openpgp.cleartext
.readArmored(req.body.message)
.then(message => {
openpgp.key
.readArmored(nodes[0].value.key)
.then(key => {
...
})
})
could be openpgp.cleartext
.readArmored(req.body.message)
.then(message =>
openpgp.key.readArmored(nodes[0].value.key)
)
.then(key => {
...
})