v0.0.0-genesis.2

FIxed

• fixed totalSupply undefined issue
• fixed change account issue

Feat

• update rinkeby testnet new demo NFT contract（0x52cb1920b5724849459cea32b8a08dc9e45e804e）

v0.0.0-genesis.1

Genesis

Feature

• add Metamask connector support
• add Infura provider support

Improve

• add helper contract function