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122 lines
3.1 KiB

package state
import (
"bytes"
"sort"
"github.com/tendermint/tendermint/account"
blk "github.com/tendermint/tendermint/block"
. "github.com/tendermint/tendermint/common"
dbm "github.com/tendermint/tendermint/db"
"io/ioutil"
"os"
"time"
)
func Tempfile(prefix string) (*os.File, string) {
file, err := ioutil.TempFile("", prefix)
if err != nil {
panic(err)
}
return file, file.Name()
}
func RandAccount(randBalance bool, minBalance uint64) (*account.Account, *account.PrivAccount) {
privAccount := account.GenPrivAccount()
acc := &account.Account{
Address: privAccount.PubKey.Address(),
PubKey: privAccount.PubKey,
Sequence: RandUint(),
Balance: minBalance,
}
if randBalance {
acc.Balance += uint64(RandUint32())
}
return acc, privAccount
}
func RandValidator(randBonded bool, minBonded uint64) (*ValidatorInfo, *Validator, *PrivValidator) {
privVal := GenPrivValidator()
_, privVal.filename = Tempfile("priv_validator_")
bonded := minBonded
if randBonded {
bonded += uint64(RandUint32())
}
valInfo := &ValidatorInfo{
Address: privVal.Address,
PubKey: privVal.PubKey,
UnbondTo: []*blk.TxOutput{&blk.TxOutput{
Amount: bonded,
Address: privVal.Address,
}},
FirstBondHeight: 0,
FirstBondAmount: bonded,
}
val := &Validator{
Address: valInfo.Address,
PubKey: valInfo.PubKey,
BondHeight: 0,
UnbondHeight: 0,
LastCommitHeight: 0,
VotingPower: valInfo.FirstBondAmount,
Accum: 0,
}
return valInfo, val, privVal
}
func RandGenesisState(numAccounts int, randBalance bool, minBalance uint64, numValidators int, randBonded bool, minBonded uint64) (*State, []*account.PrivAccount, []*PrivValidator) {
db := dbm.NewMemDB()
accounts := make([]GenesisAccount, numAccounts)
privAccounts := make([]*account.PrivAccount, numAccounts)
for i := 0; i < numAccounts; i++ {
account, privAccount := RandAccount(randBalance, minBalance)
accounts[i] = GenesisAccount{
Address: account.Address,
Amount: account.Balance,
}
privAccounts[i] = privAccount
}
validators := make([]GenesisValidator, numValidators)
privValidators := make([]*PrivValidator, numValidators)
for i := 0; i < numValidators; i++ {
valInfo, _, privVal := RandValidator(randBonded, minBonded)
validators[i] = GenesisValidator{
PubKey: valInfo.PubKey,
Amount: valInfo.FirstBondAmount,
UnbondTo: []GenesisAccount{
{
Address: valInfo.PubKey.Address(),
Amount: valInfo.FirstBondAmount,
},
},
}
privValidators[i] = privVal
}
sort.Sort(PrivValidatorsByAddress(privValidators))
s0 := MakeGenesisState(db, &GenesisDoc{
GenesisTime: time.Now(),
Accounts: accounts,
Validators: validators,
})
s0.Save()
return s0, privAccounts, privValidators
}
//-------------------------------------
type PrivValidatorsByAddress []*PrivValidator
func (pvs PrivValidatorsByAddress) Len() int {
return len(pvs)
}
func (pvs PrivValidatorsByAddress) Less(i, j int) bool {
return bytes.Compare(pvs[i].Address, pvs[j].Address) == -1
}
func (pvs PrivValidatorsByAddress) Swap(i, j int) {
it := pvs[i]
pvs[i] = pvs[j]
pvs[j] = it
}