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>

server/internal/interface/grpc/handlers/parser.go

@@ -124,7 +124,7 @@ func (v vtxoList) toProto() []*arkv1.Vtxo {
 			SpentBy:   vv.SpentBy,
 			Swept:     vv.Swept,
 			RedeemTx:  vv.RedeemTx,
-			Pending:   vv.Pending,
+			IsOor:     len(vv.RedeemTx) > 0,
 			Pubkey:    vv.Pubkey,
 		})
 	}