From b524c0eab553c148a308e21dbffa2ba2fd94a79e Mon Sep 17 00:00:00 2001
From: Raul Jordan <rauljordan@college.harvard.edu>
Date: Thu, 3 May 2018 16:31:28 -0500
Subject: [PATCH] sharding: make shard func

Former-commit-id: bbb2c9cf92add01dd21480ddf76d14d93c5ca193 [formerly 8a52bd1e5370434ac174968a4767f47ae310a35f]
Former-commit-id: 31256de9b910d8e4131b19ef69d7815df025f362
---
 sharding/shard.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sharding/shard.go b/sharding/shard.go
index 2ecaf185b..38bbac376 100644
--- a/sharding/shard.go
+++ b/sharding/shard.go
@@ -14,6 +14,17 @@ type Shard struct {
 	shardID *big.Int
 }
 
+// MakeShard creates an instance of a Shard struct given a shardID.
+func MakeShard(shardID *big.Int) *Shard {
+	// Swappable.
+	shardDB := &shardKV{kv: make(map[common.Hash][]byte)}
+
+	return &Shard{
+		shardID: shardID,
+		shardDB: shardDB,
+	}
+}
+
 // ValidateShardID checks if header belongs to shard.
 func (s *Shard) ValidateShardID(h *CollationHeader) error {
 	if s.shardID.Cmp(h.shardID) != 0 {