API Reference

Complete reference for OneKey’s Cardano provider methods and types.

Wallet Interface (CIP-30)

Property/Method	Description
`name`	Wallet name (‘OneKey’)
`icon`	Wallet icon URL
`apiVersion`	API version
`isEnabled()`	Check if enabled
`enable()`	Request wallet access

dApp API (after enable)

Method	Description
`getNetworkId()`	Get network (0=testnet, 1=mainnet)
`getBalance()`	Get total balance (CBOR)
`getUtxos(amount?, paginate?)`	Get UTxOs
`getUsedAddresses()`	Get used addresses
`getUnusedAddresses()`	Get unused addresses
`getChangeAddress()`	Get change address
`getRewardAddresses()`	Get staking addresses
`signTx(tx, partialSign?)`	Sign transaction
`signData(addr, payload)`	Sign data (CIP-8)
`submitTx(tx)`	Submit transaction

Experimental API

Method	Description
`experimental.getCollateral()`	Get collateral UTxOs
`experimental.on(event, cb)`	Subscribe to events
`experimental.off()`	Unsubscribe

Types


type Cbor = string // Hex-encoded CBOR
 
interface Paginate {
  page: number
  limit: number
}
 
interface Cip30DataSignature {
  signature: string // COSE_Sign1 hex
  key: string       // COSE_Key hex
}
 
type NetworkId = 0 | 1 // 0=testnet, 1=mainnet

Events

Event	Description
`accountChange`	Account changed

Error Codes

Code	Description
-1	User rejected
-2	Account not found
-3	Invalid network