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* Per-network data source; drop duplicate regtest fields; add mutinynetAdam Soltys2026-06-271-1/+2
| | | | | | | | | | | | | | The network card is now just the network picker. Each network's endpoints (Electrum server + block explorer) live solely in the Data source card, whose options change per network and are stored per network (so switching networks remembers each one's choice). Removes the duplicate regtest Esplora/WS fields. Adds mutinynet (signet — testnet address format, explorer at mutinynet.com). Per-network defaults: mainnet → coinos Electrum, testnet/mutinynet → explorer, regtest → local Fulcrum. Fixes tx-explorer links to use each network's web base (no double /testnet). Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
* Add Electrum-over-WebSocket as an alternative data backendAdam Soltys2026-06-261-0/+237
Settings → Data source now offers 'Electrum' alongside the Esplora REST explorer. One Electrum WebSocket serves BOTH the wallet's data queries and scripthash push notifications, so pointing Hal at your own Fulcrum/electrs gives a fully self-hosted setup — no coinos, no public REST, nothing shared off your node. - src/electrum.js: ElectrumApi maps the Esplora shapes the wallet consumes onto Electrum methods (scripthash get_balance/listunspent/get_history, estimatefee, transaction.broadcast). electrs has no verbose tx lookup, so it parses raw txs and resolves input values from parent txs to compute fees (cached, in-flight deduped, bounded-parallel). Validated field-for-field against mempool.space: addressTxs (fee/vin/vout/status), getTx, outspend, balance, utxos. - wallet.js: the realtime socket already spoke Electrum's notify protocol; added request/response (_rpcCall) so the same connection answers data calls. Real Electrum notifications carry no tx data, so they reconcile via the backend. Replaced the fragile newline parser with a string-aware brace-depth scanner that handles every framing (newline, one-per-frame, concatenated, split) — fixes a buffer-poisoning hang under concurrent calls; also hardens the coinos watcher path. Esplora stays the default; nothing changes for existing users. Verified end-to-end against blockstream's electrs: concurrent transport, a full fresh-wallet scan (~2s), and the parser unit-tested on all framings. Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>