Add kernel contract eth-proxy

[codecov-commenter]

Codecov Report

Merging #218 (47524e3) into master (9bdaaa2) will increase coverage by 0.10%. The diff coverage is 57.43%.

@@            Coverage Diff             @@
##           master     #218      +/-   ##
==========================================
+ Coverage   48.23%   48.34%   +0.10%     
==========================================
  Files         134      135       +1     
  Lines       11513    11661     +148     
==========================================
+ Hits         5553     5637      +84     
- Misses       4819     4855      +36     
- Partials     1141     1169      +28     

Impacted Files	Coverage Δ
kernel/engines/xuperos/chain.go	47.75% <25.00%> (-0.38%)	:arrow_down:
kernel/evm/evm.go	58.33% <58.33%> (ø)
bcs/consensus/xpoa/xpoa.go	55.06% <0.00%> (-1.77%)	:arrow_down:
bcs/consensus/tdpos/tdpos.go	40.96% <0.00%> (-0.81%)	:arrow_down:
kernel/consensus/base/driver/chained-bft/smr.go	50.46% <0.00%> (+0.92%)	:arrow_up:
bcs/network/p2pv2/server.go	52.40% <0.00%> (+1.06%)	:arrow_up:

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