Merge branch 'development' of https://github.com/0xProject/0x-monorepo into feature/website/instant-configurator

1 files changed, 132 insertions, 0 deletions

diff --git a/packages/utils/src/abi_encoder/evm_data_type_factory.ts b/packages/utils/src/abi_encoder/evm_data_type_factory.ts
new file mode 100644
index 000000000..4cc124e0a
--- /dev/null
+++ b/packages/utils/src/abi_encoder/evm_data_type_factory.ts
@@ -0,0 +1,132 @@
+/* tslint:disable max-classes-per-file */
+import { DataItem, MethodAbi } from 'ethereum-types';
+import * as _ from 'lodash';
+
+import { DataType } from './abstract_data_types/data_type';
+import { DataTypeFactory } from './abstract_data_types/interfaces';
+import { AddressDataType } from './evm_data_types/address';
+import { ArrayDataType } from './evm_data_types/array';
+import { BoolDataType } from './evm_data_types/bool';
+import { DynamicBytesDataType } from './evm_data_types/dynamic_bytes';
+import { IntDataType } from './evm_data_types/int';
+import { MethodDataType } from './evm_data_types/method';
+import { PointerDataType } from './evm_data_types/pointer';
+import { StaticBytesDataType } from './evm_data_types/static_bytes';
+import { StringDataType } from './evm_data_types/string';
+import { TupleDataType } from './evm_data_types/tuple';
+import { UIntDataType } from './evm_data_types/uint';
+
+export class Address extends AddressDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class Bool extends BoolDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class Int extends IntDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class UInt extends UIntDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class StaticBytes extends StaticBytesDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class DynamicBytes extends DynamicBytesDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class String extends StringDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class Pointer extends PointerDataType {
+    public constructor(destDataType: DataType, parentDataType: DataType) {
+        super(destDataType, parentDataType, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class Tuple extends TupleDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class Array extends ArrayDataType {
+    public constructor(dataItem: DataItem) {
+        super(dataItem, EvmDataTypeFactory.getInstance());
+    }
+}
+
+export class Method extends MethodDataType {
+    public constructor(abi: MethodAbi) {
+        super(abi, EvmDataTypeFactory.getInstance());
+    }
+}
+
+/* tslint:disable no-construct */
+export class EvmDataTypeFactory implements DataTypeFactory {
+    private static _instance: DataTypeFactory;
+
+    public static getInstance(): DataTypeFactory {
+        if (!EvmDataTypeFactory._instance) {
+            EvmDataTypeFactory._instance = new EvmDataTypeFactory();
+        }
+        return EvmDataTypeFactory._instance;
+    }
+
+    /* tslint:disable prefer-function-over-method */
+    public create(dataItem: DataItem, parentDataType?: DataType): DataType {
+        // Create data type
+        let dataType: undefined | DataType;
+        if (Array.matchType(dataItem.type)) {
+            dataType = new Array(dataItem);
+        } else if (Address.matchType(dataItem.type)) {
+            dataType = new Address(dataItem);
+        } else if (Bool.matchType(dataItem.type)) {
+            dataType = new Bool(dataItem);
+        } else if (Int.matchType(dataItem.type)) {
+            dataType = new Int(dataItem);
+        } else if (UInt.matchType(dataItem.type)) {
+            dataType = new UInt(dataItem);
+        } else if (StaticBytes.matchType(dataItem.type)) {
+            dataType = new StaticBytes(dataItem);
+        } else if (Tuple.matchType(dataItem.type)) {
+            dataType = new Tuple(dataItem);
+        } else if (DynamicBytes.matchType(dataItem.type)) {
+            dataType = new DynamicBytes(dataItem);
+        } else if (String.matchType(dataItem.type)) {
+            dataType = new String(dataItem);
+        }
+        // @TODO: DataTypeement Fixed/UFixed types
+        if (_.isUndefined(dataType)) {
+            throw new Error(`Unrecognized data type: '${dataItem.type}'`);
+        } else if (!_.isUndefined(parentDataType) && !dataType.isStatic()) {
+            const pointerToDataType = new Pointer(dataType, parentDataType);
+            return pointerToDataType;
+        }
+        return dataType;
+    }
+    /* tslint:enable prefer-function-over-method */
+
+    private constructor() {}
+}
+/* tslint:enable no-construct */