-
Notifications
You must be signed in to change notification settings - Fork 8.8k
/
platforms.go
99 lines (83 loc) · 2.5 KB
/
platforms.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
/*
# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
*/
package packaging
import (
"fmt"
"github.com/hyperledger/fabric/common/flogging"
"github.com/hyperledger/fabric/core/chaincode/platforms/golang"
"github.com/hyperledger/fabric/core/chaincode/platforms/java"
"github.com/hyperledger/fabric/core/chaincode/platforms/node"
)
// SupportedPlatforms is the canonical list of platforms Fabric supports
var SupportedPlatforms = []Platform{
&java.Platform{},
&golang.Platform{},
&node.Platform{},
}
// Interface for validating the specification and writing the package for
// the given platform
type Platform interface {
Name() string
ValidatePath(path string) error
ValidateCodePackage(code []byte) error
GetDeploymentPayload(path string) ([]byte, error)
}
// NormalizerPather is an optional interface that can be implemented by
// platforms to modify the path stored in the chaincde ID.
type NormalizePather interface {
NormalizePath(path string) (string, error)
}
type Registry struct {
Platforms map[string]Platform
}
var logger = flogging.MustGetLogger("chaincode.platform")
func NewRegistry(platformTypes ...Platform) *Registry {
platforms := make(map[string]Platform)
for _, platform := range platformTypes {
if _, ok := platforms[platform.Name()]; ok {
logger.Panicf("Multiple platforms of the same name specified: %s", platform.Name())
}
platforms[platform.Name()] = platform
}
return &Registry{
Platforms: platforms,
}
}
func (r *Registry) ValidateSpec(ccType, path string) error {
platform, ok := r.Platforms[ccType]
if !ok {
return fmt.Errorf("Unknown chaincodeType: %s", ccType)
}
return platform.ValidatePath(path)
}
func (r *Registry) NormalizePath(ccType, path string) (string, error) {
platform, ok := r.Platforms[ccType]
if !ok {
return "", fmt.Errorf("unknown chaincodeType: %s", ccType)
}
if normalizer, ok := platform.(NormalizePather); ok {
return normalizer.NormalizePath(path)
}
return path, nil
}
func (r *Registry) ValidateDeploymentSpec(ccType string, codePackage []byte) error {
platform, ok := r.Platforms[ccType]
if !ok {
return fmt.Errorf("Unknown chaincodeType: %s", ccType)
}
// ignore empty packages
if len(codePackage) == 0 {
return nil
}
return platform.ValidateCodePackage(codePackage)
}
func (r *Registry) GetDeploymentPayload(ccType, path string) ([]byte, error) {
platform, ok := r.Platforms[ccType]
if !ok {
return nil, fmt.Errorf("Unknown chaincodeType: %s", ccType)
}
return platform.GetDeploymentPayload(path)
}