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limit unrolling when searching for a snapshot. #159
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PlasmaPower
reviewed
Sep 2, 2022
PlasmaPower
reviewed
Oct 14, 2022
core/blockchain.go
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@@ -618,6 +632,14 @@ func (bc *BlockChain) setHeadBeyondRoot(head uint64, root common.Hash, repair bo | |||
log.Debug("Rewound to block with state", "number", newHeadBlock.NumberU64(), "hash", newHeadBlock.Hash()) | |||
break | |||
} | |||
if lastFullBlock != 0 && rewindLimit > 0 { | |||
gasRolledBack += newHeadBlock.GasUsed() |
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We need to subtract out the gas used for L1 in receipts for arbitrum
PlasmaPower
approved these changes
Oct 18, 2022
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LGTM
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Unrolling to find snapshot could save a lot of time avoiding the need to regenerate it, but it could also force a too-long rewind which is just not worth it. Allow user to set a gas-limit to decide.