public static bool CallContract(Net net, KeyPair key, string scriptHash, byte[] bytes)
{
/*var invoke = TestInvokeScript(net, bytes);
* if (invoke.state == null)
* {
* throw new Exception("Invalid script invoke");
* }
*
* decimal gasCost = invoke.gasSpent;*/
var unspent = GetUnspent(net, key.address);
if (!unspent.ContainsKey("GAS"))
{
throw new Exception("Not GAS available");
}
var sources = unspent["GAS"];
var outputs = new List <Transaction.Output>();
/*var output = new Transaction.Output()
* {
* assetID = gasId,
* scriptHash = outputHash,
* value = gasCost
* };
* outputs.Add(output);*/
var gasCost = 0;
var inputs = new List <Transaction.Input>();
decimal selectedGas = 0;
foreach (var src in sources)
{
selectedGas += src.value;
var input = new Transaction.Input()
{
prevHash = src.txid,
prevIndex = src.index,
};
inputs.Add(input);
if (selectedGas >= gasCost)
{
break;
}
}
if (selectedGas < gasCost)
{
throw new Exception("Not enough GAS");
}
if (selectedGas > gasCost)
{
var left = selectedGas - gasCost;
var change = new Transaction.Output()
{
assetID = gasId,
scriptHash = reverseHex(key.signatureHash.ToArray().ByteToHex()),
value = left
};
outputs.Add(change);
}
Transaction tx = new Transaction()
{
type = 0xd1,
version = 0,
script = bytes,
gas = gasCost,
inputs = inputs.ToArray(),
outputs = outputs.ToArray()
};
//File.WriteAllBytes("output2.avm", bytes);
tx = tx.Sign(key);
var hexTx = SerializeTransaction(tx, true);
var response = QueryRPC(net, "sendrawtransaction", new object[] { hexTx });
return(response.GetBool("result"));
}
private static string SerializeTransactionInput(Transaction.Input input)
{
return(reverseHex(input.prevHash) + reverseHex(num2hexstring(input.prevIndex, 4)));
}
private void GenerateInputsOutputs(KeyPair key, string outputHash, Dictionary <string, decimal> ammounts, out List <Transaction.Input> inputs, out List <Transaction.Output> outputs)
{
if (ammounts == null || ammounts.Count == 0)
{
throw new NeoException("Invalid amount list");
}
//var outputHash = toAddress.GetScriptHashFromAddress().ToHexString();
var unspent = GetUnspent(key.address);
inputs = new List <Transaction.Input>();
outputs = new List <Transaction.Output>();
foreach (var entry in ammounts)
{
var symbol = entry.Key;
if (!unspent.ContainsKey(symbol))
{
throw new NeoException($"Not enough {symbol} in address {key.address}");
}
}
foreach (var entry in ammounts)
{
var symbol = entry.Key;
var cost = entry.Value;
string assetID;
var info = GetAssetsInfo();
if (info.ContainsKey(symbol))
{
assetID = info[symbol];
}
else
{
throw new NeoException($"{symbol} is not a valid blockchain asset.");
}
var sources = unspent[symbol];
decimal selected = 0;
foreach (var src in sources)
{
selected += src.value;
var input = new Transaction.Input()
{
prevHash = src.txid,
prevIndex = src.index,
};
inputs.Add(input);
if (selected >= cost)
{
break;
}
}
if (selected < cost)
{
throw new NeoException($"Not enough {symbol}");
}
if (cost > 0)
{
var output = new Transaction.Output()
{
assetID = assetID,
scriptHash = outputHash,
value = cost
};
outputs.Add(output);
}
if (selected > cost)
{
var left = selected - cost;
var change = new Transaction.Output()
{
assetID = assetID,
scriptHash = LuxUtils.reverseHex(key.signatureHash.ToArray().ByteToHex()),
value = left
};
outputs.Add(change);
}
}
}