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Add: add previous block state to the block header #3045

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Add: add previous block state to the block header #3045

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21c4cc9
add previous block state to the block header
Jim8y Dec 31, 2023
0c041dc
Merge branch 'master' into state-finality
Jim8y Dec 31, 2023
e2dfae6
Merge branch 'master' into state-finality
Jim8y Jan 2, 2024
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5 changes: 5 additions & 0 deletions src/Neo/Network/P2P/Payloads/Block.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,11 @@ public sealed class Block : IEquatable<Block>, IInventory
/// </summary>
public UInt256 PrevHash => Header.PrevHash;

/// <summary>
/// The state root of the previous block.
/// </summary>
public UInt256 PrevState => Header.PrevState;

/// <summary>
/// The merkle root of the transactions.
/// </summary>
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11 changes: 11 additions & 0 deletions src/Neo/Network/P2P/Payloads/Header.cs
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Expand Up @@ -27,6 +27,7 @@ public sealed class Header : IEquatable<Header>, IVerifiable
{
private uint version;
private UInt256 prevHash;
private UInt256 prevState;
private UInt256 merkleRoot;
private ulong timestamp;
private ulong nonce;
Expand Down Expand Up @@ -57,6 +58,12 @@ public UInt256 PrevHash
set { prevHash = value; _hash = null; }
}

public UInt256 PrevState
{
get => prevState;
set { prevState = value; }
}

/// <summary>
/// The merkle root of the transactions.
/// </summary>
Expand Down Expand Up @@ -127,6 +134,7 @@ public UInt256 Hash
public int Size =>
sizeof(uint) + // Version
UInt256.Length + // PrevHash
UInt256.Length + // PrevState
UInt256.Length + // MerkleRoot
sizeof(ulong) + // Timestamp
sizeof(ulong) + // Nonce
Expand Down Expand Up @@ -162,6 +170,7 @@ void IVerifiable.DeserializeUnsigned(ref MemoryReader reader)
version = reader.ReadUInt32();
if (version > 0) throw new FormatException();
prevHash = reader.ReadSerializable<UInt256>();
prevState = reader.ReadSerializable<UInt256>();
merkleRoot = reader.ReadSerializable<UInt256>();
timestamp = reader.ReadUInt64();
nonce = reader.ReadUInt64();
Expand Down Expand Up @@ -205,6 +214,7 @@ void IVerifiable.SerializeUnsigned(BinaryWriter writer)
{
writer.Write(version);
writer.Write(prevHash);
writer.Write(prevState);
writer.Write(merkleRoot);
writer.Write(timestamp);
writer.Write(nonce);
Expand All @@ -225,6 +235,7 @@ public JObject ToJson(ProtocolSettings settings)
json["size"] = Size;
json["version"] = version;
json["previousblockhash"] = prevHash.ToString();
json["previousblockstate"] = prevState.ToString();
json["merkleroot"] = merkleRoot.ToString();
json["time"] = timestamp;
json["nonce"] = nonce.ToString("X16");
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