chore: use monorepo organization

packages/server/lib/plugins/zero-conf/blockcypher/blockcypher.js

@@ -0,0 +1,48 @@
+const qs = require('querystring')
+const axios = require('axios')
+const _ = require('lodash/fp')
+
+const { fetchRBF } = require('../../wallet/bitcoind/bitcoind')
+module.exports = { authorize }
+
+function highConfidence (confidence, txref, txRBF) {
+  if (txref.double_spend) return 0
+  if (txRBF) return 0
+  if (txref.confirmations > 0 || txref.confidence * 100 >= confidence) return txref.value
+  return 0
+}
+
+function authorize (account, toAddress, cryptoAtoms, cryptoCode, isBitcoindAvailable) {
+  return Promise.resolve()
+    .then(() => {
+      if (cryptoCode !== 'BTC') throw new Error('Unsupported crypto: ' + cryptoCode)
+
+      const query = qs.stringify({
+        token: account.token,
+        includeConfidence: true
+      })
+
+      const confidence = account.confidenceFactor
+      const isRBFEnabled = account.rbf
+      const url = `https://api.blockcypher.com/v1/btc/main/addrs/${toAddress}?${query}`
+
+      return axios.get(url)
+        .then(r => {
+          const data = r.data
+          if (isBitcoindAvailable && isRBFEnabled && data.unconfirmed_txrefs) {
+            const promises = _.map(unconfirmedTxref => fetchRBF(unconfirmedTxref.tx_hash), data.unconfirmed_txrefs)
+            return Promise.all(promises)
+              .then(values => {
+                const unconfirmedTxsRBF = _.fromPairs(values)
+                const sumTxRefs = txrefs => _.sumBy(txref => highConfidence(confidence, txref, unconfirmedTxsRBF[txref.tx_hash]), txrefs)
+                const authorizedValue = sumTxRefs(data.txrefs) + sumTxRefs(data.unconfirmed_txrefs)
+                return cryptoAtoms.lte(authorizedValue)
+              })
+          }
+
+          const sumTxRefs = txrefs => _.sumBy(txref => highConfidence(confidence, txref), txrefs)
+          const authorizedValue = sumTxRefs(data.txrefs) + sumTxRefs(data.unconfirmed_txrefs)
+          return cryptoAtoms.lte(authorizedValue)
+        })
+    })
+}

packages/server/lib/plugins/zero-conf/mock-zero-conf/mock-zero-conf.js

@@ -0,0 +1,11 @@
+module.exports = {authorize}
+
+function authorize (account, toAddress, cryptoAtoms, cryptoCode) {
+  return Promise.resolve()
+    .then(() => {
+      if (cryptoCode !== 'BTC') throw new Error('Unsupported crypto: ' + cryptoCode)
+
+      const isAuthorized = false
+      return isAuthorized
+    })
+}