3 files changed, 24 insertions, 11 deletions
diff --git a/packages/web3-wrapper/src/index.ts b/packages/web3-wrapper/src/index.ts
index 19fe0836c..4433b4b54 100644
--- a/packages/web3-wrapper/src/index.ts
+++ b/packages/web3-wrapper/src/index.ts
@@ -1,3 +1,3 @@
-export { Web3Wrapper, uniqueVersionIds, NodeType } from './web3_wrapper';
-export { Web3WrapperErrors } from './types';
+export { Web3Wrapper } from './web3_wrapper';
+export { Web3WrapperErrors, NodeType } from './types';
 export { marshaller } from './marshaller';
diff --git a/packages/web3-wrapper/src/types.ts b/packages/web3-wrapper/src/types.ts
index b7b6bd68a..e81039186 100644
--- a/packages/web3-wrapper/src/types.ts
+++ b/packages/web3-wrapper/src/types.ts
@@ -57,3 +57,9 @@ export interface TxDataRPC extends CallTxDataBaseRPC {
 export interface CallDataRPC extends CallTxDataBaseRPC {
     from?: string;
 }
+
+// NodeType represents the type of the backing Ethereum node.
+export enum NodeType {
+    Geth = 'GETH',
+    Ganache = 'GANACHE',
+}
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index e828708f0..dd35e2094 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -14,6 +14,7 @@ import {
     Provider,
     RawLogEntry,
     TraceParams,
+    Transaction,
     TransactionReceipt,
     TransactionReceiptWithDecodedLogs,
     TransactionTrace,
@@ -22,24 +23,18 @@ import {
 import * as _ from 'lodash';
 
 import { marshaller } from './marshaller';
-import { BlockWithoutTransactionDataRPC, BlockWithTransactionDataRPC, Web3WrapperErrors } from './types';
+import { BlockWithoutTransactionDataRPC, BlockWithTransactionDataRPC, NodeType, Web3WrapperErrors } from './types';
 import { utils } from './utils';
 
 const BASE_TEN = 10;
 
 // These are unique identifiers contained in the response of the
 // web3_clientVersion call.
-export const uniqueVersionIds = {
+const uniqueVersionIds = {
     geth: 'Geth',
     ganache: 'EthereumJS TestRPC',
 };
 
-// NodeType represents the type of the backing Ethereum node.
-export enum NodeType {
-    Geth = 'GETH',
-    Ganache = 'GANACHE',
-}
-
 /**
  * An alternative to the Web3.js library that provides a consistent, clean, promise-based interface.
  */
@@ -227,6 +222,19 @@ export class Web3Wrapper {
         return transactionReceipt;
     }
     /**
+     * Retrieves the transaction data for a given transaction
+     * @param txHash Transaction hash
+     * @returns The raw transaction data
+     */
+    public async getTransactionByHashAsync(txHash: string): Promise<Transaction> {
+        assert.isHexString('txHash', txHash);
+        const transaction = await this._sendRawPayloadAsync<Transaction>({
+            method: 'eth_getTransactionByHash',
+            params: [txHash],
+        });
+        return transaction;
+    }
+    /**
      * Retrieves an accounts Ether balance in wei
      * @param owner Account whose balance you wish to check
      * @returns Balance in wei
@@ -298,7 +306,6 @@ export class Web3Wrapper {
      */
     public async signMessageAsync(address: string, message: string): Promise<string> {
         assert.isETHAddressHex('address', address);
-        assert.isETHAddressHex('address', address);
         assert.isString('message', message); // TODO: Should this be stricter? Hex string?
         const signData = await this._sendRawPayloadAsync<string>({
             method: 'eth_sign',