diff options
Diffstat (limited to 'packages/utils/src/abi_encoder/evm_data_types/address.ts')
-rw-r--r-- | packages/utils/src/abi_encoder/evm_data_types/address.ts | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/packages/utils/src/abi_encoder/evm_data_types/address.ts b/packages/utils/src/abi_encoder/evm_data_types/address.ts deleted file mode 100644 index 2278830eb..000000000 --- a/packages/utils/src/abi_encoder/evm_data_types/address.ts +++ /dev/null @@ -1,50 +0,0 @@ -import { DataItem, SolidityTypes } from 'ethereum-types'; -import * as ethUtil from 'ethereumjs-util'; -import * as _ from 'lodash'; - -import { DataTypeFactory } from '../abstract_data_types/interfaces'; -import { AbstractBlobDataType } from '../abstract_data_types/types/blob'; -import { RawCalldata } from '../calldata/raw_calldata'; -import { constants } from '../utils/constants'; - -export class AddressDataType extends AbstractBlobDataType { - private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = true; - private static readonly _ADDRESS_SIZE_IN_BYTES = 20; - private static readonly _DECODED_ADDRESS_OFFSET_IN_BYTES = - constants.EVM_WORD_WIDTH_IN_BYTES - AddressDataType._ADDRESS_SIZE_IN_BYTES; - - public static matchType(type: string): boolean { - return type === SolidityTypes.Address; - } - - public constructor(dataItem: DataItem, dataTypeFactory: DataTypeFactory) { - super(dataItem, dataTypeFactory, AddressDataType._SIZE_KNOWN_AT_COMPILE_TIME); - if (!AddressDataType.matchType(dataItem.type)) { - throw new Error(`Tried to instantiate Address with bad input: ${dataItem}`); - } - } - - // Disable prefer-function-over-method for inherited abstract methods. - /* tslint:disable prefer-function-over-method */ - public encodeValue(value: string): Buffer { - if (!ethUtil.isValidAddress(value)) { - throw new Error(`Invalid address: '${value}'`); - } - const valueBuf = ethUtil.toBuffer(value); - const encodedValueBuf = ethUtil.setLengthLeft(valueBuf, constants.EVM_WORD_WIDTH_IN_BYTES); - return encodedValueBuf; - } - - public decodeValue(calldata: RawCalldata): string { - const valueBufPadded = calldata.popWord(); - const valueBuf = valueBufPadded.slice(AddressDataType._DECODED_ADDRESS_OFFSET_IN_BYTES); - const value = ethUtil.bufferToHex(valueBuf); - const valueLowercase = _.toLower(value); - return valueLowercase; - } - - public getSignatureType(): string { - return SolidityTypes.Address; - } - /* tslint:enable prefer-function-over-method */ -} |