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
|
package integration
import (
"time"
"github.com/dexon-foundation/dexon-consensus-core/core/blockdb"
"github.com/dexon-foundation/dexon-consensus-core/core/crypto"
"github.com/dexon-foundation/dexon-consensus-core/core/test"
"github.com/dexon-foundation/dexon-consensus-core/core/types"
)
// PrepareNodes setups nodes for testing.
func PrepareNodes(
nodeCount int,
networkLatency, proposingLatency test.LatencyModel) (
apps map[types.NodeID]*test.App,
dbs map[types.NodeID]blockdb.BlockDatabase,
nodes map[types.NodeID]*Node,
err error) {
var (
db blockdb.BlockDatabase
key crypto.PrivateKey
)
apps = make(map[types.NodeID]*test.App)
dbs = make(map[types.NodeID]blockdb.BlockDatabase)
nodes = make(map[types.NodeID]*Node)
gov, err := test.NewGovernance(nodeCount, 700*time.Millisecond)
if err != nil {
return
}
for nID := range gov.GetNodeSet(0) {
apps[nID] = test.NewApp()
if db, err = blockdb.NewMemBackedBlockDB(); err != nil {
return
}
dbs[nID] = db
}
for nID := range gov.GetNodeSet(0) {
if key, err = gov.GetPrivateKey(nID); err != nil {
return
}
nodes[nID] = NewNode(
apps[nID],
gov,
dbs[nID],
key,
networkLatency,
proposingLatency)
}
return
}
// VerifyApps is a helper to check delivery between test.Apps
func VerifyApps(apps map[types.NodeID]*test.App) (err error) {
for vFrom, fromApp := range apps {
if err = fromApp.Verify(); err != nil {
return
}
for vTo, toApp := range apps {
if vFrom == vTo {
continue
}
if err = fromApp.Compare(toApp); err != nil {
return
}
}
}
return
}
|
