Add ERC1155Transfers method

Many thanks to @Pashteto .

Support Free Gas Tracker Endpoints

Many thanks to @avislash !

ContractSource now has more handy fields

Thanks to @rmsrob .

v1.7.0: add minimal support for eth_getLogs

Thanks for @avislash for #68 !

v1.6.0: add ERC721Transfers()

Many thanks to @7AC for #63 !

v1.5.0: Supporting Get Block Number by Timestamp

Many thanks to @avislash for #58 .

Good news, we got listed in Etherscan API doc!

add network Goerli

Thanks to @krasi-georgiev for #27 .

Bring your own http.Client

You can now use your own http.Client in NewCustomized().

Thanks to @will7200 for contribution in #26.

add NewCustomized() so that client works with etherscan-family API like BscScan

A big thanks to @kevinjqiu for his thoughts(#23).

test: input etherscan API key through enviroment variable

Etherscan now demands a valid API key for testing and debugging.

Use enviroment variable to provide one when testing:

ETHERSCAN_API_KEY=YourKeyHere go test ./...