void ISerializable.Deserialize(BinaryReader reader)
{
this.AssetId = reader.ReadSerializable<UInt256>();
this.Value = reader.ReadSerializable<Fixed8>();
if (Value <= Fixed8.Zero) throw new FormatException();
this.ScriptHash = reader.ReadSerializable<UInt160>();
}
public static TransactionOutput Create(Fixed8 value, string address)
{
if (address == null) throw new ArgumentNullException(nameof(address));
bool p2sh;
UInt160 hash = Wallet.ToScriptHash(address, out p2sh);
using (ScriptBuilder sb = new ScriptBuilder())
{
if (p2sh)
{
sb.Add(ScriptOp.OP_HASH160);
sb.Push(hash.ToArray());
sb.Add(ScriptOp.OP_EQUAL);
}
else
{
sb.Add(ScriptOp.OP_DUP);
sb.Add(ScriptOp.OP_HASH160);
sb.Push(hash.ToArray());
sb.Add(ScriptOp.OP_EQUALVERIFY);
sb.Add(ScriptOp.OP_CHECKSIG);
}
return new TransactionOutput
{
Value = value,
Script = sb.ToArray()
};
}
}
void ISerializable.Deserialize(BinaryReader reader)
{
this.Amount = reader.ReadSerializable<Fixed8>();
if (Amount == Fixed8.Zero) throw new FormatException();
if (Amount.GetData() % 10000 != 0) throw new FormatException();
this.Price = reader.ReadSerializable<Fixed8>();
if (Price <= Fixed8.Zero) throw new FormatException();
if (Price.GetData() % 10000 != 0) throw new FormatException();
this.Client = reader.ReadSerializable<UInt160>();
}
void ISignable.FromUnsignedArray(byte[] value)
{
using (MemoryStream ms = new MemoryStream(value, false))
using (BinaryReader reader = new BinaryReader(ms))
{
this.AssetId = reader.ReadSerializable<UInt256>();
this.ValueAssetId = reader.ReadSerializable<UInt256>();
this.Agent = reader.ReadSerializable<UInt160>();
this.Amount = reader.ReadSerializable<Fixed8>();
this.Price = reader.ReadSerializable<Fixed8>();
this.Client = reader.ReadSerializable<UInt160>();
this.Inputs = reader.ReadSerializableArray<TransactionInput>();
}
}
protected override void DeserializeExclusiveData(BinaryReader reader)
{
this.AssetType = (AssetType)reader.ReadByte();
if (!Enum.IsDefined(typeof(AssetType), AssetType))
throw new FormatException();
this.Name = reader.ReadVarString();
this.Amount = reader.ReadSerializable<Fixed8>();
if (Amount == Fixed8.Zero || Amount < -Fixed8.Satoshi) throw new FormatException();
if (AssetType == AssetType.Share && Amount <= Fixed8.Zero)
throw new FormatException();
if (AssetType == AssetType.Currency && Amount != -Fixed8.Satoshi)
throw new FormatException();
this.Issuer = ECPoint.DeserializeFrom(reader, ECCurve.Secp256r1);
this.Admin = reader.ReadSerializable<UInt160>();
}
private void DeserializeUnsignedInternal(BinaryReader reader, UInt256 asset_id, UInt256 value_asset_id, UInt160 agent)
{
AssetId = asset_id;
ValueAssetId = value_asset_id;
Agent = agent;
Amount = reader.ReadSerializable<Fixed8>();
if (Amount == Fixed8.Zero) throw new FormatException();
if (Amount.GetData() % 10000 != 0) throw new FormatException();
Price = reader.ReadSerializable<Fixed8>();
if (Price <= Fixed8.Zero) throw new FormatException();
if (Price.GetData() % 10000 != 0) throw new FormatException();
Client = reader.ReadSerializable<UInt160>();
Inputs = reader.ReadSerializableArray<TransactionInput>();
if (Inputs.Distinct().Count() != Inputs.Length)
throw new FormatException();
}
public override WalletUnspentCoin[] FindUnspentCoins(UInt256 asset_id, Fixed8 amount)
{
return FindUnspentCoins(FindUnspentCoins().Where(p => GetContract(p.ScriptHash) is SignatureContract), asset_id, amount) ?? base.FindUnspentCoins(asset_id, amount);
}
void ISerializable.Deserialize(BinaryReader reader)
{
this.AssetId = reader.ReadSerializable<UInt256>();
this.Value = reader.ReadSerializable<Fixed8>();
this.ScriptHash = reader.ReadSerializable<UInt160>();
}
void ISerializable.Deserialize(BinaryReader reader)
{
this.Value = reader.ReadSerializable<Fixed8>();
this.Script = reader.ReadBytes((int)reader.ReadVarInt());
}
private static UnspentCoin[] FindUnspentCoins(IEnumerable<UnspentCoin> coins, Fixed8 total)
{
UnspentCoin[] coins_array = coins.ToArray();
UnspentCoin coin = coins_array.FirstOrDefault(p => p.Value == total);
if (coin != null) return new UnspentCoin[] { coin };
coin = coins_array.OrderBy(p => p.Value).FirstOrDefault(p => p.Value > total);
if (coin != null) return new UnspentCoin[] { coin };
Fixed8 sum = coins_array.Sum(p => p.Value);
if (sum < total) return null;
if (sum == total) return coins_array;
return coins_array.OrderByDescending(p => p.Value).TakeWhile(p =>
{
if (total <= Fixed8.Zero) return false;
total -= p.Value;
return true;
}).ToArray();
}
