Merge #14353: REST: add blockhash call, fetch blockhash by height

42ff30ec6 [Docs] add short documentation for /rest/blockhashbyheight (Jonas Schnelli)
579d418f7 [QA] add rest tests for /rest/blockhashbyheight/<HEIGHT>.<FORMAT> (Jonas Schnelli)
eb9ef04c4 REST: add "blockhashbyheight" call, fetch blockhash by height (Jonas Schnelli)

Pull request description:

  Completes the REST interface for trivial block exploring by adding a call that allows to fetch the blockhash in the main chain by a given height.

Tree-SHA512: 94be9e56718f857279b11cc16dfa8d04f3b5a762e87ae54281b4d87247c71c844895f4944d5a47f09056bf851f4c4761ac4fbdbaaee957265d14de5c1c73e8d2
This commit is contained in:
Jonas Schnelli
2019-01-22 19:58:43 -10:00
3 changed files with 70 additions and 1 deletions

View File

@@ -198,7 +198,7 @@ class RESTTest (BitcoinTestFramework):
self.nodes[0].generate(1) # generate block to not affect upcoming tests
self.sync_all()
self.log.info("Test the /block and /headers URIs")
self.log.info("Test the /block, /blockhashbyheight and /headers URIs")
bb_hash = self.nodes[0].getbestblockhash()
# Check result if block does not exists
@@ -237,6 +237,23 @@ class RESTTest (BitcoinTestFramework):
# Check json format
block_json_obj = self.test_rest_request("/block/{}".format(bb_hash))
assert_equal(block_json_obj['hash'], bb_hash)
assert_equal(self.test_rest_request("/blockhashbyheight/{}".format(block_json_obj['height']))['blockhash'], bb_hash)
# Check hex/bin format
resp_hex = self.test_rest_request("/blockhashbyheight/{}".format(block_json_obj['height']), req_type=ReqType.HEX, ret_type=RetType.OBJ)
assert_equal(resp_hex.read().decode('utf-8').rstrip(), bb_hash)
resp_bytes = self.test_rest_request("/blockhashbyheight/{}".format(block_json_obj['height']), req_type=ReqType.BIN, ret_type=RetType.BYTES)
blockhash = binascii.hexlify(resp_bytes[::-1]).decode('utf-8')
assert_equal(blockhash, bb_hash)
# Check invalid blockhashbyheight requests
resp = self.test_rest_request("/blockhashbyheight/abc", ret_type=RetType.OBJ, status=400)
assert_equal(resp.read().decode('utf-8').rstrip(), "Invalid height: abc")
resp = self.test_rest_request("/blockhashbyheight/1000000", ret_type=RetType.OBJ, status=404)
assert_equal(resp.read().decode('utf-8').rstrip(), "Block height out of range")
resp = self.test_rest_request("/blockhashbyheight/-1", ret_type=RetType.OBJ, status=400)
assert_equal(resp.read().decode('utf-8').rstrip(), "Invalid height: -1")
self.test_rest_request("/blockhashbyheight/", ret_type=RetType.OBJ, status=400)
# Compare with json block header
json_obj = self.test_rest_request("/headers/1/{}".format(bb_hash))