diff --git a/lib/wallet/nodeclient.js b/lib/wallet/nodeclient.js
index 75b5119e6..0f3dc6034 100644
--- a/lib/wallet/nodeclient.js
+++ b/lib/wallet/nodeclient.js
@@ -342,6 +342,24 @@ class NodeClient extends AsyncEmitter {
   async getCoin(hash, index) {
     return this.node.getCoin(hash, index);
   }
+
+  /**
+   * Get block header.
+   * @param {Hash|Number} block
+   * @returns {Promise<ChainEntry>}
+   */
+
+  async getBlockHeader(block) {
+    if (typeof block === 'string')
+      block = Buffer.from(block, 'hex');
+
+    const entry = await this.node.chain.getEntry(block);
+
+    if (!entry)
+      return null;
+
+    return entry;
+  }
 }
 
 /*
diff --git a/lib/wallet/nullclient.js b/lib/wallet/nullclient.js
index 2dbd06ef1..ba77a2dda 100644
--- a/lib/wallet/nullclient.js
+++ b/lib/wallet/nullclient.js
@@ -221,6 +221,16 @@ class NullClient extends EventEmitter {
   async getNameStatus(nameHash) {
     return new NameState();
   }
+
+  /**
+   * Get block header.
+   * @param {Hash|Number} block
+   * @returns {Promise<ChainEntry?>}
+   */
+
+  async getBlockHeader(block) {
+    return null;
+  }
 }
 
 /*