Add chaincode-external for asset-transfer-basic sample. (#234)

Signed-off-by: Chongxin Luo <Chongxin.Luo@ibm.com>
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Dereck 2020-08-05 20:12:12 -04:00 committed by GitHub
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chaincode.env*
*.json
*.md
*.tar.gz
*.tgz

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chaincode.env
connection.json
*.tar.gz
*.tgz

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# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
ARG GO_VER=1.14.4
ARG ALPINE_VER=3.12
FROM golang:${GO_VER}-alpine${ALPINE_VER}
WORKDIR /go/src/github.com/hyperledger/fabric-samples/asset-transfer-basic/chaincode-external
COPY . .
RUN go get -d -v ./...
RUN go install -v ./...
EXPOSE 9999
CMD ["external"]

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# Asset-Transfer-Basic as an external service
See the "Chaincode as an external service" documentation for running chaincode as an external service.
This includes details of the external builder and launcher scripts which peers in your Fabric network will require.
The Asset-Transfer-Basic chaincode requires two environment variables to run, `CHAINCODE_SERVER_ADDRESS` and `CHAINCODE_ID`, which are described in the `chaincode.env.example` file. Copy this file to `chaincode.env` before continuing.
**Note:** each organization in a Asset-Transfer-Basic network will need to follow the instructions below to host their own instance of the Asset-Transfer-Basic external service.
## Packaging peer image
External Builders and Launchers is an advanced feature that will likely require custom packaging of the peer image. The following steps is the basic walk through to build a peer binary with external builders and launcher capability, please refer to ["External Builders and Launchers"](https://hyperledger-fabric.readthedocs.io/en/release-2.2/cc_launcher.html) for more details.
First of all, download the Hyperledger Fabric source code from ["Fabric github repository"](https://github.com/hyperledger/fabric/tree/master), a version greater than 2.0 is required.
Open the `core.yaml` configuration file under `fabric/sampleconfig`
Modify the field `externalBuilders` as the following:
```
externalBuilders:
- path: /full path to fabric-samples directory/asset-transfer-basic/chaincode-external/sampleBuilder
name: external
environmentWhitelist:
- GOPROXY
```
This configuration sets the name of the external builder as `external`, and the path of the builder scripts to the sampleBuilder scripts provided in this sample.
With completing the configuration setup for peer. We are ready to build the peer binary using the command `make peer`. The peer binary will be located at `fabric/build/bin/peer`.
## Packaging and installing Chaincode
Make sure the value of `CHAINCODE_SERVER_ADDRESS` in `chaincode.env` is correct for the Asset-Transfer-Basic external service you will be running.
The peer needs a `connection.json` configuration file so that it can connect to the external Asset-Transfer-Basic service.
Use the `CHAINCODE_SERVER_ADDRESS` value in `chaincode.env` to create the `connection.json` file with the following command (requires [jq](https://stedolan.github.io/jq/)):
```
env $(cat chaincode.env | grep -v "#" | xargs) jq -n '{"address":env.CHAINCODE_SERVER_ADDRESS,"dial_timeout": "10s","tls_required": false}' > connection.json
```
Add this file to a `code.tar.gz` archive ready for adding to a Asset-Transfer-Basic external service package:
```
tar cfz code.tar.gz connection.json
```
Package the Asset-Transfer-Basic external service using the supplied `metadata.json` file:
```
tar cfz asset-transfer-basic-pkg.tgz metadata.json code.tar.gz
```
Install the `asset-transfer-basic-pkg.tgz` chaincode as usual, for example:
```
peer lifecycle chaincode install ./asset-transfer-basic-pkg.tgz
```
Query installed chaincode to get chaincode package-id:
```
peer lifecycle chaincode queryinstalled --peerAddresses {PEER_ADDRESS}
```
Edit the `chaincode.env` file to configure the `CHAINCODE_ID` variable with obtained chaincode package-id.
## Running the Asset-Transfer-Basic external service
To run the service in a container, build a Asset-Transfer-Basic docker image:
```
docker build -t hyperledger/asset-transfer-basic .
```
Edit the `chaincode.env` file to configure the `CHAINCODE_ID` variable before starting a Asset-Transfer-Basic container using the following command:
```
docker run -it --rm --name asset-transfer-basic.org1.example.com --hostname asset-transfer-basic.org1.example.com --env-file chaincode.env --network=net_test hyperledger/asset-transfer-basic
```
## Starting the Asset-Transfer-Basic external service
Complete the remaining lifecycle steps to start the Asset-Transfer-Basic chaincode!

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/*
SPDX-License-Identifier: Apache-2.0
*/
package main
import (
"encoding/json"
"fmt"
"log"
"os"
"github.com/hyperledger/fabric-chaincode-go/shim"
"github.com/hyperledger/fabric-contract-api-go/contractapi"
)
type serverConfig struct {
CCID string
Address string
}
// SmartContract provides functions for managing a car
type SmartContract struct {
contractapi.Contract
}
// Asset describes basic details of what makes up a simple asset
type Asset struct {
ID string `json:"ID"`
Color string `json:"color"`
Size int `json:"size"`
Owner string `json:"owner"`
AppraisedValue int `json:"appraisedValue"`
}
// QueryResult structure used for handling result of query
type QueryResult struct {
Key string `json:"Key"`
Record *Asset
}
// InitLedger adds a base set of cars to the ledger
func (s *SmartContract) InitLedger(ctx contractapi.TransactionContextInterface) error {
assets := []Asset{
{ID: "asset1", Color: "blue", Size: 5, Owner: "Tomoko", AppraisedValue: 300},
{ID: "asset2", Color: "red", Size: 5, Owner: "Brad", AppraisedValue: 400},
{ID: "asset3", Color: "green", Size: 10, Owner: "Jin Soo", AppraisedValue: 500},
{ID: "asset4", Color: "yellow", Size: 10, Owner: "Max", AppraisedValue: 600},
{ID: "asset5", Color: "black", Size: 15, Owner: "Adriana", AppraisedValue: 700},
{ID: "asset6", Color: "white", Size: 15, Owner: "Michel", AppraisedValue: 800},
}
for _, asset := range assets {
assetJSON, err := json.Marshal(asset)
if err != nil {
return err
}
err = ctx.GetStub().PutState(asset.ID, assetJSON)
if err != nil {
return fmt.Errorf("failed to put to world state: %v", err)
}
}
return nil
}
// CreateAsset issues a new asset to the world state with given details.
func (s *SmartContract) CreateAsset(ctx contractapi.TransactionContextInterface, id, color, owner string, size, appraisedValue int) error {
exists, err := s.AssetExists(ctx, id)
if err != nil {
return err
}
if exists {
return fmt.Errorf("the asset %s already exists", id)
}
asset := Asset{
ID: id,
Color: color,
Size: size,
Owner: owner,
AppraisedValue: appraisedValue,
}
assetJSON, err := json.Marshal(asset)
if err != nil {
return err
}
return ctx.GetStub().PutState(id, assetJSON)
}
// ReadAsset returns the asset stored in the world state with given id.
func (s *SmartContract) ReadAsset(ctx contractapi.TransactionContextInterface, id string) (*Asset, error) {
assetJSON, err := ctx.GetStub().GetState(id)
if err != nil {
return nil, fmt.Errorf("failed to read from world state. %s", err.Error())
}
if assetJSON == nil {
return nil, fmt.Errorf("the asset %s does not exist", id)
}
var asset *Asset
err = json.Unmarshal(assetJSON, asset)
if err != nil {
return nil, err
}
return asset, nil
}
// UpdateAsset updates an existing asset in the world state with provided parameters.
func (s *SmartContract) UpdateAsset(ctx contractapi.TransactionContextInterface, id, color, owner string, size, appraisedValue int) error {
exists, err := s.AssetExists(ctx, id)
if err != nil {
return err
}
if !exists {
return fmt.Errorf("the asset %s does not exist", id)
}
// overwritting original asset with new asset
asset := Asset{
ID: id,
Color: color,
Size: size,
Owner: owner,
AppraisedValue: appraisedValue,
}
assetJSON, err := json.Marshal(asset)
if err != nil {
return err
}
return ctx.GetStub().PutState(id, assetJSON)
}
// DeleteAsset deletes an given asset from the world state.
func (s *SmartContract) DeleteAsset(ctx contractapi.TransactionContextInterface, id string) error {
exists, err := s.AssetExists(ctx, id)
if err != nil {
return err
}
if !exists {
return fmt.Errorf("the asset %s does not exist", id)
}
return ctx.GetStub().DelState(id)
}
// AssetExists returns true when asset with given ID exists in world state
func (s *SmartContract) AssetExists(ctx contractapi.TransactionContextInterface, id string) (bool, error) {
assetJSON, err := ctx.GetStub().GetState(id)
if err != nil {
return false, fmt.Errorf("failed to read from world state. %s", err.Error())
}
return assetJSON != nil, nil
}
// GetAllAssets returns all assets found in world state
func (s *SmartContract) GetAllAssets(ctx contractapi.TransactionContextInterface) ([]QueryResult, error) {
// range query with empty string for startKey and endKey does an open-ended query of all assets in the chaincode namespace.
resultsIterator, err := ctx.GetStub().GetStateByRange("", "")
if err != nil {
return nil, err
}
defer resultsIterator.Close()
var results []QueryResult
for resultsIterator.HasNext() {
queryResponse, err := resultsIterator.Next()
if err != nil {
return nil, err
}
var asset *Asset
err = json.Unmarshal(queryResponse.Value, asset)
if err != nil {
return nil, err
}
queryResult := QueryResult{Key: queryResponse.Key, Record: asset}
results = append(results, queryResult)
}
return results, nil
}
func main() {
// See chaincode.env.example
config := serverConfig{
CCID: os.Getenv("CHAINCODE_ID"),
Address: os.Getenv("CHAINCODE_SERVER_ADDRESS"),
}
chaincode, err := contractapi.NewChaincode(&SmartContract{})
if err != nil {
log.Panicf("error create asset-transfer-basic chaincode: %s", err)
}
server := &shim.ChaincodeServer{
CCID: config.CCID,
Address: config.Address,
CC: chaincode,
TLSProps: shim.TLSProperties{
Disabled: true,
},
}
if err := server.Start(); err != nil {
log.Panicf("error starting asset-transfer-basic chaincode: %s", err)
}
}

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# CHAINCODE_SERVER_ADDRESS must be set to the host and port where the peer can
# connect to the chaincode server
CHAINCODE_SERVER_ADDRESS=asset-transfer-basic.org1.example.com:9999
# CHAINCODE_ID must be set to the Package ID that is assigned to the chaincode
# on install. The `peer lifecycle chaincode queryinstalled` command can be
# used to get the ID after install if required
CHAINCODE_ID=asset-transfer-basic:...

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module github.com/hyperledger/fabric-samples/asset-transfer-basic/chaincode-external
go 1.14
require (
github.com/hyperledger/fabric-chaincode-go v0.0.0-20200424173110-d7076418f212
github.com/hyperledger/fabric-contract-api-go v1.1.0
)

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github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f h1:J9EGpcZtP0E/raorCMxlFGSTBrsSlaDGf3jU/qvAE2c=
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 h1:EzJWgHovont7NscjpAxXsDA8S8BMYve8Y5+7cuRE7R0=
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
github.com/xeipuuv/gojsonschema v1.2.0 h1:LhYJRs+L4fBtjZUfuSZIKGeVu0QRy8e5Xi7D17UxZ74=
github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM=
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190515120540-06a5c4944438/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190710143415-6ec70d6a5542 h1:6ZQFf1D2YYDDI7eSwW8adlkkavTB9sw5I24FVtEvNUQ=
golang.org/x/sys v0.0.0-20190710143415-6ec70d6a5542/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20190624180213-70d37148ca0c/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20180831171423-11092d34479b h1:lohp5blsw53GBXtLyLNaTXPXS9pJ1tiTw61ZHUoE9Qw=
google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/grpc v1.23.0 h1:AzbTB6ux+okLTzP8Ru1Xs41C303zdcfEht7MQnYJt5A=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

View file

@ -0,0 +1,4 @@
{
"type": "external",
"label": "asset-transfer-basic"
}

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@ -0,0 +1,22 @@
#!/bin/bash
echo "!! DL build script invoked"
set -euo pipefail
SOURCE=$1
OUTPUT=$3
#external chaincodes expect connection.json file in the chaincode package
if [ ! -f "$SOURCE/connection.json" ]; then
>&2 echo "$SOURCE/connection.json not found"
exit 1
fi
#simply copy the endpoint information to specified output location
cp $SOURCE/connection.json $OUTPUT/connection.json
if [ -d "$SOURCE/metadata" ]; then
cp -a $SOURCE/metadata $OUTPUT/metadata
fi
exit 0

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@ -0,0 +1,13 @@
#!/bin/bash
echo "!! DL detect script invoked"
set -euo pipefail
METADIR=$2
#check if the "type" field is set to "external"
if [ "$(jq -r .type "$METADIR/metadata.json")" == "external" ]; then
exit 0
fi
exit 1

View file

@ -0,0 +1,23 @@
#!/bin/bash
echo "!! DL release script invoked"
set -euo pipefail
BLD="$1"
RELEASE="$2"
if [ -d "$BLD/metadata" ]; then
cp -a "$BLD/metadata/"* "$RELEASE/"
fi
#external chaincodes expect artifacts to be placed under "$RELEASE"/chaincode/server
if [ -f $BLD/connection.json ]; then
mkdir -p "$RELEASE"/chaincode/server
cp $BLD/connection.json "$RELEASE"/chaincode/server
#if tls_required is true, copy TLS files (using above example, the fully qualified path for these fils would be "$RELEASE"/chaincode/server/tls)
exit 0
fi
exit 1