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authorHsuan Lee <hsuan@cobinhood.com>2019-01-19 18:42:04 +0800
committerHsuan Lee <hsuan@cobinhood.com>2019-01-19 18:42:04 +0800
commit7ae38906926dc09bc10670c361af0d2bf0050426 (patch)
tree5fb10ae366b987db09e4ddb4bc3ba0f75404ad08 /packages/abi-gen/src/utils.ts
parentb5fd3c72a08aaa6957917d74c333387a16edf66b (diff)
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Update dependency packages
Diffstat (limited to 'packages/abi-gen/src/utils.ts')
-rw-r--r--packages/abi-gen/src/utils.ts119
1 files changed, 0 insertions, 119 deletions
diff --git a/packages/abi-gen/src/utils.ts b/packages/abi-gen/src/utils.ts
deleted file mode 100644
index 56b996ce3..000000000
--- a/packages/abi-gen/src/utils.ts
+++ /dev/null
@@ -1,119 +0,0 @@
-import { AbiType, ConstructorAbi, DataItem } from 'ethereum-types';
-import * as fs from 'fs';
-import * as _ from 'lodash';
-import * as path from 'path';
-import toSnakeCase = require('to-snake-case');
-
-import { ContractsBackend, ParamKind } from './types';
-
-export const utils = {
- solTypeToTsType(paramKind: ParamKind, backend: ContractsBackend, solType: string, components?: DataItem[]): string {
- const trailingArrayRegex = /\[\d*\]$/;
- if (solType.match(trailingArrayRegex)) {
- const arrayItemSolType = solType.replace(trailingArrayRegex, '');
- const arrayItemTsType = utils.solTypeToTsType(paramKind, backend, arrayItemSolType, components);
- const arrayTsType =
- utils.isUnionType(arrayItemTsType) || utils.isObjectType(arrayItemTsType)
- ? `Array<${arrayItemTsType}>`
- : `${arrayItemTsType}[]`;
- return arrayTsType;
- } else {
- const solTypeRegexToTsType = [
- { regex: '^string$', tsType: 'string' },
- { regex: '^address$', tsType: 'string' },
- { regex: '^bool$', tsType: 'boolean' },
- { regex: '^u?int\\d*$', tsType: 'BigNumber' },
- { regex: '^bytes\\d*$', tsType: 'string' },
- ];
- if (paramKind === ParamKind.Input) {
- // web3 and ethers allow to pass those as numbers instead of bignumbers
- solTypeRegexToTsType.unshift({
- regex: '^u?int(8|16|32)?$',
- tsType: 'number|BigNumber',
- });
- }
- if (backend === ContractsBackend.Ethers && paramKind === ParamKind.Output) {
- // ethers-contracts automatically converts small BigNumbers to numbers
- solTypeRegexToTsType.unshift({
- regex: '^u?int(8|16|32|48)?$',
- tsType: 'number',
- });
- }
- for (const regexAndTxType of solTypeRegexToTsType) {
- const { regex, tsType } = regexAndTxType;
- if (solType.match(regex)) {
- return tsType;
- }
- }
- const TUPLE_TYPE_REGEX = '^tuple$';
- if (solType.match(TUPLE_TYPE_REGEX)) {
- const componentsType = _.map(components, component => {
- const componentValueType = utils.solTypeToTsType(
- paramKind,
- backend,
- component.type,
- component.components,
- );
- const componentType = `${component.name}: ${componentValueType}`;
- return componentType;
- });
- const tsType = `{${componentsType.join(';')}}`;
- return tsType;
- }
- throw new Error(`Unknown Solidity type found: ${solType}`);
- }
- },
- isUnionType(tsType: string): boolean {
- return tsType === 'number|BigNumber';
- },
- isObjectType(tsType: string): boolean {
- return /^{.*}$/.test(tsType);
- },
- getPartialNameFromFileName(filename: string): string {
- const name = path.parse(filename).name;
- return name;
- },
- getNamedContent(filename: string): { name: string; content: string } {
- const name = utils.getPartialNameFromFileName(filename);
- try {
- const content = fs.readFileSync(filename).toString();
- return {
- name,
- content,
- };
- } catch (err) {
- throw new Error(`Failed to read ${filename}: ${err}`);
- }
- },
- getEmptyConstructor(): ConstructorAbi {
- return {
- type: AbiType.Constructor,
- stateMutability: 'nonpayable',
- payable: false,
- inputs: [],
- };
- },
- makeOutputFileName(name: string): string {
- let fileName = toSnakeCase(name);
- // HACK: Snake case doesn't make a lot of sense for abbreviated names but we can't reliably detect abbreviations
- // so we special-case the abbreviations we use.
- fileName = fileName.replace('z_r_x', 'zrx').replace('e_r_c', 'erc');
- return fileName;
- },
- writeOutputFile(filePath: string, renderedTsCode: string): void {
- fs.writeFileSync(filePath, renderedTsCode);
- },
- isOutputFileUpToDate(abiFile: string, outputFile: string): boolean {
- const abiFileModTimeMs = fs.statSync(abiFile).mtimeMs;
- try {
- const outFileModTimeMs = fs.statSync(outputFile).mtimeMs;
- return outFileModTimeMs > abiFileModTimeMs;
- } catch (err) {
- if (err.code === 'ENOENT') {
- return false;
- } else {
- throw err;
- }
- }
- },
-};