Centralize explorer bridge destination selectors

scripts/verify-fee-calculation.sh

@@ -7,6 +7,7 @@ set -euo pipefail
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+source "$PROJECT_ROOT/scripts/lib/ccip-destinations.sh"
 
 # Colors
 RED='\033[0;31m'
@@ -34,7 +35,7 @@ LINK_TOKEN="0x514910771AF9Ca656af840dff83E8264EcF986CA"
 
 # Default values
 AMOUNT_ETH="${1:-0.001}"
-DEST_SELECTOR="${2:-5009297550715157269}"  # Ethereum Mainnet
+DEST_SELECTOR="${2:-$(ccip_destination_selector_by_name "Ethereum Mainnet")}"  # Ethereum Mainnet
 
 log_info "========================================="
 log_info "Fee Calculation Verification"
@@ -147,4 +148,3 @@ else
     log_info "    3. Fee calculation is handled by a separate contract"
 fi
 log_info ""
-