Problem: Fix non-hex message signing through walletConnect

[crypto-matto]

Issue

Message signing should often comes in Hex

But for some scenario, when a non-Hex string pass to WalletConnect, spaces got trimmed:

Tracing back to the source, it's the WalletConnect Class from lib @walletconnect causing the issue.

[XinyuCRO]

I think it's not a issue, DApp should follow the spec and pass the hexed string instead

[crypto-matto]

I think it's not a issue, DApp should follow the spec and pass the hexed string instead

Agree. So far I also see DApps are usually passing hex string. I'll update this as a safety measure though. I've reflected this to @damoncro to consider hexing the string before passing the message in his service, as not sure if some other wallets will be missing the handling of this issue as well~