chore!: move sequencers to pkg (#2931)

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## Overview

This pr moves sequencers to pkg, its a nit, we should probably hold off
on merging to avoid lots merge conflicts with da removal

Author: tac0turtle

.gitignore

@@ -30,3 +30,4 @@ docs/.vitepress/cache
 .claude
 .gocache
 .gomodcache
+/.cache

CLAUDE.md

@@ -44,15 +44,15 @@ The project uses a zero-dependency core package pattern:
 
 - **core/** - Contains only interfaces and types, no external dependencies
 - **block/** - Block management, creation, validation, and synchronization
-- **p2p/** - Networking layer built on libp2p
-- **sequencing/** - Modular sequencer implementations
-- **testapp/** - Reference implementation for testing
+- **pkg/p2p/** - Networking layer built on libp2p
+- **pkg/sequencers/** - Modular sequencer implementations
+- **apps/testapp/** - Reference implementation for testing
 
 ### Key Interfaces
 
-- **Executor** (core/executor.go) - Handles state transitions
-- **Sequencer** (core/sequencer.go) - Orders transactions
-- **DA** (pkg/da/types) - Data availability layer abstraction
+- **Executor** (`core/executor.go`) - Handles state transitions
+- **Sequencer** (`core/sequencer.go`) - Orders transactions
+- **DA** (`pkg/da/types`) - Data availability layer abstraction
 
 ### Modular Design
 

apps/evm/cmd/run.go

@@ -26,9 +26,9 @@ import (
 	genesispkg "github.com/evstack/ev-node/pkg/genesis"
 	"github.com/evstack/ev-node/pkg/p2p"
 	"github.com/evstack/ev-node/pkg/p2p/key"
+	"github.com/evstack/ev-node/pkg/sequencers/based"
+	"github.com/evstack/ev-node/pkg/sequencers/single"
 	"github.com/evstack/ev-node/pkg/store"
-	"github.com/evstack/ev-node/sequencers/based"
-	"github.com/evstack/ev-node/sequencers/single"
 
 	"github.com/evstack/ev-node/apps/evm/server"
 )

apps/grpc/Dockerfile

@@ -12,7 +12,6 @@ COPY go.mod go.sum ./
 COPY apps/grpc/go.mod apps/grpc/go.sum ./apps/grpc/
 COPY core/go.mod ./core/
 COPY execution/grpc/go.mod execution/grpc/go.sum ./execution/grpc/
-COPY sequencers/single/go.mod sequencers/single/go.sum ./sequencers/single/
 
 # Download dependencies
 RUN go mod download

apps/grpc/README.md

@@ -151,4 +151,4 @@ If you have issues connecting to the DA layer:
 
 - [Evolve Documentation](https://ev.xyz)
 - [gRPC Execution Interface](../../execution/grpc/README.md)
-- [Single Sequencer Documentation](../../sequencers/single/README.md)
+- [Single Sequencer Documentation](../../pkg/sequencers/single/README.md)

apps/grpc/cmd/run.go

@@ -22,9 +22,9 @@ import (
 	rollgenesis "github.com/evstack/ev-node/pkg/genesis"
 	"github.com/evstack/ev-node/pkg/p2p"
 	"github.com/evstack/ev-node/pkg/p2p/key"
+	"github.com/evstack/ev-node/pkg/sequencers/based"
+	"github.com/evstack/ev-node/pkg/sequencers/single"
 	"github.com/evstack/ev-node/pkg/store"
-	"github.com/evstack/ev-node/sequencers/based"
-	"github.com/evstack/ev-node/sequencers/single"
 )
 
 const (

apps/testapp/cmd/run.go

@@ -20,9 +20,9 @@ import (
 	"github.com/evstack/ev-node/pkg/genesis"
 	"github.com/evstack/ev-node/pkg/p2p"
 	"github.com/evstack/ev-node/pkg/p2p/key"
+	"github.com/evstack/ev-node/pkg/sequencers/based"
+	"github.com/evstack/ev-node/pkg/sequencers/single"
 	"github.com/evstack/ev-node/pkg/store"
-	"github.com/evstack/ev-node/sequencers/based"
-	"github.com/evstack/ev-node/sequencers/single"
 )
 
 const testDbName = "testapp"

sequencers/based/README.md pkg/sequencers/based/README.mdsequencers/based/README.md renamed to pkg/sequencers/based/README.md

@@ -16,7 +16,7 @@ This design ensures that all transactions are force-included from DA, making the
 
 ### Key Interfaces
 
-The Based Sequencer implements the `Sequencer` interface from `core/sequencer.go`:
+The Based Sequencer implements the `Sequencer` interface from `core/sequencer/sequencing.go`:
 
 - `SubmitBatchTxs()` - No-op for based sequencer (transactions are not accepted)
 - `GetNextBatch()` - Retrieves the next batch from DA via forced inclusion
@@ -89,7 +89,7 @@ type Checkpoint struct {
 
 #### 1. Initial State
 
-```
+```bash
 Checkpoint: (DAHeight: 100, TxIndex: 0)
 - Ready to fetch epoch starting at DA height 100
 ```
@@ -98,7 +98,7 @@ Checkpoint: (DAHeight: 100, TxIndex: 0)
 
 When `GetNextBatch()` is called and we're at an epoch end:
 
-```
+```bash
 Request: GetNextBatch(maxBytes: 1MB)
 Action: Fetch all transactions from epoch (DA heights 100-109)
 Result: currentBatchTxs = [tx1, tx2, tx3, ..., txN] (from entire epoch)
@@ -108,7 +108,7 @@ Result: currentBatchTxs = [tx1, tx2, tx3, ..., txN] (from entire epoch)
 
 Transactions are processed incrementally, respecting `maxBytes`:
 
-```
+```bash
 Batch 1: [tx1, tx2] (fits in maxBytes)
 Checkpoint: (DAHeight: 100, TxIndex: 2)
 

sequencers/based/sequencer.go pkg/sequencers/based/sequencer.gosequencers/based/sequencer.go renamed to pkg/sequencers/based/sequencer.go

@@ -14,7 +14,7 @@ import (
 	coresequencer "github.com/evstack/ev-node/core/sequencer"
 	datypes "github.com/evstack/ev-node/pkg/da/types"
 	"github.com/evstack/ev-node/pkg/genesis"
-	seqcommon "github.com/evstack/ev-node/sequencers/common"
+	seqcommon "github.com/evstack/ev-node/pkg/sequencers/common"
 )
 
 var _ coresequencer.Sequencer = (*BasedSequencer)(nil)