From 31a3a2e4df0c9dc27393ae91f22f2e9b74951ca5 Mon Sep 17 00:00:00 2001 From: Sergei Pepyakin Date: Wed, 23 Jan 2019 14:21:54 +0100 Subject: [PATCH] Add comment about guarantees (#105) --- polkadot/parachain/src/wasm_executor.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/polkadot/parachain/src/wasm_executor.rs b/polkadot/parachain/src/wasm_executor.rs index c86438290e..402fd936e5 100644 --- a/polkadot/parachain/src/wasm_executor.rs +++ b/polkadot/parachain/src/wasm_executor.rs @@ -230,6 +230,9 @@ pub fn validate_candidate( }; // allocate call data in memory. + // we guarantee that: + // - `offset` has alignment at least of 8, + // - `len` is not zero. let (offset, len) = { let encoded_call_data = params.encode();