diff options
Diffstat (limited to 'packages/utils/src/abi_encoder/evm_data_types')
11 files changed, 71 insertions, 25 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 index 2e3a206c6..2278830eb 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/address.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/address.ts @@ -39,10 +39,11 @@ export class AddressDataType extends AbstractBlobDataType { const valueBufPadded = calldata.popWord(); const valueBuf = valueBufPadded.slice(AddressDataType._DECODED_ADDRESS_OFFSET_IN_BYTES); const value = ethUtil.bufferToHex(valueBuf); - return value; + const valueLowercase = _.toLower(value); + return valueLowercase; } - public getSignature(): string { + public getSignatureType(): string { return SolidityTypes.Address; } /* tslint:enable prefer-function-over-method */ diff --git a/packages/utils/src/abi_encoder/evm_data_types/array.ts b/packages/utils/src/abi_encoder/evm_data_types/array.ts index 7595cb667..d9607f47e 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/array.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/array.ts @@ -7,7 +7,6 @@ import { constants } from '../utils/constants'; export class ArrayDataType extends AbstractSetDataType { private static readonly _MATCHER = RegExp('^(.+)\\[([0-9]*)\\]$'); - private readonly _arraySignature: string; private readonly _elementType: string; public static matchType(type: string): boolean { @@ -35,25 +34,36 @@ export class ArrayDataType extends AbstractSetDataType { super(dataItem, dataTypeFactory, isArray, arrayLength, arrayElementType); // Set array properties this._elementType = arrayElementType; - this._arraySignature = this._computeSignature(); } - public getSignature(): string { - return this._arraySignature; + public getSignatureType(): string { + return this._computeSignature(false); } - private _computeSignature(): string { + public getSignature(isDetailed?: boolean): string { + if (_.isEmpty(this.getDataItem().name) || !isDetailed) { + return this.getSignatureType(); + } + const name = this.getDataItem().name; + const lastIndexOfScopeDelimiter = name.lastIndexOf('.'); + const isScopedName = !_.isUndefined(lastIndexOfScopeDelimiter) && lastIndexOfScopeDelimiter > 0; + const shortName = isScopedName ? name.substr((lastIndexOfScopeDelimiter as number) + 1) : name; + const detailedSignature = `${shortName} ${this._computeSignature(isDetailed)}`; + return detailedSignature; + } + + private _computeSignature(isDetailed?: boolean): string { // Compute signature for a single array element const elementDataItem: DataItem = { type: this._elementType, - name: 'N/A', + name: '', }; const elementComponents = this.getDataItem().components; if (!_.isUndefined(elementComponents)) { elementDataItem.components = elementComponents; } const elementDataType = this.getFactory().create(elementDataItem); - const elementSignature = elementDataType.getSignature(); + const elementSignature = elementDataType.getSignature(isDetailed); // Construct signature for array of type `element` if (_.isUndefined(this._arrayLength)) { return `${elementSignature}[]`; diff --git a/packages/utils/src/abi_encoder/evm_data_types/bool.ts b/packages/utils/src/abi_encoder/evm_data_types/bool.ts index d713d5a94..7f91f34e6 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/bool.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/bool.ts @@ -46,7 +46,7 @@ export class BoolDataType extends AbstractBlobDataType { return value; } - public getSignature(): string { + public getSignatureType(): string { return SolidityTypes.Bool; } /* tslint:enable prefer-function-over-method */ diff --git a/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts b/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts index 5277efd6c..fa38b63c0 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts @@ -65,7 +65,7 @@ export class DynamicBytesDataType extends AbstractBlobDataType { return value; } - public getSignature(): string { + public getSignatureType(): string { return SolidityTypes.Bytes; } /* tslint:enable prefer-function-over-method */ diff --git a/packages/utils/src/abi_encoder/evm_data_types/int.ts b/packages/utils/src/abi_encoder/evm_data_types/int.ts index f1dcf5ea1..8d98e195b 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/int.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/int.ts @@ -47,13 +47,17 @@ export class IntDataType extends AbstractBlobDataType { return encodedValue; } - public decodeValue(calldata: RawCalldata): BigNumber { + public decodeValue(calldata: RawCalldata): BigNumber | number { const valueBuf = calldata.popWord(); const value = EncoderMath.safeDecodeNumericValue(valueBuf, this._minValue, this._maxValue); + const numberOfBytesInUint8 = 8; + if (this._width === numberOfBytesInUint8) { + return value.toNumber(); + } return value; } - public getSignature(): string { + public getSignatureType(): string { return `${SolidityTypes.Int}${this._width}`; } } diff --git a/packages/utils/src/abi_encoder/evm_data_types/method.ts b/packages/utils/src/abi_encoder/evm_data_types/method.ts index b1cd1377f..c852a0fdf 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/method.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/method.ts @@ -44,7 +44,20 @@ export class MethodDataType extends AbstractSetDataType { return returnValues; } - public getSignature(): string { + public strictDecodeReturnValue<T>(returndata: string, rules?: DecodingRules): T { + const returnValues = this._returnDataType.decode(returndata, rules); + const returnValuesAsArray: any = _.isObject(returnValues) ? _.values(returnValues) : [returnValues]; + switch (returnValuesAsArray.length) { + case 0: + return undefined as any; + case 1: + return returnValuesAsArray[0]; + default: + return returnValuesAsArray; + } + } + + public getSignatureType(): string { return this._methodSignature; } diff --git a/packages/utils/src/abi_encoder/evm_data_types/pointer.ts b/packages/utils/src/abi_encoder/evm_data_types/pointer.ts index 389e75927..250db7c64 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/pointer.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/pointer.ts @@ -11,7 +11,11 @@ export class PointerDataType extends AbstractPointerDataType { super(dataItem, dataTypeFactory, destDataType, parentDataType); } - public getSignature(): string { - return this._destination.getSignature(); + public getSignatureType(): string { + return this._destination.getSignature(false); + } + + public getSignature(isDetailed?: boolean): string { + return this._destination.getSignature(isDetailed); } } diff --git a/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts b/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts index 2e371c505..cbf1957d7 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts @@ -36,7 +36,7 @@ export class StaticBytesDataType extends AbstractBlobDataType { this._width = StaticBytesDataType._decodeWidthFromType(dataItem.type); } - public getSignature(): string { + public getSignatureType(): string { // Note that `byte` reduces to `bytes1` return `${SolidityTypes.Bytes}${this._width}`; } diff --git a/packages/utils/src/abi_encoder/evm_data_types/string.ts b/packages/utils/src/abi_encoder/evm_data_types/string.ts index 91a72ad3f..97ac46442 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/string.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/string.ts @@ -52,7 +52,7 @@ export class StringDataType extends AbstractBlobDataType { return value; } - public getSignature(): string { + public getSignatureType(): string { return SolidityTypes.String; } /* tslint:enable prefer-function-over-method */ diff --git a/packages/utils/src/abi_encoder/evm_data_types/tuple.ts b/packages/utils/src/abi_encoder/evm_data_types/tuple.ts index 31593c882..5000c85e8 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/tuple.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/tuple.ts @@ -1,11 +1,10 @@ import { DataItem, SolidityTypes } from 'ethereum-types'; +import * as _ from 'lodash'; import { DataTypeFactory } from '../abstract_data_types/interfaces'; import { AbstractSetDataType } from '../abstract_data_types/types/set'; export class TupleDataType extends AbstractSetDataType { - private readonly _signature: string; - public static matchType(type: string): boolean { return type === SolidityTypes.Tuple; } @@ -15,10 +14,21 @@ export class TupleDataType extends AbstractSetDataType { if (!TupleDataType.matchType(dataItem.type)) { throw new Error(`Tried to instantiate Tuple with bad input: ${dataItem}`); } - this._signature = this._computeSignatureOfMembers(); } - public getSignature(): string { - return this._signature; + public getSignatureType(): string { + return this._computeSignatureOfMembers(false); + } + + public getSignature(isDetailed?: boolean): string { + if (_.isEmpty(this.getDataItem().name) || !isDetailed) { + return this.getSignatureType(); + } + const name = this.getDataItem().name; + const lastIndexOfScopeDelimiter = name.lastIndexOf('.'); + const isScopedName = !_.isUndefined(lastIndexOfScopeDelimiter) && lastIndexOfScopeDelimiter > 0; + const shortName = isScopedName ? name.substr((lastIndexOfScopeDelimiter as number) + 1) : name; + const detailedSignature = `${shortName} ${this._computeSignatureOfMembers(isDetailed)}`; + return detailedSignature; } } diff --git a/packages/utils/src/abi_encoder/evm_data_types/uint.ts b/packages/utils/src/abi_encoder/evm_data_types/uint.ts index 5180f0cf3..8e382e8dc 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/uint.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/uint.ts @@ -46,13 +46,17 @@ export class UIntDataType extends AbstractBlobDataType { return encodedValue; } - public decodeValue(calldata: RawCalldata): BigNumber { + public decodeValue(calldata: RawCalldata): BigNumber | number { const valueBuf = calldata.popWord(); const value = EncoderMath.safeDecodeNumericValue(valueBuf, UIntDataType._MIN_VALUE, this._maxValue); + const numberOfBytesInUint8 = 8; + if (this._width === numberOfBytesInUint8) { + return value.toNumber(); + } return value; } - public getSignature(): string { + public getSignatureType(): string { return `${SolidityTypes.Uint}${this._width}`; } } |