forked from cerc-io/plugeth
core/types: sanity check the basefee length inside a header (#23171)
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@ -129,6 +129,11 @@ func (h *Header) SanityCheck() error {
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if eLen := len(h.Extra); eLen > 100*1024 {
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return fmt.Errorf("too large block extradata: size %d", eLen)
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}
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if h.BaseFee != nil {
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if bfLen := h.BaseFee.BitLen(); bfLen > 256 {
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return fmt.Errorf("too large base fee: bitlen %d", bfLen)
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}
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}
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return nil
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}
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