From 96605e43315027216d5d04ac7fc0575075ba8f82 Mon Sep 17 00:00:00 2001
From: buddho <galaxystroller@gmail.com>
Date: Fri, 22 Mar 2024 17:16:14 +0800
Subject: [PATCH] remove useless Config() (#2326)

---
 consensus/parlia/parlia.go      | 4 ----
 core/data_availability_test.go  | 4 ----
 core/evm.go                     | 5 -----
 core/vm/runtime/runtime_test.go | 4 ----
 internal/ethapi/api.go          | 5 -----
 5 files changed, 22 deletions(-)

diff --git a/consensus/parlia/parlia.go b/consensus/parlia/parlia.go
index 733ac3f046..e77e8c0b85 100644
--- a/consensus/parlia/parlia.go
+++ b/consensus/parlia/parlia.go
@@ -1966,10 +1966,6 @@ func (c chainContext) Engine() consensus.Engine {
 	return c.parlia
 }
 
-func (c chainContext) Config() *params.ChainConfig {
-	return c.Chain.Config()
-}
-
 func (c chainContext) GetHeader(hash common.Hash, number uint64) *types.Header {
 	return c.Chain.GetHeader(hash, number)
 }
diff --git a/core/data_availability_test.go b/core/data_availability_test.go
index 153f9b948b..9cb29b079c 100644
--- a/core/data_availability_test.go
+++ b/core/data_availability_test.go
@@ -279,10 +279,6 @@ func (r *mockDAHeaderReader) setChasingHead(h uint64) {
 	r.chasingHead = h
 }
 
-func (r *mockDAHeaderReader) Config() *params.ChainConfig {
-	return r.config
-}
-
 func (r *mockDAHeaderReader) CurrentHeader() *types.Header {
 	return &types.Header{
 		Number: new(big.Int).SetUint64(r.chasingHead),
diff --git a/core/evm.go b/core/evm.go
index e509f836d1..73f6d7bc20 100644
--- a/core/evm.go
+++ b/core/evm.go
@@ -19,8 +19,6 @@ package core
 import (
 	"math/big"
 
-	"github.com/ethereum/go-ethereum/params"
-
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/consensus"
 	"github.com/ethereum/go-ethereum/consensus/misc/eip4844"
@@ -37,9 +35,6 @@ type ChainContext interface {
 
 	// GetHeader returns the header corresponding to the hash/number argument pair.
 	GetHeader(common.Hash, uint64) *types.Header
-
-	// Config retrieves the chain config.
-	Config() *params.ChainConfig
 }
 
 // NewEVMBlockContext creates a new context for use in the EVM.
diff --git a/core/vm/runtime/runtime_test.go b/core/vm/runtime/runtime_test.go
index be34bd5f07..b9e3c8ed66 100644
--- a/core/vm/runtime/runtime_test.go
+++ b/core/vm/runtime/runtime_test.go
@@ -236,10 +236,6 @@ func (d *dummyChain) Engine() consensus.Engine {
 	return nil
 }
 
-func (d *dummyChain) Config() *params.ChainConfig {
-	return nil
-}
-
 // GetHeader returns the hash corresponding to their hash.
 func (d *dummyChain) GetHeader(h common.Hash, n uint64) *types.Header {
 	d.counter++
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 866494f3cc..d29e92abc1 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1156,7 +1156,6 @@ func (diff *BlockOverrides) Apply(blockCtx *vm.BlockContext) {
 type ChainContextBackend interface {
 	Engine() consensus.Engine
 	HeaderByNumber(context.Context, rpc.BlockNumber) (*types.Header, error)
-	ChainConfig() *params.ChainConfig
 }
 
 // ChainContext is an implementation of core.ChainContext. It's main use-case
@@ -1175,10 +1174,6 @@ func (context *ChainContext) Engine() consensus.Engine {
 	return context.b.Engine()
 }
 
-func (context *ChainContext) Config() *params.ChainConfig {
-	return context.b.ChainConfig()
-}
-
 func (context *ChainContext) GetHeader(hash common.Hash, number uint64) *types.Header {
 	// This method is called to get the hash for a block number when executing the BLOCKHASH
 	// opcode. Hence no need to search for non-canonical blocks.