fix: support GIWA Blockscout source verification

.env.testnet.example

@@ -2,6 +2,9 @@
 RPC_URL=
 CHAIN_ID=
 
+# Optional explorer source verification. GIWA Sepolia uses Blockscout.
+BLOCKSCOUT_API_URL=https://sepolia-explorer.giwa.io/api
+
 # Foundry sender address. Import its key with:
 # cast wallet import corner-store-testnet --interactive
 CORNER_STORE_TESTNET_DEPLOYER=

docs/testnet-deployment.md

@@ -214,8 +214,23 @@ scripts/deploy-testnet-rfq.sh \
   --verify
 ```
 
-Custom explorers may require a verifier URL or Sourcify instead. Use the
-network's official instructions; never commit explorer credentials.
+GIWA Sepolia uses Blockscout and requires its official verifier endpoint:
+
+```sh
+export BLOCKSCOUT_API_URL=https://sepolia-explorer.giwa.io/api
+
+scripts/deploy-testnet-rfq.sh \
+  --rpc-url "$RPC_URL" \
+  --chain-id "$CHAIN_ID" \
+  --account corner-store-giwa \
+  --broadcast \
+  --verify \
+  --verifier blockscout \
+  --verifier-url "$BLOCKSCOUT_API_URL"
+```
+
+Other custom explorers may require a different verifier URL or Sourcify. Use
+the network's official instructions; never commit explorer credentials.
 
 ## Deployment Outputs for a Hackathon Submission
 

howtodeploy.md

@@ -148,6 +148,7 @@ ls -la .env.testnet.example scripts/deploy-testnet-rfq.sh
 ```dotenv
 RPC_URL=https://sepolia-rpc.giwa.io
 CHAIN_ID=91342
+BLOCKSCOUT_API_URL=https://sepolia-explorer.giwa.io/api
 
 # cast wallet address --account corner-store-giwa 결과
 CORNER_STORE_TESTNET_DEPLOYER=0x...
@@ -259,10 +260,15 @@ scripts/deploy-testnet-rfq.sh \
   --rpc-url "$RPC_URL" \
   --chain-id "$CHAIN_ID" \
   --account corner-store-giwa \
-  --broadcast
+  --broadcast \
+  --verify \
+  --verifier blockscout \
+  --verifier-url "$BLOCKSCOUT_API_URL"
 ```
 
-Foundry가 keystore 비밀번호를 요청하면 3번 단계에서 설정한 비밀번호를 입력한다.
+GIWA 공식 Foundry 가이드의 Blockscout API endpoint를 사용해 배포와 source
+verification을 함께 수행한다. Foundry가 keystore 비밀번호를 요청하면 3번
+단계에서 설정한 비밀번호를 입력한다.
 스크립트는 다음을 자동으로 수행한다.
 
 1. GIWA Chain ID 재확인

scripts/deploy-testnet-rfq.sh

@@ -12,6 +12,8 @@ PASSWORD_FILE=""
 USE_LEDGER=0
 BROADCAST=0
 VERIFY=0
+VERIFIER=""
+VERIFIER_URL=""
 ARTIFACT="${CORNER_STORE_ARTIFACT:-}"
 FINAL_ARTIFACT=""
 
@@ -20,7 +22,7 @@ usage() {
 Usage:
   scripts/deploy-testnet-rfq.sh --rpc-url URL --chain-id ID \
     (--account NAME | --keystore FILE [--password-file FILE] | --ledger) \
-    [--broadcast] [--verify]
+    [--broadcast] [--verify [--verifier NAME] [--verifier-url URL]]
 
 Required environment:
   CORNER_STORE_TESTNET_DEPLOYER
@@ -59,6 +61,8 @@ while [[ $# -gt 0 ]]; do
     --ledger) USE_LEDGER=1; shift ;;
     --broadcast) BROADCAST=1; shift ;;
     --verify) VERIFY=1; shift ;;
+    --verifier) require_value "$1" "${2-}"; VERIFIER="$2"; shift 2 ;;
+    --verifier-url) require_value "$1" "${2-}"; VERIFIER_URL="$2"; shift 2 ;;
     -h|--help) usage; exit 0 ;;
     *) echo "ERROR: unknown argument: $1" >&2; usage >&2; exit 2 ;;
   esac
@@ -78,6 +82,10 @@ if [[ -n "$PASSWORD_FILE" && -z "$KEYSTORE" ]]; then
   echo "ERROR: --password-file requires --keystore" >&2
   exit 2
 fi
+if [[ ( -n "$VERIFIER" || -n "$VERIFIER_URL" ) && "$VERIFY" -ne 1 ]]; then
+  echo "ERROR: --verifier and --verifier-url require --verify" >&2
+  exit 2
+fi
 
 for name in \
   CORNER_STORE_TESTNET_DEPLOYER \
@@ -144,6 +152,8 @@ else
 fi
 if [[ "$VERIFY" -eq 1 ]]; then
   MUTATION_ARGS+=(--verify)
+  [[ -n "$VERIFIER" ]] && MUTATION_ARGS+=(--verifier "$VERIFIER")
+  [[ -n "$VERIFIER_URL" ]] && MUTATION_ARGS+=(--verifier-url "$VERIFIER_URL")
 fi
 
 forge script script/DeployTestnetRFQ.s.sol:DeployTestnetRFQ \