e5748bfc96
IR tries to keep 1:3 proportion of GAS and notary balances respectively. If that proportion has been messed(means that notary balance is lower than required) it sends half of its GAS balance to the notary service. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
113 lines
2.6 KiB
Go
113 lines
2.6 KiB
Go
package innerring
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import (
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"context"
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/spf13/viper"
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)
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type (
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notaryConfig struct {
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duration uint32 // lifetime of notary deposit in blocks
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disabled bool // true if notary disabled on chain
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}
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)
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const (
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// gasMultiplier defines how many times more the notary
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// balance must be compared to the GAS balance of the IR:
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// notaryBalance = GASBalance * gasMultiplier
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gasMultiplier = 3
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// gasDivisor defines what part of GAS balance (1/gasDivisor)
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// should be transferred to the notary service
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gasDivisor = 2
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)
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func (s *Server) depositMainNotary() (tx util.Uint256, err error) {
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depositAmount, err := client.CalculateNotaryDepositAmount(s.mainnetClient, gasMultiplier, gasDivisor)
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if err != nil {
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return util.Uint256{}, fmt.Errorf("could not calculate main notary deposit amount: %w", err)
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}
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return s.mainnetClient.DepositNotary(
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depositAmount,
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uint32(s.epochDuration.Load())+notaryExtraBlocks,
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)
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}
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func (s *Server) depositSideNotary() (tx util.Uint256, err error) {
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depositAmount, err := client.CalculateNotaryDepositAmount(s.morphClient, gasMultiplier, gasDivisor)
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if err != nil {
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return util.Uint256{}, fmt.Errorf("could not calculate side notary deposit amount: %w", err)
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}
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return s.morphClient.DepositNotary(
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depositAmount,
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uint32(s.epochDuration.Load())+notaryExtraBlocks,
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)
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}
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func (s *Server) awaitMainNotaryDeposit(ctx context.Context, tx util.Uint256) error {
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return awaitNotaryDepositInClient(ctx, s.mainnetClient, tx)
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}
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func (s *Server) awaitSideNotaryDeposit(ctx context.Context, tx util.Uint256) error {
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return awaitNotaryDepositInClient(ctx, s.morphClient, tx)
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}
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func (s *Server) initNotary(ctx context.Context, deposit depositor, await awaiter, msg string) error {
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tx, err := deposit()
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if err != nil {
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return err
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}
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s.log.Info(msg)
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return await(ctx, tx)
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}
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func awaitNotaryDepositInClient(ctx context.Context, cli *client.Client, txHash util.Uint256) error {
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for i := 0; i < notaryDepositTimeout; i++ {
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select {
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case <-ctx.Done():
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return nil
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default:
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}
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ok, err := cli.TxHalt(txHash)
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if err == nil {
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if ok {
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return nil
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}
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return errDepositFail
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}
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_ = cli.Wait(ctx, 1)
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}
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return errDepositTimeout
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}
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func parseNotaryConfigs(cfg *viper.Viper, withSideNotary, withMainNotary bool) (main, side *notaryConfig) {
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main = new(notaryConfig)
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side = new(notaryConfig)
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if !withSideNotary {
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main.disabled = true
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side.disabled = true
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return
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}
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main.disabled = !withMainNotary
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main.duration = cfg.GetUint32("timers.main_notary")
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side.duration = cfg.GetUint32("timers.side_notary")
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return
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}
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