tx-mining-service patch

tx-mining-service.patch

diff --git a/Pipfile b/Pipfile
index 7abf186..2e73894 100644
--- a/Pipfile
+++ b/Pipfile
@@ -20,6 +20,7 @@ aiohttp = "*"
 base58 = "*"
 structlog = "*"
 prometheus-client = "*"
+aiohttp_cors="*"
 
 [requires]
 python_version = "3.8"
diff --git a/txstratum/api.py b/txstratum/api.py
index 2060166..1132393 100644
--- a/txstratum/api.py
+++ b/txstratum/api.py
@@ -6,11 +6,13 @@ import json
 from typing import TYPE_CHECKING, Optional
 
 from aiohttp import web
+import aiohttp_cors
 
 from txstratum.commons import TokenCreationTransaction, Transaction
 from txstratum.jobs import JobStatus, MinerTxJob
 from txstratum.utils import tx_or_block_from_bytes
 
+
 if TYPE_CHECKING:
     from txstratum.manager import TxMiningManager
 
@@ -34,11 +36,18 @@ class App:
         self.max_tx_weight: float = max_tx_weight or MAX_TX_WEIGHT
         self.tx_timeout: float = tx_timeout or TX_TIMEOUT
         self.app = web.Application()
-        self.app.router.add_get('/health-check', self.health_check)
-        self.app.router.add_get('/mining-status', self.mining_status)
-        self.app.router.add_get('/job-status', self.job_status)
-        self.app.router.add_post('/submit-job', self.submit_job)
-        self.app.router.add_post('/cancel-job', self.cancel_job)
+        cors = aiohttp_cors.setup(self.app, defaults={
+            "*": aiohttp_cors.ResourceOptions(
+                allow_credentials=True,
+                expose_headers="*",
+                allow_headers="*",
+            )
+        })
+        cors.add(self.app.router.add_get('/health-check', self.health_check))
+        cors.add(self.app.router.add_get('/mining-status', self.mining_status))
+        cors.add(self.app.router.add_get('/job-status', self.job_status))
+        cors.add(self.app.router.add_post('/submit-job', self.submit_job))
+        cors.add(self.app.router.add_post('/cancel-job', self.cancel_job))
 
     async def health_check(self, request: web.Request) -> web.Response:
         """Return that the service is running."""