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import * as fs from 'fs';
import * as _ from 'lodash';
import * as path from 'path';
import {ParamKind} from './types';
export const utils = {
solTypeToTsType(paramKind: ParamKind, solType: string): string {
const trailingArrayRegex = /\[\d*\]$/;
if (solType.match(trailingArrayRegex)) {
const arrayItemSolType = solType.replace(trailingArrayRegex, '');
const arrayItemTsType = utils.solTypeToTsType(paramKind, arrayItemSolType);
const arrayTsType = `(${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*$', tsType: 'string'},
];
if (paramKind === ParamKind.Input) {
// web3 allows to pass those an non-bignumbers and that's nice
// but it always returns stuff as BigNumbers
solTypeRegexToTsType.unshift({regex: '^u?int(8|16|32)?$', tsType: 'number|BigNumber'});
}
for (const regexAndTxType of solTypeRegexToTsType) {
const {regex, tsType} = regexAndTxType;
if (solType.match(regex)) {
return tsType;
}
}
throw new Error(`Unknown Solidity type found: ${solType}`);
}
},
log(...args: any[]): void {
console.log(...args); // tslint:disable-line:no-console
},
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}`);
}
},
};
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