-
Notifications
You must be signed in to change notification settings - Fork 19
/
ledger_movement.go
150 lines (127 loc) · 4.45 KB
/
ledger_movement.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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package sqlsubscribers
import (
"context"
"fmt"
"strings"
"time"
"code.vegaprotocol.io/vega/core/events"
"code.vegaprotocol.io/vega/datanode/entities"
"code.vegaprotocol.io/vega/protos/vega"
"github.com/pkg/errors"
"github.com/shopspring/decimal"
)
type Ledger interface {
AddLedgerEntry(entities.LedgerEntry) error
AddTransferResponse(*vega.LedgerMovement)
Flush(ctx context.Context) error
}
type LedgerMovementEvents interface {
events.Event
LedgerMovements() []*vega.LedgerMovement
}
type TransferResponse struct {
subscriber
ledger Ledger
accounts AccountService
}
func NewTransferResponse(ledger Ledger, accounts AccountService) *TransferResponse {
return &TransferResponse{
ledger: ledger,
accounts: accounts,
}
}
func (t *TransferResponse) Types() []events.Type {
return []events.Type{events.LedgerMovementsEvent}
}
func (t *TransferResponse) Flush(ctx context.Context) error {
err := t.ledger.Flush(ctx)
return errors.Wrap(err, "flushing ledger")
}
func (t *TransferResponse) Push(ctx context.Context, evt events.Event) error {
return t.consume(ctx, evt.(LedgerMovementEvents))
}
func (t *TransferResponse) consume(ctx context.Context, e LedgerMovementEvents) error {
var errs strings.Builder
for _, tr := range e.LedgerMovements() {
t.ledger.AddTransferResponse(tr)
for _, vle := range tr.Entries {
if err := t.addLedgerEntry(ctx, vle, e.TxHash(), t.vegaTime); err != nil {
errs.WriteString(fmt.Sprintf("couldn't add ledger entry: %v, error:%s\n", vle, err))
}
}
}
if errs.Len() != 0 {
return errors.Errorf("processing transfer response:%s", errs.String())
}
return nil
}
func (t *TransferResponse) addLedgerEntry(ctx context.Context, vle *vega.LedgerEntry, txHash string, vegaTime time.Time) error {
fromAcc, err := t.obtainAccountWithAccountDetails(ctx, vle.FromAccount, txHash, vegaTime)
if err != nil {
return errors.Wrap(err, "obtaining 'from' account")
}
toAcc, err := t.obtainAccountWithAccountDetails(ctx, vle.ToAccount, txHash, vegaTime)
if err != nil {
return errors.Wrap(err, "obtaining 'to' account")
}
quantity, err := decimal.NewFromString(vle.Amount)
if err != nil {
return errors.Wrap(err, "parsing amount string")
}
fromAccountBalance, err := decimal.NewFromString(vle.FromAccountBalance)
if err != nil {
return errors.Wrap(err, "parsing FromAccountBalance string")
}
toAccountBalance, err := decimal.NewFromString(vle.ToAccountBalance)
if err != nil {
return errors.Wrap(err, "parsing ToAccountBalance string")
}
var transferID entities.TransferID
if vle.TransferId != nil {
transferID = entities.TransferID(*vle.TransferId)
}
le := entities.LedgerEntry{
FromAccountID: fromAcc.ID,
ToAccountID: toAcc.ID,
Quantity: quantity,
TxHash: entities.TxHash(txHash),
VegaTime: vegaTime,
TransferTime: time.Unix(0, vle.Timestamp),
Type: entities.LedgerMovementType(vle.Type),
FromAccountBalance: fromAccountBalance,
ToAccountBalance: toAccountBalance,
TransferID: transferID,
}
err = t.ledger.AddLedgerEntry(le)
if err != nil {
return errors.Wrap(err, "adding to store")
}
return nil
}
// Parse the vega account ID; if that account already exists in the db, fetch it; else create it.
func (t *TransferResponse) obtainAccountWithAccountDetails(ctx context.Context, ad *vega.AccountDetails, txHash string, vegaTime time.Time) (entities.Account, error) {
a, err := entities.AccountProtoFromDetails(ad, entities.TxHash(txHash))
if err != nil {
return entities.Account{}, errors.Wrapf(err, "parsing account id: %s", ad.String())
}
a.VegaTime = vegaTime
err = t.accounts.Obtain(ctx, &a)
if err != nil {
return entities.Account{}, errors.Wrapf(err, "obtaining account for id: %s", ad.String())
}
return a, nil
}