309 lines
12 KiB
Go
309 lines
12 KiB
Go
package stake
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import (
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"strconv"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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crypto "github.com/tendermint/go-crypto"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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//______________________________________________________________________
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func newTestMsgDeclareCandidacy(address sdk.Address, pubKey crypto.PubKey, amt int64) MsgDeclareCandidacy {
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return MsgDeclareCandidacy{
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Description: Description{},
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CandidateAddr: address,
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Bond: sdk.Coin{"fermion", amt},
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PubKey: pubKey,
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}
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}
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func newTestMsgDelegate(delegatorAddr, candidateAddr sdk.Address, amt int64) MsgDelegate {
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return MsgDelegate{
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DelegatorAddr: delegatorAddr,
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CandidateAddr: candidateAddr,
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Bond: sdk.Coin{"fermion", amt},
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}
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}
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//______________________________________________________________________
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func TestDuplicatesMsgDeclareCandidacy(t *testing.T) {
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ctx, _, keeper := createTestInput(t, false, 1000)
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candidateAddr := addrs[0]
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pk := pks[0]
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msgDeclareCandidacy := newTestMsgDeclareCandidacy(candidateAddr, pk, 10)
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got := handleMsgDeclareCandidacy(ctx, msgDeclareCandidacy, keeper)
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assert.True(t, got.IsOK(), "%v", got)
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candidate, found := keeper.GetCandidate(ctx, candidateAddr)
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require.True(t, found)
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assert.Equal(t, Unbonded, candidate.Status)
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assert.Equal(t, candidateAddr, candidate.Address)
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assert.Equal(t, pk, candidate.PubKey)
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assert.Equal(t, sdk.NewRat(10), candidate.Assets)
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assert.Equal(t, sdk.NewRat(10), candidate.Liabilities)
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assert.Equal(t, Description{}, candidate.Description)
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// one candidate cannot bond twice
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msgDeclareCandidacy.PubKey = pks[1]
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got = handleMsgDeclareCandidacy(ctx, msgDeclareCandidacy, keeper)
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assert.False(t, got.IsOK(), "%v", got)
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}
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func TestIncrementsMsgDelegate(t *testing.T) {
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initBond := int64(1000)
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ctx, accMapper, keeper := createTestInput(t, false, initBond)
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params := keeper.GetParams(ctx)
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bondAmount := int64(10)
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candidateAddr, delegatorAddr := addrs[0], addrs[1]
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// first declare candidacy
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msgDeclareCandidacy := newTestMsgDeclareCandidacy(candidateAddr, pks[0], bondAmount)
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got := handleMsgDeclareCandidacy(ctx, msgDeclareCandidacy, keeper)
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assert.True(t, got.IsOK(), "expected declare candidacy msg to be ok, got %v", got)
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candidate, found := keeper.GetCandidate(ctx, candidateAddr)
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require.True(t, found)
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assert.Equal(t, bondAmount, candidate.Liabilities.Evaluate())
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assert.Equal(t, bondAmount, candidate.Assets.Evaluate())
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// just send the same msgbond multiple times
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msgDelegate := newTestMsgDelegate(delegatorAddr, candidateAddr, bondAmount)
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for i := 0; i < 5; i++ {
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got := handleMsgDelegate(ctx, msgDelegate, keeper)
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require.True(t, got.IsOK(), "expected msg %d to be ok, got %v", i, got)
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//Check that the accounts and the bond account have the appropriate values
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candidate, found := keeper.GetCandidate(ctx, candidateAddr)
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require.True(t, found)
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bond, found := keeper.getDelegatorBond(ctx, delegatorAddr, candidateAddr)
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require.True(t, found)
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expBond := int64(i+1) * bondAmount
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expLiabilities := int64(i+2) * bondAmount // (1 self delegation)
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expDelegatorAcc := initBond - expBond
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gotBond := bond.Shares.Evaluate()
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gotLiabilities := candidate.Liabilities.Evaluate()
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gotDelegatorAcc := accMapper.GetAccount(ctx, delegatorAddr).GetCoins().AmountOf(params.BondDenom)
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require.Equal(t, expBond, gotBond,
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"i: %v\nexpBond: %v\ngotBond: %v\ncandidate: %v\nbond: %v\n",
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i, expBond, gotBond, candidate, bond)
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require.Equal(t, expLiabilities, gotLiabilities,
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"i: %v\nexpLiabilities: %v\ngotLiabilities: %v\ncandidate: %v\nbond: %v\n",
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i, expLiabilities, gotLiabilities, candidate, bond)
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require.Equal(t, expDelegatorAcc, gotDelegatorAcc,
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"i: %v\nexpDelegatorAcc: %v\ngotDelegatorAcc: %v\ncandidate: %v\nbond: %v\n",
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i, expDelegatorAcc, gotDelegatorAcc, candidate, bond)
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}
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}
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func TestIncrementsMsgUnbond(t *testing.T) {
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initBond := int64(1000)
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ctx, accMapper, keeper := createTestInput(t, false, initBond)
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params := keeper.GetParams(ctx)
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// declare candidacy, delegate
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candidateAddr, delegatorAddr := addrs[0], addrs[1]
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msgDeclareCandidacy := newTestMsgDeclareCandidacy(candidateAddr, pks[0], initBond)
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got := handleMsgDeclareCandidacy(ctx, msgDeclareCandidacy, keeper)
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assert.True(t, got.IsOK(), "expected declare-candidacy to be ok, got %v", got)
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msgDelegate := newTestMsgDelegate(delegatorAddr, candidateAddr, initBond)
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got = handleMsgDelegate(ctx, msgDelegate, keeper)
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assert.True(t, got.IsOK(), "expected delegation to be ok, got %v", got)
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candidate, found := keeper.GetCandidate(ctx, candidateAddr)
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require.True(t, found)
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assert.Equal(t, initBond*2, candidate.Liabilities.Evaluate())
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assert.Equal(t, initBond*2, candidate.Assets.Evaluate())
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// just send the same msgUnbond multiple times
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// TODO use decimals here
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unbondShares, unbondSharesStr := int64(10), "10"
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msgUnbond := NewMsgUnbond(delegatorAddr, candidateAddr, unbondSharesStr)
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numUnbonds := 5
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for i := 0; i < numUnbonds; i++ {
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got := handleMsgUnbond(ctx, msgUnbond, keeper)
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require.True(t, got.IsOK(), "expected msg %d to be ok, got %v", i, got)
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//Check that the accounts and the bond account have the appropriate values
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candidate, found = keeper.GetCandidate(ctx, candidateAddr)
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require.True(t, found)
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bond, found := keeper.getDelegatorBond(ctx, delegatorAddr, candidateAddr)
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require.True(t, found)
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expBond := initBond - int64(i+1)*unbondShares
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expLiabilities := 2*initBond - int64(i+1)*unbondShares
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expDelegatorAcc := initBond - expBond
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gotBond := bond.Shares.Evaluate()
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gotLiabilities := candidate.Liabilities.Evaluate()
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gotDelegatorAcc := accMapper.GetAccount(ctx, delegatorAddr).GetCoins().AmountOf(params.BondDenom)
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require.Equal(t, expBond, gotBond,
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"i: %v\nexpBond: %v\ngotBond: %v\ncandidate: %v\nbond: %v\n",
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i, expBond, gotBond, candidate, bond)
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require.Equal(t, expLiabilities, gotLiabilities,
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"i: %v\nexpLiabilities: %v\ngotLiabilities: %v\ncandidate: %v\nbond: %v\n",
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i, expLiabilities, gotLiabilities, candidate, bond)
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require.Equal(t, expDelegatorAcc, gotDelegatorAcc,
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"i: %v\nexpDelegatorAcc: %v\ngotDelegatorAcc: %v\ncandidate: %v\nbond: %v\n",
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i, expDelegatorAcc, gotDelegatorAcc, candidate, bond)
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}
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// these are more than we have bonded now
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errorCases := []int64{
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//1<<64 - 1, // more than int64
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//1<<63 + 1, // more than int64
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1<<63 - 1,
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1 << 31,
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initBond,
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}
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for _, c := range errorCases {
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unbondShares := strconv.Itoa(int(c))
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msgUnbond := NewMsgUnbond(delegatorAddr, candidateAddr, unbondShares)
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got = handleMsgUnbond(ctx, msgUnbond, keeper)
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require.False(t, got.IsOK(), "expected unbond msg to fail")
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}
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leftBonded := initBond - unbondShares*int64(numUnbonds)
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// should be unable to unbond one more than we have
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unbondSharesStr = strconv.Itoa(int(leftBonded) + 1)
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msgUnbond = NewMsgUnbond(delegatorAddr, candidateAddr, unbondSharesStr)
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got = handleMsgUnbond(ctx, msgUnbond, keeper)
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assert.False(t, got.IsOK(),
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"got: %v\nmsgUnbond: %v\nshares: %v\nleftBonded: %v\n", got, msgUnbond, unbondSharesStr, leftBonded)
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// should be able to unbond just what we have
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unbondSharesStr = strconv.Itoa(int(leftBonded))
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msgUnbond = NewMsgUnbond(delegatorAddr, candidateAddr, unbondSharesStr)
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got = handleMsgUnbond(ctx, msgUnbond, keeper)
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assert.True(t, got.IsOK(),
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"got: %v\nmsgUnbond: %v\nshares: %v\nleftBonded: %v\n", got, msgUnbond, unbondSharesStr, leftBonded)
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}
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func TestMultipleMsgDeclareCandidacy(t *testing.T) {
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initBond := int64(1000)
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ctx, accMapper, keeper := createTestInput(t, false, initBond)
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params := keeper.GetParams(ctx)
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candidateAddrs := []sdk.Address{addrs[0], addrs[1], addrs[2]}
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// bond them all
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for i, candidateAddr := range candidateAddrs {
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msgDeclareCandidacy := newTestMsgDeclareCandidacy(candidateAddr, pks[i], 10)
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got := handleMsgDeclareCandidacy(ctx, msgDeclareCandidacy, keeper)
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require.True(t, got.IsOK(), "expected msg %d to be ok, got %v", i, got)
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//Check that the account is bonded
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candidates := keeper.GetCandidates(ctx, 100)
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require.Equal(t, (i + 1), len(candidates))
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val := candidates[i]
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balanceExpd := initBond - 10
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balanceGot := accMapper.GetAccount(ctx, val.Address).GetCoins().AmountOf(params.BondDenom)
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require.Equal(t, i+1, len(candidates), "expected %d candidates got %d, candidates: %v", i+1, len(candidates), candidates)
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require.Equal(t, 10, int(val.Liabilities.Evaluate()), "expected %d shares, got %d", 10, val.Liabilities)
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require.Equal(t, balanceExpd, balanceGot, "expected account to have %d, got %d", balanceExpd, balanceGot)
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}
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// unbond them all
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for i, candidateAddr := range candidateAddrs {
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candidatePre, found := keeper.GetCandidate(ctx, candidateAddr)
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require.True(t, found)
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msgUnbond := NewMsgUnbond(candidateAddr, candidateAddr, "10") // self-delegation
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got := handleMsgUnbond(ctx, msgUnbond, keeper)
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require.True(t, got.IsOK(), "expected msg %d to be ok, got %v", i, got)
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//Check that the account is unbonded
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candidates := keeper.GetCandidates(ctx, 100)
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require.Equal(t, len(candidateAddrs)-(i+1), len(candidates),
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"expected %d candidates got %d", len(candidateAddrs)-(i+1), len(candidates))
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_, found = keeper.GetCandidate(ctx, candidateAddr)
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require.False(t, found)
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expBalance := initBond
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gotBalance := accMapper.GetAccount(ctx, candidatePre.Address).GetCoins().AmountOf(params.BondDenom)
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require.Equal(t, expBalance, gotBalance, "expected account to have %d, got %d", expBalance, gotBalance)
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}
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}
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func TestMultipleMsgDelegate(t *testing.T) {
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ctx, _, keeper := createTestInput(t, false, 1000)
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candidateAddr, delegatorAddrs := addrs[0], addrs[1:]
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//first make a candidate
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msgDeclareCandidacy := newTestMsgDeclareCandidacy(candidateAddr, pks[0], 10)
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got := handleMsgDeclareCandidacy(ctx, msgDeclareCandidacy, keeper)
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require.True(t, got.IsOK(), "expected msg to be ok, got %v", got)
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// delegate multiple parties
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for i, delegatorAddr := range delegatorAddrs {
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msgDelegate := newTestMsgDelegate(delegatorAddr, candidateAddr, 10)
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got := handleMsgDelegate(ctx, msgDelegate, keeper)
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require.True(t, got.IsOK(), "expected msg %d to be ok, got %v", i, got)
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//Check that the account is bonded
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bond, found := keeper.getDelegatorBond(ctx, delegatorAddr, candidateAddr)
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require.True(t, found)
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require.NotNil(t, bond, "expected delegatee bond %d to exist", bond)
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}
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// unbond them all
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for i, delegatorAddr := range delegatorAddrs {
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msgUnbond := NewMsgUnbond(delegatorAddr, candidateAddr, "10")
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got := handleMsgUnbond(ctx, msgUnbond, keeper)
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require.True(t, got.IsOK(), "expected msg %d to be ok, got %v", i, got)
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//Check that the account is unbonded
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_, found := keeper.getDelegatorBond(ctx, delegatorAddr, candidateAddr)
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require.False(t, found)
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}
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}
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func TestVoidCandidacy(t *testing.T) {
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ctx, _, keeper := createTestInput(t, false, 1000)
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candidateAddr, delegatorAddr := addrs[0], addrs[1]
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// create the candidate
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msgDeclareCandidacy := newTestMsgDeclareCandidacy(candidateAddr, pks[0], 10)
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got := handleMsgDeclareCandidacy(ctx, msgDeclareCandidacy, keeper)
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require.True(t, got.IsOK(), "expected no error on runMsgDeclareCandidacy")
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// bond a delegator
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msgDelegate := newTestMsgDelegate(delegatorAddr, candidateAddr, 10)
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got = handleMsgDelegate(ctx, msgDelegate, keeper)
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require.True(t, got.IsOK(), "expected ok, got %v", got)
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// unbond the candidates bond portion
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msgUnbondCandidate := NewMsgUnbond(candidateAddr, candidateAddr, "10")
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got = handleMsgUnbond(ctx, msgUnbondCandidate, keeper)
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require.True(t, got.IsOK(), "expected no error on runMsgDeclareCandidacy")
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candidate, found := keeper.GetCandidate(ctx, candidateAddr)
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require.True(t, found)
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require.Equal(t, Revoked, candidate.Status)
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// test that this address cannot yet be bonded too because is revoked
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got = handleMsgDelegate(ctx, msgDelegate, keeper)
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assert.False(t, got.IsOK(), "expected error, got %v", got)
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// test that the delegator can still withdraw their bonds
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msgUnbondDelegator := NewMsgUnbond(delegatorAddr, candidateAddr, "10")
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got = handleMsgUnbond(ctx, msgUnbondDelegator, keeper)
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require.True(t, got.IsOK(), "expected no error on runMsgDeclareCandidacy")
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// verify that the pubkey can now be reused
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got = handleMsgDeclareCandidacy(ctx, msgDeclareCandidacy, keeper)
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assert.True(t, got.IsOK(), "expected ok, got %v", got)
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}
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