public Task Transfer(
IAccountGrain fromAccount,
IAccountGrain toAccount,
uint amountToTransfer) =>
Task.WhenAll(
fromAccount.Withdraw(amountToTransfer),
toAccount.Deposit(amountToTransfer));
public async Task TestSequence(IAccountGrain account, bool hasLogStored)
{
Assert.Equal(0u, await account.Balance());
var initialdepositguid = Guid.NewGuid();
await account.Deposit(100, initialdepositguid, "initial deposit");
Assert.Equal(100u, await account.Balance());
var firstwithdrawalguid = Guid.NewGuid();
var success = await account.Withdraw(70, firstwithdrawalguid, "first withdrawal");
Assert.True(success);
Assert.Equal(30u, await account.Balance());
var secondwithdrawalguid = Guid.NewGuid();
success = await account.Withdraw(70, secondwithdrawalguid, "second withdrawal");
Assert.False(success);
Assert.Equal(30u, await account.Balance());
if (hasLogStored)
{
// check the transaction log
var log = await account.GetTransactionLog();
Assert.Equal(2, log.Count());
Assert.Equal(initialdepositguid, log[0].Guid);
Assert.Equal("initial deposit", log[0].Description);
Assert.Equal(firstwithdrawalguid, log[1].Guid);
Assert.Equal("first withdrawal", log[1].Description);
Assert.True(log[0].IssueTime < log[1].IssueTime);
}
else
{
await Assert.ThrowsAsync(typeof(NotSupportedException),
async() => await account.GetTransactionLog());
}
}
//public Task Transfer<TBalance>(long fromAccount, long toAccount, ulong amountToTransfer) where TBalance : Balance
//{
// return Task.WhenAll(
// this.GrainFactory.GetGrain<IAccount<TBalance>>(fromAccount).Withdraw(amountToTransfer),
// this.GrainFactory.GetGrain<IAccount<TBalance>>(toAccount).Deposit(amountToTransfer));
//}
public Task Transfer <TBalance>(IAccountGrain <TBalance> fromAccount, IAccountGrain <TBalance> toAccount, ulong amountToTransfer) where TBalance : Balance
{
return(Task.WhenAll(
fromAccount.Withdraw(amountToTransfer),
toAccount.Deposit(amountToTransfer)));
}