tim/lib/types.js

Tradle's P2P OTR-based chat with plaintext and structured messages, and the ability to externalize messages onto a blockchain (currently bitcoin's)

const extend = require('xtend/mutable')
const typeforce = require('typeforce')
const constants = require('@tradle/constants')
const protocol = require('@tradle/protocol')
const CUR_HASH = constants.CUR_HASH
const ROOT_HASH = constants.ROOT_HASH

exports.hasRootHash = function (value) {
  return !!value[ROOT_HASH]
}

exports.identifier = function (value) {
  return value.fingerprint || value.pubKey || value[ROOT_HASH]
}

exports.pubKey = typeforce.compile({
  fingerprint: 'String',
  purpose: 'String',
  type: 'String',
  value: 'String',
  networkName: '?String'
})

exports.identity = typeforce.compile({
  pubkeys: typeforce.arrayOf(exports.pubKey)
})

exports.identityInfo = typeforce.compile({
  [ROOT_HASH]: 'String',
  [CUR_HASH]: 'String',
  identity: exports.identity
})

// exports.identifierStrict = function (value) {
//   return r.pubKey || r[ROOT_HASH]
// }

exports.ecPubKey = function (value) {
  return hex(value)
}

exports.hex = function (value) {
  try {
    return parseInt(value, 16).toString(16) === value
  } catch (err) {
    return false
  }
}

extend(exports, protocol.types)