private void PassParametersCheckbox_CheckedChanged(object sender, EventArgs e)
{
Engine.AutomationEngineInstance currentScriptEngine = new Engine.AutomationEngineInstance();
var startFile = v_taskPath.ConvertToUserVariable(currentScriptEngine);
var Sender = (CheckBox)sender;
AssignmentsGridViewHelper.Visible = Sender.Checked;
//load variables if selected and file exists
if ((Sender.Checked) && (System.IO.File.Exists(startFile)))
{
Script.Script deserializedScript = Core.Script.Script.DeserializeFile(startFile);
foreach (var variable in deserializedScript.Variables)
{
DataRow[] foundVariables = v_VariableAssignments.Select("VariableName = '" + variable.VariableName + "'");
if (foundVariables.Length == 0)
{
v_VariableAssignments.Rows.Add(variable.VariableName, variable.VariableValue);
}
}
AssignmentsGridViewHelper.DataSource = v_VariableAssignments;
for (int i = 0; i < AssignmentsGridViewHelper.Rows.Count - 1; i++)
{
DataGridViewComboBoxCell returnComboBox = new DataGridViewComboBoxCell();
returnComboBox.Items.Add("Yes");
returnComboBox.Items.Add("No");
AssignmentsGridViewHelper.Rows[i].Cells[2] = returnComboBox;
}
}
}
public ScriptEditorDialog(KeyObject keyObject, Script.Script script)
{
_ori_keyObject = keyObject;
KeyObject = keyObject.Clone();
Script = script;
InitializeComponent();
InitializeForm();
InitializeMenu();
RefreshView();
}
public static void ValidateSLPScriptHeader(Script.Script script)
{
// validate SLP format
Token.ValidateSLPScriptHeader(script);
// check version number
if (script.DataChunks[1].Length != 1 || script.DataChunks[1][0] != 1)
{
throw new InvalidSLPScriptException("SLP version violates spec - expected 1 or 2 bytes, but received " +
script.DataChunks[1].Length + ".");
}
}
public static bool DoesScriptHaveValidHeader(Script.Script script)
{
try
{
ValidateSLPScriptHeader(script);
return(true);
}
catch (InvalidSLPScriptException)
{
return(false);
}
}
public void Initialize(Service service)
{
Script = service.GetScript();
var runtimes = Script.GetRuntimes();
for (int i = 0; i < runtimes.Count; i++)
{
if (runtimes[i].GetType() == typeof(VirtualInputRuntime))
{
Runtime = (VirtualInputRuntime)runtimes[i];
}
}
}
/// <summary>
/// ReadScript
/// </summary>
/// <param name="script"></param>
/// <exception cref="InvalidSLPScriptException"></exception>
public static void ValidateSLPScriptHeader(Script.Script script)
{
/*
* <lokad_id: 'SLP\x00'> (4 bytes, ascii)
* <token_type: 1> (1 to 2 byte integer)
*/
if (script.OpCodes.Count < 1 || !script.OpCodes[0].Equals(OpCodeType.OP_RETURN))
{
throw new InvalidSLPScriptException("Script is not an op_return");
}
if (script.OpCodes.Count < 2 || !script.OpCodes[1].Equals(OpCodeType.OP_DATA) ||
script.DataChunks.Count < 1)
{
throw new InvalidSLPScriptException(
"Script is not an SLP op_return. Header is missing.");
}
if (script.DataChunks[0].Length != 4)
{
throw new InvalidSLPScriptException(
"Script is not an SLP op_return. Wrong header - expected 4 bytes, but received " +
script.DataChunks[0].Length + ".");
}
if (!script.DataChunks[0].SequenceEqual(OpReturnPrefix))
{
throw new InvalidSLPScriptException(
"Script is not an SLP op_return. Wrong header - expected 0x504c5300, but received " +
ByteHexConverter.ByteArrayToHex(script.DataChunks[0]) + ".");
}
if (script.DataChunks.Count == 1)
{
throw new InvalidSLPScriptException("Script is missing SLP token_type.");
}
if (script.DataChunks[1].Length != 1 && script.DataChunks[1].Length != 2)
{
throw new InvalidSLPScriptException("SLP version violates spec - expected 1 or 2 bytes, but received " +
script.DataChunks[1].Length + ".");
}
// make sure the script contains only push opcodes, data, and the op_return
if (script.OpCodes.Where(x => x != OpCodeType.OP_DATA).Count() > 1)
{
throw new InvalidSLPScriptException("Script contains invalid op_codes! Invalid codes found: " +
string.Join(", ", script.OpCodes.Where(x => x != OpCodeType.OP_DATA)));
}
}
private void PassParametersCheckbox_CheckedChanged(object sender, EventArgs e)
{
var Sender = (CheckBox)sender;
AssignmentsGridViewHelper.Visible = Sender.Checked;
//load variables if selected and file exists
if ((Sender.Checked) && (System.IO.File.Exists(v_taskPath)))
{
Script.Script deserializedScript = Core.Script.Script.DeserializeFile(v_taskPath);
foreach (var variable in deserializedScript.Variables)
{
DataRow[] foundVariables = v_VariableAssignments.Select("VariableName = '" + variable.VariableName + "'");
if (foundVariables.Length == 0)
{
v_VariableAssignments.Rows.Add(variable.VariableName, variable.VariableValue);
}
}
AssignmentsGridViewHelper.DataSource = v_VariableAssignments;
}
}
/// <summary>
/// ReadScript
/// </summary>
/// <param name="script"></param>
/// <exception cref="InvalidSLPScriptException"></exception>
public static TokenType1Message ReadSLPScript(Script.Script script)
{
/*
* <lokad_id: 'SLP\x00'> (4 bytes, ascii)
* <token_type: 1> (1 to 2 byte integer)
*/
ValidateSLPScriptHeader(script);
if (script.DataChunks.Count == 2)
{
throw new InvalidSLPScriptException("Script is missing an SLP command in the 3rd data chunk.");
}
if (!new[] { 4, 6, 7 }.Contains(script.DataChunks[2].Length))
{
throw new InvalidSLPScriptException(
"SLP command is invalid length. Excepted 4, 6, or 7 ASCII characters, but received " +
script.DataChunks[2].Length);
}
if (!IsValidAscii(script.DataChunks[2]))
{
throw new InvalidSLPScriptException(
"SLP command is invalid. Excepted ASCII, but received non-ASCII characters.");
}
TransactionType type;
if (!Enum.TryParse(Encoding.ASCII.GetString(script.DataChunks[2]), out type))
{
throw new InvalidSLPScriptException("SLP command is invalid. Excepted " +
string.Join(", ", Enum.GetNames(typeof(TransactionType))) +
"; but received " + Encoding.ASCII.GetString(script.DataChunks[2]) +
".");
}
switch (type)
{
case TransactionType.GENESIS:
if (script.DataChunks.Count != 10)
{
throw new InvalidSLPScriptException(
"Script contains incorrect number of data chunks for GENESIS operations. Expected 10, but received " +
script.DataChunks.Count + ".");
}
// first 3 params after header (first 5 params) require no validation:
// token_ticker, token_name, token_document_url can be any value of any length
// token_document_hash must be 0 or 32 bytes
if (script.DataChunks[6].Length != 0 && script.DataChunks[6].Length != 32)
{
throw new InvalidSLPScriptException(
"Invalid GENESIS Message. Expected TokenDocumentHash with 0 or 32 bytes, but received " +
script.DataChunks[6].Length);
}
// decimals must be between 0 and 9
if (script.DataChunks[7].Length != 1)
{
throw new ArgumentException("Invalid digits after decimal! Expected 1 byte but received " +
script.DataChunks[7].Length + " bytes.");
}
if (script.DataChunks[7][0] > 9)
{
throw new ArgumentException(
"Invalid digits after decimal! Expected 0-9 inclusive, but received " +
(int)script.DataChunks[7][0] + ".");
}
// mint_baton_vout can be 0 or 1 bytes, but must not equal 1
if (script.DataChunks[8].Length > 1)
{
throw new ArgumentException("Invalid MintBatonVOut! Expected 0 or 1 bytes but received " +
script.DataChunks[8].Length + " bytes.");
}
if (script.DataChunks[8].Length == 1 &&
(script.DataChunks[8][0] == 1 || script.DataChunks[8][0] == 0))
{
throw new ArgumentException("Invalid MintBatonVOut! Expected 0x02-0xff inclusive received " +
(int)script.DataChunks[8][0] + ".");
}
// initial_token_mint_quantity must be 8 bytes
if (script.DataChunks[9].Length != 8)
{
throw new ArgumentException("Invalid InitialTokenMintQuantity! Expected 8 bytes but received " +
script.DataChunks[8].Length + " bytes.");
}
// validation passed, so decode and return
return(new TokenType1Message.GenesisMessage(script.DataChunks));
case TransactionType.SEND:
// minimum 2 fields, maximum 20 (19 outputs)
if (script.DataChunks.Count < 5 || script.DataChunks.Count > 23)
{
throw new InvalidSLPScriptException(
"Script contains incorrect number of data chunks for SEND operations. Expected 5-23 inclusive, but received " +
script.DataChunks.Count + ".");
}
// token_id must be 32 bytes
if (script.DataChunks[3].Length != 32)
{
throw new InvalidSLPScriptException("Invalid TokenId! Expected 32 bytes, but received " +
script.DataChunks[4].Length + " bytes.");
}
// there can be anywhere from 1 to 19 outputs, each must be 8 bytes
for (var i = 4; i < script.DataChunks.Count; i++)
{
if (script.DataChunks[i].Length != 8)
{
throw new InvalidSLPScriptException(
"Invalid TokenOutputQuantity" + i + "! Expected 8 bytes, but received " +
script.DataChunks[i].Length + " bytes.");
}
}
// validation passed, so decode and return
return(new TokenType1Message.SendMessage(script.DataChunks));
case TransactionType.MINT:
if (script.DataChunks.Count != 6)
{
throw new InvalidSLPScriptException(
"Script contains incorrect number of data chunks for SEND operations. Expected 6, but received " +
script.DataChunks.Count + ".");
}
// token_id must be 32 bytes
if (script.DataChunks[3].Length != 32)
{
throw new InvalidSLPScriptException("Invalid TokenId! Expected 32 bytes, received " +
script.DataChunks[4].Length + " bytes.");
}
// mint_baton_vout can be 0 or 1 bytes, but must not equal 1
if (script.DataChunks[4].Length > 1)
{
throw new ArgumentException("Invalid MintBatonVOut! Expected 0 or 1 bytes but received " +
script.DataChunks[5].Length + " bytes.");
}
if (script.DataChunks[4].Length == 1 &&
(script.DataChunks[4][0] == 1 || script.DataChunks[4][0] == 0))
{
throw new ArgumentException("Invalid MintBatonVOut! Expected 0x02-0xff inclusive received " +
(int)script.DataChunks[4][0] + ".");
}
// additional_token_quantity must be 8 bytes
if (script.DataChunks[5].Length != 8)
{
throw new ArgumentException("Invalid AdditionalTokenQuantity! Expected 8 bytes but received " +
script.DataChunks[5].Length + " bytes.");
}
// validation passed, so decode and return
return(new TokenType1Message.MintMessage(script.DataChunks));
case TransactionType.COMMIT:
if (script.DataChunks.Count != 8)
{
throw new InvalidSLPScriptException(
"Script contains incorrect number of data chunks for COMMIT operations. Expected 8, but received " +
script.DataChunks.Count + ".");
}
// token_id must be 32 bytes
if (script.DataChunks[3].Length != 32)
{
throw new InvalidSLPScriptException("Invalid TokenId! Expected 32 bytes, received " +
script.DataChunks[4].Length + " bytes.");
}
// for_bitcoin_block_hash must be 32 bytes
if (script.DataChunks[4].Length != 32)
{
throw new InvalidSLPScriptException("Invalid ForBitcoinBlockHash! Expected 32 bytes, received " +
script.DataChunks[4].Length + " bytes.");
}
// block_height must be 8 bytes
if (script.DataChunks[5].Length != 8)
{
throw new ArgumentException("Invalid BlockHeight! Expected 8 bytes but received " +
script.DataChunks[5].Length + " bytes.");
}
// token_txn_set_hash must be 32 bytes
if (script.DataChunks[6].Length != 32)
{
throw new InvalidSLPScriptException("Invalid TokenTransactionSetHash! Expected 32 bytes, received " +
script.DataChunks[6].Length + " bytes.");
}
// txn_set_data_url requires no validation
// validation passed, so decode and return
return(new TokenType1Message.CommitMessage(script.DataChunks));
default:
// cannot happen (already validated)
throw new ArgumentOutOfRangeException(nameof(script.DataChunks), "Invalid Transaction Type");
}
}
