Rename folders (#97)

* Rename arkd folder & drop cli

* Rename ark cli folder & update docs

* Update readme

* Fix

* scripts: add build-all

* Add target to build cli for all platforms

* Update build scripts

---------

Co-authored-by: tiero <3596602+tiero@users.noreply.github.com>

server/internal/infrastructure/tx-builder/covenant/sweep.go

@@ -0,0 +1,135 @@
+package txbuilder
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/ark-network/ark/common"
+	"github.com/ark-network/ark/common/tree"
+	"github.com/ark-network/ark/internal/core/ports"
+	"github.com/vulpemventures/go-elements/address"
+	"github.com/vulpemventures/go-elements/elementsutil"
+	"github.com/vulpemventures/go-elements/psetv2"
+	"github.com/vulpemventures/go-elements/taproot"
+	"github.com/vulpemventures/go-elements/transaction"
+)
+
+func sweepTransaction(
+	wallet ports.WalletService,
+	sweepInputs []ports.SweepInput,
+	lbtc string,
+) (*psetv2.Pset, error) {
+	sweepPset, err := psetv2.New(nil, nil, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	updater, err := psetv2.NewUpdater(sweepPset)
+	if err != nil {
+		return nil, err
+	}
+
+	amount := uint64(0)
+
+	for i, input := range sweepInputs {
+		leaf := input.SweepLeaf
+		isSweep, _, lifetime, err := tree.DecodeSweepScript(leaf.Script)
+		if err != nil {
+			return nil, err
+		}
+
+		if isSweep {
+			amount += input.Amount
+
+			if err := updater.AddInputs([]psetv2.InputArgs{input.InputArgs}); err != nil {
+				return nil, err
+			}
+
+			if err := updater.AddInTapLeafScript(i, leaf); err != nil {
+				return nil, err
+			}
+
+			assetHash, err := elementsutil.AssetHashToBytes(lbtc)
+			if err != nil {
+				return nil, err
+			}
+
+			value, err := elementsutil.ValueToBytes(input.Amount)
+			if err != nil {
+				return nil, err
+			}
+
+			root := leaf.ControlBlock.RootHash(leaf.Script)
+			taprootKey := taproot.ComputeTaprootOutputKey(leaf.ControlBlock.InternalKey, root)
+			script, err := taprootOutputScript(taprootKey)
+			if err != nil {
+				return nil, err
+			}
+
+			witnessUtxo := transaction.NewTxOutput(assetHash, value, script)
+
+			if err := updater.AddInWitnessUtxo(i, witnessUtxo); err != nil {
+				return nil, err
+			}
+
+			sequence, err := common.BIP68EncodeAsNumber(lifetime)
+			if err != nil {
+				return nil, err
+			}
+
+			updater.Pset.Inputs[i].Sequence = sequence
+			continue
+		}
+
+		return nil, fmt.Errorf("invalid sweep script")
+	}
+
+	ctx := context.Background()
+
+	sweepAddress, err := wallet.DeriveAddresses(ctx, 1)
+	if err != nil {
+		return nil, err
+	}
+
+	script, err := address.ToOutputScript(sweepAddress[0])
+	if err != nil {
+		return nil, err
+	}
+
+	if err := updater.AddOutputs([]psetv2.OutputArgs{
+		{
+			Asset:  lbtc,
+			Amount: amount,
+			Script: script,
+		},
+	}); err != nil {
+		return nil, err
+	}
+
+	b64, err := sweepPset.ToBase64()
+	if err != nil {
+		return nil, err
+	}
+
+	fees, err := wallet.EstimateFees(ctx, b64)
+	if err != nil {
+		return nil, err
+	}
+
+	if amount < fees {
+		return nil, fmt.Errorf("insufficient funds (%d) to cover fees (%d) for sweep transaction", amount, fees)
+	}
+
+	updater.Pset.Outputs[0].Value = amount - fees
+
+	if err := updater.AddOutputs([]psetv2.OutputArgs{
+		{
+			Asset:  lbtc,
+			Amount: fees,
+		},
+	}); err != nil {
+		return nil, err
+	}
+
+	return sweepPset, nil
+}