1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 pukkamustard <pukkamustard@posteo.net>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix eris)
#:use-module (eris)
#:use-module (eris blocks ipfs)
#:use-module (web client)
#:use-module (web response)
#:use-module (srfi srfi-71)
#:export (guix-eris-block-reducer))
(define (ipfs-daemon-alive?)
"Attempt to connect to the IPFS daemon. Returns #t if the daemon is alive
and #f else."
(with-exception-handler
(const #f)
(lambda _
(let ((response _
(http-post (string-append (%ipfs-base-url)
"/api/v0/version"))))
(equal? 200 (response-code response))))
#:unwind? #t))
(define guix-eris-block-reducer
(case-lambda
;; Check if IPFS Daemon is running.
(() (if (ipfs-daemon-alive?)
(eris-blocks-ipfs-reducer)
#f))
;; Completion. Nothing to do.
((_) #t)
((ipfs ref-block)
;; If IPFS has been initialized store block there
(if ipfs
(eris-blocks-ipfs-reducer ipfs ref-block)
ipfs))))
|