Add support for Out Of Round txs (#359)

* [common] rework address encoding

* new address encoding

* replace offchain address by vtxo output key in DB

* merge migrations files into init one

* fix txbuilder fixtures

* fix transaction events

* OOR scheme

* fix conflicts

* [sdk] OOR

* update WASM wrappers

* revert renaming

* revert API changes

* update parser.go

* fix vtxosToTxsCovenantless

* add settled and spent in Utxo and Transaction

* Fixes (#5)

* Revert unneeded changes and rename claim to settle

* Revert changes to wasm and rename claim to settle

---------

Co-authored-by: Pietralberto Mazza <18440657+altafan@users.noreply.github.com>

pkg/client-sdk/client.go

@@ -270,6 +270,27 @@ func (a *arkClient) ping(
 	return ticker.Stop
 }
 
+func (a *arkClient) ListVtxos(
+	ctx context.Context,
+) (spendableVtxos, spentVtxos []client.Vtxo, err error) {
+	offchainAddrs, _, _, err := a.wallet.GetAddresses(ctx)
+	if err != nil {
+		return
+	}
+
+	for _, addr := range offchainAddrs {
+		spendable, spent, err := a.client.ListVtxos(ctx, addr.Address)
+		if err != nil {
+			return nil, nil, err
+		}
+
+		spendableVtxos = append(spendableVtxos, spendable...)
+		spentVtxos = append(spentVtxos, spent...)
+	}
+
+	return
+}
+
 func getClient(
 	supportedClients utils.SupportedType[utils.ClientFactory], clientType, aspUrl string,
 ) (client.ASPClient, error) {
@@ -329,3 +350,15 @@ func getWalletStore(storeType, datadir string) (walletstore.WalletStore, error)
 func getCreatedAtFromExpiry(roundLifetime int64, expiry time.Time) time.Time {
 	return expiry.Add(-time.Duration(roundLifetime) * time.Second)
 }
+
+func filterByOutpoints(vtxos []client.Vtxo, outpoints []client.Outpoint) []client.Vtxo {
+	filtered := make([]client.Vtxo, 0, len(vtxos))
+	for _, vtxo := range vtxos {
+		for _, outpoint := range outpoints {
+			if vtxo.Outpoint.Equals(outpoint) {
+				filtered = append(filtered, vtxo)
+			}
+		}
+	}
+	return filtered
+}