// loadManager returns a new stake manager that results from loading it from
// the passed opened database. The public passphrase is required to decrypt the
// public keys.
func (s *StakeStore) loadOwnedSStxs(ns walletdb.ReadBucket) error {
// Regenerate the list of tickets.
// Perform all database lookups in a read-only view.
ticketList := make(map[chainhash.Hash]struct{})
// Open the sstx records database.
bucket := ns.NestedReadBucket(sstxRecordsBucketName)
// Store each key sequentially.
err := bucket.ForEach(func(k []byte, v []byte) error {
var errNewHash error
var hash *chainhash.Hash
hash, errNewHash = chainhash.NewHash(k)
if errNewHash != nil {
return errNewHash
}
ticketList[*hash] = struct{}{}
return nil
})
if err != nil {
return err
}
s.ownedSStxs = ticketList
return nil
}
// rangeUnminedTransactions executes the function f with TxDetails for every
// unmined transaction. f is not executed if no unmined transactions exist.
// Error returns from f (if any) are propigated to the caller. Returns true
// (signaling breaking out of a RangeTransactions) iff f executes and returns
// true.
func (s *Store) rangeUnminedTransactions(ns walletdb.ReadBucket, f func([]TxDetails) (bool, error)) (bool, error) {
var details []TxDetails
err := ns.NestedReadBucket(bucketUnmined).ForEach(func(k, v []byte) error {
if len(k) < 32 {
str := fmt.Sprintf("%s: short key (expected %d "+
"bytes, read %d)", bucketUnmined, 32, len(k))
return storeError(ErrData, str, nil)
}
var txHash chainhash.Hash
copy(txHash[:], k)
detail, err := s.unminedTxDetails(ns, &txHash, v)
if err != nil {
return err
}
// Because the key was created while foreach-ing over the
// bucket, it should be impossible for unminedTxDetails to ever
// successfully return a nil details struct.
details = append(details, *detail)
return nil
})
if err == nil && len(details) > 0 {
return f(details)
}
return false, err
}
func (s *Store) unminedTxHashes(ns walletdb.ReadBucket) ([]*chainhash.Hash, error) {
var hashes []*chainhash.Hash
err := ns.NestedReadBucket(bucketUnmined).ForEach(func(k, v []byte) error {
hash := new(chainhash.Hash)
err := readRawUnminedHash(k, hash)
if err == nil {
hashes = append(hashes, hash)
}
return err
})
return hashes, err
}
// fetchSStxRecord retrieves a tx record from the sstx records bucket
// with the given hash.
func fetchSStxRecord(ns walletdb.ReadBucket, hash *chainhash.Hash) (*sstxRecord, error) {
bucket := ns.NestedReadBucket(sstxRecordsBucketName)
key := hash.Bytes()
val := bucket.Get(key)
if val == nil {
str := fmt.Sprintf("missing sstx record for hash '%s'", hash.String())
return nil, stakeStoreError(ErrSStxNotFound, str, nil)
}
return deserializeSStxRecord(val)
}
// fetchMeta fetches a v from a k in the meta bucket.
func fetchMeta(ns walletdb.ReadBucket, key []byte) (int32, error) {
bucket := ns.NestedReadBucket(metaBucketName)
val := bucket.Get(key)
// Return 0 if the metadata is uninitialized
if val == nil {
return 0, nil
}
if val == nil {
str := fmt.Sprintf("meta key not found %s", key)
return 0, stakeStoreError(ErrDatabase, str, nil)
}
return int32(byteOrder.Uint32(val)), nil
}
// dumpSSRtxTickets fetches the entire list of tickets spent as revocations
// byt this wallet.
func (s *StakeStore) dumpSSRtxTickets(ns walletdb.ReadBucket) ([]chainhash.Hash, error) {
var ticketList []chainhash.Hash
// Open the revocation records database.
bucket := ns.NestedReadBucket(ssrtxRecordsBucketName)
// Store each hash sequentially.
err := bucket.ForEach(func(k []byte, v []byte) error {
ticket, errDeser := chainhash.NewHash(k)
if errDeser != nil {
return errDeser
}
ticketList = append(ticketList, *ticket)
return nil
})
return ticketList, err
}
// dumpSSRtxHashes fetches the entire list of revocations generated by this
// wallet.
func (s *StakeStore) dumpSSRtxHashes(ns walletdb.ReadBucket) ([]chainhash.Hash, error) {
var revocationList []chainhash.Hash
// Open the revocation records database.
bucket := ns.NestedReadBucket(ssrtxRecordsBucketName)
// Store each hash sequentially.
err := bucket.ForEach(func(k []byte, v []byte) error {
rec, errDeser := deserializeSSRtxRecord(v)
if errDeser != nil {
return errDeser
}
revocationList = append(revocationList, rec.txHash)
return nil
})
return revocationList, err
}
// fetchStakePoolUserTickets retrieves pool user tickets from the meta bucket with
// the given hash.
func fetchStakePoolUserTickets(ns walletdb.ReadBucket,
scriptHash [20]byte) ([]*PoolTicket, error) {
bucket := ns.NestedReadBucket(metaBucketName)
key := make([]byte, stakePoolTicketsPrefixSize+scriptHashSize)
copy(key[0:stakePoolTicketsPrefixSize], stakePoolTicketsPrefix)
copy(key[stakePoolTicketsPrefixSize:stakePoolTicketsPrefixSize+scriptHashSize],
scriptHash[:])
val := bucket.Get(key)
if val == nil {
str := fmt.Sprintf("missing pool user ticket records for hash '%x'",
scriptHash)
return nil, stakeStoreError(ErrPoolUserTicketsNotFound, str, nil)
}
return deserializeUserTickets(val)
}
// fetchSStxRecordVoteBits fetches an individual ticket's intended voteBits
// which are used to override the default voteBits when voting.
func fetchSStxRecordVoteBits(ns walletdb.ReadBucket, hash *chainhash.Hash) (bool,
stake.VoteBits, error) {
bucket := ns.NestedReadBucket(sstxRecordsBucketName)
key := hash.Bytes()
val := bucket.Get(key)
if val == nil {
str := fmt.Sprintf("missing sstx record for hash '%s'", hash.String())
return false, stake.VoteBits{}, stakeStoreError(ErrSStxNotFound, str, nil)
}
valLen := len(val)
valCopy := make([]byte, valLen, valLen)
copy(valCopy, val)
// Move the cursor to the voteBits position and rewrite it.
curPos := 0
curPos += int64Size
curPos += int32Size
// Read the intended votebits length (uint8). If it is unset, return now.
// Check it for sanity.
voteBitsLen := uint8(val[curPos])
if voteBitsLen == 0 {
return false, stake.VoteBits{}, nil
}
if voteBitsLen < 2 || voteBitsLen > stake.MaxSingleBytePushLength {
str := fmt.Sprintf("corrupt votebits length '%v'", voteBitsLen)
return false, stake.VoteBits{}, stakeStoreError(ErrData, str, nil)
}
curPos += int8Size
// Read the first two bytes for the intended votebits.
voteBits := byteOrder.Uint16(valCopy[curPos : curPos+int16Size])
curPos += int16Size
// Retrieve the extended vote bits.
voteBitsExt := make([]byte, voteBitsLen-int16Size)
copy(voteBitsExt[:], valCopy[curPos:(curPos+int(voteBitsLen)-int16Size)])
return true, stake.VoteBits{Bits: voteBits, ExtendedBits: voteBitsExt}, nil
}
func (s *Store) unminedTxRecords(ns walletdb.ReadBucket) (map[chainhash.Hash]*TxRecord, error) {
unmined := make(map[chainhash.Hash]*TxRecord)
err := ns.NestedReadBucket(bucketUnmined).ForEach(func(k, v []byte) error {
var txHash chainhash.Hash
err := readRawUnminedHash(k, &txHash)
if err != nil {
return err
}
rec := new(TxRecord)
err = readRawTxRecord(&txHash, v, rec)
if err != nil {
return err
}
unmined[rec.Hash] = rec
return nil
})
return unmined, err
}
// dumpSSGenHashes fetches and returns the entire list of votes generated by
// this wallet, including votes that were produced but were never included in
// the blockchain.
func (s *StakeStore) dumpSSGenHashes(ns walletdb.ReadBucket) ([]chainhash.Hash, error) {
var voteList []chainhash.Hash
// Open the vite records database.
bucket := ns.NestedReadBucket(ssgenRecordsBucketName)
// Store each hash sequentially.
err := bucket.ForEach(func(k []byte, v []byte) error {
recs, errDeser := deserializeSSGenRecords(v)
if errDeser != nil {
return errDeser
}
for _, rec := range recs {
voteList = append(voteList, rec.txHash)
}
return nil
})
return voteList, err
}
// stakeStoreExists returns whether or not the stake store has already
// been created in the given database namespace.
func stakeStoreExists(ns walletdb.ReadBucket) bool {
mainBucket := ns.NestedReadBucket(mainBucketName)
return mainBucket != nil
}
func (s *Store) debugBucketUnspentString(ns walletdb.ReadBucket,
inclUnmined bool) (string, error) {
var unspent []*unspentDebugData
var op wire.OutPoint
var block Block
err := ns.NestedReadBucket(bucketUnspent).ForEach(func(k, v []byte) error {
err := readCanonicalOutPoint(k, &op)
if err != nil {
return err
}
existsUnmined := false
if existsRawUnminedInput(ns, k) != nil {
// Skip including unmined if specified.
if !inclUnmined {
return nil
}
existsUnmined = true
}
err = readUnspentBlock(v, &block)
if err != nil {
return err
}
thisUnspentOutput := &unspentDebugData{
op,
existsUnmined,
block.Hash,
block.Height,
}
unspent = append(unspent, thisUnspentOutput)
return nil
})
if err != nil {
if _, ok := err.(Error); ok {
return "", err
}
str := "failed iterating unspent bucket"
return "", storeError(ErrDatabase, str, err)
}
sort.Sort(ByOutpoint(unspent))
var buffer bytes.Buffer
str := fmt.Sprintf("Unspent outputs\n\n")
buffer.WriteString(str)
// Create a buffer, dump all the data into it, and hash.
var thumbprintBuf bytes.Buffer
for _, udd := range unspent {
str = fmt.Sprintf("Hash: %v, Index: %v, Tree: %v, Unmined: %v, "+
"Block: %v, Block height: %v\n",
udd.outPoint.Hash,
udd.outPoint.Index,
udd.outPoint.Tree,
udd.unmined,
udd.block,
udd.blockHeight)
buffer.WriteString(str)
writeUnspentDebugDataToBuf(&thumbprintBuf, udd)
}
unspentHash := chainhash.HashFunc(thumbprintBuf.Bytes())
unspentThumbprint, err := chainhash.NewHash(unspentHash[:])
if err != nil {
return "", err
}
str = fmt.Sprintf("\nUnspent outputs thumbprint: %v",
unspentThumbprint)
buffer.WriteString(str)
return buffer.String(), nil
}