From b3890ca8e9cf5b2fd986b567dd12280226f9f203 Mon Sep 17 00:00:00 2001
From: Sergei Tikhomirov <sergey.s.tikhomirov@gmail.com>
Date: Fri, 13 Dec 2024 17:54:04 +0100
Subject: [PATCH] move Web3 provider RPC URL into env variable

---
 tests/incentivization/test_poc.nim  | 7 +++++--
 waku/incentivization/txid_proof.nim | 1 +
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/tests/incentivization/test_poc.nim b/tests/incentivization/test_poc.nim
index 0495a44344..d6fadb1e6d 100644
--- a/tests/incentivization/test_poc.nim
+++ b/tests/incentivization/test_poc.nim
@@ -1,7 +1,7 @@
 {.used.}
 
 import
-  std/[options], testutils/unittests, chronos, web3, stew/byteutils, stint, strutils
+  std/[options], testutils/unittests, chronos, web3, stew/byteutils, stint, strutils, os
 
 import
   waku/[node/peer_manager, waku_core],
@@ -19,7 +19,10 @@ const TxHashSimpleTransfer* =
   TxHash.fromHex("0xa3985984b2ec3f1c3d473eb57a4820a56748f25dabbf9414f2b8380312b439cc")
 const ExpectedToAddress = Address.fromHex("0x5e809a85aa182a9921edd10a4163745bb3e36284")
 const ExpectedValue = 200500000000005063.u256
-const EthClient = "https://sepolia.infura.io/v3/470c2e9a16f24057aee6660081729fb9"
+
+# To set up the environment variable (replace Infura with your provider if needed):
+# $ export WEB3_RPC_URL="https://sepolia.infura.io/v3/YOUR_API_KEY"
+const EthClient = os.getEnv("WEB3_RPC_URL")
 
 suite "Waku Incentivization PoC Eligibility Proofs":
   ## Tests for service incentivization PoC.
diff --git a/waku/incentivization/txid_proof.nim b/waku/incentivization/txid_proof.nim
index 3a4d7dcdef..3f5b7c527a 100644
--- a/waku/incentivization/txid_proof.nim
+++ b/waku/incentivization/txid_proof.nim
@@ -36,6 +36,7 @@ proc isEligibleTxId*(
   if eligibilityProof.proofOfPayment.isNone():
     return err("Eligibility proof is empty")
   var web3: Web3
+  echo "WEB3_RPC_URL: " & ethClient
   try:
     web3 = await newWeb3(ethClient)
   except ValueError: