[#478] morph/client: Add more global config value getters

Including:
- typo fix for `BasicIncomeRate` method
- epoch duration getter,
- container fee getter,
- EigenTrust iterations getter.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

pkg/innerring/config/config.go

@@ -35,7 +35,7 @@ func (c *GlobalConfig) BasicIncomeRate() (uint64, error) {
 		return value, nil
 	}
 
-	return c.nm.BasinIncomeRate()
+	return c.nm.BasicIncomeRate()
 }
 
 func (c *GlobalConfig) AuditFee() (uint64, error) {

pkg/morph/client/netmap/wrapper/config.go

@@ -8,7 +8,10 @@ import (
 const (
 	maxObjectSizeConfig   = "MaxObjectSize"
 	basicIncomeRateConfig = "BasicIncomeRate"
-	auditFee              = "AuditFee"
+	auditFeeConfig        = "AuditFee"
+	epochDurationConfig   = "EpochDuration"
+	containerFeeConfig    = "ContainerFee"
+	etIterationsConfig    = "EigenTrustIterations"
 )
 
 // MaxObjectSize receives max object size configuration
@@ -24,7 +27,7 @@ func (w *Wrapper) MaxObjectSize() (uint64, error) {
 
 // BasicIncomeRate returns basic income rate configuration value from network
 // config in netmap contract.
-func (w *Wrapper) BasinIncomeRate() (uint64, error) {
+func (w *Wrapper) BasicIncomeRate() (uint64, error) {
 	rate, err := w.readUInt64Config(basicIncomeRateConfig)
 	if err != nil {
 		return 0, errors.Wrapf(err, "(%T) could not get basic income rate", w)
@@ -36,7 +39,7 @@ func (w *Wrapper) BasinIncomeRate() (uint64, error) {
 // AuditFee returns audit fee configuration value from network
 // config in netmap contract.
 func (w *Wrapper) AuditFee() (uint64, error) {
-	fee, err := w.readUInt64Config(auditFee)
+	fee, err := w.readUInt64Config(auditFeeConfig)
 	if err != nil {
 		return 0, errors.Wrapf(err, "(%T) could not get audit fee", w)
 	}
@@ -44,6 +47,38 @@ func (w *Wrapper) AuditFee() (uint64, error) {
 	return fee, nil
 }
 
+// EpochDuration returns number of sidechain blocks per one NeoFS epoch.
+func (w *Wrapper) EpochDuration() (uint64, error) {
+	epochDuration, err := w.readUInt64Config(epochDurationConfig)
+	if err != nil {
+		return 0, errors.Wrapf(err, "(%T) could not get epoch duration", w)
+	}
+
+	return epochDuration, nil
+}
+
+// ContainerFee returns fee paid by container owner to each alphabet node
+// for container registration.
+func (w *Wrapper) ContainerFee() (uint64, error) {
+	fee, err := w.readUInt64Config(containerFeeConfig)
+	if err != nil {
+		return 0, errors.Wrapf(err, "(%T) could not get container fee", w)
+	}
+
+	return fee, nil
+}
+
+// EigenTrustIterations returns global configuration value of iteration cycles
+// for EigenTrust algorithm per epoch.
+func (w *Wrapper) EigenTrustIterations() (uint64, error) {
+	iterations, err := w.readUInt64Config(etIterationsConfig)
+	if err != nil {
+		return 0, errors.Wrapf(err, "(%T) could not get eigen trust iterations", w)
+	}
+
+	return iterations, nil
+}
+
 func (w *Wrapper) readUInt64Config(key string) (uint64, error) {
 	args := netmap.ConfigArgs{}
 	args.SetKey([]byte(key))