Merge branch 'feat/eth-encode'

Merge pull request renproject#25 from renproject/fix/zcash-upgrade

Update zcash network params to support Heartwood and Canopy upgrade

add unspentoutput method to utxo clients

add network type

do not drop inner retry error

get chaintype from chain

Merge branch 'feat/migrate-to-new-api'

Merge pull request renproject#13 from renproject/feat/migrate-to-new-api

new API for Multichain

add gitignore