db/db.go

@@ -8,6 +8,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	"os"
+	"sync"
 	"time"
 
 	"github.com/lbryio/herald.go/db/prefixes"
@@ -58,8 +59,11 @@ type ReadOnlyDBColumnFamily struct {
 	BlockedChannels        map[string][]byte
 	FilteredStreams        map[string][]byte
 	FilteredChannels       map[string][]byte
+	OpenIterators          map[string][]chan struct{}
+	ItMut                  sync.RWMutex
 	ShutdownChan           chan struct{}
 	DoneChan               chan struct{}
+	ShutdownCalled         bool
 	Cleanup                func()
 }
 
@@ -318,9 +322,38 @@ func intMin(a, b int) int {
 	return b
 }
 
+// FIXME: This was copied from the signal.go file, maybe move it to a more common place?
+// interruptRequested returns true when the channel returned by
+// interruptListener was closed.  This simplifies early shutdown slightly since
+// the caller can just use an if statement instead of a select.
+func interruptRequested(interrupted <-chan struct{}) bool {
+	select {
+	case <-interrupted:
+		return true
+	default:
+	}
+
+	return false
+}
+
 func IterCF(db *grocksdb.DB, opts *IterOptions) <-chan *prefixes.PrefixRowKV {
 	ch := make(chan *prefixes.PrefixRowKV)
 
+	iterKey := fmt.Sprintf("%p", opts)
+	if opts.DB != nil {
+		opts.DB.ItMut.Lock()
+		// There is a tiny chance that we were wating on the above lock while shutdown was
+		// being called and by the time we get it the db has already notified all active
+		// iterators to shutdown. In this case we go to the else branch.
+		if !opts.DB.ShutdownCalled {
+			opts.DB.OpenIterators[iterKey] = []chan struct{}{opts.DoneChan, opts.ShutdownChan}
+			opts.DB.ItMut.Unlock()
+		} else {
+			opts.DB.ItMut.Unlock()
+			return ch
+		}
+	}
+
 	ro := grocksdb.NewDefaultReadOptions()
 	ro.SetFillCache(opts.FillCache)
 	it := db.NewIteratorCF(ro, opts.CfHandle)
@@ -336,6 +369,12 @@ func IterCF(db *grocksdb.DB, opts *IterOptions) <-chan *prefixes.PrefixRowKV {
 			it.Close()
 			close(ch)
 			ro.Destroy()
+			if opts.DB != nil {
+				opts.DoneChan <- struct{}{}
+				opts.DB.ItMut.Lock()
+				delete(opts.DB.OpenIterators, iterKey)
+				opts.DB.ItMut.Unlock()
+			}
 		}()
 
 		var prevKey []byte
@@ -355,6 +394,9 @@ func IterCF(db *grocksdb.DB, opts *IterOptions) <-chan *prefixes.PrefixRowKV {
 			if kv = opts.ReadRow(&prevKey); kv != nil {
 				ch <- kv
 			}
+			if interruptRequested(opts.ShutdownChan) {
+				return
+			}
 		}
 	}()
 
@@ -412,7 +454,7 @@ func (db *ReadOnlyDBColumnFamily) selectFrom(prefix []byte, startKey, stopKey pr
 		return nil, err
 	}
 	// Prefix and handle
-	options := NewIterateOptions().WithPrefix(prefix).WithCfHandle(handle)
+	options := NewIterateOptions().WithDB(db).WithPrefix(prefix).WithCfHandle(handle)
 	// Start and stop bounds
 	options = options.WithStart(startKey.PackKey()).WithStop(stopKey.PackKey()).WithIncludeStop(true)
 	// Don't include the key
@@ -514,6 +556,7 @@ func GetProdDB(name string, secondaryPath string) (*ReadOnlyDBColumnFamily, func
 	}
 
 	db, err := GetDBColumnFamilies(name, secondaryPath, cfNames)
+	db.OpenIterators = make(map[string][]chan struct{})
 
 	cleanupFiles := func() {
 		err = os.RemoveAll(secondaryPath)
@@ -572,8 +615,11 @@ func GetDBColumnFamilies(name string, secondayPath string, cfNames []string) (*R
 		LastState:        nil,
 		Height:           0,
 		Headers:          nil,
-		ShutdownChan:     make(chan struct{}),
-		DoneChan:         make(chan struct{}),
+		OpenIterators:    make(map[string][]chan struct{}),
+		ItMut:            sync.RWMutex{},
+		ShutdownChan:     make(chan struct{}, 1),
+		ShutdownCalled:   false,
+		DoneChan:         make(chan struct{}, 1),
 	}
 
 	err = myDB.ReadDBState() //TODO: Figure out right place for this
@@ -643,6 +689,15 @@ func (db *ReadOnlyDBColumnFamily) Unwind() {
 // Shutdown shuts down the db.
 func (db *ReadOnlyDBColumnFamily) Shutdown() {
 	db.ShutdownChan <- struct{}{}
+	db.ItMut.Lock()
+	db.ShutdownCalled = true
+	for _, it := range db.OpenIterators {
+		it[1] <- struct{}{}
+	}
+	for _, it := range db.OpenIterators {
+		<-it[0]
+	}
+	db.ItMut.Unlock()
 	<-db.DoneChan
 	db.Cleanup()
 }
@@ -790,7 +845,7 @@ func (db *ReadOnlyDBColumnFamily) InitHeaders() error {
 	// endKey := prefixes.NewHeaderKey(db.LastState.Height)
 	startKeyRaw := startKey.PackKey()
 	// endKeyRaw := endKey.PackKey()
-	options := NewIterateOptions().WithPrefix([]byte{prefixes.Header}).WithCfHandle(handle)
+	options := NewIterateOptions().WithDB(db).WithPrefix([]byte{prefixes.Header}).WithCfHandle(handle)
 	options = options.WithIncludeKey(false).WithIncludeValue(true) //.WithIncludeStop(true)
 	options = options.WithStart(startKeyRaw)                       //.WithStop(endKeyRaw)
 
@@ -813,7 +868,7 @@ func (db *ReadOnlyDBColumnFamily) InitTxCounts() error {
 
 	db.TxCounts = stack.NewSliceBacked[uint32](InitialTxCountSize)
 
-	options := NewIterateOptions().WithPrefix([]byte{prefixes.TxCount}).WithCfHandle(handle)
+	options := NewIterateOptions().WithDB(db).WithPrefix([]byte{prefixes.TxCount}).WithCfHandle(handle)
 	options = options.WithIncludeKey(false).WithIncludeValue(true).WithIncludeStop(true)
 
 	ch := IterCF(db.DB, options)

db/db_get.go

@@ -94,7 +94,7 @@ func (db *ReadOnlyDBColumnFamily) GetHeaders(height uint32, count uint32) ([][11
 
 	startKeyRaw := prefixes.NewHeaderKey(height).PackKey()
 	endKeyRaw := prefixes.NewHeaderKey(height + count).PackKey()
-	options := NewIterateOptions().WithPrefix([]byte{prefixes.Header}).WithCfHandle(handle)
+	options := NewIterateOptions().WithDB(db).WithPrefix([]byte{prefixes.Header}).WithCfHandle(handle)
 	options = options.WithIncludeKey(false).WithIncludeValue(true) //.WithIncludeStop(true)
 	options = options.WithStart(startKeyRaw).WithStop(endKeyRaw)
 
@@ -130,7 +130,7 @@ func (db *ReadOnlyDBColumnFamily) GetBalance(hashX []byte) (uint64, uint64, erro
 	startKeyRaw := startKey.PackKey()
 	endKeyRaw := endKey.PackKey()
 	// Prefix and handle
-	options := NewIterateOptions().WithPrefix([]byte{prefixes.UTXO}).WithCfHandle(handle)
+	options := NewIterateOptions().WithDB(db).WithPrefix([]byte{prefixes.UTXO}).WithCfHandle(handle)
 	// Start and stop bounds
 	options = options.WithStart(startKeyRaw).WithStop(endKeyRaw).WithIncludeStop(true)
 	// Don't include the key
@@ -346,7 +346,7 @@ func (db *ReadOnlyDBColumnFamily) GetStreamsAndChannelRepostedByChannelHashes(re
 	for _, reposterChannelHash := range reposterChannelHashes {
 		key := prefixes.NewChannelToClaimKeyWHash(reposterChannelHash)
 		rawKeyPrefix := key.PartialPack(1)
-		options := NewIterateOptions().WithCfHandle(handle).WithPrefix(rawKeyPrefix)
+		options := NewIterateOptions().WithDB(db).WithCfHandle(handle).WithPrefix(rawKeyPrefix)
 		options = options.WithIncludeKey(false).WithIncludeValue(true)
 		ch := IterCF(db.DB, options)
 		// for stream := range Iterate(db.DB, prefixes.ChannelToClaim, []byte{reposterChannelHash}, false) {
@@ -420,7 +420,7 @@ func (db *ReadOnlyDBColumnFamily) GetShortClaimIdUrl(name string, normalizedName
 		log.Printf("partialKey: %#v\n", partialKey)
 		keyPrefix := partialKey.PartialPack(2)
 		// Prefix and handle
-		options := NewIterateOptions().WithPrefix(prefix).WithCfHandle(handle)
+		options := NewIterateOptions().WithDB(db).WithPrefix(prefix).WithCfHandle(handle)
 		// Start and stop bounds
 		options = options.WithStart(keyPrefix).WithStop(keyPrefix)
 		// Don't include the key
@@ -518,7 +518,7 @@ func (db *ReadOnlyDBColumnFamily) GetActiveAmount(claimHash []byte, txoType uint
 	startKeyRaw := startKey.PartialPack(3)
 	endKeyRaw := endKey.PartialPack(3)
 	// Prefix and handle
-	options := NewIterateOptions().WithPrefix([]byte{prefixes.ActiveAmount}).WithCfHandle(handle)
+	options := NewIterateOptions().WithDB(db).WithPrefix([]byte{prefixes.ActiveAmount}).WithCfHandle(handle)
 	// Start and stop bounds
 	options = options.WithStart(startKeyRaw).WithStop(endKeyRaw)
 	// Don't include the key
@@ -674,7 +674,7 @@ func (db *ReadOnlyDBColumnFamily) ControllingClaimIter() <-chan *prefixes.Prefix
 	key := prefixes.NewClaimTakeoverKey("")
 	var rawKeyPrefix []byte = nil
 	rawKeyPrefix = key.PartialPack(0)
-	options := NewIterateOptions().WithCfHandle(handle).WithPrefix(rawKeyPrefix)
+	options := NewIterateOptions().WithDB(db).WithCfHandle(handle).WithPrefix(rawKeyPrefix)
 	options = options.WithIncludeValue(true) //.WithIncludeStop(true)
 	ch := IterCF(db.DB, options)
 	return ch
@@ -785,7 +785,7 @@ func (db *ReadOnlyDBColumnFamily) BidOrderNameIter(normalizedName string) <-chan
 	key := prefixes.NewBidOrderKey(normalizedName)
 	var rawKeyPrefix []byte = nil
 	rawKeyPrefix = key.PartialPack(1)
-	options := NewIterateOptions().WithCfHandle(handle).WithPrefix(rawKeyPrefix)
+	options := NewIterateOptions().WithDB(db).WithCfHandle(handle).WithPrefix(rawKeyPrefix)
 	options = options.WithIncludeValue(true) //.WithIncludeStop(true)
 	ch := IterCF(db.DB, options)
 	return ch
@@ -803,7 +803,7 @@ func (db *ReadOnlyDBColumnFamily) ClaimShortIdIter(normalizedName string, claimI
 	} else {
 		rawKeyPrefix = key.PartialPack(1)
 	}
-	options := NewIterateOptions().WithCfHandle(handle).WithPrefix(rawKeyPrefix)
+	options := NewIterateOptions().WithDB(db).WithCfHandle(handle).WithPrefix(rawKeyPrefix)
 	options = options.WithIncludeValue(true) //.WithIncludeStop(true)
 	ch := IterCF(db.DB, options)
 	return ch

db/db_resolve.go

@@ -326,7 +326,7 @@ func (db *ReadOnlyDBColumnFamily) ResolveClaimInChannel(channelHash []byte, norm
 
 	key := prefixes.NewChannelToClaimKey(channelHash, normalizedName)
 	rawKeyPrefix := key.PartialPack(2)
-	options := NewIterateOptions().WithCfHandle(handle).WithPrefix(rawKeyPrefix)
+	options := NewIterateOptions().WithDB(db).WithCfHandle(handle).WithPrefix(rawKeyPrefix)
 	options = options.WithIncludeValue(true) //.WithIncludeStop(true)
 	ch := IterCF(db.DB, options)
 	// TODO: what's a good default size for this?

db/db_test.go

@@ -7,6 +7,7 @@ import (
 	"log"
 	"os"
 	"strings"
+	"sync"
 	"testing"
 
 	dbpkg "github.com/lbryio/herald.go/db"
@@ -93,6 +94,11 @@ func OpenAndFillTmpDBColumnFamlies(filePath string) (*dbpkg.ReadOnlyDBColumnFami
 		LastState:        nil,
 		Height:           0,
 		Headers:          nil,
+		OpenIterators:    make(map[string][]chan struct{}),
+		ItMut:            sync.RWMutex{},
+		ShutdownChan:     make(chan struct{}, 1),
+		DoneChan:         make(chan struct{}, 1),
+		ShutdownCalled:   false,
 	}
 
 	// err = dbpkg.ReadDBState(myDB) //TODO: Figure out right place for this

db/iteroptions.go

@@ -22,6 +22,9 @@ type IterOptions struct {
 	IncludeValue bool
 	RawKey       bool
 	RawValue     bool
+	ShutdownChan chan struct{}
+	DoneChan     chan struct{}
+	DB           *ReadOnlyDBColumnFamily
 	CfHandle     *grocksdb.ColumnFamilyHandle
 	It           *grocksdb.Iterator
 	Serializer   *prefixes.SerializationAPI
@@ -40,6 +43,9 @@ func NewIterateOptions() *IterOptions {
 		IncludeValue: false,
 		RawKey:       false,
 		RawValue:     false,
+		ShutdownChan: make(chan struct{}),
+		DoneChan:     make(chan struct{}),
+		DB:           nil,
 		CfHandle:     nil,
 		It:           nil,
 		Serializer:   prefixes.ProductionAPI,
@@ -101,6 +107,11 @@ func (o *IterOptions) WithRawValue(rawValue bool) *IterOptions {
 	return o
 }
 
+func (o *IterOptions) WithDB(db *ReadOnlyDBColumnFamily) *IterOptions {
+	o.DB = db
+	return o
+}
+
 func (o *IterOptions) WithSerializer(serializer *prefixes.SerializationAPI) *IterOptions {
 	o.Serializer = serializer
 	return o

docker/Dockerfile.action.integration

@@ -0,0 +1,13 @@
+FROM jeffreypicard/hub-github-env:dev
+
+COPY scripts/integration_tests.sh /integration_tests.sh
+COPY scripts/cicd_integration_test_runner.sh /cicd_integration_test_runner.sh
+COPY herald /herald
+
+RUN apt install -y jq curl
+
+ENV CGO_LDFLAGS "-L/usr/local/lib -lrocksdb -lstdc++ -lm -lz -lsnappy -llz4 -lzstd"
+ENV CGO_CFLAGS "-I/usr/local/include/rocksdb"
+ENV LD_LIBRARY_PATH /usr/local/lib
+
+ENTRYPOINT ["/cicd_integration_test_runner.sh"]

scripts/cicd_integration_test_runner.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+#
+# cicd_integration_test_runner.sh
+#
+# simple script to kick off herald and call the integration testing
+# script
+#
+# N.B. this currently just works locally until we figure a way to have
+# the data in the cicd environment.
+#
+
+./herald serve --db-path /mnt/sdb1/wallet_server/_data/lbry-rocksdb &
+
+./integration_tests.sh

scripts/integration_tests.sh

@@ -0,0 +1,206 @@
+#!/bin/bash
+#
+# integration_testing.sh
+#
+# GitHub Action CI/CD based integration tests for herald.go
+# These are smoke / sanity tests for the server behaving correctly on a "live"
+# system, and looks for reasonable response codes, not specific correct
+# behavior. Those are covered in unit tests.
+#
+# N.B.
+# For the curl based json tests the `id` field existing is needed.
+#
+
+# global variables
+
+RES=(0)
+FINALRES=0
+# functions
+
+
+function logical_or {
+	for res in ${RES[@]}; do
+		if [ $res -eq 1 -o $FINALRES -eq 1 ]; then
+			FINALRES=1
+			return
+		fi
+	done
+}
+
+function want_got {
+	if [ "${WANT}" != "${GOT}" ]; then
+		echo "WANT: ${WANT}"
+		echo "GOT: ${GOT}"
+		RES+=(1)
+	else
+		RES+=(0)
+	fi
+}
+
+function want_greater {
+	if [ ${WANT} -ge ${GOT} ]; then
+		echo "WANT: ${WANT}"
+		echo "GOT: ${GOT}"
+		RES+=(1)
+	else
+		RES+=(0)
+	fi
+}
+
+function test_command_with_want {
+	echo $CMD
+	GOT=`eval $CMD`
+
+	want_got
+}
+
+# grpc endpoint testing
+
+
+read -r -d '' CMD <<- EOM
+	grpcurl -plaintext -d '{"value": ["@Styxhexenhammer666:2"]}' 127.0.0.1:50051 pb.Hub.Resolve
+	| jq .txos[0].txHash | sed 's/"//g'
+EOM
+WANT="VOFP8MQEwps9Oa5NJJQ18WfVzUzlpCjst0Wz3xyOPd4="
+test_command_with_want
+
+# GOT=`eval $CMD`
+
+#want_got
+
+##
+## N.B. This is a degenerate case that takes a long time to run.
+## The runtime should be fixed, but in the meantime, we definitely should
+## ensure this behaves as expected.
+##
+## TODO: Test runtime doesn't exceed worst case.
+##
+
+#WANT=806389
+#read -r -d '' CMD <<- EOM
+#	grpcurl -plaintext -d '{"value": ["foo"]}' 127.0.0.1:50051 pb.Hub.Resolve | jq .txos[0].height
+#EOM
+# test_command_with_want
+
+# json rpc endpoint testing
+
+## blockchain.block
+
+### blockchain.block.get_chunk
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.block.get_chunk", "params": [0]}'
+	| jq .result | sed 's/"//g' | head -c 100
+EOM
+WANT="010000000000000000000000000000000000000000000000000000000000000000000000cc59e59ff97ac092b55e423aa549"
+test_command_with_want
+
+### blockchain.block.get_header
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.block.get_header", "params": []}'
+	| jq .result.timestamp
+EOM
+WANT=1446058291
+test_command_with_want
+
+### blockchain.block.headers
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.block.headers", "params": []}'
+	| jq .result.count
+EOM
+WANT=0
+test_command_with_want
+
+## blockchain.claimtrie
+
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.claimtrie.resolve", "params":[{"Data": ["@Styxhexenhammer666:2"]}]}'
+	| jq .result.txos[0].tx_hash | sed 's/"//g'
+EOM
+WANT="VOFP8MQEwps9Oa5NJJQ18WfVzUzlpCjst0Wz3xyOPd4="
+test_command_with_want
+
+## blockchain.address
+
+### blockchain.address.get_balance
+
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.address.get_balance", "params":[{"Address": "bGqWuXRVm5bBqLvLPEQQpvsNxJ5ubc6bwN"}]}'
+	| jq .result.confirmed
+EOM
+WANT=44415602186
+test_command_with_want
+
+## blockchain.address.get_history
+
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.address.get_history", "params":[{"Address": "bGqWuXRVm5bBqLvLPEQQpvsNxJ5ubc6bwN"}]}'
+	| jq '.result.confirmed | length'
+EOM
+WANT=82
+test_command_with_want
+
+## blockchain.address.listunspent
+
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.address.listunspent", "params":[{"Address": "bGqWuXRVm5bBqLvLPEQQpvsNxJ5ubc6bwN"}]}'
+	| jq '.result | length'
+EOM
+WANT=32
+test_command_with_want
+
+# blockchain.scripthash
+
+## blockchain.scripthash.get_mempool
+
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.scripthash.get_mempool", "params":[{"scripthash": "bGqWuXRVm5bBqLvLPEQQpvsNxJ5ubc6bwN"}]}'
+	| jq .error | sed 's/"//g'
+EOM
+WANT="encoding/hex: invalid byte: U+0047 'G'"
+test_command_with_want
+
+## blockchain.scripthash.get_history
+
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.scripthash.get_history", "params":[{"scripthash": "bGqWuXRVm5bBqLvLPEQQpvsNxJ5ubc6bwN"}]}'
+	| jq .error | sed 's/"//g'
+EOM
+WANT="encoding/hex: invalid byte: U+0047 'G'"
+test_command_with_want
+
+## blockchain.scripthash.listunspent
+
+read -r -d '' CMD <<- EOM
+	curl http://127.0.0.1:50001/rpc -s -H "Content-Type: application/json"
+	--data '{"id": 1, "method": "blockchain.scripthash.listunspent", "params":[{"scripthash": "bGqWuXRVm5bBqLvLPEQQpvsNxJ5ubc6bwN"}]}'
+	| jq .error | sed 's/"//g'
+EOM
+WANT="encoding/hex: invalid byte: U+0047 'G'"
+test_command_with_want
+
+# metrics endpoint testing
+
+WANT=0
+GOT=$(curl http://127.0.0.1:2112/metrics -s | grep requests | grep resolve | awk '{print $NF}')
+want_greater
+
+# caclulate return value
+
+logical_or $RES
+
+if [ $FINALRES -eq 1 ]; then
+	echo "Failed!"
+	exit 1
+else
+	echo "Passed!"
+	exit 0
+fi

server/jsonrpc_blockchain.go

@@ -18,6 +18,8 @@ import (
 	"github.com/lbryio/lbcd/wire"
 	"github.com/lbryio/lbcutil"
 	"golang.org/x/exp/constraints"
+
+	log "github.com/sirupsen/logrus"
 )
 
 // BlockchainBlockService methods handle "blockchain.block.*" RPCs
@@ -120,6 +122,7 @@ func (s *BlockchainBlockService) Get_chunk(req *BlockGetChunkReq, resp **BlockGe
 	index := uint32(*req)
 	db_headers, err := s.DB.GetHeaders(index*CHUNK_SIZE, CHUNK_SIZE)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	raw := make([]byte, 0, HEADER_SIZE*len(db_headers))
@@ -141,6 +144,7 @@ func (s *BlockchainBlockService) Get_header(req *BlockGetHeaderReq, resp **Block
 	height := uint32(*req)
 	headers, err := s.DB.GetHeaders(height, 1)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	if len(headers) < 1 {
@@ -171,6 +175,7 @@ func (s *BlockchainBlockService) Headers(req *BlockHeadersReq, resp **BlockHeade
 	count := min(req.Count, MAX_CHUNK_SIZE)
 	db_headers, err := s.DB.GetHeaders(req.StartHeight, count)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	count = uint32(len(db_headers))
@@ -283,18 +288,22 @@ type AddressGetBalanceResp struct {
 func (s *BlockchainAddressService) Get_balance(req *AddressGetBalanceReq, resp **AddressGetBalanceResp) error {
 	address, err := lbcutil.DecodeAddress(req.Address, s.Chain)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	script, err := txscript.PayToAddrScript(address)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	hashX := hashXScript(script, s.Chain)
 	confirmed, unconfirmed, err := s.DB.GetBalance(hashX)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	*resp = &AddressGetBalanceResp{confirmed, unconfirmed}
+
 	return err
 }
 
@@ -310,11 +319,13 @@ type ScripthashGetBalanceResp struct {
 func (s *BlockchainScripthashService) Get_balance(req *scripthashGetBalanceReq, resp **ScripthashGetBalanceResp) error {
 	scripthash, err := decodeScriptHash(req.ScriptHash)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	hashX := hashX(scripthash)
 	confirmed, unconfirmed, err := s.DB.GetBalance(hashX)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	*resp = &ScripthashGetBalanceResp{confirmed, unconfirmed}
@@ -341,15 +352,18 @@ type AddressGetHistoryResp struct {
 func (s *BlockchainAddressService) Get_history(req *AddressGetHistoryReq, resp **AddressGetHistoryResp) error {
 	address, err := lbcutil.DecodeAddress(req.Address, s.Chain)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	script, err := txscript.PayToAddrScript(address)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	hashX := hashXScript(script, s.Chain)
 	dbTXs, err := s.DB.GetHistory(hashX)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	confirmed := make([]TxInfo, 0, len(dbTXs))
@@ -380,11 +394,13 @@ type ScripthashGetHistoryResp struct {
 func (s *BlockchainScripthashService) Get_history(req *ScripthashGetHistoryReq, resp **ScripthashGetHistoryResp) error {
 	scripthash, err := decodeScriptHash(req.ScriptHash)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	hashX := hashX(scripthash)
 	dbTXs, err := s.DB.GetHistory(hashX)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	confirmed := make([]TxInfo, 0, len(dbTXs))
@@ -412,10 +428,12 @@ type AddressGetMempoolResp []TxInfoFee
 func (s *BlockchainAddressService) Get_mempool(req *AddressGetMempoolReq, resp **AddressGetMempoolResp) error {
 	address, err := lbcutil.DecodeAddress(req.Address, s.Chain)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	script, err := txscript.PayToAddrScript(address)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	hashX := hashXScript(script, s.Chain)
@@ -436,6 +454,7 @@ type ScripthashGetMempoolResp []TxInfoFee
 func (s *BlockchainScripthashService) Get_mempool(req *ScripthashGetMempoolReq, resp **ScripthashGetMempoolResp) error {
 	scripthash, err := decodeScriptHash(req.ScriptHash)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	hashX := hashX(scripthash)
@@ -462,10 +481,12 @@ type AddressListUnspentResp []TXOInfo
 func (s *BlockchainAddressService) Listunspent(req *AddressListUnspentReq, resp **AddressListUnspentResp) error {
 	address, err := lbcutil.DecodeAddress(req.Address, s.Chain)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	script, err := txscript.PayToAddrScript(address)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	hashX := hashXScript(script, s.Chain)
@@ -494,6 +515,7 @@ type ScripthashListUnspentResp []TXOInfo
 func (s *BlockchainScripthashService) Listunspent(req *ScripthashListUnspentReq, resp **ScripthashListUnspentResp) error {
 	scripthash, err := decodeScriptHash(req.ScriptHash)
 	if err != nil {
+		log.Warn(err)
 		return err
 	}
 	hashX := hashX(scripthash)