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Content of json file being included in BC

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This commit is contained in:
Fernando Garzon 2022-10-21 16:14:26 -07:00
parent fdffcb5784
commit 7cdf27efa3
1 changed files with 66 additions and 10 deletions
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76
asset-transfer-basic/chaincode-go/chaincode/smartcontract.go
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@ -6,6 +6,9 @@ import (
"github.com/hyperledger/fabric-contract-api-go/contractapi"
"github.com/xeipuuv/gojsonschema"
"io/ioutil"
"log"
)
// SmartContract provides functions for managing an Asset
@ -42,17 +45,49 @@ type SmartContract struct {
// golang keeps the order when marshal to json but doesn't order automatically
type Data struct {
Contributor string `json:"Contributor"`
ContributorId string `json:"ContributorId"`
ContentHash string `json:"ContentHash"`
Id string `json:"Id"`
Owners []string `json:"Owners"`
Contributor string `json:"Contributor"`
ContributorId string `json:"ContributorId"`
ContentHash string `json:"ContentHash"`
Id string `json:"Id"`
Owners []string `json:"Owners"`
JsonFileContent map[string]interface{}
}
type Schema struct {
Contributor string `json:"Contributor"`
ContributorId string `json:"ContributorId"`
ContentHash string `json:"ContentHash"`
Id string `json:"Id"`
Owners []string `json:"Owners"`
JsonFileContent map[string]interface{}
}
// InitLedger adds a base set of Data entries to the ledger
func (s *SmartContract) InitLedger(ctx contractapi.TransactionContextInterface) error {
func (s *SmartContract) InitLedger(ctx contractapi.TransactionContextInterface, pathSchema string, pathFirstJsonFile string) (error) {
// We use the function jsonReader in order to read the content of the shcema Json File. The schema Json file is composed by us and inserted into
// the docker container of the commited chaincode (For now)
schemaJsonFileContent := jsonReader(ctx, pathSchema)
firstJsonFileContent := jsonReader(ctx, pathFirstJsonFile)
dataEntries := []Data{
{Contributor: "pepitoperes@email.com", ContributorId: "ABC123", ContentHash: "ZXCVBNM", Id: "00000", Owners: []string{"CIA", "DEA", "FBI"}},
{Contributor: "pepitoperes@email.com", ContributorId: "ABC123", ContentHash: "ZXCVBNM", Id: "00000", Owners: []string{"CIA", "DEA", "FBI"}, firstJsonFileContent},
}
schema := Schema{
{Contributor: "pepitoperes@email.com", ContributorId: "ABC123", ContentHash: "ZXCVBNM", Id: "00000", Owners: []string{"CIA", "DEA", "FBI"}, schemaJsonFileContent},
}
for _, data := range schema {
assetJSON, err := json.Marshal(data)
if err != nil {
return err
}
err = ctx.GetStub().PutState(data.Id, assetJSON)
if err != nil {
return fmt.Errorf("failed to put to world state. %v", err)
}
}
for _, data := range dataEntries {
@ -67,7 +102,23 @@ func (s *SmartContract) InitLedger(ctx contractapi.TransactionContextInterface)
}
}
return nil
return schema, nil
}
func (s *SmartContract) JsonReader(ctx contractapi.TransactionContextInterface, path string) (map[string]interface{}, error) {
content, err := ioutil.ReadFile(path)
if err != nil {
log.Fatal("Error when opening file: ", err)
}
// Now let's unmarshall the data into `payload`
var payload map[string]interface{}
err = json.Unmarshal(content, &payload)
if err != nil {
log.Fatal("Error during Unmarshal(): ", err)
}
return payload != nil, nil
}
// GetAllAssets returns all assets found in world state
@ -115,7 +166,11 @@ func (s *SmartContract) ValidJson(ctx contractapi.TransactionContextInterface) (
//schemaLoader := gojsonschema.NewReferenceLoader("file:///Users/fernando/Projects/OSC-IS/fabric-samples/test-network/JsonSchemaValidationTests/Schema.json")
//documentLoader := gojsonschema.NewReferenceLoader("file:////Users/fernando/Projects/OSC-IS/fabric-samples/test-network/JsonSchemaValidationTests/testFile.json")
schemaLoader := gojsonschema.NewReferenceLoader("file:///home/chaincode/Schema.json")
//schemaLoader := gojsonschema.NewReferenceLoader("file:///home/chaincode/Schema.json")
//documentLoader := gojsonschema.NewReferenceLoader("file:////home/chaincode/testFile.json")
m := schema.JsonFileContent.JsonFileContent
schemaLoader := gojsonschema.NewGoLoader(m)
documentLoader := gojsonschema.NewReferenceLoader("file:////home/chaincode/testFile.json")
result, err := gojsonschema.Validate(schemaLoader, documentLoader)
@ -159,7 +214,8 @@ func (s *SmartContract) CreateDataSample(ctx contractapi.TransactionContextInter
ContributorId: ContributorId,
ContentHash: ContentHash,
Id: Id,
Owners: []string{"DOE", "DOS", "DOJ"}}
Owners: []string{"DOE", "DOS", "DOJ"}},
JsonFileContent:
assetJSON, err := json.Marshal(data)
if err != nil {