From 5aa50a421571104d9fac5228c10e8fcbb579c9fb Mon Sep 17 00:00:00 2001
From: Tanguy Pruvot <tanguy.pruvot@gmail.com>
Date: Thu, 13 Jul 2017 19:39:47 +0200
Subject: [PATCH] equihash: use client.show_message to get block height

current stratum is imcomplete and doesnt provide the coinbase data
---
 ccminer.vcxproj       |  3 ++-
 equi/equi-stratum.cpp | 32 ++++++++++++++++++++++++++++++++
 miner.h               |  1 +
 util.cpp              |  3 +++
 4 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/ccminer.vcxproj b/ccminer.vcxproj
index 8df2652..552c595 100644
--- a/ccminer.vcxproj
+++ b/ccminer.vcxproj
@@ -297,6 +297,7 @@
       <CodeGeneration>compute_52,sm_52;compute_50,sm_50;compute_30,sm_30</CodeGeneration>
       <AdditionalOptions> -Xptxas -dlcm=ca -Xptxas -dscm=cs %(AdditionalOptions)</AdditionalOptions>
       <MaxRegCount>0</MaxRegCount>
+      <CodeGeneration Condition="'$(Configuration)|$(Platform)'=='Release|x64'">compute_61,sm_61;compute_52,sm_52;compute_50,sm_50;compute_30,sm_30</CodeGeneration>
     </CudaCompile>
     <CudaCompile Include="neoscrypt\cuda_neoscrypt.cu">
       <MaxRegCount>160</MaxRegCount>
@@ -599,4 +600,4 @@
   <Target Name="AfterClean">
     <Delete Files="@(FilesToCopy->'$(OutDir)%(Filename)%(Extension)')" TreatErrorsAsWarnings="true" />
   </Target>
-</Project>
+</Project>
diff --git a/equi/equi-stratum.cpp b/equi/equi-stratum.cpp
index c9f6587..83e67ab 100644
--- a/equi/equi-stratum.cpp
+++ b/equi/equi-stratum.cpp
@@ -185,6 +185,38 @@ out:
 	return ret;
 }
 
+// equihash stratum protocol is not standard, use client.show_message to pass block height
+bool equi_stratum_show_message(struct stratum_ctx *sctx, json_t *id, json_t *params)
+{
+	char *s;
+	json_t *val;
+	bool ret;
+
+	val = json_array_get(params, 0);
+	if (val) {
+		const char* data = json_string_value(val);
+		if (data && strlen(data)) {
+			char symbol[32] = { 0 };
+			int ss = sscanf(data, "equihash %s block %u", symbol, &sctx->job.height);
+			if (opt_debug && ss > 1) applog(LOG_DEBUG, "%s", data);
+		}
+	}
+
+	if (!id || json_is_null(id))
+		return true;
+
+	val = json_object();
+	json_object_set(val, "id", id);
+	json_object_set_new(val, "error", json_null());
+	json_object_set_new(val, "result", json_true());
+	s = json_dumps(val, 0);
+	ret = stratum_send_line(sctx, s);
+	json_decref(val);
+	free(s);
+
+	return ret;
+}
+
 void equi_store_work_solution(struct work* work, uint32_t* hash, void* sol_data)
 {
 	int nonce = work->valid_nonces-1;
diff --git a/miner.h b/miner.h
index 492b6a9..f3406dd 100644
--- a/miner.h
+++ b/miner.h
@@ -815,6 +815,7 @@ bool rpc2_stratum_authorize(struct stratum_ctx *sctx, const char *user, const ch
 bool equi_stratum_notify(struct stratum_ctx *sctx, json_t *params);
 bool equi_stratum_set_target(struct stratum_ctx *sctx, json_t *params);
 bool equi_stratum_submit(struct pool_infos *pool, struct work *work);
+bool equi_stratum_show_message(struct stratum_ctx *sctx, json_t *id, json_t *params);
 void equi_work_set_target(struct work* work, double diff);
 void equi_store_work_solution(struct work* work, uint32_t* hash, void* sol_data);
 int equi_verify_sol(void * const hdr, void * const sol);
diff --git a/util.cpp b/util.cpp
index 954f6b0..99187fd 100644
--- a/util.cpp
+++ b/util.cpp
@@ -1782,6 +1782,9 @@ static bool stratum_show_message(struct stratum_ctx *sctx, json_t *id, json_t *p
 	json_t *val;
 	bool ret;
 
+	if (sctx->is_equihash)
+		return equi_stratum_show_message(sctx, id, params);
+
 	val = json_array_get(params, 0);
 	if (val)
 		applog(LOG_NOTICE, "MESSAGE FROM SERVER: %s", json_string_value(val));