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Added blockchain show block/transactions/contracts commands #905

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142 changes: 142 additions & 0 deletions neo-cli/CLI/MainService.Blockchain.cs
Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,10 @@
// modifications are permitted.

using Neo.ConsoleService;
using Neo.Network.P2P.Payloads;
using Neo.SmartContract.Native;
using System;
using System.Linq;

namespace Neo.CLI
{
Expand Down Expand Up @@ -41,5 +43,145 @@ private void OnExportBlocksStartCountCommand(uint start, uint count = uint.MaxVa

WriteBlocks(start, count, path, true);
}

[ConsoleCommand("print block", Category = "Blockchain Commands")]
private void OnPrintBlockCommand(string indexOrHash)
{
Block block = null;

if (uint.TryParse(indexOrHash, out var index))
block = NativeContract.Ledger.GetBlock(_neoSystem.StoreView, index);
else if (UInt256.TryParse(indexOrHash, out var hash))
block = NativeContract.Ledger.GetBlock(_neoSystem.StoreView, hash);
else
{
ConsoleHelper.Error("Enter a valid block index or hash.");
return;
}

if (block == null)
{
ConsoleHelper.Error($"Block {indexOrHash} doesn't exist.");
return;
}

DateTime blockDatetime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
blockDatetime = blockDatetime.AddMilliseconds(block.Timestamp).ToLocalTime();

ConsoleHelper.Info("", "-------------", "Block", "-------------");
ConsoleHelper.Info();
ConsoleHelper.Info("", " Timestamp: ", $"{blockDatetime}");
ConsoleHelper.Info("", " Index: ", $"{block.Index}");
ConsoleHelper.Info("", " Hash: ", $"{block.Hash}");
ConsoleHelper.Info("", " Nonce: ", $"{block.Nonce}");
ConsoleHelper.Info("", " MerkleRoot: ", $"{block.MerkleRoot}");
ConsoleHelper.Info("", " PrevHash: ", $"{block.PrevHash}");
ConsoleHelper.Info("", " NextConsensus: ", $"{block.NextConsensus}");
ConsoleHelper.Info("", " PrimaryIndex: ", $"{block.PrimaryIndex}");
ConsoleHelper.Info("", " Version: ", $"{block.Version}");
ConsoleHelper.Info("", " Size: ", $"{block.Size} Byte(s)");
ConsoleHelper.Info();
ConsoleHelper.Info("", "-------------", "Witness", "-------------");
ConsoleHelper.Info();
ConsoleHelper.Info("", " Invocation Script: ", $"{Convert.ToBase64String(block.Witness.InvocationScript.Span)}");
ConsoleHelper.Info("", " Verification Script: ", $"{Convert.ToBase64String(block.Witness.VerificationScript.Span)}");
ConsoleHelper.Info("", " ScriptHash: ", $"{block.Witness.ScriptHash}");
ConsoleHelper.Info("", " Size: ", $"{block.Witness.Size} Byte(s)");
ConsoleHelper.Info();
ConsoleHelper.Info("", "-------------", "Transactions", "-------------");
ConsoleHelper.Info();

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if (block.Transactions.Length == 0)
ConsoleHelper.Info("", " No Transaction(s)");

foreach (var tx in block.Transactions)
ConsoleHelper.Info($" {tx.Hash}");
ConsoleHelper.Info();
ConsoleHelper.Info("", "--------------------------------------");

}

[ConsoleCommand("print tx", Category = "Blockchain Commands")]
public void OnPrintTransactionCommand(UInt256 hash)
{
var tx = NativeContract.Ledger.GetTransactionState(_neoSystem.StoreView, hash);

if (tx == null)
{
ConsoleHelper.Error($"Transaction {hash} doesn't exist.");
return;
}

var block = NativeContract.Ledger.GetHeader(_neoSystem.StoreView, tx.BlockIndex);

DateTime transactionDatetime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
transactionDatetime = transactionDatetime.AddMilliseconds(block.Timestamp).ToLocalTime();

ConsoleHelper.Info("", "-------------", "Transaction", "-------------");
ConsoleHelper.Info();
ConsoleHelper.Info("", " Timestamp: ", $"{transactionDatetime}");
ConsoleHelper.Info("", " Hash: ", $"{tx.Transaction.Hash}");
ConsoleHelper.Info("", " Nonce: ", $"{tx.Transaction.Nonce}");
ConsoleHelper.Info("", " Sender: ", $"{tx.Transaction.Sender}");
ConsoleHelper.Info("", " ValidUntilBlock: ", $"{tx.Transaction.ValidUntilBlock}");
ConsoleHelper.Info("", " FeePerByte: ", $"{tx.Transaction.FeePerByte}");
ConsoleHelper.Info("", " NetworkFee: ", $"{tx.Transaction.NetworkFee}");
ConsoleHelper.Info("", " SystemFee: ", $"{tx.Transaction.SystemFee}");
ConsoleHelper.Info("", " Script: ", $"{Convert.ToBase64String(tx.Transaction.Script.Span)}");
ConsoleHelper.Info("", " Version: ", $"{tx.Transaction.Version}");
ConsoleHelper.Info("", " BlockIndex: ", $"{block.Index}");
ConsoleHelper.Info("", " BlockHash: ", $"{block.Hash}");
ConsoleHelper.Info("", " Size: ", $"{tx.Transaction.Size} Byte(s)");
ConsoleHelper.Info();
ConsoleHelper.Info("", "-------------", "Signers", "-------------");
ConsoleHelper.Info();
foreach (var signer in tx.Transaction.Signers)
{
if (signer.Rules.Length == 0)
ConsoleHelper.Info("", " Rules: ", "[]");
else
ConsoleHelper.Info("", " Rules: ", $"[{string.Join(", ", signer.Rules.Select(s => $"\"{s.ToJson()}\""))}]");
ConsoleHelper.Info("", " Account: ", $"{signer.Account}");
ConsoleHelper.Info("", " Scopes: ", $"{signer.Scopes}");
if (signer.AllowedContracts.Length == 0)
ConsoleHelper.Info("", " AllowedContracts: ", "[]");
else
ConsoleHelper.Info("", " AllowedContracts: ", $"[{string.Join(", ", signer.AllowedContracts.Select(s => s.ToString()))}]");
if (signer.AllowedGroups.Length == 0)
ConsoleHelper.Info("", " AllowedGroups: ", "[]");
else
ConsoleHelper.Info("", " AllowedGroups: ", $"[{string.Join(", ", signer.AllowedGroups.Select(s => s.ToString()))}]");
ConsoleHelper.Info("", " Size: ", $"{signer.Size} Byte(s)");
if (tx.Transaction.Signers.Length > 0)
ConsoleHelper.Info();
}
ConsoleHelper.Info("", "-------------", "Witnesses", "-------------");
ConsoleHelper.Info();
foreach (var witness in tx.Transaction.Witnesses)
{
ConsoleHelper.Info("", " InvocationScript: ", $"{Convert.ToBase64String(witness.InvocationScript.Span)}");
ConsoleHelper.Info("", " VerificationScript: ", $"{Convert.ToBase64String(witness.VerificationScript.Span)}");
ConsoleHelper.Info("", " ScriptHash: ", $"{witness.ScriptHash}");
ConsoleHelper.Info("", " Size: ", $"{witness.Size} Byte(s)");
if (tx.Transaction.Witnesses.Length > 0)
ConsoleHelper.Info();
}
ConsoleHelper.Info("", "-------------", "Attributes", "-------------");
ConsoleHelper.Info();
if (tx.Transaction.Attributes.Length == 0)
{
ConsoleHelper.Info("", " No Attribute(s).");
ConsoleHelper.Info();
}
foreach (var attribute in tx.Transaction.Attributes)
{
ConsoleHelper.Info("", " Type: ", $"{attribute.Type}");
ConsoleHelper.Info("", " AllowMultiple: ", $"{attribute.AllowMultiple}");
ConsoleHelper.Info("", " Size: ", $"{attribute.Size} Byte(s)");
if (tx.Transaction.Attributes.Length > 0)
ConsoleHelper.Info();
}
ConsoleHelper.Info("", "--------------------------------------");
}
}
}