Merge pull request #23 from burnt-labs/audit-fix/13

Item 13: implement overflow checks and optimization

Author: ash-burnt

Cargo.toml

@@ -3,6 +3,11 @@ members = [
     "account"
 ]
 
+[profile.release]
+opt-level = 3               # Use slightly better optimizations.
+overflow-checks = true     # Disable integer overflow checks.
+
+
 [workspace.dependencies]
 cosmos-sdk-proto = { version = "0.19", default-features = false }
 cosmwasm-schema  = "=1.4.1"