From 68cac470cfa30cca3eb243816c82a180d72bd180 Mon Sep 17 00:00:00 2001
From: Tomer Vilensky <tomerv@fireblocks.com>
Date: Wed, 15 Jul 2020 17:15:30 +0300
Subject: [PATCH] Fees endpoints

---
 src/fireblocks-sdk.ts | 18 +++++++++++++++++-
 src/types.ts          | 25 +++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/src/fireblocks-sdk.ts b/src/fireblocks-sdk.ts
index 32e1b30f..df75170b 100644
--- a/src/fireblocks-sdk.ts
+++ b/src/fireblocks-sdk.ts
@@ -21,7 +21,9 @@ import {
     TransferTicketResponse,
     TermResponse,
     ExecuteTermArgs,
-    CreateTransferTicketResponse
+    CreateTransferTicketResponse,
+    EstimateTransactionFeeResponse,
+    EstimateFeeResponse
 } from "./types";
 
 export * from "./types";
@@ -440,6 +442,20 @@ export class FireblocksSDK {
         return await this.apiClient.issuePostRequest("/v1/transactions", options);
     }
 
+    /**
+     * Estimates the fee for a transaction request
+     */
+    public async estimateFeeForTransaction(options: TransactionArguments): Promise<EstimateTransactionFeeResponse> {
+        return await this.apiClient.issuePostRequest("/v1/transactions/estimate_fee", options);
+    }
+
+    /**
+     * Gets the estimated fees for an asset
+     */
+    public async getFeeForAsset(asset: string): Promise<EstimateFeeResponse> {
+        return await this.apiClient.issueGetRequest(`/v1/estimate_network_fee?assetId=${asset}`);
+    }
+
     /**
      * Creates a new transfer ticket
      */
diff --git a/src/types.ts b/src/types.ts
index 986ef802..57e37f37 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -47,6 +47,31 @@ export interface CreateTransactionResponse {
     status: string;
 }
 
+export interface EstimateFeeResponse {
+    low: EstimatedFee;
+    medium: EstimatedFee;
+    high: EstimatedFee;
+}
+
+export interface EstimateTransactionFeeResponse {
+    low: EstimatedTransactionFee;
+    medium: EstimatedTransactionFee;
+    high: EstimatedTransactionFee;
+}
+
+export interface EstimatedFee {
+    networkFee?: string;
+    gasPrice?: string;
+    feePerByte?: string;
+}
+
+export interface EstimatedTransactionFee {
+    networkFee?: string;
+    gasPrice?: string;
+    gasLimit?: string;
+    feePerByte?: string;
+}
+
 export interface TransferPeerPath {
     type: PeerType;
     id: string;