NewBlock Stream

Name: newBlocks

Options

Key

Description

Values

include

Fields to include in the block stream.

hash,headers,transactions,uncles

[Default: all]

newBlocks is a stream of all new blocks as they are propagated in the BDN. Examples

Gateway
Cloud-API
Cloud-API (Non-Enterprise)
Block Event
Gateway

Subscribing to Gateway Feed in Python (line 6 creates the subscription):

import asyncio
from bloxroute_cli.provider.ws_provider import WsProvider
ws_uri = "ws://127.0.0.1:28333"
async def main():
async with WsProvider(ws_uri) as ws:
subscription_id = await ws.subscribe("newBlocks", {"include": ["hash"]})
while True:
next_notification = await ws.get_next_subscription_notification_by_id(subscription_id)
print(next_notification) # or process it generally
await ws.unsubscribe(subscription_id)
if __name__ == '__main__':
asyncio.get_event_loop().run_until_complete(main())
​
Cloud-API

Subscribing to Cloud-API Feed in Python (line 7 creates the subscription):

import asyncio
from bloxroute_cli.provider.cloud_wss_provider import CloudWssProvider
async def main():
async with CloudWssProvider(
ssl_dir="/usr/bloxroute/certificate/external_gateway/registration_only"
) as ws:
subscription_id = await ws.subscribe("newBlocks", {"include": ["hash"]})
while True:
next_notification = await ws.get_next_subscription_notification_by_id(subscription_id)
print(next_notification) # or process it generally
await ws.unsubscribe(subscription_id)
if __name__ == '__main__':
asyncio.get_event_loop().run_until_complete(main())
Cloud-API (Non-Enterprise)

Subscribing to Cloud-API Feed in Python (line 8 creates the subscription):

import asyncio
from bloxroute_cli.provider.ws_provider import WsProvider
async def main():
async with WsProvider(
uri="wss://api.blxrbdn.com/ws",
headers={"Authorization": <YOUR-AUTHORIZATION-HEADER>}
) as ws:
subscription_id = await ws.subscribe("newBlocks", {"include": ["hash"]})
while True:
next_notification = await ws.get_next_subscription_notification_by_id(subscription_id)
print(next_notification) # or process it generally
await ws.unsubscribe(subscription_id)
if __name__ == '__main__':
asyncio.get_event_loop().run_until_complete(main())
​
Block Event
<<< {"jsonrpc": "2.0", "id": null, "method": "subscribe",
"params": {"subscription": "213883fe-b3e2-4da2-b9ba-196a82df8628",
"result": {"hash": "0x079b7f1b5a68d4301cf97df2f81c406aa598dd508e2d1908974b95ddd61a4156",
"header": {"parentHash": "0xafef6c6bd1049febe85834aa84735f81f2e81efd55d85a1076aae0adceba16de",
"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"miner": "0xea674fdde714fd979de3edf0f56aa9716b898ec8",
"stateRoot": "0x13f4a37eb7d0ca8ea309a631e51cca86eaa1b9765a2e6a9eb1614ddcf4ea57e4",
"transactionsRoot": "0x33d0f3c1ce4e3be6346738465cafc727f3500990c881d6fe4821567504badfd5",
"receiptsRoot": "0xad4fe2b36823a0b57f1c640d115eacc8cc1e64c73e49f89a131f206457afbf9f",
"logsBloom": "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",
"difficulty": "0xc39780fb04af3",
"number": "0xab05c3",
"gasLimit": "0xbdfca5",
"gasUsed": "0xbdb8e3",
"timestamp": "0x5fa62290",
"extraData": "0x65746865726d696e652d6575312d36",
"mixHash": "0x3cd96f6536c1cc745ce9a4f767d65a94b64392bc787e029e7c16339641265b0a",
"nonce": "0x327b58b8b7216cf5"},
"transactions": [{"from": "0xea674fdde714fd979de3edf0f56aa9716b898ec8",
"gas": "0xc350",
"gasPrice": "0x3b9aca00",
"hash": "0x587a2db59d1af16aa03521a711c3db5b443e5d05cfc72eccadb89c99380f7da0",
"input": "0x",
"nonce": "0x1b8a09b",
"value": "0x54fbe53cd2d1338",
"v": "0x25",
"r": "0x41f3261e25a3e77abd4b0bd4f21cfc2d92ca2d52ff9c663c9a68c6a382115dac",
"s": "0x4350bb6f770bb3363094774fe36478b20013c705f4041fc1bcd0f9fe520c9a23",
"to": "0x190aab185dbf089b1c5cf06a4f13421c14fc18fa"},
...
{"from": "0xc88f7666330b4b511358b7742dc2a3234710e7b1",
"gas": "0x5208",
"gasPrice": "0x7aef40a00",
"hash": "0x92df6598e3a2bc9550898fd7b3322594228e513c0098333bbefd6784a1aa90db",
"input": "0x",
"nonce": "0x6827c",
"value": "0x36e9c396c89e000",
"v": "0x25",
"r": "0x1653aae7a09b85b923b4602f69886c816f470f9b5167d16f2cbb963d00345583",
"s": "0x2c429419c8f23172d4fe4177f796daacf6cfccd9d1545d62957e13fa4af933db",
"to": "0x844359bf8d5fa20f32b0d679527adb93d6255abf"}],
"uncles": []}}}
​