Centralize explorer bridge destination selectors

scripts/configure-ethereum-mainnet-destination.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'
@@ -39,7 +40,7 @@ if [ -z "$PRIVATE_KEY" ]; then
 fi
 
 # Ethereum Mainnet configuration
-ETHEREUM_MAINNET_SELECTOR="5009297550715157269"
+ETHEREUM_MAINNET_SELECTOR="${ETHEREUM_MAINNET_SELECTOR:-$(ccip_destination_selector_by_name "Ethereum Mainnet")}"
 WETH9_MAINNET_BRIDGE="0x2A0840e5117683b11682ac46f5CF5621E67269E3"
 WETH10_MAINNET_BRIDGE="0xb7721dD53A8c629d9f1Ba31a5819AFe250002b03"
 
@@ -245,4 +246,3 @@ log_info ""
 log_info "To verify all destinations:"
 log_info "  ./scripts/check-bridge-config.sh"
 log_info ""
-