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// Copyright (C) 2019-2023 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 (
"context"
"github.com/algorand/go-algorand/data/basics"
"github.com/algorand/go-algorand/ledger/ledgercore"
"github.com/algorand/go-algorand/ledger/store/trackerdb"
"github.com/algorand/go-algorand/protocol"
)
type stateproofWriter struct {
kvw KvWrite
}
// MakeStateproofWriter returns a trackerdb.SpVerificationCtxWriter for a KV
func MakeStateproofWriter(kvw KvWrite) trackerdb.SpVerificationCtxWriter {
return &stateproofWriter{kvw}
}
// StoreSPContexts implements trackerdb.SpVerificationCtxWriter
func (w *stateproofWriter) StoreSPContexts(ctx context.Context, verificationContext []*ledgercore.StateProofVerificationContext) error {
// SQL at the time of writing:
//
// INSERT INTO stateProofVerification
// (lastattestedround, verificationContext)
// VALUES
// (?, ?)
for i := range verificationContext {
// write stateproof entry
vc := verificationContext[i]
raw := protocol.Encode(vc)
key := stateproofKey(vc.LastAttestedRound)
err := w.kvw.Set(key[:], raw)
if err != nil {
return err
}
}
return nil
}
// DeleteOldSPContexts implements trackerdb.SpVerificationCtxWriter
func (w *stateproofWriter) DeleteOldSPContexts(ctx context.Context, earliestLastAttestedRound basics.Round) error {
// SQL at the time of writing:
//
// DELETE FROM stateproofverification
// WHERE lastattestedround < ?
start, end := stateproofRoundRangePrefix(earliestLastAttestedRound)
return w.kvw.DeleteRange(start[:], end[:])
}
// StoreSPContextsToCatchpointTbl implements trackerdb.SpVerificationCtxWriter
func (w *stateproofWriter) StoreSPContextsToCatchpointTbl(ctx context.Context, verificationContexts []ledgercore.StateProofVerificationContext) error {
// TODO: catchpoint
return nil
}
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