeta, etc)

orderId

String

order id of operation

completion

@escaping (_ result: TransakOrderInfoData?, _ error: BladeJSError?) -> Void

result with TransakOrderInfoData type

Returns

TransakOrderInfoData

Example

SwiftBlade.shared.getExchangeStatus(
    serviceId: "transak",
    orderId: "abaf28be-609f-49f4-a09a-e8e7ea7c8bd9"
) { [self] result, error in
    print(result ?? error)
}

swapTokens

Swap tokens

swapTokens( accountId: String, accountPrivateKey: String, sourceCode: String, sourceAmount: Double, targetCode: String, slippage: Double, serviceId: String, completion: @escaping (_ result: SwapResultData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

accountId

String

account id

accountPrivateKey

String

account private key

sourceCode

String

name (HBAR, KARATE, other token code)

sourceAmount

Double

amount to swap

targetCode

String

name (HBAR, KARATE, other token code)

slippage

Double

slippage in percents. Transaction will revert if the price changes unfavorably by more than this percentage.

serviceId

String

service id to use for swap (saucerswap, etc)

completion

@escaping (_ result: SwapResultData?, _ error: BladeJSError?) -> Void

result with SwapResultData type

Returns

SwapResultData swap result

Example

let accountId = "0.0.10001"
let accountPrivateKey = "302d300706052b8104000a032200029dc73991b0d9cd..."
let sourceCode = "USDC"
let targetCode = "KARATE"

SwiftBlade.shared.swapTokens(
    accountId: accountId,
    accountPrivateKey: accountPrivateKey,
    sourceCode: sourceCode,
    sourceAmount: 1,
    targetCode: targetCode,
    slippage: 0.5,
    serviceId: "saucerswap"
) { result, error in
    print(result ?? error)
}

createToken

Create token (NFT or Fungible Token)

createToken( treasuryAccountId: String, supplyPrivateKey: String, tokenName: String, tokenSymbol: String, isNft: Bool, keys: [KeyRecord], decimals: Int, initialSupply: Int, maxSupply: Int, completion: @escaping (_ result: CreateTokenData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

treasuryAccountId

String

treasury account id

supplyPrivateKey

String

tokenName

String

tokenSymbol

String

isNft

Bool

keys

[KeyRecord]

decimals

Int

initialSupply

Int

maxSupply

Int

completion

@escaping (_ result: CreateTokenData?, _ error: BladeJSError?) -> Void

Returns

CreateTokenData token id

Example

let keys = [
    KeyRecord(privateKey: adminPrivateKey, type: KeyType.admin)
]

SwiftBlade.shared.createToken(
    treasuryAccountId: accountId,
    supplyPrivateKey: privateKey,
    tokenName: "Blade Demo Token",
    tokenSymbol: "GD",
    isNft: true,
    keys: keys,
    decimals: 0,
    initialSupply: 0,
    maxSupply: 250
) { result, error in
    print(result ?? error)
}

associateToken

Associate token to account. Association fee will be covered by PayMaster, if tokenId configured in dApp

associateToken( tokenIdOrCampaign: String, accountId: String, accountPrivateKey: String, completion: @escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

tokenIdOrCampaign

String

accountId

String

accountPrivateKey

String

completion

@escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void

Returns

TransactionReceiptData receipt

Example

SwiftBlade.shared.associateToken(
    tokenIdOrCampaign: "0.0.1337",
    accountId: "0.0.10001",
    accountPrivateKey: "302d300706052b8104000a032200029dc73991b0d9cd..."
) { result, error in
    print(result ?? error)
}

brokenMnemonicEmergencyTransfer

Emergency balance transfer from broken mnemonic account to new account

Accounts with broken mnemonic sometimes were created because of hedera-sdk issue

To transfer funds from broken mnemonic account to new account a couple of steps required:

Create new account
Associate all tokens with new account that you want to transfer
Call this method to transfer funds to new account
Send some HBAR to broken mnemonic account to cover fees if needed

brokenMnemonicEmergencyTransfer( seedPhrase: String, accountId: String, receiverId: String, hbarAmount: String, tokenList: [String], checkOnly: Bool, completion: @escaping (_ result: EmergencyTransferData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

seedPhrase

String

mnemonic from account

accountId

String

account id (broken)

receiverId

String

new account id

hbarAmount

String

amount of HBAR to resque. Can be 0

tokenList

[String]

list of token ids to transfer all tokens. Up to 9 at once. Can be empty

checkOnly

Bool

if true, will only check if mnemonic is broken. No transfer will be made

completion

@escaping (_ result: EmergencyTransferData?, _ error: BladeJSError?) -> Void

Returns

EmergencyTransferData

Example

SwiftBlade.shared.brokenMnemonicEmergencyTransfer(
    seedPhrase: "marriage bounce fiscal express wink wire trick allow faith mandate base bone",
    accountId: "0.0.10001",
    receiverId: "0.0.234567",
    hbarAmount: "0.5",
    tokenList: ["0.0.1337"],
    checkOnly: false
) { result, error in
    print(result ?? error)
}

nftMint

Mint one NFT

nftMint( tokenId: String, supplyAccountId: String, supplyPrivateKey: String, file: String, metadata: [String: String], storageConfig: IPFSProviderConfig, completion: @escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void )

Parameters

Name

Type

Description

tokenId

String

token id to mint NFT

supplyAccountId

String

token supply account id

supplyPrivateKey

String

token supply private key

file

String

image to mint (base64 DataUrl image, eg.: data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAA...)

metadata

[String: String]

NFT metadata

storageConfig

IPFSProviderConfig

IPFS provider config

completion

@escaping (_ result: TransactionReceiptData?, _ error: BladeJSError?) -> Void

callback function, with result of CreateTokenData or BladeJSError

Returns

TransactionReceiptData receipt

Example

SwiftBlade.shared.nftMint(
    tokenId: "0.0.13377",
    supplyAccountId: "0.0.10001",
    supplyPrivateKey: "302d300706052b8104000a032200029dc73991b0d9cd...",
    file: "data:image/png;base64,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",
    metadata: [
        "name": "NFTitle",
        "score": "10",
        "power": "4",
        "intelligence": "6",
        "speed": "10"
    ],
    storageConfig: IPFSProviderConfig(
        provider: IPFSProvider.pinata,
        token: "eyJhbGciOiJIUzI1NiIsI.................cYOwssdZgiYaug4aF8ZrvMBdkTASojWGU"
    )
) { result, error in
    print(result ?? error)
}

cleanup

Method to clean-up webView

cleanup()

PreviousGetting Started NextData types

Last updated 2 months ago

Contents

Methods

initialize

getInfo

getBalance

getCoinList

getCoinPrice

transferHbars

transferTokens

createScheduleTransaction

signScheduleId

createHederaAccount

getPendingAccount

deleteHederaAccount

getAccountInfo

getNodeList

stakeToNode

getKeysFromMnemonic

searchAccounts

dropTokens

sign

signVerify

createContractFunctionParameters

contractCallFunction

contractCallQueryFunction

ethersSign

splitSignature

getParamsSignature

getTransactions

getC14url

exchangeGetQuotes

getTradeUrl

getExchangeStatus

swapTokens

createToken

associateToken

brokenMnemonicEmergencyTransfer

nftMint

cleanup