Get file info
A query that returns the current state of a file. Queries do not change the state of the file or require network consensus. The information is returned from a single node processing the query.
Query Fees
Please see the transaction and query fees table for the base transaction fee
Please use the Hedera fee estimator to estimate your query fee cost
File Info Response
Field
Description
File ID
The Hedera ID of the file
Key(s)
The current admin key(s) on the account
Size
The number of bytes in the file contents
Expiration Time
The current time at which the file is set to expire
Deleted
Whether or not the file has been deleted
Ledger ID
The ID of the network the response came from. See HIP-198.
Memo
A short description, if any
Query Signing Requirements
The client operator account paying for the query fees is required to sign
new FileInfoQuery()
Initializes the FileInfoQuery object
new FileInfoQuery()
Methods
setFileId(<fileId>)
FileId
The ID of the file to get information for (x.y.z)
//Create the query
FileInfoQuery query = new FileInfoQuery()
.setFileId(fileId);
//Sign the query with the client operator private key and submit to a Hedera network
FileInfo getInfo = query.execute(client);
System.out.println("File info response: " +getInfo);
Sample Output:
FileInfo{
fileId=0.0.104926,
size=26,
expirationTime=2021-02-10T17:48:15Z,
deleted=false,
keys=[ 302a300506032b6570032100100059296cc51f5d362a3859d3c3c74c6a480cffad9d669a10c1d447ce56e5bf
]
}
Get query values
getFileId()
FileId
The ID of the file to get contents for (x.z.y)
//Create the query
FileInfoQuery query = new FileInfoQuery()
.setFileId(fileId);
//Get file ID
FileId getFileId = query.getFileId();
//v2.0.0
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