diff options
Diffstat (limited to 'packages/utils/src/abi_encoder/evm_data_types/uint.ts')
-rw-r--r-- | packages/utils/src/abi_encoder/evm_data_types/uint.ts | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/packages/utils/src/abi_encoder/evm_data_types/uint.ts b/packages/utils/src/abi_encoder/evm_data_types/uint.ts index 832ab075c..b1bc690d8 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/uint.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/uint.ts @@ -2,21 +2,21 @@ import { DataItem } from 'ethereum-types'; import { BigNumber } from '../../configured_bignumber'; -import { DataTypeFactory, PayloadDataType } from '../abstract_data_types'; +import { AbstractDataTypes, DataTypeFactory } from '../abstract_data_types'; import { RawCalldata } from '../calldata'; import * as Constants from '../utils/constants'; import * as EncoderMath from '../utils/math'; -export class UInt extends PayloadDataType { +export class UInt extends AbstractDataTypes.Blob { private static readonly _MATCHER = RegExp( '^uint(8|16|24|32|40|48|56|64|72|88|96|104|112|120|128|136|144|152|160|168|176|184|192|200|208|216|224|232|240|248|256){0,1}$', ); private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = true; private static readonly _MAX_WIDTH: number = 256; private static readonly _DEFAULT_WIDTH: number = UInt._MAX_WIDTH; - private _width: number; - private _minValue: BigNumber; - private _maxValue: BigNumber; + private static readonly _MIN_VALUE = new BigNumber(0); + private readonly _width: number; + private readonly _maxValue: BigNumber; public static matchType(type: string): boolean { return UInt._MATCHER.test(type); @@ -36,18 +36,17 @@ export class UInt extends PayloadDataType { throw new Error(`Tried to instantiate UInt with bad input: ${dataItem}`); } this._width = UInt._decodeWidthFromType(dataItem.type); - this._minValue = new BigNumber(0); this._maxValue = new BigNumber(2).toPower(this._width).sub(1); } public encodeValue(value: BigNumber | string | number): Buffer { - const encodedValue = EncoderMath.safeEncodeNumericValue(value, this._minValue, this._maxValue); + const encodedValue = EncoderMath.safeEncodeNumericValue(value, UInt._MIN_VALUE, this._maxValue); return encodedValue; } public decodeValue(calldata: RawCalldata): BigNumber { const valueBuf = calldata.popWord(); - const value = EncoderMath.safeDecodeNumericValue(valueBuf, this._minValue, this._maxValue); + const value = EncoderMath.safeDecodeNumericValue(valueBuf, UInt._MIN_VALUE, this._maxValue); return value; } @@ -55,4 +54,3 @@ export class UInt extends PayloadDataType { return `uint${this._width}`; } } - |