lightningdevkit
Version:
Lightning Development Kit
58 lines • 2.67 kB
JavaScript
import { CommonBase } from './CommonBase.mjs';
import * as bindings from '../bindings.mjs';
class LDKBroadcasterInterfaceHolder {
constructor() {
this.held = null;
}
}
/**
* An interface to send a transaction to the Bitcoin network.
*/
export class BroadcasterInterface extends CommonBase {
/* @internal */
constructor(_dummy, ptr) {
super(ptr, bindings.BroadcasterInterface_free);
this.bindings_instance = null;
}
/** Creates a new instance of BroadcasterInterface from a given implementation */
static new_impl(arg) {
const impl_holder = new LDKBroadcasterInterfaceHolder();
let structImplementation = {
broadcast_transactions(txs) {
const txs_conv_12_len = bindings.getArrayLength(txs);
const txs_conv_12_arr = new Array(txs_conv_12_len).fill(null);
for (var m = 0; m < txs_conv_12_len; m++) {
const txs_conv_12 = bindings.getU32ArrayElem(txs, m);
const txs_conv_12_conv = bindings.decodeUint8Array(txs_conv_12);
txs_conv_12_arr[m] = txs_conv_12_conv;
}
bindings.freeWasmMemory(txs);
arg.broadcast_transactions(txs_conv_12_arr);
},
};
const ptr_idx = bindings.LDKBroadcasterInterface_new(structImplementation);
impl_holder.held = new BroadcasterInterface(null, ptr_idx[0]);
impl_holder.held.instance_idx = ptr_idx[1];
impl_holder.held.bindings_instance = structImplementation;
return impl_holder.held;
}
/**
* Sends a list of transactions out to (hopefully) be mined.
* This only needs to handle the actual broadcasting of transactions, LDK will automatically
* rebroadcast transactions that haven't made it into a block.
*
* In some cases LDK may attempt to broadcast a transaction which double-spends another
* and this isn't a bug and can be safely ignored.
*
* If more than one transaction is given, these transactions should be considered to be a
* package and broadcast together. Some of the transactions may or may not depend on each other,
* be sure to manage both cases correctly.
*
* Bitcoin transaction packages are defined in BIP 331 and here:
* <https://github.com/bitcoin/bitcoin/blob/master/doc/policy/packages.md>
*/
broadcast_transactions(txs) {
bindings.BroadcasterInterface_broadcast_transactions(this.ptr, bindings.encodeUint32Array(txs.map(txs_conv_12 => bindings.encodeUint8Array(txs_conv_12))));
}
}
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