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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package generickv
import (
"github.com/algorand/go-algorand/data/basics"
"github.com/algorand/go-algorand/ledger/store/trackerdb"
"github.com/algorand/go-algorand/protocol"
)
type onlineAccountsWriter struct {
kvw KvWrite
}
type onlineAccountRef struct {
addr basics.Address
normBalance uint64
round basics.Round
}
func (ref onlineAccountRef) OnlineAccountRefMarker() {}
// MakeOnlineAccountsWriter constructs an kv agnostic OnlineAccountsWriter
func MakeOnlineAccountsWriter(kvw KvWrite) trackerdb.OnlineAccountsWriter {
return &onlineAccountsWriter{kvw}
}
func (w *onlineAccountsWriter) InsertOnlineAccount(addr basics.Address, normBalance uint64, data trackerdb.BaseOnlineAccountData, updRound uint64, voteLastValid uint64) (ref trackerdb.OnlineAccountRef, err error) {
raw := protocol.Encode(&data)
rnd := basics.Round(updRound)
// write to the online account key
key := onlineAccountKey(addr, rnd)
err = w.kvw.Set(key[:], raw)
if err != nil {
return nil, err
}
// write to the secondary account balance key
// TODO: this is not the most efficient use of space, but its a tradeoff with a second lookup per object.
// this impacts `AccountsOnlineTop`, and some experiments will be needed to determine if we do extra lookups or duplicate the values.
bKey := onlineAccountBalanceKey(rnd, normBalance, addr)
err = w.kvw.Set(bKey[:], raw)
if err != nil {
return nil, err
}
return onlineAccountRef{addr, normBalance, rnd}, nil
}
func (w *onlineAccountsWriter) Close() {
}
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