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Use agreement round when estimating a node's proposal interval
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| // Copyright (C) 2019-2024 Algorand, Inc. | ||
| // This file is part of go-algorand | ||
| // | ||
| // go-algorand is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as | ||
| // published by the Free Software Foundation, either version 3 of the | ||
| // License, or (at your option) any later version. | ||
| // | ||
| // go-algorand is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with go-algorand. If not, see <https://www.gnu.org/licenses/>. | ||
|
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| package suspension | ||
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| import ( | ||
| "fmt" | ||
| "path/filepath" | ||
| "testing" | ||
| "time" | ||
|
|
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| "github.com/stretchr/testify/require" | ||
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|
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| "github.com/algorand/go-algorand/daemon/algod/api/server/v2/generated/model" | ||
| "github.com/algorand/go-algorand/data/basics" | ||
| "github.com/algorand/go-algorand/data/transactions" | ||
| "github.com/algorand/go-algorand/libgoal" | ||
| "github.com/algorand/go-algorand/protocol" | ||
| "github.com/algorand/go-algorand/test/framework/fixtures" | ||
| "github.com/algorand/go-algorand/test/partitiontest" | ||
| ) | ||
|
|
||
| // TestWhaleJoin shows a "whale" with more stake than is currently online can go | ||
| // online without immediate suspension. This tests for a bug we had where we | ||
| // calcululated expected proposal interval using the _old_ totals, rather than | ||
| // the totals following the keyreg. So big joiner could be expected to propose | ||
| // in the same block they joined. | ||
| func TestWhaleJoin(t *testing.T) { | ||
| partitiontest.PartitionTest(t) | ||
| defer fixtures.ShutdownSynchronizedTest(t) | ||
|
|
||
| t.Parallel() | ||
| a := require.New(fixtures.SynchronizedTest(t)) | ||
|
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| var fixture fixtures.RestClientFixture | ||
| // Make rounds shorter and seed lookback smaller, otherwise we need to wait | ||
| // 320 slow rounds for particpation effects to matter. | ||
| const lookback = 32 | ||
| fixture.FasterConsensus(protocol.ConsensusFuture, time.Second, lookback) | ||
| fixture.Setup(t, filepath.Join("nettemplates", "Payouts.json")) | ||
| defer fixture.Shutdown() | ||
|
|
||
| // Overview of this test: | ||
| // 1. Take wallet15 offline (but retain keys so can back online later) | ||
| // 2. Have wallet01 spend almost all their algos | ||
| // 3. Wait for balances to flow through "lookback" | ||
| // 4. Rejoin wallet15 which will have way more stake that what is online. | ||
|
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| clientAndAccount := func(name string) (libgoal.Client, model.Account) { | ||
| c := fixture.GetLibGoalClientForNamedNode(name) | ||
| accounts, err := fixture.GetNodeWalletsSortedByBalance(c) | ||
| a.NoError(err) | ||
| a.Len(accounts, 1) | ||
| fmt.Printf("Client %s is %v\n", name, accounts[0].Address) | ||
| return c, accounts[0] | ||
| } | ||
|
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| c15, account15 := clientAndAccount("Node15") | ||
| c01, account01 := clientAndAccount("Node01") | ||
|
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| // 1. take wallet15 offline | ||
| keys := offline(&fixture, a, c15, account15.Address) | ||
|
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| // 2. c01 starts with 100M, so burn 99.9M to get total online stake down | ||
| burn, err := c01.SendPaymentFromUnencryptedWallet(account01.Address, basics.Address{}.String(), | ||
| 1000, 99_900_000_000_000, nil) | ||
| a.NoError(err) | ||
| receipt, err := fixture.WaitForConfirmedTxn(uint64(burn.LastValid), burn.ID().String()) | ||
| a.NoError(err) | ||
|
|
||
| // 3. Wait lookback rounds | ||
| _, err = c01.WaitForRound(*receipt.ConfirmedRound + lookback) | ||
| a.NoError(err) | ||
|
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| // 4. rejoin, with 1.5B against the paltry 100k that's currently online | ||
| online(&fixture, a, c15, account15.Address, keys) | ||
| } | ||
|
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| // Go offline, but return the key material so it's easy to go back online | ||
| func offline(f *fixtures.RestClientFixture, a *require.Assertions, client libgoal.Client, address string) transactions.KeyregTxnFields { | ||
| offTx, err := client.MakeUnsignedGoOfflineTx(address, 0, 0, 100_000, [32]byte{}) | ||
| a.NoError(err) | ||
|
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| data, err := client.AccountData(address) | ||
| a.NoError(err) | ||
| keys := transactions.KeyregTxnFields{ | ||
| VotePK: data.VoteID, | ||
| SelectionPK: data.SelectionID, | ||
| StateProofPK: data.StateProofID, | ||
| VoteFirst: data.VoteFirstValid, | ||
| VoteLast: data.VoteLastValid, | ||
| VoteKeyDilution: data.VoteKeyDilution, | ||
| } | ||
|
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||
| wh, err := client.GetUnencryptedWalletHandle() | ||
| a.NoError(err) | ||
| onlineTxID, err := client.SignAndBroadcastTransaction(wh, nil, offTx) | ||
| a.NoError(err) | ||
| txn, err := f.WaitForConfirmedTxn(uint64(offTx.LastValid), onlineTxID) | ||
| a.NoError(err) | ||
| // sync up with the network | ||
| _, err = client.WaitForRound(*txn.ConfirmedRound) | ||
| a.NoError(err) | ||
| data, err = client.AccountData(address) | ||
| a.NoError(err) | ||
| a.Equal(basics.Offline, data.Status) | ||
| return keys | ||
| } | ||
|
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| // Go online with the supplied key material | ||
| func online(f *fixtures.RestClientFixture, a *require.Assertions, client libgoal.Client, address string, keys transactions.KeyregTxnFields) { | ||
| // sanity check that we start offline | ||
| data, err := client.AccountData(address) | ||
| a.NoError(err) | ||
| a.Equal(basics.Offline, data.Status) | ||
|
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||
| // make an empty keyreg, we'll copy in the keys | ||
| onTx, err := client.MakeUnsignedGoOfflineTx(address, 0, 0, 100_000, [32]byte{}) | ||
| a.NoError(err) | ||
|
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| onTx.KeyregTxnFields = keys | ||
| wh, err := client.GetUnencryptedWalletHandle() | ||
| a.NoError(err) | ||
| onlineTxID, err := client.SignAndBroadcastTransaction(wh, nil, onTx) | ||
| a.NoError(err) | ||
| _, err = f.WaitForConfirmedTxn(uint64(onTx.LastValid), onlineTxID) | ||
| a.NoError(err) | ||
| data, err = client.AccountData(address) | ||
| a.NoError(err) | ||
| // Before bug fix, the account would be suspended in the same round of the | ||
| // keyreg, so it would not be online. | ||
| a.Equal(basics.Online, data.Status) | ||
| } |