From bc00e4686565eef058615b57cdff5c1a2fa896af Mon Sep 17 00:00:00 2001
From: Leonid Nikitin <i@kor-elf.net>
Date: Sun, 26 Apr 2026 16:05:58 +0500
Subject: [PATCH] Add chain implementation with Add, Create, Delete, Clear, and
 Rename methods

---
 internal/batch/chain/chain.go | 44 +++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 internal/batch/chain/chain.go

diff --git a/internal/batch/chain/chain.go b/internal/batch/chain/chain.go
new file mode 100644
index 0000000..04c37c4
--- /dev/null
+++ b/internal/batch/chain/chain.go
@@ -0,0 +1,44 @@
+package chain
+
+import (
+	chain2 "git.kor-elf.net/kor-elf-shield/go-nftables-client/chain"
+	"git.kor-elf.net/kor-elf-shield/go-nftables-client/contract"
+	"git.kor-elf.net/kor-elf-shield/go-nftables-client/contract/nft"
+	"git.kor-elf.net/kor-elf-shield/go-nftables-client/family"
+	nftCommand "git.kor-elf.net/kor-elf-shield/go-nftables-client/internal/pkg/nft"
+)
+
+type chain struct {
+	command contract.CommandRun
+}
+
+func New(command contract.CommandRun) nft.Chain {
+	return &chain{
+		command: command,
+	}
+}
+
+func (c *chain) Add(family family.Type, tableName string, chainName string, baseChain chain2.ChainOptions) error {
+	args := nftCommand.ChainAdd(family, tableName, chainName, baseChain)
+	return c.command.Run(args...)
+}
+
+func (c *chain) Create(family family.Type, tableName string, chainName string, baseChain chain2.ChainOptions) error {
+	args := nftCommand.ChainCreate(family, tableName, chainName, baseChain)
+	return c.command.Run(args...)
+}
+
+func (c *chain) Delete(family family.Type, tableName string, chainName string) error {
+	args := nftCommand.ChainDelete(family, tableName, chainName)
+	return c.command.Run(args...)
+}
+
+func (c *chain) Clear(family family.Type, tableName string, chainName string) error {
+	args := nftCommand.ChainClear(family, tableName, chainName)
+	return c.command.Run(args...)
+}
+
+func (c *chain) Rename(family family.Type, tableName string, oldChainName string, newChainName string) error {
+	args := nftCommand.ChainRename(family, tableName, oldChainName, newChainName)
+	return c.command.Run(args...)
+}