v1.5.6

Merge PR: upgrade to v1.5.6 (#154)

v1.1.2

Send Ethereum tx with a new hash encoded function

v0.19.17

• upgrade exchain into v0.19.17
• add a new way to send evm tx

v0.19.0

Merge pull request #142 from okex/michael.w/update-go-mod

update go.mod

v0.18.2

Merge PR: add ethclient (#139)

* add evmclient.ethclient

* add ethclient.go

* keep same with master

* add rpc interface

* fix callContext

* fix code rule

* rename main() in sample

* del unusable code

* wrapped rpcClient

* fix sample

* move samples

v0.18.1

Merge PR: add validator address prefix converting function  && tag v0…

….18.1 (#134)

* FINISH: add val prefix converting

* FINISH: ut of val addr prefix converting

* remove useless code

* FIX: ut bug

v0.18.0

bump version to v0.18.0 (#133)

v0.17.1

rename prefix to "ex"

v0.17.0

convert address prefix okexchain to ex

v0.16.1

FINISH: EstimateGasProxy for Web3ProxyQuery (#126)