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eth/api: fix potential nil deref in AccountRange (#21710)

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* Fix potential nil pointer error when neither block number nor hash is specified to accountRange

* Update error description
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aaronbuchwald 2020-10-20 14:19:21 -04:00 committed by GitHub
parent 9d25f34263
commit 3e82c9ef67
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1 changed files with 2 additions and 0 deletions
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eth/api.go
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@ -389,6 +389,8 @@ func (api *PublicDebugAPI) AccountRange(blockNrOrHash rpc.BlockNumberOrHash, sta
if err != nil { if err != nil {
return state.IteratorDump{}, err return state.IteratorDump{}, err
} }
} else {
return state.IteratorDump{}, errors.New("either block number or block hash must be specified")
} }
if maxResults > AccountRangeMaxResults || maxResults <= 0 { if maxResults > AccountRangeMaxResults || maxResults <= 0 {