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Optimize GetHeader() and GetBlock() #1039

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merged 2 commits into from
Aug 20, 2019
Merged

Optimize GetHeader() and GetBlock() #1039

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ea15de7
Optimize `GetHeader()` and `GetBlock()`
erikzhang Aug 19, 2019
7aa7701
Merge branch 'master' into optimize/GetHeader
lock9 Aug 20, 2019
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2 changes: 2 additions & 0 deletions neo/Persistence/Helper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ public static bool ContainsTransaction(this IPersistence persistence, UInt256 ha

public static Block GetBlock(this IPersistence persistence, uint index)
{
if (index == 0) return Blockchain.GenesisBlock;
UInt256 hash = Blockchain.Singleton.GetBlockHash(index);
if (hash == null) return null;
return persistence.GetBlock(hash);
Expand All @@ -35,6 +36,7 @@ public static Block GetBlock(this IPersistence persistence, UInt256 hash)

public static Header GetHeader(this IPersistence persistence, uint index)
{
if (index == 0) return Blockchain.GenesisBlock.Header;
UInt256 hash = Blockchain.Singleton.GetBlockHash(index);
if (hash == null) return null;
return persistence.GetHeader(hash);
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