From 39632084b033bccc3aba716c9a37f7155477097d Mon Sep 17 00:00:00 2001
From: David <david@taiko.xyz>
Date: Mon, 11 Mar 2024 13:53:24 +0800
Subject: [PATCH] feat(prover): remove more database related code (#623)

---
 cmd/flags/prover.go   | 15 ---------------
 prover/config.go      |  4 ----
 prover/config_test.go |  8 +-------
 prover/prover_test.go |  1 -
 4 files changed, 1 insertion(+), 27 deletions(-)

diff --git a/cmd/flags/prover.go b/cmd/flags/prover.go
index 7c43aef3c..2df28ed24 100644
--- a/cmd/flags/prover.go
+++ b/cmd/flags/prover.go
@@ -145,19 +145,6 @@ var (
 		Value:    0,
 		Category: proverCategory,
 	}
-	// DB file location
-	// Required for guardian prover only
-	DatabasePath = &cli.StringFlag{
-		Name:     "db.path",
-		Usage:    "Database file location",
-		Category: proverCategory,
-	}
-	DatabaseCacheSize = &cli.Uint64Flag{
-		Name:     "db.cacheSize",
-		Usage:    "Database cache size in megabytes",
-		Value:    16,
-		Category: proverCategory,
-	}
 	Allowance = &cli.StringFlag{
 		Name:     "prover.allowance",
 		Usage:    "Amount to approve AssignmentHook contract for TaikoToken usage",
@@ -216,8 +203,6 @@ var ProverFlags = MergeFlags(CommonFlags, []cli.Flag{
 	MaxProposedIn,
 	TaikoTokenAddress,
 	MaxAcceptableBlockSlippage,
-	DatabasePath,
-	DatabaseCacheSize,
 	ProverAssignmentHookAddress,
 	Allowance,
 	L1NodeVersion,
diff --git a/prover/config.go b/prover/config.go
index 469c2200c..6e76d2603 100644
--- a/prover/config.go
+++ b/prover/config.go
@@ -51,8 +51,6 @@ type Config struct {
 	MaxExpiry                               time.Duration
 	MaxProposedIn                           uint64
 	MaxBlockSlippage                        uint64
-	DatabasePath                            string
-	DatabaseCacheSize                       uint64
 	Allowance                               *big.Int
 	GuardianProverHealthCheckServerEndpoint *url.URL
 	RaikoHostEndpoint                       string
@@ -175,8 +173,6 @@ func NewConfigFromCliContext(c *cli.Context) (*Config, error) {
 		MaxExpiry:                               c.Duration(flags.MaxExpiry.Name),
 		MaxBlockSlippage:                        c.Uint64(flags.MaxAcceptableBlockSlippage.Name),
 		MaxProposedIn:                           c.Uint64(flags.MaxProposedIn.Name),
-		DatabasePath:                            c.String(flags.DatabasePath.Name),
-		DatabaseCacheSize:                       c.Uint64(flags.DatabaseCacheSize.Name),
 		Allowance:                               allowance,
 		L1NodeVersion:                           c.String(flags.L1NodeVersion.Name),
 		L2NodeVersion:                           c.String(flags.L2NodeVersion.Name),
diff --git a/prover/config_test.go b/prover/config_test.go
index 425bd17e3..95c29f189 100644
--- a/prover/config_test.go
+++ b/prover/config_test.go
@@ -16,9 +16,9 @@ var (
 	l1WsEndpoint     = os.Getenv("L1_NODE_WS_ENDPOINT")
 	l1HttpEndpoint   = os.Getenv("L1_NODE_HTTP_ENDPOINT")
 	l1BeaconEndpoint = os.Getenv("L1_NODE_HTTP_ENDPOINT")
-	l1NodeVersion    = "1.0.0"
 	l2WsEndpoint     = os.Getenv("L2_EXECUTION_ENGINE_WS_ENDPOINT")
 	l2HttpEndpoint   = os.Getenv("L2_EXECUTION_ENGINE_HTTP_ENDPOINT")
+	l1NodeVersion    = "1.0.0"
 	l2NodeVersion    = "0.1.0"
 	taikoL1          = os.Getenv("TAIKO_L1_ADDRESS")
 	taikoL2          = os.Getenv("TAIKO_L2_ADDRESS")
@@ -57,8 +57,6 @@ func (s *ProverTestSuite) TestNewConfigFromCliContextGuardianProver() {
 		s.Equal(c.L2NodeVersion, l2NodeVersion)
 		s.Nil(new(Prover).InitFromCli(context.Background(), ctx))
 		s.True(c.ProveUnassignedBlocks)
-		s.Equal("dbPath", c.DatabasePath)
-		s.Equal(uint64(128), c.DatabaseCacheSize)
 		s.Equal(uint64(100), c.MaxProposedIn)
 		s.Equal(os.Getenv("ASSIGNMENT_HOOK_ADDRESS"), c.AssignmentHookAddress.String())
 		s.Equal(allowance, c.Allowance.String())
@@ -89,8 +87,6 @@ func (s *ProverTestSuite) TestNewConfigFromCliContextGuardianProver() {
 		"--" + flags.ProveBlockMaxTxGasFeeCap.Name, "256",
 		"--" + flags.Graffiti.Name, "",
 		"--" + flags.ProveUnassignedBlocks.Name,
-		"--" + flags.DatabasePath.Name, "dbPath",
-		"--" + flags.DatabaseCacheSize.Name, "128",
 		"--" + flags.MaxProposedIn.Name, "100",
 		"--" + flags.Allowance.Name, allowance,
 		"--" + flags.L1NodeVersion.Name, l1NodeVersion,
@@ -130,8 +126,6 @@ func (s *ProverTestSuite) SetupApp() *cli.App {
 		&cli.Uint64Flag{Name: flags.MinOptimisticTierFee.Name},
 		&cli.Uint64Flag{Name: flags.MinSgxTierFee.Name},
 		&cli.Uint64Flag{Name: flags.ProveBlockTxGasLimit.Name},
-		&cli.StringFlag{Name: flags.DatabasePath.Name},
-		&cli.Uint64Flag{Name: flags.DatabaseCacheSize.Name},
 		&cli.Uint64Flag{Name: flags.MaxProposedIn.Name},
 		&cli.StringFlag{Name: flags.ProverAssignmentHookAddress.Name},
 		&cli.StringFlag{Name: flags.Allowance.Name},
diff --git a/prover/prover_test.go b/prover/prover_test.go
index e88953485..db76e6d73 100644
--- a/prover/prover_test.go
+++ b/prover/prover_test.go
@@ -471,7 +471,6 @@ func (s *ProverTestSuite) initProver(
 		MinSgxTierFee:         common.Big1,
 		HTTPServerPort:        uint64(port),
 		WaitReceiptTimeout:    12 * time.Second,
-		DatabasePath:          "",
 		Allowance:             new(big.Int).Exp(big.NewInt(1_000_000_100), new(big.Int).SetUint64(uint64(decimal)), nil),
 		RPCTimeout:            3 * time.Second,
 		BackOffRetryInterval:  3 * time.Second,