consensus/beacon: check ttd reached on pos blocks (#25552)
* consensus/beacon: check ttd reached on pos blocks * consensus/beacon: check ttd reached on pos blocks * consensus/beacon: check ttd reached on pos blocks
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@ -114,8 +114,16 @@ func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers [
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}
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}
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// All the headers have passed the transition point, use new rules.
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if len(preHeaders) == 0 {
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// All the headers are pos headers. Verify that the parent block reached total terminal difficulty.
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if reached, _ := IsTTDReached(chain, headers[0].ParentHash, headers[0].Number.Uint64()-1); !reached {
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// TTD not reached for the first block, mark subsequent with invalid terminal block
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results := make(chan error, len(headers))
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for i := 0; i < len(headers); i++ {
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results <- consensus.ErrInvalidTerminalBlock
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}
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return make(chan struct{}), results
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}
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return beacon.verifyHeaders(chain, headers, nil)
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}
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