Use GORM to retrieve data from database

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
@@ -22,10 +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/thoas/go-funk v0.9.2
 	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 (
@@ -124,18 +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
@@ -244,7 +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
@@ -266,7 +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

@@ -26,7 +26,8 @@ import (
 	"github.com/jmoiron/sqlx"
 	"github.com/lib/pq"
 	log "github.com/sirupsen/logrus"
-	"github.com/thoas/go-funk"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
 
 	"github.com/vulcanize/ipld-eth-server/v3/pkg/shared"
 )
@@ -41,12 +42,69 @@ type Retriever interface {
 // CIDRetriever satisfies the CIDRetriever interface for ethereum
 type CIDRetriever struct {
 	db     *sqlx.DB
+	gormDB *gorm.DB
+}
+
+type IPLD struct {
+	models.IPLDModel
+}
+
+// TableName overrides the table name used by IPLD
+func (IPLD) TableName() string {
+	return "public.blocks"
+}
+
+type HeaderCid 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
+	TransactionCids []TransactionCid `gorm:"foreignKey:HeaderID;references:BlockHash"`
+	IPLD            IPLD             `gorm:"foreignKey:MhKey;references:Key"`
+}
+
+// TableName overrides the table name used by HeaderCid
+func (HeaderCid) TableName() string {
+	return "eth.header_cids"
+}
+
+type TransactionCid 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     IPLD `gorm:"foreignKey:MhKey;references:Key"`
+}
+
+// TableName overrides the table name used by TransactionCid
+func (TransactionCid) 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,
 	}
 }
 
@@ -594,29 +652,6 @@ func (ecr *CIDRetriever) RetrieveTxCIDsByHeaderID(tx *sqlx.Tx, headerID string)
 	return txCIDs, tx.Select(&txCIDs, pgStr, headerID)
 }
 
-// RetrieveTxCIDsByHeaderIDs retrieves all tx CIDs for the given headerIDs
-func (ecr *CIDRetriever) RetrieveTxCIDsByHeaderIDs(tx *sqlx.Tx, headerIDs []string) ([]models.TxModel, error) {
-	log.Debug("retrieving tx cids for headerIDs ", headerIDs)
-	pgStr := `SELECT header_id, index, tx_hash, cid, mh_key,
-			dst, src, tx_data, tx_type, value
-			FROM eth.transaction_cids
-			WHERE header_id in (?)
-			ORDER BY index`
-
-	var txCIDs []models.TxModel
-	if len(headerIDs) < 1 {
-		return txCIDs, nil
-	}
-
-	query, args, err := sqlx.In(pgStr, headerIDs)
-	if err != nil {
-		return txCIDs, err
-	}
-	query = tx.Rebind(query)
-
-	return txCIDs, tx.Select(&txCIDs, query, args...)
-}
-
 // RetrieveReceiptCIDsByTxIDs retrieves receipt CIDs by their associated tx IDs
 func (ecr *CIDRetriever) RetrieveReceiptCIDsByTxIDs(tx *sqlx.Tx, txHashes []string) ([]models.ReceiptModel, error) {
 	log.Debugf("retrieving receipt cids for tx hashes %v", txHashes)
@@ -631,134 +666,50 @@ func (ecr *CIDRetriever) RetrieveReceiptCIDsByTxIDs(tx *sqlx.Tx, txHashes []stri
 }
 
 // RetrieveHeaderAndTxCIDsByBlockNumber retrieves header CIDs and their associated tx CIDs by block number
-func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockNumber(blockNumber int64) ([]models.HeaderModel, [][]models.TxModel, error) {
+func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockNumber(blockNumber int64) ([]HeaderCid, error) {
 	log.Debug("retrieving header cids and tx cids for block number ", blockNumber)
 
-	// Begin new db tx
+	var headerCIDs []HeaderCid
-	tx, err := ecr.db.Beginx()
-	if err != nil {
-		return nil, 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 headerCIDs []models.HeaderModel
+	// https://github.com/go-gorm/gorm/issues/4083#issuecomment-778883283
-	headerCIDs, err = ecr.RetrieveHeaderCIDs(tx, blockNumber)
+	// Will use join for TransactionCids once preload for 1:N is supported.
+	err := ecr.gormDB.Preload("TransactionCids").Joins("IPLD").Find(&headerCIDs, "block_number = ?", blockNumber).Error
 	if err != nil {
 		log.Error("header cid retrieval error")
-		return nil, nil, err
+		return nil, err
 	}
 
-	var allTxCIDs [][]models.TxModel
+	return headerCIDs, nil
-	txHeaderIDs := funk.Map(
-		headerCIDs,
-		func(headerCID models.HeaderModel) string {
-			return headerCID.BlockHash
-		},
-	)
-	txCIDs, err := ecr.RetrieveTxCIDsByHeaderIDs(tx, txHeaderIDs.([]string))
-	if err != nil {
-		log.Error("tx cid retrieval error")
-		return nil, nil, err
-	}
-
-	txCIDsByHeaderID := funk.Reduce(
-		txCIDs,
-		func(acc map[string][]models.TxModel, txCID models.TxModel) map[string][]models.TxModel {
-			if _, ok := acc[txCID.HeaderID]; !ok {
-				acc[txCID.HeaderID] = []models.TxModel{}
-			}
-
-			txCIDs = append(acc[txCID.HeaderID], txCID)
-			acc[txCID.HeaderID] = txCIDs
-			return acc
-		},
-		make(map[string][]models.TxModel),
-	)
-
-	txCIDsByHeaderIDMap := txCIDsByHeaderID.(map[string][]models.TxModel)
-
-	for _, headerCID := range headerCIDs {
-		txCIDs := txCIDsByHeaderIDMap[headerCID.BlockHash]
-		allTxCIDs = append(allTxCIDs, txCIDs)
-	}
-
-	return headerCIDs, allTxCIDs, nil
 }
 
 // RetrieveHeaderAndTxCIDsByBlockHash retrieves header CID and their associated tx CIDs by block hash
-func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockHash(blockHash common.Hash) (models.HeaderModel, []models.TxModel, error) {
+func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockHash(blockHash common.Hash) (HeaderCid, error) {
 	log.Debug("retrieving header cid and tx cids for block hash ", blockHash.String())
 
-	// Begin new db tx
+	var headerCID HeaderCid
-	tx, err := ecr.db.Beginx()
-	if err != nil {
-		return models.HeaderModel{}, 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 headerCID models.HeaderModel
+	// https://github.com/go-gorm/gorm/issues/4083#issuecomment-778883283
-	headerCID, err = ecr.RetrieveHeaderCIDByHash(tx, blockHash)
+	// Will use join for TransactionCids once preload for 1:N is supported.
+	err := ecr.gormDB.Preload("TransactionCids").Joins("IPLD").First(&headerCID, "block_hash = ?", blockHash.String()).Error
 	if err != nil {
 		log.Error("header cid retrieval error")
-		return models.HeaderModel{}, nil, err
+		return headerCID, err
-	}
-	if err != nil {
-		return models.HeaderModel{}, nil, err
 	}
 
-	var txCIDs []models.TxModel
+	return headerCID, nil
-	txCIDs, err = ecr.RetrieveTxCIDsByHeaderID(tx, headerCID.BlockHash)
-	if err != nil {
-		log.Error("tx cid retrieval error")
-		return models.HeaderModel{}, nil, err
-	}
-
-	return headerCID, txCIDs, nil
 }
 
 // RetrieveTxCIDByHash returns the tx for the given tx hash
-func (ecr *CIDRetriever) RetrieveTxCIDByHash(txHash string) (models.TxModel, error) {
+func (ecr *CIDRetriever) RetrieveTxCIDByHash(txHash string) (TransactionCid, error) {
 	log.Debug("retrieving tx cid for tx hash ", txHash)
 
-	// Begin new db tx
+	var txCID TransactionCid
-	tx, err := ecr.db.Beginx()
-	if err != nil {
-		return models.TxModel{}, err
-	}
-	defer func() {
-		if p := recover(); p != nil {
-			shared.Rollback(tx)
-			panic(p)
-		} else if err != nil {
-			shared.Rollback(tx)
-		} else {
-			err = tx.Commit()
-		}
-	}()
 
-	pgStr := `SELECT header_id, index, tx_hash, cid, mh_key,
+	err := ecr.gormDB.Joins("IPLD").First(&txCID, "tx_hash = ?", txHash).Error
-		dst, src, tx_data, tx_type, value
+	if err != nil {
-		FROM eth.transaction_cids
+		log.Error("header cid retrieval error")
-		WHERE tx_hash = $1
+		return txCID, err
-		ORDER BY index`
+	}
-	var txCID models.TxModel
+
-	return txCID, tx.Get(&txCID, pgStr, txHash)
+	return txCID, nil
 }

pkg/eth/ipld_fetcher.go

@@ -25,7 +25,6 @@ import (
 	"github.com/ethereum/go-ethereum/statediff/indexer/models"
 	"github.com/jmoiron/sqlx"
 	log "github.com/sirupsen/logrus"
-	"github.com/thoas/go-funk"
 	"github.com/vulcanize/ipld-eth-server/v3/pkg/shared"
 )
 
@@ -113,40 +112,6 @@ func (f *IPLDFetcher) FetchHeader(tx *sqlx.Tx, c models.HeaderModel) (models.IPL
 	}, nil
 }
 
-// FetchHeaders fetches headers
-func (f *IPLDFetcher) FetchHeaders(tx *sqlx.Tx, cids []models.HeaderModel) ([]models.IPLDModel, error) {
-	log.Debug("fetching header iplds")
-	headerIPLDs := make([]models.IPLDModel, len(cids))
-
-	if len(cids) < 1 {
-		return headerIPLDs, nil
-	}
-
-	mhKeys := make([]string, len(cids))
-	for i, c := range cids {
-		var err error
-		mhKeys[i] = c.MhKey
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	fetchedIPLDs, err := shared.FetchIPLDsByMhKeys(tx, mhKeys)
-	if err != nil {
-		return nil, err
-	}
-
-	for i, c := range cids {
-		headerIPLD := funk.Find(fetchedIPLDs, func(ipld models.IPLDModel) bool {
-			return ipld.Key == c.MhKey
-		}).(models.IPLDModel)
-
-		headerIPLDs[i] = headerIPLD
-	}
-
-	return headerIPLDs, nil
-}
-
 // FetchUncles fetches uncles
 func (f *IPLDFetcher) FetchUncles(tx *sqlx.Tx, cids []models.UncleModel) ([]models.IPLDModel, error) {
 	log.Debug("fetching uncle iplds")

pkg/graphql/graphql.go

@@ -33,7 +33,6 @@ import (
 	"github.com/ethereum/go-ethereum/eth/filters"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
-	"github.com/ethereum/go-ethereum/statediff/indexer/models"
 
 	"github.com/vulcanize/ipld-eth-server/v3/pkg/eth"
 	"github.com/vulcanize/ipld-eth-server/v3/pkg/shared"
@@ -1264,19 +1263,17 @@ type EthHeaderCidCondition struct {
 func (r *Resolver) AllEthHeaderCids(ctx context.Context, args struct {
 	Condition *EthHeaderCidCondition
 }) (*EthHeaderCidsConnection, error) {
-	var headerCIDs []models.HeaderModel
+	var headerCIDs []eth.HeaderCid
-	var allTxCIDs [][]models.TxModel
 	var err error
 	if args.Condition.BlockHash != nil {
-		headerCID, txCIDs, err := r.backend.Retriever.RetrieveHeaderAndTxCIDsByBlockHash(common.HexToHash(*args.Condition.BlockHash))
+		headerCID, err := r.backend.Retriever.RetrieveHeaderAndTxCIDsByBlockHash(common.HexToHash(*args.Condition.BlockHash))
 		if err != nil {
 			return nil, err
 		}
 
 		headerCIDs = append(headerCIDs, headerCID)
-		allTxCIDs = append(allTxCIDs, txCIDs)
 	} else if args.Condition.BlockNumber != nil {
-		headerCIDs, allTxCIDs, err = r.backend.Retriever.RetrieveHeaderAndTxCIDsByBlockNumber(args.Condition.BlockNumber.ToInt().Int64())
+		headerCIDs, err = r.backend.Retriever.RetrieveHeaderAndTxCIDsByBlockNumber(args.Condition.BlockNumber.ToInt().Int64())
 		if err != nil {
 			return nil, err
 		}
@@ -1300,13 +1297,8 @@ func (r *Resolver) AllEthHeaderCids(ctx context.Context, args struct {
 		}
 	}()
 
-	headerIPLDs, err := r.backend.Fetcher.FetchHeaders(tx, headerCIDs)
-	if err != nil {
-		return nil, err
-	}
-
 	var resultNodes []*EthHeaderCid
-	for idx, headerCID := range headerCIDs {
+	for _, headerCID := range headerCIDs {
 		var blockNumber BigInt
 		blockNumber.UnmarshalText([]byte(headerCID.BlockNumber))
 
@@ -1328,10 +1320,13 @@ func (r *Resolver) AllEthHeaderCids(ctx context.Context, args struct {
 			receiptRoot: headerCID.RctRoot,
 			uncleRoot:   headerCID.UncleRoot,
 			bloom:       Bytes(headerCID.Bloom).String(),
+			ipfsBlock: IPFSBlock{
+				key:  headerCID.IPLD.Key,
+				data: Bytes(headerCID.IPLD.Data).String(),
+			},
 		}
 
-		txCIDs := allTxCIDs[idx]
+		for _, txCID := range headerCID.TransactionCids {
-		for _, txCID := range txCIDs {
 			ethHeaderCidNode.transactions = append(ethHeaderCidNode.transactions, &EthTransactionCid{
 				cid:    txCID.CID,
 				txHash: txCID.TxHash,
@@ -1341,11 +1336,6 @@ func (r *Resolver) AllEthHeaderCids(ctx context.Context, args struct {
 			})
 		}
 
-		ethHeaderCidNode.ipfsBlock = IPFSBlock{
-			key:  headerIPLDs[idx].Key,
-			data: Bytes(headerIPLDs[idx].Data).String(),
-		}
-
 		resultNodes = append(resultNodes, &ethHeaderCidNode)
 	}
 
@@ -1363,27 +1353,6 @@ func (r *Resolver) EthTransactionCidByTxHash(ctx context.Context, args struct {
 		return nil, err
 	}
 
-	// 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()
-		}
-	}()
-
-	txIPLDs, err := r.backend.Fetcher.FetchTrxs(tx, []models.TxModel{txCID})
-	if err != nil {
-		return nil, err
-	}
-
 	return &EthTransactionCid{
 		cid:    txCID.CID,
 		txHash: txCID.TxHash,
@@ -1391,8 +1360,8 @@ func (r *Resolver) EthTransactionCidByTxHash(ctx context.Context, args struct {
 		src:    txCID.Src,
 		dst:    txCID.Dst,
 		ipfsBlock: IPFSBlock{
-			key:  txIPLDs[0].Key,
+			key:  txCID.IPLD.Key,
-			data: Bytes(txIPLDs[0].Data).String(),
+			data: Bytes(txCID.IPLD.Data).String(),
 		},
 	}, nil
 }

pkg/graphql/graphql_test.go

@@ -31,7 +31,6 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/ethereum/go-ethereum/statediff"
-	"github.com/ethereum/go-ethereum/statediff/indexer/models"
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 	"github.com/jmoiron/sqlx"
 	. "github.com/onsi/ginkgo"
@@ -258,30 +257,13 @@ var _ = Describe("GraphQL", func() {
 			allEthHeaderCidsResp, err := client.AllEthHeaderCids(ctx, graphql.EthHeaderCidCondition{BlockNumber: new(graphql.BigInt).SetUint64(2)})
 			Expect(err).ToNot(HaveOccurred())
 
-			headerCIDs, txCIDs, err := backend.Retriever.RetrieveHeaderAndTxCIDsByBlockNumber(2)
+			headerCIDs, err := backend.Retriever.RetrieveHeaderAndTxCIDsByBlockNumber(2)
-			Expect(err).ToNot(HaveOccurred())
-
-			// Begin tx
-			tx, err := backend.DB.Beginx()
-			Expect(err).ToNot(HaveOccurred())
-			defer func() {
-				if p := recover(); p != nil {
-					shared.Rollback(tx)
-					panic(p)
-				} else if err != nil {
-					shared.Rollback(tx)
-				} else {
-					err = tx.Commit()
-				}
-			}()
-
-			headerIPLDs, err := backend.Fetcher.FetchHeaders(tx, headerCIDs)
 			Expect(err).ToNot(HaveOccurred())
 
 			for idx, headerCID := range headerCIDs {
 				ethHeaderCid := allEthHeaderCidsResp.Nodes[idx]
 
-				compareEthHeaderCid(ethHeaderCid, headerCID, txCIDs[idx], headerIPLDs[idx])
+				compareEthHeaderCid(ethHeaderCid, headerCID)
 			}
 		})
 
@@ -290,30 +272,12 @@ var _ = Describe("GraphQL", func() {
 			allEthHeaderCidsResp, err := client.AllEthHeaderCids(ctx, graphql.EthHeaderCidCondition{BlockHash: &blockHash})
 			Expect(err).ToNot(HaveOccurred())
 
-			headerCID, txCIDs, err := backend.Retriever.RetrieveHeaderAndTxCIDsByBlockHash(blocks[1].Hash())
+			headerCID, err := backend.Retriever.RetrieveHeaderAndTxCIDsByBlockHash(blocks[1].Hash())
 			Expect(err).ToNot(HaveOccurred())
 
-			// Begin tx
-			tx, err := backend.DB.Beginx()
-			Expect(err).ToNot(HaveOccurred())
-			defer func() {
-				if p := recover(); p != nil {
-					shared.Rollback(tx)
-					panic(p)
-				} else if err != nil {
-					shared.Rollback(tx)
-				} else {
-					err = tx.Commit()
-				}
-			}()
-
-			headerIPLDs, err := backend.Fetcher.FetchHeaders(tx, []models.HeaderModel{headerCID})
-			Expect(err).ToNot(HaveOccurred())
-			Expect(len(allEthHeaderCidsResp.Nodes)).To(Equal(1))
-
 			Expect(len(allEthHeaderCidsResp.Nodes)).To(Equal(1))
 			ethHeaderCid := allEthHeaderCidsResp.Nodes[0]
-			compareEthHeaderCid(ethHeaderCid, headerCID, txCIDs, headerIPLDs[0])
+			compareEthHeaderCid(ethHeaderCid, headerCID)
 		})
 	})
 
@@ -328,29 +292,12 @@ var _ = Describe("GraphQL", func() {
 
 			compareEthTxCid(*ethTransactionCidResp, txCID)
 
-			// Begin tx
+			Expect(ethTransactionCidResp.BlockByMhKey.Data).To(Equal(graphql.Bytes(txCID.IPLD.Data).String()))
-			tx, err := backend.DB.Beginx()
-			Expect(err).ToNot(HaveOccurred())
-			defer func() {
-				if p := recover(); p != nil {
-					shared.Rollback(tx)
-					panic(p)
-				} else if err != nil {
-					shared.Rollback(tx)
-				} else {
-					err = tx.Commit()
-				}
-			}()
-
-			txIPLDs, err := backend.Fetcher.FetchTrxs(tx, []models.TxModel{txCID})
-			Expect(err).ToNot(HaveOccurred())
-			Expect(len(txIPLDs)).To(Equal(1))
-			Expect(ethTransactionCidResp.BlockByMhKey.Data).To(Equal(graphql.Bytes(txIPLDs[0].Data).String()))
 		})
 	})
 })
 
-func compareEthHeaderCid(ethHeaderCid graphql.EthHeaderCidResp, headerCID models.HeaderModel, txCIDs []models.TxModel, headerIPLD models.IPLDModel) {
+func compareEthHeaderCid(ethHeaderCid graphql.EthHeaderCidResp, headerCID eth.HeaderCid) {
 	blockNumber, err := strconv.ParseInt(headerCID.BlockNumber, 10, 64)
 	Expect(err).ToNot(HaveOccurred())
 
@@ -369,16 +316,16 @@ func compareEthHeaderCid(ethHeaderCid graphql.EthHeaderCidResp, headerCID models
 	Expect(ethHeaderCid.UncleRoot).To(Equal(headerCID.UncleRoot))
 	Expect(ethHeaderCid.Bloom).To(Equal(graphql.Bytes(headerCID.Bloom).String()))
 
-	for tIdx, txCID := range txCIDs {
+	for tIdx, txCID := range headerCID.TransactionCids {
 		ethTxCid := ethHeaderCid.EthTransactionCidsByHeaderId.Nodes[tIdx]
 		compareEthTxCid(ethTxCid, txCID)
 	}
 
-	Expect(ethHeaderCid.BlockByMhKey.Data).To(Equal(graphql.Bytes(headerIPLD.Data).String()))
+	Expect(ethHeaderCid.BlockByMhKey.Data).To(Equal(graphql.Bytes(headerCID.IPLD.Data).String()))
-	Expect(ethHeaderCid.BlockByMhKey.Key).To(Equal(headerIPLD.Key))
+	Expect(ethHeaderCid.BlockByMhKey.Key).To(Equal(headerCID.IPLD.Key))
 }
 
-func compareEthTxCid(ethTxCid graphql.EthTransactionCidResp, txCID models.TxModel) {
+func compareEthTxCid(ethTxCid graphql.EthTransactionCidResp, txCID eth.TransactionCid) {
 	Expect(ethTxCid.Cid).To(Equal(txCID.CID))
 	Expect(ethTxCid.TxHash).To(Equal(txCID.TxHash))
 	Expect(ethTxCid.Index).To(Equal(int32(txCID.Index)))

pkg/shared/functions.go

@@ -19,7 +19,6 @@ package shared
 import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/statediff/indexer/ipld"
-	"github.com/ethereum/go-ethereum/statediff/indexer/models"
 	"github.com/ipfs/go-cid"
 	blockstore "github.com/ipfs/go-ipfs-blockstore"
 	dshelp "github.com/ipfs/go-ipfs-ds-help"
@@ -78,19 +77,6 @@ func FetchIPLDByMhKey(tx *sqlx.Tx, mhKey string) ([]byte, error) {
 	return block, tx.Get(&block, pgStr, mhKey)
 }
 
-// FetchIPLDByMhKeysAndBlockNumbers is used to retrieve iplds from Postgres blockstore with the provided tx, mhkey strings and blockNumbers
-func FetchIPLDsByMhKeys(tx *sqlx.Tx, mhKeys []string) ([]models.IPLDModel, error) {
-	var blocks []models.IPLDModel
-	pgStr := `SELECT key, data FROM public.blocks WHERE key IN (?)`
-	query, args, err := sqlx.In(pgStr, mhKeys)
-	if err != nil {
-		return blocks, err
-	}
-	query = tx.Rebind(query)
-
-	return blocks, tx.Select(&blocks, query, args...)
-}
-
 // MultihashKeyFromCID converts a cid into a blockstore-prefixed multihash db key string
 func MultihashKeyFromCID(c cid.Cid) string {
 	dbKey := dshelp.MultihashToDsKey(c.Hash())