From e2a909968c3c96b72ba74a77c776c2c65f2dbbf2 Mon Sep 17 00:00:00 2001
From: Prisca Chidimma Maduka <prisca.priceless11@gmail.com>
Date: Thu, 24 Jul 2025 15:03:01 +0100
Subject: [PATCH] Use suggest difficulty

---
 Cargo.lock                              | 167 +++++++++++++-----------
 src/translator/downstream/downstream.rs |   9 ++
 2 files changed, 100 insertions(+), 76 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index e45e32f3..e4ebe28c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -240,15 +240,14 @@ checksum = "d965446196e3b7decd44aa7ee49e31d630118f90ef12f97900f262eb915c951d"
 [[package]]
 name = "binary_codec_sv2"
 version = "2.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "buffer_sv2",
+ "hex",
 ]
 
 [[package]]
 name = "binary_sv2"
 version = "2.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_codec_sv2",
  "derive_codec_sv2",
@@ -381,16 +380,15 @@ dependencies = [
 [[package]]
 name = "buffer_sv2"
 version = "2.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "aes-gcm",
 ]
 
 [[package]]
 name = "bumpalo"
-version = "3.18.1"
+version = "3.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "793db76d6187cd04dff33004d8e6c9cc4e05cd330500379d2394209271b4aeee"
+checksum = "46c5e41b57b8bba42a04676d81cb89e9ee8e859a1a66f80a5a72e1cb76b34d43"
 
 [[package]]
 name = "byte-slice-cast"
@@ -412,9 +410,9 @@ checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
 
 [[package]]
 name = "cc"
-version = "1.2.27"
+version = "1.2.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d487aa071b5f64da6f19a3e848e3578944b726ee5a4854b82172f02aa876bfdc"
+checksum = "deec109607ca693028562ed836a5f1c4b8bd77755c4e132fc5ce11b0b6211ae7"
 dependencies = [
  "shlex",
 ]
@@ -468,9 +466,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.40"
+version = "4.5.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40b6887a1d8685cebccf115538db5c0efe625ccac9696ad45c409d96566e910f"
+checksum = "be92d32e80243a54711e5d7ce823c35c41c9d929dc4ab58e1276f625841aadf9"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -478,9 +476,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.40"
+version = "4.5.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0c66c08ce9f0c698cbce5c0279d0bb6ac936d8674174fe48f736533b964f59e"
+checksum = "707eab41e9622f9139419d573eca0900137718000c517d47da73045f54331c3d"
 dependencies = [
  "anstream",
  "anstyle",
@@ -490,9 +488,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.40"
+version = "4.5.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2c7947ae4cc3d851207c1adb5b5e260ff0cca11446b1d6d1423788e442257ce"
+checksum = "ef4f52386a59ca4c860f7393bcf8abd8dfd91ecccc0f774635ff68e92eeef491"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -509,11 +507,10 @@ checksum = "b94f61472cee1439c0b966b47e3aca9ae07e45d070759512cd390ea2bebc6675"
 [[package]]
 name = "codec_sv2"
 version = "2.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
- "const_sv2",
+ "const_sv2 3.0.0",
  "framing_sv2",
  "noise_sv2",
  "rand 0.8.5",
@@ -529,10 +526,9 @@ checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
 [[package]]
 name = "common_messages_sv2"
 version = "4.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_sv2",
- "const_sv2",
+ "const_sv2 3.0.0",
 ]
 
 [[package]]
@@ -577,7 +573,11 @@ dependencies = [
 [[package]]
 name = "const_sv2"
 version = "3.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
+
+[[package]]
+name = "const_sv2"
+version = "3.0.0"
+source = "git+https://github.com/demand-open-source/stratum#841d69104dfab35e111d0a226782ef25812aa80f"
 
 [[package]]
 name = "core-foundation"
@@ -631,9 +631,9 @@ checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 
 [[package]]
 name = "crunchy"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43da5946c66ffcc7745f48db692ffbb10a83bfe0afd96235c5c2a4fb23994929"
+checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
 
 [[package]]
 name = "crypto-common"
@@ -751,7 +751,7 @@ source = "git+https://github.com/demand-open-source/demand-sv2-connection#edeb67
 dependencies = [
  "binary_sv2",
  "codec_sv2",
- "const_sv2",
+ "const_sv2 3.0.0 (git+https://github.com/demand-open-source/stratum)",
  "futures",
  "tokio",
  "tracing",
@@ -770,7 +770,6 @@ dependencies = [
 [[package]]
 name = "derive_codec_sv2"
 version = "2.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_codec_sv2",
 ]
@@ -817,9 +816,9 @@ dependencies = [
 
 [[package]]
 name = "ed25519-dalek"
-version = "2.1.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a3daa8e81a3963a60642bcc1f90a670680bd4a77535faa384e9d1c79d620871"
+checksum = "70e796c081cee67dc755e1a36a0a172b897fab85fc3f6bc48307991f64e4eca9"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
@@ -936,11 +935,10 @@ dependencies = [
 [[package]]
 name = "framing_sv2"
 version = "4.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
- "const_sv2",
+ "const_sv2 3.0.0",
 ]
 
 [[package]]
@@ -1093,9 +1091,9 @@ checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
 [[package]]
 name = "h2"
-version = "0.4.10"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9421a676d1b147b16b82c9225157dc629087ef8ec4d5e2960f9437a90dac0a5"
+checksum = "17da50a276f1e01e0ba6c029e47b7100754904ee8a278f886546e98575380785"
 dependencies = [
  "atomic-waker",
  "bytes",
@@ -1266,9 +1264,9 @@ dependencies = [
 
 [[package]]
 name = "hyper-util"
-version = "0.1.14"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc2fdfdbff08affe55bb779f33b053aa1fe5dd5b54c257343c17edfa55711bdb"
+checksum = "8d9b05277c7e8da2c93a568989bb6207bef0112e8d17df7a6eda4a3cf143bc5e"
 dependencies = [
  "base64",
  "bytes",
@@ -1282,7 +1280,7 @@ dependencies = [
  "libc",
  "percent-encoding",
  "pin-project-lite",
- "socket2",
+ "socket2 0.6.0",
  "system-configuration",
  "tokio",
  "tower-service",
@@ -1419,9 +1417,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.9.0"
+version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cea70ddb795996207ad57735b50c5982d8844f38ba9ee5f1aedcfb708a2aa11e"
+checksum = "fe4cd85333e22411419a0bcae1297d25e58c9443848b11dc6a86fefe8c78a661"
 dependencies = [
  "equivalent",
  "hashbrown 0.15.4",
@@ -1449,6 +1447,17 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "io-uring"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d93587f37623a1a17d94ef2bc9ada592f5465fe7732084ab7beefabe5c77c0c4"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "libc",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.11.0"
@@ -1500,10 +1509,9 @@ dependencies = [
 [[package]]
 name = "job_declaration_sv2"
 version = "3.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_sv2",
- "const_sv2",
+ "const_sv2 3.0.0",
 ]
 
 [[package]]
@@ -1543,9 +1551,9 @@ checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
 [[package]]
 name = "libredox"
-version = "0.1.3"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0ff37bd590ca25063e35af745c343cb7a0271906fb7b37e4813e8f79f00268d"
+checksum = "4488594b9328dee448adb906d8b126d9b7deb7cf5c22161ee591610bb1be83c0"
 dependencies = [
  "bitflags",
  "libc",
@@ -1616,10 +1624,10 @@ checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 [[package]]
 name = "mining_sv2"
 version = "3.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_sv2",
- "const_sv2",
+ "const_sv2 3.0.0",
+ "hex",
 ]
 
 [[package]]
@@ -1668,11 +1676,10 @@ checksum = "2bf50223579dc7cdcfb3bfcacf7069ff68243f8c363f62ffa99cf000a6b9c451"
 [[package]]
 name = "noise_sv2"
 version = "1.2.1"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "aes-gcm",
  "chacha20poly1305",
- "const_sv2",
+ "const_sv2 3.0.0",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
  "secp256k1 0.28.2",
@@ -1981,7 +1988,7 @@ dependencies = [
  "quinn-udp",
  "rustc-hash",
  "rustls",
- "socket2",
+ "socket2 0.5.10",
  "thiserror",
  "tokio",
  "tracing",
@@ -1997,7 +2004,7 @@ dependencies = [
  "bytes",
  "getrandom 0.3.3",
  "lru-slab",
- "rand 0.9.1",
+ "rand 0.9.2",
  "ring",
  "rustc-hash",
  "rustls",
@@ -2018,7 +2025,7 @@ dependencies = [
  "cfg_aliases",
  "libc",
  "once_cell",
- "socket2",
+ "socket2 0.5.10",
  "tracing",
  "windows-sys 0.59.0",
 ]
@@ -2057,9 +2064,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fbfd9d094a40bf3ae768db9361049ace4c0e04a4fd6b359518bd7b73a73dd97"
+checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
  "rand_chacha 0.9.0",
  "rand_core 0.9.3",
@@ -2125,9 +2132,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.5.13"
+version = "0.5.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d04b7d0ee6b4a0207a0a7adb104d23ecb0b47d6beae7152d0fa34b692b29fd6"
+checksum = "7e8af0dde094006011e6a740d4879319439489813bd0bcdc7d821beaeeff48ec"
 dependencies = [
  "bitflags",
 ]
@@ -2178,9 +2185,9 @@ checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
 [[package]]
 name = "reqwest"
-version = "0.12.20"
+version = "0.12.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eabf4c97d9130e2bf606614eb937e86edac8292eaa6f422f995d7e8de1eb1813"
+checksum = "cbc931937e6ca3a06e3b6c0aa7841849b160a90351d6ab467a8b9b9959767531"
 dependencies = [
  "base64",
  "bytes",
@@ -2239,12 +2246,11 @@ dependencies = [
 [[package]]
 name = "roles_logic_sv2"
 version = "3.2.1"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_sv2",
  "chacha20poly1305",
  "common_messages_sv2",
- "const_sv2",
+ "const_sv2 3.0.0",
  "framing_sv2",
  "hex-conservative 0.3.0",
  "job_declaration_sv2",
@@ -2286,22 +2292,22 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c71e83d6afe7ff64890ec6b71d6a69bb8a610ab78ce364b3352876bb4c801266"
+checksum = "11181fbabf243db407ef8df94a6ce0b2f9a733bd8be4ad02b4eda9602296cac8"
 dependencies = [
  "bitflags",
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.59.0",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
 name = "rustls"
-version = "0.23.28"
+version = "0.23.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7160e3e10bf4535308537f3c4e1641468cd0e485175d6163087c0393c7d46643"
+checksum = "2491382039b29b9b11ff08b76ff6c97cf287671dbb74f0be44bda389fffe9bd1"
 dependencies = [
  "once_cell",
  "ring",
@@ -2323,9 +2329,9 @@ dependencies = [
 
 [[package]]
 name = "rustls-webpki"
-version = "0.103.3"
+version = "0.103.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4a72fe2bcf7a6ac6fd7d0b9e5cb68aeb7d4c0a0271730218b3e92d43b4eb435"
+checksum = "0a17884ae0c1b773f1ccd2bd4a8c72f16da897310a98b0e84bf349ad5ead92fc"
 dependencies = [
  "ring",
  "rustls-pki-types",
@@ -2483,9 +2489,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.140"
+version = "1.0.141"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
+checksum = "30b9eff21ebe718216c6ec64e1d9ac57087aad11efc64e32002bce4a0d4c03d3"
 dependencies = [
  "itoa",
  "memchr",
@@ -2610,6 +2616,16 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233504af464074f9d066d7b5416c5f9b894a5862a6506e306f7b816cdd6f1807"
+dependencies = [
+ "libc",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "spki"
 version = "0.7.3"
@@ -2635,7 +2651,6 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 [[package]]
 name = "stratum-common"
 version = "1.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "bitcoin",
  "secp256k1 0.28.2",
@@ -2656,7 +2671,6 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 [[package]]
 name = "sv1_api"
 version = "1.0.1"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_sv2",
  "bitcoin_hashes 0.3.2",
@@ -2766,10 +2780,9 @@ dependencies = [
 [[package]]
 name = "template_distribution_sv2"
 version = "3.0.0"
-source = "git+https://github.com/demand-open-source/stratum#e1f92c76ceed09d29764b68d8351e9859f52f605"
 dependencies = [
  "binary_sv2",
- "const_sv2",
+ "const_sv2 3.0.0",
 ]
 
 [[package]]
@@ -2828,18 +2841,20 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.45.1"
+version = "1.46.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75ef51a33ef1da925cea3e4eb122833cb377c61439ca401b770f54902b806779"
+checksum = "0cc3a2344dafbe23a245241fe8b09735b521110d30fcefbbd5feb1797ca35d17"
 dependencies = [
  "backtrace",
  "bytes",
+ "io-uring",
  "libc",
  "mio",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2",
+ "slab",
+ "socket2 0.5.10",
  "tokio-macros",
  "tracing",
  "windows-sys 0.52.0",
@@ -3260,9 +3275,9 @@ dependencies = [
 
 [[package]]
 name = "webpki-roots"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8782dd5a41a24eed3a4f40b606249b3e236ca61adf1f25ea4d45c73de122b502"
+checksum = "7e8983c3ab33d6fb807cfcdad2491c4ea8cbc8ed839181c7dfd9c67c83e261b2"
 dependencies = [
  "rustls-pki-types",
 ]
@@ -3341,9 +3356,9 @@ checksum = "5e6ad25900d524eaabdbbb96d20b4311e1e7ae1699af4fb28c17ae66c80d798a"
 
 [[package]]
 name = "windows-registry"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3bab093bdd303a1240bb99b8aba8ea8a69ee19d34c9e2ef9594e708a4878820"
+checksum = "5b8a9ed28765efc97bbc954883f4e6796c33a06546ebafacbabee9696967499e"
 dependencies = [
  "windows-link",
  "windows-result 0.3.4",
@@ -3534,9 +3549,9 @@ checksum = "271414315aff87387382ec3d271b52d7ae78726f5d44ac98b4f4030c91880486"
 
 [[package]]
 name = "winnow"
-version = "0.7.11"
+version = "0.7.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74c7b26e3480b707944fc872477815d29a8e429d2f93a1ce000f5fa84a15cbcd"
+checksum = "f3edebf492c8125044983378ecb5766203ad3b4c2f7a922bd7dd207f6d443e95"
 dependencies = [
  "memchr",
 ]
@@ -3567,9 +3582,9 @@ dependencies = [
 
 [[package]]
 name = "xattr"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d65cbf2f12c15564212d48f4e3dfb87923d25d611f2aed18f4cb23f0413d89e"
+checksum = "af3a19837351dc82ba89f8a125e22a3c475f05aba604acc023d62b2739ae2909"
 dependencies = [
  "libc",
  "rustix",
diff --git a/src/translator/downstream/downstream.rs b/src/translator/downstream/downstream.rs
index 61d3dc68..c9d70ce7 100644
--- a/src/translator/downstream/downstream.rs
+++ b/src/translator/downstream/downstream.rs
@@ -504,6 +504,15 @@ impl IsServer<'static> for Downstream {
         }
     }
 
+    fn handle_suggest_difficulty(&mut self, request: &client_to_server::SuggestDifficulty) {
+        info!(
+            "Received mining.suggest_difficulty: {:?} from downstream {}",
+            &request, self.connection_id
+        );
+        self.difficulty_mgmt.current_difficulties.clear(); // Clear the initial difficulty
+        self.difficulty_mgmt
+            .add_difficulty(request.difficulty as f32);
+    }
     /// Indicates to the server that the client supports the mining.set_extranonce method.
     fn handle_extranonce_subscribe(&self) {}