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Diffstat (limited to 'packages/typed-contracts/src/utils.ts')
-rw-r--r-- | packages/typed-contracts/src/utils.ts | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/packages/typed-contracts/src/utils.ts b/packages/typed-contracts/src/utils.ts new file mode 100644 index 000000000..0600188a1 --- /dev/null +++ b/packages/typed-contracts/src/utils.ts @@ -0,0 +1,56 @@ +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 type ${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 = path.parse(filename).name; + try { + const content = fs.readFileSync(filename).toString(); + return { + name, + content, + }; + } catch (err) { + throw new Error(`Failed to read ${filename}: ${err}`); + } + }, +}; |