cosmos-sdk/x/stake/keeper_test.go

745 lines
29 KiB
Go

package stake
import (
"testing"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
addrDels = []sdk.Address{
addrs[0],
addrs[1],
}
addrVals = []sdk.Address{
addrs[2],
addrs[3],
addrs[4],
addrs[5],
addrs[6],
}
)
func TestSetValidator(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
pool := keeper.GetPool(ctx)
// test how the validator is set from a purely unbonbed pool
validator := NewValidator(addrVals[0], pks[0], Description{})
validator, pool, _ = validator.addTokensFromDel(pool, 10)
require.Equal(t, sdk.Unbonded, validator.Status)
assert.True(sdk.RatEq(t, sdk.NewRat(10), validator.PShares.Unbonded()))
assert.True(sdk.RatEq(t, sdk.NewRat(10), validator.DelegatorShares))
keeper.setPool(ctx, pool)
keeper.setValidator(ctx, validator)
// after the save the validator should be bonded
validator, found := keeper.GetValidator(ctx, addrVals[0])
require.True(t, found)
require.Equal(t, sdk.Bonded, validator.Status)
assert.True(sdk.RatEq(t, sdk.NewRat(10), validator.PShares.Bonded()))
assert.True(sdk.RatEq(t, sdk.NewRat(10), validator.DelegatorShares))
}
// This function tests setValidator, GetValidator, GetValidatorsBonded, removeValidator
func TestValidatorBasics(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
pool := keeper.GetPool(ctx)
//construct the validators
var validators [3]Validator
amts := []int64{9, 8, 7}
for i, amt := range amts {
validators[i] = NewValidator(addrVals[i], pks[i], Description{})
validators[i].Status = sdk.Bonded
validators[i].PShares = NewBondedShares(sdk.ZeroRat())
validators[i].addTokensFromDel(pool, amt)
}
// check the empty keeper first
_, found := keeper.GetValidator(ctx, addrVals[0])
assert.False(t, found)
resVals := keeper.GetValidatorsBonded(ctx)
assert.Zero(t, len(resVals))
// set and retrieve a record
keeper.setValidator(ctx, validators[0])
resVal, found := keeper.GetValidator(ctx, addrVals[0])
require.True(t, found)
assert.True(ValEq(t, validators[0], resVal))
resVals = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 1, len(resVals))
assert.True(ValEq(t, validators[0], resVals[0]))
// modify a records, save, and retrieve
validators[0].PShares = NewBondedShares(sdk.NewRat(10))
validators[0].DelegatorShares = sdk.NewRat(10)
keeper.setValidator(ctx, validators[0])
resVal, found = keeper.GetValidator(ctx, addrVals[0])
require.True(t, found)
assert.True(ValEq(t, validators[0], resVal))
resVals = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 1, len(resVals))
assert.True(ValEq(t, validators[0], resVals[0]))
// add other validators
keeper.setValidator(ctx, validators[1])
keeper.setValidator(ctx, validators[2])
resVal, found = keeper.GetValidator(ctx, addrVals[1])
require.True(t, found)
assert.True(ValEq(t, validators[1], resVal))
resVal, found = keeper.GetValidator(ctx, addrVals[2])
require.True(t, found)
assert.True(ValEq(t, validators[2], resVal))
resVals = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 3, len(resVals))
assert.True(ValEq(t, validators[0], resVals[2])) // order doesn't matter here
assert.True(ValEq(t, validators[1], resVals[0]))
assert.True(ValEq(t, validators[2], resVals[1]))
// remove a record
keeper.removeValidator(ctx, validators[1].Address)
_, found = keeper.GetValidator(ctx, addrVals[1])
assert.False(t, found)
}
// test how the validators are sorted, tests GetValidatorsBondedByPower
func GetValidatorSortingUnmixed(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
// initialize some validators into the state
amts := []int64{0, 100, 1, 400, 200}
n := len(amts)
var validators [5]Validator
for i, amt := range amts {
validators[i] = NewValidator(addrs[i], pks[i], Description{})
validators[i].PShares = NewBondedShares(sdk.NewRat(amt))
validators[i].DelegatorShares = sdk.NewRat(amt)
keeper.setValidator(ctx, validators[i])
}
// first make sure everything made it in to the gotValidator group
gotValidators := keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, n, len(gotValidators))
assert.Equal(t, sdk.NewRat(400), gotValidators[0].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, sdk.NewRat(200), gotValidators[1].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, sdk.NewRat(100), gotValidators[2].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, sdk.NewRat(1), gotValidators[3].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, sdk.NewRat(0), gotValidators[4].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, validators[3].Address, gotValidators[0].Address, "%v", gotValidators)
assert.Equal(t, validators[4].Address, gotValidators[1].Address, "%v", gotValidators)
assert.Equal(t, validators[1].Address, gotValidators[2].Address, "%v", gotValidators)
assert.Equal(t, validators[2].Address, gotValidators[3].Address, "%v", gotValidators)
assert.Equal(t, validators[0].Address, gotValidators[4].Address, "%v", gotValidators)
// test a basic increase in voting power
validators[3].PShares = NewBondedShares(sdk.NewRat(500))
keeper.setValidator(ctx, validators[3])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, len(gotValidators), n)
assert.True(ValEq(t, validators[3], gotValidators[0]))
// test a decrease in voting power
validators[3].PShares = NewBondedShares(sdk.NewRat(300))
keeper.setValidator(ctx, validators[3])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, len(gotValidators), n)
assert.True(ValEq(t, validators[3], gotValidators[0]))
assert.True(ValEq(t, validators[4], gotValidators[1]))
// test equal voting power, different age
validators[3].PShares = NewBondedShares(sdk.NewRat(200))
ctx = ctx.WithBlockHeight(10)
keeper.setValidator(ctx, validators[3])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, len(gotValidators), n)
assert.True(ValEq(t, validators[3], gotValidators[0]))
assert.True(ValEq(t, validators[4], gotValidators[1]))
assert.Equal(t, int64(0), gotValidators[0].BondHeight, "%v", gotValidators)
assert.Equal(t, int64(0), gotValidators[1].BondHeight, "%v", gotValidators)
// no change in voting power - no change in sort
ctx = ctx.WithBlockHeight(20)
keeper.setValidator(ctx, validators[4])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, len(gotValidators), n)
assert.True(ValEq(t, validators[3], gotValidators[0]))
assert.True(ValEq(t, validators[4], gotValidators[1]))
// change in voting power of both validators, both still in v-set, no age change
validators[3].PShares = NewBondedShares(sdk.NewRat(300))
validators[4].PShares = NewBondedShares(sdk.NewRat(300))
keeper.setValidator(ctx, validators[3])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, len(gotValidators), n)
ctx = ctx.WithBlockHeight(30)
keeper.setValidator(ctx, validators[4])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, len(gotValidators), n, "%v", gotValidators)
assert.True(ValEq(t, validators[3], gotValidators[0]))
assert.True(ValEq(t, validators[4], gotValidators[1]))
}
func GetValidatorSortingMixed(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
// now 2 max gotValidators
params := keeper.GetParams(ctx)
params.MaxValidators = 2
keeper.setParams(ctx, params)
// initialize some validators into the state
amts := []int64{0, 100, 1, 400, 200}
n := len(amts)
var validators [5]Validator
for i, amt := range amts {
validators[i] = NewValidator(addrs[i], pks[i], Description{})
validators[i].DelegatorShares = sdk.NewRat(amt)
}
validators[0].PShares = NewUnbondedShares(sdk.NewRat(amts[0]))
validators[1].PShares = NewUnbondedShares(sdk.NewRat(amts[1]))
validators[2].PShares = NewUnbondedShares(sdk.NewRat(amts[2]))
validators[3].PShares = NewBondedShares(sdk.NewRat(amts[3]))
validators[4].PShares = NewBondedShares(sdk.NewRat(amts[4]))
for i := range amts {
keeper.setValidator(ctx, validators[i])
}
val0, found := keeper.GetValidator(ctx, addrs[0])
require.True(t, found)
val1, found := keeper.GetValidator(ctx, addrs[1])
require.True(t, found)
val2, found := keeper.GetValidator(ctx, addrs[2])
require.True(t, found)
val3, found := keeper.GetValidator(ctx, addrs[3])
require.True(t, found)
val4, found := keeper.GetValidator(ctx, addrs[4])
require.True(t, found)
assert.Equal(t, sdk.Unbonded, val0.Status)
assert.Equal(t, sdk.Unbonded, val1.Status)
assert.Equal(t, sdk.Unbonded, val2.Status)
assert.Equal(t, sdk.Bonded, val3.Status)
assert.Equal(t, sdk.Bonded, val4.Status)
// first make sure everything made it in to the gotValidator group
gotValidators := keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, n, len(gotValidators))
assert.Equal(t, sdk.NewRat(400), gotValidators[0].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, sdk.NewRat(200), gotValidators[1].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, sdk.NewRat(100), gotValidators[2].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, sdk.NewRat(1), gotValidators[3].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, sdk.NewRat(0), gotValidators[4].PShares.Bonded(), "%v", gotValidators)
assert.Equal(t, validators[3].Address, gotValidators[0].Address, "%v", gotValidators)
assert.Equal(t, validators[4].Address, gotValidators[1].Address, "%v", gotValidators)
assert.Equal(t, validators[1].Address, gotValidators[2].Address, "%v", gotValidators)
assert.Equal(t, validators[2].Address, gotValidators[3].Address, "%v", gotValidators)
assert.Equal(t, validators[0].Address, gotValidators[4].Address, "%v", gotValidators)
}
// TODO seperate out into multiple tests
func TestGetValidatorsEdgeCases(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
// now 2 max gotValidators
params := keeper.GetParams(ctx)
nMax := uint16(2)
params.MaxValidators = nMax
keeper.setParams(ctx, params)
// initialize some validators into the state
amts := []int64{0, 100, 400, 400}
var validators [5]Validator
for i, amt := range amts {
validators[i] = NewValidator(addrs[i], pks[i], Description{})
validators[i].DelegatorShares = sdk.NewRat(amt)
}
validators[0].PShares = NewUnbondedShares(sdk.NewRat(amts[0]))
validators[1].PShares = NewUnbondedShares(sdk.NewRat(amts[1]))
validators[2].PShares = NewBondedShares(sdk.NewRat(amts[2]))
validators[3].PShares = NewBondedShares(sdk.NewRat(amts[3]))
for i := range amts {
keeper.setValidator(ctx, validators[i])
}
validators[0].PShares = NewUnbondedShares(sdk.NewRat(500))
keeper.setValidator(ctx, validators[0])
gotValidators := keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, nMax, uint16(len(gotValidators)))
assert.True(ValEq(t, validators[0], gotValidators[0]))
// validator 3 was set before validator 4
assert.True(ValEq(t, validators[2], gotValidators[1]))
// A validator which leaves the gotValidator set due to a decrease in voting power,
// then increases to the original voting power, does not get its spot back in the
// case of a tie.
// ref https://github.com/cosmos/cosmos-sdk/issues/582#issuecomment-380757108
validators[3].PShares = NewBondedShares(sdk.NewRat(401))
keeper.setValidator(ctx, validators[3])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, nMax, uint16(len(gotValidators)))
assert.True(ValEq(t, validators[0], gotValidators[0]))
assert.True(ValEq(t, validators[3], gotValidators[1]))
ctx = ctx.WithBlockHeight(40)
// validator 3 kicked out temporarily
validators[3].PShares = NewBondedShares(sdk.NewRat(200))
keeper.setValidator(ctx, validators[3])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, nMax, uint16(len(gotValidators)))
assert.True(ValEq(t, validators[0], gotValidators[0]))
assert.True(ValEq(t, validators[2], gotValidators[1]))
// validator 4 does not get spot back
validators[3].PShares = NewBondedShares(sdk.NewRat(400))
keeper.setValidator(ctx, validators[3])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, nMax, uint16(len(gotValidators)))
assert.True(ValEq(t, validators[0], gotValidators[0]))
assert.True(ValEq(t, validators[2], gotValidators[1]))
validator, exists := keeper.GetValidator(ctx, validators[3].Address)
require.Equal(t, exists, true)
require.Equal(t, validator.BondHeight, int64(40))
}
func TestValidatorBondHeight(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
// now 2 max gotValidators
params := keeper.GetParams(ctx)
params.MaxValidators = 2
keeper.setParams(ctx, params)
// initialize some validators into the state
var validators [3]Validator
validators[0] = NewValidator(addrs[0], pks[0], Description{})
validators[0].PShares = NewBondedShares(sdk.NewRat(200))
validators[0].DelegatorShares = sdk.NewRat(200)
keeper.setValidator(ctx, validators[0])
validators[1] = NewValidator(addrs[1], pks[1], Description{})
validators[1].PShares = NewUnbondedShares(sdk.NewRat(100))
validators[1].DelegatorShares = sdk.NewRat(100)
validators[2] = NewValidator(addrs[2], pks[2], Description{})
validators[2].PShares = NewUnbondedShares(sdk.NewRat(100))
validators[2].DelegatorShares = sdk.NewRat(100)
////////////////////////////////////////
// If two validators both increase to the same voting power in the same block,
// the one with the first transaction should become bonded
keeper.setValidator(ctx, validators[1])
keeper.setValidator(ctx, validators[2])
gotValidators := keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, uint16(len(gotValidators)), params.MaxValidators)
assert.True(ValEq(t, validators[0], gotValidators[0]))
assert.True(ValEq(t, validators[1], gotValidators[1]))
validators[1].PShares = NewUnbondedShares(sdk.NewRat(150))
validators[2].PShares = NewUnbondedShares(sdk.NewRat(150))
keeper.setValidator(ctx, validators[2])
keeper.setValidator(ctx, validators[1])
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, params.MaxValidators, uint16(len(gotValidators)))
assert.True(ValEq(t, validators[0], gotValidators[0]))
assert.True(ValEq(t, validators[2], gotValidators[1]))
}
// XXX rename test
func TestGetValidatorsEdgeCases2(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
// now 2 max gotValidators
params := keeper.GetParams(ctx)
params.MaxValidators = 2
keeper.setParams(ctx, params)
// initialize some validators into the state
amts := []int64{0, 100, 400, 400, 200}
n := len(amts)
var validators [5]Validator
for i, amt := range amts {
validators[i] = NewValidator(addrs[i], pks[i], Description{})
validators[i].PShares = NewUnbondedShares(sdk.NewRat(amt))
validators[i].DelegatorShares = sdk.NewRat(amt)
keeper.setValidator(ctx, validators[i])
}
// test a swap in voting power
validators[0].PShares = NewBondedShares(sdk.NewRat(600))
keeper.setValidator(ctx, validators[0])
gotValidators := keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, len(gotValidators), n)
assert.True(ValEq(t, validators[0], gotValidators[0]))
assert.True(ValEq(t, validators[3], gotValidators[1]))
// test the max gotValidators term
params = keeper.GetParams(ctx)
n = 2
params.MaxValidators = uint16(n)
keeper.setParams(ctx, params)
gotValidators = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, len(gotValidators), n)
assert.True(ValEq(t, validators[0], gotValidators[0]))
assert.True(ValEq(t, validators[3], gotValidators[1]))
}
// clear the tracked changes to the gotValidator set
func TestClearTendermintUpdates(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
amts := []int64{100, 400, 200}
validators := make([]Validator, len(amts))
for i, amt := range amts {
validators[i] = NewValidator(addrs[i], pks[i], Description{})
validators[i].PShares = NewBondedShares(sdk.NewRat(amt))
validators[i].DelegatorShares = sdk.NewRat(amt)
keeper.setValidator(ctx, validators[i])
}
updates := keeper.getTendermintUpdates(ctx)
assert.Equal(t, len(amts), len(updates))
keeper.clearTendermintUpdates(ctx)
updates = keeper.getTendermintUpdates(ctx)
assert.Equal(t, 0, len(updates))
}
// test the mechanism which keeps track of a gotValidator set change
func TestGetTendermintUpdates(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
params := defaultParams()
params.MaxValidators = 4
keeper.setParams(ctx, params)
// TODO eliminate use of validatorsIn here
// tests could be clearer if they just
// created the validator at time of use
// and were labelled by power in the comments
// outlining in each test
amts := []int64{10, 11, 12, 13, 1}
var validatorsIn [5]Validator
for i, amt := range amts {
validatorsIn[i] = NewValidator(addrs[i], pks[i], Description{})
validatorsIn[i].PShares = NewBondedShares(sdk.NewRat(amt))
validatorsIn[i].DelegatorShares = sdk.NewRat(amt)
}
// test from nothing to something
// validator set: {} -> {c1, c3}
// gotValidator set: {} -> {c1, c3}
// tendermintUpdate set: {} -> {c1, c3}
assert.Equal(t, 0, len(keeper.GetValidatorsBonded(ctx))) // GetValidatorsBonded(ctx, 5
assert.Equal(t, 0, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
keeper.setValidator(ctx, validatorsIn[1])
keeper.setValidator(ctx, validatorsIn[3])
vals := keeper.GetValidatorsBondedByPower(ctx) // to init recent gotValidator set
require.Equal(t, 2, len(vals))
updates := keeper.getTendermintUpdates(ctx)
require.Equal(t, 2, len(updates))
validators := keeper.GetValidatorsBonded(ctx) //GetValidatorsBonded(ctx, 5
require.Equal(t, 2, len(validators))
assert.Equal(t, validators[0].abciValidator(keeper.cdc), updates[0])
assert.Equal(t, validators[1].abciValidator(keeper.cdc), updates[1])
assert.True(ValEq(t, validators[0], vals[1]))
assert.True(ValEq(t, validators[1], vals[0]))
// test identical,
// validator set: {c1, c3} -> {c1, c3}
// tendermintUpdate set: {} -> {}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 2, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
keeper.setValidator(ctx, validators[0])
keeper.setValidator(ctx, validators[1])
require.Equal(t, 2, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
// test single value change
// validator set: {c1, c3} -> {c1', c3}
// tendermintUpdate set: {} -> {c1'}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 2, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
validators[0].PShares = NewBondedShares(sdk.NewRat(600))
keeper.setValidator(ctx, validators[0])
validators = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 2, len(validators))
assert.True(t, validators[0].PShares.Bonded().Equal(sdk.NewRat(600)))
updates = keeper.getTendermintUpdates(ctx)
require.Equal(t, 1, len(updates))
assert.Equal(t, validators[0].abciValidator(keeper.cdc), updates[0])
// test multiple value change
// validator set: {c1, c3} -> {c1', c3'}
// tendermintUpdate set: {c1, c3} -> {c1', c3'}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 2, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
validators[0].PShares = NewBondedShares(sdk.NewRat(200))
validators[1].PShares = NewBondedShares(sdk.NewRat(100))
keeper.setValidator(ctx, validators[0])
keeper.setValidator(ctx, validators[1])
updates = keeper.getTendermintUpdates(ctx)
require.Equal(t, 2, len(updates))
validators = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 2, len(validators))
require.Equal(t, validators[0].abciValidator(keeper.cdc), updates[0])
require.Equal(t, validators[1].abciValidator(keeper.cdc), updates[1])
// test validtor added at the beginning
// validator set: {c1, c3} -> {c0, c1, c3}
// tendermintUpdate set: {} -> {c0}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 2, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
keeper.setValidator(ctx, validatorsIn[0])
updates = keeper.getTendermintUpdates(ctx)
require.Equal(t, 1, len(updates))
validators = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 3, len(validators))
assert.Equal(t, validators[0].abciValidator(keeper.cdc), updates[0])
// test gotValidator added at the middle
// validator set: {c0, c1, c3} -> {c0, c1, c2, c3]
// tendermintUpdate set: {} -> {c2}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 3, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
keeper.setValidator(ctx, validatorsIn[2])
updates = keeper.getTendermintUpdates(ctx)
require.Equal(t, 1, len(updates))
validators = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 4, len(validators))
assert.Equal(t, validators[2].abciValidator(keeper.cdc), updates[0])
// test validator added at the end but not inserted in the valset
// validator set: {c0, c1, c2, c3} -> {c0, c1, c2, c3, c4}
// gotValidator set: {c0, c1, c2, c3} -> {c0, c1, c2, c3}
// tendermintUpdate set: {} -> {}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 4, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 4, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
keeper.setValidator(ctx, validatorsIn[4])
assert.Equal(t, 5, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 4, len(keeper.GetValidatorsBonded(ctx)))
require.Equal(t, 0, len(keeper.getTendermintUpdates(ctx))) // max gotValidator number is 4
// test validator change its power but still not in the valset
// validator set: {c0, c1, c2, c3, c4} -> {c0, c1, c2, c3, c4}
// gotValidator set: {c0, c1, c2, c3} -> {c0, c1, c2, c3}
// tendermintUpdate set: {} -> {}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 5, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 4, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
validatorsIn[4].PShares = NewBondedShares(sdk.NewRat(1))
keeper.setValidator(ctx, validatorsIn[4])
assert.Equal(t, 5, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 4, len(keeper.GetValidatorsBonded(ctx)))
require.Equal(t, 0, len(keeper.getTendermintUpdates(ctx))) // max gotValidator number is 4
// test validator change its power and become a gotValidator (pushing out an existing)
// validator set: {c0, c1, c2, c3, c4} -> {c0, c1, c2, c3, c4}
// gotValidator set: {c0, c1, c2, c3} -> {c1, c2, c3, c4}
// tendermintUpdate set: {} -> {c0, c4}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 5, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 4, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
validatorsIn[4].PShares = NewBondedShares(sdk.NewRat(1000))
keeper.setValidator(ctx, validatorsIn[4])
validators = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 5, len(validators))
vals = keeper.GetValidatorsBondedByPower(ctx)
require.Equal(t, 4, len(vals))
assert.Equal(t, validatorsIn[1].Address, vals[1].Address)
assert.Equal(t, validatorsIn[2].Address, vals[3].Address)
assert.Equal(t, validatorsIn[3].Address, vals[2].Address)
assert.Equal(t, validatorsIn[4].Address, vals[0].Address)
updates = keeper.getTendermintUpdates(ctx)
require.Equal(t, 2, len(updates), "%v", updates)
assert.Equal(t, validatorsIn[0].PubKey.Bytes(), updates[0].PubKey)
assert.Equal(t, int64(0), updates[0].Power)
assert.Equal(t, vals[0].abciValidator(keeper.cdc), updates[1])
// test from something to nothing
// validator set: {c0, c1, c2, c3, c4} -> {}
// gotValidator set: {c1, c2, c3, c4} -> {}
// tendermintUpdate set: {} -> {c1, c2, c3, c4}
keeper.clearTendermintUpdates(ctx)
assert.Equal(t, 5, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 4, len(keeper.GetValidatorsBonded(ctx)))
assert.Equal(t, 0, len(keeper.getTendermintUpdates(ctx)))
keeper.removeValidator(ctx, validatorsIn[0].Address)
keeper.removeValidator(ctx, validatorsIn[1].Address)
keeper.removeValidator(ctx, validatorsIn[2].Address)
keeper.removeValidator(ctx, validatorsIn[3].Address)
keeper.removeValidator(ctx, validatorsIn[4].Address)
vals = keeper.GetValidatorsBondedByPower(ctx)
assert.Equal(t, 0, len(vals), "%v", vals)
validators = keeper.GetValidatorsBonded(ctx)
require.Equal(t, 0, len(validators))
updates = keeper.getTendermintUpdates(ctx)
require.Equal(t, 4, len(updates))
assert.Equal(t, validatorsIn[1].PubKey.Bytes(), updates[0].PubKey)
assert.Equal(t, validatorsIn[2].PubKey.Bytes(), updates[1].PubKey)
assert.Equal(t, validatorsIn[3].PubKey.Bytes(), updates[2].PubKey)
assert.Equal(t, validatorsIn[4].PubKey.Bytes(), updates[3].PubKey)
assert.Equal(t, int64(0), updates[0].Power)
assert.Equal(t, int64(0), updates[1].Power)
assert.Equal(t, int64(0), updates[2].Power)
assert.Equal(t, int64(0), updates[3].Power)
}
// tests GetDelegation, GetDelegations, SetDelegation, removeDelegation, GetBonds
func TestBond(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
//construct the validators
amts := []int64{9, 8, 7}
var validators [3]Validator
for i, amt := range amts {
validators[i] = NewValidator(addrVals[i], pks[i], Description{})
validators[i].PShares = NewBondedShares(sdk.NewRat(amt))
validators[i].DelegatorShares = sdk.NewRat(amt)
}
// first add a validators[0] to delegate too
keeper.setValidator(ctx, validators[0])
bond1to1 := Delegation{
DelegatorAddr: addrDels[0],
ValidatorAddr: addrVals[0],
Shares: sdk.NewRat(9),
}
// check the empty keeper first
_, found := keeper.GetDelegation(ctx, addrDels[0], addrVals[0])
assert.False(t, found)
// set and retrieve a record
keeper.setDelegation(ctx, bond1to1)
resBond, found := keeper.GetDelegation(ctx, addrDels[0], addrVals[0])
assert.True(t, found)
assert.True(t, bond1to1.equal(resBond))
// modify a records, save, and retrieve
bond1to1.Shares = sdk.NewRat(99)
keeper.setDelegation(ctx, bond1to1)
resBond, found = keeper.GetDelegation(ctx, addrDels[0], addrVals[0])
assert.True(t, found)
assert.True(t, bond1to1.equal(resBond))
// add some more records
keeper.setValidator(ctx, validators[1])
keeper.setValidator(ctx, validators[2])
bond1to2 := Delegation{addrDels[0], addrVals[1], sdk.NewRat(9), 0}
bond1to3 := Delegation{addrDels[0], addrVals[2], sdk.NewRat(9), 1}
bond2to1 := Delegation{addrDels[1], addrVals[0], sdk.NewRat(9), 2}
bond2to2 := Delegation{addrDels[1], addrVals[1], sdk.NewRat(9), 3}
bond2to3 := Delegation{addrDels[1], addrVals[2], sdk.NewRat(9), 4}
keeper.setDelegation(ctx, bond1to2)
keeper.setDelegation(ctx, bond1to3)
keeper.setDelegation(ctx, bond2to1)
keeper.setDelegation(ctx, bond2to2)
keeper.setDelegation(ctx, bond2to3)
// test all bond retrieve capabilities
resBonds := keeper.GetDelegations(ctx, addrDels[0], 5)
require.Equal(t, 3, len(resBonds))
assert.True(t, bond1to1.equal(resBonds[0]))
assert.True(t, bond1to2.equal(resBonds[1]))
assert.True(t, bond1to3.equal(resBonds[2]))
resBonds = keeper.GetDelegations(ctx, addrDels[0], 3)
require.Equal(t, 3, len(resBonds))
resBonds = keeper.GetDelegations(ctx, addrDels[0], 2)
require.Equal(t, 2, len(resBonds))
resBonds = keeper.GetDelegations(ctx, addrDels[1], 5)
require.Equal(t, 3, len(resBonds))
assert.True(t, bond2to1.equal(resBonds[0]))
assert.True(t, bond2to2.equal(resBonds[1]))
assert.True(t, bond2to3.equal(resBonds[2]))
allBonds := keeper.getBonds(ctx, 1000)
require.Equal(t, 6, len(allBonds))
assert.True(t, bond1to1.equal(allBonds[0]))
assert.True(t, bond1to2.equal(allBonds[1]))
assert.True(t, bond1to3.equal(allBonds[2]))
assert.True(t, bond2to1.equal(allBonds[3]))
assert.True(t, bond2to2.equal(allBonds[4]))
assert.True(t, bond2to3.equal(allBonds[5]))
// delete a record
keeper.removeDelegation(ctx, bond2to3)
_, found = keeper.GetDelegation(ctx, addrDels[1], addrVals[2])
assert.False(t, found)
resBonds = keeper.GetDelegations(ctx, addrDels[1], 5)
require.Equal(t, 2, len(resBonds))
assert.True(t, bond2to1.equal(resBonds[0]))
assert.True(t, bond2to2.equal(resBonds[1]))
// delete all the records from delegator 2
keeper.removeDelegation(ctx, bond2to1)
keeper.removeDelegation(ctx, bond2to2)
_, found = keeper.GetDelegation(ctx, addrDels[1], addrVals[0])
assert.False(t, found)
_, found = keeper.GetDelegation(ctx, addrDels[1], addrVals[1])
assert.False(t, found)
resBonds = keeper.GetDelegations(ctx, addrDels[1], 5)
require.Equal(t, 0, len(resBonds))
}
func TestParams(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
expParams := defaultParams()
//check that the empty keeper loads the default
resParams := keeper.GetParams(ctx)
assert.True(t, expParams.equal(resParams))
//modify a params, save, and retrieve
expParams.MaxValidators = 777
keeper.setParams(ctx, expParams)
resParams = keeper.GetParams(ctx)
assert.True(t, expParams.equal(resParams))
}
func TestPool(t *testing.T) {
ctx, _, keeper := createTestInput(t, false, 0)
expPool := initialPool()
//check that the empty keeper loads the default
resPool := keeper.GetPool(ctx)
assert.True(t, expPool.equal(resPool))
//modify a params, save, and retrieve
expPool.TotalSupply = 777
keeper.setPool(ctx, expPool)
resPool = keeper.GetPool(ctx)
assert.True(t, expPool.equal(resPool))
}