64 lines
1.8 KiB
TypeScript
64 lines
1.8 KiB
TypeScript
import { PLATFORM_BITCOIN_ADDRESS } from './platformConfig'
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import type { TransactionVerificationResult } from './mempoolSpaceTypes'
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import { getTransaction } from './mempoolSpaceApi'
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import { verifySponsoringTransaction } from './mempoolSpaceVerification'
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export function scheduleNextCheck(checkConfirmation: () => void, interval: number): void {
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setTimeout(() => {
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void checkConfirmation()
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}, interval)
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}
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export async function checkTransactionStatus(
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params: {
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txid: string
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startTime: number
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timeout: number
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interval: number
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resolve: (value: TransactionVerificationResult | null) => void
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checkConfirmation: () => void
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}
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): Promise<void> {
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if (Date.now() - params.startTime > params.timeout) {
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params.resolve(null)
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return
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}
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const transaction = await getTransaction(params.txid)
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if (!transaction) {
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scheduleNextCheck(params.checkConfirmation, params.interval)
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return
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}
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const authorOutput = transaction.vout.find(
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(output) => output.scriptpubkey_address !== PLATFORM_BITCOIN_ADDRESS
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)
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if (!authorOutput) {
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scheduleNextCheck(params.checkConfirmation, params.interval)
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return
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}
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const result = await verifySponsoringTransaction(params.txid, authorOutput.scriptpubkey_address)
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if (result.confirmed && result.valid) {
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params.resolve(result)
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} else {
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scheduleNextCheck(params.checkConfirmation, params.interval)
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}
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}
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export async function waitForConfirmation(
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txid: string,
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timeout: number = 600000, // 10 minutes
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interval: number = 10000 // 10 seconds
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): Promise<TransactionVerificationResult | null> {
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const startTime = Date.now()
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return new Promise((resolve) => {
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const checkConfirmation = (): void => {
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void checkTransactionStatus({ txid, startTime, timeout, interval, resolve, checkConfirmation })
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}
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checkConfirmation()
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})
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}
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