Add changelly

package.json

@@ -66,6 +66,7 @@
     "@types/node-fetch": "2.x",
     "@types/request": "^2.48.7",
     "@types/url-parse": "^1.4.3",
+    "@types/utf8": "^3.0.1",
     "@types/ws": "^7.2.6",
     "@typescript-eslint/eslint-plugin": "^4.8.2",
     "@typescript-eslint/parser": "^4.8.2",
@@ -75,7 +76,7 @@
     "buffer": "^6.0.3",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
-    "edge-core-js": "^0.19.33",
+    "edge-core-js": "^0.19.36",
     "eslint": "^7.14.0",
     "eslint-config-standard-kit": "0.15.1",
     "eslint-plugin-flowtype": "^5.2.0",

src/index.ts

@@ -10,6 +10,7 @@ import { makeEdgeRatesPlugin } from './rate/edgeRates'
 import { makeNomicsPlugin } from './rate/nomics'
 import { makeWazirxPlugin } from './rate/wazirx'
 import { makeChangeHeroPlugin } from './swap/changehero'
+import { makeChangellyPlugin } from './swap/changelly'
 import { makeChangeNowPlugin } from './swap/changenow'
 import { makeThorchainPlugin } from './swap/defi/thorchain'
 import { makeThorchainDaPlugin } from './swap/defi/thorchainDa'
@@ -39,6 +40,7 @@ const edgeCorePlugins = {
 
   // Swap plugins:
   changehero: makeChangeHeroPlugin,
+  changelly: makeChangellyPlugin,
   changenow: makeChangeNowPlugin,
   exolix: makeExolixPlugin,
   godex: makeGodexPlugin,

src/swap/changehero.ts

@@ -82,18 +82,12 @@ const asCreateFixTransactionReply = asObject({
   })
 })
 
-const dontUseLegacy: { [cc: string]: boolean } = {
-  DGB: true
-}
-
 async function getAddress(
   wallet: EdgeCurrencyWallet,
   currencyCode: string
 ): Promise<string> {
-  const addressInfo = await wallet.getReceiveAddress({ currencyCode })
-  return addressInfo.legacyAddress != null && !dontUseLegacy[currencyCode]
-    ? addressInfo.legacyAddress
-    : addressInfo.publicAddress
+  const { publicAddress } = await wallet.getReceiveAddress({ currencyCode })
+  return publicAddress
 }
 
 function checkReply(