1 files changed, 23 insertions, 23 deletions
diff --git a/packages/contracts/util/crypto.ts b/packages/contracts/util/crypto.ts
index 29bbf206a..9173df643 100644
--- a/packages/contracts/util/crypto.ts
+++ b/packages/contracts/util/crypto.ts
@@ -4,7 +4,7 @@ import ethUtil = require('ethereumjs-util');
 import * as _ from 'lodash';
 
 export const crypto = {
-	/*
+    /*
    * We convert types from JS to Solidity as follows:
    * BigNumber -> uint256
    * number -> uint8
@@ -12,26 +12,26 @@ export const crypto = {
    * boolean -> bool
    * valid Ethereum address -> address
    */
-	solSHA3(args: any[]): Buffer {
-		const argTypes: string[] = [];
-		_.each(args, (arg, i) => {
-			const isNumber = _.isFinite(arg);
-			if (isNumber) {
-				argTypes.push('uint8');
-			} else if (arg.isBigNumber) {
-				argTypes.push('uint256');
-				args[i] = new BN(arg.toString(10), 10);
-			} else if (ethUtil.isValidAddress(arg)) {
-				argTypes.push('address');
-			} else if (_.isString(arg)) {
-				argTypes.push('string');
-			} else if (_.isBoolean(arg)) {
-				argTypes.push('bool');
-			} else {
-				throw new Error(`Unable to guess arg type: ${arg}`);
-			}
-		});
-		const hash = ABI.soliditySHA3(argTypes, args);
-		return hash;
-	},
+    solSHA3(args: any[]): Buffer {
+        const argTypes: string[] = [];
+        _.each(args, (arg, i) => {
+            const isNumber = _.isFinite(arg);
+            if (isNumber) {
+                argTypes.push('uint8');
+            } else if (arg.isBigNumber) {
+                argTypes.push('uint256');
+                args[i] = new BN(arg.toString(10), 10);
+            } else if (ethUtil.isValidAddress(arg)) {
+                argTypes.push('address');
+            } else if (_.isString(arg)) {
+                argTypes.push('string');
+            } else if (_.isBoolean(arg)) {
+                argTypes.push('bool');
+            } else {
+                throw new Error(`Unable to guess arg type: ${arg}`);
+            }
+        });
+        const hash = ABI.soliditySHA3(argTypes, args);
+        return hash;
+    },
 };