clone dogeking solidity
this solidity for heco.
MDEX SwapRount: 0xED7d5F38C79115ca12fe6C0041abb22F0A06C300
USDT: 0xa71edc38d189767582c38a3145b5873052c3e47a
ETH: 0x64ff637fb478863b7468bc97d30a5bf3a428a1fd
BTC: 0x66a79d23e58475d2738179ca52cd0b41d73f0bea
RPC Server Address:https://http-mainnet.hecochain.com
ChainID:128