From 010da298c4939e03dedca7009cb96e1d0f28c040 Mon Sep 17 00:00:00 2001
From: jholdstock <jholdstock@decred.org>
Date: Fri, 18 Aug 2023 09:44:33 +0100
Subject: [PATCH] rpc: Break out GetBlockHeaderVerbose func.

This makes the RPC reusable by other code in future.
---
 rpc/dcrd.go | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/rpc/dcrd.go b/rpc/dcrd.go
index be5594f..6342b2b 100644
--- a/rpc/dcrd.go
+++ b/rpc/dcrd.go
@@ -228,9 +228,19 @@ func (c *DcrdRPC) GetBestBlockHeader() (*dcrdtypes.GetBlockHeaderVerboseResult,
 		return nil, err
 	}
 
+	blockHeader, err := c.GetBlockHeaderVerbose(bestBlockHash)
+	if err != nil {
+		return nil, err
+	}
+	return blockHeader, nil
+}
+
+// GetBlockHeaderVerbose uses getblockheader RPC with verbose=true to retrieve
+// the header of the requested block.
+func (c *DcrdRPC) GetBlockHeaderVerbose(blockHash string) (*dcrdtypes.GetBlockHeaderVerboseResult, error) {
 	verbose := true
 	var blockHeader dcrdtypes.GetBlockHeaderVerboseResult
-	err = c.Call(c.ctx, "getblockheader", &blockHeader, bestBlockHash, verbose)
+	err := c.Call(c.ctx, "getblockheader", &blockHeader, blockHash, verbose)
 	if err != nil {
 		return nil, err
 	}