private JObject SendMany(JArray _params)
{
CheckWallet();
int to_start = 0;
UInt160 from = null;
if (_params[0] is JString)
{
from = _params[0].AsString().ToScriptHash();
to_start = 1;
}
JArray to = (JArray)_params[to_start];
if (to.Count == 0)
{
throw new RpcException(-32602, "Invalid params");
}
TransferOutput[] outputs = new TransferOutput[to.Count];
for (int i = 0; i < to.Count; i++)
{
UInt160 asset_id = UInt160.Parse(to[i]["asset"].AsString());
AssetDescriptor descriptor = new AssetDescriptor(asset_id);
outputs[i] = new TransferOutput
{
AssetId = asset_id,
Value = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
ScriptHash = to[i]["address"].AsString().ToScriptHash()
};
if (outputs[i].Value.Sign <= 0)
{
throw new RpcException(-32602, "Invalid params");
}
}
Transaction tx = wallet.MakeTransaction(outputs, from);
if (tx == null)
{
throw new RpcException(-300, "Insufficient funds");
}
ContractParametersContext transContext = new ContractParametersContext(tx);
wallet.Sign(transContext);
if (!transContext.Completed)
{
return(transContext.ToJson());
}
tx.Witnesses = transContext.GetWitnesses();
if (tx.Size > 1024)
{
long calFee = tx.Size * 1000 + 100000;
if (tx.NetworkFee < calFee)
{
tx.NetworkFee = calFee;
}
}
if (tx.NetworkFee > settings.MaxFee)
{
throw new RpcException(-301, "The necessary fee is more than the Max_fee, this transaction is failed. Please increase your Max_fee value.");
}
return(SignAndRelay(tx));
}