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AztecProtocol · Jun 18, 2024 · 91a5ba4 · 91a5ba4
1 parent 7f62a90
commit 91a5ba4
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Showing 7 changed files with 20 additions and 15 deletions.
diff --git a/yarn-project/aztec.js/src/api/abi.ts b/yarn-project/aztec.js/src/api/abi.ts
@@ -1,3 +1,3 @@
-export { type ContractArtifact, type FunctionArtifact, FunctionSelector } from '@aztec/foundation/abi';
+export { type ContractArtifact, type FunctionArtifact, EventSelector, FunctionSelector } from '@aztec/foundation/abi';
 export { loadContractArtifact, contractArtifactToBuffer, contractArtifactFromBuffer } from '@aztec/types/abi';
 export { type NoirCompiledContract } from '@aztec/types/noir';
diff --git a/yarn-project/aztec.js/src/index.ts b/yarn-project/aztec.js/src/index.ts
@@ -41,6 +41,7 @@ export {
   CheatCodes,
   EthAddressLike,
   EthCheatCodes,
+  EventSelectorLike,
   FieldLike,
   FunctionSelectorLike,
   WrappedFieldLike,

diff --git a/yarn-project/aztec.js/src/utils/abi_types.ts b/yarn-project/aztec.js/src/utils/abi_types.ts
@@ -1,4 +1,4 @@
-import { type AztecAddress, type EthAddress, type Fr, type FunctionSelector } from '@aztec/circuits.js';
+import { type AztecAddress, type EthAddress, type Fr, type FunctionSelector, type EventSelector } from '@aztec/circuits.js';
 
 /** Any type that can be converted into a field for a contract call. */
 export type FieldLike = Fr | Buffer | bigint | number | { /** Converts to field */ toField: () => Fr };
@@ -9,8 +9,11 @@ export type EthAddressLike = { /** Wrapped address */ address: FieldLike } | Eth
 /** Any type that can be converted into an AztecAddress Aztec.nr struct. */
 export type AztecAddressLike = { /** Wrapped address */ address: FieldLike } | AztecAddress;
 
-/** Any type that can be converted into an FunctionSelector Aztec.nr struct. */
+/** Any type that can be converted into a FunctionSelector Aztec.nr struct. */
 export type FunctionSelectorLike = FieldLike | FunctionSelector;
 
+/** Any type that can be converted into an EventSelector Aztec.nr struct. */
+export type EventSelectorLike = FieldLike | EventSelector;
+
 /** Any type that can be converted into a struct with a single `inner` field. */
 export type WrappedFieldLike = { /** Wrapped value */ inner: FieldLike } | FieldLike;
diff --git a/yarn-project/builder/src/contract-interface-gen/typescript.ts b/yarn-project/builder/src/contract-interface-gen/typescript.ts
@@ -255,13 +255,13 @@ function generateEvents(events: any[] | undefined) {
     `;
 
     const fieldNames = event.fields.map((field: any) => `"${field.name}"`);
-    const eventType = `${eventName}: {decode: (payload: L1EventPayload | undefined) => ${eventName} | undefined, functionSelector: FunctionSelector, fieldNames: string[] }`;
+    const eventType = `${eventName}: {decode: (payload: L1EventPayload | undefined) => ${eventName} | undefined, eventSelector: EventSelector, fieldNames: string[] }`;
 
     const eventImpl = `${eventName}: {
-        decode: this.decodeEvent(${event.fields.length}, FunctionSelector.fromSignature('${eventName}(${event.fields
+        decode: this.decodeEvent(${event.fields.length}, EventSelector.fromSignature('${eventName}(${event.fields
       .map(() => 'Field')
       .join(',')})'), [${fieldNames}]),
-      functionSelector: FunctionSelector.fromSignature('${eventName}(${event.fields.map(() => 'Field').join(',')})'),
+      eventSelector: EventSelector.fromSignature('${eventName}(${event.fields.map(() => 'Field').join(',')})'),
       fieldNames: [${fieldNames}],
       }`;
 
@@ -276,21 +276,21 @@ function generateEvents(events: any[] | undefined) {
     eventDefs: eventsMetadata.map(({ eventDef }) => eventDef).join('\n'),
     events: `
     // Partial application is chosen is to avoid the duplication of so much codegen.
-  private static decodeEvent<T>(fieldsLength: number, functionSelector: FunctionSelector, fields: string[]): (payload: L1EventPayload | undefined) => T | undefined {
+  private static decodeEvent<T>(fieldsLength: number, eventSelector: EventSelector, fields: string[]): (payload: L1EventPayload | undefined) => T | undefined {
     return (payload: L1EventPayload | undefined): T | undefined => {
       if (payload === undefined) {
         return undefined;
       }
       if (
-        !functionSelector.equals(
-          FunctionSelector.fromField(payload.eventTypeId),
+        !eventSelector.equals(
+          EventSelector.fromField(payload.eventTypeId),
         )
       ) {
         return undefined;
       }
       if (payload.event.items.length !== fieldsLength) {
         throw new Error(
-          'Something is weird here, we have matching FunctionSelectors, but the actual payload has mismatched length',
+          'Something is weird here, we have matching EventSelectors, but the actual payload has mismatched length',
         );
       }
 
@@ -351,6 +351,7 @@ import {
   EthAddressLike,
   FieldLike,
   Fr,
+  EventSelector,
   FunctionSelector,
   FunctionSelectorLike,
   L1EventPayload,

diff --git a/yarn-project/circuit-types/src/interfaces/pxe.ts b/yarn-project/circuit-types/src/interfaces/pxe.ts
@@ -6,7 +6,7 @@ import {
   type PartialAddress,
   type Point,
 } from '@aztec/circuits.js';
-import { type ContractArtifact, type FunctionSelector } from '@aztec/foundation/abi';
+import { type EventSelector, type ContractArtifact } from '@aztec/foundation/abi';
 import {
   type ContractClassWithId,
   type ContractInstanceWithAddress,
@@ -397,7 +397,7 @@ export interface PXE {
  */
 export interface EventMetadata<T> {
   decode(payload: L1EventPayload): T | undefined;
-  functionSelector: FunctionSelector;
+  eventSelector: EventSelector;
   fieldNames: string[];
 }
 

diff --git a/yarn-project/circuits.js/src/structs/index.ts b/yarn-project/circuits.js/src/structs/index.ts
@@ -84,6 +84,6 @@ export * from './tx_request.js';
 export * from './validation_requests.js';
 export * from './verification_key.js';
 
-export { FunctionSelector } from '@aztec/foundation/abi';
+export { EventSelector, FunctionSelector } from '@aztec/foundation/abi';
 export * from '@aztec/foundation/aztec-address';
 export * from '@aztec/foundation/fields';
diff --git a/yarn-project/pxe/src/pxe_service/pxe_service.ts b/yarn-project/pxe/src/pxe_service/pxe_service.ts
@@ -35,7 +35,7 @@ import {
   getContractClassFromArtifact,
 } from '@aztec/circuits.js';
 import { computeNoteHashNonce, siloNullifier } from '@aztec/circuits.js/hash';
-import { type ContractArtifact, type DecodedReturn, FunctionSelector, encodeArguments } from '@aztec/foundation/abi';
+import { type ContractArtifact, type DecodedReturn, EventSelector, FunctionSelector, encodeArguments } from '@aztec/foundation/abi';
 import { type Fq, Fr, type Point } from '@aztec/foundation/fields';
 import { SerialQueue } from '@aztec/foundation/fifo';
 import { type DebugLogger, createDebugLogger } from '@aztec/foundation/log';
@@ -853,7 +853,7 @@ export class PXEService implements PXE {
         if (visibleEvent.payload === undefined) {
           return undefined;
         }
-        if (!FunctionSelector.fromField(visibleEvent.payload.eventTypeId).equals(eventMetadata.functionSelector)) {
+        if (!EventSelector.fromField(visibleEvent.payload.eventTypeId).equals(eventMetadata.eventSelector)) {
           return undefined;
         }
         if (visibleEvent.payload.event.items.length !== eventMetadata.fieldNames.length) {