Merge pull request #8 from 0xProject/isSignatureValid

Add isSignatureValid method and tests for it

1 files changed, 11 insertions, 0 deletions

diff --git a/src/ts/globals.d.ts b/src/ts/globals.d.ts
new file mode 100644
index 000000000..0f7391b39
--- /dev/null
+++ b/src/ts/globals.d.ts
@@ -0,0 +1,11 @@
+declare type ETHPublicKey = 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) => ETHPublicKey;
+    const pubToAddress: (pubKey: ETHPublicKey) => ETHAddressBuff;
+}