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zeekay
7cf87b230b
The module already called itself github.com/luxfi/node while containing no node in Go: cmd/luxd was twenty-one lines that printed the size of a few types, and the Go column of the matrix measured a VM plugin. A repo that fetches the thing it claims to be has not replaced it, so the Go sources move in — 1515 files, the daemon and everything under it — and the build reaches outside this module for nothing. Rust and C++ sit beside it unchanged and are still measured against it by the differential. That is the point of one repo: the reference implementation and the two ports are the same checkout, so parity is a thing you can run rather than a thing you assert. Verified: builds, and the closure carries no lux-private — checked at build time rather than believed. The daemon starts twelve chains on a local network (P X C Q Z A B G K M F, plus D through its plugin) and reports healthy.
238 lines
6.6 KiB
Go
238 lines
6.6 KiB
Go
// Copyright (C) 2019-2025, Lux Industries Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package reward
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import (
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"fmt"
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"math"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/luxfi/constants"
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)
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const (
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defaultMinStakingDuration = 24 * time.Hour
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defaultMaxStakingDuration = 365 * 24 * time.Hour
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defaultMinValidatorStake = 5 * constants.MilliLux
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)
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var defaultConfig = Config{
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MaxConsumptionRate: .12 * PercentDenominator,
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MinConsumptionRate: .10 * PercentDenominator,
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MintingPeriod: 365 * 24 * time.Hour,
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SupplyCap: 720 * constants.MegaLux,
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}
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func TestLongerDurationBonus(t *testing.T) {
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c := NewCalculator(defaultConfig)
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shortDuration := 24 * time.Hour
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totalDuration := 365 * 24 * time.Hour
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shortBalance := constants.KiloLux
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for i := 0; i < int(totalDuration/shortDuration); i++ {
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r := c.Calculate(shortDuration, shortBalance, 359*constants.MegaLux+shortBalance)
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shortBalance += r
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}
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reward := c.Calculate(totalDuration%shortDuration, shortBalance, 359*constants.MegaLux+shortBalance)
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shortBalance += reward
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longBalance := constants.KiloLux
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longBalance += c.Calculate(totalDuration, longBalance, 359*constants.MegaLux+longBalance)
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require.Less(t, shortBalance, longBalance, "should promote stakers to stake longer")
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}
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func TestRewards(t *testing.T) {
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c := NewCalculator(defaultConfig)
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tests := []struct {
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duration time.Duration
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stakeAmount uint64
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existingAmount uint64
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expectedReward uint64
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}{
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// Max duration:
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{ // (720M - 360M) * (1M / 360M) * 12%
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duration: defaultMaxStakingDuration,
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stakeAmount: constants.MegaLux,
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existingAmount: 360 * constants.MegaLux,
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expectedReward: 120 * constants.KiloLux,
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},
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{ // (720M - 400M) * (1M / 400M) * 12%
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duration: defaultMaxStakingDuration,
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stakeAmount: constants.MegaLux,
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existingAmount: 400 * constants.MegaLux,
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expectedReward: 96 * constants.KiloLux,
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},
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{ // (720M - 400M) * (2M / 400M) * 12%
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duration: defaultMaxStakingDuration,
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stakeAmount: 2 * constants.MegaLux,
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existingAmount: 400 * constants.MegaLux,
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expectedReward: 192 * constants.KiloLux,
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},
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{ // (720M - 720M) * (1M / 720M) * 12%
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duration: defaultMaxStakingDuration,
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stakeAmount: constants.MegaLux,
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existingAmount: defaultConfig.SupplyCap,
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expectedReward: 0,
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},
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// Min duration:
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// (720M - 360M) * (1M / 360M) * (10% + 2% * MinimumStakingDuration / MaximumStakingDuration) * MinimumStakingDuration / MaximumStakingDuration
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// With 6 decimal precision (microLUX base unit)
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{
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duration: defaultMinStakingDuration,
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stakeAmount: constants.MegaLux,
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existingAmount: 360 * constants.MegaLux,
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expectedReward: 274122724,
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},
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// (720M - 360M) * (.005 / 360M) * (10% + 2% * MinimumStakingDuration / MaximumStakingDuration) * MinimumStakingDuration / MaximumStakingDuration
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// With small stake, rounds to minimum of 1 microLUX
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{
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duration: defaultMinStakingDuration,
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stakeAmount: defaultMinValidatorStake,
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existingAmount: 360 * constants.MegaLux,
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expectedReward: 1,
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},
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// (720M - 400M) * (1M / 400M) * (10% + 2% * MinimumStakingDuration / MaximumStakingDuration) * MinimumStakingDuration / MaximumStakingDuration
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{
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duration: defaultMinStakingDuration,
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stakeAmount: constants.MegaLux,
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existingAmount: 400 * constants.MegaLux,
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expectedReward: 219298179,
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},
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// (720M - 400M) * (2M / 400M) * (10% + 2% * MinimumStakingDuration / MaximumStakingDuration) * MinimumStakingDuration / MaximumStakingDuration
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{
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duration: defaultMinStakingDuration,
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stakeAmount: 2 * constants.MegaLux,
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existingAmount: 400 * constants.MegaLux,
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expectedReward: 438596359,
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},
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// (720M - 720M) * (1M / 720M) * (10% + 2% * MinimumStakingDuration / MaximumStakingDuration) * MinimumStakingDuration / MaximumStakingDuration
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{
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duration: defaultMinStakingDuration,
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stakeAmount: constants.MegaLux,
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existingAmount: defaultConfig.SupplyCap,
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expectedReward: 0,
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},
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}
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for _, test := range tests {
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name := fmt.Sprintf("reward(%s,%d,%d)==%d",
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test.duration,
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test.stakeAmount,
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test.existingAmount,
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test.expectedReward,
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)
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t.Run(name, func(t *testing.T) {
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reward := c.Calculate(
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test.duration,
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test.stakeAmount,
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test.existingAmount,
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)
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require.Equal(t, test.expectedReward, reward)
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})
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}
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}
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func TestRewardsOverflow(t *testing.T) {
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var (
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maxSupply uint64 = math.MaxUint64
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initialSupply uint64 = 1
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)
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c := NewCalculator(Config{
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MaxConsumptionRate: PercentDenominator,
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MinConsumptionRate: PercentDenominator,
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MintingPeriod: defaultMinStakingDuration,
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SupplyCap: maxSupply,
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})
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reward := c.Calculate(
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defaultMinStakingDuration,
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maxSupply, // The staked amount is larger than the current supply
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initialSupply,
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)
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require.Equal(t, maxSupply-initialSupply, reward)
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}
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func TestRewardsMint(t *testing.T) {
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var (
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maxSupply uint64 = 1000
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initialSupply uint64 = 1
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)
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c := NewCalculator(Config{
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MaxConsumptionRate: PercentDenominator,
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MinConsumptionRate: PercentDenominator,
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MintingPeriod: defaultMinStakingDuration,
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SupplyCap: maxSupply,
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})
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rewards := c.Calculate(
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defaultMinStakingDuration,
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maxSupply, // The staked amount is larger than the current supply
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initialSupply,
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)
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require.Equal(t, maxSupply-initialSupply, rewards)
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}
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func TestSplit(t *testing.T) {
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tests := []struct {
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amount uint64
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shares uint32
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expectedSplit uint64
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}{
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{
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amount: 1000,
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shares: PercentDenominator / 2,
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expectedSplit: 500,
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},
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{
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amount: 1,
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shares: PercentDenominator,
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expectedSplit: 1,
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},
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{
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amount: 1,
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shares: PercentDenominator - 1,
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expectedSplit: 1,
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},
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{
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amount: 1,
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shares: 1,
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expectedSplit: 1,
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},
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{
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amount: 1,
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shares: 0,
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expectedSplit: 0,
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},
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{
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amount: 9223374036974675809,
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shares: 2,
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expectedSplit: 18446748749757,
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},
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{
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amount: 9223374036974675809,
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shares: PercentDenominator,
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expectedSplit: 9223374036974675809,
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},
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{
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amount: 9223372036855275808,
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shares: PercentDenominator - 2,
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expectedSplit: 9223353590111202098,
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},
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{
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amount: 9223372036855275808,
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shares: 2,
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expectedSplit: 18446744349518,
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},
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}
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for _, test := range tests {
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t.Run(fmt.Sprintf("%d_%d", test.amount, test.shares), func(t *testing.T) {
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require := require.New(t)
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split, remainder := Split(test.amount, test.shares)
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require.Equal(test.expectedSplit, split)
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require.Equal(test.amount-test.expectedSplit, remainder)
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})
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}
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}
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