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#nullable enable
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using System;
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using System.Diagnostics.Contracts;
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using System.Runtime.Serialization;
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using System.Security.Cryptography;
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using Libplanet.Serialization;
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namespace Libplanet.Blocks
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{
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/// <summary>
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/// The exception that is thrown when the state root hash in the block has
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/// mismatches to the state root hash of the trie on the block executed in local.
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/// </summary>
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[Serializable]
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public class InvalidBlockStateRootHashException : InvalidBlockException
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{
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/// <summary>
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/// Initializes a new instance of the
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/// <see cref="InvalidBlockStateRootHashException"/> class.
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/// </summary>
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/// <param name="expectedStateRootHash">The hash recorded as
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/// <see cref="Block{T}.StateRootHash"/>>.</param>
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/// <param name="actualStateRootHash">The hash of state trie on the block executed.</param>
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/// <param name="message">The message that describes the error.</param>
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// FIXME: 'expectedStateRootHash' should be not nullable after it decided
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// to force state root hash.
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public InvalidBlockStateRootHashException(
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HashDigest<SHA256>? expectedStateRootHash,
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HashDigest<SHA256> actualStateRootHash,
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string message)
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: base(message)
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{
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ActualStateRootHash = actualStateRootHash;
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ExpectedStateRootHash = expectedStateRootHash;
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}
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private InvalidBlockStateRootHashException(
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SerializationInfo info, StreamingContext context)
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: base(info, context)
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{
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ActualStateRootHash =
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info.GetValue<HashDigest<SHA256>>(nameof(ActualStateRootHash));
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ExpectedStateRootHash =
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info.GetValue<HashDigest<SHA256>?>(nameof(ExpectedStateRootHash));
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}
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/// <summary>
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/// The hash of state trie on the block executed.
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/// </summary>
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[Pure]
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public HashDigest<SHA256> ActualStateRootHash { get; }
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/// <summary>
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/// The hash recorded as <see cref="Block{T}.StateRootHash"/>>.
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/// </summary>
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[Pure]
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public HashDigest<SHA256>? ExpectedStateRootHash { get; }
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public override void GetObjectData(SerializationInfo info, StreamingContext context)
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{
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base.GetObjectData(info, context);
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info.AddValue(nameof(ActualStateRootHash), ActualStateRootHash);
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info.AddValue(nameof(ExpectedStateRootHash), ExpectedStateRootHash);
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}
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}
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}
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longfin