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140 lines
4.6 KiB
140 lines
4.6 KiB
package main
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import (
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"fmt"
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"math/big"
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"math/rand"
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"time"
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"github.com/harmony-one/harmony/internal/utils"
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common2 "github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/harmony-one/bls/ffi/go/bls"
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"github.com/harmony-one/harmony/core"
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"github.com/harmony-one/harmony/core/state"
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"github.com/harmony-one/harmony/crypto/hash"
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"github.com/harmony-one/harmony/internal/common"
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"github.com/harmony-one/harmony/numeric"
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"github.com/harmony-one/harmony/shard"
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staking "github.com/harmony-one/harmony/staking/types"
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)
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var (
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validatorAddress = common2.Address(common.MustBech32ToAddress("one1pdv9lrdwl0rg5vglh4xtyrv3wjk3wsqket7zxy"))
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testBLSPubKey = "30b2c38b1316da91e068ac3bd8751c0901ef6c02a1d58bc712104918302c6ed03d5894671d0c816dad2b4d303320f202"
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testBLSPrvKey = "c6d7603520311f7a4e6aac0b26701fc433b75b38df504cd416ef2b900cd66205"
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postStakingEpoch = big.NewInt(200)
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)
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func init() {
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bls.Init(bls.BLS12_381)
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}
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func generateBLSKeySigPair() (shard.BLSPublicKey, shard.BLSSignature) {
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p := &bls.PublicKey{}
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p.DeserializeHexStr(testBLSPubKey)
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pub := shard.BLSPublicKey{}
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pub.FromLibBLSPublicKey(p)
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messageBytes := []byte(staking.BLSVerificationStr)
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privateKey := &bls.SecretKey{}
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privateKey.DeserializeHexStr(testBLSPrvKey)
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msgHash := hash.Keccak256(messageBytes)
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signature := privateKey.SignHash(msgHash[:])
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var sig shard.BLSSignature
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copy(sig[:], signature.Serialize())
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return pub, sig
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}
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func createValidator() *staking.CreateValidator {
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desc := staking.Description{
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Name: "SuperHero",
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Identity: "YouWouldNotKnow",
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Website: "Secret Website",
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SecurityContact: "LicenseToKill",
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Details: "blah blah blah",
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}
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rate, _ := numeric.NewDecFromStr("0.1")
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maxRate, _ := numeric.NewDecFromStr("0.5")
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maxChangeRate, _ := numeric.NewDecFromStr("0.05")
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commission := staking.CommissionRates{
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Rate: rate,
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MaxRate: maxRate,
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MaxChangeRate: maxChangeRate,
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}
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minSelfDel := new(big.Int).Mul(big.NewInt(5e18), big.NewInt(2000))
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maxTotalDel := new(big.Int).Mul(big.NewInt(5e18), big.NewInt(100000))
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pubKey, pubSig := generateBLSKeySigPair()
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slotPubKeys := []shard.BLSPublicKey{pubKey}
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slotKeySigs := []shard.BLSSignature{pubSig}
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amount := new(big.Int).Mul(big.NewInt(5e18), big.NewInt(2000))
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v := staking.CreateValidator{
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ValidatorAddress: validatorAddress,
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Description: desc,
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CommissionRates: commission,
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MinSelfDelegation: minSelfDel,
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MaxTotalDelegation: maxTotalDel,
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SlotPubKeys: slotPubKeys,
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SlotKeySigs: slotKeySigs,
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Amount: amount,
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}
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return &v
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}
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func main() {
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statedb, _ := state.New(common2.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
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msg := createValidator()
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statedb.AddBalance(msg.ValidatorAddress, new(big.Int).Mul(big.NewInt(5e18), big.NewInt(2000)))
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validator, err := core.VerifyAndCreateValidatorFromMsg(
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statedb, postStakingEpoch, big.NewInt(0), msg,
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)
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if err != nil {
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fmt.Print(err)
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}
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for i := 0; i < 100000; i++ {
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validator.Delegations = append(validator.Delegations, staking.Delegation{
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common2.Address{},
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big.NewInt(int64(rand.Intn(100))),
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big.NewInt(0),
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nil,
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})
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}
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statedb.UpdateValidatorWrapper(msg.ValidatorAddress, validator)
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startTime := time.Now()
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validator, _ = statedb.ValidatorWrapper(msg.ValidatorAddress)
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endTime := time.Now()
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fmt.Printf("Time required to read validator: %f seconds\n", endTime.Sub(startTime).Seconds())
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startTime = time.Now()
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shares, _ := lookupDelegatorShares(validator)
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endTime = time.Now()
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fmt.Printf("Time required to calc percentage %d delegations: %f seconds\n", len(validator.Delegations), endTime.Sub(startTime).Seconds())
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startTime = time.Now()
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statedb.AddReward(validator, big.NewInt(1000), shares)
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endTime = time.Now()
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fmt.Printf("Time required to reward a validator with %d delegations: %f seconds\n", len(validator.Delegations), endTime.Sub(startTime).Seconds())
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}
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func lookupDelegatorShares(
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snapshot *staking.ValidatorWrapper,
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) (result map[common2.Address]numeric.Dec, err error) {
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result = map[common2.Address]numeric.Dec{}
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totalDelegationDec := numeric.NewDecFromBigInt(snapshot.TotalDelegation())
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for i := range snapshot.Delegations {
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delegation := snapshot.Delegations[i]
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// NOTE percentage = <this_delegator_amount>/<total_delegation>
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if totalDelegationDec.IsZero() {
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utils.Logger().Info().
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RawJSON("validator-snapshot", []byte(snapshot.String())).
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Msg("zero total delegation during AddReward delegation payout")
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return nil, nil
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}
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percentage := numeric.NewDecFromBigInt(delegation.Amount).Quo(totalDelegationDec)
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result[delegation.DelegatorAddress] = percentage
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}
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return result, nil
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}
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