Add reversible policy to pending vtxos (#311)

* [server] descriptor-based vtxo script

* [server] fix unit tests

* [sdk] descriptor based vtxo

* empty config check & version flag support

* fix: empty config check & version flag support (#309)

* fix

* [sdk] several fixes

* [sdk][server] several fixes

* [common][sdk] add reversible VtxoScript type, use it in async payment

* [common] improve parser

* [common] fix reversible vtxo parser

* [sdk] remove logs

* fix forfeit map

* remove debug log

* [sdk] do not allow reversible vtxo script in case of self-transfer

* remove signing pubkey

* remove signer public key, craft forfeit txs client side

* go work sync

* fix linter errors

* rename MakeForfeitTxs to BuildForfeitTxs

* fix conflicts

* fix tests

* comment VtxoScript type

* revert ROUND_INTERVAL value

---------

Co-authored-by: Pietralberto Mazza <18440657+altafan@users.noreply.github.com>
Co-authored-by: sekulicd <sekula87@gmail.com>

common/tree/type.go

@@ -1,10 +1,12 @@
 package tree
 
-import "github.com/vulpemventures/go-elements/psetv2"
+import (
+	"github.com/vulpemventures/go-elements/psetv2"
+)
 
 type TreeFactory func(outpoint psetv2.InputArgs) (CongestionTree, error)
 
 type Receiver struct {
-	Pubkey string
+	Script VtxoScript
 	Amount uint64
 }