feat: use wasm-isomorphic crypto lib

package.json

@@ -11,7 +11,7 @@
   },
   "sideEffects": false,
   "engines": {
-    "node": ">=16.5"
+    "node": ">=16.8"
   },
   "scripts": {
     "build:cjs": "tsc -b tsconfig.json",
@@ -78,7 +78,7 @@
     "stream-buffers": "^3.0.2",
     "unzipit": "^1.4.0",
     "vm2": "3.9.13",
-    "warp-isomorphic": "1.0.0",
+    "warp-isomorphic": "1.0.4",
     "warp-wasm-metering": "1.0.1"
   },
   "devDependencies": {

src/contract/Contract.ts

@@ -203,7 +203,7 @@ export interface Contract<State = unknown> {
   /**
    * calculates state hash using stable stringify
    */
-  stateHash(state: State): string;
+  stateHash(state: State): Promise<string>;
 
   /**
    * this method allows to sync the state of the local SDK state with the state provided by an external endpoint;

src/contract/HandlerBasedContract.ts

@@ -30,6 +30,7 @@ import { EvaluationOptionsEvaluator } from './EvaluationOptionsEvaluator';
 import { WarpFetchWrapper } from '../core/WarpFetchWrapper';
 import { Mutex } from 'async-mutex';
 import { TransactionStatusResponse } from '../utils/types/arweave-types';
+import { Crypto } from 'warp-isomorphic';
 
 /**
  * An implementation of {@link Contract} that is backwards compatible with current style
@@ -505,11 +506,11 @@ export class HandlerBasedContract<State> implements Contract<State> {
       sortedInteractions = interactions
         ? interactions
         : await interactionsLoader.load(
-            contractTxId,
-            cachedState?.sortKey,
-            this.getToSortKey(upToSortKey),
-            contractEvaluationOptions
-          );
+          contractTxId,
+          cachedState?.sortKey,
+          this.getToSortKey(upToSortKey),
+          contractEvaluationOptions
+        );
 
       // (2) ...but we still need to return only interactions up to original "upToSortKey"
       if (cachedState?.sortKey) {
@@ -792,16 +793,12 @@ export class HandlerBasedContract<State> implements Contract<State> {
     return this._benchmarkStats;
   }
 
-  stateHash(state: State): string {
+  async stateHash(state: State): Promise<string> {
     const jsonState = stringify(state);
 
-    // note: cannot reuse:
-    // "The Hash object can not be used again after hash.digest() method has been called.
-    // Multiple calls will cause an error to be thrown."
-    const hash = crypto.createHash('sha256');
-    hash.update(jsonState);
+    const hash = await Crypto.subtle.digest('SHA-256', Buffer.from(jsonState, 'utf-8'));
 
-    return hash.digest('hex');
+    return Buffer.from(hash).toString('hex');
   }
 
   // eslint-disable-next-line @typescript-eslint/no-explicit-any -- params can be anything

src/core/ContractCallRecord.ts

@@ -1,13 +1,13 @@
 import { InteractionData } from './modules/impl/HandlerExecutorFactory';
 import { InnerCallType } from '../contract/Contract';
-import { isomorphicRandomUUID } from '../utils/utils';
+import { Crypto } from 'warp-isomorphic';
 
 export class ContractCallRecord {
   readonly interactions: { [key: string]: InteractionCall } = {};
   readonly id: string;
 
   constructor(readonly contractTxId: string, readonly depth: number, readonly innerCallType: InnerCallType = null) {
-    this.id = isomorphicRandomUUID();
+    this.id = Crypto.randomUUID();
   }
 
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -45,7 +45,7 @@ export class ContractCallRecord {
 export class InteractionCall {
   interactionOutput: InteractionOutput;
 
-  private constructor(readonly interactionInput: InteractionInput) {}
+  private constructor(readonly interactionInput: InteractionInput) { }
 
   static create(interactionInput: InteractionInput): InteractionCall {
     return new InteractionCall(interactionInput);
@@ -67,7 +67,7 @@ export class InteractionInput {
     public readonly functionArguments: [],
     public readonly dryWrite: boolean,
     public readonly foreignContractCalls: { [key: string]: ContractCallRecord } = {}
-  ) {}
+  ) { }
 }
 
 export class InteractionOutput {
@@ -79,5 +79,5 @@ export class InteractionOutput {
     public readonly valid: boolean,
     public readonly errorMessage: string = '',
     public readonly gasUsed: number
-  ) {}
+  ) { }
 }

src/utils/utils.ts

@@ -1,7 +1,6 @@
 /* eslint-disable */
 import copy from 'fast-copy';
 import { Buffer } from 'warp-isomorphic';
-import { randomUUID } from 'crypto';
 
 export const sleep = (ms: number): Promise<void> => {
   return new Promise((resolve) => setTimeout(resolve, ms));
@@ -76,12 +75,4 @@ export function bufToBn(buf: Buffer) {
   return BigInt('0x' + hex.join(''));
 }
 
-export function isomorphicRandomUUID() {
-  if (isBrowser() && self.crypto) {
-    return self.crypto.randomUUID();
-  } else {
-    return randomUUID();
-  }
-}
-
 export const isBrowser = new Function('try {return this===window;}catch(e){ return false;}');