feat: added method to duplicate predicate

.changeset/gentle-toes-play.md

@@ -0,0 +1,5 @@
+---
+"@fuel-ts/account": patch
+---
+
+feat: added method to duplicate predicate

packages/account/src/predicate/predicate.ts

@@ -48,7 +48,8 @@ export class Predicate<
   bytes: Uint8Array;
   predicateData: TData = [] as unknown as TData;
   interface: Interface;
-
+  initialBytecode: Uint8Array;
+  configurableConstants: TConfigurables | undefined;
   /**
    * Creates an instance of the Predicate class.
    *
@@ -73,8 +74,10 @@ export class Predicate<
     const address = Address.fromB256(getPredicateRoot(predicateBytes));
     super(address, provider);
 
+    this.initialBytecode = arrayify(bytecode);
     this.bytes = predicateBytes;
     this.interface = predicateInterface;
+    this.configurableConstants = configurableConstants;
     if (data !== undefined && data.length > 0) {
       this.predicateData = data;
     }
@@ -147,6 +150,23 @@ export class Predicate<
     return mainFn?.encodeArguments(this.predicateData) || new Uint8Array();
   }
 
+  /**
+   * Creates a new Predicate instance from an existing Predicate instance.
+   * @param overrides - The data and configurable constants to override.
+   * @returns A new Predicate instance with the same bytecode, ABI and provider but with the ability to set the data and configurable constants.
+   */
+  toNewInstance(
+    overrides: Pick<PredicateParams<TData, TConfigurables>, 'data' | 'configurableConstants'> = {}
+  ) {
+    return new Predicate<TData, TConfigurables>({
+      bytecode: this.initialBytecode,
+      abi: this.interface.jsonAbi,
+      provider: this.provider,
+      data: overrides.data ?? this.predicateData,
+      configurableConstants: overrides.configurableConstants ?? this.configurableConstants,
+    });
+  }
+
   /**
    * Processes the predicate data and returns the altered bytecode and interface.
    *

packages/fuel-gauge/src/predicate/predicate-arguments.test.ts

@@ -9,7 +9,7 @@ import {
   PredicateU32,
 } from '../../test/typegen';
 
-import { fundPredicate, assertBalances } from './utils/predicate';
+import { fundAccount, assertBalances } from './utils/predicate';
 
 /**
  * @group node
@@ -34,7 +34,7 @@ describe('Predicate', () => {
       });
 
       // transfer funds to predicate
-      await fundPredicate(fundingWallet, predicate, amountToPredicate, 3);
+      await fundAccount(fundingWallet, predicate, amountToPredicate, 3);
 
       const receiver = Wallet.generate({ provider });
       const initialReceiverBalance = await receiver.getBalance();
@@ -67,7 +67,7 @@ describe('Predicate', () => {
       });
 
       // fund predicate
-      await fundPredicate(fundingWallet, predicate, amountToPredicate);
+      await fundAccount(fundingWallet, predicate, amountToPredicate);
 
       const receiver = Wallet.generate({ provider });
 
@@ -91,7 +91,7 @@ describe('Predicate', () => {
       const initialReceiverBalance = await receiver.getBalance();
 
       // fund predicate
-      await fundPredicate(fundingWallet, predicate, amountToPredicate);
+      await fundAccount(fundingWallet, predicate, amountToPredicate);
 
       const tx = await predicate.transfer(
         receiver.address,
@@ -118,7 +118,7 @@ describe('Predicate', () => {
       const predicate = new PredicateU32({ provider, data: [100] });
 
       // fund predicate
-      await fundPredicate(fundingWallet, predicate, 90_000_00, 3);
+      await fundAccount(fundingWallet, predicate, 90_000_00, 3);
 
       const receiver = Wallet.generate({ provider });
       const initialReceiverBalance = await receiver.getBalance();
@@ -191,7 +191,7 @@ describe('Predicate', () => {
       const receiver = Wallet.generate({ provider });
 
       // fund predicate
-      await fundPredicate(fundingWallet, predicate, amountToPredicate);
+      await fundAccount(fundingWallet, predicate, amountToPredicate);
 
       await expect(
         predicate.transfer(receiver.address, 50, provider.getBaseAssetId(), { gasLimit: 1000 })
@@ -212,7 +212,7 @@ describe('Predicate', () => {
       const initialReceiverBalance = await receiver.getBalance();
 
       // fund predicate
-      await fundPredicate(fundingWallet, predicate, amountToPredicate);
+      await fundAccount(fundingWallet, predicate, amountToPredicate);
 
       const tx = await predicate.transfer(
         receiver.address,
@@ -242,7 +242,7 @@ describe('Predicate', () => {
       const predicate = new PredicateMultiArgs({ provider, data: [20, 30] });
 
       // fund the predicate
-      await fundPredicate(fundingWallet, predicate, amountToPredicate);
+      await fundAccount(fundingWallet, predicate, amountToPredicate);
 
       const tx = await predicate.transfer(
         receiver.address,
@@ -272,7 +272,7 @@ describe('Predicate', () => {
       const predicate = new PredicateMultiArgs({ provider, data: [20, 30] });
 
       // fund predicate
-      await fundPredicate(fundingWallet, predicate, amountToPredicate);
+      await fundAccount(fundingWallet, predicate, amountToPredicate);
 
       const tx = await predicate.transfer(
         receiver.address,
@@ -299,7 +299,7 @@ describe('Predicate', () => {
       const predicate = new PredicateMultiArgs({ provider, data: [20, 20] });
 
       // fund predicate
-      await fundPredicate(fundingWallet, predicate, amountToPredicate);
+      await fundAccount(fundingWallet, predicate, amountToPredicate);
 
       const receiver = Wallet.generate({ provider });
 

packages/fuel-gauge/src/predicate/predicate-configurables.test.ts

@@ -3,7 +3,7 @@ import { expectToThrowFuelError, launchTestNode } from 'fuels/test-utils';
 
 import { PredicateTrue, PredicateWithConfigurable } from '../../test/typegen';
 
-import { fundPredicate, assertBalance } from './utils/predicate';
+import { fundAccount, assertBalance } from './utils/predicate';
 
 /**
  * @group node
@@ -33,7 +33,7 @@ describe('Predicate', () => {
 
       const amountToTransfer = 200;
 
-      await fundPredicate(wallet, predicate, amountToPredicate);
+      await fundAccount(wallet, predicate, amountToPredicate);
 
       // create destination wallet
       const destination = WalletUnlocked.generate({
@@ -82,7 +82,7 @@ describe('Predicate', () => {
       await assertBalance(destination, 0, provider.getBaseAssetId());
 
       // transfer funds to predicate
-      await fundPredicate(wallet, predicate, amountToPredicate);
+      await fundAccount(wallet, predicate, amountToPredicate);
 
       // executing predicate transfer
       const tx = await predicate.transfer(
@@ -125,7 +125,7 @@ describe('Predicate', () => {
       await assertBalance(destination, 0, provider.getBaseAssetId());
 
       // transfer funds to predicate
-      await fundPredicate(wallet, predicate, amountToPredicate);
+      await fundAccount(wallet, predicate, amountToPredicate);
 
       // executing predicate transfer
       const tx = await predicate.transfer(
@@ -171,7 +171,7 @@ describe('Predicate', () => {
 
       await assertBalance(destination, 0, provider.getBaseAssetId());
 
-      await fundPredicate(wallet, predicate, amountToPredicate);
+      await fundAccount(wallet, predicate, amountToPredicate);
 
       const tx = await predicate.transfer(
         destination.address,
@@ -213,7 +213,7 @@ describe('Predicate', () => {
 
       await assertBalance(destination, 0, provider.getBaseAssetId());
 
-      await fundPredicate(wallet, predicate, amountToPredicate);
+      await fundAccount(wallet, predicate, amountToPredicate);
 
       const tx = await predicate.transfer(
         destination.address,
@@ -245,7 +245,7 @@ describe('Predicate', () => {
         provider: wallet.provider,
       });
 
-      await fundPredicate(wallet, predicate, amountToPredicate);
+      await fundAccount(wallet, predicate, amountToPredicate);
 
       await expect(
         predicate.transfer(destination.address, 300, provider.getBaseAssetId(), { gasLimit: 1000 })