mirror of
https://github.com/hyperledger/fabric-samples.git
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issue 1376
This commit is contained in:
vishal
parent
a2c40e6522
commit
5d139faea4
7 changed files with 479 additions and 0 deletions
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@ -0,0 +1,15 @@
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# Go chaincode for the full-stack asset transfer guide
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This folder contains a Go implementation of the `asset-transfer` smart contract used by the full-stack asset transfer guide.
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The contract implements the following operations:
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- `CreateAsset`
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- `ReadAsset`
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- `UpdateAsset`
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- `DeleteAsset`
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- `AssetExists`
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- `TransferAsset`
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- `GetAllAssets`
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The implementation preserves the same asset data model and state-based endorsement behavior as the existing TypeScript contract implementation.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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---
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smart_contract_name: "asset-transfer"
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smart_contract_version: "1.0.0"
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smart_contract_sequence: 1
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smart_contract_package: "asset-transfer.tgz"
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# smart_contract_constructor: "initLedger"
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smart_contract_endorsement_policy: ""
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smart_contract_collections_file: ""
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package main
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type Asset struct {
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ID string `json:"ID"`
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Color string `json:"Color"`
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Owner string `json:"Owner"`
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AppraisedValue int `json:"AppraisedValue"`
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Size int `json:"Size"`
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}
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type ownerIdentifier struct {
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Org string `json:"org"`
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User string `json:"user"`
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}
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@ -0,0 +1,312 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"regexp"
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"github.com/hyperledger/fabric-chaincode-go/v2/pkg/statebased"
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"github.com/hyperledger/fabric-contract-api-go/v2/contractapi"
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)
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type SmartContract struct {
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contractapi.Contract
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}
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func (s *SmartContract) CreateAsset(ctx contractapi.TransactionContextInterface, asset Asset) error {
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if asset.ID == "" {
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return fmt.Errorf("Missing ID")
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}
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if asset.Owner == "" {
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return fmt.Errorf("Missing Owner")
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}
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exists, err := s.AssetExists(ctx, asset.ID)
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if err != nil {
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return err
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}
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if exists {
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return fmt.Errorf("The asset %s already exists", asset.ID)
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}
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ownerID, err := clientIdentifier(ctx, asset.Owner)
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if err != nil {
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return err
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}
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asset.Owner, err = toJSON(ownerID)
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if err != nil {
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return err
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}
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assetBytes, err := json.Marshal(asset)
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if err != nil {
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return fmt.Errorf("failed to marshal asset: %v", err)
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}
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if err := ctx.GetStub().PutState(asset.ID, assetBytes); err != nil {
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return fmt.Errorf("failed to put asset state: %v", err)
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}
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mspID, err := ctx.GetClientIdentity().GetMSPID()
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if err != nil {
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return fmt.Errorf("failed to get client MSPID: %v", err)
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}
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if err := setEndorsingOrgs(ctx, asset.ID, mspID); err != nil {
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return err
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}
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return ctx.GetStub().SetEvent("CreateAsset", assetBytes)
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}
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func (s *SmartContract) ReadAsset(ctx contractapi.TransactionContextInterface, id string) (*Asset, error) {
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asset, err := s.readAsset(ctx, id)
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if err != nil {
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return nil, err
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}
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return asset, nil
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}
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func (s *SmartContract) readAsset(ctx contractapi.TransactionContextInterface, id string) (*Asset, error) {
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assetBytes, err := ctx.GetStub().GetState(id)
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if err != nil {
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return nil, fmt.Errorf("failed to read asset: %v", err)
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}
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if len(assetBytes) == 0 {
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return nil, fmt.Errorf("Sorry, asset %s has not been created", id)
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}
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var asset Asset
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if err := json.Unmarshal(assetBytes, &asset); err != nil {
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return nil, fmt.Errorf("failed to unmarshal asset: %v", err)
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}
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return &asset, nil
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}
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func (s *SmartContract) UpdateAsset(ctx contractapi.TransactionContextInterface, assetUpdate Asset) error {
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if assetUpdate.ID == "" {
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return fmt.Errorf("No asset ID specified")
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}
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existingAsset, err := s.readAsset(ctx, assetUpdate.ID)
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if err != nil {
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return err
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}
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permission, err := hasWritePermission(ctx, existingAsset)
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if err != nil {
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return err
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}
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if !permission {
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return fmt.Errorf("Only owner can update assets")
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}
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updatedAsset := *existingAsset
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if assetUpdate.Color != "" {
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updatedAsset.Color = assetUpdate.Color
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}
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if assetUpdate.Size != 0 {
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updatedAsset.Size = assetUpdate.Size
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}
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if assetUpdate.AppraisedValue != 0 {
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updatedAsset.AppraisedValue = assetUpdate.AppraisedValue
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}
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updatedAsset.Owner = existingAsset.Owner
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updatedBytes, err := json.Marshal(updatedAsset)
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if err != nil {
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return fmt.Errorf("failed to marshal updated asset: %v", err)
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}
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if err := ctx.GetStub().PutState(updatedAsset.ID, updatedBytes); err != nil {
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return fmt.Errorf("failed to update asset state: %v", err)
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}
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mspID, err := ctx.GetClientIdentity().GetMSPID()
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if err != nil {
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return fmt.Errorf("failed to get client MSPID: %v", err)
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}
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if err := setEndorsingOrgs(ctx, updatedAsset.ID, mspID); err != nil {
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return err
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}
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return ctx.GetStub().SetEvent("UpdateAsset", updatedBytes)
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}
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func (s *SmartContract) DeleteAsset(ctx contractapi.TransactionContextInterface, id string) error {
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asset, err := s.readAsset(ctx, id)
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if err != nil {
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return err
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}
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permission, err := hasWritePermission(ctx, asset)
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if err != nil {
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return err
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}
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if !permission {
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return fmt.Errorf("Only owner can delete assets")
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}
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assetBytes, err := json.Marshal(asset)
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if err != nil {
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return fmt.Errorf("failed to marshal deleted asset: %v", err)
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}
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if err := ctx.GetStub().DelState(id); err != nil {
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return fmt.Errorf("failed to delete asset state: %v", err)
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}
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if err := ctx.GetStub().SetEvent("DeleteAsset", assetBytes); err != nil {
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return fmt.Errorf("failed to set delete event: %v", err)
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}
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return nil
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}
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func (s *SmartContract) AssetExists(ctx contractapi.TransactionContextInterface, id string) (bool, error) {
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assetJSON, err := ctx.GetStub().GetState(id)
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if err != nil {
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return false, fmt.Errorf("failed to read asset state: %v", err)
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}
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return len(assetJSON) > 0, nil
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}
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func (s *SmartContract) TransferAsset(ctx contractapi.TransactionContextInterface, id string, newOwner string, newOwnerOrg string) error {
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asset, err := s.readAsset(ctx, id)
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if err != nil {
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return err
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}
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permission, err := hasWritePermission(ctx, asset)
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if err != nil {
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return err
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}
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if !permission {
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return fmt.Errorf("Only owner can transfer assets")
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}
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ownerID := ownerIdentifier{Org: newOwnerOrg, User: newOwner}
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asset.Owner, err = toJSON(ownerID)
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if err != nil {
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return err
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}
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assetBytes, err := json.Marshal(asset)
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if err != nil {
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return fmt.Errorf("failed to marshal transferred asset: %v", err)
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}
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if err := ctx.GetStub().PutState(id, assetBytes); err != nil {
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return fmt.Errorf("failed to update asset state: %v", err)
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}
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if err := setEndorsingOrgs(ctx, id, newOwnerOrg); err != nil {
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return err
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}
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return ctx.GetStub().SetEvent("TransferAsset", assetBytes)
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}
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func (s *SmartContract) GetAllAssets(ctx contractapi.TransactionContextInterface) ([]*Asset, error) {
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iterator, err := ctx.GetStub().GetStateByRange("", "")
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if err != nil {
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return nil, fmt.Errorf("failed to get assets by range: %v", err)
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}
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defer iterator.Close()
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var assets []*Asset
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for iterator.HasNext() {
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queryResponse, err := iterator.Next()
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if err != nil {
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return nil, fmt.Errorf("failed to iterate assets: %v", err)
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}
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var asset Asset
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if err := json.Unmarshal(queryResponse.Value, &asset); err != nil {
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continue
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}
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assets = append(assets, &asset)
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}
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return assets, nil
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}
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func hasWritePermission(ctx contractapi.TransactionContextInterface, asset *Asset) (bool, error) {
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clientID, err := clientIdentifier(ctx, "")
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if err != nil {
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return false, err
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}
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var owner ownerIdentifier
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if err := json.Unmarshal([]byte(asset.Owner), &owner); err != nil {
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return false, fmt.Errorf("failed to unmarshal owner identifier: %v", err)
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}
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return clientID.Org == owner.Org, nil
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}
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func clientIdentifier(ctx contractapi.TransactionContextInterface, user string) (ownerIdentifier, error) {
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mspID, err := ctx.GetClientIdentity().GetMSPID()
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if err != nil {
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return ownerIdentifier{}, fmt.Errorf("failed to get client MSPID: %v", err)
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}
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if user == "" {
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commonName, err := clientCommonName(ctx)
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if err != nil {
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return ownerIdentifier{}, err
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}
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user = commonName
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}
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return ownerIdentifier{Org: mspID, User: user}, nil
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}
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func clientCommonName(ctx contractapi.TransactionContextInterface) (string, error) {
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cert, err := ctx.GetClientIdentity().GetX509Certificate()
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if err != nil {
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return "", fmt.Errorf("failed to read client certificate: %v", err)
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}
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if cert.Subject.CommonName != "" {
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return cert.Subject.CommonName, nil
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}
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matches := regexp.MustCompile(`^CN=(.*)$`).FindStringSubmatch(cert.Subject.String())
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if len(matches) != 2 {
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return "", fmt.Errorf("unable to identify client identity common name: %s", cert.Subject.String())
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}
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return matches[1], nil
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}
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func ownerIdentifier(user string, org string) ownerIdentifier {
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return ownerIdentifier{Org: org, User: user}
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}
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func toJSON(o interface{}) (string, error) {
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bytes, err := json.Marshal(o)
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if err != nil {
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return "", fmt.Errorf("failed to marshal owner identifier: %v", err)
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}
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return string(bytes), nil
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}
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func setEndorsingOrgs(ctx contractapi.TransactionContextInterface, ledgerKey string, orgs ...string) error {
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policy, err := statebased.NewStateEP(nil)
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if err != nil {
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return fmt.Errorf("failed to create state endorsement policy: %v", err)
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}
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if err := policy.AddOrgs(statebased.RoleTypePeer, orgs...); err != nil {
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return fmt.Errorf("failed to add orgs to endorsement policy: %v", err)
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}
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policyBytes, err := policy.Policy()
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if err != nil {
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return fmt.Errorf("failed to marshal endorsement policy: %v", err)
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}
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return ctx.GetStub().SetStateValidationParameter(ledgerKey, policyBytes)
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}
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@ -0,0 +1,28 @@
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module github.com/hyperledger/fabric-samples/full-stack-asset-transfer-guide/contracts/asset-transfer-go
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go 1.23.0
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require (
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github.com/hyperledger/fabric-chaincode-go/v2 v2.0.0
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github.com/hyperledger/fabric-contract-api-go/v2 v2.2.0
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)
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|
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require (
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github.com/go-openapi/jsonpointer v0.21.0 // indirect
|
||||
github.com/go-openapi/jsonreference v0.21.0 // indirect
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github.com/go-openapi/spec v0.21.0 // indirect
|
||||
github.com/go-openapi/swag v0.23.0 // indirect
|
||||
github.com/hyperledger/fabric-protos-go-apiv2 v0.3.4 // indirect
|
||||
github.com/josharian/intern v1.0.0 // indirect
|
||||
github.com/mailru/easyjson v0.7.7 // indirect
|
||||
github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
|
||||
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
|
||||
github.com/xeipuuv/gojsonschema v1.2.0 // indirect
|
||||
golang.org/x/net v0.38.0 // indirect
|
||||
golang.org/x/sys v0.31.0 // indirect
|
||||
golang.org/x/text v0.23.0 // indirect
|
||||
google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f // indirect
|
||||
google.golang.org/grpc v1.71.0 // indirect
|
||||
google.golang.org/protobuf v1.36.4 // indirect
|
||||
gopkg.in/yaml.v3 v3.0.1 // indirect
|
||||
)
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|
|
@ -0,0 +1,81 @@
|
|||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
|
||||
github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
|
||||
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
|
||||
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
|
||||
github.com/go-openapi/jsonpointer v0.21.0 h1:YgdVicSA9vH5RiHs9TZW5oyafXZFc6+2Vc1rr/O9oNQ=
|
||||
github.com/go-openapi/jsonpointer v0.21.0/go.mod h1:IUyH9l/+uyhIYQ/PXVA41Rexl+kOkAPDdXEYns6fzUY=
|
||||
github.com/go-openapi/jsonreference v0.21.0 h1:Rs+Y7hSXT83Jacb7kFyjn4ijOuVGSvOdF2+tg1TRrwQ=
|
||||
github.com/go-openapi/jsonreference v0.21.0/go.mod h1:LmZmgsrTkVg9LG4EaHeY8cBDslNPMo06cago5JNLkm4=
|
||||
github.com/go-openapi/spec v0.21.0 h1:LTVzPc3p/RzRnkQqLRndbAzjY0d0BCL72A6j3CdL9ZY=
|
||||
github.com/go-openapi/spec v0.21.0/go.mod h1:78u6VdPw81XU44qEWGhtr982gJ5BWg2c0I5XwVMotYk=
|
||||
github.com/go-openapi/swag v0.23.0 h1:vsEVJDUo2hPJ2tu0/Xc+4noaxyEffXNIs3cOULZ+GrE=
|
||||
github.com/go-openapi/swag v0.23.0/go.mod h1:esZ8ITTYEsH1V2trKHjAN8Ai7xHb8RV+YSZ577vPjgQ=
|
||||
github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
|
||||
github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
|
||||
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
|
||||
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
|
||||
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
|
||||
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
|
||||
github.com/hyperledger/fabric-chaincode-go/v2 v2.0.0 h1:IhkHfrl5X/fVnmB6pWeCYCdIJRi9bxj+WTnVN8DtW3c=
|
||||
github.com/hyperledger/fabric-chaincode-go/v2 v2.0.0/go.mod h1:PHHaFffjw7p7n9bmCfcm7RqDqYdivNEsJdiNIKZo5Lk=
|
||||
github.com/hyperledger/fabric-contract-api-go/v2 v2.2.0 h1:rmUoBmciB0GL/miqcbJmJbgp5QTWoJUrZo+CNxrNLF4=
|
||||
github.com/hyperledger/fabric-contract-api-go/v2 v2.2.0/go.mod h1:FeWeO/jwGjiME7ak3GufqKIcwkejtzrDG4QxbfKydWs=
|
||||
github.com/hyperledger/fabric-protos-go-apiv2 v0.3.4 h1:YJrd+gMaeY0/vsN0aS0QkEKTivGoUnSRIXxGJ7KI+Pc=
|
||||
github.com/hyperledger/fabric-protos-go-apiv2 v0.3.4/go.mod h1:bau/6AJhvEcu9GKKYHlDXAxXKzYNfhP6xu2GXuxEcFk=
|
||||
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
|
||||
github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
|
||||
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
|
||||
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
|
||||
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
|
||||
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
|
||||
github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
|
||||
github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
|
||||
github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
|
||||
github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
|
||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
|
||||
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
|
||||
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
|
||||
github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb h1:zGWFAtiMcyryUHoUjUJX0/lt1H2+i2Ka2n+D3DImSNo=
|
||||
github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb/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=
|
||||
go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
|
||||
go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
|
||||
go.opentelemetry.io/otel v1.34.0 h1:zRLXxLCgL1WyKsPVrgbSdMN4c0FMkDAskSTQP+0hdUY=
|
||||
go.opentelemetry.io/otel v1.34.0/go.mod h1:OWFPOQ+h4G8xpyjgqo4SxJYdDQ/qmRH+wivy7zzx9oI=
|
||||
go.opentelemetry.io/otel/metric v1.34.0 h1:+eTR3U0MyfWjRDhmFMxe2SsW64QrZ84AOhvqS7Y+PoQ=
|
||||
go.opentelemetry.io/otel/metric v1.34.0/go.mod h1:CEDrp0fy2D0MvkXE+dPV7cMi8tWZwX3dmaIhwPOaqHE=
|
||||
go.opentelemetry.io/otel/sdk v1.34.0 h1:95zS4k/2GOy069d321O8jWgYsW3MzVV+KuSPKp7Wr1A=
|
||||
go.opentelemetry.io/otel/sdk v1.34.0/go.mod h1:0e/pNiaMAqaykJGKbi+tSjWfNNHMTxoC9qANsCzbyxU=
|
||||
go.opentelemetry.io/otel/sdk/metric v1.34.0 h1:5CeK9ujjbFVL5c1PhLuStg1wxA7vQv7ce1EK0Gyvahk=
|
||||
go.opentelemetry.io/otel/sdk/metric v1.34.0/go.mod h1:jQ/r8Ze28zRKoNRdkjCZxfs6YvBTG1+YIqyFVFYec5w=
|
||||
go.opentelemetry.io/otel/trace v1.34.0 h1:+ouXS2V8Rd4hp4580a8q23bg0azF2nI8cqLYnC8mh/k=
|
||||
go.opentelemetry.io/otel/trace v1.34.0/go.mod h1:Svm7lSjQD7kG7KJ/MUHPVXSDGz2OX4h0M2jHBhmSfRE=
|
||||
golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
|
||||
golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
|
||||
golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
|
||||
golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
|
||||
golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
|
||||
golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
|
||||
google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f h1:BWUVssLB0HVOSY78gIdvk1dTVYtT1y8SBWtPYuTJ/6w=
|
||||
google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f/go.mod h1:RGgjbofJ8xD9Sq1VVhDM1Vok1vRONV+rg+CjzG4SZKM=
|
||||
google.golang.org/grpc v1.71.0 h1:kF77BGdPTQ4/JZWMlb9VpJ5pa25aqvVqogsxNHHdeBg=
|
||||
google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
|
||||
google.golang.org/protobuf v1.36.4 h1:6A3ZDJHn/eNqc1i+IdefRzy/9PokBTPvcqMySR7NNIM=
|
||||
google.golang.org/protobuf v1.36.4/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
|
||||
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
|
||||
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
|
||||
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"log"
|
||||
|
||||
"github.com/hyperledger/fabric-contract-api-go/v2/contractapi"
|
||||
)
|
||||
|
||||
func main() {
|
||||
chaincode, err := contractapi.NewChaincode(new(SmartContract))
|
||||
if err != nil {
|
||||
log.Panicf("Error creating asset-transfer chaincode: %v", err)
|
||||
}
|
||||
|
||||
if err := chaincode.Start(); err != nil {
|
||||
log.Panicf("Error starting asset-transfer chaincode: %v", err)
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue