Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | 42x 42x 42x 41x 41x 10x 10x 31x 1x 1x 1x 1x 33x 1x 1x 32x 2x 2x 30x 30x 1x 1x 29x 1x 28x 28x 28x 3x 28x | import { config as bskConfig, validateProofs, resolveZoneFileToProfile } from 'blockstack'
import { validateStacksAddress } from '@stacks/transactions'
import fetch from 'node-fetch'
import logger from 'winston'
export async function isSubdomainRegistered(fullyQualifiedAddress: String) {
try {
const nameInfoUrl = bskConfig.network.blockstackAPIUrl + '/v1/names/' + fullyQualifiedAddress
const nameInfoRequest = await fetch(nameInfoUrl)
const { status } = nameInfoRequest
if (status == 200) {
const nameInfo = await nameInfoRequest.json()
return (nameInfo.status === 'registered_subdomain')
} else {
return false
}
} catch (err) {
Iif (err.message === 'Name not found') {
return false
} else Iif (err.message === 'Bad response status: 500') {
return false // currently, the blockstack api returns 500 on subdomain lookup errors.
} else {
throw err
}
}
}
export function validlySignedUpdate() {
throw new Error('Not implemented')
}
export function checkProofs(owner, zonefile) {
return resolveZoneFileToProfile(zonefile, owner)
.then((profile) => validateProofs(profile, owner))
.then((proofs) => proofs.filter(x => x.valid))
}
export async function isRegistrationValid(
subdomainName: String, domainName: String,
owner: String, sequenceNumber: Number, checkCore: boolean) {
// currently, only support *new* subdomains
if (sequenceNumber !== 0) {
logger.debug(`seqn: ${sequenceNumber} failed validation`)
return false
}
// owner should be a stacks address
if (!validateStacksAddress(owner)) {
logger.debug(`owner: ${owner} failed validation`)
return false
}
// subdomain name should be a legal name
const subdomainRegex = /^[a-z0-9\-_+]{1,37}$/
if (!subdomainRegex.test(subdomainName)) {
logger.debug(`subdomainName: ${subdomainName} failed validation`)
return false
}
if (!checkCore) {
return true
}
// shouldn't already exist
try {
const isRegistered = await isSubdomainRegistered(`${subdomainName}.${domainName}`)
if (isRegistered) {
logger.warn(`${subdomainName}.${domainName} already exists`)
}
return !isRegistered
} catch (e) {
logger.error(e)
return false
}
}
|