175 lines
6.0 KiB
Go
175 lines
6.0 KiB
Go
package slashing
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import (
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"encoding/hex"
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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abci "github.com/tendermint/abci/types"
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crypto "github.com/tendermint/go-crypto"
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dbm "github.com/tendermint/tmlibs/db"
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"github.com/tendermint/tmlibs/log"
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"github.com/cosmos/cosmos-sdk/store"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/wire"
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"github.com/cosmos/cosmos-sdk/x/auth"
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"github.com/cosmos/cosmos-sdk/x/bank"
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"github.com/cosmos/cosmos-sdk/x/stake"
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)
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var (
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addrs = []sdk.Address{
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testAddr("A58856F0FD53BF058B4909A21AEC019107BA6160"),
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testAddr("A58856F0FD53BF058B4909A21AEC019107BA6161"),
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}
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pks = []crypto.PubKey{
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newPubKey("0B485CFC0EECC619440448436F8FC9DF40566F2369E72400281454CB552AFB50"),
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newPubKey("0B485CFC0EECC619440448436F8FC9DF40566F2369E72400281454CB552AFB51"),
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}
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initCoins int64 = 200
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)
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func createTestCodec() *wire.Codec {
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cdc := wire.NewCodec()
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sdk.RegisterWire(cdc)
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auth.RegisterWire(cdc)
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bank.RegisterWire(cdc)
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stake.RegisterWire(cdc)
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wire.RegisterCrypto(cdc)
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return cdc
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}
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func createTestInput(t *testing.T) (sdk.Context, bank.Keeper, stake.Keeper, Keeper) {
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keyAcc := sdk.NewKVStoreKey("acc")
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keyStake := sdk.NewKVStoreKey("stake")
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keySlashing := sdk.NewKVStoreKey("slashing")
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db := dbm.NewMemDB()
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ms := store.NewCommitMultiStore(db)
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ms.MountStoreWithDB(keyAcc, sdk.StoreTypeIAVL, db)
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ms.MountStoreWithDB(keyStake, sdk.StoreTypeIAVL, db)
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ms.MountStoreWithDB(keySlashing, sdk.StoreTypeIAVL, db)
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err := ms.LoadLatestVersion()
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require.Nil(t, err)
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ctx := sdk.NewContext(ms, abci.Header{}, false, nil, log.NewTMLogger(os.Stdout), nil)
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cdc := createTestCodec()
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accountMapper := auth.NewAccountMapper(cdc, keyAcc, &auth.BaseAccount{})
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ck := bank.NewKeeper(accountMapper)
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sk := stake.NewKeeper(cdc, keyStake, ck, stake.DefaultCodespace)
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genesis := stake.DefaultGenesisState()
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genesis.Pool.LooseUnbondedTokens = initCoins * int64(len(addrs))
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stake.InitGenesis(ctx, sk, genesis)
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for _, addr := range addrs {
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ck.AddCoins(ctx, addr, sdk.Coins{
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{sk.GetParams(ctx).BondDenom, initCoins},
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})
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}
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keeper := NewKeeper(cdc, keySlashing, sk, DefaultCodespace)
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return ctx, ck, sk, keeper
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}
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func TestHandleDoubleSign(t *testing.T) {
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ctx, ck, sk, keeper := createTestInput(t)
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addr, val, amt := addrs[0], pks[0], int64(100)
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got := stake.NewHandler(sk)(ctx, newTestMsgDeclareCandidacy(addr, val, amt))
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require.True(t, got.IsOK())
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_ = sk.Tick(ctx)
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require.Equal(t, ck.GetCoins(ctx, addr), sdk.Coins{{sk.GetParams(ctx).BondDenom, initCoins - amt}})
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require.Equal(t, sdk.NewRat(amt), sk.Validator(ctx, addr).GetPower())
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keeper.handleDoubleSign(ctx, 0, 0, val) // double sign less than max age
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require.Equal(t, sdk.NewRat(amt).Mul(sdk.NewRat(19).Quo(sdk.NewRat(20))), sk.Validator(ctx, addr).GetPower())
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ctx = ctx.WithBlockHeader(abci.Header{Time: 300})
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keeper.handleDoubleSign(ctx, 0, 0, val) // double sign past max age
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require.Equal(t, sdk.NewRat(amt).Mul(sdk.NewRat(19).Quo(sdk.NewRat(20))), sk.Validator(ctx, addr).GetPower())
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}
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func TestHandleAbsentValidator(t *testing.T) {
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ctx, ck, sk, keeper := createTestInput(t)
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addr, val, amt := addrs[0], pks[0], int64(100)
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sh := stake.NewHandler(sk)
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slh := NewHandler(keeper)
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got := sh(ctx, newTestMsgDeclareCandidacy(addr, val, amt))
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require.True(t, got.IsOK())
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_ = sk.Tick(ctx)
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require.Equal(t, ck.GetCoins(ctx, addr), sdk.Coins{{sk.GetParams(ctx).BondDenom, initCoins - amt}})
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require.Equal(t, sdk.NewRat(amt), sk.Validator(ctx, addr).GetPower())
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info, found := keeper.getValidatorSigningInfo(ctx, val.Address())
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require.False(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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require.Equal(t, int64(0), info.SignedBlocksCounter)
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height := int64(0)
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// 1000 blocks OK
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for ; height < 1000; height++ {
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ctx = ctx.WithBlockHeight(height)
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keeper.handleValidatorSignature(ctx, val, true)
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}
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info, found = keeper.getValidatorSigningInfo(ctx, val.Address())
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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require.Equal(t, SignedBlocksWindow, info.SignedBlocksCounter)
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// 50 blocks missed
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for ; height < 1050; height++ {
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ctx = ctx.WithBlockHeight(height)
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keeper.handleValidatorSignature(ctx, val, false)
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}
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info, found = keeper.getValidatorSigningInfo(ctx, val.Address())
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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require.Equal(t, SignedBlocksWindow-50, info.SignedBlocksCounter)
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// should be bonded still
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validator := sk.ValidatorByPubKey(ctx, val)
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require.Equal(t, sdk.Bonded, validator.GetStatus())
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pool := sk.GetPool(ctx)
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require.Equal(t, int64(100), pool.BondedTokens)
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// 51st block missed
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ctx = ctx.WithBlockHeight(height)
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keeper.handleValidatorSignature(ctx, val, false)
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info, found = keeper.getValidatorSigningInfo(ctx, val.Address())
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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require.Equal(t, SignedBlocksWindow-51, info.SignedBlocksCounter)
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height++
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// should have been revoked
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validator = sk.ValidatorByPubKey(ctx, val)
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require.Equal(t, sdk.Unbonded, validator.GetStatus())
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got = slh(ctx, NewMsgUnrevoke(addr))
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require.False(t, got.IsOK()) // should fail prior to jail expiration
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ctx = ctx.WithBlockHeader(abci.Header{Time: int64(86400 * 2)})
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got = slh(ctx, NewMsgUnrevoke(addr))
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require.True(t, got.IsOK()) // should succeed after jail expiration
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validator = sk.ValidatorByPubKey(ctx, val)
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require.Equal(t, sdk.Bonded, validator.GetStatus())
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// should have been slashed
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pool = sk.GetPool(ctx)
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require.Equal(t, int64(99), pool.BondedTokens)
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}
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func newPubKey(pk string) (res crypto.PubKey) {
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pkBytes, err := hex.DecodeString(pk)
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if err != nil {
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panic(err)
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}
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var pkEd crypto.PubKeyEd25519
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copy(pkEd[:], pkBytes[:])
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return pkEd
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}
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func testAddr(addr string) sdk.Address {
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res, err := sdk.GetAddress(addr)
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if err != nil {
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panic(err)
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}
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return res
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}
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func newTestMsgDeclareCandidacy(address sdk.Address, pubKey crypto.PubKey, amt int64) stake.MsgDeclareCandidacy {
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return stake.MsgDeclareCandidacy{
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Description: stake.Description{},
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ValidatorAddr: address,
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PubKey: pubKey,
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Bond: sdk.Coin{"steak", amt},
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}
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}
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