public void TestEmitMap()
{
var expected = new Dictionary <BigInteger, BigInteger>()
{
{ 1, 2 }, { 3, 4 }
};
var sb = new ScriptBuilder();
sb.CreateMap(expected);
using var engine = ApplicationEngine.Create(TriggerType.Application, null, null);
engine.LoadScript(sb.ToArray());
Assert.AreEqual(VMState.HALT, engine.Execute());
var map = engine.ResultStack.Pop <VM.Types.Map>();
var dic = map.ToDictionary(u => u.Key, u => u.Value);
CollectionAssert.AreEqual(expected.Keys, dic.Keys.Select(u => u.GetInteger()).ToArray());
CollectionAssert.AreEqual(expected.Values, dic.Values.Select(u => u.GetInteger()).ToArray());
}
/// <summary>
/// Emits the opcodes for pushing the specified data onto the stack.
/// </summary>
/// <param name="builder">The <see cref="ScriptBuilder"/> to be used.</param>
/// <param name="parameter">The data to be pushed.</param>
/// <returns>The same instance as <paramref name="builder"/>.</returns>
public static ScriptBuilder EmitPush(this ScriptBuilder builder, ContractParameter parameter)
{
if (parameter.Value is null)
{
builder.Emit(OpCode.PUSHNULL);
}
else
{
switch (parameter.Type)
{
case ContractParameterType.Signature:
case ContractParameterType.ByteArray:
builder.EmitPush((byte[])parameter.Value);
break;
case ContractParameterType.Boolean:
builder.EmitPush((bool)parameter.Value);
break;
case ContractParameterType.Integer:
if (parameter.Value is BigInteger bi)
{
builder.EmitPush(bi);
}
else
{
builder.EmitPush((BigInteger)typeof(BigInteger).GetConstructor(new[] { parameter.Value.GetType() }).Invoke(new[] { parameter.Value }));
}
break;
case ContractParameterType.Hash160:
builder.EmitPush((UInt160)parameter.Value);
break;
case ContractParameterType.Hash256:
builder.EmitPush((UInt256)parameter.Value);
break;
case ContractParameterType.PublicKey:
builder.EmitPush((ECPoint)parameter.Value);
break;
case ContractParameterType.String:
builder.EmitPush((string)parameter.Value);
break;
case ContractParameterType.Array:
{
IList <ContractParameter> parameters = (IList <ContractParameter>)parameter.Value;
for (int i = parameters.Count - 1; i >= 0; i--)
{
builder.EmitPush(parameters[i]);
}
builder.EmitPush(parameters.Count);
builder.Emit(OpCode.PACK);
}
break;
case ContractParameterType.Map:
{
var pairs = (IList <KeyValuePair <ContractParameter, ContractParameter> >)parameter.Value;
builder.CreateMap(pairs);
}
break;
default:
throw new ArgumentException(null, nameof(parameter));
}
}
return(builder);
}
