forked from claygod/transaction
-
Notifications
You must be signed in to change notification settings - Fork 0
/
transaction_public.go
55 lines (46 loc) · 1.28 KB
/
transaction_public.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
package transaction
// Core
// Transaction
// Copyright © 2017-2018 Eduard Sesigin. All rights reserved. Contacts: <[email protected]>
/*
Transaction - preparation and execution of a transaction
*/
type Transaction struct {
core *Core
up []*request
reqs []*request
}
/*
Debit - add debit to transaction.
Input variables:
customer - ID
account - account string code
count - number (type "uint64" for "less-zero" safety)
*/
func (t *Transaction) Debit(customer int64, account string, count uint64) *Transaction {
t.up = append(t.up, &request{id: customer, key: account, amount: int64(count)})
return t
}
/*
Credit - add credit to transaction.
Input variables:
customer - ID
account - account string code
count - number (type "uint64" for "less-zero" safety)
*/
func (t *Transaction) Credit(customer int64, account string, count uint64) *Transaction {
t.reqs = append(t.reqs, &request{id: customer, key: account, amount: -(int64(count))})
return t
}
/*
End - complete the data preparation and proceed with the transaction.
Returned codes:
ErrCodeUnitNotExist // unit not exist
ErrCodeTransactionCatch // account not catch
ErrCodeTransactionCredit // such a unit already exists
Ok
*/
func (t *Transaction) End() errorCodes {
t.reqs = append(t.reqs, t.up...)
return t.exeTransaction()
}