unit tests

README.md

@@ -2,7 +2,7 @@
 
 [![Go Report Card](https://goreportcard.com/badge/github.com/vulcanize/eth-ipfs-state-validator)](https://goreportcard.com/report/github.com/vulcanize/eth-ipfs-state-validator)
 
-> Uses [pg-ipfs-ethdb](https://github.com/vulcanize/pg-ipfs-ethdb) to validate completeness of Ethereum state data on IPFS
+> Uses [ipfs-ethdb](https://github.com/vulcanize/ipfs-ethdb/postgres) to validate completeness of IPFS Ethereum state data
 
 ## Background
 

go.mod

@@ -4,8 +4,12 @@ go 1.13
 
 require (
 	github.com/ethereum/go-ethereum v1.9.15
+	github.com/ipfs/go-cid v0.0.5
+	github.com/ipfs/go-ipfs-blockstore v1.0.0
+	github.com/ipfs/go-ipfs-ds-help v1.0.0
 	github.com/jmoiron/sqlx v1.2.0
 	github.com/lib/pq v1.5.2
+	github.com/multiformats/go-multihash v0.0.13
 	github.com/onsi/ginkgo v1.12.1
 	github.com/onsi/gomega v1.10.1
 	github.com/sirupsen/logrus v1.6.0

go.sum

@@ -11,6 +11,7 @@ cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqCl
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/Azure/azure-pipeline-go v0.2.1/go.mod h1:UGSo8XybXnIGZ3epmeBw7Jdz+HiUVpqIlpz/HKHylF4=
 github.com/Azure/azure-pipeline-go v0.2.2/go.mod h1:4rQ/NZncSvGqNkkOsNpOU1tgoNuIlp9AfUH5G1tvCHc=
 github.com/Azure/azure-storage-blob-go v0.7.0/go.mod h1:f9YQKtsG1nMisotuTPpO0tjNuEjKRYAcJU8/ydDI++4=
@@ -26,10 +27,12 @@ github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6L
 github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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+github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y=
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 github.com/VictoriaMetrics/fastcache v1.5.7 h1:4y6y0G8PRzszQUYIQHHssv/jgPHAb5qQuuDNdCbyAgw=
 github.com/VictoriaMetrics/fastcache v1.5.7/go.mod h1:ptDBkNMQI4RtmVo8VS/XwRY6RoTu1dAWCbrk+6WsEM8=
+github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
@@ -45,6 +48,17 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
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+github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8=
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+github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
+github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
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@@ -61,17 +75,23 @@ github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cskr/pubsub v1.0.2/go.mod h1:/8MzYXk/NJAz782G8RPkFzXTZVu63VotefPnR9TIRis=
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+github.com/ethereum/go-ethereum v1.9.16 h1:WQTmbO9RelgTouA5UlRfd4KnXqSarphmvn7XNXUmvhk=
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@@ -79,6 +99,7 @@ github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV
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@@ -97,6 +118,7 @@ github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfb
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@@ -106,6 +128,7 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
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@@ -160,33 +183,68 @@ github.com/huin/goupnp v1.0.0/go.mod h1:n9v9KO1tAxYH82qOn+UTIFQDmx5n1Zxd/ClZDMX7
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@@ -241,20 +352,33 @@ github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh
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@@ -262,9 +386,13 @@ github.com/olekukonko/tablewriter v0.0.2-0.20190409134802-7e037d187b0c h1:1RHs3t
 github.com/olekukonko/tablewriter v0.0.2-0.20190409134802-7e037d187b0c/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
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@@ -307,6 +435,8 @@ github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrf
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
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+github.com/spacemonkeygo/openssl v0.0.0-20181017203307-c2dcc5cca94a/go.mod h1:7AyxJNCJ7SBZ1MfVQCWD6Uqo2oubI2Eq2y2eqf+A5r0=
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@@ -335,6 +465,7 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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@@ -343,8 +474,13 @@ github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGr
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@@ -354,11 +490,16 @@ go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
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@@ -398,8 +539,10 @@ golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -419,12 +562,14 @@ golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5h
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 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -454,6 +599,7 @@ golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
@@ -465,6 +611,7 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -494,6 +641,7 @@ gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
 gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200603215123-a4a8cb9d2cbc/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/urfave/cli.v1 v1.20.0/go.mod h1:vuBzUtMdQeixQj8LVd+/98pzhxNGQoyuPBlsXHOQNO0=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=

pkg/suite_test.go

@@ -0,0 +1,29 @@
+// VulcanizeDB
+// Copyright © 2019 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package validator_test
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestTrieValidator(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "IPFS ETH trie validator test")
+}

pkg/util.go

@@ -0,0 +1,51 @@
+// VulcanizeDB
+// Copyright © 2020 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package validator
+
+import (
+	"github.com/ipfs/go-cid"
+	"github.com/ipfs/go-ipfs-blockstore"
+	"github.com/ipfs/go-ipfs-ds-help"
+	"github.com/jmoiron/sqlx"
+)
+
+// PublishRaw derives a cid from raw bytes and provided codec and multihash type, and writes it to the db tx
+func PublishRaw(tx *sqlx.Tx, codec, mh uint64, raw []byte) (string, error) {
+	c, err := RawdataToCid(codec, raw, mh)
+	if err != nil {
+		return "", err
+	}
+	dbKey := dshelp.MultihashToDsKey(c.Hash())
+	prefixedKey := blockstore.BlockPrefix.String() + dbKey.String()
+	_, err = tx.Exec(`INSERT INTO public.blocks (key, data) VALUES ($1, $2) ON CONFLICT (key) DO NOTHING`, prefixedKey, raw)
+	return c.String(), err
+}
+
+// RawdataToCid takes the desired codec, multihash type, and a slice of bytes
+// and returns the proper cid of the object.
+func RawdataToCid(codec uint64, rawdata []byte, multiHash uint64) (cid.Cid, error) {
+	c, err := cid.Prefix{
+		Codec:    codec,
+		Version:  1,
+		MhType:   multiHash,
+		MhLength: -1,
+	}.Sum(rawdata)
+	if err != nil {
+		return cid.Cid{}, err
+	}
+	return c, nil
+}

pkg/validator.go

@@ -26,7 +26,7 @@ import (
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/jmoiron/sqlx"
 
-	"github.com/vulcanize/pg-ipfs-ethdb"
+	pgipfsethdb "github.com/vulcanize/pg-ipfs-ethdb/postgres"
 )
 
 // Validator is used for validating Ethereum state and storage tries on PG-IPFS
@@ -40,8 +40,8 @@ type Validator struct {
 // Validating the completeness of a modified merkle patricia tries requires traversing the entire trie and verifying that
 // every node is present, this is an expensive operation
 func NewValidator(db *sqlx.DB) *Validator {
-	kvs := ipfsethdb.NewKeyValueStore(db)
+	kvs := pgipfsethdb.NewKeyValueStore(db)
-	database := ipfsethdb.NewDatabase(db)
+	database := pgipfsethdb.NewDatabase(db)
 	return &Validator{
 		kvs:           kvs,
 		trieDB:        trie.NewDatabase(kvs),

pkg/validator_test.go

@@ -0,0 +1,292 @@
+// VulcanizeDB
+// Copyright © 2020 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package validator_test
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/ipfs/go-cid/_rsrch/cidiface"
+	"github.com/jmoiron/sqlx"
+	"github.com/multiformats/go-multihash"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/eth-ipfs-state-validator/pkg"
+	"github.com/vulcanize/pg-ipfs-ethdb/postgres"
+)
+
+var (
+	contractAddr      = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476592")
+	slot0StorageValue = common.Hex2Bytes("94703c4b2bd70c169f5717101caee543299fc946c7")
+	slot1StorageValue = common.Hex2Bytes("01")
+	nullCodeHash      = crypto.Keccak256Hash([]byte{})
+	emptyRootNode, _  = rlp.EncodeToBytes([]byte{})
+	emptyContractRoot = crypto.Keccak256Hash(emptyRootNode)
+
+	stateBranchRootNode, _ = rlp.EncodeToBytes([]interface{}{
+		crypto.Keccak256(bankAccountLeafNode),
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		crypto.Keccak256(minerAccountLeafNode),
+		crypto.Keccak256(contractAccountLeafNode),
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		crypto.Keccak256(account2LeafNode),
+		[]byte{},
+		crypto.Keccak256(account1LeafNode),
+		[]byte{},
+		[]byte{},
+	})
+	stateRoot = crypto.Keccak256Hash(stateBranchRootNode)
+
+	contractAccount, _ = rlp.EncodeToBytes(state.Account{
+		Nonce:    1,
+		Balance:  big.NewInt(0),
+		CodeHash: common.HexToHash("0xaaea5efba4fd7b45d7ec03918ac5d8b31aa93b48986af0e6b591f0f087c80127").Bytes(),
+		Root:     crypto.Keccak256Hash(storageBranchRootNode),
+	})
+	contractAccountLeafNode, _ = rlp.EncodeToBytes([]interface{}{
+		common.Hex2Bytes("3114658a74d9cc9f7acf2c5cd696c3494d7c344d78bfec3add0d91ec4e8d1c45"),
+		contractAccount,
+	})
+
+	minerAccount, _ = rlp.EncodeToBytes(state.Account{
+		Nonce:    0,
+		Balance:  big.NewInt(1000),
+		CodeHash: nullCodeHash.Bytes(),
+		Root:     emptyContractRoot,
+	})
+	minerAccountLeafNode, _ = rlp.EncodeToBytes([]interface{}{
+		common.Hex2Bytes("3380c7b7ae81a58eb98d9c78de4a1fd7fd9535fc953ed2be602daaa41767312a"),
+		minerAccount,
+	})
+
+	account1, _ = rlp.EncodeToBytes(state.Account{
+		Nonce:    2,
+		Balance:  big.NewInt(1000),
+		CodeHash: nullCodeHash.Bytes(),
+		Root:     emptyContractRoot,
+	})
+	account1LeafNode, _ = rlp.EncodeToBytes([]interface{}{
+		common.Hex2Bytes("3926db69aaced518e9b9f0f434a473e7174109c943548bb8f23be41ca76d9ad2"),
+		account1,
+	})
+
+	account2, _ = rlp.EncodeToBytes(state.Account{
+		Nonce:    0,
+		Balance:  big.NewInt(1000),
+		CodeHash: nullCodeHash.Bytes(),
+		Root:     emptyContractRoot,
+	})
+	account2LeafNode, _ = rlp.EncodeToBytes([]interface{}{
+		common.Hex2Bytes("3957f3e2f04a0764c3a0491b175f69926da61efbcc8f61fa1455fd2d2b4cdd45"),
+		account2,
+	})
+
+	bankAccount, _ = rlp.EncodeToBytes(state.Account{
+		Nonce:    2,
+		Balance:  big.NewInt(1000),
+		CodeHash: nullCodeHash.Bytes(),
+		Root:     emptyContractRoot,
+	})
+	bankAccountLeafNode, _ = rlp.EncodeToBytes([]interface{}{
+		common.Hex2Bytes("30bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a"),
+		bankAccount,
+	})
+
+	storageBranchRootNode, _ = rlp.EncodeToBytes([]interface{}{
+		[]byte{},
+		[]byte{},
+		crypto.Keccak256(slot0StorageLeafNode),
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		crypto.Keccak256(slot1StorageLeafNode),
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+		[]byte{},
+	})
+	storageRoot = crypto.Keccak256Hash(storageBranchRootNode)
+
+	slot0StorageLeafNode, _ = rlp.EncodeToBytes([]interface{}{
+		common.Hex2Bytes("390decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563"),
+		slot0StorageValue,
+	})
+	slot1StorageLeafNode, _ = rlp.EncodeToBytes([]interface{}{
+		common.Hex2Bytes("310e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6"),
+		slot1StorageValue,
+	})
+
+	trieStateNodes = [][]byte{
+		stateBranchRootNode,
+		bankAccountLeafNode,
+		minerAccountLeafNode,
+		contractAccountLeafNode,
+		account1LeafNode,
+		account2LeafNode,
+	}
+	trieStorageNodes = [][]byte{
+		storageBranchRootNode,
+		slot0StorageLeafNode,
+		slot1StorageLeafNode,
+	}
+
+	missingRootStateNodes = [][]byte{
+		bankAccountLeafNode,
+		minerAccountLeafNode,
+		contractAccountLeafNode,
+		account1LeafNode,
+		account2LeafNode,
+	}
+	missingRootStorageNodes = [][]byte{
+		slot0StorageLeafNode,
+		slot1StorageLeafNode,
+	}
+
+	missingNodeStateNodes = [][]byte{
+		stateBranchRootNode,
+		bankAccountLeafNode,
+		minerAccountLeafNode,
+		contractAccountLeafNode,
+		account2LeafNode,
+	}
+	missingNodeStorageNodes = [][]byte{
+		storageBranchRootNode,
+		slot1StorageLeafNode,
+	}
+)
+
+var (
+	v   *validator.Validator
+	db  *sqlx.DB
+	err error
+)
+
+var _ = Describe("Validator", func() {
+	BeforeEach(func() {
+		db, err = pgipfsethdb.TestDB()
+		Expect(err).ToNot(HaveOccurred())
+		v = validator.NewValidator(db)
+	})
+	AfterEach(func() {
+		err = pgipfsethdb.ResetTestDB(db)
+		Expect(err).ToNot(HaveOccurred())
+	})
+
+	Describe("ValidateTrie", func() {
+		It("Returns an error the state root node is missing", func() {
+			loadTrie(missingRootStateNodes, trieStorageNodes)
+			err = v.ValidateTrie(stateRoot)
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("does not exist in database"))
+		})
+		It("Fails to return an error if the storage root node is missing", func() {
+			// NOTE this failure was not expected and renders this approach unreliable, this is an issue with the go-ethereum core/state/iterator.NodeIterator
+			loadTrie(trieStateNodes, missingRootStorageNodes)
+			err = v.ValidateTrie(stateRoot)
+			Expect(err).ToNot(HaveOccurred())
+		})
+		It("Fails to return an error if the entire state (state trie and storage tries) cannot be validated", func() {
+			// NOTE this failure was not expected and renders this approach unreliable, this is an issue with the go-ethereum core/state/iterator.NodeIterator
+			loadTrie(missingNodeStateNodes, trieStorageNodes)
+			err = v.ValidateTrie(stateRoot)
+			Expect(err).ToNot(HaveOccurred())
+		})
+		It("Fails to return an error if the entire state (state trie and storage tries) cannot be validated", func() {
+			// NOTE this failure was not expected and renders this approach unreliable, this is an issue with the go-ethereum core/state/iterator.NodeIterator
+			loadTrie(trieStateNodes, missingNodeStorageNodes)
+			err = v.ValidateTrie(stateRoot)
+			Expect(err).ToNot(HaveOccurred())
+		})
+		It("Returns no error if the entire state (state trie and storage tries) can be validated", func() {
+			loadTrie(trieStateNodes, trieStorageNodes)
+			err = v.ValidateTrie(stateRoot)
+			Expect(err).ToNot(HaveOccurred())
+		})
+	})
+
+	Describe("ValidateStateTrie", func() {
+		It("Returns an error the state root node is missing", func() {
+			loadTrie(missingRootStateNodes, nil)
+			err = v.ValidateStateTrie(stateRoot)
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("missing trie node"))
+		})
+		It("Returns an error if the entire state trie cannot be validated", func() {
+			loadTrie(missingNodeStateNodes, nil)
+			err = v.ValidateStateTrie(stateRoot)
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("missing trie node"))
+		})
+		It("Returns no error if the entire state trie can be validated", func() {
+			loadTrie(trieStateNodes, nil)
+			err = v.ValidateStateTrie(stateRoot)
+			Expect(err).ToNot(HaveOccurred())
+		})
+	})
+
+	Describe("ValidateStorageTrie", func() {
+		It("Returns an error the storage root node is missing", func() {
+			loadTrie(nil, missingRootStorageNodes)
+			err = v.ValidateStorageTrie(contractAddr, storageRoot)
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("missing trie node"))
+		})
+		It("Returns an error if the entire storage trie cannot be validated", func() {
+			loadTrie(nil, missingNodeStorageNodes)
+			err = v.ValidateStorageTrie(contractAddr, storageRoot)
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("missing trie node"))
+		})
+		It("Returns no error if the entire storage trie can be validated", func() {
+			loadTrie(nil, trieStorageNodes)
+			err = v.ValidateStorageTrie(contractAddr, storageRoot)
+			Expect(err).ToNot(HaveOccurred())
+		})
+	})
+})
+
+func loadTrie(stateNodes, storageNodes [][]byte) {
+	tx, err := db.Beginx()
+	Expect(err).ToNot(HaveOccurred())
+	for _, node := range stateNodes {
+		_, err := validator.PublishRaw(tx, cid.EthStateTrie, multihash.KECCAK_256, node)
+		Expect(err).ToNot(HaveOccurred())
+	}
+	for _, node := range storageNodes {
+		_, err := validator.PublishRaw(tx, cid.EthStorageTrie, multihash.KECCAK_256, node)
+		Expect(err).ToNot(HaveOccurred())
+	}
+	err = tx.Commit()
+	Expect(err).ToNot(HaveOccurred())
+}