Files
tendermint/lite/proxy/verifier.go
Phil Salant bc572217c0 Fix linter errors thrown by lll (#3970)
* Fix long line errors in abci, crypto, and libs packages

* Fix long lines in p2p and rpc packages

* Fix long lines in abci, state, and tools packages

* Fix long lines in behaviour and blockchain packages

* Fix long lines in cmd and config packages

* Begin fixing long lines in consensus package

* Finish fixing long lines in consensus package

* Add lll exclusion for lines containing URLs

* Fix long lines in crypto package

* Fix long lines in evidence package

* Fix long lines in mempool and node packages

* Fix long lines in libs package

* Fix long lines in lite package

* Fix new long line in node package

* Fix long lines in p2p package

* Ignore gocritic warning

* Fix long lines in privval package

* Fix long lines in rpc package

* Fix long lines in scripts package

* Fix long lines in state package

* Fix long lines in tools package

* Fix long lines in types package

* Enable lll linter
2019-10-17 10:42:28 +02:00

49 lines
1.5 KiB
Go

package proxy
import (
"github.com/pkg/errors"
log "github.com/tendermint/tendermint/libs/log"
"github.com/tendermint/tendermint/lite"
lclient "github.com/tendermint/tendermint/lite/client"
dbm "github.com/tendermint/tm-db"
)
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
}