fix(codegen): always store contract data if init() is used

dev-docs/CHANGELOG.md

@@ -72,7 +72,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Struct serialization and parsing functions are now inlined more aggressively to save gas: PR [#2016](https://github.com/tact-lang/tact/pull/2016)
 - `NOP` instructions and empty asm functions are now properly optimized: PR [#1959](https://github.com/tact-lang/tact/pull/1959)
 - Contracts are now compiled with custom optimized function selector with a shortcut for `recv_internal` and `recv_external`: PR [#2038](https://github.com/tact-lang/tact/pull/2038)
-- Contract receivers do not update the contract data cell at the end of execution if the receiver does not modify the contract storage: PR [#2067](https://github.com/tact-lang/tact/pull/2067)
+- Contract receivers do not update the contract data cell at the end of execution if the receiver does not modify the contract storage: PR [#2067](https://github.com/tact-lang/tact/pull/2067), PR [#2077](https://github.com/tact-lang/tact/pull/2077)
 
 ### Fixed
 

src/generator/writers/writeRouter.ts

@@ -503,6 +503,7 @@ function writeReceiverBody(
     }
     if (
         enabledAlwaysSaveContractData(wCtx.ctx) ||
+        contract.init?.kind !== "contract-params" ||
         rcv.effects.has("contractStorageWrite")
     ) {
         writeStoreContractVariables(contract, wCtx);

src/test/benchmarks/__snapshots__/benchmarks.spec.ts.snap

@@ -14,32 +14,32 @@ exports[`benchmarks benchmark codeOf vs myCode(): gas used myCode 1`] = `893n`;
 
 exports[`benchmarks benchmark contractAddressExt: gas used contractAddressExt 1`] = `2551n`;
 
-exports[`benchmarks benchmark deployable trait vs raw deploy: gas used deploy trait 1`] = `3844`;
+exports[`benchmarks benchmark deployable trait vs raw deploy: gas used deploy trait 1`] = `4468`;
 
-exports[`benchmarks benchmark deployable trait vs raw deploy: gas used raw deploy 1`] = `845`;
+exports[`benchmarks benchmark deployable trait vs raw deploy: gas used raw deploy 1`] = `1505`;
 
 exports[`benchmarks benchmark functions: code size 1`] = `184`;
 
 exports[`benchmarks benchmark functions: gas used 1`] = `2128`;
 
-exports[`benchmarks benchmark readFwdFee: code size 1`] = `112`;
+exports[`benchmarks benchmark readFwdFee: code size 1`] = `121`;
 
-exports[`benchmarks benchmark readFwdFee: gas used 1`] = `1344`;
+exports[`benchmarks benchmark readFwdFee: gas used 1`] = `1968`;
 
-exports[`benchmarks benchmark sha256: gas hash string big 1`] = `2394`;
+exports[`benchmarks benchmark sha256: gas hash string big 1`] = `2539`;
 
-exports[`benchmarks benchmark sha256: gas hash string big repeated 1`] = `2395`;
+exports[`benchmarks benchmark sha256: gas hash string big repeated 1`] = `2540`;
 
-exports[`benchmarks benchmark sha256: gas hash string big repeated more 1`] = `2397`;
+exports[`benchmarks benchmark sha256: gas hash string big repeated more 1`] = `2542`;
 
-exports[`benchmarks benchmark sha256: gas hash string slice 1`] = `2394`;
+exports[`benchmarks benchmark sha256: gas hash string slice 1`] = `2539`;
 
-exports[`benchmarks benchmark sha256: gas hash string slice repeated 1`] = `2395`;
+exports[`benchmarks benchmark sha256: gas hash string slice repeated 1`] = `2540`;
 
-exports[`benchmarks benchmark sha256: gas hash string slice repeated more 1`] = `2397`;
+exports[`benchmarks benchmark sha256: gas hash string slice repeated more 1`] = `2542`;
 
-exports[`benchmarks benchmark sha256: gas hash string small 1`] = `1859`;
+exports[`benchmarks benchmark sha256: gas hash string small 1`] = `1969`;
 
-exports[`benchmarks benchmark sha256: gas hash string small repeated 1`] = `1859`;
+exports[`benchmarks benchmark sha256: gas hash string small repeated 1`] = `1969`;
 
-exports[`benchmarks benchmark sha256: gas hash string small repeated more 1`] = `1859`;
+exports[`benchmarks benchmark sha256: gas hash string small repeated more 1`] = `1969`;

src/test/benchmarks/benchmarks.build.ts

@@ -19,6 +19,7 @@ const main = async () => {
         debug: false,
         experimental: { inline: false },
         safety: { nullChecks: false },
+        optimizations: { alwaysSaveContractData: false },
     });
 };
 

src/test/benchmarks/contracts/escrow.tact

@@ -29,40 +29,23 @@ struct EscrowData {
     buyerAddress: Address?; // null if not funded, set after funding
 }
 
-contract Escrow {
-    id: Int as uint32;
-    sellerAddress: Address;
-    guarantorAddress: Address;
-    buyerAddress: Address?;
-    dealAmount: Int as coins;
-    guarantorRoyaltyPercent: Int as uint32;
-    isFunded: Bool;
-    assetAddress: Address?;
-    jettonWalletCode: Cell?;
+contract Escrow (
+    id: Int as uint32,
+    sellerAddress: Address,
+    guarantorAddress: Address,
+    buyerAddress: Address?,
+    dealAmount: Int as coins,
+    guarantorRoyaltyPercent: Int as uint32,
+    isFunded: Bool,
+    assetAddress: Address?,
+    jettonWalletCode: Cell?,
+) {
 
     const GUARANTOR_PERCENT_CONST: Int = 100000;
     const GUARANTOR_PERCENT_MAX: Int = 90000;
     const JETTON_TRANSFER_GAS: Int = ton("0.05");
     const TON_TRANSFER_GAS: Int = ton("0.015");
 
-    init(id: Int,
-        sellerAddress: Address,
-        guarantorAddress: Address,
-        dealAmount: Int,
-        guarantorRoyaltyPercent: Int,
-        assetAddress: Address?,
-        jettonWalletCode: Cell?){
-        self.id = id;
-        self.sellerAddress = sellerAddress;
-        self.guarantorAddress = guarantorAddress;
-        self.dealAmount = dealAmount;
-        self.guarantorRoyaltyPercent = guarantorRoyaltyPercent;
-        self.assetAddress = assetAddress;
-        self.jettonWalletCode = jettonWalletCode;
-        self.isFunded = false;
-        self.buyerAddress = null;
-    }
-
     fun sendJettons(receiver: Address, amount: Int, mode: Int) {
         let escrowJettonWalletAddress = calculateJettonWalletAddress(myAddress(),
             self.assetAddress!!,

src/test/benchmarks/escrow/escrow.spec.ts

@@ -135,8 +135,10 @@ describe("Escrow Gas Tests", () => {
                 lastCtxId++,
                 seller.address,
                 guarantor.address,
+                null,
                 dealAmount,
                 royalty,
+                false,
                 assetAddress,
                 assetAddress ? stubJettonWalletCode : null,
             ),

src/test/benchmarks/escrow/results.json

@@ -122,7 +122,7 @@
     },
     {
       "label": "1.5.3 with optimized contract storage saving",
-      "pr": "https://github.com/tact-lang/tact/pull/TODO",
+      "pr": "https://github.com/tact-lang/tact/pull/2067",
       "gas": {
         "fundingTon": "4917",
         "changeCode": "5123",
@@ -139,6 +139,16 @@
         "approveTon": "7010",
         "cancelTon": "4829"
       }
+    },
+    {
+      "label": "1.5.3 with contract parameters (no lazy init)",
+      "pr": "https://github.com/tact-lang/tact/pull/2077",
+      "gas": {
+        "fundingTon": "4768",
+        "changeCode": "4892",
+        "approveTon": "6968",
+        "cancelTon": "4997"
+      }
     }
   ]
 }

src/test/contracts.build.ts

@@ -5,12 +5,23 @@ const main = async () => {
     // Disable version number in packages
     __DANGER__disableVersionNumber();
 
-    await allInFolder(__dirname, [
-        "e2e-emulated/contracts/*.tact",
-        "codegen/all-contracts.tact",
-        "exit-codes/contracts/*.tact",
-        "send-modes/contracts/*.tact",
-    ]);
+    const options = {
+        debug: true,
+        experimental: { inline: false },
+        safety: { nullChecks: false },
+        optimizations: { alwaysSaveContractData: false },
+    };
+
+    await allInFolder(
+        __dirname,
+        [
+            "e2e-emulated/contracts/*.tact",
+            "codegen/all-contracts.tact",
+            "exit-codes/contracts/*.tact",
+            "send-modes/contracts/*.tact",
+        ],
+        options,
+    );
 };
 
 void main();

src/test/e2e-emulated/contracts/storage-write-analysis.tact

@@ -0,0 +1,11 @@
+contract Tester {
+
+    init() {
+        // if storage write analysis is implemented correctly, this will send
+        // just one message back to self, otherwise it will spam with messages
+        // until it runs out of gas
+        message(MessageParameters { to: myAddress(), value: 0, mode: SendRemainingValue })
+    }
+
+    receive() { } // does not modify the contract state
+}

src/test/e2e-emulated/debug.spec.ts

@@ -48,7 +48,7 @@ describe("debug", () => {
 
         expect(debugLogs).toStrictEqual(`File ${filePath}:10:9:
 dumpStack()
-stack(1 values) : 10000000000 
+stack(2 values) : 10000000000 () 
 File ${filePath}:11:9:
 dump("Hello world!")
 Hello world!

src/test/e2e-emulated/stdlib.spec.ts

@@ -57,7 +57,7 @@ describe("stdlib", () => {
                 .toString(),
         ).toBe(beginCell().storeBit(true).endCell().toString());
 
-        expect(Number(await contract.getTvm_2023_07Upgrade())).toEqual(1183);
+        expect(Number(await contract.getTvm_2023_07Upgrade())).toEqual(1243);
         expect(await contract.getTvm_2024_04Upgrade()).toEqual(82009144n);
 
         expect(
@@ -178,8 +178,8 @@ describe("stdlib", () => {
 
         expect(await contract.getBlockLt()).toBe(0n);
 
-        expect(Number(await contract.getSetGasLimit(5000n))).toBe(3725); // 5000 just to make sure it's enough, 3725 is how much it actually costs
-        await expect(contract.getSetGasLimit(3724n)).rejects.toThrow("-14"); // 3724 gas is not enough for sure
+        expect(Number(await contract.getSetGasLimit(5000n))).toBe(3785); // 5000 just to make sure it's enough, 3785 is how much it actually costs
+        await expect(contract.getSetGasLimit(3784n)).rejects.toThrow("-14"); // 3784 gas is not enough for sure
 
         expect(await contract.getGetSeed()).toBe(0n);
 

src/test/e2e-emulated/storage-write-analysis.spec.ts

@@ -0,0 +1,42 @@
+import { toNano } from "@ton/core";
+import type { SandboxContract, TreasuryContract } from "@ton/sandbox";
+import { Blockchain } from "@ton/sandbox";
+import { Tester } from "./contracts/output/storage-write-analysis_Tester";
+import "@ton/test-utils";
+
+describe("storage-write-analysis", () => {
+    let blockchain: Blockchain;
+    let treasure: SandboxContract<TreasuryContract>;
+    let contract: SandboxContract<Tester>;
+
+    beforeEach(async () => {
+        blockchain = await Blockchain.create();
+        blockchain.verbosity.print = false;
+        treasure = await blockchain.treasury("treasure");
+
+        contract = blockchain.openContract(await Tester.fromInit());
+
+        const deployResult = await contract.send(
+            treasure.getSender(),
+            { value: toNano("1") },
+            null,
+        );
+        expect(deployResult.transactions).toHaveTransaction({
+            from: treasure.address,
+            to: contract.address,
+            actionResultCode: 0,
+            success: true,
+            deploy: true,
+        });
+        expect(deployResult.transactions).toHaveTransaction({
+            from: contract.address,
+            to: contract.address,
+            success: true,
+        });
+        expect(deployResult.transactions.length).toStrictEqual(1 + 1 + 1); // wallet + deploy + one message back to self in init
+    });
+
+    it("should persist contract storage when init is called before the empty receiver", async () => {
+        // the deployment has the test
+    });
+});