308 lines
11 KiB
Go
308 lines
11 KiB
Go
package stake
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import (
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"bytes"
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"testing"
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sdk "github.com/cosmos/cosmos-sdk/types"
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crypto "github.com/tendermint/go-crypto"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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var (
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addrDel1 = addrs[0]
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addrDel2 = addrs[1]
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addrVal1 = addrs[2]
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addrVal2 = addrs[3]
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addrVal3 = addrs[4]
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pk1 = crypto.GenPrivKeyEd25519().PubKey()
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pk2 = crypto.GenPrivKeyEd25519().PubKey()
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pk3 = crypto.GenPrivKeyEd25519().PubKey()
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candidate1 = Candidate{
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Address: addrVal1,
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PubKey: pk1,
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Assets: sdk.NewRat(9),
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Liabilities: sdk.NewRat(9),
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}
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candidate2 = Candidate{
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Address: addrVal2,
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PubKey: pk2,
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Assets: sdk.NewRat(9),
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Liabilities: sdk.NewRat(9),
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}
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candidate3 = Candidate{
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Address: addrVal3,
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PubKey: pk3,
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Assets: sdk.NewRat(9),
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Liabilities: sdk.NewRat(9),
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}
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)
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// This function tests GetCandidate, GetCandidates, setCandidate, removeCandidate
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func TestCandidate(t *testing.T) {
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ctx, _, keeper := createTestInput(t, nil, false, 0)
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candidatesEqual := func(c1, c2 Candidate) bool {
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return c1.Status == c2.Status &&
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c1.PubKey.Equals(c2.PubKey) &&
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bytes.Equal(c1.Address, c2.Address) &&
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c1.Assets.Equal(c2.Assets) &&
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c1.Liabilities.Equal(c2.Liabilities) &&
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c1.Description == c2.Description
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}
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// check the empty keeper first
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_, found := keeper.GetCandidate(ctx, addrVal1)
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assert.False(t, found)
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resCands := keeper.GetCandidates(ctx, 100)
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assert.Zero(t, len(resCands))
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// set and retrieve a record
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keeper.setCandidate(ctx, candidate1)
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resCand, found := keeper.GetCandidate(ctx, addrVal1)
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require.True(t, found)
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assert.True(t, candidatesEqual(candidate1, resCand), "%v \n %v", resCand, candidate1)
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// modify a records, save, and retrieve
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candidate1.Liabilities = sdk.NewRat(99)
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keeper.setCandidate(ctx, candidate1)
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resCand, found = keeper.GetCandidate(ctx, addrVal1)
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require.True(t, found)
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assert.True(t, candidatesEqual(candidate1, resCand))
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// also test that the address has been added to address list
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resCands = keeper.GetCandidates(ctx, 100)
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require.Equal(t, 1, len(resCands))
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assert.Equal(t, addrVal1, resCands[0].Address)
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// add other candidates
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keeper.setCandidate(ctx, candidate2)
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keeper.setCandidate(ctx, candidate3)
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resCand, found = keeper.GetCandidate(ctx, addrVal2)
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require.True(t, found)
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assert.True(t, candidatesEqual(candidate2, resCand), "%v \n %v", resCand, candidate2)
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resCand, found = keeper.GetCandidate(ctx, addrVal3)
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require.True(t, found)
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assert.True(t, candidatesEqual(candidate3, resCand), "%v \n %v", resCand, candidate3)
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resCands = keeper.GetCandidates(ctx, 100)
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require.Equal(t, 3, len(resCands))
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assert.True(t, candidatesEqual(candidate1, resCands[0]), "%v \n %v", resCands[0], candidate1)
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assert.True(t, candidatesEqual(candidate2, resCands[1]), "%v \n %v", resCands[1], candidate2)
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assert.True(t, candidatesEqual(candidate3, resCands[2]), "%v \n %v", resCands[2], candidate3)
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// remove a record
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keeper.removeCandidate(ctx, candidate2.Address)
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_, found = keeper.GetCandidate(ctx, addrVal2)
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assert.False(t, found)
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}
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// tests GetDelegatorBond, GetDelegatorBonds, SetDelegatorBond, removeDelegatorBond
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func TestBond(t *testing.T) {
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ctx, _, keeper := createTestInput(t, nil, false, 0)
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// first add a candidate1 to delegate too
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keeper.setCandidate(ctx, candidate1)
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bond1to1 := DelegatorBond{
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DelegatorAddr: addrDel1,
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CandidateAddr: addrVal1,
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Shares: sdk.NewRat(9),
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}
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bondsEqual := func(b1, b2 DelegatorBond) bool {
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return bytes.Equal(b1.DelegatorAddr, b2.DelegatorAddr) &&
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bytes.Equal(b1.CandidateAddr, b2.CandidateAddr) &&
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b1.Shares == b2.Shares
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}
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// check the empty keeper first
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_, found := keeper.getDelegatorBond(ctx, addrDel1, addrVal1)
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assert.False(t, found)
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// set and retrieve a record
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keeper.setDelegatorBond(ctx, bond1to1)
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resBond, found := keeper.getDelegatorBond(ctx, addrDel1, addrVal1)
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assert.True(t, found)
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assert.True(t, bondsEqual(bond1to1, resBond))
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// modify a records, save, and retrieve
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bond1to1.Shares = sdk.NewRat(99)
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keeper.setDelegatorBond(ctx, bond1to1)
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resBond, found = keeper.getDelegatorBond(ctx, addrDel1, addrVal1)
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assert.True(t, found)
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assert.True(t, bondsEqual(bond1to1, resBond))
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// add some more records
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keeper.setCandidate(ctx, candidate2)
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keeper.setCandidate(ctx, candidate3)
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bond1to2 := DelegatorBond{addrDel1, addrVal2, sdk.NewRat(9)}
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bond1to3 := DelegatorBond{addrDel1, addrVal3, sdk.NewRat(9)}
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bond2to1 := DelegatorBond{addrDel2, addrVal1, sdk.NewRat(9)}
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bond2to2 := DelegatorBond{addrDel2, addrVal2, sdk.NewRat(9)}
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bond2to3 := DelegatorBond{addrDel2, addrVal3, sdk.NewRat(9)}
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keeper.setDelegatorBond(ctx, bond1to2)
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keeper.setDelegatorBond(ctx, bond1to3)
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keeper.setDelegatorBond(ctx, bond2to1)
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keeper.setDelegatorBond(ctx, bond2to2)
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keeper.setDelegatorBond(ctx, bond2to3)
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// test all bond retrieve capabilities
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resBonds := keeper.getDelegatorBonds(ctx, addrDel1, 5)
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require.Equal(t, 3, len(resBonds))
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assert.True(t, bondsEqual(bond1to1, resBonds[0]))
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assert.True(t, bondsEqual(bond1to2, resBonds[1]))
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assert.True(t, bondsEqual(bond1to3, resBonds[2]))
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resBonds = keeper.getDelegatorBonds(ctx, addrDel1, 3)
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require.Equal(t, 3, len(resBonds))
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resBonds = keeper.getDelegatorBonds(ctx, addrDel1, 2)
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require.Equal(t, 2, len(resBonds))
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resBonds = keeper.getDelegatorBonds(ctx, addrDel2, 5)
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require.Equal(t, 3, len(resBonds))
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assert.True(t, bondsEqual(bond2to1, resBonds[0]))
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assert.True(t, bondsEqual(bond2to2, resBonds[1]))
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assert.True(t, bondsEqual(bond2to3, resBonds[2]))
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// delete a record
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keeper.removeDelegatorBond(ctx, bond2to3)
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_, found = keeper.getDelegatorBond(ctx, addrDel2, addrVal3)
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assert.False(t, found)
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resBonds = keeper.getDelegatorBonds(ctx, addrDel2, 5)
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require.Equal(t, 2, len(resBonds))
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assert.True(t, bondsEqual(bond2to1, resBonds[0]))
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assert.True(t, bondsEqual(bond2to2, resBonds[1]))
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// delete all the records from delegator 2
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keeper.removeDelegatorBond(ctx, bond2to1)
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keeper.removeDelegatorBond(ctx, bond2to2)
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_, found = keeper.getDelegatorBond(ctx, addrDel2, addrVal1)
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assert.False(t, found)
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_, found = keeper.getDelegatorBond(ctx, addrDel2, addrVal2)
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assert.False(t, found)
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resBonds = keeper.getDelegatorBonds(ctx, addrDel2, 5)
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require.Equal(t, 0, len(resBonds))
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}
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// TODO integrate in testing for equal validators, whichever one was a validator
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// first remains the validator https://github.com/cosmos/cosmos-sdk/issues/582
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func TestGetValidators(t *testing.T) {
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ctx, _, keeper := createTestInput(t, nil, false, 0)
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// initialize some candidates into the state
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amts := []int64{0, 100, 1, 400, 200}
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n := len(amts)
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candidates := make([]Candidate, n)
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for i := 0; i < n; i++ {
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c := Candidate{
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Status: Unbonded,
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PubKey: pks[i],
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Address: addrs[i],
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Assets: sdk.NewRat(amts[i]),
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Liabilities: sdk.NewRat(amts[i]),
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}
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keeper.setCandidate(ctx, c)
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candidates[i] = c
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}
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// first make sure everything as normal is ordered
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validators := keeper.GetValidators(ctx)
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require.Equal(t, len(validators), n)
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assert.Equal(t, sdk.NewRat(400), validators[0].VotingPower, "%v", validators)
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assert.Equal(t, sdk.NewRat(200), validators[1].VotingPower, "%v", validators)
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assert.Equal(t, sdk.NewRat(100), validators[2].VotingPower, "%v", validators)
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assert.Equal(t, sdk.NewRat(1), validators[3].VotingPower, "%v", validators)
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assert.Equal(t, sdk.NewRat(0), validators[4].VotingPower, "%v", validators)
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assert.Equal(t, candidates[3].Address, validators[0].Address, "%v", validators)
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assert.Equal(t, candidates[4].Address, validators[1].Address, "%v", validators)
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assert.Equal(t, candidates[1].Address, validators[2].Address, "%v", validators)
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assert.Equal(t, candidates[2].Address, validators[3].Address, "%v", validators)
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assert.Equal(t, candidates[0].Address, validators[4].Address, "%v", validators)
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// test a basic increase in voting power
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candidates[3].Assets = sdk.NewRat(500)
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keeper.setCandidate(ctx, candidates[3])
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validators = keeper.GetValidators(ctx)
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require.Equal(t, len(validators), n)
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assert.Equal(t, sdk.NewRat(500), validators[0].VotingPower, "%v", validators)
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assert.Equal(t, candidates[3].Address, validators[0].Address, "%v", validators)
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// test a decrease in voting power
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candidates[3].Assets = sdk.NewRat(300)
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keeper.setCandidate(ctx, candidates[3])
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validators = keeper.GetValidators(ctx)
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require.Equal(t, len(validators), n)
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assert.Equal(t, sdk.NewRat(300), validators[0].VotingPower, "%v", validators)
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assert.Equal(t, candidates[3].Address, validators[0].Address, "%v", validators)
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// test a swap in voting power
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candidates[0].Assets = sdk.NewRat(600)
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keeper.setCandidate(ctx, candidates[0])
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validators = keeper.GetValidators(ctx)
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require.Equal(t, len(validators), n)
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assert.Equal(t, sdk.NewRat(600), validators[0].VotingPower, "%v", validators)
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assert.Equal(t, candidates[0].Address, validators[0].Address, "%v", validators)
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assert.Equal(t, sdk.NewRat(300), validators[1].VotingPower, "%v", validators)
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assert.Equal(t, candidates[3].Address, validators[1].Address, "%v", validators)
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// test the max validators term
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params := keeper.GetParams(ctx)
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n = 2
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params.MaxValidators = uint16(n)
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keeper.setParams(ctx, params)
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validators = keeper.GetValidators(ctx)
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require.Equal(t, len(validators), n)
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assert.Equal(t, sdk.NewRat(600), validators[0].VotingPower, "%v", validators)
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assert.Equal(t, candidates[0].Address, validators[0].Address, "%v", validators)
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assert.Equal(t, sdk.NewRat(300), validators[1].VotingPower, "%v", validators)
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assert.Equal(t, candidates[3].Address, validators[1].Address, "%v", validators)
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}
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// TODO
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// test the mechanism which keeps track of a validator set change
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func TestGetAccUpdateValidators(t *testing.T) {
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//TODO
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// test from nothing to something
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// test from something to nothing
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// test identical
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// test single value change
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// test multiple value change
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// test validator added at the beginning
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// test validator added in the middle
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// test validator added at the end
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// test multiple validators removed
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}
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// clear the tracked changes to the validator set
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func TestClearAccUpdateValidators(t *testing.T) {
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//TODO
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}
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// test if is a validator from the last update
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func TestIsRecentValidator(t *testing.T) {
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//TODO
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// test that an empty validator set doesn't have any validators
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// get the validators for the first time
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// test a basic retrieve of something that should be a recent validator
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// test a basic retrieve of something that should not be a recent validator
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// remove that validator, but don't retrieve the recent validator group
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// test that removed validator is not considered a recent validator
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}
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func TestParams(t *testing.T) {
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ctx, _, keeper := createTestInput(t, nil, false, 0)
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expParams := defaultParams()
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//check that the empty keeper loads the default
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resParams := keeper.GetParams(ctx)
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assert.Equal(t, expParams, resParams)
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//modify a params, save, and retrieve
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expParams.MaxValidators = 777
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keeper.setParams(ctx, expParams)
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resParams = keeper.GetParams(ctx)
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assert.Equal(t, expParams, resParams)
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}
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