-
Notifications
You must be signed in to change notification settings - Fork 211
/
rewards.go
135 lines (124 loc) · 3.84 KB
/
rewards.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
package rewards
import (
"errors"
"fmt"
"github.com/spacemeshos/go-spacemesh/common/types"
"github.com/spacemeshos/go-spacemesh/sql"
"github.com/spacemeshos/go-spacemesh/sql/builder"
)
const fullQuery = `select pubkey, coinbase, layer, total_reward, layer_reward from rewards`
type decoderCallback func(*types.Reward, error) bool
func decoder(fn decoderCallback) sql.Decoder {
return func(stmt *sql.Statement) bool {
smID := types.NodeID{}
cbase := types.Address{}
stmt.ColumnBytes(0, smID[:])
stmt.ColumnBytes(1, cbase[:])
reward := &types.Reward{
SmesherID: smID,
Coinbase: cbase,
Layer: types.LayerID(uint32(stmt.ColumnInt64(2))),
TotalReward: uint64(stmt.ColumnInt64(3)),
LayerReward: uint64(stmt.ColumnInt64(4)),
}
return fn(reward, nil)
}
}
// Add reward to the database.
func Add(db sql.Executor, reward *types.Reward) error {
if _, err := db.Exec(`
insert into rewards (pubkey, coinbase, layer, total_reward, layer_reward) values (?1, ?2, ?3, ?4, ?5)`,
func(stmt *sql.Statement) {
stmt.BindBytes(1, reward.SmesherID[:])
stmt.BindBytes(2, reward.Coinbase[:])
stmt.BindInt64(3, int64(reward.Layer.Uint32()))
stmt.BindInt64(4, int64(reward.TotalReward))
stmt.BindInt64(5, int64(reward.LayerReward))
}, nil); err != nil {
return fmt.Errorf("insert %+x: %w", reward, err)
}
return nil
}
// Revert the rewards to the specified layer.
func Revert(db sql.Executor, revertTo types.LayerID) error {
if _, err := db.Exec(`delete from rewards where layer > ?1;`,
func(stmt *sql.Statement) {
stmt.BindInt64(1, int64(revertTo.Uint32()))
}, nil); err != nil {
return fmt.Errorf("revert %v: %w", revertTo, err)
}
return nil
}
// ListByKey lists rewards from all layers for the specified smesherID and/or coinbase.
func ListByKey(db sql.Executor, coinbase *types.Address, smesherID *types.NodeID) (rst []*types.Reward, err error) {
var whereClause string
var binder func(*sql.Statement)
if coinbase != nil && smesherID != nil {
whereClause = "pubkey = ?1 and coinbase = ?2"
binder = func(stmt *sql.Statement) {
stmt.BindBytes(1, smesherID[:])
stmt.BindBytes(2, coinbase[:])
}
} else if coinbase != nil {
whereClause = "coinbase = ?1"
binder = func(stmt *sql.Statement) {
stmt.BindBytes(1, coinbase[:])
}
} else if smesherID != nil {
whereClause = "pubkey = ?1"
binder = func(stmt *sql.Statement) {
stmt.BindBytes(1, smesherID[:])
}
} else {
return nil, errors.New("must specify coinbase and/or smesherID")
}
stmt := fmt.Sprintf(
"%s where %s order by layer;",
fullQuery, whereClause)
_, err = db.Exec(stmt, binder, func(stmt *sql.Statement) bool {
smID := types.NodeID{}
cbase := types.Address{}
stmt.ColumnBytes(0, smID[:])
stmt.ColumnBytes(1, cbase[:])
reward := &types.Reward{
SmesherID: smID,
Coinbase: cbase,
Layer: types.LayerID(uint32(stmt.ColumnInt64(2))),
TotalReward: uint64(stmt.ColumnInt64(3)),
LayerReward: uint64(stmt.ColumnInt64(4)),
}
rst = append(rst, reward)
return true
})
return rst, err
}
// ListByCoinbase lists rewards from all layers for the coinbase address.
func ListByCoinbase(db sql.Executor, coinbase types.Address) (rst []*types.Reward, err error) {
return ListByKey(db, &coinbase, nil)
}
// ListBySmesherId lists rewards from all layers for the smesher ID.
func ListBySmesherId(db sql.Executor, smesherID types.NodeID) (rst []*types.Reward, err error) {
return ListByKey(db, nil, &smesherID)
}
func IterateRewardsOps(
db sql.Executor,
operations builder.Operations,
fn func(reward *types.Reward) bool,
) error {
var derr error
_, err := db.Exec(
fullQuery+builder.FilterFrom(operations),
builder.BindingsFrom(operations),
decoder(func(reward *types.Reward, err error) bool {
if reward != nil {
fn(reward)
}
derr = err
return derr == nil
}),
)
if err != nil {
return err
}
return derr
}