v1.6.7.2

新增了OKCSecp256k1Wallet，实现对ETH地址兼容

v1.5.6

add ibc transfer

v1.1.8

1. support private key export old address
2. support old address transfer tx type. include "tendermint/PubKeySecp256k1” and "ethermint/PubKeyEthSecp256k1"

v0.18.0

convert okexchain address to ex address

v0.17.0

convert address prefix okexchain to ex

v0.16.1

add wallet module

v0.16.0

url path: /okexchain-test/v1