Add getNftEditions Method (#77)

src/RpcClient.ts

@@ -399,7 +399,32 @@ export class RpcClient {
     }
   }
 
-  /**
+    /**
+   * Get information about all the edition NFTs for a specific master NFT
+   * @returns {Promise<DAS.GetNftEditionsResponse>}
+   * @throws {Error}
+   */
+  async getNftEditions(
+    params: DAS.GetNftEditionsRequest
+  ): Promise<DAS.GetNftEditionsResponse> {
+    try {
+      const url = `${this.connection.rpcEndpoint}`;
+      const response = await axios.post(url, {
+        jsonrpc:"2.0",
+        id: this.id,
+        method: "getNftEditions",
+        params: params,
+      }, {
+        headers: { "Content-Type": "application/json" },
+      });
+
+      return response.data.result as DAS.GetNftEditionsResponse;
+    } catch (error) {
+      throw new Error(`Error in getNftEditions: ${error}`);
+    }
+  }
+
+    /**
    * Get information about all token accounts for a specific mint or a specific owner
    * @returns {Promise<DAS.GetTokenAccountsResponse>}
    * @throws {Error}

src/types/das-types.ts

@@ -292,6 +292,29 @@ export interface SearchAssetsRequest {
     seq: number;
     leaf_id: number;
   }
+
+  // Get NFT Editions
+  export interface Editions {
+    mint?: string;
+    edition_address?: string;
+    edition?: number;
+  }
+
+  export interface GetNftEditionsRequest {
+    mint?: string;
+    page?: number;
+    limit?: number;
+  }
+
+  export interface GetNftEditionsResponse {
+    total?: number;
+    limit?: number;
+    page?: number;
+    master_edition_address?: string;
+    supply?: number;
+    max_supply?: number;
+    editions?: Editions[];
+  }
 
   // Get Token Accounts
   export interface TokenAccounts {