Add entrypoints

src/entrypoints/config.ts

@@ -0,0 +1,68 @@
+export interface EntrypointConfig {
+    networkProviderUrl: string;
+    networkProviderKind: string;
+    chainId: string;
+}
+
+export class TestnetEntrypointConfig {
+    networkProviderUrl: string;
+    networkProviderKind: string;
+    chainId: string;
+
+    constructor({
+        networkProviderUrl = "https://testnet-api.multiversx.com",
+        networkProviderKind = "api",
+        chainId = "T",
+    }: Partial<EntrypointConfig> = {}) {
+        this.networkProviderUrl = networkProviderUrl;
+        this.networkProviderKind = networkProviderKind;
+        this.chainId = chainId;
+    }
+}
+
+export class DevnetEntrypointConfig {
+    networkProviderUrl: string;
+    networkProviderKind: string;
+    chainId: string;
+    constructor({
+        networkProviderUrl = "https://devnet-api.multiversx.com",
+        networkProviderKind = "api",
+        chainId = "D",
+    }: Partial<EntrypointConfig> = {}) {
+        this.networkProviderUrl = networkProviderUrl;
+        this.networkProviderKind = networkProviderKind;
+        this.chainId = chainId;
+    }
+}
+
+export class MainnetEntrypointConfig {
+    networkProviderUrl: string;
+    networkProviderKind: string;
+    chainId: string;
+
+    constructor({
+        networkProviderUrl = "https://api.multiversx.com",
+        networkProviderKind = "api",
+        chainId = "1",
+    }: Partial<EntrypointConfig> = {}) {
+        this.networkProviderUrl = networkProviderUrl;
+        this.networkProviderKind = networkProviderKind;
+        this.chainId = chainId;
+    }
+}
+
+export class LocalnetEntrypointConfig {
+    networkProviderUrl: string;
+    networkProviderKind: string;
+    chainId: string;
+
+    constructor({
+        networkProviderUrl = "http://localhost:7950",
+        networkProviderKind = "proxy",
+        chainId = "localnet",
+    }: Partial<EntrypointConfig> = {}) {
+        this.networkProviderUrl = networkProviderUrl;
+        this.networkProviderKind = networkProviderKind;
+        this.chainId = chainId;
+    }
+}

src/entrypoints/entrypoints.spec.ts

@@ -0,0 +1,125 @@
+import { assert } from "chai";
+import { readFileSync } from "fs";
+import { Account } from "../accounts/account";
+import { Address } from "../address";
+import { loadAbiRegistry, loadTestWallet, TestWallet } from "../testutils";
+import { TransactionComputer } from "../transactionComputer";
+import { DevnetEntrypoint } from "./entrypoints";
+
+describe("TestEntrypoint", () => {
+    const entrypoint = new DevnetEntrypoint();
+    let alicePem: TestWallet;
+    let bobPem: TestWallet;
+    let txComputer: TransactionComputer;
+
+    before(async function () {
+        alicePem = await loadTestWallet("alice");
+        bobPem = await loadTestWallet("bob");
+        txComputer = new TransactionComputer();
+    });
+
+    it("native transfer", async () => {
+        const controller = entrypoint.createTransfersController();
+        const sender = Account.newFromPem(alicePem.pemFileText);
+        sender.nonce = 77777;
+
+        const transaction = await controller.createTransactionForTransfer(
+            sender,
+            BigInt(sender.getNonceThenIncrement().valueOf()),
+            {
+                receiver: sender.address,
+                nativeAmount: BigInt(0),
+                data: Buffer.from("hello"),
+            },
+        );
+        assert.equal(
+            Buffer.from(transaction.signature).toString("hex"),
+            "69bc7d1777edd0a901e6cf94830475716205c5efdf2fd44d4be31badead59fc8418b34f0aa3b2c80ba14aed5edd30031757d826af58a1abb690a0bee89ba9309",
+        );
+    });
+
+    it("contract flow", async function () {
+        this.timeout(30000);
+        const abi = await loadAbiRegistry("src/testdata/adder.abi.json");
+        const sender = Account.newFromPem(alicePem.pemFileText);
+        const accountAddress = new Address(sender.address);
+        sender.nonce = await entrypoint.recallAccountNonce(accountAddress);
+
+        const controller = entrypoint.createSmartContractController(abi);
+        const bytecode = readFileSync("src/testdata/adder.wasm");
+
+        const transaction = await controller.createTransactionForDeploy(
+            sender,
+            BigInt(sender.getNonceThenIncrement().valueOf()),
+            {
+                bytecode,
+                gasLimit: BigInt(10_000_000),
+                arguments: [0],
+            },
+        );
+
+        const txHash = await entrypoint.sendTransaction(transaction);
+        const outcome = await controller.awaitCompletedDeploy(txHash);
+
+        assert.equal(outcome.contracts.length, 1);
+
+        const contractAddress = Address.fromBech32(outcome.contracts[0].address);
+
+        const executeTransaction = await controller.createTransactionForExecute(
+            sender,
+            BigInt(sender.getNonceThenIncrement().valueOf()),
+            {
+                contract: contractAddress,
+                gasLimit: BigInt(10_000_000),
+                function: "add",
+                arguments: [7],
+            },
+        );
+
+        const txHashExecute = await entrypoint.sendTransaction(executeTransaction);
+        await entrypoint.awaitCompletedTransaction(txHashExecute);
+
+        const queryResult = await controller.queryContract(contractAddress, "getSum", []);
+        assert.equal(queryResult.length, 1);
+        assert.equal(queryResult[0], 7);
+    });
+
+    it("create relayed transaction", async function () {
+        const transferController = entrypoint.createTransfersController();
+        const sender = Account.newFromPem(alicePem.pemFileText);
+        sender.nonce = 77777;
+
+        const relayer = Account.newFromPem(bobPem.pemFileText);
+        relayer.nonce = 7;
+
+        const transaction = await transferController.createTransactionForTransfer(
+            sender,
+            BigInt(sender.getNonceThenIncrement().valueOf()),
+            {
+                receiver: sender.address,
+                data: Buffer.from("hello"),
+            },
+        );
+        const innerTransactionGasLimit = transaction.gasLimit;
+        transaction.gasLimit = BigInt(0);
+        transaction.signature = await sender.sign(txComputer.computeBytesForSigning(transaction));
+
+        const relayedController = entrypoint.createRelayedController();
+        const relayedTransaction = await relayedController.createRelayedV2Transaction(
+            relayer,
+            BigInt(relayer.getNonceThenIncrement().valueOf()),
+            {
+                innerTransaction: transaction,
+                innerTransactionGasLimit,
+            },
+        );
+        assert.equal(relayedTransaction.chainID, "D");
+        assert.deepEqual(
+            relayedTransaction.data,
+            Buffer.from(
+                "relayedTxV2@0139472eff6886771a982f3083da5d421f24c29181e63888228dc81ca60d69e1@012fd1@68656c6c6f@c1eed3ac766d6b94aa53a1348d38eac8db60be0a1b2d0873247b61b8b25bbcb45bf9c1518227bcadd5044d4c027bdb935e0164243b2b2df9a5b250a10aca260e",
+            ),
+        );
+        assert.equal(relayedTransaction.gasLimit, 442000n);
+    });
+});

src/entrypoints/entrypoints.ts

@@ -0,0 +1,142 @@
+import { AbiRegistry } from "../abi";
+import { AccountController } from "../accountManagement";
+import { IAccount } from "../accounts/interfaces";
+import { Address } from "../address";
+import { DelegationController } from "../delegation";
+import { ErrInvalidNetworkProviderKind } from "../errors";
+import { Message, MessageComputer } from "../message";
+import { ApiNetworkProvider, ProxyNetworkProvider, TransactionOnNetwork } from "../networkProviders";
+import { RelayedController } from "../relayed/relayedController";
+import { SmartContractController } from "../smartContracts/smartContractController";
+import { TokenManagementController } from "../tokenManagement";
+import { Transaction } from "../transaction";
+import { TransactionComputer } from "../transactionComputer";
+import { TransactionWatcher } from "../transactionWatcher";
+import { TransfersController } from "../transfers/transfersControllers";
+import { UserVerifier } from "../wallet";
+import { DevnetEntrypointConfig, MainnetEntrypointConfig, TestnetEntrypointConfig } from "./config";
+
+class NetworkEntrypoint {
+    private networkProvider: ApiNetworkProvider | ProxyNetworkProvider;
+    private chainId: string;
+
+    constructor(options: { networkProviderUrl: string; networkProviderKind: string; chainId: string }) {
+        if (options.networkProviderKind === "proxy") {
+            this.networkProvider = new ProxyNetworkProvider(options.networkProviderUrl);
+        } else if (options.networkProviderKind === "api") {
+            this.networkProvider = new ApiNetworkProvider(options.networkProviderUrl);
+        } else {
+            throw new ErrInvalidNetworkProviderKind();
+        }
+
+        this.chainId = options.chainId;
+    }
+
+    async signTransaction(transaction: Transaction, account: IAccount): Promise<void> {
+        const txComputer = new TransactionComputer();
+        transaction.signature = await account.sign(txComputer.computeBytesForSigning(transaction));
+    }
+
+    verifyTransactionSignature(transaction: Transaction): boolean {
+        const verifier = UserVerifier.fromAddress(Address.fromBech32(transaction.sender));
+        const txComputer = new TransactionComputer();
+        return verifier.verify(txComputer.computeBytesForVerifying(transaction), transaction.signature);
+    }
+
+    async signMessage(message: Message, account: IAccount): Promise<void> {
+        const messageComputer = new MessageComputer();
+        message.signature = await account.sign(messageComputer.computeBytesForSigning(message));
+    }
+
+    verifyMessageSignature(message: Message): boolean {
+        if (!message.address) {
+            throw new Error("`address` property of Message is not set");
+        }
+
+        if (!message.signature) {
+            throw new Error("`signature` property of Message is not set");
+        }
+
+        const verifier = UserVerifier.fromAddress(message.address);
+        const messageComputer = new MessageComputer();
+        return verifier.verify(messageComputer.computeBytesForVerifying(message), message.signature);
+    }
+
+    async recallAccountNonce(address: Address): Promise<number> {
+        return (await this.networkProvider.getAccount(address)).nonce;
+    }
+
+    sendTransactions(transactions: Transaction[]): Promise<string[]> {
+        return this.networkProvider.sendTransactions(transactions);
+    }
+
+    sendTransaction(transaction: Transaction): Promise<string> {
+        return this.networkProvider.sendTransaction(transaction);
+    }
+
+    async awaitCompletedTransaction(txHash: string): Promise<TransactionOnNetwork> {
+        const transactionAwaiter = new TransactionWatcher(this.networkProvider);
+        return transactionAwaiter.awaitCompleted(txHash);
+    }
+
+    createNetworkProvider(): ApiNetworkProvider | ProxyNetworkProvider {
+        return this.networkProvider;
+    }
+
+    createDelegationController(): DelegationController {
+        return new DelegationController({ chainID: this.chainId, networkProvider: this.networkProvider });
+    }
+
+    createAccountController(): AccountController {
+        return new AccountController({ chainID: this.chainId });
+    }
+
+    createRelayedController(): RelayedController {
+        return new RelayedController({ chainID: this.chainId });
+    }
+
+    createSmartContractController(abi?: AbiRegistry): SmartContractController {
+        return new SmartContractController({ chainID: this.chainId, networkProvider: this.networkProvider, abi });
+    }
+
+    createTokenManagementController(): TokenManagementController {
+        return new TokenManagementController({ chainID: this.chainId, networkProvider: this.networkProvider });
+    }
+
+    createTransfersController(): TransfersController {
+        return new TransfersController({ chainID: this.chainId });
+    }
+}
+
+export class TestnetEntrypoint extends NetworkEntrypoint {
+    constructor(url?: string, kind?: string) {
+        const entrypointConfig = new TestnetEntrypointConfig();
+        super({
+            networkProviderUrl: url || entrypointConfig.networkProviderUrl,
+            networkProviderKind: kind || entrypointConfig.networkProviderKind,
+            chainId: entrypointConfig.chainId,
+        });
+    }
+}
+
+export class DevnetEntrypoint extends NetworkEntrypoint {
+    constructor(url?: string, kind?: string) {
+        const entrypointConfig = new DevnetEntrypointConfig();
+        super({
+            networkProviderUrl: url || entrypointConfig.networkProviderUrl,
+            networkProviderKind: kind || entrypointConfig.networkProviderKind,
+            chainId: entrypointConfig.chainId,
+        });
+    }
+}
+
+export class MainnetEntrypoint extends NetworkEntrypoint {
+    constructor(url?: string, kind?: string) {
+        const entrypointConfig = new MainnetEntrypointConfig();
+        super({
+            networkProviderUrl: url || entrypointConfig.networkProviderUrl,
+            networkProviderKind: kind || entrypointConfig.networkProviderKind,
+            chainId: entrypointConfig.chainId,
+        });
+    }
+}

src/entrypoints/index.ts

@@ -0,0 +1,2 @@
+export * from "./config";
+export * from "./entrypoints";

src/errors.ts

@@ -448,3 +448,12 @@ export class ErrContractQuery extends Err {
         super(originalError.message.replace("executeQuery:", ""));
     }
 }
+
+/**
+ * Signals that the network provider provided is not valid
+ */
+export class ErrInvalidNetworkProviderKind extends Err {
+    public constructor() {
+        super("Invalid network provider kind. Choose between `api` and `proxy`.");
+    }
+}

src/index.ts

@@ -15,6 +15,7 @@ export * from "./asyncTimer";
 export * from "./config";
 export * from "./converters";
 export * from "./delegation";
+export * from "./entrypoints";
 export * from "./errors";
 export * from "./gasEstimator";
 export * from "./interface";

src/message.ts

@@ -1,8 +1,7 @@
-import { IAddress } from "./interface";
-import { DEFAULT_MESSAGE_VERSION, MESSAGE_PREFIX, SDK_JS_SIGNER, UNKNOWN_SIGNER } from "./constants";
 import { Address } from "./address";
+import { DEFAULT_MESSAGE_VERSION, MESSAGE_PREFIX, SDK_JS_SIGNER, UNKNOWN_SIGNER } from "./constants";
 
 const createKeccakHash = require("keccak");
 
 export class Message {
     /**
@@ -16,7 +15,7 @@
     /**
      * Address of the wallet that performed the signing operation.
      */
-    public address?: IAddress;
+    public address?: Address;
     /**
      * Number representing the message version.
      */
@@ -29,7 +28,7 @@
     constructor(options: {
         data: Uint8Array;
         signature?: Uint8Array;
-        address?: IAddress;
+        address?: Address;
         version?: number;
         signer?: string;
     }) {

src/relayed/relayedController.ts

@@ -41,7 +41,6 @@ export class RelayedController {
         const transaction = this.factory.createRelayedV2Transaction(sender.address, options);
 
         transaction.nonce = nonce;
-        transaction.gasLimit = BigInt(0);
         transaction.signature = await sender.sign(this.txComputer.computeBytesForSigning(transaction));
 
         return transaction;