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eth/gasprice: sanitize max header and block history (#23886)

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Fixes #23452
This commit is contained in:
courtier 2021-11-18 19:20:36 +01:00 committed by GitHub
parent 16341e0563
commit c52def7f11
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 4 deletions
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17
eth/gasprice/gasprice.go
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@ -87,8 +87,7 @@ func NewOracle(backend OracleBackend, params Config) *Oracle {
if percent < 0 {
percent = 0
log.Warn("Sanitizing invalid gasprice oracle sample percentile", "provided", params.Percentile, "updated", percent)
}
if percent > 100 {
} else if percent > 100 {
percent = 100
log.Warn("Sanitizing invalid gasprice oracle sample percentile", "provided", params.Percentile, "updated", percent)
}
@ -104,6 +103,16 @@ func NewOracle(backend OracleBackend, params Config) *Oracle {
} else if ignorePrice.Int64() > 0 {
log.Info("Gasprice oracle is ignoring threshold set", "threshold", ignorePrice)
}
maxHeaderHistory := params.MaxHeaderHistory
if maxHeaderHistory < 1 {
maxHeaderHistory = 1
log.Warn("Sanitizing invalid gasprice oracle max header history", "provided", params.MaxHeaderHistory, "updated", maxHeaderHistory)
}
maxBlockHistory := params.MaxBlockHistory
if maxBlockHistory < 1 {
maxBlockHistory = 1
log.Warn("Sanitizing invalid gasprice oracle max block history", "provided", params.MaxBlockHistory, "updated", maxBlockHistory)
}
cache, _ := lru.New(2048)
headEvent := make(chan core.ChainHeadEvent, 1)
@ -125,8 +134,8 @@ func NewOracle(backend OracleBackend, params Config) *Oracle {
ignorePrice: ignorePrice,
checkBlocks: blocks,
percentile: percent,
maxHeaderHistory: params.MaxHeaderHistory,
maxBlockHistory: params.MaxBlockHistory,
maxHeaderHistory: maxHeaderHistory,
maxBlockHistory: maxBlockHistory,
historyCache: cache,
}
}