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core/types: sanity check the basefee length inside a header (#23171)

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Péter Szilágyi 2021-07-06 23:02:38 +03:00 committed by GitHub
parent d21a069619
commit e13d14e6a3
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1 changed files with 5 additions and 0 deletions
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5
core/types/block.go
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@ -129,6 +129,11 @@ func (h *Header) SanityCheck() error {
if eLen := len(h.Extra); eLen > 100*1024 {
return fmt.Errorf("too large block extradata: size %d", eLen)
}
if h.BaseFee != nil {
if bfLen := h.BaseFee.BitLen(); bfLen > 256 {
return fmt.Errorf("too large base fee: bitlen %d", bfLen)
}
}
return nil
}