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105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
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#include "stratum.h"
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double client_normalize_difficulty(double difficulty)
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{
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if(difficulty <= 0.001) difficulty = 0.001;
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else if(difficulty < 1) difficulty = floor(difficulty*1000/2)/1000*2;
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else if(difficulty > 1) difficulty = floor(difficulty/2)*2;
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return difficulty;
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}
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void client_record_difficulty(YAAMP_CLIENT *client)
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{
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if(client->difficulty_remote)
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{
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client->last_submit_time = current_timestamp();
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return;
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}
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int e = current_timestamp() - client->last_submit_time;
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if(e < 500) e = 500;
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int p = 5;
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client->shares_per_minute = (client->shares_per_minute * (100 - p) + 60*1000*p/e) / 100;
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client->last_submit_time = current_timestamp();
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// debuglog("client->shares_per_minute %f\n", client->shares_per_minute);
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}
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void client_change_difficulty(YAAMP_CLIENT *client, double difficulty)
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{
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if(difficulty <= 0) return;
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difficulty = client_normalize_difficulty(difficulty);
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if(difficulty <= 0) return;
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// debuglog("change diff to %f %f\n", difficulty, client->difficulty_actual);
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if(difficulty == client->difficulty_actual) return;
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uint64_t user_target = diff_to_target(difficulty);
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if(user_target >= YAAMP_MINDIFF && user_target <= YAAMP_MAXDIFF)
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{
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client->difficulty_actual = difficulty;
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client_send_difficulty(client, difficulty);
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}
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}
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void client_adjust_difficulty(YAAMP_CLIENT *client)
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{
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if(client->difficulty_remote)
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{
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client_change_difficulty(client, client->difficulty_remote);
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return;
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}
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if(client->shares_per_minute > 600)
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client_change_difficulty(client, client->difficulty_actual*4);
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else if(client->difficulty_fixed)
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return;
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else if(client->shares_per_minute > 25)
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client_change_difficulty(client, client->difficulty_actual*2);
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else if(client->shares_per_minute > 20)
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client_change_difficulty(client, client->difficulty_actual*1.5);
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else if(client->shares_per_minute < 5)
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client_change_difficulty(client, client->difficulty_actual/2);
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}
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int client_send_difficulty(YAAMP_CLIENT *client, double difficulty)
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{
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// debuglog("%s diff %f\n", client->sock->ip, difficulty);
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client->shares_per_minute = YAAMP_SHAREPERSEC;
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if(difficulty >= 1)
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client_call(client, "mining.set_difficulty", "[%.0f]", difficulty);
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else
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client_call(client, "mining.set_difficulty", "[%.3f]", difficulty);
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}
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void client_initialize_difficulty(YAAMP_CLIENT *client)
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{
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char *p = strstr(client->password, "d=");
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if(!p) return;
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double diff = client_normalize_difficulty(atof(p+2));
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uint64_t user_target = diff_to_target(diff);
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// debuglog("%016llx target\n", user_target);
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if(user_target >= YAAMP_MINDIFF && user_target <= YAAMP_MAXDIFF)
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{
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client->difficulty_actual = diff;
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client->difficulty_fixed = true;
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}
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}
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