You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.2 KiB
49 lines
1.2 KiB
package proxy
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/tendermint/tendermint/lite"
|
|
certerr "github.com/tendermint/tendermint/lite/errors"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
func ValidateBlockMeta(meta *types.BlockMeta, check lite.Commit) error {
|
|
if meta == nil {
|
|
return errors.New("expecting a non-nil BlockMeta")
|
|
}
|
|
// TODO: check the BlockID??
|
|
return ValidateHeader(meta.Header, check)
|
|
}
|
|
|
|
func ValidateBlock(meta *types.Block, check lite.Commit) error {
|
|
if meta == nil {
|
|
return errors.New("expecting a non-nil Block")
|
|
}
|
|
err := ValidateHeader(meta.Header, check)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !bytes.Equal(meta.Data.Hash(), meta.Header.DataHash) {
|
|
return errors.New("Data hash doesn't match header")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func ValidateHeader(head *types.Header, check lite.Commit) error {
|
|
if head == nil {
|
|
return errors.New("expecting a non-nil Header")
|
|
}
|
|
// make sure they are for the same height (obvious fail)
|
|
if head.Height != check.Height() {
|
|
return certerr.ErrHeightMismatch(head.Height, check.Height())
|
|
}
|
|
// check if they are equal by using hashes
|
|
chead := check.Header
|
|
if !bytes.Equal(head.Hash(), chead.Hash()) {
|
|
return errors.New("Headers don't match")
|
|
}
|
|
return nil
|
|
}
|