Add currentHeightHex keyword

packages/api-evm/source/service-provider.ts

@@ -33,10 +33,16 @@ import {
 } from "./actions/index.js";
 import Handlers from "./handlers.js";
 import { Server } from "./server.js";
-import { schemas } from "./validation/index.js";
+import { makeKeywords, schemas } from "./validation/index.js";
 
 export class ServiceProvider extends AbstractServiceProvider<Server> {
 	public async register(): Promise<void> {
+		for (const keyword of Object.values(
+			makeKeywords(this.app.get<Contracts.State.Store>(Identifiers.State.Store)),
+		)) {
+			this.app.get<Contracts.Crypto.Validator>(Identifiers.Cryptography.Validator).addKeyword(keyword);
+		}
+
 		for (const schema of Object.values(schemas)) {
 			this.app.get<Contracts.Crypto.Validator>(Identifiers.Cryptography.Validator).addSchema(schema);
 		}

packages/api-evm/source/validation/index.ts

@@ -1 +1,2 @@
+export * from "./keywords.js";
 export * from "./schemas.js";

packages/api-evm/source/validation/keywords.ts

@@ -0,0 +1,15 @@
+import { Contracts } from "@mainsail/contracts";
+import { FuncKeywordDefinition } from "ajv";
+
+export const makeKeywords = (stateStore: Contracts.State.Store) => {
+	const currentHeight: FuncKeywordDefinition = {
+		compile: (schema) => (data) => Number(data) === stateStore.getHeight(),
+		errors: false,
+		keyword: "currentHeightHex",
+		metaSchema: {
+			type: "boolean",
+		},
+	};
+
+	return { currentHeight };
+};

packages/api-evm/source/validation/schemas.ts

@@ -10,6 +10,7 @@ export const schemas: Record<"blockTag", AnySchemaObject> = {
 			},
 			{
 				$ref: "prefixedHex",
+				currentHeightHex: true,
 			},
 		],
 	},