Created
February 7, 2022 20:54
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| async awaitTransactionSignatureConfirmation( | |
| txid: TransactionSignature, | |
| timeout: number, | |
| confirmLevel: TransactionConfirmationStatus, | |
| ) { | |
| let done = false; | |
| const confirmLevels: (TransactionConfirmationStatus | null | undefined)[] = | |
| ['finalized']; | |
| if (confirmLevel === 'confirmed') { | |
| confirmLevels.push('confirmed'); | |
| } else if (confirmLevel === 'processed') { | |
| confirmLevels.push('confirmed'); | |
| confirmLevels.push('processed'); | |
| } | |
| let subscriptionId; | |
| const result = await new Promise((resolve, reject) => { | |
| (async () => { | |
| setTimeout(() => { | |
| if (done) { | |
| return; | |
| } | |
| done = true; | |
| console.log('Timed out for txid: ', txid); | |
| reject({ timeout: true }); | |
| }, timeout); | |
| try { | |
| subscriptionId = this.connection.onSignature( | |
| txid, | |
| (result, context) => { | |
| subscriptionId = undefined; | |
| done = true; | |
| if (result.err) { | |
| reject(result.err); | |
| } else { | |
| this.lastSlot = context?.slot; | |
| resolve(result); | |
| } | |
| }, | |
| 'processed', | |
| ); | |
| } catch (e) { | |
| done = true; | |
| console.log('WS error in setup', txid, e); | |
| } | |
| let retrySleep = 200; | |
| while (!done) { | |
| // eslint-disable-next-line no-loop-func | |
| await sleep(retrySleep); | |
| (async () => { | |
| try { | |
| const response = await this.connection.getSignatureStatuses([ | |
| txid, | |
| ]); | |
| const result = response && response.value[0]; | |
| if (!done) { | |
| if (!result) { | |
| // console.log('REST null result for', txid, result); | |
| } else if (result.err) { | |
| console.log('REST error for', txid, result); | |
| done = true; | |
| reject(result.err); | |
| } else if ( | |
| !( | |
| result.confirmations || | |
| confirmLevels.includes(result.confirmationStatus) | |
| ) | |
| ) { | |
| console.log('REST not confirmed', txid, result); | |
| } else { | |
| this.lastSlot = response?.context?.slot; | |
| console.log('REST confirmed', txid, result); | |
| done = true; | |
| resolve(result); | |
| } | |
| } | |
| } catch (e) { | |
| if (!done) { | |
| console.log('REST connection error: txid', txid, e); | |
| } | |
| } | |
| })(); | |
| if (retrySleep <= 1600) { | |
| retrySleep = retrySleep * 2; | |
| } | |
| } | |
| })(); | |
| }); | |
| if (subscriptionId) { | |
| this.connection.removeSignatureListener(subscriptionId).catch((e) => { | |
| console.log('WS error in cleanup', e); | |
| }); | |
| } | |
| done = true; | |
| return result; | |
| } |
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