Provider
Provider
provides access to a Hedera network to which requests should be submitted to. The Hedera network can be specified to previewnet
, testnet
, or mainnet
.The most important method on the provider interface is the
call
method which allows a user to submit any request and get the correct response for that request. For instance,Java// Balance of node account ID 0.0.3
const balance = provider.call(new AccountBalanceQuery().setAccountId(AccountId.fromString("0.0.3")));Interface Provider
getLedgerId()
->** LedgerId
**Returns the ledger ID of the current network.
getNetwork()
->** Map
< [key: string]: (string | AccountId)
>**Returns the entire network map for the current network.
getAccountBalance(
accountId: AccountId | string
)
->** Promise<AccountBalance>
**Get the balance for the specified account ID.
getAccountInfo(
accountId: AccountId | string
)
->** Promise<AccountInfo>
**Get the info for the specified account ID.
getAccountRecords(
accountId: AccountId | string
)
->** Promise<TransactionRecord[]>
**Get the account record for the specified account ID.
getTransactionReceipt(
transactionId:TransactionId
)
: TransactionReceipt
Get a receipt for the specified transaction ID.
waitForReceipt(
response: TransactionResponse
)
->** Promise<TransactionReceipt>
**Execute multiple
TransactionReceiptQuery
's until we get an erroring status code, or a success state code.call(
<RequestT, ResponseT, OutputT>(request: Executable<RequestT, ResponseT, OutputT>
)
->** Promise <Output>
**Responsible for serializing your request and sending it over the wire to be executed, and then deserializing the response into the appropriate type.
Last modified 4mo ago