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backend.go
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backend.go
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package v2
import (
"fmt"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/permission/core"
ptype "github.com/ethereum/go-ethereum/permission/core/types"
eb "github.com/ethereum/go-ethereum/permission/v2/bind"
)
type Backend struct {
Ib ptype.InterfaceBackend
Contr *Init
}
func (b *Backend) ManageAccountPermissions() error {
chAccessModified := make(chan *eb.AcctManagerAccountAccessModified)
chAccessRevoked := make(chan *eb.AcctManagerAccountAccessRevoked)
chStatusChanged := make(chan *eb.AcctManagerAccountStatusChanged)
opts := &bind.WatchOpts{}
var blockNumber uint64 = 1
opts.Start = &blockNumber
if _, err := b.Contr.PermAcct.AcctManagerFilterer.WatchAccountAccessModified(opts, chAccessModified); err != nil {
return fmt.Errorf("failed AccountAccessModified: %v", err)
}
if _, err := b.Contr.PermAcct.AcctManagerFilterer.WatchAccountAccessRevoked(opts, chAccessRevoked); err != nil {
return fmt.Errorf("failed AccountAccessRevoked: %v", err)
}
if _, err := b.Contr.PermAcct.AcctManagerFilterer.WatchAccountStatusChanged(opts, chStatusChanged); err != nil {
return fmt.Errorf("failed AccountStatusChanged: %v", err)
}
go func() {
stopChan, stopSubscription := ptype.SubscribeStopEvent()
defer stopSubscription.Unsubscribe()
for {
select {
case evtAccessModified := <-chAccessModified:
core.AcctInfoMap.UpsertAccount(evtAccessModified.OrgId, evtAccessModified.RoleId, evtAccessModified.Account, evtAccessModified.OrgAdmin, core.AcctStatus(int(evtAccessModified.Status.Uint64())))
case evtAccessRevoked := <-chAccessRevoked:
core.AcctInfoMap.UpsertAccount(evtAccessRevoked.OrgId, evtAccessRevoked.RoleId, evtAccessRevoked.Account, evtAccessRevoked.OrgAdmin, core.AcctActive)
case evtStatusChanged := <-chStatusChanged:
if ac, err := core.AcctInfoMap.GetAccount(evtStatusChanged.Account); ac != nil {
core.AcctInfoMap.UpsertAccount(evtStatusChanged.OrgId, ac.RoleId, evtStatusChanged.Account, ac.IsOrgAdmin, core.AcctStatus(int(evtStatusChanged.Status.Uint64())))
} else {
log.Info("error fetching account information", "err", err)
}
case <-stopChan:
log.Info("quit account contract watch")
return
}
}
}()
return nil
}
func (b *Backend) ManageRolePermissions() error {
chRoleCreated := make(chan *eb.RoleManagerRoleCreated, 1)
chRoleRevoked := make(chan *eb.RoleManagerRoleRevoked, 1)
opts := &bind.WatchOpts{}
var blockNumber uint64 = 1
opts.Start = &blockNumber
if _, err := b.Contr.PermRole.RoleManagerFilterer.WatchRoleCreated(opts, chRoleCreated); err != nil {
return fmt.Errorf("failed WatchRoleCreated: %v", err)
}
if _, err := b.Contr.PermRole.RoleManagerFilterer.WatchRoleRevoked(opts, chRoleRevoked); err != nil {
return fmt.Errorf("failed WatchRoleRevoked: %v", err)
}
go func() {
stopChan, stopSubscription := ptype.SubscribeStopEvent()
defer stopSubscription.Unsubscribe()
for {
select {
case evtRoleCreated := <-chRoleCreated:
core.RoleInfoMap.UpsertRole(evtRoleCreated.OrgId, evtRoleCreated.RoleId, evtRoleCreated.IsVoter, evtRoleCreated.IsAdmin, core.AccessType(int(evtRoleCreated.BaseAccess.Uint64())), true)
case evtRoleRevoked := <-chRoleRevoked:
if r, _ := core.RoleInfoMap.GetRole(evtRoleRevoked.OrgId, evtRoleRevoked.RoleId); r != nil {
core.RoleInfoMap.UpsertRole(evtRoleRevoked.OrgId, evtRoleRevoked.RoleId, r.IsVoter, r.IsAdmin, r.Access, false)
} else {
log.Error("Revoke role - cache is missing role", "org", evtRoleRevoked.OrgId, "role", evtRoleRevoked.RoleId)
}
case <-stopChan:
log.Info("quit role contract watch")
return
}
}
}()
return nil
}
func (b *Backend) ManageOrgPermissions() error {
chPendingApproval := make(chan *eb.OrgManagerOrgPendingApproval, 1)
chOrgApproved := make(chan *eb.OrgManagerOrgApproved, 1)
chOrgSuspended := make(chan *eb.OrgManagerOrgSuspended, 1)
chOrgReactivated := make(chan *eb.OrgManagerOrgSuspensionRevoked, 1)
opts := &bind.WatchOpts{}
var blockNumber uint64 = 1
opts.Start = &blockNumber
if _, err := b.Contr.PermOrg.OrgManagerFilterer.WatchOrgPendingApproval(opts, chPendingApproval); err != nil {
return fmt.Errorf("failed WatchOrgPendingApproval: %v", err)
}
if _, err := b.Contr.PermOrg.OrgManagerFilterer.WatchOrgApproved(opts, chOrgApproved); err != nil {
return fmt.Errorf("failed WatchOrgApproved: %v", err)
}
if _, err := b.Contr.PermOrg.OrgManagerFilterer.WatchOrgSuspended(opts, chOrgSuspended); err != nil {
return fmt.Errorf("failed WatchOrgSuspended: %v", err)
}
if _, err := b.Contr.PermOrg.OrgManagerFilterer.WatchOrgSuspensionRevoked(opts, chOrgReactivated); err != nil {
return fmt.Errorf("failed WatchOrgSuspensionRevoked: %v", err)
}
go func() {
stopChan, stopSubscription := ptype.SubscribeStopEvent()
defer stopSubscription.Unsubscribe()
for {
select {
case evtPendingApproval := <-chPendingApproval:
core.OrgInfoMap.UpsertOrg(evtPendingApproval.OrgId, evtPendingApproval.PorgId, evtPendingApproval.UltParent, evtPendingApproval.Level, core.OrgStatus(evtPendingApproval.Status.Uint64()))
case evtOrgApproved := <-chOrgApproved:
core.OrgInfoMap.UpsertOrg(evtOrgApproved.OrgId, evtOrgApproved.PorgId, evtOrgApproved.UltParent, evtOrgApproved.Level, core.OrgApproved)
case evtOrgSuspended := <-chOrgSuspended:
core.OrgInfoMap.UpsertOrg(evtOrgSuspended.OrgId, evtOrgSuspended.PorgId, evtOrgSuspended.UltParent, evtOrgSuspended.Level, core.OrgSuspended)
case evtOrgReactivated := <-chOrgReactivated:
core.OrgInfoMap.UpsertOrg(evtOrgReactivated.OrgId, evtOrgReactivated.PorgId, evtOrgReactivated.UltParent, evtOrgReactivated.Level, core.OrgApproved)
case <-stopChan:
log.Info("quit org contract watch")
return
}
}
}()
return nil
}
func (b *Backend) ManageNodePermissions() error {
chNodeApproved := make(chan *eb.NodeManagerNodeApproved, 1)
chNodeProposed := make(chan *eb.NodeManagerNodeProposed, 1)
chNodeDeactivated := make(chan *eb.NodeManagerNodeDeactivated, 1)
chNodeActivated := make(chan *eb.NodeManagerNodeActivated, 1)
chNodeBlacklisted := make(chan *eb.NodeManagerNodeBlacklisted)
chNodeRecoveryInit := make(chan *eb.NodeManagerNodeRecoveryInitiated, 1)
chNodeRecoveryDone := make(chan *eb.NodeManagerNodeRecoveryCompleted, 1)
opts := &bind.WatchOpts{}
var blockNumber uint64 = 1
opts.Start = &blockNumber
if _, err := b.Contr.PermNode.NodeManagerFilterer.WatchNodeApproved(opts, chNodeApproved); err != nil {
return fmt.Errorf("failed WatchNodeApproved: %v", err)
}
if _, err := b.Contr.PermNode.NodeManagerFilterer.WatchNodeProposed(opts, chNodeProposed); err != nil {
return fmt.Errorf("failed WatchNodeProposed: %v", err)
}
if _, err := b.Contr.PermNode.NodeManagerFilterer.WatchNodeDeactivated(opts, chNodeDeactivated); err != nil {
return fmt.Errorf("failed NodeDeactivated: %v", err)
}
if _, err := b.Contr.PermNode.NodeManagerFilterer.WatchNodeActivated(opts, chNodeActivated); err != nil {
return fmt.Errorf("failed WatchNodeActivated: %v", err)
}
if _, err := b.Contr.PermNode.NodeManagerFilterer.WatchNodeBlacklisted(opts, chNodeBlacklisted); err != nil {
return fmt.Errorf("failed NodeBlacklisting: %v", err)
}
if _, err := b.Contr.PermNode.NodeManagerFilterer.WatchNodeRecoveryInitiated(opts, chNodeRecoveryInit); err != nil {
return fmt.Errorf("failed NodeRecoveryInitiated: %v", err)
}
if _, err := b.Contr.PermNode.NodeManagerFilterer.WatchNodeRecoveryCompleted(opts, chNodeRecoveryDone); err != nil {
return fmt.Errorf("failed NodeRecoveryCompleted: %v", err)
}
go func() {
stopChan, stopSubscription := ptype.SubscribeStopEvent()
defer stopSubscription.Unsubscribe()
for {
select {
case evtNodeApproved := <-chNodeApproved:
enodeId := core.GetNodeUrl(evtNodeApproved.EnodeId, evtNodeApproved.Ip[:], evtNodeApproved.Port, evtNodeApproved.Raftport, b.Ib.IsRaft())
err := ptype.UpdatePermissionedNodes(b.Ib.Node(), b.Ib.DataDir(), enodeId, ptype.NodeAdd, b.Ib.IsRaft())
if err != nil {
log.Error("error updating permissioned-nodes.json", "err", err)
}
core.NodeInfoMap.UpsertNode(evtNodeApproved.OrgId, enodeId, core.NodeApproved)
case evtNodeProposed := <-chNodeProposed:
enodeId := core.GetNodeUrl(evtNodeProposed.EnodeId, evtNodeProposed.Ip[:], evtNodeProposed.Port, evtNodeProposed.Raftport, b.Ib.IsRaft())
core.NodeInfoMap.UpsertNode(evtNodeProposed.OrgId, enodeId, core.NodePendingApproval)
case evtNodeDeactivated := <-chNodeDeactivated:
enodeId := core.GetNodeUrl(evtNodeDeactivated.EnodeId, evtNodeDeactivated.Ip[:], evtNodeDeactivated.Port, evtNodeDeactivated.Raftport, b.Ib.IsRaft())
err := ptype.UpdatePermissionedNodes(b.Ib.Node(), b.Ib.DataDir(), enodeId, ptype.NodeDelete, b.Ib.IsRaft())
if err != nil {
log.Error("error updating permissioned-nodes.json", "err", err)
}
core.NodeInfoMap.UpsertNode(evtNodeDeactivated.OrgId, enodeId, core.NodeDeactivated)
case evtNodeActivated := <-chNodeActivated:
enodeId := core.GetNodeUrl(evtNodeActivated.EnodeId, evtNodeActivated.Ip[:], evtNodeActivated.Port, evtNodeActivated.Raftport, b.Ib.IsRaft())
err := ptype.UpdatePermissionedNodes(b.Ib.Node(), b.Ib.DataDir(), enodeId, ptype.NodeAdd, b.Ib.IsRaft())
if err != nil {
log.Error("error updating permissioned-nodes.json", "err", err)
}
core.NodeInfoMap.UpsertNode(evtNodeActivated.OrgId, enodeId, core.NodeApproved)
case evtNodeBlacklisted := <-chNodeBlacklisted:
enodeId := core.GetNodeUrl(evtNodeBlacklisted.EnodeId, evtNodeBlacklisted.Ip[:], evtNodeBlacklisted.Port, evtNodeBlacklisted.Raftport, b.Ib.IsRaft())
core.NodeInfoMap.UpsertNode(evtNodeBlacklisted.OrgId, enodeId, core.NodeBlackListed)
err := ptype.UpdateDisallowedNodes(b.Ib.DataDir(), enodeId, ptype.NodeAdd)
log.Error("error updating disallowed-nodes.json", "err", err)
err = ptype.UpdatePermissionedNodes(b.Ib.Node(), b.Ib.DataDir(), enodeId, ptype.NodeDelete, b.Ib.IsRaft())
if err != nil {
log.Error("error updating permissioned-nodes.json", "err", err)
}
case evtNodeRecoveryInit := <-chNodeRecoveryInit:
enodeId := core.GetNodeUrl(evtNodeRecoveryInit.EnodeId, evtNodeRecoveryInit.Ip[:], evtNodeRecoveryInit.Port, evtNodeRecoveryInit.Raftport, b.Ib.IsRaft())
core.NodeInfoMap.UpsertNode(evtNodeRecoveryInit.OrgId, enodeId, core.NodeRecoveryInitiated)
case evtNodeRecoveryDone := <-chNodeRecoveryDone:
enodeId := core.GetNodeUrl(evtNodeRecoveryDone.EnodeId, evtNodeRecoveryDone.Ip[:], evtNodeRecoveryDone.Port, evtNodeRecoveryDone.Raftport, b.Ib.IsRaft())
core.NodeInfoMap.UpsertNode(evtNodeRecoveryDone.OrgId, enodeId, core.NodeApproved)
err := ptype.UpdateDisallowedNodes(b.Ib.DataDir(), enodeId, ptype.NodeDelete)
log.Error("error updating disallowed-nodes.json", "err", err)
err = ptype.UpdatePermissionedNodes(b.Ib.Node(), b.Ib.DataDir(), enodeId, ptype.NodeAdd, b.Ib.IsRaft())
if err != nil {
log.Error("error updating permissioned-nodes.json", "err", err)
}
case <-stopChan:
log.Info("quit Node contract watch")
return
}
}
}()
return nil
}
func (b *Backend) MonitorNetworkBootUp() error {
return nil
}
func getBackend(contractBackend ptype.ContractBackend) (*PermissionModelV2, error) {
backend := PermissionModelV2{ContractBackend: contractBackend}
ps, err := getInterfaceContractSession(backend.PermInterf, contractBackend.PermConfig.InterfAddress, contractBackend.EthClnt)
if err != nil {
return nil, err
}
backend.PermInterfSession = ps
return &backend, nil
}
func getBackendWithTransactOpts(contractBackend ptype.ContractBackend, transactOpts *bind.TransactOpts) (*PermissionModelV2, error) {
backend, err := getBackend(contractBackend)
if err != nil {
return nil, err
}
backend.PermInterfSession.TransactOpts = *transactOpts
return backend, nil
}
func getInterfaceContractSession(permInterfaceInstance *eb.PermInterface, contractAddress common.Address, backend bind.ContractBackend) (*eb.PermInterfaceSession, error) {
if err := ptype.BindContract(&permInterfaceInstance, func() (interface{}, error) { return eb.NewPermInterface(contractAddress, backend) }); err != nil {
return nil, err
}
ps := &eb.PermInterfaceSession{
Contract: permInterfaceInstance,
CallOpts: bind.CallOpts{
Pending: true,
},
}
return ps, nil
}
func (b *Backend) GetRoleService(transactOpts *bind.TransactOpts, roleBackend ptype.ContractBackend) (ptype.RoleService, error) {
backEnd, err := getBackendWithTransactOpts(roleBackend, transactOpts)
if err != nil {
return nil, err
}
return &Role{Backend: backEnd}, nil
}
func (b *Backend) GetOrgService(transactOpts *bind.TransactOpts, orgBackend ptype.ContractBackend) (ptype.OrgService, error) {
backEnd, err := getBackendWithTransactOpts(orgBackend, transactOpts)
if err != nil {
return nil, err
}
return &Org{Backend: backEnd}, nil
}
func (b *Backend) GetNodeService(transactOpts *bind.TransactOpts, nodeBackend ptype.ContractBackend) (ptype.NodeService, error) {
backEnd, err := getBackendWithTransactOpts(nodeBackend, transactOpts)
if err != nil {
return nil, err
}
return &Node{Backend: backEnd}, nil
}
func (b *Backend) GetAccountService(transactOpts *bind.TransactOpts, accountBackend ptype.ContractBackend) (ptype.AccountService, error) {
backEnd, err := getBackendWithTransactOpts(accountBackend, transactOpts)
if err != nil {
return nil, err
}
return &Account{Backend: backEnd}, nil
}
func (b *Backend) GetAuditService(auditBackend ptype.ContractBackend) (ptype.AuditService, error) {
backEnd, err := getBackend(auditBackend)
if err != nil {
return nil, err
}
return &Audit{Backend: backEnd}, nil
}
func (b *Backend) GetControlService(controlBackend ptype.ContractBackend) (ptype.ControlService, error) {
backEnd, err := getBackend(controlBackend)
if err != nil {
return nil, err
}
return &Control{Backend: backEnd}, nil
}