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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package pingpong
import (
"encoding/json"
"fmt"
"io"
"os"
"time"
"github.com/algorand/go-algorand/util/codecs"
)
// ConfigFilename name of configuration file
const ConfigFilename = "ppconfig.json"
// PpConfig defines configuration structure for
type PpConfig struct {
// SrcAccount is address to use as funding source for new accounts
SrcAccount string
RandomizeFee bool
RandomizeAmt bool
RandomizeDst bool
MaxRandomDst uint64
MaxFee uint64
MinFee uint64
MaxAmt uint64
TxnPerSec uint64
NumPartAccounts uint32
RunTime time.Duration
RefreshTime time.Duration
MinAccountFunds uint64
Quiet bool
RandomNote bool
RandomLease bool
TotalLatencyOut string
Program []byte
LogicArgs [][]byte
ProgramProbability float64
GroupSize uint32
// NumAsset is the number of assets each account holds
NumAsset uint32
// MinAccountAsset
MinAccountAsset uint64
// NumApp is the total number of apps to create
NumApp uint32
// NumAppOptIn is the number of apps each account opts in to
NumAppOptIn uint32
// NumBoxUpdate is the number of boxes used per app, where box values are updated each call
NumBoxUpdate uint32
// NumBoxRead is the number of boxes used per app, where box values are only read each call
NumBoxRead uint32
AppProgOps uint32
AppProgHashes uint32
AppProgHashSize string
AppGlobKeys uint32
AppLocalKeys uint32
Rekey bool
MaxRuntime time.Duration
AsyncSending bool
// asset spam; make lots of NFT ASAs
NftAsaPerSecond uint32 // e.g. 100
NftAsaPerAccount uint32 // 0..999
NftAsaAccountInFlight uint32
// configuration related to using bootstrapped ledgers built by netgoal
// TODO: support generatedAssetsCount, generatedApplicationCount
DeterministicKeys bool
GeneratedAccountsCount uint64
GeneratedAccountSampleMethod string
GeneratedAccountsOffset uint64
GeneratedAccountsMnemonics []string
WeightPayment float64
WeightAsset float64
WeightApp float64
WeightNFTCreation float64
}
// DefaultConfig object for Ping Pong
var DefaultConfig = PpConfig{
SrcAccount: "",
RandomizeFee: false,
RandomizeAmt: false,
RandomizeDst: false,
MaxRandomDst: 200000,
MaxFee: 10000,
MinFee: 1000,
MaxAmt: 1000,
TxnPerSec: 200,
NumPartAccounts: 10,
RunTime: 10 * time.Second,
RefreshTime: 3600 * time.Second,
MinAccountFunds: 100000,
GroupSize: 1,
NumAsset: 0,
MinAccountAsset: 10000000,
NumApp: 0,
NumBoxUpdate: 0,
NumBoxRead: 0,
AppProgOps: 0,
AppProgHashes: 0,
AppProgHashSize: "sha256",
Rekey: false,
MaxRuntime: 0,
ProgramProbability: 1,
NftAsaAccountInFlight: 5,
NftAsaPerAccount: 900,
}
// LoadConfigFromFile reads and loads Ping Pong configuration
func LoadConfigFromFile(file string) (cfg PpConfig, err error) {
cfg = DefaultConfig
f, err := os.Open(file)
if err != nil {
return
}
defer f.Close()
dec := json.NewDecoder(f)
err = dec.Decode(&cfg)
return cfg, err
}
// Save writes configuration to a file
func (cfg PpConfig) Save(file string) error {
f, err := os.Create(file)
if err != nil {
return err
}
defer f.Close()
enc := codecs.NewFormattedJSONEncoder(f)
return enc.Encode(cfg)
}
// Dump configuration to output stream
func (cfg PpConfig) Dump(stream io.Writer) {
enc := codecs.NewFormattedJSONEncoder(stream)
enc.Encode(cfg)
}
// SetDefaultWeights ensures a reasonable configuration of traffic generation weights.
// With no weights set, and old args about what mode to run, each activated traffic type gets a weight of 1.
// With no weights set and some activated traffic type other than payment, payment gets deactivated (zero weight) to maintain compatibility with prior behavior. WeightPayment must be explicitly set to add it to the mix if other modes are activated.
func (cfg *PpConfig) SetDefaultWeights() {
const epsilon = 0.0000001
if cfg.WeightPayment+cfg.WeightAsset+cfg.WeightApp+cfg.WeightNFTCreation < epsilon {
// set up some sensible run probability weights
if cfg.NumAsset > 0 && cfg.WeightAsset < epsilon {
cfg.WeightAsset = 1
}
if cfg.NumApp > 0 && cfg.WeightApp < epsilon {
cfg.WeightApp = 1
}
if cfg.NftAsaPerSecond > 0 && cfg.WeightNFTCreation < epsilon {
cfg.WeightNFTCreation = 1
}
if cfg.NumAsset == 0 && cfg.NumApp == 0 && cfg.NftAsaPerSecond == 0 && cfg.WeightPayment < epsilon {
// backwards compatibility, if a mode is specified we wouldn't run payment traffic, so only set it when no mode is specified
cfg.WeightPayment = 1
}
}
}
var accountSampleMethods = []string{
"",
"random",
"sequential",
"mnemonic",
}
// Check returns an error if config is invalid.
func (cfg *PpConfig) Check() error {
sampleOk := false
for _, v := range accountSampleMethods {
if v == cfg.GeneratedAccountSampleMethod {
sampleOk = true
break
}
}
if !sampleOk {
return fmt.Errorf("unknown GeneratedAccountSampleMethod: %s", cfg.GeneratedAccountSampleMethod)
}
if cfg.DeterministicKeys && (cfg.GeneratedAccountsOffset+uint64(cfg.NumPartAccounts) > cfg.GeneratedAccountsCount) {
return fmt.Errorf("(GeneratedAccountsOffset %d) + (NumPartAccounts %d) > (GeneratedAccountsCount %d)", cfg.GeneratedAccountsOffset, cfg.NumPartAccounts, cfg.GeneratedAccountsCount)
}
return nil
}
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