From 9b0c229acebd5906bbceec2696476eb3b9fc2718 Mon Sep 17 00:00:00 2001
From: Danil Kovtonyuk <danx.kov@gmail.com>
Date: Tue, 15 Jun 2021 13:26:02 +0300
Subject: [PATCH] add polygon

---
 README.md             |  6 ++++++
 package.json          |  2 +-
 src/config/index.ts   |  3 +++
 src/config/polygon.ts | 23 +++++++++++++++++++++++
 4 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 src/config/polygon.ts

diff --git a/README.md b/README.md
index d126eb4..805d33a 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,12 @@ Current offchain list:
 
 - https://bscgas.info/
 
+### Polygon (Matic) Network
+
+Current offchain list:
+
+- https://gasstation-mainnet.matic.network/
+
 ## Installation
 
 `npm i gas-price-oracle`
diff --git a/package.json b/package.json
index 931ea7c..f251a1a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gas-price-oracle",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "description": "Gas Price Oracle library for Ethereum dApps.",
   "main": "lib/index.js",
   "homepage": "https://github.com/peppersec/gas-price-oracle",
diff --git a/src/config/index.ts b/src/config/index.ts
index 8ec2bee..0724d40 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -1,13 +1,16 @@
 import { NetworkConfig } from '../types';
 import mainnetOracles from './mainnet';
 import binanceOracles from './binance';
+import polygonOracles from './polygon';
 
 export enum ChainId {
   MAINNET = 1,
   BINANCE = 56,
+  POLYGON = 137,
 }
 
 export const networks: NetworkConfig = {
   [ChainId.MAINNET]: mainnetOracles,
   [ChainId.BINANCE]: binanceOracles,
+  [ChainId.POLYGON]: polygonOracles,
 };
diff --git a/src/config/polygon.ts b/src/config/polygon.ts
new file mode 100644
index 0000000..d75240a
--- /dev/null
+++ b/src/config/polygon.ts
@@ -0,0 +1,23 @@
+import { OffChainOracle, OffChainOracles, OnChainOracles } from '../types';
+
+const maticGasStation: OffChainOracle = {
+  name: 'maticGasStation',
+  url: 'https://gasstation-mainnet.matic.network',
+  instantPropertyName: 'fastest',
+  fastPropertyName: 'fast',
+  standardPropertyName: 'standard',
+  lowPropertyName: 'safeLow',
+  denominator: 1,
+  additionalDataProperty: null,
+};
+
+export const offChainOracles: OffChainOracles = {
+  maticGasStation,
+};
+
+export const onChainOracles: OnChainOracles = {};
+
+export default {
+  offChainOracles,
+  onChainOracles,
+};