Mov (#518)

[bytom/vapor.git] / database / wallet_store.go

diff --git a/database/wallet_store.go b/database/wallet_store.go
index d0bfa5a..d50464b 100644 (file)
--- a/database/wallet_store.go
+++ b/database/wallet_store.go
@@ -31,6 +31,7 @@ const (
        recoveryKey //recoveryKey key for db store recovery info.
 )
 
+// pre-define variables
 var (
        walletStore         = []byte("WS:")
        SUTXOPrefix         = append(walletStore, sutxoPrefix, colon)
@@ -66,10 +67,12 @@ func calcUnconfirmedTxKey(formatKey string) []byte {
        return append(UnconfirmedTxPrefix, []byte(formatKey)...)
 }
 
+// CalcGlobalTxIndexKey calculate tx hash index key
 func CalcGlobalTxIndexKey(txID string) []byte {
        return append(GlobalTxIndexPrefix, []byte(txID)...)
 }
 
+// CalcGlobalTxIndex calcuate the block index + position index key
 func CalcGlobalTxIndex(blockHash *bc.Hash, position uint64) []byte {
        txIdx := make([]byte, 40)
        copy(txIdx[:32], blockHash.Bytes())
@@ -109,7 +112,7 @@ func (store *WalletStore) InitBatch() wallet.WalletStore {
 // CommitBatch commit batch
 func (store *WalletStore) CommitBatch() error {
        if store.batch == nil {
-               return errors.New("WalletStore commit fail, store batch is nil.")
+               return errors.New("walletStore commit fail, store batch is nil")
        }
 
        store.batch.Write()
@@ -347,6 +350,7 @@ func (store *WalletStore) ListAccountUTXOs(id string, isSmartContract bool) ([]*
        return confirmedUTXOs, nil
 }
 
+// ListTransactions list tx by filter args
 func (store *WalletStore) ListTransactions(accountID string, StartTxID string, count uint, unconfirmed bool) ([]*query.AnnotatedTx, error) {
        annotatedTxs := []*query.AnnotatedTx{}
        var startKey []byte