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-rw-r--r--packages/utils/src/abi_encoder/evm_data_types.ts94
1 files changed, 47 insertions, 47 deletions
diff --git a/packages/utils/src/abi_encoder/evm_data_types.ts b/packages/utils/src/abi_encoder/evm_data_types.ts
index 24f6051b0..7ad7f403e 100644
--- a/packages/utils/src/abi_encoder/evm_data_types.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types.ts
@@ -9,7 +9,7 @@ import * as Constants from './constants';
import { DataType, DataTypeFactory, DependentDataType, MemberDataType, PayloadDataType } from './data_type';
export interface DataTypeStaticInterface {
- matchGrammar: (type: string) => boolean;
+ matchType: (type: string) => boolean;
encodeValue: (value: any) => Buffer;
decodeValue: (rawCalldata: RawCalldata) => any;
}
@@ -21,13 +21,13 @@ export class Address extends PayloadDataType {
private static readonly _ADDRESS_SIZE_IN_BYTES = 20;
private static readonly _DECODED_ADDRESS_OFFSET_IN_BYTES = Constants.EVM_WORD_WIDTH_IN_BYTES - Address._ADDRESS_SIZE_IN_BYTES;
- public static matchGrammar(type: string): boolean {
+ public static matchType(type: string): boolean {
return type === 'address';
}
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance(), Address._SIZE_KNOWN_AT_COMPILE_TIME);
- if (!Address.matchGrammar(dataItem.type)) {
+ if (!Address.matchType(dataItem.type)) {
throw new Error(`Tried to instantiate Address with bad input: ${dataItem}`);
}
}
@@ -59,13 +59,13 @@ export class Address extends PayloadDataType {
export class Bool extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = true;
- public static matchGrammar(type: string): boolean {
+ public static matchType(type: string): boolean {
return type === 'bool';
}
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance(), Bool._SIZE_KNOWN_AT_COMPILE_TIME);
- if (!Bool.matchGrammar(dataItem.type)) {
+ if (!Bool.matchType(dataItem.type)) {
throw new Error(`Tried to instantiate Bool with bad input: ${dataItem}`);
}
}
@@ -184,7 +184,7 @@ export class Int extends Number {
'^int(8|16|24|32|40|48|56|64|72|88|96|104|112|120|128|136|144|152|160|168|176|184|192|200|208|216|224|232|240|248|256){0,1}$',
);
- public static matchGrammar(type: string): boolean {
+ public static matchType(type: string): boolean {
return Int._matcher.test(type);
}
@@ -210,7 +210,7 @@ export class UInt extends Number {
'^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}$',
);
- public static matchGrammar(type: string): boolean {
+ public static matchType(type: string): boolean {
return UInt._matcher.test(type);
}
@@ -231,7 +231,7 @@ export class UInt extends Number {
}
}
-export class Byte extends PayloadDataType {
+export class StaticBytes extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = true;
private static readonly _matcher = RegExp(
'^(byte|bytes(1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31|32))$',
@@ -240,17 +240,17 @@ export class Byte extends PayloadDataType {
private static readonly _DEFAULT_WIDTH = 1;
private readonly _width: number;
- public static matchGrammar(type: string): boolean {
- return Byte._matcher.test(type);
+ public static matchType(type: string): boolean {
+ return StaticBytes._matcher.test(type);
}
public constructor(dataItem: DataItem) {
- super(dataItem, EvmDataTypeFactory.getInstance(), Byte._SIZE_KNOWN_AT_COMPILE_TIME);
- const matches = Byte._matcher.exec(dataItem.type);
- if (!Byte.matchGrammar(dataItem.type)) {
+ super(dataItem, EvmDataTypeFactory.getInstance(), StaticBytes._SIZE_KNOWN_AT_COMPILE_TIME);
+ const matches = StaticBytes._matcher.exec(dataItem.type);
+ if (!StaticBytes.matchType(dataItem.type)) {
throw new Error(`Tried to instantiate Byte with bad input: ${dataItem}`);
}
- this._width = (matches !== null && matches.length === 3 && matches[2] !== undefined) ? parseInt(matches[2], Constants.DEC_BASE) : Byte._DEFAULT_WIDTH;
+ this._width = (matches !== null && matches.length === 3 && matches[2] !== undefined) ? parseInt(matches[2], Constants.DEC_BASE) : StaticBytes._DEFAULT_WIDTH;
}
public getSignature(): string {
@@ -289,17 +289,17 @@ export class Byte extends PayloadDataType {
}
}
-export class Bytes extends PayloadDataType {
+export class DynamicBytes extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = false;
- public static matchGrammar(type: string): boolean {
+ public static matchType(type: string): boolean {
return type === 'bytes';
}
public constructor(dataItem: DataItem) {
- super(dataItem, EvmDataTypeFactory.getInstance(), Bytes._SIZE_KNOWN_AT_COMPILE_TIME);
- if (!Bytes.matchGrammar(dataItem.type)) {
- throw new Error(`Tried to instantiate Bytes with bad input: ${dataItem}`);
+ super(dataItem, EvmDataTypeFactory.getInstance(), DynamicBytes._SIZE_KNOWN_AT_COMPILE_TIME);
+ if (!DynamicBytes.matchType(dataItem.type)) {
+ throw new Error(`Tried to instantiate DynamicBytes with bad input: ${dataItem}`);
}
}
@@ -313,8 +313,8 @@ export class Bytes extends PayloadDataType {
}
const wordsForValue = Math.ceil(valueBuf.byteLength / Constants.EVM_WORD_WIDTH_IN_BYTES);
- const paddedBytesForValue = wordsForValue * Constants.EVM_WORD_WIDTH_IN_BYTES;
- const paddedValueBuf = ethUtil.setLengthRight(valueBuf, paddedBytesForValue);
+ const paddedDynamicBytesForValue = wordsForValue * Constants.EVM_WORD_WIDTH_IN_BYTES;
+ const paddedValueBuf = ethUtil.setLengthRight(valueBuf, paddedDynamicBytesForValue);
const paddedLengthBuf = ethUtil.setLengthLeft(ethUtil.toBuffer(valueBuf.byteLength), Constants.EVM_WORD_WIDTH_IN_BYTES);
const encodedValueBuf = Buffer.concat([paddedLengthBuf, paddedValueBuf]);
return encodedValueBuf;
@@ -336,24 +336,24 @@ export class Bytes extends PayloadDataType {
}
}
-export class SolString extends PayloadDataType {
+export class String extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = false;
- public static matchGrammar(type: string): boolean {
+ public static matchType(type: string): boolean {
return type === 'string';
}
public constructor(dataItem: DataItem) {
- super(dataItem, EvmDataTypeFactory.getInstance(), SolString._SIZE_KNOWN_AT_COMPILE_TIME);
- if (!SolString.matchGrammar(dataItem.type)) {
+ super(dataItem, EvmDataTypeFactory.getInstance(), String._SIZE_KNOWN_AT_COMPILE_TIME);
+ if (!String.matchType(dataItem.type)) {
throw new Error(`Tried to instantiate String with bad input: ${dataItem}`);
}
}
public encodeValue(value: string): Buffer {
const wordsForValue = Math.ceil(value.length / Constants.EVM_WORD_WIDTH_IN_BYTES);
- const paddedBytesForValue = wordsForValue * Constants.EVM_WORD_WIDTH_IN_BYTES;
- const valueBuf = ethUtil.setLengthRight(new Buffer(value), paddedBytesForValue);
+ const paddedDynamicBytesForValue = wordsForValue * Constants.EVM_WORD_WIDTH_IN_BYTES;
+ const valueBuf = ethUtil.setLengthRight(new Buffer(value), paddedDynamicBytesForValue);
const lengthBuf = ethUtil.setLengthLeft(ethUtil.toBuffer(value.length), Constants.EVM_WORD_WIDTH_IN_BYTES);
const encodedValueBuf = Buffer.concat([lengthBuf, valueBuf]);
return encodedValueBuf;
@@ -390,13 +390,13 @@ export class Pointer extends DependentDataType {
export class Tuple extends MemberDataType {
private readonly _tupleSignature: string;
- public static matchGrammar(type: string): boolean {
+ public static matchType(type: string): boolean {
return type === 'tuple';
}
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
- if (!Tuple.matchGrammar(dataItem.type)) {
+ if (!Tuple.matchType(dataItem.type)) {
throw new Error(`Tried to instantiate Tuple with bad input: ${dataItem}`);
}
this._tupleSignature = this._computeSignatureOfMembers();
@@ -407,18 +407,18 @@ export class Tuple extends MemberDataType {
}
}
-export class SolArray extends MemberDataType {
+export class Array extends MemberDataType {
private static readonly _matcher = RegExp('^(.+)\\[([0-9]*)\\]$');
private readonly _arraySignature: string;
private readonly _elementType: string;
- public static matchGrammar(type: string): boolean {
- return SolArray._matcher.test(type);
+ public static matchType(type: string): boolean {
+ return Array._matcher.test(type);
}
public constructor(dataItem: DataItem) {
// Sanity check
- const matches = SolArray._matcher.exec(dataItem.type);
+ const matches = Array._matcher.exec(dataItem.type);
if (matches === null || matches.length !== 3) {
throw new Error(`Could not parse array: ${dataItem.type}`);
} else if (matches[1] === undefined) {
@@ -473,7 +473,7 @@ export class Method extends MemberDataType {
this.selector = this._methodSelector = this._computeSelector();
this._returnDataTypes = [];
this._returnDataItem = { type: 'tuple', name: abi.name, components: abi.outputs };
- const dummy = new Byte({ type: 'byte', name: 'DUMMY' }); // @TODO TMP
+ const dummy = new StaticBytes({ type: 'byte', name: 'DUMMY' }); // @TODO TMP
_.each(abi.outputs, (dataItem: DataItem) => {
this._returnDataTypes.push(this.getFactory().create(dataItem, dummy));
});
@@ -543,24 +543,24 @@ export class EvmDataTypeFactory implements DataTypeFactory {
}
public mapDataItemToDataType(dataItem: DataItem): DataType {
- if (SolArray.matchGrammar(dataItem.type)) {
- return new SolArray(dataItem);
- } else if (Address.matchGrammar(dataItem.type)) {
+ if (Array.matchType(dataItem.type)) {
+ return new Array(dataItem);
+ } else if (Address.matchType(dataItem.type)) {
return new Address(dataItem);
- } else if (Bool.matchGrammar(dataItem.type)) {
+ } else if (Bool.matchType(dataItem.type)) {
return new Bool(dataItem);
- } else if (Int.matchGrammar(dataItem.type)) {
+ } else if (Int.matchType(dataItem.type)) {
return new Int(dataItem);
- } else if (UInt.matchGrammar(dataItem.type)) {
+ } else if (UInt.matchType(dataItem.type)) {
return new UInt(dataItem);
- } else if (Byte.matchGrammar(dataItem.type)) {
- return new Byte(dataItem);
- } else if (Tuple.matchGrammar(dataItem.type)) {
+ } else if (StaticBytes.matchType(dataItem.type)) {
+ return new StaticBytes(dataItem);
+ } else if (Tuple.matchType(dataItem.type)) {
return new Tuple(dataItem);
- } else if (Bytes.matchGrammar(dataItem.type)) {
- return new Bytes(dataItem);
- } else if (SolString.matchGrammar(dataItem.type)) {
- return new SolString(dataItem);
+ } else if (DynamicBytes.matchType(dataItem.type)) {
+ return new DynamicBytes(dataItem);
+ } else if (String.matchType(dataItem.type)) {
+ return new String(dataItem);
}
// @TODO: Implement Fixed/UFixed types
throw new Error(`Unrecognized data type: '${dataItem.type}'`);