liquidity-commitment-cancel.py

#!/usr/bin/python3

import json
import time
import requests
import helpers

# Vega wallet interaction helper, see login.py for detail
from login import token, pubkey

# Load Vega node API v2 URL, this is set using 'source vega-config'
# located in the root folder of the sample-api-scripts repository
data_node_url_rest = helpers.get_from_env("DATA_NODE_URL_REST")
# Load Vega wallet server URL, set in same way as above
wallet_server_url = helpers.get_from_env("WALLET_SERVER_URL")

# Load Vega market id
market_id = helpers.env_market_id()
assert market_id != ""

# Set market id in ENV or uncomment the line below to override market id directly
market_id = "e503cadb437861037cddfd7263d25b69102098a97573db23f8e5fc320cea1ce9"

#####################################################################################
#                C A N C E L   L I Q U I D I T Y   C O M M I T M E N T              #
#####################################################################################

# __cancel_liquidity_commitment:
# Compose a liquidity commitment cancellation command
# Hint: The transaction may get rejected if removing previously supplied liquidity
# will result in insufficient liquidity for the market to operate
submission = {
    "liquidityProvisionCancellation": {
        "marketId": market_id,
    },
    "pubKey": pubkey,
    "propagate": True
}
# :cancel_liquidity_commitment__

print("Liquidity commitment cancellation:\n{}".format(
    json.dumps(submission, indent=2, sort_keys=True)
))

# __sign_tx_liquidity_cancel:
# Sign the transaction with an order submission command
url = "http://localhost:1789/api/v2/requests"

payload1 = {
    "id": "1",
    "jsonrpc": "2.0",
    "method": "client.send_transaction",
    "params": {
        "publicKey": pubkey,
        "sendingMode": "TYPE_SYNC",
        "transaction": submission
    }
}

payload = json.dumps(payload1)

headers = {
  'Content-Type': 'application/json-rpc',
  'Accept': 'application/json-rpc',
  'Origin': 'application/json-rpc', 
  'Authorization': f'{token}'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)
# :sign_tx_liquidity_cancel__

print("Signed liquidity commitment cancellation and sent to Vega")

# Wait for cancellation to be included in a block
print("Waiting for blockchain...")
time.sleep(3)