Queries

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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
​AccountBalanceQuery​
​TopicInfoQuery​
​TokenBalanceQuery​
​FileContentsQuery​
​ContractCallQuery​
​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
1
//Create the query request
2
AccountBalanceQuery query = new AccountBalanceQuery()
3
     .setAccountId(accountId);
4
​
5
//Get the cost of the query
6
Hbar queryCost = query.getCost(client);
7
​
8
System.out.println("The account balance query cost is " +queryCost);
9
​
10
//v2.0.0
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JavaScript
1
//Create the query request
2
const query = new AccountBalanceQuery()
3
     .setAccountId(accountId);
4
​
5
//Get the cost of the query
6
const queryCost = await query.getCost(client);
7
​
8
console.log("The account balance query cost is " +queryCost);
9
​
10
//v2.0.0
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Go
1
//Create the query request
2
query := hedera.NewAccountBalanceQuery().
3
     SetAccountID(newAccountId)
4
​
5
//Get the cost of the query
6
cost, err := query.GetCost(client)
7
​
8
if err != nil {
9
		panic(err)
10
}
11
​
12
fmt.Printf("The account balance query cost is: %v\n ", cost.String())
13
​
14
//v2.0.0
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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
1
//Create the query request
2
AccountBalanceQuery query = new AccountBalanceQuery()
3
     .setAccountId(accountId);
4
​
5
//Get the cost of the query
6
long queryCost = query.getCost(client);
7
​
8
System.out.println("The account balance query cost is " +queryCost);
9
​
10
//v1.3.2
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JavaScript
1
//Create the query request
2
const query = new AccountBalanceQuery()
3
     .setAccountId(accountId);
4
​
5
//Get the cost of the query
6
const queryCost = await query.getCost(client);
7
​
8
console.log("The account balance query cost is " +queryCost);
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​
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General Network Response Messages
Last modified 6d ago
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Get Query Cost
Get Query Cost

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