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
File Service
Smart Contracts
AccountBalanceQuery
FileContentsQuery
ContractCallQuery
AccountInfoQuery
FileInfoQuery
ContractByteCodeQuery
AccountRecordQuery
​
ContractInfoQuery
​
​
ContractRecordQuery
The following methods can be called when building the above queries
Method
Type
Description
setQueryPayment(<paymentAmount>)
Hbar/long
Explicitly specify that the operator account is paying for the query; when the query is executed a payment transaction will be constructed with a transfer of this amount from the operator account to the node which will handle the query.
setMaxQueryPayment(<paymentAmount>)
Hbar/long
The maximum payment amount to be paid for this query. The actual payment amount may be less, but will never be greater than this value.
getCost(<client>)
Client
Returns the cost of the query prior to submitting the request
execute(<client>)
Client
Submits the transaction to the Hedera network

Transactions

General Errors

Last updated 5 months ago

Cryptocurrency Accounts	File Service	Smart Contracts
AccountBalanceQuery	FileContentsQuery	ContractCallQuery
AccountInfoQuery	FileInfoQuery	ContractByteCodeQuery
AccountRecordQuery		ContractInfoQuery
		ContractRecordQuery

Method	Type	Description
`setQueryPayment(<paymentAmount>)`	Hbar/long	Explicitly specify that the operator account is paying for the query; when the query is executed a payment transaction will be constructed with a transfer of this amount from the operator account to the node which will handle the query.
`setMaxQueryPayment(<paymentAmount>)`	Hbar/long	The maximum payment amount to be paid for this query. The actual payment amount may be less, but will never be greater than this value.
`getCost(<client>)`	Client	Returns the cost of the query prior to submitting the request
`execute(<client>)`	Client	Submits the transaction to the Hedera network