Signed-off-by: James Zuccon <zuccon@gmail.com>
This commit is contained in:
James Zuccon
2024-09-06 12:10:09 +10:00
parent f189c4643b
commit ce688ce0a4
5 changed files with 124 additions and 28 deletions
+38 -8
View File
@@ -1,4 +1,4 @@
import { Transaction } from '@xo/primitives';
import { Transaction, TransactionGraph } from '@xo/primitives';
import { AddressNotification, ElectrumRequest } from './blockchain-types.js';
import { ElectrumClient } from '@electrum-cash/network';
@@ -9,6 +9,8 @@ export type AddressCallback = (status: string | null) => void;
// For local state, we'll want to track a tree of dependencies locally.
// Might be able to copy whatever structure a proper node uses (DAG?).
export class Blockchain {
pendingTransactions: TransactionGraph = new TransactionGraph();
electrumClient!: ElectrumClient;
// Address subscriptions.
@@ -76,21 +78,49 @@ export class Blockchain {
return response;
}
// TODO: async commit() method
// This won't actually broadcast, this will just commit the transaction to our graph.
// The reason we want this is because, for protos like BIP70, we want service to verify the tx and broadcast it.
// And we just want to be able to monitor whether service did the needful (broadcasted it).
// This should accept options: { waitForSeen: boolean }
/**
* This won't actually broadcast, this will just commit the transaction to our graph.
* The reason we want this is because, for protos like BIP70, we want service to verify the tx and broadcast it.
* And we just want to be able to monitor whether service did the needful (broadcasted it).
* This should accept options: { waitForSeen: boolean }
*/
async commitTransaction(
transaction: Transaction,
transaction: Uint8Array | Transaction | string,
opts: { waitUntilSeen: boolean } = { waitUntilSeen: true }
) {
console.log(transaction);
if (typeof transaction === 'string') {
transaction = Transaction.fromHex(transaction);
}
if (transaction instanceof Uint8Array) {
transaction = Transaction.fromBytes(transaction);
}
this.pendingTransactions.addTransaction(transaction);
// TODO: Wait for transaction to be seen on network.
console.log(opts);
}
// TODO: async broadcast() method
// This should accept options: { waitForSeen: boolean }
async broadcastTransaction(
transaction: Uint8Array | Transaction | string,
opts: { waitUntilSeen: boolean } = { waitUntilSeen: true }
) {
if (typeof transaction === 'string') {
transaction = Transaction.fromHex(transaction);
}
if (transaction instanceof Uint8Array) {
transaction = Transaction.fromBytes(transaction);
}
this.pendingTransactions.addTransaction(transaction);
// TODO: Broadcast the transaction.
// TODO: Wait for transaction to be seen on network.
console.log(opts);
}
async subscribeAddress(address: string, callback: AddressCallback) {
await this.electrumClient.subscribe(