go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/ipfs/go-ipfs-blockstore v1.0.1
 	github.com/ipfs/go-ipfs-ds-help v1.0.0
 	github.com/ipfs/go-ipld-format v0.2.0
+	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/jmoiron/sqlx v1.3.5
 	github.com/joho/godotenv v1.4.0
 	github.com/lib/pq v1.10.5
@@ -22,9 +23,13 @@ require (
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.4.0
 	github.com/spf13/viper v1.11.0
+	github.com/thoas/go-funk v0.9.2 // indirect
 	github.com/vulcanize/eth-ipfs-state-validator/v3 v3.0.2
 	github.com/vulcanize/gap-filler v0.3.1
 	github.com/vulcanize/ipfs-ethdb/v3 v3.0.3
+	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e // indirect
+	gorm.io/driver/postgres v1.3.7
+	gorm.io/gorm v1.23.5
 )
 
 require (
@@ -123,18 +128,19 @@ require (
 	github.com/ipld/go-codec-dagpb v1.3.0 // indirect
 	github.com/ipld/go-ipld-prime v0.12.2 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
-	github.com/jackc/pgconn v1.10.0 // indirect
+	github.com/jackc/pgconn v1.12.1 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgproto3/v2 v2.1.1 // indirect
+	github.com/jackc/pgproto3/v2 v2.3.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
-	github.com/jackc/pgtype v1.8.1 // indirect
+	github.com/jackc/pgtype v1.11.0 // indirect
-	github.com/jackc/pgx/v4 v4.13.0 // indirect
+	github.com/jackc/pgx/v4 v4.16.1 // indirect
-	github.com/jackc/puddle v1.1.3 // indirect
+	github.com/jackc/puddle v1.2.1 // indirect
 	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
 	github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect
 	github.com/jbenet/goprocess v0.1.4 // indirect
 	github.com/jinzhu/copier v0.2.4 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/klauspost/compress v1.11.7 // indirect
 	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
 	github.com/koron/go-ssdp v0.0.2 // indirect
@@ -243,7 +249,6 @@ require (
 	github.com/stretchr/testify v1.7.1 // indirect
 	github.com/subosito/gotenv v1.2.0 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
-	github.com/thoas/go-funk v0.9.2 // indirect
 	github.com/tklauser/go-sysconf v0.3.5 // indirect
 	github.com/tklauser/numcpus v0.2.2 // indirect
 	github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef // indirect
@@ -265,7 +270,6 @@ require (
 	go.uber.org/multierr v1.7.0 // indirect
 	go.uber.org/zap v1.19.0 // indirect
 	go4.org v0.0.0-20200411211856-f5505b9728dd // indirect
-	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
 	golang.org/x/mod v0.6.0-dev.0.20211013180041-c96bc1413d57 // indirect
 	golang.org/x/net v0.0.0-20220412020605-290c469a71a5 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect

go.sum

@@ -76,6 +76,7 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y=
+github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc=
 github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/OneOfOne/xxhash v1.2.5/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q=
@@ -788,8 +789,9 @@ github.com/jackc/pgconn v1.7.0/go.mod h1:sF/lPpNEMEOp+IYhyQGdAvrG20gWf6A1tKlr0v7
 github.com/jackc/pgconn v1.8.0/go.mod h1:1C2Pb36bGIP9QHGBYCjnyhqu7Rv3sGshaQUvmfGIB/o=
 github.com/jackc/pgconn v1.9.0/go.mod h1:YctiPyvzfU11JFxoXokUOOKQXQmDMoJL9vJzHH8/2JY=
 github.com/jackc/pgconn v1.9.1-0.20210724152538-d89c8390a530/go.mod h1:4z2w8XhRbP1hYxkpTuBjTS3ne3J48K83+u0zoyvg2pI=
-github.com/jackc/pgconn v1.10.0 h1:4EYhlDVEMsJ30nNj0mmgwIUXoq7e9sMJrVC2ED6QlCU=
 github.com/jackc/pgconn v1.10.0/go.mod h1:4z2w8XhRbP1hYxkpTuBjTS3ne3J48K83+u0zoyvg2pI=
+github.com/jackc/pgconn v1.12.1 h1:rsDFzIpRk7xT4B8FufgpCCeyjdNpKyghZeSefViE5W8=
+github.com/jackc/pgconn v1.12.1/go.mod h1:ZkhRC59Llhrq3oSfrikvwQ5NaxYExr6twkdkMLaKono=
 github.com/jackc/pgio v1.0.0 h1:g12B9UwVnzGhueNavwioyEEpAmqMe1E/BN9ES+8ovkE=
 github.com/jackc/pgio v1.0.0/go.mod h1:oP+2QK2wFfUWgr+gxjoBH9KGBb31Eio69xUb0w5bYf8=
 github.com/jackc/pgmock v0.0.0-20190831213851-13a1b77aafa2/go.mod h1:fGZlG77KXmcq05nJLRkk0+p82V8B8Dw8KN2/V9c/OAE=
@@ -807,8 +809,9 @@ github.com/jackc/pgproto3/v2 v2.0.1/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwX
 github.com/jackc/pgproto3/v2 v2.0.2/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
 github.com/jackc/pgproto3/v2 v2.0.5/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
 github.com/jackc/pgproto3/v2 v2.0.6/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
-github.com/jackc/pgproto3/v2 v2.1.1 h1:7PQ/4gLoqnl87ZxL7xjO0DR5gYuviDCZxQJsUlFW1eI=
 github.com/jackc/pgproto3/v2 v2.1.1/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
+github.com/jackc/pgproto3/v2 v2.3.0 h1:brH0pCGBDkBW07HWlN/oSBXrmo3WB0UvZd1pIuDcL8Y=
+github.com/jackc/pgproto3/v2 v2.3.0/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
 github.com/jackc/pgservicefile v0.0.0-20200307190119-3430c5407db8/go.mod h1:vsD4gTJCa9TptPL8sPkXrLZ+hDuNrZCnj29CQpr4X1E=
 github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b h1:C8S2+VttkHFdOOCXJe+YGfa4vHYwlt4Zx+IVXQ97jYg=
 github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b/go.mod h1:vsD4gTJCa9TptPL8sPkXrLZ+hDuNrZCnj29CQpr4X1E=
@@ -821,8 +824,9 @@ github.com/jackc/pgtype v1.3.1-0.20200510190516-8cd94a14c75a/go.mod h1:vaogEUkAL
 github.com/jackc/pgtype v1.3.1-0.20200606141011-f6355165a91c/go.mod h1:cvk9Bgu/VzJ9/lxTO5R5sf80p0DiucVtN7ZxvaC4GmQ=
 github.com/jackc/pgtype v1.4.2/go.mod h1:JCULISAZBFGrHaOXIIFiyfzW5VY0GRitRr8NeJsrdig=
 github.com/jackc/pgtype v1.8.1-0.20210724151600-32e20a603178/go.mod h1:C516IlIV9NKqfsMCXTdChteoXmwgUceqaLfjg2e3NlM=
-github.com/jackc/pgtype v1.8.1 h1:9k0IXtdJXHJbyAWQgbWr1lU+MEhPXZz6RIXxfR5oxXs=
 github.com/jackc/pgtype v1.8.1/go.mod h1:LUMuVrfsFfdKGLw+AFFVv6KtHOFMwRgDDzBt76IqCA4=
+github.com/jackc/pgtype v1.11.0 h1:u4uiGPz/1hryuXzyaBhSk6dnIyyG2683olG2OV+UUgs=
+github.com/jackc/pgtype v1.11.0/go.mod h1:LUMuVrfsFfdKGLw+AFFVv6KtHOFMwRgDDzBt76IqCA4=
 github.com/jackc/pgx v3.6.2+incompatible/go.mod h1:0ZGrqGqkRlliWnWB4zKnWtjbSWbGkVEFm4TeybAXq+I=
 github.com/jackc/pgx/v4 v4.0.0-20190420224344-cc3461e65d96/go.mod h1:mdxmSJJuR08CZQyj1PVQBHy9XOp5p8/SHH6a0psbY9Y=
 github.com/jackc/pgx/v4 v4.0.0-20190421002000-1b8f0016e912/go.mod h1:no/Y67Jkk/9WuGR0JG/JseM9irFbnEPbuWV2EELPNuM=
@@ -833,15 +837,17 @@ github.com/jackc/pgx/v4 v4.6.1-0.20200510190926-94ba730bb1e9/go.mod h1:t3/cdRQl6
 github.com/jackc/pgx/v4 v4.6.1-0.20200606145419-4e5062306904/go.mod h1:ZDaNWkt9sW1JMiNn0kdYBaLelIhw7Pg4qd+Vk6tw7Hg=
 github.com/jackc/pgx/v4 v4.8.1/go.mod h1:4HOLxrl8wToZJReD04/yB20GDwf4KBYETvlHciCnwW0=
 github.com/jackc/pgx/v4 v4.12.1-0.20210724153913-640aa07df17c/go.mod h1:1QD0+tgSXP7iUjYm9C1NxKhny7lq6ee99u/z+IHFcgs=
-github.com/jackc/pgx/v4 v4.13.0 h1:JCjhT5vmhMAf/YwBHLvrBn4OGdIQBiFG6ym8Zmdx570=
 github.com/jackc/pgx/v4 v4.13.0/go.mod h1:9P4X524sErlaxj0XSGZk7s+LD0eOyu1ZDUrrpznYDF0=
+github.com/jackc/pgx/v4 v4.16.1 h1:JzTglcal01DrghUqt+PmzWsZx/Yh7SC/CTQmSBMTd0Y=
+github.com/jackc/pgx/v4 v4.16.1/go.mod h1:SIhx0D5hoADaiXZVyv+3gSm3LCIIINTVO0PficsvWGQ=
 github.com/jackc/puddle v0.0.0-20190413234325-e4ced69a3a2b/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackc/puddle v0.0.0-20190608224051-11cab39313c9/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackc/puddle v1.1.0/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackc/puddle v1.1.1/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackc/puddle v1.1.2/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
-github.com/jackc/puddle v1.1.3 h1:JnPg/5Q9xVJGfjsO5CPUOjnJps1JaRUm8I9FXVCFK94=
 github.com/jackc/puddle v1.1.3/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
+github.com/jackc/puddle v1.2.1 h1:gI8os0wpRXFd4FiAY2dWiqRK037tjj3t7rKFeO4X5iw=
+github.com/jackc/puddle v1.2.1/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackpal/gateway v1.0.5/go.mod h1:lTpwd4ACLXmpyiCTRtfiNyVnUmqT9RivzCDQetPfnjA=
 github.com/jackpal/go-nat-pmp v1.0.1/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
 github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
@@ -866,8 +872,12 @@ github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJS
 github.com/jinzhu/copier v0.2.4 h1:dT3tI+8GzU8DjJFCj9mLYtjfRtUmK7edauduQdcZCpI=
 github.com/jinzhu/copier v0.2.4/go.mod h1:24xnZezI2Yqac9J61UC6/dG/k76ttpq0DdJI3QmUvro=
 github.com/jinzhu/gorm v1.9.12/go.mod h1:vhTjlKSJUTWNtcbQtrMBFCxy7eXTzeCAzfL5fBZT/Qs=
+github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.0.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/jinzhu/now v1.1.4/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
+github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
@@ -1920,8 +1930,8 @@ golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5y
 golang.org/x/crypto v0.0.0-20210813211128-0a44fdfbc16e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 h1:kUhD7nTDoI3fVd9G4ORWrbV5NY0liEs/Jg2pv5f+bBA=
+golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e h1:T8NU3HyQ8ClP4SEE+KbFlg6n0NhuTsN4MyznaarGsZM=
-golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -2423,6 +2433,11 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gorm.io/driver/postgres v1.3.7 h1:FKF6sIMDHDEvvMF/XJvbnCl0nu6KSKUaPXevJ4r+VYQ=
+gorm.io/driver/postgres v1.3.7/go.mod h1:f02ympjIcgtHEGFMZvdgTxODZ9snAHDb4hXfigBVuNI=
+gorm.io/gorm v1.23.4/go.mod h1:l2lP/RyAtc1ynaTjFksBde/O8v9oOGIApu2/xRitmZk=
+gorm.io/gorm v1.23.5 h1:TnlF26wScKSvknUC/Rn8t0NLLM22fypYBlvj1+aH6dM=
+gorm.io/gorm v1.23.5/go.mod h1:l2lP/RyAtc1ynaTjFksBde/O8v9oOGIApu2/xRitmZk=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

pkg/eth/cid_retriever.go

@@ -26,6 +26,8 @@ import (
 	"github.com/jmoiron/sqlx"
 	"github.com/lib/pq"
 	log "github.com/sirupsen/logrus"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
 
 	"github.com/vulcanize/ipld-eth-server/v3/pkg/shared"
 )
@@ -40,12 +42,73 @@ type Retriever interface {
 // CIDRetriever satisfies the CIDRetriever interface for ethereum
 type CIDRetriever struct {
 	db     *sqlx.DB
+	gormDB *gorm.DB
+}
+
+type IPLDModelRecord struct {
+	models.IPLDModel
+}
+
+// TableName overrides the table name used by IPLD
+func (IPLDModelRecord) TableName() string {
+	return "public.blocks"
+}
+
+type HeaderCIDRecord struct {
+	CID             string `gorm:"column:cid"`
+	BlockHash       string `gorm:"primaryKey"`
+	BlockNumber     string
+	ParentHash      string
+	Timestamp       uint64
+	StateRoot       string
+	TotalDifficulty string `gorm:"column:td"`
+	TxRoot          string
+	RctRoot         string `gorm:"column:receipt_root"`
+	UncleRoot       string
+	Bloom           []byte
+	MhKey           string
+
+	// gorm doesn't check if foreign key exists in database.
+	// It is required to eager load relations using preload.
+	TransactionCIDs []TransactionCIDRecord `gorm:"foreignKey:HeaderID;references:BlockHash"`
+	IPLD            IPLDModelRecord        `gorm:"foreignKey:MhKey;references:Key"`
+}
+
+// TableName overrides the table name used by HeaderCIDRecord
+func (HeaderCIDRecord) TableName() string {
+	return "eth.header_cids"
+}
+
+type TransactionCIDRecord struct {
+	CID      string `gorm:"column:cid"`
+	TxHash   string `gorm:"primaryKey"`
+	HeaderID string `gorm:"column:header_id"`
+	Index    int64
+	Src      string
+	Dst      string
+	MhKey    string
+	IPLD     IPLDModelRecord `gorm:"foreignKey:MhKey;references:Key"`
+}
+
+// TableName overrides the table name used by TransactionCIDRecord
+func (TransactionCIDRecord) TableName() string {
+	return "eth.transaction_cids"
 }
 
 // NewCIDRetriever returns a pointer to a new CIDRetriever which supports the CIDRetriever interface
 func NewCIDRetriever(db *sqlx.DB) *CIDRetriever {
+	gormDB, err := gorm.Open(postgres.New(postgres.Config{
+		Conn: db,
+	}), &gorm.Config{})
+
+	if err != nil {
+		log.Error(err)
+		return nil
+	}
+
 	return &CIDRetriever{
 		db:     db,
+		gormDB: gormDB,
 	}
 }
 
@@ -304,8 +367,8 @@ func (ecr *CIDRetriever) RetrieveRctCIDsByHeaderID(tx *sqlx.Tx, rctFilter Receip
 	pgStr, args = receiptFilterConditions(&id, pgStr, args, rctFilter, trxHashes)
 
 	pgStr += ` ORDER BY transaction_cids.index`
-	receiptCids := make([]models.ReceiptModel, 0)
+	receiptCIDs := make([]models.ReceiptModel, 0)
-	return receiptCids, tx.Select(&receiptCids, pgStr, args...)
+	return receiptCIDs, tx.Select(&receiptCIDs, pgStr, args...)
 }
 
 // RetrieveFilteredGQLLogs retrieves and returns all the log cIDs provided blockHash that conform to the provided
@@ -399,8 +462,8 @@ func (ecr *CIDRetriever) RetrieveRctCIDs(tx *sqlx.Tx, rctFilter ReceiptFilter, b
 	pgStr, args = receiptFilterConditions(&id, pgStr, args, rctFilter, txHashes)
 
 	pgStr += ` ORDER BY transaction_cids.index`
-	receiptCids := make([]models.ReceiptModel, 0)
+	receiptCIDs := make([]models.ReceiptModel, 0)
-	return receiptCids, tx.Select(&receiptCids, pgStr, args...)
+	return receiptCIDs, tx.Select(&receiptCIDs, pgStr, args...)
 }
 
 func hasTopics(topics [][]string) bool {
@@ -576,7 +639,8 @@ func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (models.Header
 // RetrieveHeaderCIDByHash returns the header for the given block hash
 func (ecr *CIDRetriever) RetrieveHeaderCIDByHash(tx *sqlx.Tx, blockHash common.Hash) (models.HeaderModel, error) {
 	log.Debug("retrieving header cids for block hash ", blockHash.String())
-	pgStr := `SELECT block_hash,cid,mh_key FROM eth.header_cids
+	pgStr := `SELECT block_hash, CAST(block_number as Text), parent_hash, cid, mh_key, CAST(td as Text),
+			state_root, uncle_root, tx_root, receipt_root, bloom, timestamp FROM eth.header_cids
 			WHERE block_hash = $1`
 	var headerCID models.HeaderModel
 	return headerCID, tx.Get(&headerCID, pgStr, blockHash.String())
@@ -604,3 +668,58 @@ func (ecr *CIDRetriever) RetrieveReceiptCIDsByTxIDs(tx *sqlx.Tx, txHashes []stri
 	var rctCIDs []models.ReceiptModel
 	return rctCIDs, tx.Select(&rctCIDs, pgStr, pq.Array(txHashes))
 }
+
+// RetrieveHeaderAndTxCIDsByBlockNumber retrieves header CIDs and their associated tx CIDs by block number
+func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockNumber(blockNumber int64) ([]HeaderCIDRecord, error) {
+	log.Debug("retrieving header cids and tx cids for block number ", blockNumber)
+
+	var headerCIDs []HeaderCIDRecord
+
+	// https://github.com/go-gorm/gorm/issues/4083#issuecomment-778883283
+	// Will use join for TransactionCIDs once preload for 1:N is supported.
+	err := ecr.gormDB.Preload("TransactionCIDs", func(tx *gorm.DB) *gorm.DB {
+		return tx.Select("cid", "tx_hash", "index", "src", "dst", "header_id")
+	}).Joins("IPLD").Find(&headerCIDs, "block_number = ?", blockNumber).Error
+
+	if err != nil {
+		log.Error("header cid retrieval error")
+		return nil, err
+	}
+
+	return headerCIDs, nil
+}
+
+// RetrieveHeaderAndTxCIDsByBlockHash retrieves header CID and their associated tx CIDs by block hash
+func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockHash(blockHash common.Hash) (HeaderCIDRecord, error) {
+	log.Debug("retrieving header cid and tx cids for block hash ", blockHash.String())
+
+	var headerCID HeaderCIDRecord
+
+	// https://github.com/go-gorm/gorm/issues/4083#issuecomment-778883283
+	// Will use join for TransactionCIDs once preload for 1:N is supported.
+	err := ecr.gormDB.Preload("TransactionCIDs", func(tx *gorm.DB) *gorm.DB {
+		return tx.Select("cid", "tx_hash", "index", "src", "dst", "header_id")
+	}).Joins("IPLD").First(&headerCID, "block_hash = ?", blockHash.String()).Error
+
+	if err != nil {
+		log.Error("header cid retrieval error")
+		return headerCID, err
+	}
+
+	return headerCID, nil
+}
+
+// RetrieveTxCIDByHash returns the tx for the given tx hash
+func (ecr *CIDRetriever) RetrieveTxCIDByHash(txHash string) (TransactionCIDRecord, error) {
+	log.Debug("retrieving tx cid for tx hash ", txHash)
+
+	var txCID TransactionCIDRecord
+
+	err := ecr.gormDB.Joins("IPLD").First(&txCID, "tx_hash = ?", txHash).Error
+	if err != nil {
+		log.Error("header cid retrieval error")
+		return txCID, err
+	}
+
+	return txCID, nil
+}

pkg/eth/ipld_fetcher.go

@@ -99,7 +99,7 @@ func (f *IPLDFetcher) Fetch(cids CIDWrapper) (*IPLDs, error) {
 	return iplds, err
 }
 
-// FetchHeaders fetches headers
+// FetchHeader fetches header
 func (f *IPLDFetcher) FetchHeader(tx *sqlx.Tx, c models.HeaderModel) (models.IPLDModel, error) {
 	log.Debug("fetching header ipld")
 	headerBytes, err := shared.FetchIPLDByMhKey(tx, c.MhKey)

pkg/graphql/client.go

@@ -11,7 +11,7 @@ import (
 )
 
 type StorageResponse struct {
-	Cid       string        `json:"cid"`
+	CID       string        `json:"cid"`
 	Value     common.Hash   `json:"value"`
 	IpldBlock hexutil.Bytes `json:"ipldBlock"`
 }
@@ -23,12 +23,12 @@ type GetStorageAt struct {
 type LogResponse struct {
 	Topics      []common.Hash       `json:"topics"`
 	Data        hexutil.Bytes       `json:"data"`
-	Transaction TransactionResp `json:"transaction"`
+	Transaction TransactionResponse `json:"transaction"`
 	ReceiptCID  string              `json:"receiptCID"`
 	Status      int32               `json:"status"`
 }
 
-type TransactionResp struct {
+type TransactionResponse struct {
 	Hash common.Hash `json:"hash"`
 }
 
@@ -36,6 +36,52 @@ type GetLogs struct {
 	Responses []LogResponse `json:"getLogs"`
 }
 
+type IPFSBlockResponse struct {
+	Key  string `json:"key"`
+	Data string `json:"data"`
+}
+
+type EthTransactionCIDResponse struct {
+	CID          string            `json:"cid"`
+	TxHash       string            `json:"txHash"`
+	Index        int32             `json:"index"`
+	Src          string            `json:"src"`
+	Dst          string            `json:"dst"`
+	BlockByMhKey IPFSBlockResponse `json:"blockByMhKey"`
+}
+
+type EthTransactionCIDByTxHash struct {
+	Response EthTransactionCIDResponse `json:"ethTransactionCidByTxHash"`
+}
+
+type EthTransactionCIDsByHeaderIdResponse struct {
+	Nodes []EthTransactionCIDResponse `json:"nodes"`
+}
+
+type EthHeaderCIDResponse struct {
+	CID                          string                               `json:"cid"`
+	BlockNumber                  BigInt                               `json:"blockNumber"`
+	BlockHash                    string                               `json:"blockHash"`
+	ParentHash                   string                               `json:"parentHash"`
+	Timestamp                    BigInt                               `json:"timestamp"`
+	StateRoot                    string                               `json:"stateRoot"`
+	Td                           BigInt                               `json:"td"`
+	TxRoot                       string                               `json:"txRoot"`
+	ReceiptRoot                  string                               `json:"receiptRoot"`
+	UncleRoot                    string                               `json:"uncleRoot"`
+	Bloom                        string                               `json:"bloom"`
+	EthTransactionCIDsByHeaderId EthTransactionCIDsByHeaderIdResponse `json:"ethTransactionCidsByHeaderId"`
+	BlockByMhKey                 IPFSBlockResponse                    `json:"blockByMhKey"`
+}
+
+type AllEthHeaderCIDsResponse struct {
+	Nodes []EthHeaderCIDResponse `json:"nodes"`
+}
+
+type AllEthHeaderCIDs struct {
+	Response AllEthHeaderCIDsResponse `json:"allEthHeaderCids"`
+}
+
 type Client struct {
 	client *gqlclient.Client
 }
@@ -117,3 +163,105 @@ func (c *Client) GetStorageAt(ctx context.Context, hash common.Hash, address com
 	}
 	return &storageAt.Response, nil
 }
+
+func (c *Client) AllEthHeaderCIDs(ctx context.Context, condition EthHeaderCIDCondition) (*AllEthHeaderCIDsResponse, error) {
+	var params string
+	if condition.BlockHash != nil {
+		params = fmt.Sprintf(`blockHash: "%s"`, *condition.BlockHash)
+	}
+	if condition.BlockNumber != nil {
+		params += fmt.Sprintf(`blockNumber: "%s"`, condition.BlockNumber.String())
+	}
+
+	getHeadersQuery := fmt.Sprintf(`
+		query{
+			allEthHeaderCids(condition: { %s }) {
+				nodes {
+					cid
+					blockNumber
+					blockHash
+					parentHash
+					timestamp
+					stateRoot
+					td
+					txRoot
+					receiptRoot
+					uncleRoot
+					bloom
+					blockByMhKey {
+						key
+						data
+					}
+					ethTransactionCidsByHeaderId {
+						nodes {
+							cid
+							txHash
+							index
+							src
+							dst
+						}
+					}
+				}
+			}
+		}
+	`, params)
+
+	req := gqlclient.NewRequest(getHeadersQuery)
+	req.Header.Set("Cache-Control", "no-cache")
+
+	var respData map[string]interface{}
+	err := c.client.Run(ctx, req, &respData)
+	if err != nil {
+		return nil, err
+	}
+
+	jsonStr, err := json.Marshal(respData)
+	if err != nil {
+		return nil, err
+	}
+
+	var allEthHeaderCIDs AllEthHeaderCIDs
+	err = json.Unmarshal(jsonStr, &allEthHeaderCIDs)
+	if err != nil {
+		return nil, err
+	}
+	return &allEthHeaderCIDs.Response, nil
+}
+
+func (c *Client) EthTransactionCIDByTxHash(ctx context.Context, txHash string) (*EthTransactionCIDResponse, error) {
+	getTxQuery := fmt.Sprintf(`
+		query{
+			ethTransactionCidByTxHash(txHash: "%s") {
+				cid
+				txHash
+				index
+				src
+				dst
+				blockByMhKey {
+					data
+				}
+			}
+		}
+	`, txHash)
+
+	req := gqlclient.NewRequest(getTxQuery)
+	req.Header.Set("Cache-Control", "no-cache")
+
+	var respData map[string]interface{}
+	err := c.client.Run(ctx, req, &respData)
+	if err != nil {
+		return nil, err
+	}
+
+	jsonStr, err := json.Marshal(respData)
+	if err != nil {
+		return nil, err
+	}
+
+	var ethTxCID EthTransactionCIDByTxHash
+	err = json.Unmarshal(jsonStr, &ethTxCID)
+	if err != nil {
+		return nil, err
+	}
+	return &ethTxCID.Response, nil
+}

pkg/graphql/graphql.go

@@ -22,6 +22,7 @@ import (
 	"context"
 	"database/sql"
 	"errors"
+	"fmt"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -34,6 +35,7 @@ import (
 	"github.com/ethereum/go-ethereum/rpc"
 
 	"github.com/vulcanize/ipld-eth-server/v3/pkg/eth"
+	"github.com/vulcanize/ipld-eth-server/v3/pkg/shared"
 )
 
 var (
@@ -1017,7 +1019,7 @@ func (r *Resolver) GetStorageAt(ctx context.Context, args struct {
 		return nil, err
 	}
 
-	if bytes.Compare(rlpValue, eth.EmptyNodeValue) == 0 {
+	if bytes.Equal(rlpValue, eth.EmptyNodeValue) {
 		return &StorageResult{value: eth.EmptyNodeValue, cid: cid, ipldBlock: ipldBlock}, nil
 	}
 
@@ -1122,3 +1124,244 @@ func decomposeGQLLogs(logCIDs []eth.LogResult) []logsCID {
 
 	return logs
 }
+
+type EthTransactionCID struct {
+	cid       string
+	txHash    string
+	index     int32
+	src       string
+	dst       string
+	ipfsBlock IPFSBlock
+}
+
+func (t EthTransactionCID) Cid(ctx context.Context) string {
+	return t.cid
+}
+
+func (t EthTransactionCID) TxHash(ctx context.Context) string {
+	return t.txHash
+}
+
+func (t EthTransactionCID) Index(ctx context.Context) int32 {
+	return t.index
+}
+
+func (t EthTransactionCID) Src(ctx context.Context) string {
+	return t.src
+}
+
+func (t EthTransactionCID) Dst(ctx context.Context) string {
+	return t.dst
+}
+
+func (t EthTransactionCID) BlockByMhKey(ctx context.Context) IPFSBlock {
+	return t.ipfsBlock
+}
+
+type EthTransactionCIDsConnection struct {
+	nodes []*EthTransactionCID
+}
+
+func (transactionCIDResult EthTransactionCIDsConnection) Nodes(ctx context.Context) []*EthTransactionCID {
+	return transactionCIDResult.nodes
+}
+
+type IPFSBlock struct {
+	key  string
+	data string
+}
+
+func (b IPFSBlock) Key(ctx context.Context) string {
+	return b.key
+}
+
+func (b IPFSBlock) Data(ctx context.Context) string {
+	return b.data
+}
+
+type EthHeaderCID struct {
+	cid          string
+	blockNumber  BigInt
+	blockHash    string
+	parentHash   string
+	timestamp    BigInt
+	stateRoot    string
+	td           BigInt
+	txRoot       string
+	receiptRoot  string
+	uncleRoot    string
+	bloom        string
+	transactions []*EthTransactionCID
+	ipfsBlock    IPFSBlock
+}
+
+func (h EthHeaderCID) Cid(ctx context.Context) string {
+	return h.cid
+}
+
+func (h EthHeaderCID) BlockNumber(ctx context.Context) BigInt {
+	return h.blockNumber
+}
+
+func (h EthHeaderCID) BlockHash(ctx context.Context) string {
+	return h.blockHash
+}
+
+func (h EthHeaderCID) ParentHash(ctx context.Context) string {
+	return h.parentHash
+}
+
+func (h EthHeaderCID) Timestamp(ctx context.Context) BigInt {
+	return h.timestamp
+}
+
+func (h EthHeaderCID) StateRoot(ctx context.Context) string {
+	return h.stateRoot
+}
+
+func (h EthHeaderCID) Td(ctx context.Context) BigInt {
+	return h.td
+}
+
+func (h EthHeaderCID) TxRoot(ctx context.Context) string {
+	return h.txRoot
+}
+
+func (h EthHeaderCID) ReceiptRoot(ctx context.Context) string {
+	return h.receiptRoot
+}
+
+func (h EthHeaderCID) UncleRoot(ctx context.Context) string {
+	return h.uncleRoot
+}
+
+func (h EthHeaderCID) Bloom(ctx context.Context) string {
+	return h.bloom
+}
+
+func (h EthHeaderCID) EthTransactionCidsByHeaderId(ctx context.Context) EthTransactionCIDsConnection {
+	return EthTransactionCIDsConnection{nodes: h.transactions}
+}
+
+func (h EthHeaderCID) BlockByMhKey(ctx context.Context) IPFSBlock {
+	return h.ipfsBlock
+}
+
+type EthHeaderCIDsConnection struct {
+	nodes []*EthHeaderCID
+}
+
+func (headerCIDResult EthHeaderCIDsConnection) Nodes(ctx context.Context) []*EthHeaderCID {
+	return headerCIDResult.nodes
+}
+
+type EthHeaderCIDCondition struct {
+	BlockNumber *BigInt
+	BlockHash   *string
+}
+
+func (r *Resolver) AllEthHeaderCids(ctx context.Context, args struct {
+	Condition *EthHeaderCIDCondition
+}) (*EthHeaderCIDsConnection, error) {
+	var headerCIDs []eth.HeaderCIDRecord
+	var err error
+	if args.Condition.BlockHash != nil {
+		headerCID, err := r.backend.Retriever.RetrieveHeaderAndTxCIDsByBlockHash(common.HexToHash(*args.Condition.BlockHash))
+		if err != nil {
+			return nil, err
+		}
+
+		headerCIDs = append(headerCIDs, headerCID)
+	} else if args.Condition.BlockNumber != nil {
+		headerCIDs, err = r.backend.Retriever.RetrieveHeaderAndTxCIDsByBlockNumber(args.Condition.BlockNumber.ToInt().Int64())
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		return nil, fmt.Errorf("provide block number or block hash")
+	}
+
+	// Begin tx
+	tx, err := r.backend.DB.Beginx()
+	if err != nil {
+		return nil, err
+	}
+	defer func() {
+		if p := recover(); p != nil {
+			shared.Rollback(tx)
+			panic(p)
+		} else if err != nil {
+			shared.Rollback(tx)
+		} else {
+			err = tx.Commit()
+		}
+	}()
+
+	var resultNodes []*EthHeaderCID
+	for _, headerCID := range headerCIDs {
+		var blockNumber BigInt
+		blockNumber.UnmarshalText([]byte(headerCID.BlockNumber))
+
+		var timestamp BigInt
+		timestamp.SetUint64(headerCID.Timestamp)
+
+		var td BigInt
+		td.UnmarshalText([]byte(headerCID.TotalDifficulty))
+
+		ethHeaderCIDNode := EthHeaderCID{
+			cid:         headerCID.CID,
+			blockNumber: blockNumber,
+			blockHash:   headerCID.BlockHash,
+			parentHash:  headerCID.ParentHash,
+			timestamp:   timestamp,
+			stateRoot:   headerCID.StateRoot,
+			td:          td,
+			txRoot:      headerCID.TxRoot,
+			receiptRoot: headerCID.RctRoot,
+			uncleRoot:   headerCID.UncleRoot,
+			bloom:       Bytes(headerCID.Bloom).String(),
+			ipfsBlock: IPFSBlock{
+				key:  headerCID.IPLD.Key,
+				data: Bytes(headerCID.IPLD.Data).String(),
+			},
+		}
+
+		for _, txCID := range headerCID.TransactionCIDs {
+			ethHeaderCIDNode.transactions = append(ethHeaderCIDNode.transactions, &EthTransactionCID{
+				cid:    txCID.CID,
+				txHash: txCID.TxHash,
+				index:  int32(txCID.Index),
+				src:    txCID.Src,
+				dst:    txCID.Dst,
+			})
+		}
+
+		resultNodes = append(resultNodes, &ethHeaderCIDNode)
+	}
+
+	return &EthHeaderCIDsConnection{
+		nodes: resultNodes,
+	}, nil
+}
+
+func (r *Resolver) EthTransactionCidByTxHash(ctx context.Context, args struct {
+	TxHash string
+}) (*EthTransactionCID, error) {
+	txCID, err := r.backend.Retriever.RetrieveTxCIDByHash(args.TxHash)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &EthTransactionCID{
+		cid:    txCID.CID,
+		txHash: txCID.TxHash,
+		index:  int32(txCID.Index),
+		src:    txCID.Src,
+		dst:    txCID.Dst,
+		ipfsBlock: IPFSBlock{
+			key:  txCID.IPLD.Key,
+			data: Bytes(txCID.IPLD.Data).String(),
+		},
+	}, nil
+}

pkg/graphql/graphql_test.go

@@ -20,6 +20,7 @@ import (
 	"context"
 	"fmt"
 	"math/big"
+	"strconv"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -180,7 +181,7 @@ var _ = Describe("GraphQL", func() {
 				{
 					Topics:      test_helpers.MockLog1.Topics,
 					Data:        hexutil.Bytes(test_helpers.MockLog1.Data),
-					Transaction: graphql.TransactionResp{Hash: test_helpers.MockTransactions[0].Hash()},
+					Transaction: graphql.TransactionResponse{Hash: test_helpers.MockTransactions[0].Hash()},
 					ReceiptCID:  test_helpers.Rct1CID.String(),
 					Status:      int32(test_helpers.MockReceipts[0].Status),
 				},
@@ -197,7 +198,7 @@ var _ = Describe("GraphQL", func() {
 				{
 					Topics:      test_helpers.MockLog6.Topics,
 					Data:        hexutil.Bytes(test_helpers.MockLog6.Data),
-					Transaction: graphql.TransactionResp{Hash: test_helpers.MockTransactions[3].Hash()},
+					Transaction: graphql.TransactionResponse{Hash: test_helpers.MockTransactions[3].Hash()},
 					ReceiptCID:  test_helpers.Rct4CID.String(),
 					Status:      int32(test_helpers.MockReceipts[3].Status),
 				},
@@ -250,4 +251,84 @@ var _ = Describe("GraphQL", func() {
 			Expect(storageRes.Value).To(Equal(common.Hash{}))
 		})
 	})
+
+	Describe("allEthHeaderCids", func() {
+		It("Retrieves header_cids that matches the provided blockNumber", func() {
+			allEthHeaderCIDsResp, err := client.AllEthHeaderCIDs(ctx, graphql.EthHeaderCIDCondition{BlockNumber: new(graphql.BigInt).SetUint64(2)})
+			Expect(err).ToNot(HaveOccurred())
+
+			headerCIDs, err := backend.Retriever.RetrieveHeaderAndTxCIDsByBlockNumber(2)
+			Expect(err).ToNot(HaveOccurred())
+
+			for idx, headerCID := range headerCIDs {
+				ethHeaderCID := allEthHeaderCIDsResp.Nodes[idx]
+
+				compareEthHeaderCID(ethHeaderCID, headerCID)
+			}
 		})
+
+		It("Retrieves header_cids that matches the provided blockHash", func() {
+			blockHash := blocks[1].Hash().String()
+			allEthHeaderCIDsResp, err := client.AllEthHeaderCIDs(ctx, graphql.EthHeaderCIDCondition{BlockHash: &blockHash})
+			Expect(err).ToNot(HaveOccurred())
+
+			headerCID, err := backend.Retriever.RetrieveHeaderAndTxCIDsByBlockHash(blocks[1].Hash())
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(len(allEthHeaderCIDsResp.Nodes)).To(Equal(1))
+			ethHeaderCID := allEthHeaderCIDsResp.Nodes[0]
+			compareEthHeaderCID(ethHeaderCID, headerCID)
+		})
+	})
+
+	Describe("ethTransactionCidByTxHash", func() {
+		It("Retrieves tx_cid that matches the provided txHash", func() {
+			txHash := blocks[2].Transactions()[0].Hash().String()
+			ethTransactionCIDResp, err := client.EthTransactionCIDByTxHash(ctx, txHash)
+			Expect(err).ToNot(HaveOccurred())
+
+			txCID, err := backend.Retriever.RetrieveTxCIDByHash(txHash)
+			Expect(err).ToNot(HaveOccurred())
+
+			compareEthTxCID(*ethTransactionCIDResp, txCID)
+
+			Expect(ethTransactionCIDResp.BlockByMhKey.Data).To(Equal(graphql.Bytes(txCID.IPLD.Data).String()))
+		})
+	})
+})
+
+func compareEthHeaderCID(ethHeaderCID graphql.EthHeaderCIDResponse, headerCID eth.HeaderCIDRecord) {
+	blockNumber, err := strconv.ParseInt(headerCID.BlockNumber, 10, 64)
+	Expect(err).ToNot(HaveOccurred())
+
+	td, err := strconv.ParseInt(headerCID.TotalDifficulty, 10, 64)
+	Expect(err).ToNot(HaveOccurred())
+
+	Expect(ethHeaderCID.CID).To(Equal(headerCID.CID))
+	Expect(ethHeaderCID.BlockNumber).To(Equal(*new(graphql.BigInt).SetUint64(uint64(blockNumber))))
+	Expect(ethHeaderCID.BlockHash).To(Equal(headerCID.BlockHash))
+	Expect(ethHeaderCID.ParentHash).To(Equal(headerCID.ParentHash))
+	Expect(ethHeaderCID.Timestamp).To(Equal(*new(graphql.BigInt).SetUint64(headerCID.Timestamp)))
+	Expect(ethHeaderCID.StateRoot).To(Equal(headerCID.StateRoot))
+	Expect(ethHeaderCID.Td).To(Equal(*new(graphql.BigInt).SetUint64(uint64(td))))
+	Expect(ethHeaderCID.TxRoot).To(Equal(headerCID.TxRoot))
+	Expect(ethHeaderCID.ReceiptRoot).To(Equal(headerCID.RctRoot))
+	Expect(ethHeaderCID.UncleRoot).To(Equal(headerCID.UncleRoot))
+	Expect(ethHeaderCID.Bloom).To(Equal(graphql.Bytes(headerCID.Bloom).String()))
+
+	for tIdx, txCID := range headerCID.TransactionCIDs {
+		ethTxCID := ethHeaderCID.EthTransactionCIDsByHeaderId.Nodes[tIdx]
+		compareEthTxCID(ethTxCID, txCID)
+	}
+
+	Expect(ethHeaderCID.BlockByMhKey.Data).To(Equal(graphql.Bytes(headerCID.IPLD.Data).String()))
+	Expect(ethHeaderCID.BlockByMhKey.Key).To(Equal(headerCID.IPLD.Key))
+}
+
+func compareEthTxCID(ethTxCID graphql.EthTransactionCIDResponse, txCID eth.TransactionCIDRecord) {
+	Expect(ethTxCID.CID).To(Equal(txCID.CID))
+	Expect(ethTxCID.TxHash).To(Equal(txCID.TxHash))
+	Expect(ethTxCID.Index).To(Equal(int32(txCID.Index)))
+	Expect(ethTxCID.Src).To(Equal(txCID.Src))
+	Expect(ethTxCID.Dst).To(Equal(txCID.Dst))
+}

pkg/graphql/schema.go

@@ -25,8 +25,7 @@ const schema string = `
     # An empty byte string is represented as '0x'. Byte strings must have an even number of hexadecimal nybbles.
     scalar Bytes
     # BigInt is a large integer. Input is accepted as either a JSON number or as a string.
-    # Strings may be either decimal or 0x-prefixed hexadecimal. Output values are all
+    # Input and output strings may be either decimal or 0x-prefixed hexadecimal depending upon the resolver implementation.
-    # 0x-prefixed hexadecimal.
     scalar BigInt
     # Long is a 64 bit unsigned integer.
     scalar Long
@@ -282,6 +281,49 @@ const schema string = `
         ipldBlock: Bytes!
     }
 
+    input EthHeaderCidCondition {
+        blockNumber: BigInt
+        blockHash: String
+    }
+
+    type EthTransactionCid {
+        cid: String!
+        txHash: String!
+        index: Int!
+        src: String!
+        dst: String!
+        blockByMhKey: IPFSBlock!
+    }
+
+    type EthTransactionCidsConnection {
+        nodes: [EthTransactionCid]!
+    }
+
+    type IPFSBlock {
+        key: String!
+        data: String!
+    }
+
+    type EthHeaderCid {
+        cid: String!
+        blockNumber: BigInt!
+        blockHash: String!
+        parentHash: String!
+        timestamp: BigInt!
+        stateRoot: String!
+        td: BigInt!
+        txRoot: String!
+        receiptRoot: String!
+        uncleRoot: String!
+        bloom: String!
+        ethTransactionCidsByHeaderId: EthTransactionCidsConnection!
+        blockByMhKey: IPFSBlock!
+    }
+
+    type EthHeaderCidsConnection {
+        nodes: [EthHeaderCid]!
+    }
+
     type Query {
         # Block fetches an Ethereum block by number or by hash. If neither is
         # supplied, the most recent known block is returned.
@@ -302,5 +344,11 @@ const schema string = `
 
         # Get contract logs by block hash and contract address.
         getLogs(blockHash: Bytes32!, contract: Address): [Log!]
+
+        # PostGraphile alternative to get headers with transactions using block number or block hash.
+        allEthHeaderCids(condition: EthHeaderCidCondition): EthHeaderCidsConnection
+
+        # PostGraphile alternative to get transactions using transaction hash.
+        ethTransactionCidByTxHash(txHash: String!): EthTransactionCid
     }
 `

pkg/graphql/types.go

@@ -0,0 +1,122 @@
+// VulcanizeDB
+// Copyright © 2022 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 graphql
+
+import (
+	"encoding/hex"
+	"fmt"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+// Bytes marshals as a JSON string with \x prefix.
+// The empty slice marshals as "\x".
+type Bytes []byte
+
+// MarshalText implements encoding.TextMarshaler
+func (b Bytes) MarshalText() ([]byte, error) {
+	result := make([]byte, len(b)*2+2)
+	copy(result, `\x`)
+	hex.Encode(result[2:], b)
+	return result, nil
+}
+
+// String returns the hex encoding of b.
+func (b Bytes) String() string {
+	return b.encode()
+}
+
+// Encode encodes b as a hex string with "\x" prefix.
+// This is to make the output to be the same as given by postgraphile.
+// graphql-go prepends another "\" to the output resulting in prefix "\\x".
+func (b Bytes) encode() string {
+	result := make([]byte, len(b)*2+2)
+	copy(result, `\x`)
+	hex.Encode(result[2:], b)
+	return string(result)
+}
+
+type BigInt big.Int
+
+// ToInt converts b to a big.Int.
+func (b *BigInt) ToInt() *big.Int {
+	return (*big.Int)(b)
+}
+
+// String returns value of b as a decimal string.
+func (b *BigInt) String() string {
+	return b.ToInt().String()
+}
+
+// SetUint64 sets b to x and returns x.
+func (b *BigInt) SetUint64(x uint64) *BigInt {
+	var val big.Int
+	val.SetUint64(x)
+	*b = (BigInt)(val)
+	return b
+}
+
+// MarshalText implements encoding.TextMarshaler
+func (b BigInt) MarshalText() ([]byte, error) {
+	return []byte(b.String()), nil
+}
+
+// UnmarshalText implements encoding.TextUnmarshaler
+func (b *BigInt) UnmarshalText(input []byte) error {
+	raw, err := checkNumberText(input)
+	if err != nil {
+		return err
+	}
+	if len(raw) > 64 {
+		return hexutil.ErrBig256Range
+	}
+
+	var val big.Int
+	val.SetString(string(input[:]), 10)
+	*b = (BigInt)(val)
+	return nil
+}
+
+// ImplementsGraphQLType returns true if BigInt implements the provided GraphQL type.
+func (b BigInt) ImplementsGraphQLType(name string) bool { return name == "BigInt" }
+
+// UnmarshalGraphQL unmarshals the provided GraphQL query data.
+func (b *BigInt) UnmarshalGraphQL(input interface{}) error {
+	var err error
+	switch input := input.(type) {
+	case string:
+		return b.UnmarshalText([]byte(input))
+	case int32:
+		var num big.Int
+		num.SetInt64(int64(input))
+		*b = BigInt(num)
+	default:
+		err = fmt.Errorf("unexpected type %T for BigInt", input)
+	}
+	return err
+}
+
+func checkNumberText(input []byte) (raw []byte, err error) {
+	if len(input) == 0 {
+		return nil, nil // empty strings are allowed
+	}
+	if len(input) > 1 && input[0] == '0' {
+		return nil, hexutil.ErrLeadingZero
+	}
+	return input, nil
+}