Type the ethereumjs-util

1 files changed, 11 insertions, 1 deletions

diff --git a/src/ts/globals.d.ts b/src/ts/globals.d.ts
index 99f9cf50b..1c3cbf47d 100644
--- a/src/ts/globals.d.ts
+++ b/src/ts/globals.d.ts
@@ -1 +1,11 @@
-declare module 'ethereumjs-util';
+declare type PubKey = string;
+declare type ETHAddressHex = string;
+declare type ETHAddressBuff = Buffer;
+
+declare module 'ethereumjs-util' {
+    const toBuffer: (data: string) => Buffer;
+    const hashPersonalMessage: (msg: Buffer) => Buffer;
+    const bufferToHex: (buff: Buffer) => string;
+    const ecrecover: (msgHashBuff: Buffer, v: number, r: Buffer, s: Buffer) => PubKey;
+    const pubToAddress: (pubKey: PubKey) => ETHAddressBuff;
+}