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use get_name_history_page for getting pages of a name's history. do not rely on start_block or end_block, since we have the power to paginate directly

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This commit is contained in:
Jude Nelson
2018-09-13 16:14:25 -04:00
parent 0a6376a5ff
commit 51fcc92f4f
2 changed files with 15 additions and 23 deletions
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2
blockstack/lib/client.py
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@@ -2988,7 +2988,7 @@ def get_name_history(name, hostport=None, proxy=None, history_page=None):
return {'status': True, 'history': resp['history'], 'indexing': indexing, 'lastblock': lastblock}
for i in range(0, 10000): # this is obviously too big
for i in range(0, 100000000): # this is obviously too big
resp = get_name_history_page(name, i, proxy=proxy)
if 'error' in resp:
return resp

36
blockstack/lib/rpc.py
View File

@@ -626,10 +626,10 @@ class BlockstackAPIEndpointHandler(SimpleHTTPRequestHandler):
return self._reply_json(ret)
def GET_name_history(self, path_info, name ):
def GET_name_history(self, path_info, name):
"""
Get the history of a name or subdomain.
Takes `start_block` and `end_block` in the query string.
Requires 'page' in the query string
return the history on success
return 400 on invalid start_block or end_block
return 502 on failure to query blockstack server
@@ -638,35 +638,27 @@ class BlockstackAPIEndpointHandler(SimpleHTTPRequestHandler):
return self._reply_json({'error': 'Invalid name or subdomain'}, status_code=400)
qs_values = path_info['qs_values']
start_block = qs_values.get('start_block', None)
end_block = qs_values.get('end_block', None)
page = qs_values.get('page', None)
if page is None:
return self._reply_json({'error': 'Missing page argument'}, status_code=400)
try:
if start_block is None:
start_block = FIRST_BLOCK_MAINNET
else:
start_block = int(start_block)
if end_block is None:
end_block = 2**32 # hope we never get this many blocks!
else:
end_block = int(end_block)
assert len(page) < 10
page = int(page)
assert page >= 0
assert page <= 2**32 - 1
except:
log.error("Invalid start_block or end_block")
self._reply_json({'error': 'Invalid start_block or end_block'}, status_code=400)
log.error("Invalid page")
self._reply_json({'error': 'Invalid page'}, status_code=400)
return
blockstackd_url = get_blockstackd_url()
res = blockstackd_client.get_name_record(name, include_expired=True, include_history=True, hostport=blockstackd_url)
res = blockstackd_client.get_name_history_page(name, page, hostport=blockstackd_url)
if json_is_error(res):
return self._reply_json({'error': res['error']}, status_code=res.get('http_status', 502))
history = {}
for block_height in res['history'].keys():
if int(block_height) >= start_block and int(block_height) <= end_block:
history[block_height] = res['history'][block_height]
return self._reply_json(history)
return self._reply_json(res['history'])
def GET_name_zonefile( self, path_info, name ):