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getAccountNonFinalizedTransactions.ts
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getAccountNonFinalizedTransactions.ts
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import { parseEndpoint } from '../shared/util.js';
import { AccountAddress, TransactionHash } from '@concordium/web-sdk';
import { ConcordiumGRPCNodeClient } from '@concordium/web-sdk/nodejs';
import { credentials } from '@grpc/grpc-js';
import meow from 'meow';
const cli = meow(
`
Usage
$ yarn run-example <path-to-this-file> [options]
Required
--account, -a The account to get transactions from
Options
--help, Displays this message
--endpoint, -e Specify endpoint of the form "address:port", defaults to localhost:20000
`,
{
importMeta: import.meta,
flags: {
account: {
type: 'string',
alias: 'a',
isRequired: true,
},
endpoint: {
type: 'string',
alias: 'e',
default: 'localhost:20000',
},
},
}
);
const [address, port] = parseEndpoint(cli.flags.endpoint);
const client = new ConcordiumGRPCNodeClient(
address,
Number(port),
credentials.createInsecure()
);
/**
* Get a list of non-finalized transaction hashes for a given account. This
* endpoint is not expected to return a large amount of data in most cases,
* but in bad network conditions it might. The stream will end when all the
* non-finalized transaction hashes have been returned. An optional abort signal
* can also be provided that closes the stream.
* Note: A stream can be collected to a list with the streamToList function.
*/
(async () => {
// #region documentation-snippet
const accountAddress = AccountAddress.fromBase58(cli.flags.account);
const transactions: AsyncIterable<TransactionHash.Type> =
client.getAccountNonFinalizedTransactions(accountAddress);
// #endregion documentation-snippet
for await (const transaction of transactions) {
console.log(transaction);
}
})();