Press n or j to go to the next uncovered block, b, p or k for the previous block.
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MempoolTransaction,
Transaction,
TransactionType,
} from '@stacks/stacks-blockchain-api-types';
import { fetchPrivate } from 'micro-stacks/common';
export const isNumber = (value: number | string): value is number => typeof value === 'number';
export function parseTxTypeStrings(values: string[]): TransactionType[] {
return values.map(v => {
switch (v) {
case 'contract_call':
case 'smart_contract':
case 'token_transfer':
case 'coinbase':
case 'poison_microblock':
return v;
default:
throw new Error(`Unexpected tx type: ${JSON.stringify(v)}`);
}
});
}
export const validateTxTypes = (typeQuery: TransactionType[] | TransactionType) => {
let txTypeFilter: TransactionType[];
if (Array.isArray(typeQuery)) {
txTypeFilter = parseTxTypeStrings(typeQuery as string[]);
} else if (typeof typeQuery === 'string') {
txTypeFilter = parseTxTypeStrings([typeQuery]);
} else if (typeQuery) {
throw new Error(`Unexpected tx type query value: ${JSON.stringify(typeQuery)}`);
} else {
txTypeFilter = [];
}
return txTypeFilter;
};
export const generateQueryStringFromArray = <T>(key: string, values?: T[]) => {
Iif (values?.length) {
return `${values
.map(
(value, index) =>
`${index > 0 ? encodeURIComponent(`${key}[]`) : ''}=${encodeURIComponent(
value as unknown as string
)}`
)
.join('&')}`;
}
return '';
};
export const generateUrl = <Value = unknown>(
baseUrl: string,
params: { [key: string]: string[] | string | number | boolean | undefined }
): string => {
try {
const url = new URL(baseUrl);
Object.keys(params).forEach(key => {
const value = params[key];
if (!value) return;
Iif (Array.isArray(value)) {
Iif (value.length === 0) return;
return url.searchParams.set(`${key}[]`, generateQueryStringFromArray<string>(key, value));
}
if (typeof value == 'boolean' || isNumber(value)) {
return url.searchParams.set(key, String(value));
} else {
url.searchParams.set(key, value);
}
});
return url.toString();
} catch (e) {
console.error('generateUrl');
console.error(e);
return baseUrl;
}
};
export function v1Endpoint(url: string) {
return `${url}/v1`;
}
export function v2Endpoint(url: string) {
return `${url}/v2`;
}
export function extendedEndpoint(url: string) {
return `${url}/extended/v1`;
}
export function statusEndpoint(url: string) {
return `${extendedEndpoint(url)}/status`;
}
export function searchEndpoint(url: string) {
return `${extendedEndpoint(url)}/search`;
}
export function feeRateEndpoint(url: string) {
return `${extendedEndpoint(url)}/fee_rate`;
}
export function burnchainEndpoint(url: string) {
return `${extendedEndpoint(url)}/burnchain`;
}
export function blockEndpoint(url: string) {
return `${extendedEndpoint(url)}/block`;
}
export function contractEndpoint(url: string) {
return `${extendedEndpoint(url)}/contract`;
}
export function tokensEndpoint(url: string) {
return `${extendedEndpoint(url)}/tokens`;
}
export function contractsEndpoint(url: string) {
return `${v2Endpoint(url)}/contracts`;
}
export function feesEndpoint(url: string) {
return `${v2Endpoint(url)}/fees/transfers`;
}
export function microblockEndpoint(url: string) {
return `${extendedEndpoint(url)}/microblock`;
}
export function stxFaucetEndpoint(url: string) {
return `${extendedEndpoint(url)}/faucets/stx`;
}
export function btcFaucetEndpoint(url: string) {
return `${extendedEndpoint(url)}/faucets/btc`;
}
export function stxSupplyEndpoint(url: string) {
return `${extendedEndpoint(url)}/stx_supply`;
}
export function stxSupplyPlainEndpoint(url: string) {
return `${extendedEndpoint(url)}/stx_supply/total/plain`;
}
export function stxSupplyCirculatingPlainEndpoint(url: string) {
return `${extendedEndpoint(url)}/stx_supply/circulating/plain`;
}
export function stxSupplyLegacyFormatEndpoint(url: string) {
return `${extendedEndpoint(url)}/stx_supply/legacy_format`;
}
export function addressEndpoint(url: string) {
return `${extendedEndpoint(url)}/address`;
}
export function txEndpoint(url: string) {
return `${extendedEndpoint(url)}/tx`;
}
export function infoEndpoint(url: string) {
return `${v2Endpoint(url)}/info`;
}
export function poxEndpoint(url: string) {
return `${v2Endpoint(url)}/pox`;
}
export function networkBlockTimesEndpoint(url: string) {
return `${extendedEndpoint(url)}/info/network_block_times`;
}
export function networkBlockTimeEndpoint(url: string) {
return `${extendedEndpoint(url)}/info/network_block_time`;
}
export function txMempoolEndpoint(url: string) {
return `${txEndpoint(url)}/mempool`;
}
export async function fetchJson<T>(path: string) {
const res = await fetchPrivate(path);
return (await res.json()) as T;
}
export async function fetchJsonPost<T>(
path: string,
options: Omit<RequestInit, 'body'> & { body?: unknown } = {}
) {
const requestHeaders = {
'Content-Type': 'application/json; charset=utf-8',
Accept: 'application/json',
};
const contents = options.body ? JSON.stringify(options.body) : undefined;
const fetchOptions = {
...options,
method: 'POST',
body: contents,
headers: requestHeaders,
};
const res = await fetchPrivate(path, fetchOptions);
return (await res.json()) as T;
}
export async function fetchText<T>(path: string): Promise<string> {
const requestHeaders = {
Accept: 'text/plain',
};
const fetchOptions = {
method: 'GET',
headers: requestHeaders,
};
const res = await fetchPrivate(path, fetchOptions);
return res.text();
}
export function getNextPageParam(options: { limit: number; offset: number; total: number }) {
Iif (!options) return 0;
const { limit, offset, total } = options;
const sum = offset + limit;
const delta = total - sum;
const isAtEnd = delta === 0 || Math.sign(delta) === -1;
Iif (Math.abs(delta) === sum || isAtEnd) return undefined;
return sum;
}
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