Expect(ledgerPtr.BeginTxBatch(i)).To(BeNil()) ledgerPtr.TxBegin("txUuid" + strconv.Itoa(i)) Expect(ledgerPtr.SetState("chaincode"+strconv.Itoa(i), "key"+strconv.Itoa(i), []byte("value"+strconv.Itoa(i)))).To(BeNil()) ledgerPtr.TxFinished("txUuid"+strconv.Itoa(i), true) uuid := util.GenerateUUID() tx, err := protos.NewTransaction(protos.ChaincodeID{Path: "testUrl"}, uuid, "anyfunction", []string{"param1, param2"}) Expect(err).To(BeNil()) err = ledgerPtr.CommitTxBatch(i, []*protos.Transaction{tx}, nil, []byte("proof")) Expect(err).To(BeNil()) } }) It("verifies the blockchain", func() { // Verify the chain for lowBlock := uint64(0); lowBlock < ledgerPtr.GetBlockchainSize()-1; lowBlock++ { Expect(ledgerPtr.VerifyChain(ledgerPtr.GetBlockchainSize()-1, lowBlock)).To(Equal(lowBlock)) } for highBlock := ledgerPtr.GetBlockchainSize() - 1; highBlock > 0; highBlock-- { Expect(ledgerPtr.VerifyChain(highBlock, 0)).To(Equal(uint64(0))) } }) It("adds bad blocks to the blockchain", func() { // Add bad blocks and test badBlock := protos.NewBlock(nil, nil) badBlock.PreviousBlockHash = []byte("evil") for i := uint64(0); i < ledgerPtr.GetBlockchainSize(); i++ { goodBlock, _ := ledgerPtr.GetBlockByNumber(i) ledgerPtr.PutRawBlock(badBlock, i) for lowBlock := uint64(0); lowBlock < ledgerPtr.GetBlockchainSize()-1; lowBlock++ { if i == ledgerPtr.GetBlockchainSize()-1 { Expect(ledgerPtr.VerifyChain(ledgerPtr.GetBlockchainSize()-1, lowBlock)).To(Equal(uint64(i)))