PR Comment: move where truncating address length to 20

x/wasm/keeper/keeper.go

@@ -819,7 +819,9 @@ func BuildContractAddress(codeID, instanceID uint64) sdk.AccAddress {
 	contractID := make([]byte, 16)
 	binary.BigEndian.PutUint64(contractID[:8], codeID)
 	binary.BigEndian.PutUint64(contractID[8:], instanceID)
-	return Module(types.ModuleName, contractID)
+	// 20 bytes to work with Cosmos SDK 0.42 (0.43 pushes for 32 bytes)
+	// TODO: remove truncate if we update to 0.43 before wasmd 1.0
+	return Module(types.ModuleName, contractID)[:20]
 }
 
 // Hash and Module is taken from https://github.com/cosmos/cosmos-sdk/blob/v0.43.0-rc2/types/address/hash.go
@@ -838,10 +840,7 @@ func Hash(typ string, key []byte) []byte {
 	assertNil(err)
 	_, err = hasher.Write(key)
 	assertNil(err)
-	hashed := hasher.Sum(nil)
-	// 20 bytes to work with Cosmos SDK 0.42 (0.43 pushes for 32 bytes)
-	// TODO: remove truncate if we update to 0.43 before wasmd 1.0
-	return hashed[:20]
+	return hasher.Sum(nil)
 }
 
 // Module is a specialized version of a composed address for modules. Each module account