44 lines
963 B
TypeScript
44 lines
963 B
TypeScript
import { TransactionObject } from 'web3/eth/types';
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type Web3Method<T> = (index: number) => TransactionObject<T>;
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export async function collectArrayElements<T>(
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method: Web3Method<T>,
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account: string,
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): Promise<T[]> {
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const arrayElements = [];
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let noError = true;
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let index = 0;
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while (noError) {
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try {
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arrayElements.push(await method(index).call({ from: account }));
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index += 1;
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} catch (e) {
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noError = false;
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}
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}
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return arrayElements;
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}
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interface Web3ErrorResponse {
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code: number;
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message: string;
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}
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export function web3ErrorToString(err: Web3ErrorResponse): string {
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return err.message
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.split('\n')[0]
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.split(':')
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.slice(-1)[0]
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.trim();
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}
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export function safeEnable(): Promise<void> {
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const w = typeof window === 'undefined' ? {} : (window as any);
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if (!w.ethereum || !w.ethereum.enable) {
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return Promise.reject('No web3 client installed');
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}
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return w.ethereum.enable();
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}
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