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nimbus-eth2
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Address #1695 

Better error messages when the beacon node is asked to listen on a
reserved port (0) or an already taken one.
This commit is contained in:
Zahary Karadjov 2020-10-09 16:37:12 +03:00
parent d69d89866e
commit 00a8a68671
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2 changed files with 13 additions and 3 deletions
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14
beacon_chain/eth2_network.nim
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@ -961,8 +961,18 @@ template publicKey*(node: Eth2Node): keys.PublicKey =
proc startListening*(node: Eth2Node) {.async.} = proc startListening*(node: Eth2Node) {.async.} =
if node.discoveryEnabled: if node.discoveryEnabled:
node.discovery.open() try:
node.libp2pTransportLoops = await node.switch.start() node.discovery.open()
except CatchableError as err:
fatal "Failed to start discovery service. UDP port may be already in use"
quit 1
try:
node.libp2pTransportLoops = await node.switch.start()
except CatchableError:
fatal "Failed to start LibP2P transport. TCP port may be already in use"
quit 1
await node.pubsub.start() await node.pubsub.start()
proc start*(node: Eth2Node) {.async.} = proc start*(node: Eth2Node) {.async.} =

2
vendor/nim-confutils vendored

@ -1 +1 @@
Subproject commit 5c81aab54d00bb4cc0921fc9d3ace828b1fcc09f Subproject commit 5d8d1ea648884a460518e7819be2d406e3a4ab0f