forked from decred/dcrwallet
/
initialize.go
121 lines (112 loc) · 3.74 KB
/
initialize.go
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// Copyright (c) 2017 The Decred developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package udb
import (
"github.com/decred/dcrd/chaincfg"
"github.com/decred/dcrwallet/apperrors"
"github.com/decred/dcrwallet/walletdb"
)
func createBucketError(err error, bucketName string) error {
return apperrors.E{
ErrorCode: apperrors.ErrDatabase,
Description: "failed to create " + bucketName + " bucket",
Err: err,
}
}
// Initialize prepares an empty database for usage by initializing all buckets
// and key/value pairs. The database is initialized with the latest version and
// does not require any upgrades to use.
func Initialize(db walletdb.DB, params *chaincfg.Params, seed, pubPass, privPass []byte) error {
err := walletdb.Update(db, func(tx walletdb.ReadWriteTx) error {
addrmgrNs, err := tx.CreateTopLevelBucket(waddrmgrBucketKey)
if err != nil {
return createBucketError(err, "address manager")
}
txmgrNs, err := tx.CreateTopLevelBucket(wtxmgrBucketKey)
if err != nil {
return createBucketError(err, "transaction store")
}
stakemgrNs, err := tx.CreateTopLevelBucket(wstakemgrBucketKey)
if err != nil {
return createBucketError(err, "stake store")
}
// Create the address manager, transaction store, and stake store.
err = createAddressManager(addrmgrNs, seed, pubPass, privPass, params, &defaultScryptOptions)
if err != nil {
return err
}
err = createStore(txmgrNs, params)
if err != nil {
return err
}
err = initializeEmpty(stakemgrNs)
if err != nil {
return err
}
// Create the metadata bucket and write the current database version to
// it.
metadataBucket, err := tx.CreateTopLevelBucket(unifiedDBMetadata{}.rootBucketKey())
if err != nil {
return createBucketError(err, "metadata")
}
return unifiedDBMetadata{}.putVersion(metadataBucket, initialVersion)
})
switch err.(type) {
case nil:
case apperrors.E:
return err
default:
const str = "db update failed"
return apperrors.E{ErrorCode: apperrors.ErrDatabase, Description: str, Err: err}
}
return Upgrade(db, pubPass)
}
// InitializeWatchOnly prepares an empty database for watching-only wallet usage
// by initializing all buckets and key/value pairs. The database is initialized
// with the latest version and does not require any upgrades to use.
func InitializeWatchOnly(db walletdb.DB, params *chaincfg.Params, hdPubKey string, pubPass []byte) error {
err := walletdb.Update(db, func(tx walletdb.ReadWriteTx) error {
addrmgrNs, err := tx.CreateTopLevelBucket(waddrmgrBucketKey)
if err != nil {
return createBucketError(err, "address manager")
}
txmgrNs, err := tx.CreateTopLevelBucket(wtxmgrBucketKey)
if err != nil {
return createBucketError(err, "transaction store")
}
stakemgrNs, err := tx.CreateTopLevelBucket(wstakemgrBucketKey)
if err != nil {
return createBucketError(err, "stake store")
}
// Create the address manager, transaction store, and stake store.
err = createWatchOnly(addrmgrNs, hdPubKey, pubPass, params, &defaultScryptOptions)
if err != nil {
return err
}
err = createStore(txmgrNs, params)
if err != nil {
return err
}
err = initializeEmpty(stakemgrNs)
if err != nil {
return err
}
// Create the metadata bucket and write the current database version to
// it.
metadataBucket, err := tx.CreateTopLevelBucket(unifiedDBMetadata{}.rootBucketKey())
if err != nil {
return createBucketError(err, "metadata")
}
return unifiedDBMetadata{}.putVersion(metadataBucket, initialVersion)
})
switch err.(type) {
case nil:
case apperrors.E:
return err
default:
const str = "db update failed"
return apperrors.E{ErrorCode: apperrors.ErrDatabase, Description: str, Err: err}
}
return Upgrade(db, pubPass)
}