matiu

const B  = require('bitcore-lib');


// Example signature, from an actual jsonPaymentProtocol header.
const h ='6d580c9bc2fbaff7614e3a030d536417d07d6dfb93f7c8887aac4e67e27c3e32';
const s ='e7a6490572855eb8feedabe32872424a2aef5b0b0f6e8b7d1959f6621de8c15a3871283a8fa78fc292444c50dc578dc58bd924d947f2ecc4bb91c250885a518a';
const p ='03159069584176096f1c89763488b94dbc8d5e1fa7bf91f50b42f4befe4e45295a';

 
hbuf = Buffer.from(h,'hex');

matiu

1. Download signature file
2. Check it by running:

$ gpg --verify \
 $FILENAME.sig \
 $FILENAME

# If should say:

 "Good signature from "Copay (visit copay.io) "