5 files changed, 76 insertions, 0 deletions
diff --git a/packages/website/ts/schemas/order_schema.ts b/packages/website/ts/schemas/order_schema.ts
new file mode 100644
index 000000000..61b93d273
--- /dev/null
+++ b/packages/website/ts/schemas/order_schema.ts
@@ -0,0 +1,24 @@
+export const orderSchema = {
+    id: '/Order',
+    properties: {
+        maker: {$ref: '/OrderTaker'},
+        taker: {$ref: '/OrderTaker'},
+        salt: {type: 'string'},
+        signature: {$ref: '/SignatureData'},
+        expiration: {type: 'string'},
+        feeRecipient: {type: 'string'},
+        exchangeContract: {type: 'string'},
+        networkId: {type: 'number'},
+    },
+    required: [
+        'maker',
+        'taker',
+        'salt',
+        'signature',
+        'expiration',
+        'feeRecipient',
+        'exchangeContract',
+        'networkId',
+    ],
+    type: 'object',
+};
diff --git a/packages/website/ts/schemas/order_taker_schema.ts b/packages/website/ts/schemas/order_taker_schema.ts
new file mode 100644
index 000000000..6b484a60d
--- /dev/null
+++ b/packages/website/ts/schemas/order_taker_schema.ts
@@ -0,0 +1,11 @@
+export const orderTakerSchema = {
+    id: '/OrderTaker',
+    properties: {
+        address: {type: 'string'},
+        token: {$ref: '/Token'},
+        amount: {type: 'string'},
+        feeAmount: {type: 'string'},
+    },
+    required: ['address', 'token', 'amount', 'feeAmount'],
+    type: 'object',
+};
diff --git a/packages/website/ts/schemas/signature_data_schema.ts b/packages/website/ts/schemas/signature_data_schema.ts
new file mode 100644
index 000000000..d208cc438
--- /dev/null
+++ b/packages/website/ts/schemas/signature_data_schema.ts
@@ -0,0 +1,11 @@
+export const signatureDataSchema = {
+    id: '/SignatureData',
+    properties: {
+        hash: {type: 'string'},
+        r: {type: 'string'},
+        s: {type: 'string'},
+        v: {type: 'number'},
+    },
+    required: ['hash', 'r', 's', 'v'],
+    type: 'object',
+};
diff --git a/packages/website/ts/schemas/token_schema.ts b/packages/website/ts/schemas/token_schema.ts
new file mode 100644
index 000000000..c15f57429
--- /dev/null
+++ b/packages/website/ts/schemas/token_schema.ts
@@ -0,0 +1,11 @@
+export const tokenSchema = {
+    id: '/Token',
+    properties: {
+        name: {type: 'string'},
+        symbol: {type: 'string'},
+        decimals: {type: 'number'},
+        address: {type: 'string'},
+    },
+    required: ['name', 'symbol', 'decimals', 'address'],
+    type: 'object',
+};
diff --git a/packages/website/ts/schemas/validator.ts b/packages/website/ts/schemas/validator.ts
new file mode 100644
index 000000000..bf6ba4044
--- /dev/null
+++ b/packages/website/ts/schemas/validator.ts
@@ -0,0 +1,19 @@
+import {Validator, Schema as JSONSchema} from 'jsonschema';
+import {signatureDataSchema} from 'ts/schemas/signature_data_schema';
+import {orderSchema} from 'ts/schemas/order_schema';
+import {tokenSchema} from 'ts/schemas/token_schema';
+import {orderTakerSchema} from 'ts/schemas/order_taker_schema';
+
+export class SchemaValidator {
+    private validator: Validator;
+    constructor() {
+        this.validator = new Validator();
+        this.validator.addSchema(signatureDataSchema as JSONSchema, signatureDataSchema.id);
+        this.validator.addSchema(tokenSchema as JSONSchema, tokenSchema.id);
+        this.validator.addSchema(orderTakerSchema as JSONSchema, orderTakerSchema.id);
+        this.validator.addSchema(orderSchema as JSONSchema, orderSchema.id);
+    }
+    public validate(instance: object, schema: Schema) {
+        return this.validator.validate(instance, schema);
+    }
+}