new payroll

backend/README.md

@@ -534,7 +534,6 @@ Response:
 }
 ```
 
-# Deprecated
 ## GET **/{organization_id}/transactions**  
 Feth txs
 ### Request body:  

backend/internal/factory/interactors.go

@@ -44,11 +44,13 @@ func provideTxInteractor(
 	log *slog.Logger,
 	txRepo txRepo.Repository,
 	orgInteractor organizations.OrganizationsInteractor,
+	chainInteractor chain.ChainInteractor,
 ) transactions.TransactionsInteractor {
 	return transactions.NewTransactionsInteractor(
 		log.WithGroup("transaction-interactor"),
 		txRepo,
 		orgInteractor,
+		chainInteractor,
 	)
 }
 

backend/internal/factory/wire_gen.go

@@ -34,7 +34,7 @@ func ProvideService(c config.Config) (service.Service, func(), error) {
 	authController := provideAuthController(logger, usersInteractor, authPresenter, jwtInteractor, authRepository, organizationsInteractor)
 	organizationsPresenter := provideOrganizationsPresenter()
 	organizationsController := provideOrganizationsController(logger, organizationsInteractor, organizationsPresenter)
-	transactionsInteractor := provideTxInteractor(logger, transactionsRepository, organizationsInteractor)
+	transactionsInteractor := provideTxInteractor(logger, transactionsRepository, organizationsInteractor, chainInteractor)
 	transactionsController := provideTxController(logger, transactionsInteractor, chainInteractor, organizationsInteractor)
 	participantsController := provideParticipantsController(logger, organizationsInteractor, usersInteractor)
 	rootController := provideControllers(logger, authController, organizationsController, transactionsController, participantsController)

backend/internal/interface/rest/controllers/chain.go

@@ -272,9 +272,72 @@ func (s *transactionsController) ListMultisigs(w http.ResponseWriter, r *http.Re
 	return s.txPresenter.ResponseMultisigs(r.Context(), msgs)
 }
 
-// todo creates a new payout
 func (c *transactionsController) NewPayroll(w http.ResponseWriter, r *http.Request) ([]byte, error) {
-	return nil, nil
+	req, err := presenters.CreateRequest[domain.NewPayrollRequest](r)
+	if err != nil {
+		return nil, fmt.Errorf("error build request. %w", err)
+	}
+
+	ctx, cancel := context.WithTimeout(r.Context(), 3*time.Second)
+	defer cancel()
+
+	organizationID, err := ctxmeta.OrganizationId(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("erropr fetch organization id from context. %w", err)
+	}
+
+	c.log.Debug(
+		"NewPayrollRequest",
+		slog.Any("req", req),
+		slog.String("org id", organizationID.String()),
+	)
+
+	multisigID, err := uuid.Parse(req.MultisigID)
+	if err != nil {
+		return nil, fmt.Errorf("error invalid ")
+	}
+
+	user, err := ctxmeta.User(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("error fetch user from context. %w", err)
+	}
+
+	userParticipant, err := c.organizationsInteractor.Participant(ctx, organizations.ParticipantParams{
+		ID:             user.Id(),
+		OrganizationID: organizationID,
+		// TODO fetch REAL first admin
+	})
+	if err != nil {
+		return nil, fmt.Errorf("error fetch user protocpant. %w", err)
+	}
+
+	if !userParticipant.IsOwner() {
+		return nil, fmt.Errorf("only owner can create payrolls")
+	}
+
+	firstAdmin, err := c.organizationsInteractor.Participant(ctx, organizations.ParticipantParams{
+		ID:             user.Id(),
+		OrganizationID: organizationID,
+		// TODO fetch REAL first admin
+	})
+	if err != nil {
+		return nil, fmt.Errorf("error fetch first admin. %w", err)
+	}
+
+	if !firstAdmin.IsOwner() {
+		return nil, fmt.Errorf("invalid first admin. not owner")
+	}
+
+	err = c.chainInteractor.PayrollDeploy(ctx, chain.PayrollDeployParams{
+		MultisigID: multisigID,
+		FirstAdmin: firstAdmin,
+		Title:      req.Title,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("error create new payroll contract. %w", err)
+	}
+
+	return presenters.ResponseOK()
 }
 
 func (c *transactionsController) ConfirmPayroll(w http.ResponseWriter, r *http.Request) ([]byte, error) {

backend/internal/interface/rest/domain/dto.go

@@ -45,6 +45,10 @@ type LoginResponse struct {
 	RTExpiredAt  int64  `json:"refresh_token_expired_at"`
 }
 
+type NewInviteLinkRequest struct {
+	ExpirationDate int `json:"expiration_date"`
+}
+
 // Organizations
 
 type NewOrganizationRequest struct {
@@ -102,6 +106,8 @@ type AddEmployeeRequest struct {
 	WalletAddress string `json:"wallet_address"`
 }
 
+// Chain
+
 type NewMultisigRequest struct {
 	Title  string `json:"title"`
 	Owners []struct {
@@ -110,6 +116,7 @@ type NewMultisigRequest struct {
 	Confirmations int `json:"confirmations"`
 }
 
-type NewInviteLinkRequest struct {
-	ExpirationDate int `json:"expiration_date"`
+type NewPayrollRequest struct {
+	MultisigID string `json:"multisig_id"`
+	Title      string `json:"title"`
 }

backend/internal/interface/rest/server.go

@@ -90,7 +90,7 @@ func (s *Server) buildRouter() {
 
 	router.Use(render.SetContentType(render.ContentTypeJSON))
 
-	router.Get("/ping", s.handle(s.controllers.Ping.Ping, "ping"))
+	router.Get("/ping", s.handle(s.controllers.Ping.Ping, "ping")) // DEBUG
 
 	router.Post("/join", s.handle(s.controllers.Auth.Join, "join"))
 	router.Post("/login", s.handle(s.controllers.Auth.Login, "login"))
@@ -108,16 +108,6 @@ func (s *Server) buildRouter() {
 		r.Post("/", s.handle(s.controllers.Organizations.NewOrganization, "new_organization"))
 
 		r.Route("/{organization_id}", func(r chi.Router) {
-			// Deprecated??
-			r.Route("/transactions", func(r chi.Router) {
-				r.Get("/", s.handle(s.controllers.Transactions.List, "tx_list"))
-				r.Post("/", s.handle(s.controllers.Transactions.New, "new_tx"))
-				r.Put(
-					"/{tx_id}",
-					s.handle(s.controllers.Transactions.UpdateStatus, "update_tx_status"),
-				)
-			})
-
 			r.Route("/payrolls", func(r chi.Router) {
 				r.Get("/", s.handle(s.controllers.Transactions.ListPayrolls, "list_payrolls"))
 				r.Post("/", s.handle(s.controllers.Transactions.NewPayroll, "new_payroll"))
@@ -144,6 +134,16 @@ func (s *Server) buildRouter() {
 					r.Get("/", nil) // todo если успею
 				})
 			})
+
+			// Deprecated??
+			r.Route("/transactions", func(r chi.Router) {
+				r.Get("/", s.handle(s.controllers.Transactions.List, "tx_list"))
+				r.Post("/", s.handle(s.controllers.Transactions.New, "new_tx"))
+				r.Put(
+					"/{tx_id}",
+					s.handle(s.controllers.Transactions.UpdateStatus, "update_tx_status"),
+				)
+			})
 		})
 	})
 

backend/internal/pkg/models/models.go

@@ -23,3 +23,11 @@ type MultisigConfirmation struct {
 	CreatedAt  time.Time
 	UpdatedAt  time.Time
 }
+
+type Payroll struct {
+	ID             uuid.UUID
+	Title          string
+	Address        []byte
+	OrganizationID uuid.UUID
+	MultisigID     uuid.UUID
+}

backend/internal/usecase/interactors/chain/chain.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/emochka2007/block-accounting/internal/pkg/config"
 	"github.com/emochka2007/block-accounting/internal/pkg/ctxmeta"
+	"github.com/emochka2007/block-accounting/internal/pkg/logger"
 	"github.com/emochka2007/block-accounting/internal/pkg/models"
 	"github.com/emochka2007/block-accounting/internal/usecase/repository/transactions"
 	"github.com/ethereum/go-ethereum/common"
@@ -19,10 +20,12 @@ import (
 )
 
 type ChainInteractor interface {
+	PubKey(ctx context.Context, user *models.User) ([]byte, error)
+
 	NewMultisig(ctx context.Context, params NewMultisigParams) error
 	ListMultisigs(ctx context.Context, params ListMultisigsParams) ([]models.Multisig, error)
-	PubKey(ctx context.Context, user *models.User) ([]byte, error)
-	SalaryDeploy(ctx context.Context, firtsAdmin models.OrganizationParticipant) error
+
+	PayrollDeploy(ctx context.Context, params PayrollDeployParams) error
 }
 
 type chainInteractor struct {
@@ -90,11 +93,59 @@ func (i *chainInteractor) NewMultisig(ctx context.Context, params NewMultisigPar
 		return fmt.Errorf("error fetch organization id from context. %w", err)
 	}
 
+	go func() {
+		pid := uuid.Must(uuid.NewV7()).String()
+		startTime := time.Now()
+
+		i.log.Info(
+			"new multisig worker started",
+			slog.String("pid", pid),
+		)
+
+		doneCh := make(chan struct{})
+
+		defer func() {
+			if err := recover(); err != nil {
+				i.log.Error("worker paniced!", slog.Any("panic", err))
+			}
+
+			doneCh <- struct{}{}
+			close(doneCh)
+		}()
+
+		go func() {
+			warn := time.After(1 * time.Minute)
+			select {
+			case <-doneCh:
+				i.log.Info(
+					"new multisig worker done",
+					slog.String("pid", pid),
+					slog.Time("started at", startTime),
+					slog.Time("done at", time.Now()),
+					slog.Duration("work time", time.Since(startTime)),
+				)
+			case <-warn:
+				i.log.Warn(
+					"new multisig worker seems sleeping",
+					slog.String("pid", pid),
+					slog.Duration("work time", time.Since(startTime)),
+				)
+			}
+		}()
+
+		requestContext, cancel := context.WithTimeout(context.TODO(), time.Minute*15)
+		defer cancel()
+
 		body := bytes.NewBuffer(requestBody)
 
-	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, body)
+		req, err := http.NewRequestWithContext(requestContext, http.MethodPost, endpoint, body)
 		if err != nil {
-		return fmt.Errorf("error build request. %w", err)
+			i.log.Error(
+				"error build request",
+				logger.Err(err),
+			)
+
+			return
 		}
 
 		req.Header.Add("Content-Type", "application/json")
@@ -108,24 +159,38 @@ func (i *chainInteractor) NewMultisig(ctx context.Context, params NewMultisigPar
 				slog.Any("params", params),
 			)
 
-		return fmt.Errorf("error build new multisig request. %w", err)
+			return
 		}
 
 		defer resp.Body.Close()
 
 		raw, err := io.ReadAll(resp.Body)
 		if err != nil {
-		return fmt.Errorf("error read body. %w", err)
+			i.log.Error(
+				"error read body",
+				logger.Err(err),
+			)
+
+			return
 		}
 
 		respObject := new(newMultisigChainResponse)
 
 		if err := json.Unmarshal(raw, &respObject); err != nil {
-		return fmt.Errorf("error parse chain-api response body. %w", err)
+			i.log.Error(
+				"error parse chain-api response body",
+				logger.Err(err),
+			)
+
+			return
 		}
 
 		if respObject.Address == "" {
-		return fmt.Errorf("error multisig address is empty")
+			i.log.Error(
+				"error multisig address is empty",
+			)
+
+			return
 		}
 
 		multisigAddress := common.Hex2Bytes(respObject.Address[2:])
@@ -151,9 +216,15 @@ func (i *chainInteractor) NewMultisig(ctx context.Context, params NewMultisigPar
 			slog.Any("multisig object", msg),
 		)
 
-	if err := i.txRepository.AddMultisig(ctx, msg); err != nil {
-		return fmt.Errorf("error add new multisig. %w", err)
+		if err := i.txRepository.AddMultisig(requestContext, msg); err != nil {
+			i.log.Error(
+				"error add new multisig",
+				logger.Err(err),
+			)
+
+			return
 		}
+	}()
 
 	return nil
 }
@@ -194,30 +265,131 @@ func (i *chainInteractor) PubKey(ctx context.Context, user *models.User) ([]byte
 	return common.Hex2Bytes(pubKeyStr), nil
 }
 
-func (i *chainInteractor) SalaryDeploy(ctx context.Context, firtsAdmin models.OrganizationParticipant) error {
+type PayrollDeployParams struct {
+	FirstAdmin models.OrganizationParticipant
+	MultisigID uuid.UUID
+	Title      string
+}
+
+type newPayrollContractChainResponse struct {
+	Address string `json:"address"`
+}
+
+func (i *chainInteractor) PayrollDeploy(
+	ctx context.Context,
+	params PayrollDeployParams,
+) error {
 	user, err := ctxmeta.User(ctx)
 	if err != nil {
 		return fmt.Errorf("error fetch user from context. %w", err)
 	}
 
-	if user.Id() != firtsAdmin.Id() || firtsAdmin.GetUser() == nil {
+	if user.Id() != params.FirstAdmin.Id() || params.FirstAdmin.GetUser() == nil {
 		return fmt.Errorf("error unauthorized access")
 	}
 
+	organizationID, err := ctxmeta.OrganizationId(ctx)
+	if err != nil {
+		return fmt.Errorf("error fetch organization id from context. %w", err)
+	}
+
+	multisigs, err := i.ListMultisigs(ctx, ListMultisigsParams{
+		OrganizationID: organizationID,
+		IDs:            uuid.UUIDs{params.MultisigID},
+	})
+	if err != nil {
+		return fmt.Errorf("error fetch multisigs by id. %w", err)
+	}
+
+	if len(multisigs) == 0 {
+		return fmt.Errorf("error empty multisigs set")
+	}
+
+	i.log.Debug(
+		"PayrollDeploy",
+		slog.String("organization id", organizationID.String()),
+		slog.String("multisig id", params.MultisigID.String()),
+		slog.String("multisig address", common.Bytes2Hex(multisigs[0].Address)),
+		slog.String("X-Seed header data", common.Bytes2Hex(user.Seed())),
+	)
+
+	maddr := common.Bytes2Hex(multisigs[0].Address)
+
+	if maddr == "" {
+		return fmt.Errorf("empty multisig address")
+	}
+
+	if maddr[0] != 0 && maddr[1] != 'x' {
+		maddr = "0x" + maddr
+	}
+
 	requestBody, err := json.Marshal(map[string]any{
-		"authorizedWallet": common.Bytes2Hex(user.Seed()),
+		"authorizedWallet": maddr,
 	})
 	if err != nil {
 		return fmt.Errorf("error marshal request body. %w", err)
 	}
 
+	go func() {
+		pid := uuid.Must(uuid.NewV7()).String()
+		startTime := time.Now()
+
+		i.log.Info(
+			"new paroll worker started",
+			slog.String("pid", pid),
+		)
+
+		doneCh := make(chan struct{})
+
+		defer func() {
+			if err := recover(); err != nil {
+				i.log.Error("worker paniced!", slog.Any("panic", err))
+			}
+
+			doneCh <- struct{}{}
+			close(doneCh)
+		}()
+
+		go func() {
+			warn := time.After(2 * time.Minute)
+			select {
+			case <-doneCh:
+				i.log.Info(
+					"new paroll worker done",
+					slog.String("pid", pid),
+					slog.Time("started at", startTime),
+					slog.Time("done at", time.Now()),
+					slog.Duration("work time", time.Since(startTime)),
+				)
+			case <-warn:
+				i.log.Warn(
+					"new paroll worker seems sleeping",
+					slog.String("pid", pid),
+					slog.Duration("work time", time.Since(startTime)),
+				)
+			}
+		}()
+
+		requestContext, cancel := context.WithTimeout(context.TODO(), time.Minute*20)
+		defer cancel()
+
 		body := bytes.NewBuffer(requestBody)
 
 		endpoint := i.config.ChainAPI.Host + "/salaries/deploy"
 
-	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, body)
+		i.log.Debug(
+			"request",
+			slog.String("body", string(requestBody)),
+			slog.String("endpoint", endpoint),
+		)
+
+		req, err := http.NewRequestWithContext(requestContext, http.MethodPost, endpoint, body)
 		if err != nil {
-		return fmt.Errorf("error build request. %w", err)
+			i.log.Error(
+				"error build request",
+				logger.Err(fmt.Errorf("error build request. %w", err)),
+			)
+			return
 		}
 
 		req.Header.Add("Content-Type", "application/json")
@@ -225,15 +397,71 @@ func (i *chainInteractor) SalaryDeploy(ctx context.Context, firtsAdmin models.Or
 
 		resp, err := http.DefaultClient.Do(req)
 		if err != nil {
-		return fmt.Errorf("error fetch deploy salary contract. %w", err)
+			i.log.Error(
+				"error fetch deploy salary contract",
+				logger.Err(err),
+			)
+
+			return
 		}
 
 		defer resp.Body.Close()
 
+		raw, err := io.ReadAll(resp.Body)
+		if err != nil {
+			i.log.Error(
+				"error read body",
+				logger.Err(err),
+			)
+
+			return
+		}
+
+		respObject := new(newPayrollContractChainResponse)
+
+		if err := json.Unmarshal(raw, &respObject); err != nil {
+			i.log.Error(
+				"error parse chain-api response body",
+				logger.Err(err),
+			)
+
+			return
+		}
+
+		if respObject.Address == "" {
+			i.log.Error(
+				"error multisig address is empty",
+			)
+
+			return
+		}
+
+		addr := common.Hex2Bytes(respObject.Address[2:])
+
+		createdAt := time.Now()
+
+		if err := i.txRepository.AddPayrollContract(requestContext, transactions.AddPayrollContract{
+			ID:             uuid.Must(uuid.NewV7()),
+			Title:          params.Title,
+			Address:        addr,
+			OrganizationID: organizationID,
+			MultisigID:     params.MultisigID,
+			CreatedAt:      createdAt,
+		}); err != nil {
+			i.log.Error(
+				"error add new payroll contract",
+				logger.Err(err),
+			)
+
+			return
+		}
+	}()
+
 	return nil
 }
 
 type ListMultisigsParams struct {
+	IDs            uuid.UUIDs
 	OrganizationID uuid.UUID
 }
 
@@ -242,6 +470,7 @@ func (i *chainInteractor) ListMultisigs(
 	params ListMultisigsParams,
 ) ([]models.Multisig, error) {
 	multisigs, err := i.txRepository.ListMultisig(ctx, transactions.ListMultisigsParams{
+		IDs:            params.IDs,
 		OrganizationID: params.OrganizationID,
 	})
 	if err != nil {

backend/internal/usecase/interactors/organizations/interactor.go

@@ -44,6 +44,7 @@ type ParticipantParams struct {
 	UsersOnly     bool
 	ActiveOnly    bool
 	EmployeesOnly bool
+	OwnerOnly     bool
 }
 
 type ParticipantsParams struct {
@@ -54,6 +55,7 @@ type ParticipantsParams struct {
 	UsersOnly     bool
 	ActiveOnly    bool
 	EmployeesOnly bool
+	OwnerOnly     bool
 }
 
 type OrganizationsInteractor interface {

backend/internal/usecase/interactors/transactions/interactor.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/emochka2007/block-accounting/internal/pkg/ctxmeta"
 	"github.com/emochka2007/block-accounting/internal/pkg/models"
+	"github.com/emochka2007/block-accounting/internal/usecase/interactors/chain"
 	"github.com/emochka2007/block-accounting/internal/usecase/interactors/organizations"
 	"github.com/emochka2007/block-accounting/internal/usecase/repository/transactions"
 	"github.com/google/uuid"
@@ -62,17 +63,20 @@ type transactionsInteractor struct {
 	log             *slog.Logger
 	txRepo          transactions.Repository
 	orgInteractor   organizations.OrganizationsInteractor
+	chainInteractor chain.ChainInteractor
 }
 
 func NewTransactionsInteractor(
 	log *slog.Logger,
 	txRepo transactions.Repository,
 	orgInteractor organizations.OrganizationsInteractor,
+	chainInteractor chain.ChainInteractor,
 ) TransactionsInteractor {
 	return &transactionsInteractor{
 		log:             log,
 		txRepo:          txRepo,
 		orgInteractor:   orgInteractor,
+		chainInteractor: chainInteractor,
 	}
 }
 
@@ -224,6 +228,8 @@ func (i *transactionsInteractor) Confirm(ctx context.Context, params ConfirmPara
 		return nil, fmt.Errorf("error confirm transaction. %w", err)
 	}
 
+	// TODO confirm tx via chain-api
+
 	tx, err := i.txRepo.GetTransactions(ctx, transactions.GetTransactionsParams{
 		Ids:            uuid.UUIDs{params.TxID},
 		OrganizationId: params.OrganizationID,
@@ -240,6 +246,8 @@ func (i *transactionsInteractor) Confirm(ctx context.Context, params ConfirmPara
 	return tx[0], nil
 }
 
+// TODO Execute()
+
 func (i *transactionsInteractor) Cancel(ctx context.Context, params CancelParams) (*models.Transaction, error) {
 	user, err := ctxmeta.User(ctx)
 	if err != nil {

backend/internal/usecase/repository/transactions/repository.go

@@ -54,6 +54,9 @@ type Repository interface {
 
 	AddMultisig(ctx context.Context, multisig models.Multisig) error
 	ListMultisig(ctx context.Context, params ListMultisigsParams) ([]models.Multisig, error)
+	ConfirmMultisig(ctx context.Context, params ConfirmMultisigParams) error
+
+	AddPayrollContract(ctx context.Context, params AddPayrollContract) error
 }
 
 type repositorySQL struct {
@@ -478,6 +481,12 @@ func (r *repositorySQL) ListMultisig(
 			"organization_id": params.OrganizationID,
 		}).PlaceholderFormat(sq.Dollar)
 
+		if len(params.IDs) > 0 {
+			query = query.Where(sq.Eq{
+				"id": params.IDs,
+			})
+		}
+
 		rows, err := query.RunWith(r.Conn(ctx)).QueryContext(ctx)
 		if err != nil {
 			return fmt.Errorf("error fetch multisigs from database. %w", err)
@@ -543,6 +552,94 @@ func (r *repositorySQL) ListMultisig(
 	return msgs, nil
 }
 
+type ConfirmMultisigParams struct {
+	MultisigID      uuid.UUID
+	OrganizationsID uuid.UUID
+	CinfirmedBy     *models.OrganizationUser
+	ConfirmedAt     time.Time
+}
+
+func (r *repositorySQL) ConfirmMultisig(ctx context.Context, params ConfirmMultisigParams) error {
+	return sqltools.Transaction(ctx, r.db, func(ctx context.Context) error {
+		deleteOldQuery := sq.Delete("multisig_confirmations").
+			Where(sq.Eq{
+				"multisig_id": params.MultisigID,
+				"owner_id":    params.CinfirmedBy.Id(),
+			}).
+			PlaceholderFormat(sq.Dollar)
+
+		if _, err := deleteOldQuery.RunWith(r.Conn(ctx)).ExecContext(ctx); err != nil {
+			return fmt.Errorf("error delete old multisig confirmation. %w", err)
+		}
+
+		query := sq.Insert("multisig_confirmations").
+			Columns(
+				"multisig_id",
+				"owner_id",
+				"created_at",
+			).
+			Values(
+				params.MultisigID,
+				params.CinfirmedBy.Id(),
+				params.ConfirmedAt,
+			).
+			PlaceholderFormat(sq.Dollar)
+
+		if _, err := query.RunWith(r.Conn(ctx)).ExecContext(ctx); err != nil {
+			return fmt.Errorf("error add multisig confirmation. %w", err)
+		}
+
+		return nil
+	})
+}
+
+type AddPayrollContract struct {
+	ID             uuid.UUID
+	Title          string
+	Description    string
+	Address        []byte
+	Payload        []byte
+	OrganizationID uuid.UUID
+	MultisigID     uuid.UUID
+	CreatedAt      time.Time
+}
+
+func (r *repositorySQL) AddPayrollContract(
+	ctx context.Context,
+	params AddPayrollContract,
+) error {
+	return sqltools.Transaction(ctx, r.db, func(ctx context.Context) error {
+		query := sq.Insert("payrolls").
+			Columns(
+				"id",
+				"title",
+				"description",
+				"address",
+				"payload",
+				"organization_id",
+				"multisig_id",
+				"created_at",
+			).
+			Values(
+				params.ID,
+				params.Title,
+				params.Description,
+				params.Address,
+				params.Payload,
+				params.OrganizationID,
+				params.MultisigID,
+				params.CreatedAt,
+			).
+			PlaceholderFormat(sq.Dollar)
+
+		if _, err := query.RunWith(r.Conn(ctx)).ExecContext(ctx); err != nil {
+			return fmt.Errorf("error add new payroll contract. %w", err)
+		}
+
+		return nil
+	})
+}
+
 type fetchOwnersParams struct {
 	MultisigID     uuid.UUID
 	OrganizationID uuid.UUID

backend/migrations/blockd.sql

@@ -99,7 +99,7 @@ create table if not exists transactions (
         amount decimal default 0,
 
         to_addr bytea not null,
-        tx_index bytea default null,
+        tx_index bigint default 0,
 
         max_fee_allowed decimal default 0, 
         deadline timestamp default null,
@@ -193,6 +193,9 @@ create index if not exists  idx_multisig_confirmations_owners_multisig_id
 create index if not exists  idx_multisig_confirmations_owners_owner_id
         on multisig_confirmations (owner_id);
 
+create index if not exists  idx_multisig_confirmations_owners_multisig_id_owner_id
+        on multisig_confirmations (multisig_id, owner_id);
+
 create table invites (
         link_hash varchar(64) primary key, 
         organization_id uuid, 
@@ -201,3 +204,18 @@ create table invites (
         expired_at timestamp default null,
         used_at timestamp default null
 );
+
+create table payrolls (
+        id uuid primary key, 
+        title varchar(250) default 'New Payroll', 
+        description text not null, 
+        address bytea not null, 
+        payload bytea default null,
+        organization_id uuid not null references organizations(id), 
+        tx_index bytea default null,
+        multisig_id uuid references multisigs(id),
+        created_at timestamp default current_timestamp,
+        updated_at timestamp default current_timestamp
+);
+
+create table payrolls