Testing, CI/CD and DB connections (#10)

* Update cobra to require `head` or `historic` when using `capture`.

* A very generic package for implementing PGX driver

I copied most of the code from the `statediff` service from within geth. The idea is that I can create formal DB packages, that can be utilized in other projects down the road.

* Put PGX and other future Postgres Drivers behind SQL package

This PR makes allows users to provide a config, along with a driver string. It will then provide the respective driver.

* Add DB Connection and Logging

* Utilize LogRus
* Create a DB connection using PGX.
* Create an internal boot package for starting the application.

* Code clean up + Beacon Chain Connection

This concludes all the code needed to connect to the DB and beacon node. We will no longer reference the lighthouse client because this application should work interchangeably with any beacon node.

I have also standardized logging.

* Last second clean ups

* Utilize Ginkgo toreplace `testing` library, and add CI/CD. (#9)

* Utilize Ginkgo and replace `testing` library.

* Add TOC to docs

* Add Docker specific files

* Remove -e

* Update on-pr-manual.yml

* Add depth

* Add repositories

* Remove $ from path

* Update path for make

* Setup Go and Ginkgo

* Use go mod download

* Use go install

* Update on-pr-manual.yml

* Use latest

* Remove install of GINKGO

* Add explicit gopath

* Explicitly specify the gopath

* Update on-pr-manual.yml

* Update on-pr-manual.yml

* Update on-pr-manual.yml

* Update on-pr-manual.yml

* Update on-pr-manual.yml

* Update on-pr-manual.yml

* Use which ginkgo

* Try with make now

* Final working Make

.github/workflows/on-pr-automated.yaml

@@ -0,0 +1,70 @@
+name: Test Application
+
+on:
+  pull_request:
+
+jobs:
+  build:
+    name: Run docker build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run docker build
+        run: make docker-build
+  test:
+    name: Run unit tests
+    runs-on: ubuntu-latest
+    env:
+      foundry-test-ref: feature/build-stack
+      ipld-eth-db-ref: main
+      GOPATH: /tmp/go
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+
+      - uses: actions/checkout@v2
+        with:
+          path: "./ipld-ethcl-indexer"
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.foundry-test-ref }}
+          path: "./foundry-test/"
+          repository: vulcanize/foundry-test
+          fetch-depth: 0
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.ipld-eth-db-ref }}
+          repository: vulcanize/ipld-eth-db
+          path: "./ipld-eth-db/"
+          fetch-depth: 0
+
+      - name: Create config file
+        run: |
+          echo vulcanize_ipld_eth_db=$GITHUB_WORKSPACE/ipld-eth-db/ > ./config.sh
+          echo vulcanize_ipld_ethcl_indexer=$GITHUB_WORKSPACE/ipld-ethcl-indexer >> ./config.sh
+          cat ./config.sh
+
+      - name: Run docker compose
+        run: |
+          docker-compose  \
+          -f "$GITHUB_WORKSPACE/foundry-test/docker/local/docker-compose-db.yml" \
+          -f "$GITHUB_WORKSPACE/foundry-test/docker/latest/docker-compose-lighthouse.yml" \
+          --env-file ./config.sh \
+          up -d --build
+
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ">=1.17.0"
+          check-latest: true
+
+      - name: Install packages
+        run: |
+          go install github.com/onsi/ginkgo/v2/ginkgo@latest
+          which ginkgo
+
+      - name: Run the tests using Make
+        run: |
+          cd ipld-ethcl-indexer
+          make test

.github/workflows/on-pr-manual.yml

@@ -23,33 +23,55 @@ jobs:
   test:
     name: Run unit tests
     runs-on: ubuntu-latest
+    env:
+      GOPATH: /tmp/go
     steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+
       - uses: actions/checkout@v2
+        with:
+          path: "./ipld-ethcl-indexer"
 
       - uses: actions/checkout@v3
         with:
           ref: ${{ github.event.inputs.foundry-test-ref }}
           path: "./foundry-test/"
-
+          repository: vulcanize/foundry-test
-      - uses: actions/checkout@v3
+          fetch-depth: 0
-        with:
-          ref: ${{ github.event.inputs.foundry-test-ref }}
-          path: "/tmp/foundry-test/"
 
       - uses: actions/checkout@v3
         with:
           ref: ${{ github.event.inputs.ipld-eth-db-ref }}
-          path: "/tmp/ipld-eth-db-ref/"
+          repository: vulcanize/ipld-eth-db
+          path: "./ipld-eth-db/"
+          fetch-depth: 0
+
+      - name: Create config file
+        run: |
+          echo vulcanize_ipld_eth_db=$GITHUB_WORKSPACE/ipld-eth-db/ > ./config.sh
+          echo vulcanize_ipld_ethcl_indexer=$GITHUB_WORKSPACE/ipld-ethcl-indexer >> ./config.sh
+          cat ./config.sh
 
       - name: Run docker compose
         run: |
-          docker-compose -e vulcanize_ipld_ethcl_indexer="$(pwd)/ipld-ethcl/indexer" \
+          docker-compose  \
-          -e vulcanize_ipld_eth_db=/tmp/ipld-eth-db-ref/
+          -f "$GITHUB_WORKSPACE/foundry-test/docker/local/docker-compose-db.yml" \
-          -f "/tmp/foundry-test/docker/local/docker-compose-db.yml"
+          -f "$GITHUB_WORKSPACE/foundry-test/docker/latest/docker-compose-lighthouse.yml" \
-          -f "/tmp/foundry-test/docker/latest/docker-compose-lighthouse.yml"
+          --env-file ./config.sh \
-          -d up --build
+          up -d --build
 
-      - name: Wait and run tests
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ">=1.17.0"
+          check-latest: true
+
+      - name: Install packages
         run: |
-          sleep 20
+          go install github.com/onsi/ginkgo/v2/ginkgo@latest
+          which ginkgo
+
+      - name: Run the tests using Make
+        run: |
+          cd ipld-ethcl-indexer
           make test

.gitignore

@@ -0,0 +1,3 @@
+
+ipld-ethcl-indexer
+ipld-ethcl-indexer.log

Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.18-alpine as builder
+
+WORKDIR /go/src/github.com/vulcanize/ipld-ethcl-indexer
+RUN apk --no-cache add ca-certificates make git g++ linux-headers
+
+ENV GO111MODULE=on
+COPY go.mod .
+COPY go.sum .
+RUN go mod tidy; go mod download
+COPY . .
+
+RUN GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o ipld-ethcl-indexer .
+RUN chmod +x ipld-ethcl-indexer
+
+FROM frolvlad/alpine-bash:latest
+RUN apk --no-cache add ca-certificates
+WORKDIR /root/
+COPY --from=builder /go/src/github.com/vulcanize/ipld-ethcl-indexer/ipld-ethcl-indexer /root/ipld-ethcl-indexer
+ADD entrypoint.sh .
+ENTRYPOINT ["./entrypoint.sh"]

Makefile

@@ -0,0 +1,36 @@
+BIN = $(GOPATH)/bin
+BASE = $(GOPATH)/src/$(PACKAGE)
+PKGS = go list ./... | grep -v "^vendor/"
+
+# Tools
+## Testing library
+GINKGO = $(BIN)/ginkgo
+$(BIN)/ginkgo:
+	go install github.com/onsi/ginkgo/ginkgo
+
+
+.PHONY: installtools
+installtools: | $(GINKGO)
+	echo "Installing tools"
+
+.PHONY: test
+test:
+	go vet ./...
+	go fmt ./...
+	$(GINKGO) -r
+
+#.PHONY: integrationtest
+#integrationtest: | $(GINKGO) $(GOOSE)
+#	go vet ./...
+#	go fmt ./...
+#	$(GINKGO) -r test/ -v
+
+.PHONY: build
+build:
+	go fmt ./...
+	GO111MODULE=on go build
+
+## Build docker image
+.PHONY: docker-build
+docker-build:
+	docker build -t vulcanize/ipld-ethcl-indexer .

README.md

@@ -1,6 +1,62 @@
+- [ipld-ethcl-indexer](#ipld-ethcl-indexer)
+- [Running the Application](#running-the-application)
+- [Development Patterns](#development-patterns)
+  - [Logging](#logging)
+  - [Testing](#testing)
+- [Contribution](#contribution)
+  - [Branching Structure](#branching-structure)
+
+<small><i><a href='http://ecotrust-canada.github.io/markdown-toc/'>Table of contents generated with markdown-toc</a></i></small>
+
 # ipld-ethcl-indexer
 
-This application will capture all the `BeaconState`'s and `SignedBeaconBlock`'s from the consensus chain on Ethereum.
+This application will capture all the `BeaconState`'s and `SignedBeaconBlock`'s from the consensus chain on Ethereum. This application is going to connect to the lighthouse client, but hypothetically speaking, it should be interchangeable with any eth2 beacon node.
+
+To learn more about the applications individual components, please read the [application components](/application_component.md).
+
+# Running the Application
+
+To run the application, utilize the following command, and update the values as needed.
+
+```
+go run main.go capture head --db.address localhost \
+  --db.password password \
+  --db.port 8077 \
+  --db.username vdbm \
+  --db.name vulcanize_testing \
+  --db.driver PGX \
+  --bc.address localhost \
+  --bc.port 5052 \
+  --log.level info
+```
+
+# Development Patterns
+
+This section will cover some generic development patterns utilizes.
+
+## Logging
+
+For logging, please keep the following in mind:
+
+- Utilize logrus.
+- Use `log.Debug` to highlight that you are **about** to do something.
+- Use `log.Info-Fatal` when the thing you were about to do has been completed, along with the result.
+
+```
+log.Debug("Adding 1 + 2")
+a := 1 + 2
+log.Info("1 + 2 successfully Added, outcome is: ", a)
+```
+
+- `loghelper.LogError(err)` is a pretty wrapper to output errors.
+
+## Testing
+
+This project utilizes `ginkgo` for testing. A few notes on testing:
+
+- All tests within this code base will test **public methods only**.
+- All test packages are named `{base_package}_test`. This ensures we only test the public methods.
+- If there is a need to test a private method, please include why in the testing file.
 
 # Contribution
 
@@ -9,6 +65,7 @@ If you want to contribute please make sure you do the following:
 - Create a Github issue before starting your work.
 - Follow the branching structure.
 - Delete your branch once it has been merged.
+  - Do not delete the `develop` branch. We can add branch protection once we make the branch public.
 
 ## Branching Structure
 

application_component.md

@@ -0,0 +1,15 @@
+- [Overview](#overview)
+- [Components](#components)
+  - [Boot](#boot)
+
+<small><i><a href='http://ecotrust-canada.github.io/markdown-toc/'>Table of contents generated with markdown-toc</a></i></small>
+
+# Overview
+
+This document will go through various application components
+
+# Components
+
+## Boot
+
+The boot package in `internal` is utilized to start the application. Everything in the boot process must complete successfully for the application to start. If it does not, the application will not start.

cmd/capture.go

@@ -5,24 +5,17 @@ Copyright © 2022 NAME HERE <EMAIL ADDRESS>
 package cmd
 
 import (
-	"fmt"
-
 	"github.com/spf13/cobra"
 )
 
 // captureCmd represents the capture command
 var captureCmd = &cobra.Command{
 	Use:   "capture",
-	Short: "A brief description of your command",
+	Short: "Capture the SignedBeaconBlocks and BeaconStates from the Beacon Chain",
-	Long: `A longer description that spans multiple lines and likely contains examples
+	Long: `Capture SignedBeaconBlocks and BeaconStates from the Beacon Chain.
-and usage of using your command. For example:
+	These blocks and states will be captured in
-
+	Postgres. They require a beacon client to be connected. You can run this to
-Cobra is a CLI library for Go that empowers applications.
+	capture blocks and states at head or historic blocks.`,
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
-	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("capture called")
-	},
 }
 
 func init() {

cmd/head.go

@@ -5,26 +5,28 @@ Copyright © 2022 NAME HERE <EMAIL ADDRESS>
 package cmd
 
 import (
-	"fmt"
-
 	"github.com/spf13/cobra"
+	"github.com/vulcanize/ipld-ethcl-indexer/internal/boot"
+	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
 )
 
 // headCmd represents the head command
 var headCmd = &cobra.Command{
 	Use:   "head",
-	Short: "A brief description of your command",
+	Short: "Capture only the blocks and state at head.",
-	Long: `A longer description that spans multiple lines and likely contains examples
+	Long:  `Capture only the blocks and state at head.`,
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("head called")
+		startHeadTracking()
 	},
 }
 
+func startHeadTracking() {
+	_, err := boot.BootApplication(dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort)
+	if err != nil {
+		loghelper.LogError(err).Error("Unable to Start application")
+	}
+}
+
 func init() {
 	captureCmd.AddCommand(headCmd)
 

cmd/historic.go

@@ -13,13 +13,8 @@ import (
 // historicCmd represents the historic command
 var historicCmd = &cobra.Command{
 	Use:   "historic",
-	Short: "A brief description of your command",
+	Short: "Capture the historic blocks and states.",
-	Long: `A longer description that spans multiple lines and likely contains examples
+	Long:  `Capture the historic blocks and states.`,
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		fmt.Println("historic called")
 	},

cmd/root.go

@@ -6,28 +6,34 @@ package cmd
 
 import (
 	"fmt"
+	"io"
 	"os"
 
+	"github.com/sirupsen/logrus"
+	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
 
 var (
 	cfgFile    string
-	dbUserName string
+	dbUsername string
 	dbPassword string
+	dbName     string
 	dbAddress  string
-	dbPort     uint16
+	dbDriver   string
-	lhAddress  string
+	dbPort     int
-	lhPort     uint16
+	bcAddress  string
+	bcPort     int
 )
 
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
 	Use:   "ipld-ethcl-indexer",
-	Short: "This application will keep track of all BeaconState's and SginedBeaconBlock's on the Beacon Chain.",
+	Short: "This application will keep track of all BeaconState's and SignedBeaconBlock's on the Beacon Chain.",
-	Long: `This is an application that will capture the BeaconState's and SginedBeaconBlock's on the Beacon Chain.
+	Long: `This is an application that will capture the BeaconState's and SignedBeaconBlock's on the Beacon Chain.
 It can either do this will keeping track of head, or backfilling historic data.`,
+	PersistentPreRun: initFuncs,
 	// Uncomment the following line if your bare application
 	// has an action associated with it:
 	// Run: func(cmd *cobra.Command, args []string) {},
@@ -42,6 +48,60 @@ func Execute() {
 	}
 }
 
+// Prerun for Cobra
+func initFuncs(cmd *cobra.Command, args []string) {
+	logFormat()
+	logFile()
+	if err := logLevel(); err != nil {
+		log.WithField("err", err).Error("Could not set log level")
+	}
+}
+
+// Set the log level for the application
+func logLevel() error {
+	viper.BindEnv("log.level", "LOGRUS_LEVEL")
+	lvl, err := log.ParseLevel(viper.GetString("log.level"))
+	if err != nil {
+		return err
+	}
+	log.SetLevel(lvl)
+	if lvl > log.InfoLevel {
+		log.SetReportCaller(true)
+	}
+	log.Info("Log level set to ", lvl.String())
+	return nil
+}
+
+// Create a log file
+func logFile() {
+	viper.BindEnv("log.file", "LOGRUS_FILE")
+	logfile := viper.GetString("log.file")
+	if logfile != "" {
+		file, err := os.OpenFile(logfile,
+			os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+		if err == nil {
+			log.Infof("Directing output to %s", logfile)
+			mw := io.MultiWriter(os.Stdout, file)
+			logrus.SetOutput(mw)
+		} else {
+			log.SetOutput(os.Stdout)
+			log.Info("Failed to log to file, using default stdout")
+		}
+	} else {
+		log.SetOutput(os.Stdout)
+	}
+}
+
+// Format the logger
+func logFormat() {
+	logFormat := viper.GetString("log.format")
+
+	if logFormat == "json" {
+		log.SetFormatter(&log.JSONFormatter{})
+
+	}
+}
+
 func init() {
 	cobra.OnInitialize(initConfig)
 
@@ -51,35 +111,49 @@ func init() {
 
 	// Optional Flags
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.ipld-ethcl-indexer.yaml)")
+	rootCmd.PersistentFlags().String("log.level", log.InfoLevel.String(), "log level (trace, debug, info, warn, error, fatal, panic)")
+	rootCmd.PersistentFlags().String("log.file", "ipld-ethcl-indexer.log", "file path for logging")
+	rootCmd.PersistentFlags().String("log.format", "json", "json or text")
 
 	// Required Flags
 
 	//// DB Specific
-	rootCmd.PersistentFlags().StringVarP(&dbUserName, "db.username", "u", "", "Database username (required)")
+	rootCmd.PersistentFlags().StringVarP(&dbUsername, "db.username", "", "", "Database username (required)")
-	rootCmd.PersistentFlags().StringVarP(&dbPassword, "db.password", "p", "", "Database Password (required)")
+	rootCmd.PersistentFlags().StringVarP(&dbPassword, "db.password", "", "", "Database Password (required)")
-	rootCmd.PersistentFlags().StringVarP(&dbAddress, "db.address", "a", "", "Port to connect to DB(required)")
+	rootCmd.PersistentFlags().StringVarP(&dbAddress, "db.address", "", "", "Port to connect to DB(required)")
-	rootCmd.PersistentFlags().Uint16VarP(&dbPort, "db.port", "o", 0, "Port to connect to DB(required)")
+	rootCmd.PersistentFlags().StringVarP(&dbName, "db.name", "n", "", "Database name connect to DB(required)")
+	rootCmd.PersistentFlags().StringVarP(&dbDriver, "db.driver", "", "", "Database Driver to connect to DB(required)")
+	rootCmd.PersistentFlags().IntVarP(&dbPort, "db.port", "", 0, "Port to connect to DB(required)")
 	rootCmd.MarkPersistentFlagRequired("db.username")
 	rootCmd.MarkPersistentFlagRequired("db.password")
 	rootCmd.MarkPersistentFlagRequired("db.address")
 	rootCmd.MarkPersistentFlagRequired("db.port")
+	rootCmd.MarkPersistentFlagRequired("db.name")
+	rootCmd.MarkPersistentFlagRequired("db.driver")
 
-	//// Lighthouse Specific
+	//// Beacon Client Specific
-	rootCmd.PersistentFlags().StringVarP(&lhAddress, "lh.address", "l", "", "Address to connect to lighthouse node (required if username is set)")
+	rootCmd.PersistentFlags().StringVarP(&bcAddress, "bc.address", "l", "", "Address to connect to beacon node (required if username is set)")
-	rootCmd.PersistentFlags().Uint16VarP(&lhPort, "lh.port", "r", 0, "Port to connect to lighthouse node (required if username is set)")
+	rootCmd.PersistentFlags().IntVarP(&bcPort, "bc.port", "r", 0, "Port to connect to beacon node (required if username is set)")
-	rootCmd.MarkPersistentFlagRequired("lh.address")
+	rootCmd.MarkPersistentFlagRequired("bc.address")
-	rootCmd.MarkPersistentFlagRequired("lh.port")
+	rootCmd.MarkPersistentFlagRequired("bc.port")
 
 	// Bind Flags with Viper
+	// Optional
+	viper.BindPFlag("log.level", rootCmd.PersistentFlags().Lookup("log.level"))
+	viper.BindPFlag("log.file", rootCmd.PersistentFlags().Lookup("log.file"))
+	viper.BindPFlag("log.format", rootCmd.PersistentFlags().Lookup("log.format"))
+
 	//// DB Flags
 	viper.BindPFlag("db.username", rootCmd.PersistentFlags().Lookup("db.username"))
 	viper.BindPFlag("db.password", rootCmd.PersistentFlags().Lookup("db.password"))
 	viper.BindPFlag("db.address", rootCmd.PersistentFlags().Lookup("db.address"))
 	viper.BindPFlag("db.port", rootCmd.PersistentFlags().Lookup("db.port"))
+	viper.BindPFlag("db.name", rootCmd.PersistentFlags().Lookup("db.name"))
+	viper.BindPFlag("db.driver", rootCmd.PersistentFlags().Lookup("db.driver"))
 
 	// LH specific
-	viper.BindPFlag("lh.address", rootCmd.PersistentFlags().Lookup("lh.address"))
+	viper.BindPFlag("bc.address", rootCmd.PersistentFlags().Lookup("bc.address"))
-	viper.BindPFlag("lh.port", rootCmd.PersistentFlags().Lookup("lh.port"))
+	viper.BindPFlag("bc.port", rootCmd.PersistentFlags().Lookup("bc.port"))
 
 	// Cobra also supports local flags, which will only run
 	// when this action is called directly.

entrypoint.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+echo "Starting ipld-ethcl-indexer"
+
+echo /root/ipld-ethcl-indexer capture head --db.address $DB_ADDRESS \
+  --db.password $DB_PASSWORD \
+  --db.port $DB_PORT \
+  --db.username $DB_USER \
+  --db.name $DB_NAME \
+  --db.driver $DB_DRIVER \
+  --bc.address $BC_ADDRESS \
+  --bc.port $BC_PORT \
+  --log.level $LOG_LEVEL
+
+/root/ipld-ethcl-indexer capture head --db.address $DB_ADDRESS \
+  --db.password $DB_PASSWORD \
+  --db.port $DB_PORT \
+  --db.username $DB_USER \
+  --db.name $DB_NAME \
+  --db.driver $DB_DRIVER \
+  --bc.address $BC_ADDRESS \
+  --bc.port $BC_PORT \
+  --log.level $LOG_LEVEL
+
+rv=$?
+
+if [ $rv != 0 ]; then
+  echo "ipld-ethcl-indexer startup failed"
+  exit 1
+fi
+
+tail -f /dev/null

go.mod

@@ -2,22 +2,42 @@ module github.com/vulcanize/ipld-ethcl-indexer
 
 go 1.18
 
-require github.com/sirupsen/logrus v1.8.1
+require (
+	github.com/jackc/pgconn v1.11.0
+	github.com/onsi/ginkgo/v2 v2.1.3
+	github.com/onsi/gomega v1.19.0
+	github.com/sirupsen/logrus v1.8.1
+)
+
+require (
+	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
+	github.com/jackc/pgio v1.0.0 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.2.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
+	github.com/jackc/pgtype v1.10.0 // indirect
+	github.com/jackc/puddle v1.2.1 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
+	golang.org/x/net v0.0.0-20220412020605-290c469a71a5 // indirect
+)
 
 require (
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
+	github.com/georgysavva/scany v0.3.0
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jackc/pgx/v4 v4.15.0
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mitchellh/mapstructure v1.4.3 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.0-beta.8 // indirect
 	github.com/spf13/afero v1.8.2 // indirect
 	github.com/spf13/cast v1.4.1 // indirect
-	github.com/spf13/cobra v1.4.0 // indirect
+	github.com/spf13/cobra v1.4.0
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/spf13/viper v1.11.0 // indirect
+	github.com/spf13/viper v1.11.0
 	github.com/subosito/gotenv v1.2.0 // indirect
 	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
 	golang.org/x/text v0.3.7 // indirect

go.sum

@@ -38,6 +38,7 @@ cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3f
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
@@ -46,8 +47,16 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
+github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
+github.com/cockroachdb/cockroach-go/v2 v2.2.0 h1:/5znzg5n373N/3ESjHF5SMLxiW4RKB05Ql//KWfeTFs=
+github.com/cockroachdb/cockroach-go/v2 v2.2.0/go.mod h1:u3MiKYGupPPjkn3ozknpMUpxPaNLTFWAya419/zv6eI=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
@@ -55,11 +64,25 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
 github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/fsnotify/fsnotify v1.5.1 h1:mZcQUHVQUQWoPXXtuf9yuEXKudkV2sx1E06UadKWpgI=
 github.com/fsnotify/fsnotify v1.5.1/go.mod h1:T3375wBYaZdLLcVNkcVbzGHY7f1l/uK5T5Ai1i3InKU=
+github.com/georgysavva/scany v0.3.0 h1:MA1aEqPbnNuiek59gMpNPqQrXXroyFj5jCADlETdxiA=
+github.com/georgysavva/scany v0.3.0/go.mod h1:q8QyrfXjmBk9iJD00igd4lbkAKEXAH/zIYoZ0z/Wan4=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
+github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
+github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
+github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
+github.com/gofrs/flock v0.8.1 h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=
+github.com/gofrs/flock v0.8.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU=
+github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
+github.com/gofrs/uuid v4.0.0+incompatible h1:1SD/1F5pU8p29ybwgQSwpQk+mwdRrXCYuPhW6m+TnJw=
+github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -85,6 +108,9 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@@ -96,6 +122,7 @@ github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
 github.com/google/martian/v3 v3.1.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
@@ -109,6 +136,7 @@ github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hf
 github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20201218002935-b9804c9f04c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
@@ -118,31 +146,144 @@ github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
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@@ -217,6 +385,7 @@ golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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@@ -227,6 +396,7 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
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 golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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@@ -237,6 +407,7 @@ golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/
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@@ -246,6 +417,9 @@ golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwY
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@@ -266,20 +440,30 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -297,13 +481,17 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -311,6 +499,8 @@ golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3
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+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -323,14 +513,18 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20190425163242-31fd60d6bfdc/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -338,6 +532,7 @@ golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
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 golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
@@ -360,9 +555,12 @@ golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82u
 golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
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+golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
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+golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -455,17 +653,29 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
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+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
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+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
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+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
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internal/boot/boot.go

@@ -0,0 +1,92 @@
+package boot
+
+import (
+	"fmt"
+	"net/http"
+	"strconv"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql/postgres"
+	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+)
+
+var (
+	bcHealthEndpoint = "/eth/v1/node/health"
+)
+
+// This function will ensure that we can connect to the beacon client.
+// Keep in mind, the beacon client will allow you to connect to it but it might
+// Not allow you to make http requests. This is part of its built in logic, and you will have
+// to follow their provided guidelines. https://lighthouse-book.sigmaprime.io/api-bn.html#security
+func checkBeaconClient(bcAddress string, bcPort int) error {
+	log.Debug("Attempting to connect to the beacon client")
+	bcEndpoint := "http://" + bcAddress + ":" + strconv.Itoa(bcPort) + bcHealthEndpoint
+	resp, err := http.Get(bcEndpoint)
+	if err != nil {
+		loghelper.LogError(err).Error("Unable to get bc endpoint: ", bcEndpoint)
+		return err
+	}
+
+	if resp.StatusCode < 200 || resp.StatusCode > 299 {
+		log.Error("We recieved a non 2xx status code when checking the health of the beacon node.")
+		log.Error("Health Endpoint Status Code: ", resp.StatusCode)
+		return fmt.Errorf("beacon Node Provided a non 2xx status code, code provided: %d", resp.StatusCode)
+	}
+
+	log.Info("We can successfully reach the beacon client.")
+	return nil
+
+}
+
+// A simple wrapper to create a DB object to use.
+func SetupDb(dbHostname string, dbPort int, dbName string, dbUsername string, dbPassword string, driverName string) (*postgres.DB, error) {
+	log.Debug("Resolving Driver Type")
+	DbDriver, err := postgres.ResolveDriverType(driverName)
+	if err != nil {
+		log.WithFields(log.Fields{
+			"err":                  err,
+			"driver_name_provided": driverName,
+		}).Error("Can't resolve driver type")
+	}
+	log.Info("Using Driver:", DbDriver)
+
+	postgresConfig := postgres.Config{
+		Hostname:     dbHostname,
+		Port:         dbPort,
+		DatabaseName: dbName,
+		Username:     dbUsername,
+		Password:     dbPassword,
+		Driver:       DbDriver,
+	}
+	DB, err := postgres.NewPostgresDB(postgresConfig)
+
+	if err != nil {
+		loghelper.LogError(err).Error("Unable to connect to the DB")
+		return nil, err
+	}
+	return DB, err
+
+}
+
+// This function will perform some boot operations. If any steps fail, the application will fail to start.
+// Keep in mind that the DB connection can be lost later in the lifecycle of the application or
+// it might not be able to connect to the beacon client.
+//
+// 1. Make sure the Beacon client is up.
+//
+// 2. Connect to the database.
+//
+func BootApplication(dbHostname string, dbPort int, dbName string, dbUsername string, dbPassword string, driverName string, bcAddress string, bcPort int) (*postgres.DB, error) {
+	log.Debug("Checking beacon Client")
+	err := checkBeaconClient(bcAddress, bcPort)
+	if err != nil {
+		return nil, err
+	}
+
+	log.Debug("Setting up DB connection")
+	DB, err := SetupDb(dbHostname, dbPort, dbName, dbUsername, dbPassword, driverName)
+	if err != nil {
+		return nil, err
+	}
+	return DB, nil
+}

internal/boot/boot.md

@@ -0,0 +1,3 @@
+# Overview
+
+This small package will group all the functions needed to start the application. The functions listed here can be utilized regardless of whether the application is meant to track `head` or for `historic` processing.

pkg/database/sql/error.go

@@ -0,0 +1,22 @@
+package sql
+
+import (
+	"fmt"
+)
+
+const (
+	DbConnectionFailedMsg = "db connection failed"
+	SettingNodeFailedMsg  = "unable to set db node"
+)
+
+func ErrDBConnectionFailed(connectErr error) error {
+	return formatError(DbConnectionFailedMsg, connectErr.Error())
+}
+
+func ErrUnableToSetNode(setErr error) error {
+	return formatError(SettingNodeFailedMsg, setErr.Error())
+}
+
+func formatError(msg, err string) error {
+	return fmt.Errorf("%s: %s", msg, err)
+}

pkg/database/sql/interfaces.go

@@ -0,0 +1,54 @@
+package sql
+
+import (
+	"context"
+	"io"
+	"time"
+)
+
+// Database interfaces required by the sql indexer
+type Database interface {
+	Driver
+}
+
+// Driver interface has all the methods required by a driver implementation to support the sql indexer
+type Driver interface {
+	QueryRow(ctx context.Context, sql string, args ...interface{}) ScannableRow
+	Exec(ctx context.Context, sql string, args ...interface{}) (Result, error)
+	Select(ctx context.Context, dest interface{}, query string, args ...interface{}) error
+	Get(ctx context.Context, dest interface{}, query string, args ...interface{}) error
+	Begin(ctx context.Context) (Tx, error)
+	Stats() Stats
+	Context() context.Context
+	io.Closer
+}
+
+// Tx interface to accommodate different concrete SQL transaction types
+type Tx interface {
+	QueryRow(ctx context.Context, sql string, args ...interface{}) ScannableRow
+	Exec(ctx context.Context, sql string, args ...interface{}) (Result, error)
+	Commit(ctx context.Context) error
+	Rollback(ctx context.Context) error
+}
+
+// ScannableRow interface to accommodate different concrete row types
+type ScannableRow interface {
+	Scan(dest ...interface{}) error
+}
+
+// Result interface to accommodate different concrete result types
+type Result interface {
+	RowsAffected() (int64, error)
+}
+
+// Stats interface to accommodate different concrete sql stats types
+type Stats interface {
+	MaxOpen() int64
+	Open() int64
+	InUse() int64
+	Idle() int64
+	WaitCount() int64
+	WaitDuration() time.Duration
+	MaxIdleClosed() int64
+	MaxLifetimeClosed() int64
+}

pkg/database/sql/postgres/config.go

@@ -0,0 +1,72 @@
+package postgres
+
+import (
+	"fmt"
+	"strings"
+	"time"
+)
+
+// DriverType to explicitly type the kind of sql driver we are using
+type DriverType string
+
+const (
+	PGX     DriverType = "PGX"
+	SQLX    DriverType = "SQLX"
+	Unknown DriverType = "Unknown"
+)
+
+// DefaultConfig are default parameters for connecting to a Postgres sql
+var DefaultConfig = Config{
+	Hostname:     "localhost",
+	Port:         8077,
+	DatabaseName: "vulcanize_testing",
+	Username:     "vdbm",
+	Password:     "password",
+	Driver:       "PGX",
+}
+
+// ResolveDriverType resolves a DriverType from a provided string
+func ResolveDriverType(str string) (DriverType, error) {
+	switch strings.ToLower(str) {
+	case "pgx", "pgxpool":
+		return PGX, nil
+	case "sqlx":
+		return SQLX, nil
+	default:
+		return Unknown, fmt.Errorf("unrecognized driver type string: %s", str)
+	}
+}
+
+// Config holds params for a Postgres db
+type Config struct {
+	// conn string params
+	Hostname     string
+	Port         int
+	DatabaseName string
+	Username     string
+	Password     string
+
+	// conn settings
+	MaxConns        int
+	MaxIdle         int
+	MinConns        int
+	MaxConnIdleTime time.Duration
+	MaxConnLifetime time.Duration
+	ConnTimeout     time.Duration
+
+	// driver type
+	Driver DriverType
+}
+
+// DbConnectionString constructs and returns the connection string from the config
+func (c Config) DbConnectionString() string {
+	if len(c.Username) > 0 && len(c.Password) > 0 {
+		return fmt.Sprintf("postgresql://%s:%s@%s:%d/%s?sslmode=disable",
+			c.Username, c.Password, c.Hostname, c.Port, c.DatabaseName)
+	}
+	if len(c.Username) > 0 && len(c.Password) == 0 {
+		return fmt.Sprintf("postgresql://%s@%s:%d/%s?sslmode=disable",
+			c.Username, c.Hostname, c.Port, c.DatabaseName)
+	}
+	return fmt.Sprintf("postgresql://%s:%d/%s?sslmode=disable", c.Hostname, c.Port, c.DatabaseName)
+}

pkg/database/sql/postgres/database.go

@@ -0,0 +1,47 @@
+package postgres
+
+import (
+	"context"
+	"fmt"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
+)
+
+var _ sql.Database = &DB{}
+
+// NewPostgresDB returns a postgres.DB using the provided Config and driver type.
+func NewPostgresDB(c Config) (*DB, error) {
+	var driver *pgxDriver
+
+	driver, err := createDriver(c)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &DB{driver}, nil
+}
+
+// Create a driver based on the config
+func createDriver(c Config) (*pgxDriver, error) {
+	switch c.Driver {
+	case PGX:
+		log.Debug("Creating New Driver")
+		driver, err := newPGXDriver(context.Background(), c)
+		if err != nil {
+			return nil, fmt.Errorf("Error Creating Driver, err: %e", err)
+		}
+		log.Info("Successfully created a driver for PGX")
+		return driver, nil
+	default:
+		log.Error("Couldnt find a driver to create for: ", c.Driver)
+		return nil, fmt.Errorf("Can't find a driver to create")
+	}
+
+}
+
+// DB implements sql.Database using a configured driver and Postgres statement syntax
+type DB struct {
+	sql.Driver
+}

pkg/database/sql/postgres/pgx.go

@@ -0,0 +1,190 @@
+package postgres
+
+import (
+	"context"
+	"time"
+
+	"github.com/georgysavva/scany/pgxscan"
+	"github.com/jackc/pgconn"
+	"github.com/jackc/pgx/v4"
+	"github.com/jackc/pgx/v4/pgxpool"
+	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
+)
+
+// pgxDriver driver, implements sql.Driver
+type pgxDriver struct {
+	ctx  context.Context
+	pool *pgxpool.Pool
+}
+
+// newPGXDriver returns a new pgx driver.
+// It initializes the connection pool.
+func newPGXDriver(ctx context.Context, config Config) (*pgxDriver, error) {
+	pgConf, err := makeConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	dbPool, err := pgxpool.ConnectConfig(ctx, pgConf)
+	if err != nil {
+		return nil, sql.ErrDBConnectionFailed(err)
+	}
+	pg := &pgxDriver{ctx: ctx, pool: dbPool}
+	return pg, nil
+}
+
+// makeConfig creates a pgxpool.Config from the provided Config
+func makeConfig(config Config) (*pgxpool.Config, error) {
+	conf, err := pgxpool.ParseConfig("")
+	if err != nil {
+		return nil, err
+	}
+
+	//conf.ConnConfig.BuildStatementCache = nil
+	conf.ConnConfig.Config.Host = config.Hostname
+	conf.ConnConfig.Config.Port = uint16(config.Port)
+	conf.ConnConfig.Config.Database = config.DatabaseName
+	conf.ConnConfig.Config.User = config.Username
+	conf.ConnConfig.Config.Password = config.Password
+
+	if config.ConnTimeout != 0 {
+		conf.ConnConfig.Config.ConnectTimeout = config.ConnTimeout
+	}
+	if config.MaxConns != 0 {
+		conf.MaxConns = int32(config.MaxConns)
+	}
+	if config.MinConns != 0 {
+		conf.MinConns = int32(config.MinConns)
+	}
+	if config.MaxConnLifetime != 0 {
+		conf.MaxConnLifetime = config.MaxConnLifetime
+	}
+	if config.MaxConnIdleTime != 0 {
+		conf.MaxConnIdleTime = config.MaxConnIdleTime
+	}
+	return conf, nil
+}
+
+// QueryRow satisfies sql.Database
+func (pgx *pgxDriver) QueryRow(ctx context.Context, sql string, args ...interface{}) sql.ScannableRow {
+	return pgx.pool.QueryRow(ctx, sql, args...)
+}
+
+// Exec satisfies sql.Database
+func (pgx *pgxDriver) Exec(ctx context.Context, sql string, args ...interface{}) (sql.Result, error) {
+	res, err := pgx.pool.Exec(ctx, sql, args...)
+	return resultWrapper{ct: res}, err
+}
+
+// Select satisfies sql.Database
+func (pgx *pgxDriver) Select(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
+	return pgxscan.Select(ctx, pgx.pool, dest, query, args...)
+}
+
+// Get satisfies sql.Database
+func (pgx *pgxDriver) Get(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
+	return pgxscan.Get(ctx, pgx.pool, dest, query, args...)
+}
+
+// Begin satisfies sql.Database
+func (pgx *pgxDriver) Begin(ctx context.Context) (sql.Tx, error) {
+	tx, err := pgx.pool.Begin(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return pgxTxWrapper{tx: tx}, nil
+}
+
+func (pgx *pgxDriver) Stats() sql.Stats {
+	stats := pgx.pool.Stat()
+	return pgxStatsWrapper{stats: stats}
+}
+
+// Close satisfies sql.Database/io.Closer
+func (pgx *pgxDriver) Close() error {
+	pgx.pool.Close()
+	return nil
+}
+
+// Context satisfies sql.Database
+func (pgx *pgxDriver) Context() context.Context {
+	return pgx.ctx
+}
+
+type resultWrapper struct {
+	ct pgconn.CommandTag
+}
+
+// RowsAffected satisfies sql.Result
+func (r resultWrapper) RowsAffected() (int64, error) {
+	return r.ct.RowsAffected(), nil
+}
+
+type pgxStatsWrapper struct {
+	stats *pgxpool.Stat
+}
+
+// MaxOpen satisfies sql.Stats
+func (s pgxStatsWrapper) MaxOpen() int64 {
+	return int64(s.stats.MaxConns())
+}
+
+// Open satisfies sql.Stats
+func (s pgxStatsWrapper) Open() int64 {
+	return int64(s.stats.TotalConns())
+}
+
+// InUse satisfies sql.Stats
+func (s pgxStatsWrapper) InUse() int64 {
+	return int64(s.stats.AcquiredConns())
+}
+
+// Idle satisfies sql.Stats
+func (s pgxStatsWrapper) Idle() int64 {
+	return int64(s.stats.IdleConns())
+}
+
+// WaitCount satisfies sql.Stats
+func (s pgxStatsWrapper) WaitCount() int64 {
+	return s.stats.EmptyAcquireCount()
+}
+
+// WaitDuration satisfies sql.Stats
+func (s pgxStatsWrapper) WaitDuration() time.Duration {
+	return s.stats.AcquireDuration()
+}
+
+// MaxIdleClosed satisfies sql.Stats
+func (s pgxStatsWrapper) MaxIdleClosed() int64 {
+	// this stat isn't supported by pgxpool, but we don't want to panic
+	return 0
+}
+
+// MaxLifetimeClosed satisfies sql.Stats
+func (s pgxStatsWrapper) MaxLifetimeClosed() int64 {
+	return s.stats.CanceledAcquireCount()
+}
+
+type pgxTxWrapper struct {
+	tx pgx.Tx
+}
+
+// QueryRow satisfies sql.Tx
+func (t pgxTxWrapper) QueryRow(ctx context.Context, sql string, args ...interface{}) sql.ScannableRow {
+	return t.tx.QueryRow(ctx, sql, args...)
+}
+
+// Exec satisfies sql.Tx
+func (t pgxTxWrapper) Exec(ctx context.Context, sql string, args ...interface{}) (sql.Result, error) {
+	res, err := t.tx.Exec(ctx, sql, args...)
+	return resultWrapper{ct: res}, err
+}
+
+// Commit satisfies sql.Tx
+func (t pgxTxWrapper) Commit(ctx context.Context) error {
+	return t.tx.Commit(ctx)
+}
+
+// Rollback satisfies sql.Tx
+func (t pgxTxWrapper) Rollback(ctx context.Context) error {
+	return t.tx.Rollback(ctx)
+}

pkg/database/sql/postgres/pgx_test.go

@@ -0,0 +1,89 @@
+package postgres_test
+
+import (
+	"context"
+	"fmt"
+	"math/big"
+	"strings"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql/postgres"
+	"github.com/vulcanize/ipld-ethcl-indexer/pkg/testhelpers"
+)
+
+var _ = Describe("Pgx", func() {
+
+	var (
+		ctx context.Context
+	)
+
+	BeforeEach(func() {
+		ctx = context.Background()
+	})
+
+	Describe("Connecting to the DB", func() {
+		Context("But connection is unsucessful", func() {
+			It("throws error when can't connect to the database", func() {
+				_, err := postgres.NewPostgresDB(postgres.Config{
+					Driver: "PGX",
+				})
+				Expect(err).NotTo(BeNil())
+
+				present, err := doesContainsSubstring(err.Error(), sql.DbConnectionFailedMsg)
+				Expect(present).To(BeTrue())
+			})
+		})
+		Context("The connection is successful", func() {
+			It("Should create a DB object", func() {
+				db, err := postgres.NewPostgresDB(postgres.DefaultConfig)
+				defer db.Close()
+				Expect(err).To(BeNil())
+			})
+		})
+	})
+	Describe("Write to the DB", func() {
+		Context("Serialize big.Int to DB", func() {
+			It("Should serialize successfully", func() {
+				dbPool, err := postgres.NewPostgresDB(postgres.DefaultConfig)
+				Expect(err).To(BeNil())
+				defer dbPool.Close()
+
+				bi := new(big.Int)
+				bi.SetString("34940183920000000000", 10)
+				isEqual, err := testhelpers.IsEqual(bi.String(), "34940183920000000000")
+				Expect(isEqual).To(BeTrue())
+
+				defer dbPool.Exec(ctx, `DROP TABLE IF EXISTS example`)
+				_, err = dbPool.Exec(ctx, "CREATE TABLE example ( id INTEGER, data NUMERIC )")
+				Expect(err).To(BeNil())
+
+				sqlStatement := `
+			INSERT INTO example (id, data)
+			VALUES (1, cast($1 AS NUMERIC))`
+				_, err = dbPool.Exec(ctx, sqlStatement, bi.String())
+				Expect(err).To(BeNil())
+
+				var data string
+				err = dbPool.QueryRow(ctx, `SELECT cast(data AS TEXT) FROM example WHERE id = 1`).Scan(&data)
+				Expect(err).To(BeNil())
+
+				isEqual, err = testhelpers.IsEqual(data, bi.String())
+				Expect(isEqual).To(BeTrue())
+				actual := new(big.Int)
+				actual.SetString(data, 10)
+
+				isEqual, err = testhelpers.IsEqual(actual, bi)
+				Expect(isEqual).To(BeTrue())
+			})
+		})
+	})
+})
+
+func doesContainsSubstring(full string, sub string) (bool, error) {
+	if !strings.Contains(full, sub) {
+		return false, fmt.Errorf("Expected \"%v\" to contain substring \"%v\"\n", full, sub)
+	}
+	return true, nil
+}

pkg/database/sql/postgres/postgres_suite_test.go

@@ -0,0 +1,13 @@
+package postgres_test
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+func TestPostgres(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Postgres Suite")
+}

pkg/loghelper/log_error.go

@@ -0,0 +1,13 @@
+// A simple function to help with logging errors.
+package loghelper
+
+import (
+	log "github.com/sirupsen/logrus"
+)
+
+// A simple helper function that will help wrap the error message.
+func LogError(err error) *log.Entry {
+	return log.WithFields(log.Fields{
+		"err": err,
+	})
+}

pkg/testhelpers/test_helper.go

@@ -0,0 +1,24 @@
+package testhelpers
+
+import (
+	"fmt"
+	"reflect"
+)
+
+// ExpectEqual asserts the provided interfaces are deep equal
+func IsEqual(got interface{}, want interface{}) (bool, error) {
+	if !reflect.DeepEqual(got, want) {
+		return false, fmt.Errorf("Expected: %v\nActual: %v", want, got)
+	}
+	return true, nil
+}
+
+// ListContainsString used to check if a list of strings contains a particular string
+func ListContainsString(sss []string, s string) bool {
+	for _, str := range sss {
+		if s == str {
+			return true
+		}
+	}
+	return false
+}