1 files changed, 33 insertions, 0 deletions
diff --git a/packages/utils/src/abi_encoder/evm_data_types/uint.ts b/packages/utils/src/abi_encoder/evm_data_types/uint.ts
new file mode 100644
index 000000000..86b31ab4c
--- /dev/null
+++ b/packages/utils/src/abi_encoder/evm_data_types/uint.ts
@@ -0,0 +1,33 @@
+/* tslint:disable prefer-function-over-method */
+import { DataItem } from 'ethereum-types';
+
+import { BigNumber } from '../../configured_bignumber';
+import { DataTypeFactory } from '../data_type';
+
+import { Number } from './number';
+
+export class UInt extends Number {
+    private static readonly _matcher = RegExp(
+        '^uint(8|16|24|32|40|48|56|64|72|88|96|104|112|120|128|136|144|152|160|168|176|184|192|200|208|216|224|232|240|248|256){0,1}$',
+    );
+
+    public static matchType(type: string): boolean {
+        return UInt._matcher.test(type);
+    }
+
+    public constructor(dataItem: DataItem, dataTypeFactory: DataTypeFactory) {
+        super(dataItem, UInt._matcher, dataTypeFactory);
+    }
+
+    public getMaxValue(): BigNumber {
+        return new BigNumber(2).toPower(this._width).sub(1);
+    }
+
+    public getMinValue(): BigNumber {
+        return new BigNumber(0);
+    }
+
+    public getSignature(): string {
+        return `uint${this._width}`;
+    }
+}