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c53ea091dd
In this commit the upgrade mechanism for database was added which makes he current schema rigid and upgradeable. Additional bucket 'metaBucket' was added which stores
key that house meta-data related to the current/version state of the database. 'createChannelDB' was modified to create this new bucket+key during initializing. Also
backup logic was added which makes a complete copy of the current database during migration process and restore the previous version of database if migration failed.
19 lines
664 B
Go
19 lines
664 B
Go
package channeldb
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import "fmt"
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var (
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ErrNoChanDBExists = fmt.Errorf("channel db has not yet been created")
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ErrNoActiveChannels = fmt.Errorf("no active channels exist")
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ErrChannelNoExist = fmt.Errorf("this channel does not exist")
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ErrNoPastDeltas = fmt.Errorf("channel has no recorded deltas")
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ErrInvoiceNotFound = fmt.Errorf("unable to locate invoice")
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ErrNoInvoicesCreated = fmt.Errorf("there are no existing invoices")
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ErrDuplicateInvoice = fmt.Errorf("invoice with payment hash already exists")
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ErrNodeNotFound = fmt.Errorf("link node with target identity not found")
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ErrMetaNotFound = fmt.Errorf("unable to locate meta information")
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)
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