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webapi: New function /blockchain/file/update

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blockchain: Add readme.md. Add function ReplaceFiles.
This commit is contained in:
Kleissner
2021-10-13 20:09:09 +02:00
parent 336de68801
commit b556acb86c
6 changed files with 134 additions and 0 deletions
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17
blockchain/Blockchain File.go
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@@ -2,6 +2,8 @@
File Name: Blockchain File.go
Copyright: 2021 Peernet s.r.o.
Author: Peter Kleissner
Note that files include virtual folders as well for any operation.
*/
package blockchain
@@ -83,3 +85,18 @@ func (blockchain *Blockchain) DeleteFiles(IDs []uuid.UUID) (newHeight, newVersio
return
}
// ReplaceFiles is a convenience wrapper to replace files in the blockchain identified via their IDs. Status is BlockchainStatusX.
// If a file does not exist on the blockchain, it acts as add.
func (blockchain *Blockchain) ReplaceFiles(files []BlockRecordFile) (newHeight, newVersion uint64, status int) {
var deleteIDs []uuid.UUID
for n := range files {
deleteIDs = append(deleteIDs, files[n].ID)
}
if newHeight, newVersion, _, status = blockchain.DeleteFiles(deleteIDs); status != BlockchainStatusOK {
return
}
return blockchain.AddFiles(files)
}