From f50b52ad5617ce6bf18ef1b7c0fffb25a39802fd Mon Sep 17 00:00:00 2001 From: Dave Enyeart Date: Wed, 23 Feb 2022 03:34:40 -0500 Subject: [PATCH] Remove duplicate erc-721 Go chaincode sample (#656) erc-721 Go chaincode was delivered to both /go and /chaincode-go directories. This commit removes the /go implementation. Signed-off-by: David Enyeart --- token-erc-721/go/erc721-contract.go | 619 ----------------------- token-erc-721/go/erc721-contract_test.go | 282 ----------- token-erc-721/go/erc721.go | 25 - token-erc-721/go/go.mod | 38 -- token-erc-721/go/go.sum | 146 ------ token-erc-721/go/main.go | 34 -- 6 files changed, 1144 deletions(-) delete mode 100644 token-erc-721/go/erc721-contract.go delete mode 100644 token-erc-721/go/erc721-contract_test.go delete mode 100644 token-erc-721/go/erc721.go delete mode 100644 token-erc-721/go/go.mod delete mode 100644 token-erc-721/go/go.sum delete mode 100644 token-erc-721/go/main.go diff --git a/token-erc-721/go/erc721-contract.go b/token-erc-721/go/erc721-contract.go deleted file mode 100644 index 33b75a0b..00000000 --- a/token-erc-721/go/erc721-contract.go +++ /dev/null @@ -1,619 +0,0 @@ -package main - -import ( - "encoding/base64" - "encoding/json" - "fmt" - - "github.com/hyperledger/fabric-contract-api-go/contractapi" -) - -// Define objectType names for prefix -const balancePrefix = "balance" -const nftPrefix = "nft" -const approvalPrefix = "approval" - -// Define key names for options -const nameKey = "name" -const symbolKey = "symbol" - -// TokenERC721Contract contract for managing CRUD for HlpNft -type TokenERC721Contract struct { - contractapi.Contract -} - -func _readNFT(ctx contractapi.TransactionContextInterface, tokenId string) (*Nft, error) { - nftKey, err := ctx.GetStub().CreateCompositeKey(nftPrefix, []string{tokenId}) - if err != nil { - return nil, fmt.Errorf("failed to CreateCompositeKey %s: %v", tokenId, err) - } - - nftBytes, err := ctx.GetStub().GetState(nftKey) - if err != nil { - return nil, fmt.Errorf("failed to GetState %s: %v", tokenId, err) - } - - nft := new(Nft) - err = json.Unmarshal(nftBytes, nft) - if err != nil { - return nil, fmt.Errorf("failed to Unmarshal nftBytes: %v", err) - } - - return nft, nil -} - -func _nftExists(ctx contractapi.TransactionContextInterface, tokenId string) bool { - nftKey, err := ctx.GetStub().CreateCompositeKey(nftPrefix, []string{tokenId}) - if err != nil { - panic("error creating CreateCompositeKey:" + err.Error()) - } - - nftBytes, err := ctx.GetStub().GetState(nftKey) - if err != nil { - panic("error GetState nftBytes:" + err.Error()) - } - - return len(nftBytes) > 0 -} - -// BalanceOf counts all non-fungible tokens assigned to an owner -// param owner {String} An owner for whom to query the balance -// returns {int} The number of non-fungible tokens owned by the owner, possibly zero -func (c *TokenERC721Contract) BalanceOf(ctx contractapi.TransactionContextInterface, owner string) int { - // There is a key record for every non-fungible token in the format of balancePrefix.owner.tokenId. - // BalanceOf() queries for and counts all records matching balancePrefix.owner.* - - iterator, err := ctx.GetStub().GetStateByPartialCompositeKey(balancePrefix, []string{owner}) - if err != nil { - panic("Error creating asset chaincode:" + err.Error()) - } - - // Count the number of returned composite keys - balance := 0 - for iterator.HasNext() { - _, err := iterator.Next() - if err != nil { - return 0 - } - balance++ - - } - return balance -} - -// OwnerOf finds the owner of a non-fungible token -// param {String} tokenId The identifier for a non-fungible token -// returns {String} Return the owner of the non-fungible token -func (c *TokenERC721Contract) OwnerOf(ctx contractapi.TransactionContextInterface, tokenId string) (string, error) { - nft, err := _readNFT(ctx, tokenId) - if err != nil { - return "", fmt.Errorf("could not process OwnerOf for tokenId: %w", err) - } - - return nft.Owner, nil -} - -// Approve changes or reaffirms the approved client for a non-fungible token -// param {String} operator The new approved client -// param {String} tokenId the non-fungible token to approve -// returns {Boolean} Return whether the approval was successful or not -func (c *TokenERC721Contract) Approve(ctx contractapi.TransactionContextInterface, operator string, tokenId string) (bool, error) { - sender64, err := ctx.GetClientIdentity().GetID() - if err != nil { - return false, fmt.Errorf("failed to GetClientIdentity: %v", err) - } - - senderBytes, err := base64.StdEncoding.DecodeString(sender64) - if err != nil { - return false, fmt.Errorf("failed to DecodeString senderBytes: %v", err) - } - sender := string(senderBytes) - - nft, err := _readNFT(ctx, tokenId) - if err != nil { - return false, fmt.Errorf("failed to _readNFT: %v", err) - } - - // Check if the sender is the current owner of the non-fungible token - // or an authorized operator of the current owner - owner := nft.Owner - operatorApproval, err := c.IsApprovedForAll(ctx, owner, sender) - if err != nil { - return false, fmt.Errorf("failed to get IsApprovedForAll: %v", err) - } - if owner != sender && !operatorApproval { - return false, fmt.Errorf("the sender is not the current owner nor an authorized operator") - } - - // Update the approved operator of the non-fungible token - nft.Approved = operator - nftKey, err := ctx.GetStub().CreateCompositeKey(nftPrefix, []string{tokenId}) - if err != nil { - return false, fmt.Errorf("failed to CreateCompositeKey %s: %v", nftKey, err) - } - - nftBytes, err := json.Marshal(nft) - if err != nil { - return false, fmt.Errorf("failed to marshal nftBytes: %v", err) - } - - err = ctx.GetStub().PutState(nftKey, nftBytes) - if err != nil { - return false, fmt.Errorf("failed to PutState for nftKey: %v", err) - } - - return true, nil -} - -// SetApprovalForAll enables or disables approval for a third party ("operator") -// to manage all the message sender's assets -// param {String} operator A client to add to the set of authorized operators -// param {Boolean} approved True if the operator is approved, false to revoke approval -// returns {Boolean} Return whether the approval was successful or not -func (c *TokenERC721Contract) SetApprovalForAll(ctx contractapi.TransactionContextInterface, operator string, approved bool) (bool, error) { - sender64, err := ctx.GetClientIdentity().GetID() - if err != nil { - return false, fmt.Errorf("failed to GetClientIdentity: %v", err) - } - - senderBytes, err := base64.StdEncoding.DecodeString(sender64) - if err != nil { - return false, fmt.Errorf("failed to DecodeString sender: %v", err) - } - sender := string(senderBytes) - - nftApproval := new(Approval) - nftApproval.Owner = sender - nftApproval.Operator = operator - nftApproval.Approved = approved - - approvalKey, err := ctx.GetStub().CreateCompositeKey(approvalPrefix, []string{sender, operator}) - if err != nil { - return false, fmt.Errorf("failed to CreateCompositeKey: %v", err) - } - - approvalBytes, err := json.Marshal(nftApproval) - if err != nil { - return false, fmt.Errorf("failed to marshal approvalBytes: %v", err) - } - - err = ctx.GetStub().PutState(approvalKey, approvalBytes) - if err != nil { - return false, fmt.Errorf("failed to PutState approvalBytes: %v", err) - } - - // Emit the ApprovalForAll event - err = ctx.GetStub().SetEvent("ApprovalForAll", approvalBytes) - if err != nil { - return false, fmt.Errorf("failed to SetEvent ApprovalForAll: %v", err) - } - - return true, nil -} - -// IsApprovedForAll returns if a client is an authorized operator for another client -// param {String} owner The client that owns the non-fungible tokens -// param {String} operator The client that acts on behalf of the owner -// returns {Boolean} Return true if the operator is an approved operator for the owner, false otherwise -func (c *TokenERC721Contract) IsApprovedForAll(ctx contractapi.TransactionContextInterface, owner string, operator string) (bool, error) { - approvalKey, err := ctx.GetStub().CreateCompositeKey(approvalPrefix, []string{owner, operator}) - if err != nil { - return false, fmt.Errorf("failed to CreateCompositeKey: %v", err) - } - approvalBytes, err := ctx.GetStub().GetState(approvalKey) - if err != nil { - return false, fmt.Errorf("failed to GetState approvalBytes %s: %v", approvalBytes, err) - } - - if len(approvalBytes) < 1 { - return false, nil - } - - approval := new(Approval) - err = json.Unmarshal(approvalBytes, approval) - if err != nil { - return false, fmt.Errorf("failed to Unmarshal: %v, string %s", err, string(approvalBytes)) - } - - return approval.Approved, nil - -} - -// GetApproved returns the approved client for a single non-fungible token -// param {String} tokenId the non-fungible token to find the approved client for -// returns {Object} Return the approved client for this non-fungible token, or null if there is none -func (c *TokenERC721Contract) GetApproved(ctx contractapi.TransactionContextInterface, tokenId string) (string, error) { - nft, err := _readNFT(ctx, tokenId) - if err != nil { - return "false", fmt.Errorf("failed GetApproved for tokenId : %v", err) - } - return nft.Approved, nil -} - -// TransferFrom transfers the ownership of a non-fungible token -// from one owner to another owner -// param {String} from The current owner of the non-fungible token -// param {String} to The new owner -// param {String} tokenId the non-fungible token to transfer -// returns {Boolean} Return whether the transfer was successful or not - -func (c *TokenERC721Contract) TransferFrom(ctx contractapi.TransactionContextInterface, from string, to string, tokenId string) (bool, error) { - - // Get ID of submitting client identity - sender64, err := ctx.GetClientIdentity().GetID() - if err != nil { - return false, fmt.Errorf("failed to GetClientIdentity: %v", err) - } - - senderBytes, err := base64.StdEncoding.DecodeString(sender64) - if err != nil { - return false, fmt.Errorf("failed to DecodeString sender: %v", err) - } - sender := string(senderBytes) - - nft, err := _readNFT(ctx, tokenId) - if err != nil { - return false, fmt.Errorf("failed to _readNFT : %v", err) - } - - owner := nft.Owner - operator := nft.Approved - operatorApproval, err := c.IsApprovedForAll(ctx, owner, sender) - if err != nil { - return false, fmt.Errorf("failed to get IsApprovedForAll : %v", err) - } - if owner != sender && operator != sender && !operatorApproval { - return false, fmt.Errorf("the sender is not the current owner nor an authorized operator") - } - - // Check if `from` is the current owner - if owner != from { - return false, fmt.Errorf("the from is not the current owner") - } - - // Clear the approved client for this non-fungible token - nft.Approved = "" - - // Overwrite a non-fungible token to assign a new owner. - nft.Owner = to - nftKey, err := ctx.GetStub().CreateCompositeKey(nftPrefix, []string{tokenId}) - if err != nil { - return false, fmt.Errorf("failed to CreateCompositeKey: %v", err) - } - - nftBytes, err := json.Marshal(nft) - if err != nil { - return false, fmt.Errorf("failed to marshal approval: %v", err) - } - - err = ctx.GetStub().PutState(nftKey, nftBytes) - if err != nil { - return false, fmt.Errorf("failed to PutState nftBytes %s: %v", nftBytes, err) - } - - // Remove a composite key from the balance of the current owner - balanceKeyFrom, err := ctx.GetStub().CreateCompositeKey(balancePrefix, []string{from, tokenId}) - if err != nil { - return false, fmt.Errorf("failed to CreateCompositeKey from: %v", err) - } - - err = ctx.GetStub().DelState(balanceKeyFrom) - if err != nil { - return false, fmt.Errorf("failed to DelState balanceKeyFrom %s: %v", nftBytes, err) - } - - // Save a composite key to count the balance of a new owner - balanceKeyTo, err := ctx.GetStub().CreateCompositeKey(balancePrefix, []string{to, tokenId}) - if err != nil { - return false, fmt.Errorf("failed to CreateCompositeKey to: %v", err) - } - err = ctx.GetStub().PutState(balanceKeyTo, []byte{0}) - if err != nil { - return false, fmt.Errorf("failed to PutState balanceKeyTo %s: %v", balanceKeyTo, err) - } - - // Emit the Transfer event - transferEvent := new(Transfer) - transferEvent.From = from - transferEvent.To = to - transferEvent.TokenId = tokenId - - transferEventBytes, err := json.Marshal(transferEvent) - if err != nil { - return false, fmt.Errorf("failed to marshal transferEventBytes: %v", err) - } - - err = ctx.GetStub().SetEvent("Transfer", transferEventBytes) - if err != nil { - return false, fmt.Errorf("failed to SetEvent transferEventBytes %s: %v", transferEventBytes, err) - } - return true, nil -} - -// ============== ERC721 metadata extension =============== - -// Name returns a descriptive name for a collection of non-fungible tokens in this contract -// returns {String} Returns the name of the token - -func (c *TokenERC721Contract) Name(ctx contractapi.TransactionContextInterface) (string, error) { - bytes, err := ctx.GetStub().GetState(nameKey) - if err != nil { - return "", fmt.Errorf("failed to get Name bytes: %s", err) - } - - return string(bytes), nil -} - -// Symbol returns an abbreviated name for non-fungible tokens in this contract. -// returns {String} Returns the symbol of the token - -func (c *TokenERC721Contract) Symbol(ctx contractapi.TransactionContextInterface) (string, error) { - bytes, err := ctx.GetStub().GetState(symbolKey) - if err != nil { - return "", fmt.Errorf("failed to get Symbol: %v", err) - } - - return string(bytes), nil -} - -// TokenURI returns a distinct Uniform Resource Identifier (URI) for a given token. -// param {string} tokenId The identifier for a non-fungible token -// returns {String} Returns the URI of the token - -func (c *TokenERC721Contract) TokenURI(ctx contractapi.TransactionContextInterface, tokenId string) (string, error) { - nft, err := _readNFT(ctx, tokenId) - if err != nil { - return "", fmt.Errorf("failed to get TokenURI: %v", err) - } - return nft.TokenURI, nil -} - -// ============== ERC721 enumeration extension =============== -// TotalSupply counts non-fungible tokens tracked by this contract. -// -// @param {Context} ctx the transaction context -// @returns {Number} Returns a count of valid non-fungible tokens tracked by this contract, -// where each one of them has an assigned and queryable owner. - -func (c *TokenERC721Contract) TotalSupply(ctx contractapi.TransactionContextInterface) int { - // There is a key record for every non-fungible token in the format of nftPrefix.tokenId. - // TotalSupply() queries for and counts all records matching nftPrefix.* - - iterator, err := ctx.GetStub().GetStateByPartialCompositeKey(nftPrefix, []string{}) - if err != nil { - panic("Error creating GetStateByPartialCompositeKey:" + err.Error()) - } - // Count the number of returned composite keys - - totalSupply := 0 - for iterator.HasNext() { - _, err := iterator.Next() - if err != nil { - return 0 - } - totalSupply++ - - } - return totalSupply - -} - -// ============== ERC721 enumeration extension =============== -// Set optional information for a token. -// param {String} name The name of the token -// param {String} symbol The symbol of the token - -func (c *TokenERC721Contract) SetOption(ctx contractapi.TransactionContextInterface, name string, symbol string) (bool, error) { - // Check minter authorization - this sample assumes Org1 is the issuer with privilege to set the name and symbol - clientMSPID, err := ctx.GetClientIdentity().GetMSPID() - if err != nil { - return false, fmt.Errorf("failed to get clientMSPID: %v", err) - } else if clientMSPID != "Org1MSP" { - return false, fmt.Errorf("client is not authorized to set the name and symbol of the token") - } - - err = ctx.GetStub().PutState(nameKey, []byte(name)) - if err != nil { - return false, fmt.Errorf("failed to PutState nameKey %s: %v", nameKey, err) - } - - err = ctx.GetStub().PutState(symbolKey, []byte(symbol)) - if err != nil { - return false, fmt.Errorf("failed to PutState symbolKey %s: %v", symbolKey, err) - } - - return true, nil -} - -// Mint a new non-fungible token -// param {String} tokenId Unique ID of the non-fungible token to be minted -// param {String} tokenURI URI containing metadata of the minted non-fungible token -// returns {Object} Return the non-fungible token object - -func (c *TokenERC721Contract) MintWithTokenURI(ctx contractapi.TransactionContextInterface, tokenId string, tokenURI string) (*Nft, error) { - - // Check minter authorization - this sample assumes Org1 is the issuer with privilege to mint a new token - clientMSPID, err := ctx.GetClientIdentity().GetMSPID() - if err != nil { - return nil, fmt.Errorf("failed to get clientMSPID: %v", err) - } - - if clientMSPID != "Org1MSP" { - return nil, fmt.Errorf("client is not authorized to set the name and symbol of the token") - } - - // Get ID of submitting client identity - minter64, err := ctx.GetClientIdentity().GetID() - if err != nil { - return nil, fmt.Errorf("failed to get minter id: %v", err) - } - - minterBytes, err := base64.StdEncoding.DecodeString(minter64) - if err != nil { - return nil, fmt.Errorf("failed to DecodeString minter64: %v", err) - } - minter := string(minterBytes) - - // Check if the token to be minted does not exist - exists := _nftExists(ctx, tokenId) - if exists { - return nil, fmt.Errorf("the token %s is already minted.: %v", tokenId, err) - } - - // Add a non-fungible token - nft := new(Nft) - nft.TokenId = tokenId - nft.Owner = minter - nft.TokenURI = tokenURI - - nftKey, err := ctx.GetStub().CreateCompositeKey(nftPrefix, []string{tokenId}) - if err != nil { - return nil, fmt.Errorf("failed to CreateCompositeKey to nftKey: %v", err) - } - - nftBytes, err := json.Marshal(nft) - if err != nil { - return nil, fmt.Errorf("failed to marshal nft: %v", err) - } - - err = ctx.GetStub().PutState(nftKey, nftBytes) - if err != nil { - return nil, fmt.Errorf("failed to PutState nftBytes %s: %v", nftBytes, err) - } - - // A composite key would be balancePrefix.owner.tokenId, which enables partial - // composite key query to find and count all records matching balance.owner.* - // An empty value would represent a delete, so we simply insert the null character. - - balanceKey, err := ctx.GetStub().CreateCompositeKey(balancePrefix, []string{minter, tokenId}) - if err != nil { - return nil, fmt.Errorf("failed to CreateCompositeKey to balanceKey: %v", err) - } - - err = ctx.GetStub().PutState(balanceKey, []byte{'\u0000'}) - if err != nil { - return nil, fmt.Errorf("failed to PutState balanceKey %s: %v", nftBytes, err) - } - - // Emit the Transfer event - transferEvent := new(Transfer) - transferEvent.From = "0x0" - transferEvent.To = minter - transferEvent.TokenId = tokenId - - transferEventBytes, err := json.Marshal(transferEvent) - if err != nil { - return nil, fmt.Errorf("failed to marshal transferEventBytes: %v", err) - } - - err = ctx.GetStub().SetEvent("Transfer", transferEventBytes) - if err != nil { - return nil, fmt.Errorf("failed to SetEvent transferEventBytes %s: %v", transferEventBytes, err) - } - - return nft, nil -} - -// Burn a non-fungible token -// param {String} tokenId Unique ID of a non-fungible token -// returns {Boolean} Return whether the burn was successful or not -func (c *TokenERC721Contract) Burn(ctx contractapi.TransactionContextInterface, tokenId string) (bool, error) { - owner64, err := ctx.GetClientIdentity().GetID() - if err != nil { - return false, fmt.Errorf("failed to GetClientIdentity owner64: %v", err) - } - - ownerBytes, err := base64.StdEncoding.DecodeString(owner64) - if err != nil { - return false, fmt.Errorf("failed to DecodeString owner64: %v", err) - } - owner := string(ownerBytes) - - // Check if a caller is the owner of the non-fungible token - nft, err := _readNFT(ctx, tokenId) - if err != nil { - return false, fmt.Errorf("failed to _readNFT nft : %v", err) - } - if nft.Owner != owner { - return false, fmt.Errorf("non-fungible token %s is not owned by %s", tokenId, owner) - } - - // Delete the token - nftKey, err := ctx.GetStub().CreateCompositeKey(nftPrefix, []string{tokenId}) - if err != nil { - return false, fmt.Errorf("failed to CreateCompositeKey tokenId: %v", err) - } - - err = ctx.GetStub().DelState(nftKey) - if err != nil { - return false, fmt.Errorf("failed to DelState nftKey: %v", err) - } - - // Remove a composite key from the balance of the owner - balanceKey, err := ctx.GetStub().CreateCompositeKey(balancePrefix, []string{owner, tokenId}) - if err != nil { - return false, fmt.Errorf("failed to CreateCompositeKey balanceKey %s: %v", balanceKey, err) - } - - err = ctx.GetStub().DelState(balanceKey) - if err != nil { - return false, fmt.Errorf("failed to DelState balanceKey %s: %v", balanceKey, err) - } - - // Emit the Transfer event - transferEvent := new(Transfer) - transferEvent.From = owner - transferEvent.To = "0x0" - transferEvent.TokenId = tokenId - - transferEventBytes, err := json.Marshal(transferEvent) - if err != nil { - return false, fmt.Errorf("failed to marshal transferEventBytes: %v", err) - } - - err = ctx.GetStub().SetEvent("Transfer", transferEventBytes) - if err != nil { - return false, fmt.Errorf("failed to SetEvent transferEventBytes: %v", err) - } - - return true, nil -} - -// ClientAccountBalance returns the balance of the requesting client's account. -// returns {Number} Returns the account balance -func (c *TokenERC721Contract) ClientAccountBalance(ctx contractapi.TransactionContextInterface) (int, error) { - // Get ID of submitting client identity - clientAccountID64, err := ctx.GetClientIdentity().GetID() - if err != nil { - return 0, fmt.Errorf("failed to GetClientIdentity minter: %v", err) - } - - clientAccountIDBytes, err := base64.StdEncoding.DecodeString(clientAccountID64) - if err != nil { - return 0, fmt.Errorf("failed to DecodeString sender: %v", err) - } - - clientAccountID := string(clientAccountIDBytes) - - return c.BalanceOf(ctx, clientAccountID), nil -} - -// ClientAccountID returns the id of the requesting client's account. -// In this implementation, the client account ID is the clientId itself. -// Users can use this function to get their own account id, which they can then give to others as the payment address - -func (c *TokenERC721Contract) ClientAccountID(ctx contractapi.TransactionContextInterface) (string, error) { - // Get ID of submitting client identity - clientAccountID64, err := ctx.GetClientIdentity().GetID() - if err != nil { - return "", fmt.Errorf("failed to GetClientIdentity minter: %v", err) - } - - clientAccountBytes, err := base64.StdEncoding.DecodeString(clientAccountID64) - if err != nil { - return "", fmt.Errorf("failed to DecodeString clientAccount64: %v", err) - } - clientAccount := string(clientAccountBytes) - - return clientAccount, nil -} diff --git a/token-erc-721/go/erc721-contract_test.go b/token-erc-721/go/erc721-contract_test.go deleted file mode 100644 index e8fa4112..00000000 --- a/token-erc-721/go/erc721-contract_test.go +++ /dev/null @@ -1,282 +0,0 @@ -package main - -import ( - "encoding/base64" - "testing" - - "github.com/hyperledger/fabric-chaincode-go/pkg/cid" - "github.com/hyperledger/fabric-chaincode-go/shim" - "github.com/hyperledger/fabric-contract-api-go/contractapi" - "github.com/hyperledger/fabric-protos-go/ledger/queryresult" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/mock" -) - -const owner = "x509::CN=minter,OU=client,O=Hyperledger,ST=North Carolina,C=US::CN=ca.org1.example.com,O=org1.example.com,L=Durham,ST=North Carolina,C=US" -const operator = "x509::CN=hlp,OU=client,O=Hyperledger,ST=North Carolina,C=US::CN=ca.org1.example.com,O=org1.example.com,L=Durham,ST=North Carolina,C=AR" - -type MockStub struct { - shim.ChaincodeStubInterface - mock.Mock -} - -func (ms *MockStub) GetStateByPartialCompositeKey(objectType string, keys []string) (shim.StateQueryIteratorInterface, error) { - args := ms.Called(objectType, keys) - return args.Get(0).(shim.StateQueryIteratorInterface), args.Error(1) -} - -func (ms *MockStub) GetState(key string) ([]byte, error) { - args := ms.Called(key) - return args.Get(0).([]byte), args.Error(1) -} - -func (ms *MockStub) PutState(key string, value []byte) error { - args := ms.Called(key, value) - return args.Error(0) -} -func (ms *MockStub) SetEvent(key string, value []byte) error { - args := ms.Called(key, value) - return args.Error(0) -} - -func (ms *MockStub) DelState(key string) error { - args := ms.Called(key) - return args.Error(0) -} - -func (ms *MockStub) CreateCompositeKey(objectType string, attributes []string) (string, error) { - args := ms.Called(objectType, attributes) - return args.Get(0).(string), args.Error(1) -} - -type MockClientIdentity struct { - cid.ClientIdentity - mock.Mock -} - -func (mci *MockClientIdentity) GetID() (string, error) { - args := mci.Called() - return args.Get(0).(string), args.Error(1) -} - -func (mci *MockClientIdentity) GetMSPID() (string, error) { - args := mci.Called() - return args.Get(0).(string), args.Error(1) -} - -func (mc *MockContext) GetStub() shim.ChaincodeStubInterface { - args := mc.Called() - return args.Get(0).(*MockStub) -} - -type MockContext struct { - contractapi.TransactionContextInterface - mock.Mock -} - -func (mc *MockContext) GetClientIdentity() cid.ClientIdentity { - args := mc.Called() - return args.Get(0).(*MockClientIdentity) -} - -type MockIterator struct { - shim.StateQueryIteratorInterface - queryresult.KV -} - -func (it *MockIterator) HasNext() bool { - return false -} - -func setupStub() (*MockContext, *MockStub) { - balancePrefix := "balance" - approvalPrefix := "approval" - nftPrefix := "nft" - mockTokenId := "101" - anyString := mock.AnythingOfType("string") - anyUint8Slice := mock.AnythingOfType("[]uint8") - nftStr := "{\"tokenId\":\"101\",\"owner\":\"" + owner + "\",\"tokenURI\":\"https://example.com/nft101.json\",\"approved\":\"" + operator + "\"}" - approvalStr := "{\"owner\":\"" + owner + "\",\"operator\":\"" + owner + "\",\"approved\":true}" - - ms := new(MockStub) - iterator := new(MockIterator) - - ms.On("GetStateByPartialCompositeKey", balancePrefix, []string{owner}).Return(iterator, nil) - ms.On("GetStateByPartialCompositeKey", nftPrefix, []string{}).Return(iterator, nil) - - ms.On("CreateCompositeKey", nftPrefix, []string{mockTokenId}).Return("nft101", nil) - ms.On("CreateCompositeKey", nftPrefix, []string{"102"}).Return("nft102", nil) - ms.On("CreateCompositeKey", approvalPrefix, []string{owner, owner}).Return(approvalPrefix+owner+owner, nil) - ms.On("CreateCompositeKey", approvalPrefix, []string{owner, operator}).Return(approvalPrefix+owner+operator, nil) - ms.On("CreateCompositeKey", balancePrefix, []string{owner, mockTokenId}).Return(balancePrefix+owner+mockTokenId, nil) - ms.On("CreateCompositeKey", balancePrefix, []string{operator, mockTokenId}).Return(balancePrefix+operator+mockTokenId, nil) - ms.On("CreateCompositeKey", balancePrefix, []string{owner, "102"}).Return(balancePrefix+owner+mockTokenId, nil) - - ms.On("GetState", "nft101").Return([]byte(nftStr), nil) - ms.On("GetState", "nft102").Return([]uint8{}, nil) - ms.On("GetState", approvalPrefix+owner+owner).Return([]byte(approvalStr), nil) - ms.On("GetState", "name").Return([]byte("lala"), nil) - ms.On("GetState", "symbol").Return([]byte("lelo"), nil) - - ms.On("PutState", "name", []byte("someName")).Return(nil) - ms.On("PutState", "symbol", []byte("someSymbol")).Return(nil) - ms.On("PutState", anyString, anyUint8Slice).Return(nil) - ms.On("PutState", balancePrefix+owner+"101", []byte{0}).Return(nil) - ms.On("PutState", balancePrefix+owner+"102", []byte{'\u0000'}).Return(nil) - ms.On("PutState", "nft101", []byte("nft101")).Return(nil) - ms.On("PutState", "nft102", []byte("nft102")).Return(nil) - - ms.On("SetEvent", "ApprovalForAll", anyUint8Slice).Return(nil) - ms.On("SetEvent", "Transfer", anyUint8Slice).Return(nil) - - ms.On("DelState", anyString).Return(nil) - - mci := new(MockClientIdentity) - owner64 := base64.StdEncoding.EncodeToString([]byte(owner)) - operator64 := base64.StdEncoding.EncodeToString([]byte(owner)) - - mci.On("GetID").Return(owner64, nil) - mci.On("GetID").Return(operator64, nil) - mci.On("GetMSPID").Return("Org1MSP", nil) - - mc := new(MockContext) - mc.On("GetStub").Return(ms) - mc.On("GetClientIdentity").Return(mci) - return mc, ms -} - -func TestBalanceOf(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - balance := c.BalanceOf(ctx, owner) - assert.Equal(t, 0, balance) - -} -func TestTotalSupply(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - totalNft := c.TotalSupply(ctx) - assert.Equal(t, 0, totalNft) - -} - -func TestOwnerOf(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - owner, _ := c.OwnerOf(ctx, "101") - assert.Equal(t, owner, owner) - -} - -func TestApprove(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - approved, _ := c.Approve(ctx, "", "101") - assert.Equal(t, true, approved) - -} - -func TestSetApprovalForAll(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - appAll, _ := c.SetApprovalForAll(ctx, operator, true) - assert.Equal(t, true, appAll) - -} - -func TestIsApprovedForAll(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - isApp, _ := c.SetApprovalForAll(ctx, operator, true) - assert.Equal(t, true, isApp) - -} - -func TestGetApproved(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - getApp, _ := c.GetApproved(ctx, "101") - assert.Equal(t, ""+operator+"", getApp) -} - -func TestTransferFrom(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - transfer, _ := c.TransferFrom(ctx, owner, operator, "101") - - assert.Equal(t, true, transfer) -} - -func TestName(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - name, _ := c.Name(ctx) - - assert.Equal(t, "lala", name) -} - -func TestSymbol(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - symbol, _ := c.Symbol(ctx) - - assert.Equal(t, "lelo", symbol) -} - -func TestTokenURI(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - tokenURI, _ := c.TokenURI(ctx, "101") - - assert.Equal(t, "https://example.com/nft101.json", tokenURI) -} - -func TestSetOption(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - option, _ := c.SetOption(ctx, "someName", "someSymbol") - assert.Equal(t, true, option) -} - -func TestMintWithTokenURI(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - mint, _ := c.MintWithTokenURI(ctx, "102", "https://example.com/nft102.json") - - nft := new(Nft) - nft.Owner = owner - nft.TokenId = "102" - nft.TokenURI = "https://example.com/nft102.json" - - assert.Equal(t, nft.Owner, mint.Owner) - assert.Equal(t, nft, mint) - -} - -func TestBurn(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - - burn, _ := c.Burn(ctx, "101") - assert.Equal(t, true, burn) -} - -func TestClientAccoundId(t *testing.T) { - ctx, _ := setupStub() - c := new(TokenERC721Contract) - client, _ := c.ClientAccountID(ctx) - assert.Equal(t, owner, client) -} diff --git a/token-erc-721/go/erc721.go b/token-erc-721/go/erc721.go deleted file mode 100644 index 1b6ca159..00000000 --- a/token-erc-721/go/erc721.go +++ /dev/null @@ -1,25 +0,0 @@ -/* - * SPDX-License-Identifier: Apache-2.0 - */ - -package main - -// Define structs to be used by chaincode -type Nft struct { - TokenId string `json:"tokenId"` - Owner string `json:"owner"` - TokenURI string `json:"tokenURI"` - Approved string `json:"approved"` -} - -type Approval struct { - Owner string `json:"owner"` - Operator string `json:"operator"` - Approved bool `json:"approved"` -} - -type Transfer struct { - From string `json:"from"` - To string `json:"to"` - TokenId string `json:"tokenId"` -} diff --git a/token-erc-721/go/go.mod b/token-erc-721/go/go.mod deleted file mode 100644 index 2ba27298..00000000 --- a/token-erc-721/go/go.mod +++ /dev/null @@ -1,38 +0,0 @@ -module github.com/msalimbene/hlp-721 - -go 1.17 - -require ( - github.com/hyperledger/fabric-chaincode-go v0.0.0-20200424173110-d7076418f212 - github.com/hyperledger/fabric-contract-api-go v1.1.1 - github.com/hyperledger/fabric-protos-go v0.0.0-20200424173316-dd554ba3746e - github.com/stretchr/testify v1.5.1 -) - -require ( - github.com/PuerkitoBio/purell v1.1.1 // indirect - github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect - github.com/davecgh/go-spew v1.1.1 // indirect - github.com/go-openapi/jsonpointer v0.19.3 // indirect - github.com/go-openapi/jsonreference v0.19.2 // indirect - github.com/go-openapi/spec v0.19.4 // indirect - github.com/go-openapi/swag v0.19.5 // indirect - github.com/gobuffalo/envy v1.7.0 // indirect - github.com/gobuffalo/packd v0.3.0 // indirect - github.com/gobuffalo/packr v1.30.1 // indirect - github.com/golang/protobuf v1.3.2 // indirect - github.com/joho/godotenv v1.3.0 // indirect - github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e // indirect - github.com/pmezard/go-difflib v1.0.0 // indirect - github.com/rogpeppe/go-internal v1.3.0 // indirect - github.com/stretchr/objx v0.2.0 // indirect - github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect - github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect - github.com/xeipuuv/gojsonschema v1.2.0 // indirect - golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 // indirect - golang.org/x/sys v0.0.0-20190710143415-6ec70d6a5542 // indirect - golang.org/x/text v0.3.2 // indirect - google.golang.org/genproto v0.0.0-20180831171423-11092d34479b // indirect - google.golang.org/grpc v1.23.0 // indirect - gopkg.in/yaml.v2 v2.2.8 // indirect -) diff --git a/token-erc-721/go/go.sum b/token-erc-721/go/go.sum deleted file mode 100644 index 8f0f31d0..00000000 --- a/token-erc-721/go/go.sum +++ /dev/null @@ -1,146 +0,0 @@ -cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= -github.com/DATA-DOG/go-txdb v0.1.3/go.mod h1:DhAhxMXZpUJVGnT+p9IbzJoRKvlArO2pkHjnGX7o0n0= -github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI= -github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= -github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= -github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= -github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk= -github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= -github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE= -github.com/cucumber/godog v0.8.0/go.mod h1:Cp3tEV1LRAyH/RuCThcxHS/+9ORZ+FMzPva2AZ5Ki+A= -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/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= -github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg= -github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w= -github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg= -github.com/go-openapi/jsonreference v0.19.2 h1:o20suLFB4Ri0tuzpWtyHlh7E7HnkqTNLq6aR6WVNS1w= -github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc= -github.com/go-openapi/spec v0.19.4 h1:ixzUSnHTd6hCemgtAJgluaTSGYpLNpJY4mA2DIkdOAo= -github.com/go-openapi/spec v0.19.4/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo= -github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= -github.com/go-openapi/swag v0.19.5 h1:lTz6Ys4CmqqCQmZPBlbQENR1/GucA2bzYTE12Pw4tFY= -github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= -github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg= -github.com/gobuffalo/envy v1.7.0 h1:GlXgaiBkmrYMHco6t4j7SacKO4XUjvh5pwXh0f4uxXU= -github.com/gobuffalo/envy v1.7.0/go.mod h1:n7DRkBerg/aorDM8kbduw5dN3oXGswK5liaSCx4T5NI= -github.com/gobuffalo/logger v1.0.0/go.mod h1:2zbswyIUa45I+c+FLXuWl9zSWEiVuthsk8ze5s8JvPs= -github.com/gobuffalo/packd v0.3.0 h1:eMwymTkA1uXsqxS0Tpoop3Lc0u3kTfiMBE6nKtQU4g4= -github.com/gobuffalo/packd v0.3.0/go.mod h1:zC7QkmNkYVGKPw4tHpBQ+ml7W/3tIebgeo1b36chA3Q= -github.com/gobuffalo/packr v1.30.1 h1:hu1fuVR3fXEZR7rXNW3h8rqSML8EVAf6KNm0NKO/wKg= -github.com/gobuffalo/packr v1.30.1/go.mod h1:ljMyFO2EcrnzsHsN99cvbq055Y9OhRrIaviy289eRuk= -github.com/gobuffalo/packr/v2 v2.5.1/go.mod h1:8f9c96ITobJlPzI44jj+4tHnEKNt0xXWSVlXRN9X1Iw= -github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58= -github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= -github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= -github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= -github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs= -github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= -github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= -github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ= -github.com/hyperledger/fabric-chaincode-go v0.0.0-20200424173110-d7076418f212 h1:1i4lnpV8BDgKOLi1hgElfBqdHXjXieSuj8629mwBZ8o= -github.com/hyperledger/fabric-chaincode-go v0.0.0-20200424173110-d7076418f212/go.mod h1:N7H3sA7Tx4k/YzFq7U0EPdqJtqvM4Kild0JoCc7C0Dc= -github.com/hyperledger/fabric-contract-api-go v1.1.1 h1:gDhOC18gjgElNZ85kFWsbCQq95hyUP/21n++m0Sv6B0= -github.com/hyperledger/fabric-contract-api-go v1.1.1/go.mod h1:+39cWxbh5py3NtXpRA63rAH7NzXyED+QJx1EZr0tJPo= -github.com/hyperledger/fabric-protos-go v0.0.0-20190919234611-2a87503ac7c9/go.mod h1:xVYTjK4DtZRBxZ2D9aE4y6AbLaPwue2o/criQyQbVD0= -github.com/hyperledger/fabric-protos-go v0.0.0-20200424173316-dd554ba3746e h1:9PS5iezHk/j7XriSlNuSQILyCOfcZ9wZ3/PiucmSE8E= -github.com/hyperledger/fabric-protos-go v0.0.0-20200424173316-dd554ba3746e/go.mod h1:xVYTjK4DtZRBxZ2D9aE4y6AbLaPwue2o/criQyQbVD0= 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new(metadata.LicenseMetadata) - hlpNftContract.Info.License.Name = "Apache-2.0" - hlpNftContract.Info.Contact = new(metadata.ContactMetadata) - hlpNftContract.Info.Contact.Name = "Matias Salimbene" - - chaincode, err := contractapi.NewChaincode(hlpNftContract) - chaincode.Info.Title = "ERC-721 chaincode" - chaincode.Info.Version = "0.0.1" - - if err != nil { - panic("Could not create chaincode from TokenERC721Contract." + err.Error()) - } - - err = chaincode.Start() - - if err != nil { - panic("Failed to start chaincode. " + err.Error()) - } -}