Synapse avaiable and download fix

[ucwong]

No description provided.

[codecov]

Codecov Report

Merging #702 into master will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #702      +/-   ##
==========================================
- Coverage   50.14%   50.11%   -0.03%     
==========================================
  Files         417      417              
  Lines       52886    52888       +2     
==========================================
- Hits        26519    26507      -12     
- Misses      24330    24342      +12     
- Partials     2037     2039       +2     

Impacted Files	Coverage Δ
inference/synapse/local_infer.go	0.00% <0.00%> (ø)
inference/synapse/synapse.go	0.00% <0.00%> (ø)
consensus/cuckoo/sealer.go	0.00% <0.00%> (-6.76%)	⬇️
consensus/cuckoo/cuckoo.go	31.91% <0.00%> (-4.26%)	⬇️
trie/proof.go	75.74% <0.00%> (-1.50%)	⬇️
p2p/rlpx.go	71.38% <0.00%> (-1.14%)	⬇️
p2p/simulations/network.go	59.92% <0.00%> (-0.72%)	⬇️
p2p/peer.go	78.99% <0.00%> (ø)
p2p/server.go	66.98% <0.00%> (+0.38%)	⬆️
ctxc/downloader/downloader.go	78.54% <0.00%> (+0.43%)	⬆️
... and 3 more