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Higher limit for total_difficulty.bit_len (#13820)

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This commit is contained in:
Debjit Bhowal
2025-01-16 21:14:15 +05:30
committed by GitHub
parent 2c21edfed5
commit 7df983802e
1 changed files with 6 additions and 6 deletions
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12
crates/net/eth-wire/src/ethstream.rs
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@ -158,12 +158,12 @@ where
} }
// TD at mainnet block #7753254 is 76 bits. If it becomes 100 million times // TD at mainnet block #7753254 is 76 bits. If it becomes 100 million times
// larger, it will still fit within 100 bits // larger, it will still fit within 160 bits
if status.total_difficulty.bit_len() > 100 { if status.total_difficulty.bit_len() > 160 {
self.inner.disconnect(DisconnectReason::ProtocolBreach).await?; self.inner.disconnect(DisconnectReason::ProtocolBreach).await?;
return Err(EthHandshakeError::TotalDifficultyBitLenTooLarge { return Err(EthHandshakeError::TotalDifficultyBitLenTooLarge {
got: status.total_difficulty.bit_len(), got: status.total_difficulty.bit_len(),
maximum: 100, maximum: 160,
} }
.into()) .into())
} }
@ -498,7 +498,7 @@ mod tests {
let status = Status { let status = Status {
version: EthVersion::Eth67, version: EthVersion::Eth67,
chain: NamedChain::Mainnet.into(), chain: NamedChain::Mainnet.into(),
total_difficulty: U256::from(2).pow(U256::from(100)), total_difficulty: U256::from(2).pow(U256::from(164)),
blockhash: B256::random(), blockhash: B256::random(),
genesis, genesis,
// Pass the current fork id. // Pass the current fork id.
@ -522,7 +522,7 @@ mod tests {
assert!(matches!( assert!(matches!(
handshake_res, handshake_res,
Err(EthStreamError::EthHandshakeError( Err(EthStreamError::EthHandshakeError(
EthHandshakeError::TotalDifficultyBitLenTooLarge { got: 101, maximum: 100 } EthHandshakeError::TotalDifficultyBitLenTooLarge { got: 165, maximum: 160 }
)) ))
)); ));
}); });
@ -539,7 +539,7 @@ mod tests {
assert!(matches!( assert!(matches!(
handshake_res, handshake_res,
Err(EthStreamError::EthHandshakeError( Err(EthStreamError::EthHandshakeError(
EthHandshakeError::TotalDifficultyBitLenTooLarge { got: 101, maximum: 100 } EthHandshakeError::TotalDifficultyBitLenTooLarge { got: 165, maximum: 160 }
)) ))
)); ));