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package main
import (
acm "github.com/tendermint/tendermint/account"
. "github.com/tendermint/tendermint/cmd/barak/types"
)
func validate(signBytes []byte, validators []Validator, signatures []acm.Signature) bool {
var signedPower int64
var totalPower int64
for i, val := range validators {
if val.PubKey.VerifyBytes(signBytes, signatures[i]) {
signedPower += val.VotingPower
totalPower += val.VotingPower
} else {
totalPower += val.VotingPower
}
}
return signedPower > totalPower*2/3
}
/*
NOTE: Not used, just here in case we want it later.
func ValidateHandler(handler http.Handler, validators []Validator) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
sigStrs := r.Header[http.CanonicalHeaderKey("signatures")]
log.Info("Woot", "sigstrs", sigStrs, "len", len(sigStrs))
// from https://medium.com/@xoen/golang-read-from-an-io-readwriter-without-loosing-its-content-2c6911805361
// Read the content
var bodyBytes []byte
if r.Body != nil {
bodyBytes, _ = ioutil.ReadAll(r.Body)
}
// Restore the io.ReadCloser to its original state
r.Body = ioutil.NopCloser(bytes.NewBuffer(bodyBytes))
// Get body string
bodyString := string(bodyBytes)
// Also read the path+"?"+query
pathQuery := fmt.Sprintf("%v?%v", r.URL.Path, r.URL.RawQuery)
// Concatenate into tuple of two strings.
tuple := struct {
Body string
Path string
}{bodyString, pathQuery}
// Get sign bytes
signBytes := binary.BinaryBytes(tuple)
// Validate the sign bytes.
//if validate(signBytes, validators,
log.Info("Should sign", "bytes", signBytes)
// If validation fails
// XXX
// If validation passes
handler.ServeHTTP(w, r)
})
}
*/