sx sign-input Javascript equivalent

[antonimasso]

Hello,

Does anyone know if there is something already made in Javascript that emulates this:

echo $private_key | sx sign-input xfile.tx 0 $(cat redeem.script)

Thanks

[antonimasso]

I managed to do it using bitcoinjs-lib.

[genjix]

great stuff, darkwallet uses that too. you can check its source to compare with your code.