func TestRangeScanIterator(t *testing.T) {
ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(t)
ledger := ledgerTestWrapper.ledger
///////// Test with an empty Ledger //////////
//////////////////////////////////////////////
itr, _ := ledger.GetStateRangeScanIterator("chaincodeID2", "key2", "key5", false)
statemgmt.AssertIteratorContains(t, itr, map[string][]byte{})
itr.Close()
itr, _ = ledger.GetStateRangeScanIterator("chaincodeID2", "key2", "key5", true)
statemgmt.AssertIteratorContains(t, itr, map[string][]byte{})
itr.Close()
// Commit initial data to ledger
ledger.BeginTxBatch(0)
ledger.TxBegin("txUuid1")
ledger.SetState("chaincodeID1", "key1", []byte("value1"))
ledger.SetState("chaincodeID2", "key1", []byte("value1"))
ledger.SetState("chaincodeID2", "key2", []byte("value2"))
ledger.SetState("chaincodeID2", "key3", []byte("value3"))
ledger.SetState("chaincodeID3", "key1", []byte("value1"))
ledger.SetState("chaincodeID4", "key1", []byte("value1"))
ledger.SetState("chaincodeID4", "key2", []byte("value2"))
ledger.SetState("chaincodeID4", "key3", []byte("value3"))
ledger.SetState("chaincodeID4", "key4", []byte("value4"))
ledger.SetState("chaincodeID4", "key5", []byte("value5"))
ledger.SetState("chaincodeID4", "key6", []byte("value6"))
ledger.SetState("chaincodeID4", "key7", []byte("value7"))
ledger.SetState("chaincodeID5", "key1", []byte("value5"))
ledger.SetState("chaincodeID6", "key1", []byte("value6"))
ledger.TxFinished("txUuid1", true)
transaction, _ := buildTestTx(t)
ledger.CommitTxBatch(0, []*protos.Transaction{transaction}, nil, []byte("proof"))
// Add new keys and modify existing keys in on-going tx-batch
ledger.BeginTxBatch(1)
ledger.TxBegin("txUuid1")
ledger.SetState("chaincodeID4", "key2", []byte("value2_new"))
ledger.DeleteState("chaincodeID4", "key3")
ledger.SetState("chaincodeID4", "key8", []byte("value8_new"))
///////////////////// Test with committed=true ///////////
//////////////////////////////////////////////////////////
// test range scan for chaincodeID4
itr, _ = ledger.GetStateRangeScanIterator("chaincodeID4", "key2", "key5", true)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
"key2": []byte("value2"),
"key3": []byte("value3"),
"key4": []byte("value4"),
"key5": []byte("value5"),
})
itr.Close()
// test with empty start-key
itr, _ = ledger.GetStateRangeScanIterator("chaincodeID4", "", "key5", true)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
"key1": []byte("value1"),
"key2": []byte("value2"),
"key3": []byte("value3"),
"key4": []byte("value4"),
"key5": []byte("value5"),
})
itr.Close()
// test with empty end-key
itr, _ = ledger.GetStateRangeScanIterator("chaincodeID4", "", "", true)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
"key1": []byte("value1"),
"key2": []byte("value2"),
"key3": []byte("value3"),
"key4": []byte("value4"),
"key5": []byte("value5"),
"key6": []byte("value6"),
"key7": []byte("value7"),
})
itr.Close()
///////////////////// Test with committed=false ///////////
//////////////////////////////////////////////////////////
// test range scan for chaincodeID4
itr, _ = ledger.GetStateRangeScanIterator("chaincodeID4", "key2", "key5", false)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
"key2": []byte("value2_new"),
"key4": []byte("value4"),
"key5": []byte("value5"),
})
itr.Close()
// test with empty start-key
itr, _ = ledger.GetStateRangeScanIterator("chaincodeID4", "", "key5", false)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
"key1": []byte("value1"),
"key2": []byte("value2_new"),
"key4": []byte("value4"),
"key5": []byte("value5"),
})
itr.Close()
// test with empty end-key
itr, _ = ledger.GetStateRangeScanIterator("chaincodeID4", "", "", false)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
"key1": []byte("value1"),
"key2": []byte("value2_new"),
"key4": []byte("value4"),
"key5": []byte("value5"),
"key6": []byte("value6"),
"key7": []byte("value7"),
"key8": []byte("value8_new"),
})
itr.Close()
}
func TestCompositeRangeScanIterator(t *testing.T) {
stateTestWrapper, state := createFreshDBAndConstructState(t)
// commit initial test state to db
state.TxBegin("txUuid")
state.Set("chaincode1", "key1", []byte("value1"))
state.Set("chaincode1", "key2", []byte("value2"))
state.Set("chaincode1", "key3", []byte("value3"))
state.Set("chaincode1", "key4", []byte("value4"))
state.Set("chaincode1", "key5", []byte("value5"))
state.Set("chaincode1", "key6", []byte("value6"))
state.Set("chaincode1", "key7", []byte("value7"))
state.Set("chaincode2", "key1", []byte("value1"))
state.Set("chaincode2", "key2", []byte("value2"))
state.Set("chaincode2", "key3", []byte("value3"))
state.TxFinish("txUuid", true)
stateTestWrapper.persistAndClearInMemoryChanges(0)
// change and delete a few existing keys and add a new key
state.TxBegin("txUUID")
state.Set("chaincode1", "key3", []byte("value3_new"))
state.Set("chaincode1", "key4", []byte("value4_new"))
state.Set("chaincode1", "key5", []byte("value5_new"))
state.Delete("chaincode1", "key6")
state.Set("chaincode1", "key8", []byte("value8_new"))
state.TxFinish("txUUID", true)
// change and delete a few existing keys and add a new key, in the on-going tx
state.TxBegin("txUUID")
state.Set("chaincode1", "key3", []byte("value3_new_new"))
state.Delete("chaincode1", "key4")
state.Set("chaincode1", "key9", []byte("value9_new_new"))
// Test with committed=false //////////////////////////
/////////////////////////////////////////////////////
// test keys between key2 and key8
itr, _ := state.GetRangeScanIterator("chaincode1", "key2", "key8", false)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
// from current tx
"key3": []byte("value3_new_new"),
// from current batch
"key5": []byte("value5_new"),
"key8": []byte("value8_new"),
// from committed results
"key2": []byte("value2"),
"key7": []byte("value7"),
})
itr.Close()
// test with an empty startKey
itr, _ = state.GetRangeScanIterator("chaincode1", "", "key8", false)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
// from current tx
"key3": []byte("value3_new_new"),
// from current batch
"key5": []byte("value5_new"),
"key8": []byte("value8_new"),
// from committed results
"key1": []byte("value1"),
"key2": []byte("value2"),
"key7": []byte("value7"),
})
itr.Close()
// test with an empty endKey
itr, _ = state.GetRangeScanIterator("chaincode1", "", "", false)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
// from current tx
"key3": []byte("value3_new_new"),
"key9": []byte("value9_new_new"),
// from current batch
"key5": []byte("value5_new"),
"key8": []byte("value8_new"),
// from committed results
"key1": []byte("value1"),
"key2": []byte("value2"),
"key7": []byte("value7"),
})
itr.Close()
// Test with committed=true //////////////////////////
/////////////////////////////////////////////////////
// test keys between key2 and key8
itr, _ = state.GetRangeScanIterator("chaincode1", "key2", "key8", true)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
// from committed results
"key2": []byte("value2"),
"key3": []byte("value3"),
"key4": []byte("value4"),
"key5": []byte("value5"),
"key6": []byte("value6"),
"key7": []byte("value7"),
})
itr.Close()
// test with an empty startKey
itr, _ = state.GetRangeScanIterator("chaincode1", "", "key8", true)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
// from committed results
"key1": []byte("value1"),
"key2": []byte("value2"),
"key3": []byte("value3"),
"key4": []byte("value4"),
"key5": []byte("value5"),
"key6": []byte("value6"),
"key7": []byte("value7"),
})
itr.Close()
// test with an empty endKey
itr, _ = state.GetRangeScanIterator("chaincode1", "", "", true)
statemgmt.AssertIteratorContains(t, itr,
map[string][]byte{
// from committed results
"key1": []byte("value1"),
"key2": []byte("value2"),
"key3": []byte("value3"),
"key4": []byte("value4"),
"key5": []byte("value5"),
"key6": []byte("value6"),
"key7": []byte("value7"),
})
itr.Close()
}