feat: scorechain address analysis

lib/plugins/wallet-scoring/scorechain/scorechain.js

@@ -0,0 +1,74 @@
+const axios = require('axios')
+const _ = require('lodash/fp')
+
+
+const NAME = 'Scorechain'
+const SUPPORTED_COINS = {
+  BTC: 'BITCOIN',
+  ETH: 'ETHEREUM',
+  USDT: 'ETHEREUM',
+  BCH: 'BITCOINCASH',
+  LTC: 'LITECOIN',
+  DASH: 'DASH',
+  TRX: 'TRON',
+  USDT_TRON: 'TRON'
+}
+
+const TYPE = {
+  TRANSACTION: 'TRANSACTION',
+  ADDRESS: 'ADDRESS'
+}
+
+function rate (account, objectType, cryptoCode, objectId) {
+  if (_.isNil(account) || !account.enabled || !Object.keys(SUPPORTED_COINS).includes(cryptoCode)) return Promise.resolve(null)
+
+  const threshold = account.scoreThreshold
+  const payload = {
+    analysisType: 'ASSIGNED',
+    objectType,
+    objectId,
+    blockchain: SUPPORTED_COINS[cryptoCode],
+    coin: "ALL"
+  }
+
+  return axios.post(`https://api.scorechain.com/v1/scoringAnalysis`, payload, { headers: { 'X-API-KEY': account.apiKey }
+  })
+    .then(res => {
+      const resScore = res.data?.analysis?.assigned?.result?.score
+      if (!resScore) throw new Error('Failed to get score from Scorechain API')
+
+      // normalize score to 0-10 where 0 is the highest risk
+      // use 101 instead of 100 to avoid division by zero
+      return { score: (101 - resScore) / 10 - 0.1, isValid: resScore >= threshold }
+    })
+    .catch(err => {
+      throw err
+    })
+}
+
+function rateTransaction (account, cryptoCode, transactionId) {
+  rate(account, TYPE.TRANSACTION, cryptoCode, transactionId)
+}
+
+function rateAddress (account, cryptoCode, address) {
+  rate(account, TYPE.ADDRESS, cryptoCode, address)
+}
+
+function isWalletScoringEnabled (account, cryptoCode) {
+  const isAccountEnabled = !_.isNil(account) && account.enabled
+
+  if (!isAccountEnabled) return Promise.resolve(false)
+
+  if (!Object.keys(SUPPORTED_COINS).includes(cryptoCode)) {
+    return Promise.reject(new Error('Unsupported crypto: ' + cryptoCode))
+  }
+
+  return Promise.resolve(true)
+}
+
+module.exports = {
+  NAME,
+  rateAddress,
+  rateTransaction,
+  isWalletScoringEnabled
+}