Port getOrderHash

src/ts/types.ts

@@ -0,0 +1,21 @@
+import * as _ from 'lodash';
+import * as BigNumber from 'bignumber.js';
+
+// Utility function to create a K:V from a list of strings
+// Adapted from: https://basarat.gitbooks.io/typescript/content/docs/types/literal-types.html
+function strEnum(values: string[]): {[key: string]: string} {
+    return _.reduce(values, (result, key) => {
+        result[key] = key;
+        return result;
+    }, Object.create(null));
+}
+
+export const SolidityTypes = strEnum([
+    'address',
+    'uint256',
+    'uint8',
+    'string',
+    'bool',
+]);
+
+export type SolidityTypes = keyof typeof SolidityTypes;