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authorLeonid Logvinov <logvinov.leon@gmail.com>2017-12-06 00:53:59 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2017-12-06 00:53:59 +0800
commit1ce66b4a81b736f5288463be609a902af64cbe77 (patch)
tree55a563c7d7a53213c3299f333e80e916c17e265b /packages/abi-gen/src/utils.ts
parent63b1199bd545b9f37481fdb8707c0acc49c4d4c3 (diff)
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Rename abi-gen to typed-contracts
Diffstat (limited to 'packages/abi-gen/src/utils.ts')
-rw-r--r--packages/abi-gen/src/utils.ts56
1 files changed, 56 insertions, 0 deletions
diff --git a/packages/abi-gen/src/utils.ts b/packages/abi-gen/src/utils.ts
new file mode 100644
index 000000000..eaf5a30cc
--- /dev/null
+++ b/packages/abi-gen/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 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}`);
+ }
+ },
+};