Dynamic min-relay-fee and dust amount (#280)

* [btc-embedded] add chainfee.Estimator and extraAPI interfaces

* dynamic fee amount

* dynamic dust amount

* [client] fix linter errors

* [domain] fix unit tests

* [server] return dust amount in GetInfo RPC

* [sdk] fix lnd dependencie

* go work sync

* fix witness stack size forfeit tx size estimator

* remove hardcoded fee values in covenant txbuilder

* lower liquid feerate

* fix after reviews

* go work sync

pkg/client-sdk/client/grpc/client.go

@@ -102,7 +102,7 @@ func (a *grpcClient) GetInfo(ctx context.Context) (*client.Info, error) {
 		UnilateralExitDelay:        resp.GetUnilateralExitDelay(),
 		RoundInterval:              resp.GetRoundInterval(),
 		Network:                    resp.GetNetwork(),
-		MinRelayFee:                resp.GetMinRelayFee(),
+		Dust:                       uint64(resp.GetDust()),
 		BoardingDescriptorTemplate: resp.GetBoardingDescriptorTemplate(),
 	}, nil
 }
@@ -395,6 +395,7 @@ func (e event) toRoundEvent() (client.RoundEvent, error) {
 			ID:                  ee.GetId(),
 			UnsignedTree:        treeFromProto{ee.GetUnsignedTree()}.parse(),
 			CosignersPublicKeys: pubkeys,
+			UnsignedRoundTx:     ee.GetUnsignedRoundTx(),
 		}, nil
 	}