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Fix for nil parent (#1802)

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Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
This commit is contained in:
ledgerwatch 2021-04-25 14:36:38 +01:00 committed by GitHub
parent 3af0b9b591
commit 302e85ba1e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 18 deletions
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27
consensus/clique/verifier.go
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@ -2,7 +2,6 @@ package clique
import (
"bytes"
"fmt"
"time"
"github.com/ledgerwatch/turbo-geth/common"
@ -18,22 +17,6 @@ import (
// looking those up from the database. This is useful for concurrently verifying
// a batch of new headers.
func (c *Clique) verifyHeader(chain consensus.ChainHeaderReader, header *types.Header, parents []*types.Header) error {
// Verify the header's EIP-1559 attributes.
if chain.Config().IsAleut(header.Number.Uint64()) {
var parent *types.Header
if len(parents) > 0 {
parent = parents[len(parents)-1]
} else {
parent = chain.GetHeader(header.ParentHash, header.Number.Uint64()-1)
if parent == nil {
return fmt.Errorf("could not find parent with hash %x and number %x in db", header.ParentHash, header.Number.Uint64()-1)
}
}
if err := misc.VerifyEip1559Header(parent, header, chain.Config().IsAleut(parent.Number.Uint64())); err != nil {
return err
}
}
if header.Number == nil {
return errUnknownBlock
}
@ -118,7 +101,15 @@ func (c *Clique) verifyCascadingFields(chain consensus.ChainHeaderReader, header
parent = parents[len(parents)-1]
} else {
parent = chain.GetHeader(header.ParentHash, number-1)
parents = []*types.Header{parent}
}
if parent == nil || parent.Number.Uint64() != number-1 || parent.Hash() != header.ParentHash {
return consensus.ErrUnknownAncestor
}
// Verify the header's EIP-1559 attributes.
if chain.Config().IsAleut(header.Number.Uint64()) {
if err := misc.VerifyEip1559Header(parent, header, chain.Config().IsAleut(parent.Number.Uint64())); err != nil {
return err
}
}
if parent.Time+c.config.Period > header.Time {