feat: migrate from postgresql to mysql (#14)

README.md

@@ -45,7 +45,7 @@ references
 
 ### Getting Started at opBNB testnet
 
-1. Prepare a PostgreSQL database
+1. Prepare a MySQL database
 
 ```
 docker-compose up -d

cmd/bot/run.go

@@ -17,7 +17,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/urfave/cli/v2"
-	"gorm.io/driver/postgres"
+	"gorm.io/driver/mysql"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 )
@@ -271,31 +271,16 @@ func getLogs(client *core.ClientExt, fromBlock *big.Int, toBlock *big.Int, contr
 
 // connect connects to the database
 func connect(log log.Logger, dbConfig config.DBConfig) (*gorm.DB, error) {
-	dsn := fmt.Sprintf("host=%s dbname=%s sslmode=disable", dbConfig.Host, dbConfig.Name)
-	if dbConfig.Port != 0 {
-		dsn += fmt.Sprintf(" port=%d", dbConfig.Port)
-	}
-	if dbConfig.User != "" {
-		dsn += fmt.Sprintf(" user=%s", dbConfig.User)
-	}
-	if dbConfig.Password != "" {
-		dsn += fmt.Sprintf(" password=%s", dbConfig.Password)
-	}
-
+	dsn := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8&parseTime=True&loc=Local", dbConfig.User, dbConfig.Password, dbConfig.Host, dbConfig.Port, dbConfig.Name)
 	gormConfig := gorm.Config{
 		Logger:                 core.NewGormLogger(log),
 		SkipDefaultTransaction: true,
-
-		// The postgres parameter counter for a given query is represented with uint16,
-		// resulting in a parameter limit of 65535. In order to avoid reaching this limit
-		// we'll utilize a batch size of 3k for inserts, well below the limit as long as
-		// the number of columns < 20.
-		CreateBatchSize: 3_000,
+		CreateBatchSize:        3_000,
 	}
 
 	retryStrategy := &retry.ExponentialStrategy{Min: 1000, Max: 20_000, MaxJitter: 250}
 	gorm_, err := retry.Do[*gorm.DB](context.Background(), 10, retryStrategy, func() (*gorm.DB, error) {
-		gorm_, err := gorm.Open(postgres.Open(dsn), &gormConfig)
+		gorm_, err := gorm.Open(mysql.Open(dsn), &gormConfig)
 		if err != nil {
 			return nil, fmt.Errorf("failed to connect to database: %w", err)
 		}

docker-compose.yml

@@ -1,21 +1,18 @@
 version: '3.8'
 
 services:
-  postgres:
-    image: postgres:latest
+  mysql:
+    image: mysql:latest
     environment:
-      - POSTGRES_USER=db_username
-      - POSTGRES_PASSWORD=db_password
-      - POSTGRES_DB=db_name
-      - PGDATA=/data/postgres
-      - POSTGRES_HOST_AUTH_METHOD=trust
-    healthcheck:
-      test: [ "CMD-SHELL", "pg_isready -q -U db_username -d db_name" ]
+      - MYSQL_ROOT_PASSWORD=db_password
+      - MYSQL_DATABASE=db_name
+      - MYSQL_USER=db_username
+      - MYSQL_PASSWORD=db_password
+    command: --default-authentication-plugin=mysql_native_password
     ports:
-      - "5434:5432"
+      - "3306:3306"
     volumes:
-      - postgres_data:/data/postgres
+      - mysql_data:/var/lib/mysql
 
 volumes:
-  postgres_data:
-
+  mysql_data:

go.mod

@@ -7,7 +7,8 @@ require (
 	github.com/ethereum-optimism/optimism v1.2.0
 	github.com/ethereum/go-ethereum v1.13.4
 	github.com/urfave/cli/v2 v2.25.7
-	gorm.io/driver/postgres v1.5.4
+	golang.org/x/crypto v0.14.0
+	gorm.io/driver/mysql v1.5.2
 	gorm.io/gorm v1.25.5
 )
 
@@ -34,6 +35,7 @@ require (
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/getsentry/sentry-go v0.18.0 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-sql-driver/mysql v1.7.0 // indirect
 	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/gofrs/flock v0.8.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
@@ -42,9 +44,6 @@ require (
 	github.com/google/uuid v1.3.1 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/holiman/uint256 v1.2.3 // indirect
-	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
-	github.com/jackc/pgx/v5 v5.4.3 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/klauspost/compress v1.16.7 // indirect
@@ -69,7 +68,6 @@ require (
 	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
-	golang.org/x/crypto v0.14.0 // indirect
 	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/sync v0.3.0 // indirect

go.sum

@@ -114,6 +114,8 @@ github.com/go-errors/errors v1.4.2/go.mod h1:sIVyrIiJhuEF+Pj9Ebtd6P/rEYROXFi3Bop
 github.com/go-martini/martini v0.0.0-20170121215854-22fa46961aab/go.mod h1:/P9AEU963A2AYjv4d1V5eVL1CQbEJq6aCNHDDjibzu8=
 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
+github.com/go-sql-driver/mysql v1.7.0 h1:ueSltNNllEqE3qcWBTD0iQd3IpL/6U+mJxLkazJ7YPc=
+github.com/go-sql-driver/mysql v1.7.0/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
 github.com/go-stack/stack v1.8.1 h1:ntEHSVwIt7PNXNpgPmVfMrNhLtgjlmnZha2kOpuRiDw=
 github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
@@ -193,12 +195,6 @@ github.com/iris-contrib/go.uuid v2.0.0+incompatible/go.mod h1:iz2lgM/1UnEf1kP0L/
 github.com/iris-contrib/jade v1.1.3/go.mod h1:H/geBymxJhShH5kecoiOCSssPX7QWYH7UaeZTSWddIk=
 github.com/iris-contrib/pongo2 v0.0.1/go.mod h1:Ssh+00+3GAZqSQb30AvBRNxBx7rf0GqwkjqxNd0u65g=
 github.com/iris-contrib/schema v0.0.1/go.mod h1:urYA3uvUNG1TIIjOSCzHr9/LmbQo8LrOcOqfqxa4hXw=
-github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
-github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
-github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a h1:bbPeKD0xmW/Y25WS6cokEszi5g+S0QxI/d45PkRi7Nk=
-github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
-github.com/jackc/pgx/v5 v5.4.3 h1:cxFyXhxlvAifxnkKKdlxv8XqUf59tDlYjnV5YYfsJJY=
-github.com/jackc/pgx/v5 v5.4.3/go.mod h1:Ig06C2Vu0t5qXC60W8sqIthScaEnFvojjj9dSljmHRA=
 github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
 github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
@@ -566,8 +562,9 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gorm.io/driver/postgres v1.5.4 h1:Iyrp9Meh3GmbSuyIAGyjkN+n9K+GHX9b9MqsTL4EJCo=
-gorm.io/driver/postgres v1.5.4/go.mod h1:Bgo89+h0CRcdA33Y6frlaHHVuTdOf87pmyzwW9C/BH0=
+gorm.io/driver/mysql v1.5.2 h1:QC2HRskSE75wBuOxe0+iCkyJZ+RqpudsQtqkp+IMuXs=
+gorm.io/driver/mysql v1.5.2/go.mod h1:pQLhh1Ut/WUAySdTHwBpBv6+JKcj+ua4ZFx1QQTBzb8=
+gorm.io/gorm v1.25.2-0.20230530020048-26663ab9bf55/go.mod h1:L4uxeKpfBml98NYqVqwAdmV1a2nBtAec/cf3fpucW/k=
 gorm.io/gorm v1.25.5 h1:zR9lOiiYf09VNh5Q1gphfyia1JpiClIWG9hQaxB/mls=
 gorm.io/gorm v1.25.5/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=