3 files changed, 81 insertions, 7 deletions
diff --git a/packages/web3-wrapper/CHANGELOG.json b/packages/web3-wrapper/CHANGELOG.json
index 54a816e23..bd4bf06dd 100644
--- a/packages/web3-wrapper/CHANGELOG.json
+++ b/packages/web3-wrapper/CHANGELOG.json
@@ -3,6 +3,18 @@
         "version": "0.7.0",
         "changes": [
             {
+                "note": "Add `web3Wrapper.getContractCodeAsync`",
+                "pr": 675
+            },
+            {
+                "note": "Add `web3Wrapper.getTransactionTraceAsync`",
+                "pr": 675
+            },
+            {
+                "note": "Add `web3Wrapper.getBlockWithTransactionDataAsync`",
+                "pr": 675
+            },
+            {
                 "note": "Add exported uniqueVersionIds object",
                 "pr": 622
             },
@@ -17,6 +29,11 @@
             {
                 "note": "Add new setHeadAsync method",
                 "pr": 622
+            },
+            {
+                "note":
+                    "Improve performance of awaitTransactionMinedAsync by immediately checking if the transaction was already mined instead of waiting for the first interval.",
+                "pr": 688
             }
         ]
     },
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index 694f07e45..de2b72ac6 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -15,7 +15,7 @@
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:circleci": "yarn test:coverage",
-        "run_mocha": "mocha lib/test/**/*_test.js --bail --exit",
+        "run_mocha": "mocha --require source-map-support/register lib/test/**/*_test.js --bail --exit",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js",
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index 559bf3ea9..5d2eedcb3 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -2,6 +2,7 @@ import { AbiDecoder, addressUtils, BigNumber, intervalUtils, promisify } from '@
 import {
     BlockParam,
     BlockWithoutTransactionData,
+    BlockWithTransactionData,
     CallData,
     ContractAbi,
     FilterObject,
@@ -10,8 +11,10 @@ import {
     LogEntry,
     Provider,
     RawLogEntry,
+    TraceParams,
     TransactionReceipt,
     TransactionReceiptWithDecodedLogs,
+    TransactionTrace,
     TxData,
 } from 'ethereum-types';
 import * as _ from 'lodash';
@@ -187,12 +190,34 @@ export class Web3Wrapper {
      * @returns Whether or not contract code was found at the supplied address
      */
     public async doesContractExistAtAddressAsync(address: string): Promise<boolean> {
-        const code = await promisify<string>(this._web3.eth.getCode)(address);
+        const code = await this.getContractCodeAsync(address);
         // Regex matches 0x0, 0x00, 0x in order to accommodate poorly implemented clients
         const isCodeEmpty = /^0x0{0,40}$/i.test(code);
         return !isCodeEmpty;
     }
     /**
+     * Gets the contract code by address
+     * @param  address Address of the contract
+     * @return Code of the contract
+     */
+    public async getContractCodeAsync(address: string): Promise<string> {
+        const code = await promisify<string>(this._web3.eth.getCode)(address);
+        return code;
+    }
+    /**
+     * Gets the debug trace of a transaction
+     * @param  txHash Hash of the transactuon to get a trace for
+     * @param  traceParams Config object allowing you to specify if you need memory/storage/stack traces.
+     * @return Transaction trace
+     */
+    public async getTransactionTraceAsync(txHash: string, traceParams: TraceParams): Promise<TransactionTrace> {
+        const trace = await this._sendRawPayloadAsync<TransactionTrace>({
+            method: 'debug_traceTransaction',
+            params: [txHash, traceParams],
+        });
+        return trace;
+    }
+    /**
      * Sign a message with a specific address's private key (`eth_sign`)
      * @param address Address of signer
      * @param message Message to sign
@@ -211,13 +236,30 @@ export class Web3Wrapper {
         return blockNumber;
     }
     /**
-     * Fetch a specific Ethereum block
+     * Fetch a specific Ethereum block without transaction data
      * @param blockParam The block you wish to fetch (blockHash, blockNumber or blockLiteral)
      * @returns The requested block without transaction data
      */
     public async getBlockAsync(blockParam: string | BlockParam): Promise<BlockWithoutTransactionData> {
-        const block = await promisify<BlockWithoutTransactionData>(this._web3.eth.getBlock)(blockParam);
-        return block;
+        const shouldIncludeTransactionData = false;
+        const blockWithoutTransactionData = await promisify<BlockWithoutTransactionData>(this._web3.eth.getBlock)(
+            blockParam,
+            shouldIncludeTransactionData,
+        );
+        return blockWithoutTransactionData;
+    }
+    /**
+     * Fetch a specific Ethereum block with transaction data
+     * @param blockParam The block you wish to fetch (blockHash, blockNumber or blockLiteral)
+     * @returns The requested block with transaction data
+     */
+    public async getBlockWithTransactionDataAsync(blockParam: string | BlockParam): Promise<BlockWithTransactionData> {
+        const shouldIncludeTransactionData = true;
+        const blockWithTransactionData = await promisify<BlockWithTransactionData>(this._web3.eth.getBlock)(
+            blockParam,
+            shouldIncludeTransactionData,
+        );
+        return blockWithTransactionData;
     }
     /**
      * Fetch a block's timestamp
@@ -360,6 +402,21 @@ export class Web3Wrapper {
         pollingIntervalMs: number = 1000,
         timeoutMs?: number,
     ): Promise<TransactionReceiptWithDecodedLogs> {
+        // Immediately check if the transaction has already been mined.
+        let transactionReceipt = await this.getTransactionReceiptAsync(txHash);
+        if (!_.isNull(transactionReceipt)) {
+            const logsWithDecodedArgs = _.map(
+                transactionReceipt.logs,
+                this.abiDecoder.tryToDecodeLogOrNoop.bind(this.abiDecoder),
+            );
+            const transactionReceiptWithDecodedLogArgs: TransactionReceiptWithDecodedLogs = {
+                ...transactionReceipt,
+                logs: logsWithDecodedArgs,
+            };
+            return transactionReceiptWithDecodedLogArgs;
+        }
+
+        // Otherwise, check again every pollingIntervalMs.
         let wasTimeoutExceeded = false;
         if (timeoutMs) {
             setTimeout(() => (wasTimeoutExceeded = true), timeoutMs);
@@ -374,7 +431,7 @@ export class Web3Wrapper {
                             return reject(Web3WrapperErrors.TransactionMiningTimeout);
                         }
 
-                        const transactionReceipt = await this.getTransactionReceiptAsync(txHash);
+                        transactionReceipt = await this.getTransactionReceiptAsync(txHash);
                         if (!_.isNull(transactionReceipt)) {
                             intervalUtils.clearAsyncExcludingInterval(intervalId);
                             const logsWithDecodedArgs = _.map(
@@ -469,4 +526,4 @@ export class Web3Wrapper {
         const decimal = this._web3.toDecimal(hex);
         return decimal;
     }
-}
+} // tslint:disable-line:max-file-line-count