Fixes AC for 1min setting

test/BUILD.gn

@@ -88,6 +88,7 @@ test("brave_unit_tests") {
     sources += [
       "//brave/vendor/bat-native-ledger/src/bat_get_media_unittest.cc",
       "//brave/vendor/bat-native-ledger/src/bat_helper_unittest.cc",
+      "//brave/vendor/bat-native-ledger/src/bat_publishers_unittest.cc",
       "//brave/vendor/bat-native-ledger/src/test/niceware_partial_unittest.cc",
       "//brave/components/brave_rewards/browser/publisher_info_database_unittest.cc",
       "//brave/vendor/bat-native-usermodel/test/usermodel_unittest.cc",

vendor/bat-native-ledger/src/bat_helper.cc

@@ -614,7 +614,7 @@ static bool ignore_ = false;
     allow_videos_ = state.allow_videos_;
     monthly_balances_ = state.monthly_balances_;
     recurring_donation_ = state.recurring_donation_;
-    migrate_score = state.migrate_score;
+    migrate_score_2 = state.migrate_score_2;
   }
 
   PUBLISHER_STATE_ST::~PUBLISHER_STATE_ST() {}
@@ -677,10 +677,10 @@ static bool ignore_ = false;
         }
       }
 
-      if (d.HasMember("migrate_score") && d["migrate_score"].IsBool()) {
-        migrate_score = d["migrate_score"].GetBool();
+      if (d.HasMember("migrate_score_2") && d["migrate_score_2"].IsBool()) {
+        migrate_score_2 = d["migrate_score_2"].GetBool();
       } else {
-        migrate_score = true;
+        migrate_score_2 = true;
       }
     }
 
@@ -729,8 +729,8 @@ static bool ignore_ = false;
 
     writer.EndArray();
 
-    writer.String("migrate_score");
-    writer.Bool(data.migrate_score);
+    writer.String("migrate_score_2");
+    writer.Bool(data.migrate_score_2);
 
     writer.EndObject();
   }

vendor/bat-native-ledger/src/bat_helper.h

@@ -226,7 +226,7 @@ namespace braveledger_bat_helper {
     bool allow_videos_ = true;
     std::map<std::string, REPORT_BALANCE_ST> monthly_balances_;
     std::map<std::string, double> recurring_donation_;
-    bool migrate_score = false;
+    bool migrate_score_2 = false;
   };
 
   struct PUBLISHER_ST {

vendor/bat-native-ledger/src/bat_publishers.cc

@@ -41,20 +41,22 @@ BatPublishers::BatPublishers(bat_ledger::LedgerImpl* ledger):
 BatPublishers::~BatPublishers() {
 }
 
-void BatPublishers::calcScoreConsts(const uint64_t& min_duration) {
-  uint64_t min_duration_ms = min_duration *
-      braveledger_ledger::_milliseconds_second;
-  a_ = (1.0 / (braveledger_ledger::_d * 2.0)) - min_duration_ms;
+void BatPublishers::calcScoreConsts(const uint64_t& min_duration_seconds) {
+  // we increase duration for 100 to keep it as close to muon implementation
+  // as possible (we used 1000 in muon)
+  // keeping it with only seconds visits are not spaced out equally
+  uint64_t min_duration_big = min_duration_seconds * 100;
+  a_ = (1.0 / (braveledger_ledger::_d * 2.0)) - min_duration_big;
   a2_ = a_ * 2.0;
   a4_ = a2_ * 2.0;
-  b_ = min_duration_ms - a_;
+  b_ = min_duration_big - a_;
   b2_ = b_ * b_;
 }
 
 // courtesy of @dimitry-xyz: https://github.com/brave/ledger/issues/2#issuecomment-221752002
-double BatPublishers::concaveScore(const uint64_t& duration) {
-  uint64_t duration_ms = duration * braveledger_ledger::_milliseconds_second;
-  return (-b_ + std::sqrt(b2_ + (a4_ * duration_ms))) / a2_;
+double BatPublishers::concaveScore(const uint64_t& duration_seconds) {
+  uint64_t duration_big = duration_seconds * 100;
+  return (-b_ + std::sqrt(b2_ + (a4_ * duration_big))) / a2_;
 }
 
 std::string getProviderName(const std::string& publisher_id) {
@@ -431,6 +433,7 @@ void BatPublishers::OnRestorePublishersInternal(bool success) {
 
 void BatPublishers::setPublisherMinVisitTime(const uint64_t& duration) { // In seconds
   state_->min_publisher_duration_ = duration;
+  calcScoreConsts(duration);
   SynopsisNormalizer();
   saveState();
 }
@@ -488,11 +491,11 @@ bool BatPublishers::getPublisherAllowVideos() const {
 }
 
 bool BatPublishers::GetMigrateScore() const {
-  return state_->migrate_score;
+  return state_->migrate_score_2;
 }
 
 void BatPublishers::SetMigrateScore(bool value) {
-  state_->migrate_score = value;
+  state_->migrate_score_2 = value;
   saveState();
 }
 

vendor/bat-native-ledger/src/bat_publishers.h

@@ -15,6 +15,7 @@
 #include "bat/ledger/ledger_callback_handler.h"
 #include "bat/ledger/publisher_info.h"
 #include "bat_helper.h"
+#include "base/gtest_prod_util.h"
 
 namespace bat_ledger {
 class LedgerImpl;
@@ -174,9 +175,9 @@ class BatPublishers : public ledger::LedgerCallbackHandler {
 
   void OnRestorePublishersInternal(bool success);
 
-  void calcScoreConsts(const uint64_t& duration);
+  void calcScoreConsts(const uint64_t& min_duration_seconds);
 
-  double concaveScore(const uint64_t& duration);
+  double concaveScore(const uint64_t& duration_seconds);
 
   void saveState();
 
@@ -221,6 +222,11 @@ class BatPublishers : public ledger::LedgerCallbackHandler {
   double b_;
 
   double b2_;
+
+  // For testing purposes
+  friend class BatPublishersTest;
+  FRIEND_TEST_ALL_PREFIXES(BatPublishersTest, calcScoreConsts);
+  FRIEND_TEST_ALL_PREFIXES(BatPublishersTest, concaveScore);
 };
 
 }  // namespace braveledger_bat_publishers

vendor/bat-native-ledger/src/bat_publishers_unittest.cc

@@ -0,0 +1,98 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this file,
+* You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "bat/ledger/ledger.h"
+#include "bat_publishers.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// npm run test -- brave_unit_tests --filter=BatPublishersTest.*
+
+namespace braveledger_bat_publishers {
+
+class BatPublishersTest : public testing::Test {
+};
+
+TEST_F(BatPublishersTest, calcScoreConsts) {
+  braveledger_bat_publishers::BatPublishers* publishers =
+      new braveledger_bat_publishers::BatPublishers(nullptr);
+
+  /*
+   * Test 5 seconds
+   */
+  publishers->calcScoreConsts(5);
+
+  EXPECT_EQ(publishers->a_, 14500);
+  EXPECT_EQ(publishers->a2_, 29000);
+  EXPECT_EQ(publishers->a4_, 58000);
+  EXPECT_EQ(publishers->b_, -14000);
+  EXPECT_EQ(publishers->b2_, 196000000);
+
+  /*
+   * Test 8 seconds
+   */
+  publishers->calcScoreConsts(8);
+
+  EXPECT_EQ(publishers->a_, 14200);
+  EXPECT_EQ(publishers->a2_, 28400);
+  EXPECT_EQ(publishers->a4_, 56800);
+  EXPECT_EQ(publishers->b_, -13400);
+  EXPECT_EQ(publishers->b2_, 179560000);
+
+  /*
+   * Test 1min (60 seconds)
+   */
+  publishers->calcScoreConsts(60);
+
+  EXPECT_EQ(publishers->a_, 9000);
+  EXPECT_EQ(publishers->a2_, 18000);
+  EXPECT_EQ(publishers->a4_, 36000);
+  EXPECT_EQ(publishers->b_, -3000);
+  EXPECT_EQ(publishers->b2_, 9000000);
+}
+
+TEST_F(BatPublishersTest, concaveScore) {
+  braveledger_bat_publishers::BatPublishers* publishers =
+      new braveledger_bat_publishers::BatPublishers(nullptr);
+
+  /*
+   * min duration: 5 seconds
+   * duration: 5, 15, 60, 1000, 10000, 150000, 500000
+   */
+  publishers->calcScoreConsts(5);
+  EXPECT_NEAR(publishers->concaveScore(5), 1, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(15), 1.06285, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(60), 1.28703, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(1000), 3.15289, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(10000), 8.80133, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(150000), 32.6498, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(500000), 59.2068, 0.001f);
+
+  /*
+   * min duration: 8 seconds
+   * duration: 5, 15, 60, 1000, 10000, 150000, 500000
+   */
+  publishers->calcScoreConsts(8);
+  EXPECT_NEAR(publishers->concaveScore(5), 0.979606, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(15), 1.04477, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(60), 1.27505, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(1000), 3.16717, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(10000), 8.8769, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(150000), 32.9766, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(500000), 59.8128, 0.001f);
+
+  /*
+   * min duration: 60 seconds
+   * duration: 5, 15, 60, 1000, 10000, 150000, 500000
+   */
+  publishers->calcScoreConsts(60);
+  EXPECT_NEAR(publishers->concaveScore(5), 0.455342, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(15), 0.607625, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(60), 1, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(1000), 3.50416, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(10000), 10.7089, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(150000), 40.9918, 0.001f);
+  EXPECT_NEAR(publishers->concaveScore(500000), 74.7025, 0.001f);
+}
+
+}