Commit Graph

816 Commits

Author SHA1 Message Date
Alexander Blair
8d5e043981
Merge pull request #6205
021cf733 ssl: server-side: allow multiple version of TLS (Bertrand Jacquin)
2020-02-28 19:35:48 -08:00
Alexander Blair
5e384f21b5
Merge pull request #6184
2d1afceb net_ssl: load default certificates in CA mode on Windows (moneromooo-monero)
2020-02-06 00:35:46 -08:00
Alexander Blair
a62f7dc573
Merge pull request #6182
e896cca8 epee: reorder a couple init list fields to match declaration (moneromooo-monero)
2020-02-06 00:34:15 -08:00
moneromooo-monero
56a4469ef3
network: log traffic and add a simple traffic analysis script 2020-01-26 00:33:41 +00:00
Alexander Blair
a7a8eb0279
Merge pull request #6160
bd6a5778 Gitian: Fix sigs generation (TheCharlatan)
2020-01-24 20:15:11 -08:00
Alexander Blair
8039fd4cab
Merge pull request #6143
6efeefbc epee: set application/json MIME type on json errors (moneromooo-monero)
2020-01-16 17:46:13 -08:00
Alexander Blair
f1ca98a7ef
Merge pull request #6133
b2ad757f Replace memset with memwipe. (Bert Peters)
2020-01-16 17:41:35 -08:00
Alexander Blair
fbc15de2cd
Merge pull request #6125
584d057f epee: fix console_handlers_binder race, wait for thread to finish (xiphon)
2020-01-16 17:32:15 -08:00
Alexander Blair
fe736070d2
Merge pull request #6120
feef1c6a epee: fix peer ids being truncated on display (moneromooo-monero)
2020-01-16 17:30:17 -08:00
TheCharlatan
8e338e555c
depends: update libsodium to 1.0.18 2019-12-12 23:39:37 +01:00
Bertrand Jacquin
021cf733c6
ssl: server-side: allow multiple version of TLS
boost::asio::ssl::context is created using specifically TLSv1.2, which
blocks the ability to use superior version of TLS like TLSv1.3.

Filtering is also made specially later in the code to remove unsafe
version for TLS such SSLv2, SSLv3 etc..

This change is removing double filtering to allow TLSv1.2 and above to
be used.

testssl.sh 3.0rc5 now reports the following (please note monerod was
built with USE_EXTRA_EC_CERT):

 $ ./testssl.sh --openssl=/usr/bin/openssl \
     --each-cipher --cipher-per-proto \
     --server-defaults --server-preference \
     --vulnerable --heartbleed --ccs --ticketbleed \
     --robot --renegotiation --compression --breach \
     --poodle --tls-fallback --sweet32 --beast --lucky13 \
     --freak --logjam --drown --pfs --rc4 --full \
     --wide --hints 127.0.0.1:38081

 Using "OpenSSL 1.1.1d  10 Sep 2019" [~80 ciphers]
 on ip-10-97-15-6:/usr/bin/openssl
 (built: "Dec  3 21:14:51 2019", platform: "linux-x86_64")

 Start 2019-12-03 21:51:25        -->> 127.0.0.1:38081 (127.0.0.1) <<--

 rDNS (127.0.0.1):       --
 Service detected:       HTTP

 Testing protocols via sockets except NPN+ALPN

 SSLv2      not offered (OK)
 SSLv3      not offered (OK)
 TLS 1      not offered
 TLS 1.1    not offered
 TLS 1.2    offered (OK)
 TLS 1.3    offered (OK): final
 NPN/SPDY   not offered
 ALPN/HTTP2 not offered

 Testing for server implementation bugs

 No bugs found.

 Testing cipher categories

 NULL ciphers (no encryption)                  not offered (OK)
 Anonymous NULL Ciphers (no authentication)    not offered (OK)
 Export ciphers (w/o ADH+NULL)                 not offered (OK)
 LOW: 64 Bit + DES, RC[2,4] (w/o export)       not offered (OK)
 Triple DES Ciphers / IDEA                     not offered (OK)
 Average: SEED + 128+256 Bit CBC ciphers       not offered
 Strong encryption (AEAD ciphers)              offered (OK)

 Testing robust (perfect) forward secrecy, (P)FS -- omitting Null Authentication/Encryption, 3DES, RC4

 PFS is offered (OK), ciphers follow (client/browser support is important here)

Hexcode  Cipher Suite Name (OpenSSL)       KeyExch.   Encryption  Bits     Cipher Suite Name (IANA/RFC)
-----------------------------------------------------------------------------------------------------------------------------
 x1302   TLS_AES_256_GCM_SHA384            ECDH 253   AESGCM      256      TLS_AES_256_GCM_SHA384
 x1303   TLS_CHACHA20_POLY1305_SHA256      ECDH 253   ChaCha20    256      TLS_CHACHA20_POLY1305_SHA256
 xc030   ECDHE-RSA-AES256-GCM-SHA384       ECDH 253   AESGCM      256      TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
 xc02c   ECDHE-ECDSA-AES256-GCM-SHA384     ECDH 253   AESGCM      256      TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
 xcca9   ECDHE-ECDSA-CHACHA20-POLY1305     ECDH 253   ChaCha20    256      TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
 xcca8   ECDHE-RSA-CHACHA20-POLY1305       ECDH 253   ChaCha20    256      TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
 x1301   TLS_AES_128_GCM_SHA256            ECDH 253   AESGCM      128      TLS_AES_128_GCM_SHA256
 xc02f   ECDHE-RSA-AES128-GCM-SHA256       ECDH 253   AESGCM      128      TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
 xc02b   ECDHE-ECDSA-AES128-GCM-SHA256     ECDH 253   AESGCM      128      TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256

 Elliptic curves offered:     prime256v1 secp384r1 secp521r1 X25519 X448

 Testing server preferences

 Has server cipher order?     yes (OK)
 Negotiated protocol          TLSv1.3
 Negotiated cipher            TLS_AES_256_GCM_SHA384, 253 bit ECDH (X25519)
 Cipher order
    TLSv1.2:   ECDHE-ECDSA-CHACHA20-POLY1305 ECDHE-ECDSA-AES256-GCM-SHA384 ECDHE-ECDSA-AES128-GCM-SHA256 ECDHE-RSA-CHACHA20-POLY1305 ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES128-GCM-SHA256
    TLSv1.3:   TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256 TLS_AES_128_GCM_SHA256

 Testing server defaults (Server Hello)

 TLS extensions (standard)    "renegotiation info/#65281" "EC point formats/#11" "supported versions/#43" "key share/#51" "max fragment length/#1" "extended master secret/#23"
 Session Ticket RFC 5077 hint no -- no lifetime advertised
 SSL Session ID support       yes
 Session Resumption           Tickets no, ID: no
 TLS clock skew               Random values, no fingerprinting possible

  Server Certificate #1 (in response to request w/o SNI)
   Signature Algorithm          SHA256 with RSA
   Server key size              RSA 4096 bits
   Server key usage             --
   Server extended key usage    --
   Serial / Fingerprints        01 / SHA1 132E42981812F5575FA0AE64922B18A81B38C03F
                                SHA256 EBA3CC4AA09DEF26706E64A70DB4BC8D723533BB67EAE12B503A845019FB61DC
   Common Name (CN)             (no CN field in subject)
   subjectAltName (SAN)         missing (NOT ok) -- Browsers are complaining
   Issuer
   Trust (hostname)             certificate does not match supplied URI
   Chain of trust               NOT ok (self signed)
   EV cert (experimental)       no
   "eTLS" (visibility info)     not present
   Certificate Validity (UTC)   181 >= 60 days (2019-12-03 21:51 --> 2020-06-02 21:51)
   # of certificates provided   1
   Certificate Revocation List  --
   OCSP URI                     --
                                NOT ok -- neither CRL nor OCSP URI provided
   OCSP stapling                not offered
   OCSP must staple extension   --
   DNS CAA RR (experimental)    not offered
   Certificate Transparency     --

  Server Certificate #2 (in response to request w/o SNI)
   Signature Algorithm          ECDSA with SHA256
   Server key size              EC 256 bits
   Server key usage             --
   Server extended key usage    --
   Serial / Fingerprints        01 / SHA1 E17B765DD8124525B1407E827B89A31FB167647D
                                SHA256 AFB7F44B1C33831F521357E5AEEB813044CB02532143E92D35650A3FF792A7C3
   Common Name (CN)             (no CN field in subject)
   subjectAltName (SAN)         missing (NOT ok) -- Browsers are complaining
   Issuer
   Trust (hostname)             certificate does not match supplied URI
   Chain of trust               NOT ok (self signed)
   EV cert (experimental)       no
   "eTLS" (visibility info)     not present
   Certificate Validity (UTC)   181 >= 60 days (2019-12-03 21:51 --> 2020-06-02 21:51)
   # of certificates provided   1
   Certificate Revocation List  --
   OCSP URI                     --
                                NOT ok -- neither CRL nor OCSP URI provided
   OCSP stapling                not offered
   OCSP must staple extension   --
   DNS CAA RR (experimental)    not offered
   Certificate Transparency     --

 Testing HTTP header response @ "/"

 HTTP Status Code             404 Not found (Hint: supply a path which doesn't give a "404 Not found")
 HTTP clock skew              Got no HTTP time, maybe try different URL?
 Strict Transport Security    not offered
 Public Key Pinning           --
 Server banner                Epee-based
 Application banner           --
 Cookie(s)                    (none issued at "/") -- maybe better try target URL of 30x
 Security headers             --
 Reverse Proxy banner         --

 Testing vulnerabilities

 Heartbleed (CVE-2014-0160)                not vulnerable (OK), no heartbeat extension
 CCS (CVE-2014-0224)                       not vulnerable (OK)
 Ticketbleed (CVE-2016-9244), experiment.  not vulnerable (OK), no session ticket extension
 ROBOT                                     Server does not support any cipher suites that use RSA key transport
 Secure Renegotiation (CVE-2009-3555)      not vulnerable (OK)
 Secure Client-Initiated Renegotiation     not vulnerable (OK)
 CRIME, TLS (CVE-2012-4929)                not vulnerable (OK)
 BREACH (CVE-2013-3587)                    no HTTP compression (OK)  - only supplied "/" tested
 POODLE, SSL (CVE-2014-3566)               not vulnerable (OK)
 TLS_FALLBACK_SCSV (RFC 7507)              No fallback possible, no protocol below TLS 1.2 offered (OK)
 SWEET32 (CVE-2016-2183, CVE-2016-6329)    not vulnerable (OK)
 FREAK (CVE-2015-0204)                     not vulnerable (OK)
 DROWN (CVE-2016-0800, CVE-2016-0703)      not vulnerable on this host and port (OK)
                                           make sure you don't use this certificate elsewhere with SSLv2 enabled services
                                           https://censys.io/ipv4?q=EBA3CC4AA09DEF26706E64A70DB4BC8D723533BB67EAE12B503A845019FB61DC could help you to find out
 LOGJAM (CVE-2015-4000), experimental      not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2
 BEAST (CVE-2011-3389)                     no SSL3 or TLS1 (OK)
 LUCKY13 (CVE-2013-0169), experimental     not vulnerable (OK)
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)

 Testing ciphers per protocol via OpenSSL plus sockets against the server, ordered by encryption strength

Hexcode  Cipher Suite Name (OpenSSL)       KeyExch.   Encryption  Bits     Cipher Suite Name (IANA/RFC)
-----------------------------------------------------------------------------------------------------------------------------
SSLv2
SSLv3
TLS 1
TLS 1.1
TLS 1.2
 xc030   ECDHE-RSA-AES256-GCM-SHA384       ECDH 253   AESGCM      256      TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
 xc02c   ECDHE-ECDSA-AES256-GCM-SHA384     ECDH 253   AESGCM      256      TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
 xcca9   ECDHE-ECDSA-CHACHA20-POLY1305     ECDH 253   ChaCha20    256      TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
 xcca8   ECDHE-RSA-CHACHA20-POLY1305       ECDH 253   ChaCha20    256      TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
 xc02f   ECDHE-RSA-AES128-GCM-SHA256       ECDH 253   AESGCM      128      TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
 xc02b   ECDHE-ECDSA-AES128-GCM-SHA256     ECDH 253   AESGCM      128      TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
TLS 1.3
 x1302   TLS_AES_256_GCM_SHA384            ECDH 253   AESGCM      256      TLS_AES_256_GCM_SHA384
 x1303   TLS_CHACHA20_POLY1305_SHA256      ECDH 253   ChaCha20    256      TLS_CHACHA20_POLY1305_SHA256
 x1301   TLS_AES_128_GCM_SHA256            ECDH 253   AESGCM      128      TLS_AES_128_GCM_SHA256

 Running client simulations (HTTP) via sockets

 Browser                      Protocol  Cipher Suite Name (OpenSSL)       Forward Secrecy
------------------------------------------------------------------------------------------------
 Android 4.2.2                No connection
 Android 4.4.2                TLSv1.2   ECDHE-RSA-AES256-GCM-SHA384       256 bit ECDH (P-256)
 Android 5.0.0                TLSv1.2   ECDHE-RSA-AES128-GCM-SHA256       256 bit ECDH (P-256)
 Android 6.0                  TLSv1.2   ECDHE-RSA-AES128-GCM-SHA256       256 bit ECDH (P-256)
 Android 7.0                  TLSv1.2   ECDHE-RSA-CHACHA20-POLY1305       253 bit ECDH (X25519)
 Android 8.1 (native)         No connection
 Android 9.0 (native)         TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Chrome 65 Win 7              TLSv1.2   ECDHE-RSA-CHACHA20-POLY1305       253 bit ECDH (X25519)
 Chrome 74 (Win 10)           No connection
 Firefox 62 Win 7             TLSv1.2   ECDHE-RSA-CHACHA20-POLY1305       253 bit ECDH (X25519)
 Firefox 66 (Win 8.1/10)      TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 IE 6 XP                      No connection
 IE 7 Vista                   No connection
 IE 8 Win 7                   No connection
 IE 8 XP                      No connection
 IE 11 Win 7                  No connection
 IE 11 Win 8.1                No connection
 IE 11 Win Phone 8.1          No connection
 IE 11 Win 10                 TLSv1.2   ECDHE-RSA-AES256-GCM-SHA384       256 bit ECDH (P-256)
 Edge 15 Win 10               TLSv1.2   ECDHE-RSA-AES256-GCM-SHA384       253 bit ECDH (X25519)
 Edge 17 (Win 10)             TLSv1.2   ECDHE-RSA-AES256-GCM-SHA384       253 bit ECDH (X25519)
 Opera 60 (Win 10)            No connection
 Safari 9 iOS 9               TLSv1.2   ECDHE-RSA-AES256-GCM-SHA384       256 bit ECDH (P-256)
 Safari 9 OS X 10.11          TLSv1.2   ECDHE-RSA-AES256-GCM-SHA384       256 bit ECDH (P-256)
 Safari 10 OS X 10.12         TLSv1.2   ECDHE-RSA-AES256-GCM-SHA384       256 bit ECDH (P-256)
 Apple ATS 9 iOS 9            TLSv1.2   ECDHE-RSA-AES256-GCM-SHA384       256 bit ECDH (P-256)
 Tor 17.0.9 Win 7             No connection
 Java 6u45                    No connection
 Java 7u25                    No connection
 Java 8u161                   TLSv1.2   ECDHE-ECDSA-AES256-GCM-SHA384     256 bit ECDH (P-256)
 Java 9.0.4                   TLSv1.2   ECDHE-ECDSA-AES256-GCM-SHA384     256 bit ECDH (P-256)
 OpenSSL 1.0.1l               TLSv1.2   ECDHE-ECDSA-AES256-GCM-SHA384     256 bit ECDH (P-256)
 OpenSSL 1.0.2e               TLSv1.2   ECDHE-ECDSA-AES256-GCM-SHA384     256 bit ECDH (P-256)
 OpenSSL 1.1.0j (Debian)      TLSv1.2   ECDHE-RSA-CHACHA20-POLY1305       253 bit ECDH (X25519)
 OpenSSL 1.1.1b (Debian)      TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Thunderbird (60.6)           TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
2019-12-03 22:02:16 +00:00
moneromooo-monero
2d1afceb0d
net_ssl: load default certificates in CA mode on Windows
Because it always does things wonkily doens't it
2019-11-26 19:34:16 +00:00
moneromooo-monero
e896cca86e
epee: reorder a couple init list fields to match declaration
This is a bug waiting to happen
2019-11-25 19:27:54 +00:00
luigi1111
3e3db92303
Merge pull request #6117
0f7c9f4 Gitian Readme: adding android signing & fix v0.15 checksum. (jonathancross)
2019-11-20 09:23:19 -06:00
TheCharlatan
bd6a577880
Gitian: Fix sigs generation 2019-11-20 13:03:41 +01:00
luigi1111
ac0e6f7ecd
Merge pull request #6118
gitian: add FreeBSD support (75c5a04, 607c01a, cca6e5c, 35b5e91, 024a1c7, b14d9ab, 5eea312, 9cbba5a, 2e435df, abeed9a) (hyc)
2019-11-18 13:21:08 -06:00
Howard Chu
abeed9a767
"Fix" non-determinism in native_cctools build
By omitting the otool binary which is built non-deterministically.
We don't use it anyway.
2019-11-18 09:18:00 +00:00
Howard Chu
2e435dfe76
Fixup compiled python in OSX 2019-11-17 13:44:18 +00:00
Howard Chu
9cbba5a8ec
Fix unwind library ordering
Sort objects being archived
2019-11-17 13:44:18 +00:00
Howard Chu
5eea312f6d
Fixup sodium darwin
get rid of sodium-darwin.mk special case, unify back with sodium.mk
2019-11-17 13:44:18 +00:00
Howard Chu
b14d9abca9
Use standard time for depends caches
streamline, remove obsolete wrappers
2019-11-17 13:44:18 +00:00
Howard Chu
024a1c7ddf
Add ARFLAGS
Needed to invoke deterministic mode on some archivers
2019-11-17 13:44:07 +00:00
moneromooo-monero
6efeefbca2
epee: set application/json MIME type on json errors 2019-11-15 19:39:20 +00:00
moneromooo-monero
feef1c6aac
epee: fix peer ids being truncated on display 2019-11-14 18:27:12 +00:00
Howard Chu
35b5e917aa
gitian: add FreeBSD 2019-11-14 07:03:04 +00:00
Howard Chu
cca6e5c645
depends: Add FreeBSD support 2019-11-14 07:03:04 +00:00
Howard Chu
607c01aa56
gitian: Parametrize target platforms 2019-11-14 07:03:04 +00:00
Bert Peters
b2ad757f48 Replace memset with memwipe. 2019-11-13 18:00:50 +01:00
xiphon
584d057f74 epee: fix console_handlers_binder race, wait for thread to finish 2019-11-12 16:07:59 +00:00
moneromooo-monero
3d649d528a
epee: close connection when the peer has done so
This fixes rapid reconnections failing as the peer hasn't yet
worked out the other side is gone, and will reject "duplicate"
connections until a timeout.
2019-11-11 20:05:24 +00:00
Howard Chu
75c5a04ca5
gitian: Update to latest gitian-builder 2019-11-11 08:35:53 +00:00
Jonathan Cross
0f7c9f4f31
Gitian Readme: adding android signing & fix v0.15 checksum. 2019-11-11 00:41:59 +01:00
Riccardo Spagni
a48ef0a65a
Merge pull request #6088
e8c5ab515 gitian: fix out dir location (iDunk5400)
2019-11-04 06:14:05 -08:00
iDunk5400
e8c5ab5155
gitian: fix out dir location 2019-11-04 10:25:54 +01:00
Howard Chu
5b78c27c50
Copy LICENSE to all archives 2019-11-04 05:05:38 +00:00
selsta
2bfd41b29c
depends: fix typo in packages 2019-11-04 00:08:00 +01:00
Riccardo Spagni
06b0441762
Merge pull request #6074
38f691048 simplewallet: plug a timing leak (moneromooo-monero)
dcff02e4c epee: allow a random component in once_a_time timeouts (moneromooo-monero)
e10833024 wallet: reuse cached height when set after refresh (moneromooo-monero)
5956beaa1 wallet2: fix is_synced checking target height, not height (moneromooo-monero)
fd35e2304 wallet: fix another facet of "did I get some monero" information leak (moneromooo-monero)
d5472bd87 wallet2: do not send an unnecessary last getblocks.bin call on refresh (moneromooo-monero)
97ae7bb5c wallet2: do not repeatedly ask for pool txes sent to us (moneromooo-monero)
2019-11-03 14:52:16 -08:00
Riccardo Spagni
f6201081fa
Merge pull request #6077
240dbb124 gitian: add --rebuild option (Howard Chu)
643860776 Add Android support (Howard Chu)
2019-11-03 14:51:52 -08:00
Howard Chu
240dbb1243
gitian: add --rebuild option
Avoids delays when sourceforge is slow to respond; allows rebuilding
when disconnected from networks.
2019-11-03 21:14:45 +00:00
Howard Chu
643860776e
Add Android support 2019-11-03 21:14:45 +00:00
Howard Chu
436e4c3363
Fix readline build
Make sure it links to our libtinfo from our ncurses build.
Hardcode some basic terminal descriptions into our libtinfo.
Re-enable $HOME/.terminfo support to allow user customization.
Use unlikely terminfo-dir, to prevent accidentally using
differently-configured system databases.
2019-11-03 19:03:31 +00:00
Lee Clagett
5d7ae2d279 Adding support for hidden (anonymity) txpool 2019-11-02 20:36:03 +00:00
Riccardo Spagni
4ad0f00385
Merge pull request #6079
e4d1674e8 0.15.0.0 release engineering (Riccardo Spagni)
2019-11-02 17:32:39 +02:00
Riccardo Spagni
e4d1674e8c
0.15.0.0 release engineering 2019-11-02 17:21:52 +02:00
moneromooo-monero
dcff02e4c3
epee: allow a random component in once_a_time timeouts 2019-11-01 20:57:24 +00:00
Riccardo Spagni
78e59f531e
Merge pull request #6059
45b6b6038 Updating gitian yml files for v0.15 (Jonathan Cross)
2019-11-01 16:59:20 +02:00
Jonathan Cross
45b6b60385
Updating gitian yml files for v0.15 2019-10-31 17:36:47 +01:00
luigi1111
bae49e9fbd
Merge pull request #6022
dd28383 depends: bump cppzmq version to 4.4.1 (anonimal)
157b3fc depends: bump zeromq version to 4.1.7 (anonimal)
2019-10-25 13:54:15 -05:00
luigi1111
960c215801
Merge pull request #5357
b3a9a4d add a quick early out to get_blocks.bin when up to date (moneromooo-monero)
2899379 daemon, wallet: new pay for RPC use system (moneromooo-monero)
ffa4602 simplewallet: add public_nodes command (moneromooo-monero)
2019-10-25 13:38:21 -05:00
moneromooo-monero
2899379791
daemon, wallet: new pay for RPC use system
Daemons intended for public use can be set up to require payment
in the form of hashes in exchange for RPC service. This enables
public daemons to receive payment for their work over a large
number of calls. This system behaves similarly to a pool, so
payment takes the form of valid blocks every so often, yielding
a large one off payment, rather than constant micropayments.

This system can also be used by third parties as a "paywall"
layer, where users of a service can pay for use by mining Monero
to the service provider's address. An example of this for web
site access is Primo, a Monero mining based website "paywall":
https://github.com/selene-kovri/primo

This has some advantages:
 - incentive to run a node providing RPC services, thereby promoting the availability of third party nodes for those who can't run their own
 - incentive to run your own node instead of using a third party's, thereby promoting decentralization
 - decentralized: payment is done between a client and server, with no third party needed
 - private: since the system is "pay as you go", you don't need to identify yourself to claim a long lived balance
 - no payment occurs on the blockchain, so there is no extra transactional load
 - one may mine with a beefy server, and use those credits from a phone, by reusing the client ID (at the cost of some privacy)
 - no barrier to entry: anyone may run a RPC node, and your expected revenue depends on how much work you do
 - Sybil resistant: if you run 1000 idle RPC nodes, you don't magically get more revenue
 - no large credit balance maintained on servers, so they have no incentive to exit scam
 - you can use any/many node(s), since there's little cost in switching servers
 - market based prices: competition between servers to lower costs
 - incentive for a distributed third party node system: if some public nodes are overused/slow, traffic can move to others
 - increases network security
 - helps counteract mining pools' share of the network hash rate
 - zero incentive for a payer to "double spend" since a reorg does not give any money back to the miner

And some disadvantages:
 - low power clients will have difficulty mining (but one can optionally mine in advance and/or with a faster machine)
 - payment is "random", so a server might go a long time without a block before getting one
 - a public node's overall expected payment may be small

Public nodes are expected to compete to find a suitable level for
cost of service.

The daemon can be set up this way to require payment for RPC services:

  monerod --rpc-payment-address 4xxxxxx \
    --rpc-payment-credits 250 --rpc-payment-difficulty 1000

These values are an example only.

The --rpc-payment-difficulty switch selects how hard each "share" should
be, similar to a mining pool. The higher the difficulty, the fewer
shares a client will find.
The --rpc-payment-credits switch selects how many credits are awarded
for each share a client finds.
Considering both options, clients will be awarded credits/difficulty
credits for every hash they calculate. For example, in the command line
above, 0.25 credits per hash. A client mining at 100 H/s will therefore
get an average of 25 credits per second.
For reference, in the current implementation, a credit is enough to
sync 20 blocks, so a 100 H/s client that's just starting to use Monero
and uses this daemon will be able to sync 500 blocks per second.

The wallet can be set to automatically mine if connected to a daemon
which requires payment for RPC usage. It will try to keep a balance
of 50000 credits, stopping mining when it's at this level, and starting
again as credits are spent. With the example above, a new client will
mine this much credits in about half an hour, and this target is enough
to sync 500000 blocks (currently about a third of the monero blockchain).

There are three new settings in the wallet:

 - credits-target: this is the amount of credits a wallet will try to
reach before stopping mining. The default of 0 means 50000 credits.

 - auto-mine-for-rpc-payment-threshold: this controls the minimum
credit rate which the wallet considers worth mining for. If the
daemon credits less than this ratio, the wallet will consider mining
to be not worth it. In the example above, the rate is 0.25

 - persistent-rpc-client-id: if set, this allows the wallet to reuse
a client id across runs. This means a public node can tell a wallet
that's connecting is the same as one that connected previously, but
allows a wallet to keep their credit balance from one run to the
other. Since the wallet only mines to keep a small credit balance,
this is not normally worth doing. However, someone may want to mine
on a fast server, and use that credit balance on a low power device
such as a phone. If left unset, a new client ID is generated at
each wallet start, for privacy reasons.

To mine and use a credit balance on two different devices, you can
use the --rpc-client-secret-key switch. A wallet's client secret key
can be found using the new rpc_payments command in the wallet.
Note: anyone knowing your RPC client secret key is able to use your
credit balance.

The wallet has a few new commands too:

 - start_mining_for_rpc: start mining to acquire more credits,
regardless of the auto mining settings
 - stop_mining_for_rpc: stop mining to acquire more credits
 - rpc_payments: display information about current credits with
the currently selected daemon

The node has an extra command:

 - rpc_payments: display information about clients and their
balances

The node will forget about any balance for clients which have
been inactive for 6 months. Balances carry over on node restart.
2019-10-25 09:34:38 +00:00