fix: fix TypeError when confirmed block is not found (#13264)
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@ -2535,10 +2535,11 @@ export class Connection {
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*/
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async getConfirmedBlock(slot: number): Promise<ConfirmedBlock> {
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const unsafeRes = await this._rpcRequest('getConfirmedBlock', [slot]);
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const {result, error} = GetConfirmedBlockRpcResult(unsafeRes);
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if (error) {
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throw new Error('failed to get confirmed block: ' + result.error.message);
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const res = GetConfirmedBlockRpcResult(unsafeRes);
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if (res.error) {
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throw new Error('failed to get confirmed block: ' + res.error.message);
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}
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const result = res.result;
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assert(typeof result !== 'undefined');
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if (!result) {
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throw new Error('Confirmed block ' + slot + ' not found');
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@ -1120,13 +1120,15 @@ test('get confirmed block', async () => {
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params: [Number.MAX_SAFE_INTEGER],
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},
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{
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error: null,
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error: {
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message: `Block not available for slot ${Number.MAX_SAFE_INTEGER}`,
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},
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result: null,
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},
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]);
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await expect(
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connection.getConfirmedBlock(Number.MAX_SAFE_INTEGER),
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).rejects.toThrow();
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).rejects.toThrow(`Block not available for slot ${Number.MAX_SAFE_INTEGER}`);
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});
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test('get recent blockhash', async () => {
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