From af4ebd692dd26ef96fbc1acf05763df3027cb178 Mon Sep 17 00:00:00 2001
From: Makoto Inoue <2630+makoto@users.noreply.github.com>
Date: Tue, 25 Aug 2020 14:18:11 +0100
Subject: [PATCH] Add support for DOT

---
 src/__tests__/index.test.ts |  7 +++++++
 src/index.ts                | 10 ++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/__tests__/index.test.ts b/src/__tests__/index.test.ts
index 79e386f9..7c5490b4 100644
--- a/src/__tests__/index.test.ts
+++ b/src/__tests__/index.test.ts
@@ -170,6 +170,13 @@ const vectors: Array<TestVector> = [
       { text: 'TJCnKsPa7y5okkXvQAidZBzqx3QyQ6sxMW', hex: '415a523b449890854c8fc460ab602df9f31fe4293f'},
     ],
   },
+  {
+    name: 'DOT',
+    coinType: 354,
+    passingVectors: [
+      { text: '1FRMM8PEiWXYax7rpS6X4XZX1aAAxSWx1CrKTyrVYhV24fg', hex: '0aff6865635ae11013a83835c019d44ec3f865145943f487ae82a8e7bed3a66b' },
+    ],
+  },
   {
     name: 'KSM',
     coinType: 434,
diff --git a/src/index.ts b/src/index.ts
index 5436d85e..d5f705dc 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -238,6 +238,10 @@ function ksmAddrEncoder(data: Buffer): string {
   return ss58Encode(Uint8Array.from(data), 2)
 }
 
+function dotAddrEncoder(data: Buffer): string {
+  return ss58Encode(Uint8Array.from(data), 0)
+}
+
 function ksmAddrDecoder(data: string): Buffer {
   return new Buffer(ss58Decode(data))
 }
@@ -296,6 +300,12 @@ const formats: IFormat[] = [
     encoder: bs58Encode,
     name: 'TRX',
   },
+  {
+    coinType: 354,
+    decoder: ksmAddrDecoder,
+    encoder: dotAddrEncoder,
+    name: 'DOT'
+  },
   {
     coinType: 434,
     decoder: ksmAddrDecoder,