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-rw-r--r--packages/utils/src/abi_encoder/abstract_data_types/data_type.ts7
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/method.ts23
-rw-r--r--packages/utils/src/abi_encoder/utils/constants.ts4
3 files changed, 18 insertions, 16 deletions
diff --git a/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts b/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
index c83f2085e..dd166b19c 100644
--- a/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
+++ b/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
@@ -2,13 +2,12 @@ import { DataItem } from 'ethereum-types';
import * as _ from 'lodash';
import { Calldata, CalldataBlock, RawCalldata } from '../calldata';
+import * as Constants from '../utils/constants';
import { DecodingRules, EncodingRules } from '../utils/rules';
import { DataTypeFactory } from './interfaces';
export abstract class DataType {
- private static readonly _DEFAULT_ENCODING_RULES: EncodingRules = { optimize: false, annotate: false };
- private static readonly _DEFAULT_DECODING_RULES: DecodingRules = { structsAsObjects: false };
private readonly _dataItem: DataItem;
private readonly _factory: DataTypeFactory;
@@ -26,7 +25,7 @@ export abstract class DataType {
}
public encode(value: any, rules?: EncodingRules, selector?: string): string {
- const rules_ = rules ? rules : DataType._DEFAULT_ENCODING_RULES;
+ const rules_ = rules ? rules : Constants.DEFAULT_ENCODING_RULES;
const calldata = new Calldata(rules_);
if (selector) {
calldata.setSelector(selector);
@@ -39,7 +38,7 @@ export abstract class DataType {
public decode(calldata: string, rules?: DecodingRules, hasSelector: boolean = false): any {
const rawCalldata = new RawCalldata(calldata, hasSelector);
- const rules_ = rules ? rules : DataType._DEFAULT_DECODING_RULES;
+ const rules_ = rules ? rules : Constants.DEFAULT_DECODING_RULES;
const value = this.generateValue(rawCalldata, rules_);
return value;
}
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 671b80890..2faffd44e 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/method.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/method.ts
@@ -10,30 +10,28 @@ import { DecodingRules, EncodingRules } from '../utils/rules';
import { Tuple } from './tuple';
export class Method extends MemberDataType {
- // TMP
- public selector: string;
-
private readonly _methodSignature: string;
private readonly _methodSelector: string;
private readonly _returnDataType: DataType;
public constructor(abi: MethodAbi, dataTypeFactory: DataTypeFactory) {
- super({ type: 'method', name: abi.name, components: abi.inputs }, dataTypeFactory);
+ const methodDataItem = { type: 'method', name: abi.name, components: abi.inputs };
+ super(methodDataItem, dataTypeFactory);
this._methodSignature = this._computeSignature();
- this.selector = this._methodSelector = this._computeSelector();
+ this._methodSelector = this._computeSelector();
const returnDataItem: DataItem = { type: 'tuple', name: abi.name, components: abi.outputs };
this._returnDataType = new Tuple(returnDataItem, this.getFactory());
}
public encode(value: any, rules?: EncodingRules): string {
- const calldata = super.encode(value, rules, this.selector);
+ const calldata = super.encode(value, rules, this._methodSelector);
return calldata;
}
public decode(calldata: string, rules?: DecodingRules): any[] | object {
- if (!calldata.startsWith(this.selector)) {
+ if (!calldata.startsWith(this._methodSelector)) {
throw new Error(
- `Tried to decode calldata, but it was missing the function selector. Expected '${this.selector}'.`,
+ `Tried to decode calldata, but it was missing the function selector. Expected '${this._methodSelector}'.`,
);
}
const hasSelector = true;
@@ -46,10 +44,11 @@ export class Method extends MemberDataType {
return returnData;
}
- public decodeReturnValues(returndata: string, rules?: DecodingRules): any {
- const rules_: DecodingRules = rules ? rules : { structsAsObjects: false };
- const rawReturnData = new RawCalldata(returndata, false);
- const returnValues = this._returnDataType.generateValue(rawReturnData, rules_);
+ public decodeReturnValues(returndata: string, rules_?: DecodingRules): any {
+ const rules: DecodingRules = rules_ ? rules_ : Constants.DEFAULT_DECODING_RULES;
+ const returnDataHasSelector = false;
+ const rawReturnData = new RawCalldata(returndata, returnDataHasSelector);
+ const returnValues = this._returnDataType.generateValue(rawReturnData, rules);
return returnValues;
}
diff --git a/packages/utils/src/abi_encoder/utils/constants.ts b/packages/utils/src/abi_encoder/utils/constants.ts
index 3d85fbdb8..05c6783e7 100644
--- a/packages/utils/src/abi_encoder/utils/constants.ts
+++ b/packages/utils/src/abi_encoder/utils/constants.ts
@@ -1,3 +1,5 @@
+import { DecodingRules, EncodingRules } from './rules';
+
export const EVM_WORD_WIDTH_IN_BYTES = 32;
export const EVM_WORD_WIDTH_IN_BITS = 256;
export const HEX_BASE = 16;
@@ -6,3 +8,5 @@ export const BIN_BASE = 2;
export const HEX_SELECTOR_LENGTH_IN_CHARS = 10;
export const HEX_SELECTOR_LENGTH_IN_BYTES = 4;
export const HEX_SELECTOR_BYTE_OFFSET_IN_CALLDATA = 0;
+export const DEFAULT_DECODING_RULES: DecodingRules = { structsAsObjects: false };
+export const DEFAULT_ENCODING_RULES: EncodingRules = { optimize: false, annotate: false };