debug-build: dump char encoding

package.json

@@ -30,6 +30,7 @@
     "fastify-metrics": "^10.3.0",
     "fastify-plugin": "^4.5.0",
     "graphql-request": "^5.2.0",
+    "iconv-lite": "^0.6.3",
     "ioredis": "^5.3.2",
     "libphonenumber-js": "^1.10.30",
     "moment-timezone": "^0.5.43",

src/machines/transfer.ts

@@ -19,6 +19,7 @@ import { config } from '@/config';
 import {getPhoneNumberFromAddress} from "@services/account";
 import {logger} from "@/app";
 import {ethers} from "ethers";
+import iconv from "iconv-lite"
 
 const VPA_PATTERN = /^[a-zA-Z0-9]+@[a-zA-Z]+$/
 
@@ -318,6 +319,17 @@ async function validateRecipient(context: TransferContext, event: any) {
   const { input } = event
   let phoneNumber = input;
   let checksumAddress: string;
+
+  logger.debug({
+    user: context.user.account,
+    inputUtf8Buffer: iconv.encode(input, "utf8")
+  }, "input as utf8 buffer")
+
+  logger.debug({
+    user: context.user.account,
+    inputLatin1Buffer: iconv.encode(input, "ISO-8859-1")
+  }, "input as latin1 buffer")
+
   if(input.startsWith('0x')){
     try {
       checksumAddress = ethers.getAddress(input)

src/services/africasTalking.ts

@@ -2,6 +2,8 @@ import { SystemError } from '@lib/errors';
 import { SessionRequest } from '@services/session';
 import { getCountryCode } from '@lib/ussd';
 import { config } from '@/config';
+import { logger } from '@/app';
+import iconv from "iconv-lite"
 
 export const ATRequestBody = {
   type: 'object',
@@ -29,6 +31,16 @@ export async function ATOnRequestHook(request: SessionRequest) {
 export async function ATPreHandlerHook(request: SessionRequest) {
   const { phoneNumber, sessionId, serviceCode, text } = request.body as ATRequest;
 
+  logger.debug({
+    inputUtf8Buffer: iconv.encode(text, "utf8"),
+    phoneNumber: phoneNumber,
+  }, "AT request as utf8 buffer")
+
+  logger.debug({
+    inputLatin1Buffer: iconv.encode(text, "ISO-8859-1"),
+    phoneNumber: phoneNumber,
+  }, "AT reuqest text as latin1 buffer")
+
   const countryCode = await getCountryCode(phoneNumber)
   if (!countryCode) {
     throw new SystemError(`Could not determine country code from phone number: ${phoneNumber}`);