Files
tendermint/lite/proxy/verifier.go
Marko 044f1bf288 format: add format cmd & goimport repo (#4586)
* format: add format cmd & goimport repo

- replaced format command
- added goimports to format command
- ran goimports

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* fix outliers & undo proto file changes
2020-03-23 09:19:26 +01:00

50 lines
1.5 KiB
Go

package proxy
import (
"github.com/pkg/errors"
dbm "github.com/tendermint/tm-db"
log "github.com/tendermint/tendermint/libs/log"
"github.com/tendermint/tendermint/lite"
lclient "github.com/tendermint/tendermint/lite/client"
)
func NewVerifier(
chainID,
rootDir string,
client lclient.SignStatusClient,
logger log.Logger,
cacheSize int,
) (*lite.DynamicVerifier, error) {
logger = logger.With("module", "lite/proxy")
logger.Info("lite/proxy/NewVerifier()...", "chainID", chainID, "rootDir", rootDir, "client", client)
memProvider := lite.NewDBProvider("trusted.mem", dbm.NewMemDB()).SetLimit(cacheSize)
lvlProvider := lite.NewDBProvider("trusted.lvl", dbm.NewDB("trust-base", dbm.GoLevelDBBackend, rootDir))
trust := lite.NewMultiProvider(
memProvider,
lvlProvider,
)
source := lclient.NewProvider(chainID, client)
cert := lite.NewDynamicVerifier(chainID, trust, source)
cert.SetLogger(logger) // Sets logger recursively.
// TODO: Make this more secure, e.g. make it interactive in the console?
_, err := trust.LatestFullCommit(chainID, 1, 1<<63-1)
if err != nil {
logger.Info("lite/proxy/NewVerifier found no trusted full commit, initializing from source from height 1...")
fc, err := source.LatestFullCommit(chainID, 1, 1)
if err != nil {
return nil, errors.Wrap(err, "fetching source full commit @ height 1")
}
err = trust.SaveFullCommit(fc)
if err != nil {
return nil, errors.Wrap(err, "saving full commit to trusted")
}
}
return cert, nil
}