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wallet: handle multiple conflicting inputs

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Braydon Fuller 2019-05-14 11:58:26 -07:00
parent af19d802f5
commit eba7bbeddc
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2 changed files with 33 additions and 0 deletions
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3
lib/wallet/txdb.js
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@ -886,6 +886,9 @@ class TXDB {
async removeRecursive(wtx) { async removeRecursive(wtx) {
const {tx, hash} = wtx; const {tx, hash} = wtx;
if (!await this.hasTX(hash))
return null;
for (let i = 0; i < tx.outputs.length; i++) { for (let i = 0; i < tx.outputs.length; i++) {
const spent = await this.getSpent(hash, i); const spent = await this.getSpent(hash, i);

30
test/wallet-test.js
View File

@ -519,6 +519,36 @@ describe('Wallet', function() {
assert.strictEqual((await wallet.getBalance()).unconfirmed, 0); assert.strictEqual((await wallet.getBalance()).unconfirmed, 0);
}); });
it('should handle double-spend (multiple inputs)', async () => {
const wallet = await wdb.create();
const address = await wallet.receiveAddress();
const hash = random.randomBytes(32);
const input0 = Input.fromOutpoint(new Outpoint(hash, 0));
const input1 = Input.fromOutpoint(new Outpoint(hash, 1));
const txa = new MTX();
txa.addInput(input0);
txa.addInput(input1);
txa.addOutput(address, 50000);
await wdb.addTX(txa.toTX());
assert.strictEqual((await wallet.getBalance()).unconfirmed, 50000);
let conflict = false;
wallet.on('conflict', () => {
conflict = true;
});
const txb = new MTX();
txb.addInput(input0);
txb.addInput(input1);
txb.addOutput(address, 49000);
await wdb.addTX(txb.toTX());
assert(conflict);
assert.strictEqual((await wallet.getBalance()).unconfirmed, 49000);
});
it('should handle more missed txs', async () => { it('should handle more missed txs', async () => {
const alice = await wdb.create(); const alice = await wdb.create();
const bob = await wdb.create(); const bob = await wdb.create();