neo-go/pkg/config/protocol_config.go

136 lines
4.7 KiB
Go

package config
import (
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/util"
)
const (
// ModeMainNet contains magic code used in the NEO main official network.
ModeMainNet NetMode = 0x00746e41 // 7630401
// ModeTestNet contains magic code used in the NEO testing network.
ModeTestNet NetMode = 0x74746e41 // 1953787457
// ModePrivNet contains magic code usually used for NEO private networks.
ModePrivNet NetMode = 56753 // docker privnet
// ModeUnitTestNet is a stub magic code used for testing purposes.
ModeUnitTestNet NetMode = 0
)
// ProtocolConfiguration represents the protocol config.
type (
ProtocolConfiguration struct {
AddressVersion byte `yaml:"AddressVersion"`
// EnableStateRoot specifies if exchange of state roots should be enabled.
EnableStateRoot bool `yaml:"EnableStateRoot"`
// FeePerExtraByte sets the expected per-byte fee for
// transactions exceeding the MaxFreeTransactionSize.
FeePerExtraByte float64 `yaml:"FeePerExtraByte"`
// FreeGasLimit is an amount of GAS which can be spent for free.
// It can change over time, thus it's a map of block height to the
// respective GAS limit.
FreeGasLimit map[uint32]util.Fixed8 `yaml:"FreeGasLimit"`
LowPriorityThreshold float64 `yaml:"LowPriorityThreshold"`
Magic NetMode `yaml:"Magic"`
// Maximum number of transactions allowed to be packed into block.
MaxTransactionsPerBlock map[uint32]int `yaml:"MaxTransactionsPerBlock"`
// Maximum size of low priority transaction in bytes.
MaxFreeTransactionSize int `yaml:"MaxFreeTransactionSize"`
// Maximum number of low priority transactions accepted into block.
MaxFreeTransactionsPerBlock map[uint32]int `yaml:"MaxFreeTransactionsPerBlock"`
// MinimumNetworkFee sets the minimum required network fee for transaction to pass validation.
MinimumNetworkFee util.Fixed8 `yaml:"MinimumNetworkFee"`
MemPoolSize int `yaml:"MemPoolSize"`
// SaveStorageBatch enables storage batch saving before every persist.
SaveStorageBatch bool `yaml:"SaveStorageBatch"`
SecondsPerBlock int `yaml:"SecondsPerBlock"`
SeedList []string `yaml:"SeedList"`
StandbyValidators []string `yaml:"StandbyValidators"`
// StateRootEnableIndex specifies starting height for state root calculations and exchange.
StateRootEnableIndex uint32 `yaml:"StateRootEnableIndex"`
SystemFee SystemFee `yaml:"SystemFee"`
// Whether to verify received blocks.
VerifyBlocks bool `yaml:"VerifyBlocks"`
// Whether to verify transactions in received blocks.
VerifyTransactions bool `yaml:"VerifyTransactions"`
}
// SystemFee fees related to system.
SystemFee struct {
EnrollmentTransaction int64 `yaml:"EnrollmentTransaction"`
IssueTransaction int64 `yaml:"IssueTransaction"`
PublishTransaction int64 `yaml:"PublishTransaction"`
RegisterTransaction int64 `yaml:"RegisterTransaction"`
}
// NetMode describes the mode the blockchain will operate on.
NetMode uint32
)
// GetFreeGas returns FreeGasLimit value for given block height.
func (p *ProtocolConfiguration) GetFreeGas(block uint32) util.Fixed8 {
var gas util.Fixed8
var height uint32
for h, g := range p.FreeGasLimit {
if h > block || h < height {
continue
}
gas = g
height = h
}
return gas
}
func getIntFromMap(m map[uint32]int, block uint32) int {
var res int
var height uint32
for h, i := range m {
if h > block || h < height || i < 0 {
continue
}
res = i
height = h
}
return res
}
// GetMaxTxPerBlock returns MaxTransactionsPerBlock value for given block height.
func (p *ProtocolConfiguration) GetMaxTxPerBlock(block uint32) int {
return getIntFromMap(p.MaxTransactionsPerBlock, block)
}
// GetMaxFreeTxPerBlock returns MaxFreeTransactionsPerBlock value for given block height.
func (p *ProtocolConfiguration) GetMaxFreeTxPerBlock(block uint32) int {
return getIntFromMap(p.MaxFreeTransactionsPerBlock, block)
}
// String implements the stringer interface.
func (n NetMode) String() string {
switch n {
case ModePrivNet:
return "privnet"
case ModeTestNet:
return "testnet"
case ModeMainNet:
return "mainnet"
case ModeUnitTestNet:
return "unit_testnet"
default:
return "net unknown"
}
}
// TryGetValue returns the system fee base on transaction type.
func (s SystemFee) TryGetValue(txType transaction.TXType) util.Fixed8 {
switch txType {
case transaction.EnrollmentType:
return util.Fixed8FromInt64(s.EnrollmentTransaction)
case transaction.IssueType:
return util.Fixed8FromInt64(s.IssueTransaction)
case transaction.PublishType:
return util.Fixed8FromInt64(s.PublishTransaction)
case transaction.RegisterType:
return util.Fixed8FromInt64(s.RegisterTransaction)
default:
return util.Fixed8FromInt64(0)
}
}