chore(solana): add funding step to fund MCM authorities

Author: xenoliss

solana/mainnet/2025-10-27-deploy-mcm/.env

@@ -68,3 +68,6 @@ NEW_UPGRADE_AUTHORITY=$(MCM_AUTHORITY_0)
 
 # Signature of the set-upgrade-authority tx (used to generate the set-upgrade-authority artifacts)
 SET_UPGRADE_AUTHORITY_SIGNATURE=
+
+# Variables for funding MCM authorities
+SOL_AMOUNT=0.5

solana/mainnet/2025-10-27-deploy-mcm/Makefile

@@ -147,3 +147,10 @@ step9-transfer-upgrade-authority:
 step10-generate-set-upgrade-authority-artifacts:
 	@echo "==> Step 10: Generating MCM set-upgrade-authority artifacts..."
 	make sol-confirm SIG=$(SET_UPGRADE_AUTHORITY_SIGNATURE) output=artifacts/set-upgrade-authority-artifacts.json
+
+# Step 11: Fund MCM authorities (inherited from parent)
+.PHONY: step11-fund-mcm-authorities
+step11-fund-mcm-authorities:
+	@echo "==> Step 11: Funding MCM authorities..."
+	make sol-transfer SOL_RECIPIENT=$(MCM_AUTHORITY_0) output=artifacts/fund-mcm-authority-0.json
+	make sol-transfer SOL_RECIPIENT=$(MCM_AUTHORITY_1) output=artifacts/fund-mcm-authority-1.json