Refactor duplicated service utilities.

op-batcher/batcher/batch_submitter.go

@@ -7,7 +7,6 @@ import (
 	"os"
 	"os/signal"
 	"syscall"
-	"time"
 
 	gethrpc "github.com/ethereum/go-ethereum/rpc"
 	"github.com/urfave/cli"
@@ -20,12 +19,6 @@ import (
 	oprpc "github.com/ethereum-optimism/optimism/op-service/rpc"
 )
 
-const (
-	// defaultDialTimeout is default duration the service will wait on
-	// startup to make a connection to either the L1 or L2 backends.
-	defaultDialTimeout = 5 * time.Second
-)
-
 // Main is the entrypoint into the Batch Submitter. This method returns a
 // closure that executes the service and blocks until the service exits. The use
 // of a closure allows the parameters bound to the top-level main package, e.g.

op-batcher/batcher/driver.go

@@ -13,6 +13,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-batcher/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/eth"
 	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
+	opclient "github.com/ethereum-optimism/optimism/op-service/client"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/types"
@@ -49,17 +50,17 @@ func NewBatchSubmitterFromCLIConfig(cfg CLIConfig, l log.Logger, m metrics.Metri
 
 	// Connect to L1 and L2 providers. Perform these last since they are the
 	// most expensive.
-	l1Client, err := dialEthClientWithTimeout(ctx, cfg.L1EthRpc)
+	l1Client, err := opclient.DialEthClientWithTimeout(ctx, cfg.L1EthRpc, opclient.DefaultDialTimeout)
 	if err != nil {
 		return nil, err
 	}
 
-	l2Client, err := dialEthClientWithTimeout(ctx, cfg.L2EthRpc)
+	l2Client, err := opclient.DialEthClientWithTimeout(ctx, cfg.L2EthRpc, opclient.DefaultDialTimeout)
 	if err != nil {
 		return nil, err
 	}
 
-	rollupClient, err := dialRollupClientWithTimeout(ctx, cfg.RollupRpc)
+	rollupClient, err := opclient.DialRollupClientWithTimeout(ctx, cfg.RollupRpc, opclient.DefaultDialTimeout)
 	if err != nil {
 		return nil, err
 	}

op-challenger/challenger/challenger.go

@@ -20,6 +20,8 @@ import (
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/sources"
+	opservice "github.com/ethereum-optimism/optimism/op-service"
+	opclient "github.com/ethereum-optimism/optimism/op-service/client"
 	oplog "github.com/ethereum-optimism/optimism/op-service/log"
 	oppprof "github.com/ethereum-optimism/optimism/op-service/pprof"
 	oprpc "github.com/ethereum-optimism/optimism/op-service/rpc"
@@ -145,12 +147,12 @@ func NewChallengerFromCLIConfig(cfg CLIConfig, l log.Logger, m metrics.Metricer)
 
 // NewChallengerConfigFromCLIConfig creates the challenger config from the CLI config.
 func NewChallengerConfigFromCLIConfig(cfg CLIConfig, l log.Logger, m metrics.Metricer) (*Config, error) {
-	l2ooAddress, err := parseAddress(cfg.L2OOAddress)
+	l2ooAddress, err := opservice.ParseAddress(cfg.L2OOAddress)
 	if err != nil {
 		return nil, err
 	}
 
-	dgfAddress, err := parseAddress(cfg.DGFAddress)
+	dgfAddress, err := opservice.ParseAddress(cfg.DGFAddress)
 	if err != nil {
 		return nil, err
 	}
@@ -162,12 +164,12 @@ func NewChallengerConfigFromCLIConfig(cfg CLIConfig, l log.Logger, m metrics.Met
 
 	// Connect to L1 and L2 providers. Perform these last since they are the most expensive.
 	ctx := context.Background()
-	l1Client, err := dialEthClientWithTimeout(ctx, cfg.L1EthRpc)
+	l1Client, err := opclient.DialEthClientWithTimeout(ctx, cfg.L1EthRpc, opclient.DefaultDialTimeout)
 	if err != nil {
 		return nil, err
 	}
 
-	rollupClient, err := dialRollupClientWithTimeout(ctx, cfg.RollupRpc)
+	rollupClient, err := opclient.DialRollupClientWithTimeout(ctx, cfg.RollupRpc, opclient.DefaultDialTimeout)
 	if err != nil {
 		return nil, err
 	}

op-challenger/challenger/utils.go

-package challenger
-
-import (
-	"context"
-	"fmt"
-	"time"
-
-	"github.com/ethereum-optimism/optimism/op-node/client"
-	"github.com/ethereum-optimism/optimism/op-node/sources"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/ethclient"
-	"github.com/ethereum/go-ethereum/rpc"
-)
-
-var defaultDialTimeout = 5 * time.Second
-
-// dialEthClientWithTimeout attempts to dial the L1 provider using the provided
-// URL. If the dial doesn't complete within defaultDialTimeout seconds, this
-// method will return an error.
-func dialEthClientWithTimeout(ctx context.Context, url string) (*ethclient.Client, error) {
-	ctxt, cancel := context.WithTimeout(ctx, defaultDialTimeout)
-	defer cancel()
-
-	return ethclient.DialContext(ctxt, url)
-}
-
-// dialRollupClientWithTimeout attempts to dial the RPC provider using the provided
-// URL. If the dial doesn't complete within defaultDialTimeout seconds, this
-// method will return an error.
-func dialRollupClientWithTimeout(ctx context.Context, url string) (*sources.RollupClient, error) {
-	ctxt, cancel := context.WithTimeout(ctx, defaultDialTimeout)
-	defer cancel()
-
-	rpcCl, err := rpc.DialContext(ctxt, url)
-	if err != nil {
-		return nil, err
-	}
-
-	return sources.NewRollupClient(client.NewBaseRPCClient(rpcCl)), nil
-}
-
-// parseAddress parses an ETH address from a hex string. This method will fail if
-// the address is not a valid hexadecimal address.
-func parseAddress(address string) (common.Address, error) {
-	if common.IsHexAddress(address) {
-		return common.HexToAddress(address), nil
-	}
-	return common.Address{}, fmt.Errorf("invalid address: %v", address)
-}

op-proposer/proposer/l2_output_submitter.go

@@ -23,6 +23,8 @@ import (
 	"github.com/ethereum-optimism/optimism/op-node/eth"
 	"github.com/ethereum-optimism/optimism/op-node/sources"
 	"github.com/ethereum-optimism/optimism/op-proposer/metrics"
+	opservice "github.com/ethereum-optimism/optimism/op-service"
+	opclient "github.com/ethereum-optimism/optimism/op-service/client"
 	oplog "github.com/ethereum-optimism/optimism/op-service/log"
 	oppprof "github.com/ethereum-optimism/optimism/op-service/pprof"
 	oprpc "github.com/ethereum-optimism/optimism/op-service/rpc"
@@ -148,7 +150,7 @@ func NewL2OutputSubmitterFromCLIConfig(cfg CLIConfig, l log.Logger, m metrics.Me
 
 // NewL2OutputSubmitterConfigFromCLIConfig creates the proposer config from the CLI config.
 func NewL2OutputSubmitterConfigFromCLIConfig(cfg CLIConfig, l log.Logger, m metrics.Metricer) (*Config, error) {
-	l2ooAddress, err := parseAddress(cfg.L2OOAddress)
+	l2ooAddress, err := opservice.ParseAddress(cfg.L2OOAddress)
 	if err != nil {
 		return nil, err
 	}
@@ -160,12 +162,12 @@ func NewL2OutputSubmitterConfigFromCLIConfig(cfg CLIConfig, l log.Logger, m metr
 
 	// Connect to L1 and L2 providers. Perform these last since they are the most expensive.
 	ctx := context.Background()
-	l1Client, err := dialEthClientWithTimeout(ctx, cfg.L1EthRpc)
+	l1Client, err := opclient.DialEthClientWithTimeout(ctx, cfg.L1EthRpc, opclient.DefaultDialTimeout)
 	if err != nil {
 		return nil, err
 	}
 
-	rollupClient, err := dialRollupClientWithTimeout(ctx, cfg.RollupRpc)
+	rollupClient, err := opclient.DialRollupClientWithTimeout(ctx, cfg.RollupRpc, opclient.DefaultDialTimeout)
 	if err != nil {
 		return nil, err
 	}

op-proposer/proposer/utils.go

-package proposer
-
-import (
-	"context"
-	"fmt"
-	"time"
-
-	"github.com/ethereum-optimism/optimism/op-node/client"
-	"github.com/ethereum-optimism/optimism/op-node/sources"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/ethclient"
-	"github.com/ethereum/go-ethereum/rpc"
-)
-
-var defaultDialTimeout = 5 * time.Second
-
-// dialEthClientWithTimeout attempts to dial the L1 provider using the provided
-// URL. If the dial doesn't complete within defaultDialTimeout seconds, this
-// method will return an error.
-func dialEthClientWithTimeout(ctx context.Context, url string) (*ethclient.Client, error) {
-	ctxt, cancel := context.WithTimeout(ctx, defaultDialTimeout)
-	defer cancel()
-
-	return ethclient.DialContext(ctxt, url)
-}
-
-// dialRollupClientWithTimeout attempts to dial the RPC provider using the provided
-// URL. If the dial doesn't complete within defaultDialTimeout seconds, this
-// method will return an error.
-func dialRollupClientWithTimeout(ctx context.Context, url string) (*sources.RollupClient, error) {
-	ctxt, cancel := context.WithTimeout(ctx, defaultDialTimeout)
-	defer cancel()
-
-	rpcCl, err := rpc.DialContext(ctxt, url)
-	if err != nil {
-		return nil, err
-	}
-
-	return sources.NewRollupClient(client.NewBaseRPCClient(rpcCl)), nil
-}
-
-// parseAddress parses an ETH address from a hex string. This method will fail if
-// the address is not a valid hexadecimal address.
-func parseAddress(address string) (common.Address, error) {
-	if common.IsHexAddress(address) {
-		return common.HexToAddress(address), nil
-	}
-	return common.Address{}, fmt.Errorf("invalid address: %v", address)
-}

op-service/client/ethclient.go

+package client
+
+import (
+	"context"
+	"time"
+
+	"github.com/ethereum/go-ethereum/ethclient"
+)
+
+// DialEthClientWithTimeout attempts to dial the L1 provider using the provided
+// URL. If the dial doesn't complete within defaultDialTimeout seconds, this
+// method will return an error.
+func DialEthClientWithTimeout(ctx context.Context, url string, timeout time.Duration) (*ethclient.Client, error) {
+	ctxt, cancel := context.WithTimeout(ctx, timeout)
+	defer cancel()
+
+	return ethclient.DialContext(ctxt, url)
+}

op-batcher/batcher/utils.go → op-service/client/rollup.go

-package batcher
+package client
 
 import (
 	"context"
+	"time"
 
 	"github.com/ethereum-optimism/optimism/op-node/client"
 	"github.com/ethereum-optimism/optimism/op-node/sources"
-	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/ethereum/go-ethereum/rpc"
 )
 
-// dialEthClientWithTimeout attempts to dial the L1 provider using the provided
+// DialRollupClientWithTimeout attempts to dial the RPC provider using the provided
 // URL. If the dial doesn't complete within defaultDialTimeout seconds, this
 // method will return an error.
-func dialEthClientWithTimeout(ctx context.Context, url string) (*ethclient.Client, error) {
-
-	ctxt, cancel := context.WithTimeout(ctx, defaultDialTimeout)
-	defer cancel()
-
-	return ethclient.DialContext(ctxt, url)
-}
-
-// dialRollupClientWithTimeout attempts to dial the RPC provider using the provided
-// URL. If the dial doesn't complete within defaultDialTimeout seconds, this
-// method will return an error.
-func dialRollupClientWithTimeout(ctx context.Context, url string) (*sources.RollupClient, error) {
-	ctxt, cancel := context.WithTimeout(ctx, defaultDialTimeout)
+func DialRollupClientWithTimeout(ctx context.Context, url string, timeout time.Duration) (*sources.RollupClient, error) {
+	ctxt, cancel := context.WithTimeout(ctx, timeout)
 	defer cancel()
 
 	rpcCl, err := rpc.DialContext(ctxt, url)

op-service/client/timeout.go

+package client
+
+import (
+	"time"
+)
+
+// DefaultDialTimeout is a default timeout for dialing a client.
+const DefaultDialTimeout = 5 * time.Second

op-service/util.go

@@ -3,16 +3,28 @@ package op_service
 import (
 	"context"
 	"errors"
+	"fmt"
 	"os"
 	"os/signal"
 	"syscall"
 	"time"
+
+	"github.com/ethereum/go-ethereum/common"
 )
 
 func PrefixEnvVar(prefix, suffix string) string {
 	return prefix + "_" + suffix
 }
 
+// ParseAddress parses an ETH address from a hex string. This method will fail if
+// the address is not a valid hexadecimal address.
+func ParseAddress(address string) (common.Address, error) {
+	if common.IsHexAddress(address) {
+		return common.HexToAddress(address), nil
+	}
+	return common.Address{}, fmt.Errorf("invalid address: %v", address)
+}
+
 // CloseAction runs the function in the background, until it finishes or until it is closed by the user with an interrupt.
 func CloseAction(fn func(ctx context.Context, shutdown <-chan struct{}) error) error {
 	stopped := make(chan error, 1)