REST API: Add algod block hash endpoint, add indexer block header-only param.

.test-env

@@ -3,6 +3,8 @@ SDK_TESTING_URL="https://github.com/algorand/algorand-sdk-testing"
 SDK_TESTING_BRANCH="master"
 SDK_TESTING_HARNESS="test-harness"
 
+INSTALL_ONLY=0
+
 VERBOSE_HARNESS=0
 
 # WARNING: If set to 1, new features will be LOST when downloading the test harness.

Makefile

@@ -13,7 +13,10 @@ display-all-js-steps:
 	tail -n +135 tests/cucumber/steps/steps.js | grep -v '^ *//' | awk "/(Given|Then|When)/,/',/" | grep -E "\'.+\'"  | sed "s/^[^']*'\([^']*\)'.*/\1/g"
 
 harness:
-	./test-harness.sh
+	./test-harness.sh up
+
+harness-down:
+	./test-harness.sh down
 
 docker-build:
 	docker build -t js-sdk-testing -f tests/cucumber/docker/Dockerfile $(CURDIR) --build-arg TEST_BROWSER --build-arg CI=true

src/client/v2/algod/algod.ts

@@ -9,6 +9,7 @@ import Dryrun from './dryrun';
 import Genesis from './genesis';
 import GetAssetByID from './getAssetByID';
 import GetApplicationByID from './getApplicationByID';
+import GetBlockHash from './getBlockHash';
 import HealthCheck from './healthCheck';
 import PendingTransactionInformation from './pendingTransactionInformation';
 import PendingTransactions from './pendingTransactions';
@@ -205,6 +206,23 @@ export default class AlgodClient extends ServiceClient {
     return new Block(this.c, roundNumber);
   }
 
+  /**
+   * Get the block hash for the block on the given round.
+   *
+   * #### Example
+   * ```typescript
+   * const roundNumber = 18038133;
+   * const block = await algodClient.getBlockHash(roundNumber).do();
+   * ```
+   *
+   * [Response data schema details](https://developer.algorand.org/docs/rest-apis/algod/v2/#get-v2blocksroundhash)
+   * @param roundNumber - The round number of the block to get.
+   * @category GET
+   */
+  getBlockHash(roundNumber: number) {
+    return new GetBlockHash(this.c, this.intDecoding, roundNumber);
+  }
+
   /**
    * Returns the transaction information for a specific pending transaction.
    *

src/client/v2/algod/getBlockHash.ts

@@ -0,0 +1,18 @@
+import JSONRequest from '../jsonrequest';
+import HTTPClient from '../../client';
+import IntDecoding from '../../../types/intDecoding';
+
+export default class GetBlockHash extends JSONRequest {
+  round: number;
+
+  constructor(c: HTTPClient, intDecoding: IntDecoding, roundNumber: number) {
+    super(c, intDecoding);
+    if (!Number.isInteger(roundNumber))
+      throw Error('roundNumber should be an integer');
+    this.round = roundNumber;
+  }
+
+  path() {
+    return `/v2/blocks/${this.round}/hash`;
+  }
+}

src/client/v2/indexer/lookupBlock.ts

@@ -27,4 +27,13 @@ export default class LookupBlock extends JSONRequest {
   path() {
     return `/v2/blocks/${this.round}`;
   }
+
+  /**
+   * Header only flag. When this is set to true, returned block does not contain the
+   * transactions.
+   */
+  headerOnly(headerOnly: boolean) {
+    this.query['header-only'] = headerOnly;
+    return this;
+  }
 }

test-harness.sh

@@ -1,7 +1,47 @@
 #!/usr/bin/env bash
-
 set -euo pipefail
 
+# test-harness.sh setup/start cucumber test environment.
+#
+# Configuration is managed with environment variables, the ones you
+# are most likely to reconfigured are stored in '.test-env'.
+#
+# Variables:
+#   SDK_TESTING_URL     - URL to algorand-sdk-testing, useful for forks.
+#   SDK_TESTING_BRANCH  - branch to checkout, useful for new tests.
+#   SDK_TESTING_HARNESS - local directory that the algorand-sdk-testing repo is cloned into.
+#   VERBOSE_HARNESS     - more output while the script runs.
+#   INSTALL_ONLY        - installs feature files only, useful for unit tests.
+#
+#   WARNING: If set to 1, new features will be LOST when downloading the test harness.
+#   REGARDLESS: modified features are ALWAYS overwritten.
+#   REMOVE_LOCAL_FEATURES - delete all local cucumber feature files before downloading these from github.
+#
+#   WARNING: Be careful when turning on the next variable.
+#   In that case you'll need to provide all variables expected by `algorand-sdk-testing`'s `.env`
+#   OVERWRITE_TESTING_ENVIRONMENT=0
+
+SHUTDOWN=0
+if [ $# -ne 0 ]; then
+  if [ $# -ne 1 ]; then
+    echo "this script accepts a single argument, which must be 'up' or 'down'."
+    exit 1
+  fi
+
+  case $1 in
+    'up')
+      ;; # default.
+    'down')
+      SHUTDOWN=1
+      ;;
+    *)
+      echo "unknown parameter '$1'."
+      echo "this script accepts a single argument, which must be 'up' or 'down'."
+      exit 1
+      ;;
+  esac
+fi
+
 START=$(date "+%s")
 
 THIS=$(basename "$0")
@@ -23,10 +63,19 @@ if [ -d "$SDK_TESTING_HARNESS" ]; then
   ./scripts/down.sh
   popd
   rm -rf "$SDK_TESTING_HARNESS"
+  if [[ $SHUTDOWN == 1 ]]; then
+    echo "$THIS: network shutdown complete."
+    exit 0
+  fi
 else
   echo "$THIS: directory $SDK_TESTING_HARNESS does not exist - NOOP"
 fi
 
+if [[ $SHUTDOWN == 1 ]]; then
+  echo "$THIS: unable to shutdown network."
+  exit 1
+fi
+
 git clone --depth 1 --single-branch --branch "$SDK_TESTING_BRANCH" "$SDK_TESTING_URL" "$SDK_TESTING_HARNESS"
 
 
@@ -52,6 +101,11 @@ if [[ $VERBOSE_HARNESS == 1 ]]; then
 fi
 echo "$THIS: seconds it took to get to end of cloning and copying: $(($(date "+%s") - START))s"
 
+if [[ $INSTALL_ONLY == 1 ]]; then
+  echo "$THIS: configured to install feature files only. Not starting test harness environment."
+  exit 0
+fi
+
 ## Start test harness environment
 pushd "$SDK_TESTING_HARNESS"
 

tests/cucumber/steps/steps.js

@@ -2152,6 +2152,13 @@ module.exports = function getSteps(options) {
     }
   );
 
+  When(
+    'we make a Lookup Block call against round {int} and header {string}',
+    async function (int, string) {
+      await this.indexerClient.lookupBlock(int).headerOnly(string).do();
+    }
+  );
+
   When(
     'we make a Lookup Account by ID call against account {string} with round {int}',
     async function (account, round) {
@@ -4417,6 +4424,13 @@ module.exports = function getSteps(options) {
     await this.v2Client.getStateProof(int).do();
   });
 
+  When(
+    'we make a Lookup Block Hash call against round {int}',
+    async function (int) {
+      await this.v2Client.getBlockHash(int).do();
+    }
+  );
+
   Given(
     'a base64 encoded program bytes for heuristic sanity check {string}',
     async function (programByteStr) {

tests/cucumber/unit.tags

@@ -4,6 +4,7 @@
 @unit.algod.ledger_refactoring
 @unit.applications
 @unit.atomic_transaction_composer
+@unit.blocksummary
 @unit.dryrun
 @unit.dryrun.trace.application
 @unit.feetest
@@ -17,6 +18,7 @@
 @unit.responses.231
 @unit.responses.participationupdates
 @unit.responses.unlimited_assets
+@unit.responses.blocksummary
 @unit.sourcemap
 @unit.stateproof.paths
 @unit.stateproof.responses