From fed3a27c17260e81726f946170b3f02e5af5197e Mon Sep 17 00:00:00 2001
From: David <david@taiko.xyz>
Date: Thu, 21 Mar 2024 11:37:59 +0800
Subject: [PATCH] feat(pkg): remove `IsArchiveNode` check for L1 endpoint
 (#652)

---
 pkg/rpc/client.go | 14 --------------
 pkg/rpc/utils.go  | 16 ----------------
 2 files changed, 30 deletions(-)

diff --git a/pkg/rpc/client.go b/pkg/rpc/client.go
index 11eff024f..3aa2b0a51 100644
--- a/pkg/rpc/client.go
+++ b/pkg/rpc/client.go
@@ -2,10 +2,8 @@ package rpc
 
 import (
 	"context"
-	"fmt"
 	"time"
 
-	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/taikoxyz/taiko-client/bindings"
 )
@@ -88,18 +86,6 @@ func NewClient(ctx context.Context, cfg *ClientConfig) (*Client, error) {
 		}
 	}
 
-	stateVars, err := taikoL1.GetStateVariables(&bind.CallOpts{Context: ctxWithTimeout})
-	if err != nil {
-		return nil, err
-	}
-	isArchive, err := IsArchiveNode(ctxWithTimeout, l1Client, stateVars.A.GenesisHeight)
-	if err != nil {
-		return nil, err
-	}
-	if !isArchive {
-		return nil, fmt.Errorf("error with RPC endpoint: node (%s) must be archive node", cfg.L1Endpoint)
-	}
-
 	// If not providing L2EngineEndpoint or JwtSecret, then the L2Engine client
 	// won't be initialized.
 	var l2AuthClient *EngineClient
diff --git a/pkg/rpc/utils.go b/pkg/rpc/utils.go
index 0730ff4dd..20fa554ea 100644
--- a/pkg/rpc/utils.go
+++ b/pkg/rpc/utils.go
@@ -381,22 +381,6 @@ func StringToBytes32(str string) [32]byte {
 	return b
 }
 
-// IsArchiveNode checks if the given node is an archive node.
-func IsArchiveNode(ctx context.Context, client *EthClient, l2GenesisHeight uint64) (bool, error) {
-	ctxWithTimeout, cancel := ctxWithTimeoutOrDefault(ctx, defaultTimeout)
-	defer cancel()
-
-	if _, err := client.BalanceAt(ctxWithTimeout, ZeroAddress, new(big.Int).SetUint64(l2GenesisHeight)); err != nil {
-		if strings.Contains(err.Error(), "missing trie node") {
-			return false, nil
-		}
-
-		return false, err
-	}
-
-	return true, nil
-}
-
 // ctxWithTimeoutOrDefault sets a context timeout if the deadline has not passed or is not set,
 // and otherwise returns the context as passed in. cancel func is always set to an empty function
 // so is safe to defer the cancel.