From a5206eed71b884df155fb632b9e758b8152375d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan-Terje=20S=C3=B8rensen?= <jtbsorensen@gmail.com>
Date: Thu, 12 Oct 2023 18:08:50 +0200
Subject: [PATCH] Started implementing StablecoinsClient

---
 .../jansoren/defillama/StablecoinsClient.java | 21 ++++++++
 .../model/protocols/BaseDefiLlamaClient.java  |  1 +
 .../model/stablecoins/PeggedAssetsItem.java   | 53 +++++++++++++++++++
 .../model/stablecoins/Stablecoins.java        | 11 ++++
 .../defillama/StablecoinsClientTest.java      | 28 ++++++++++
 5 files changed, 114 insertions(+)
 create mode 100644 src/main/java/no/jansoren/defillama/StablecoinsClient.java
 create mode 100644 src/main/java/no/jansoren/defillama/model/stablecoins/PeggedAssetsItem.java
 create mode 100644 src/main/java/no/jansoren/defillama/model/stablecoins/Stablecoins.java
 create mode 100644 src/test/java/no/jansoren/defillama/StablecoinsClientTest.java

diff --git a/src/main/java/no/jansoren/defillama/StablecoinsClient.java b/src/main/java/no/jansoren/defillama/StablecoinsClient.java
new file mode 100644
index 0000000..cf4434f
--- /dev/null
+++ b/src/main/java/no/jansoren/defillama/StablecoinsClient.java
@@ -0,0 +1,21 @@
+package no.jansoren.defillama;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import no.jansoren.defillama.model.protocols.BaseDefiLlamaClient;
+import no.jansoren.defillama.model.stablecoins.Stablecoins;
+
+import java.net.http.HttpClient;
+
+public class StablecoinsClient extends BaseDefiLlamaClient {
+
+    public StablecoinsClient(HttpClient httpClient, ObjectMapper objectMapper) {
+        super(httpClient, objectMapper);
+    }
+
+    public Stablecoins getStablecoins(boolean includePrices) {
+        return get(HOSTNAME_STABLECOINS+"/stablecoins?includePrices="+includePrices, Stablecoins.class);
+    }
+
+    // TODO - Work in progress
+
+}
diff --git a/src/main/java/no/jansoren/defillama/model/protocols/BaseDefiLlamaClient.java b/src/main/java/no/jansoren/defillama/model/protocols/BaseDefiLlamaClient.java
index d13d763..6ccf7c5 100644
--- a/src/main/java/no/jansoren/defillama/model/protocols/BaseDefiLlamaClient.java
+++ b/src/main/java/no/jansoren/defillama/model/protocols/BaseDefiLlamaClient.java
@@ -16,6 +16,7 @@ public class BaseDefiLlamaClient {
 
     protected static final String HOSTNAME_API = "https://api.llama.fi";
     protected static final String HOSTNAME_COINS = "https://coins.llama.fi";
+    protected static final String HOSTNAME_STABLECOINS = "https://stablecoins.llama.fi";
     protected final HttpClient httpClient;
     protected final ObjectMapper objectMapper;
 
diff --git a/src/main/java/no/jansoren/defillama/model/stablecoins/PeggedAssetsItem.java b/src/main/java/no/jansoren/defillama/model/stablecoins/PeggedAssetsItem.java
new file mode 100644
index 0000000..f58758b
--- /dev/null
+++ b/src/main/java/no/jansoren/defillama/model/stablecoins/PeggedAssetsItem.java
@@ -0,0 +1,53 @@
+package no.jansoren.defillama.model.stablecoins;
+
+import java.math.BigDecimal;
+import java.util.List;
+import java.util.Map;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public record PeggedAssetsItem(
+
+		@JsonProperty("symbol")
+		String symbol,
+
+		@JsonProperty("chainCirculating")
+		Map<String, Map<String, Object>> chainCirculating,
+
+		@JsonProperty("gecko_id")
+		String geckoId,
+
+		@JsonProperty("chains")
+		List<String> chains,
+
+		@JsonProperty("circulatingPrevWeek")
+		Map<String, BigDecimal> circulatingPrevWeek,
+
+		@JsonProperty("pegType")
+		String pegType,
+
+		@JsonProperty("circulatingPrevMonth")
+		Object circulatingPrevMonth,
+
+		@JsonProperty("pegMechanism")
+		String pegMechanism,
+
+		@JsonProperty("circulating")
+		Map<String, BigDecimal> circulating,
+
+		@JsonProperty("circulatingPrevDay")
+		Map<String, BigDecimal> circulatingPrevDay,
+
+		@JsonProperty("price")
+		int price,
+
+		@JsonProperty("priceSource")
+		String priceSource,
+
+		@JsonProperty("name")
+		String name,
+
+		@JsonProperty("id")
+		String id
+) {
+}
\ No newline at end of file
diff --git a/src/main/java/no/jansoren/defillama/model/stablecoins/Stablecoins.java b/src/main/java/no/jansoren/defillama/model/stablecoins/Stablecoins.java
new file mode 100644
index 0000000..6a8a8c8
--- /dev/null
+++ b/src/main/java/no/jansoren/defillama/model/stablecoins/Stablecoins.java
@@ -0,0 +1,11 @@
+package no.jansoren.defillama.model.stablecoins;
+
+import java.util.List;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public record Stablecoins(
+
+		@JsonProperty("peggedAssets")
+		List<PeggedAssetsItem> peggedAssets
+) {
+}
\ No newline at end of file
diff --git a/src/test/java/no/jansoren/defillama/StablecoinsClientTest.java b/src/test/java/no/jansoren/defillama/StablecoinsClientTest.java
new file mode 100644
index 0000000..ec3abbf
--- /dev/null
+++ b/src/test/java/no/jansoren/defillama/StablecoinsClientTest.java
@@ -0,0 +1,28 @@
+package no.jansoren.defillama;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import no.jansoren.defillama.model.stablecoins.Stablecoins;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.net.http.HttpClient;
+
+class StablecoinsClientTest {
+
+    private StablecoinsClient client;
+
+    @BeforeEach
+    void before() {
+        var httpClient = HttpClient.newBuilder().build();
+        var objectMapper = new ObjectMapper();
+        client = new StablecoinsClient(httpClient, objectMapper);
+    }
+
+    @Test
+    void testGetStablecoins() {
+        Stablecoins stablecoins = client.getStablecoins(true);
+        Assertions.assertNotNull(stablecoins);
+    }
+
+}