Queries

Queries are requests that do not require network consensus. Queries are processed only by the single node the request is sent to. Below is a list of network queries by service.
Cryptocurrency Accounts
Consensus
Tokens
File Service
Smart Contracts
Schedule Service
​AccountBalanceQuery​
​TopicInfoQuery​
​TokenBalanceQuery​
​FileContentsQuery​
​ContractCallQuery​
​ScheduleInfoQuery​
​AccountInfoQuery​
​TopicMessageQuery​
​TokenInfoQuery​
​FileInfoQuery​
​ContractByteCodeQuery​
​
Get Query Cost
A query that returns the cost of a query prior to submitting the query to network node for processing. If the cost of the query greater than the default max query payment (1 hbar) you can use setMaxQueryPayment(<hbar>) to change the default.
V2
V1
Method
Type
Description
getCost(<client>)
Client
Get the cost of the query in Hbar
getCost(<client, timeout>)
Client, Duration
The max length of time the sdk will attempt to retry for in the event of repeated busy responses from node(s)
getCostAsync(<client>)
Client
Get the cost of a query asynchronously
Java
//Create the query request
AccountBalanceQuery query = new AccountBalanceQuery()
     .setAccountId(accountId);
​
//Get the cost of the query
Hbar queryCost = query.getCost(client);
​
System.out.println("The account balance query cost is " +queryCost);
​
//v2.0.0
JavaScript
//Create the query request
const query = new AccountBalanceQuery()
     .setAccountId(accountId);
​
//Get the cost of the query
const queryCost = await query.getCost(client);
​
console.log("The account balance query cost is " +queryCost);
​
//v2.0.0
Go
//Create the query request
query := hedera.NewAccountBalanceQuery().
     SetAccountID(newAccountId)
​
//Get the cost of the query
cost, err := query.GetCost(client)
​
if err != nil {
		panic(err)
}
​
fmt.Printf("The account balance query cost is: %v\n ", cost.String())
​
//v2.0.0
Method
Type
Description
getCost(<client>)
Client
Get the cost of the query in long representation
getCostAsync(<client, withCost, onError>)
Client, Consumer<long>, Consumer<HederaThrowable>
Get the cost of a query asynchronously
Java
//Create the query request
AccountBalanceQuery query = new AccountBalanceQuery()
     .setAccountId(accountId);
​
//Get the cost of the query
long queryCost = query.getCost(client);
​
System.out.println("The account balance query cost is " +queryCost);
​
//v1.3.2
JavaScript
//Create the query request
const query = new AccountBalanceQuery()
     .setAccountId(accountId);
​
//Get the cost of the query
const queryCost = await query.getCost(client);
​
console.log("The account balance query cost is " +queryCost);
​

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General Network Response Messages

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Get Query Cost

Get Query Cost

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