public static IPromise <TransactionBuilder> SetRequiredFees(TransactionBuilder builder, SpaceTypeId assetId = null)
{
if (builder.IsFinalized)
{
throw new InvalidOperationException("SetRequiredFees... Already finalized");
}
if (builder.operations.IsNullOrEmpty())
{
throw new InvalidOperationException("SetRequiredFees... Add operation first");
}
var ops = new OperationData[builder.operations.Count];
for (var i = 0; i < builder.operations.Count; i++)
{
ops[i] = builder.operations[i].Clone();
}
var coreAssetId = SpaceTypeId.CreateOne(SpaceType.Asset);
if (assetId.IsNull())
{
var firstFee = ops.First().Fee;
if (!firstFee.IsNull() && !firstFee.AssetId.IsNullOrEmpty())
{
assetId = firstFee.AssetId;
}
else
{
assetId = coreAssetId;
}
}
var isNotCoreAsset = !assetId.Equals(coreAssetId);
var promises = new List <IPromise <object> >();
if (ops.Contains(op => op.Type.Equals(ChainTypes.Operation.ContractCall)))
{
promises.Add(EchoApiManager.Instance.Database.GetRequiredFees <FeeForCallContractData>(ops, assetId.ToUintId).Then <object>(feesData => feesData.Cast <IFeeAsset>()));
if (isNotCoreAsset)
{
promises.Add(EchoApiManager.Instance.Database.GetRequiredFees <FeeForCallContractData>(ops, coreAssetId.ToUintId).Then <object>(coreFeesData => coreFeesData.Cast <IFeeAsset>()));
}
}
else
if (ops.Contains(op => op.Type.Equals(ChainTypes.Operation.ContractCreate)))
{
promises.Add(EchoApiManager.Instance.Database.GetRequiredFees <FeeForCreateContractData>(ops, assetId.ToUintId).Then <object>(feesData => feesData.Cast <IFeeAsset>()));
if (isNotCoreAsset)
{
promises.Add(EchoApiManager.Instance.Database.GetRequiredFees <FeeForCreateContractData>(ops, coreAssetId.ToUintId).Then <object>(coreFeesData => coreFeesData.Cast <IFeeAsset>()));
}
}
else
{
promises.Add(EchoApiManager.Instance.Database.GetRequiredFees <AssetData>(ops, assetId.ToUintId).Then <object>(feesData => feesData.Cast <IFeeAsset>()));
if (isNotCoreAsset)
{
promises.Add(EchoApiManager.Instance.Database.GetRequiredFees <AssetData>(ops, coreAssetId.ToUintId).Then <object>(coreFeesData => coreFeesData.Cast <IFeeAsset>()));
}
}
if (isNotCoreAsset)
{
promises.Add(Repository.GetInPromise(assetId, () => EchoApiManager.Instance.Database.GetAsset(assetId.ToUintId)).Then <object>(assetObject => assetObject));
}
return(Promise <object> .All(promises.ToArray()).Then(results =>
{
var list = new List <object>(results).ToArray();
var feesData = list.First() as IFeeAsset[];
var coreFeesData = (list.Length > 1) ? (list[1] as IFeeAsset[]) : null;
var assetObject = (list.Length > 2) ? (list[2] as AssetObject) : null;
var dynamicPromise = isNotCoreAsset ? EchoApiManager.Instance.Database.GetObject <AssetDynamicDataObject>(assetObject.DynamicAssetData) : Promise <AssetDynamicDataObject> .Resolved(null);
return dynamicPromise.Then(dynamicObject =>
{
if (isNotCoreAsset)
{
var totalFees = 0L;
for (var j = 0; j < coreFeesData.Length; j++)
{
totalFees += coreFeesData[j].FeeAsset.Amount;
}
var feePool = dynamicObject.IsNull() ? 0L : dynamicObject.FeePool;
if (totalFees > feePool)
{
feesData = coreFeesData;
}
}
var flatAssets = GetFee(feesData.OrEmpty(), new List <AssetData>());
var assetIndex = 0;
for (var i = 0; i < builder.operations.Count; i++)
{
SetFee(builder.operations[i], ref assetIndex, flatAssets);
}
});
}).Then(() => Promise <TransactionBuilder> .Resolved(builder)));
}