git: 0601bd825395 - main - net-p2p/datum_gateway: all bitcoind RPC calls fail with HTTP 400 against libevent 2.1.13

The branch main has been updated by kiwi:

URL: https://cgit.FreeBSD.org/ports/commit/?id=0601bd825395b7a1e6dabed90875467e969473ce

commit 0601bd825395b7a1e6dabed90875467e969473ce
Author:     Matt Watson <mattraydub@gmail.com>
AuthorDate: 2026-10-07 10:16:45 +0000
Commit:     Xavier Beaudouin <kiwi@FreeBSD.org>
CommitDate: 2026-10-07 10:18:29 +0000

    net-p2p/datum_gateway: all bitcoind RPC calls fail with HTTP 400 against libevent 2.1.13
    
    Fix 400 when talking to a Bitcoin Core node linked to libevent 2.1.13
    
    PR:     298748
---
 net-p2p/datum_gateway/Makefile                     |  2 +-
 .../datum_gateway/files/patch-src_datum_jsonrpc.c  | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/net-p2p/datum_gateway/Makefile b/net-p2p/datum_gateway/Makefile
index 0668efa690a5..e0ad4cf3034f 100644
--- a/net-p2p/datum_gateway/Makefile
+++ b/net-p2p/datum_gateway/Makefile
@@ -2,7 +2,7 @@ PORTNAME=	datum_gateway
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.4.0
 DISTVERSIONSUFFIX=	beta
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	net-p2p
 
 MAINTAINER=	kiwi@FreeBSD.org
diff --git a/net-p2p/datum_gateway/files/patch-src_datum_jsonrpc.c b/net-p2p/datum_gateway/files/patch-src_datum_jsonrpc.c
new file mode 100644
index 000000000000..cdbecffc0320
--- /dev/null
+++ b/net-p2p/datum_gateway/files/patch-src_datum_jsonrpc.c
@@ -0,0 +1,22 @@
+--- src/datum_jsonrpc.c.orig	2025-07-16 19:51:32 UTC
++++ src/datum_jsonrpc.c
+@@ -146,7 +146,6 @@
+ 	struct upload_buffer upload_data;
+ 	json_error_t err = { };
+ 	struct curl_slist *headers = NULL;
+-	char len_hdr[64];
+ 	char curl_err_str[CURL_ERROR_SIZE];
+ 	bool check_for_result = true;
+ 	
+@@ -172,10 +171,9 @@
+ 	
+ 	upload_data.buf = rpc_req;
+ 	upload_data.len = strlen(rpc_req);
+-	sprintf(len_hdr, "Content-Length: %lu",(unsigned long) upload_data.len);
++	curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE, (curl_off_t)upload_data.len);
+ 	
+ 	headers = curl_slist_append(headers, "Content-type: application/json");
+-	headers = curl_slist_append(headers, len_hdr);
+ 	headers = curl_slist_append(headers, "Expect:");
+ 	
+ 	if (extra_header) {