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Diffstat (limited to 'simulation/governance.go')
-rw-r--r-- | simulation/governance.go | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/simulation/governance.go b/simulation/governance.go new file mode 100644 index 0000000..7e3f6f2 --- /dev/null +++ b/simulation/governance.go @@ -0,0 +1,99 @@ +// Copyright 2018 The dexon-consensus-core Authors +// This file is part of the dexon-consensus-core library. +// +// The dexon-consensus-core library is free software: you can redistribute it +// and/or modify it under the terms of the GNU Lesser General Public License as +// published by the Free Software Foundation, either version 3 of the License, +// or (at your option) any later version. +// +// The dexon-consensus-core library is distributed in the hope that it will be +// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser +// General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the dexon-consensus-core library. If not, see +// <http://www.gnu.org/licenses/>. + +package simulation + +import ( + "fmt" + "sync" + + "github.com/dexon-foundation/dexon-consensus-core/core/types" + "github.com/dexon-foundation/dexon-consensus-core/simulation/config" + "github.com/shopspring/decimal" +) + +// simGovernance is a simulated governance contract implementing the +// core.Governance interface. +type simGovernance struct { + lock sync.RWMutex + validatorSet map[types.ValidatorID]decimal.Decimal + expectedNumValidators int + k int + phiRatio float32 +} + +// newSimGovernance returns a new simGovernance instance. +func newSimGovernance( + numValidators int, consensusConfig config.Consensus) *simGovernance { + return &simGovernance{ + validatorSet: make(map[types.ValidatorID]decimal.Decimal), + expectedNumValidators: numValidators, + k: consensusConfig.K, + phiRatio: consensusConfig.PhiRatio, + } +} + +// GetValidatorSet returns the validator set. +func (g *simGovernance) GetValidatorSet() ( + ret map[types.ValidatorID]decimal.Decimal) { + + g.lock.RLock() + defer g.lock.RUnlock() + + // Return the cloned validatorSet. + ret = make(map[types.ValidatorID]decimal.Decimal) + for k, v := range g.validatorSet { + ret[k] = v + } + return +} + +// GetTotalOrderingK returns K. +func (g *simGovernance) GetTotalOrderingK() int { + return g.k +} + +// GetTotalOrderingK returns PhiRatio. +func (g *simGovernance) GetPhiRatio() float32 { + return g.phiRatio +} + +// GetBlockProposingInterval returns block proposing interval. +func (g *simGovernance) GetBlockProposingInterval() int { + return 0 +} + +// GetConfigurationChangeEvent returns configuration change event since last +// epoch. +func (g *simGovernance) GetConfigurationChangeEvent( + epoch int) []types.ConfigurationChangeEvent { + return nil +} + +// addValidator add a new validator into the simulated governance contract. +func (g *simGovernance) addValidator(vID types.ValidatorID) { + g.lock.Lock() + defer g.lock.Unlock() + + if _, exists := g.validatorSet[vID]; exists { + return + } + if len(g.validatorSet) == g.expectedNumValidators { + panic(fmt.Errorf("attempt to add validator when ready")) + } + g.validatorSet[vID] = decimal.NewFromFloat(0) +} |