80 lines
2.6 KiB
Go
80 lines
2.6 KiB
Go
package itests
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import (
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"context"
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"fmt"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/types/ethtypes"
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"github.com/filecoin-project/lotus/itests/kit"
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)
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// TestEthBlockHashesCorrect_MultiBlockTipset validates that blocks retrieved through
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// EthGetBlockByNumber are identical to blocks retrieved through
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// EthGetBlockByHash, when using the block hash returned by the former.
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//
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// Specifically, it checks the system behaves correctly with multiblock tipsets.
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//
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// Catches regressions around https://github.com/filecoin-project/lotus/issues/10061.
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func TestEthBlockHashesCorrect_MultiBlockTipset(t *testing.T) {
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// miner is connected to the first node, and we want to observe the chain
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// from the second node.
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blocktime := 250 * time.Millisecond
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n1, m1, m2, ens := kit.EnsembleOneTwo(t,
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kit.MockProofs(),
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kit.ThroughRPC(),
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)
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ens.InterconnectAll().BeginMining(blocktime)
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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n1.WaitTillChain(ctx, kit.HeightAtLeast(abi.ChainEpoch(5)))
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defer cancel()
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var n2 kit.TestFullNode
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ens.FullNode(&n2, kit.ThroughRPC()).Start().Connect(n2, n1)
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// find the first tipset where all miners mined a block.
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ctx, cancel = context.WithTimeout(context.Background(), 5*time.Minute)
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n2.WaitTillChain(ctx, kit.BlocksMinedByAll(m1.ActorAddr, m2.ActorAddr))
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defer cancel()
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head, err := n2.ChainHead(context.Background())
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require.NoError(t, err)
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// let the chain run a little bit longer to minimise the chance of reorgs
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n2.WaitTillChain(ctx, kit.HeightAtLeast(head.Height()+50))
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tsk := head.Key()
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for i := 1; i <= int(head.Height()); i++ {
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hex := fmt.Sprintf("0x%x", i)
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ts, err := n2.ChainGetTipSetByHeight(ctx, abi.ChainEpoch(i), tsk)
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require.NoError(t, err)
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ethBlockA, err := n2.EthGetBlockByNumber(ctx, hex, true)
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// Cannot use static ErrFullRound error for comparison since it gets reserialized as a JSON RPC error.
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if err != nil && strings.Contains(err.Error(), "null round") {
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require.Less(t, ts.Height(), abi.ChainEpoch(i), "did not expect a tipset at epoch %d", i)
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continue
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}
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require.NoError(t, err)
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require.Equal(t, ts.Height(), abi.ChainEpoch(i), "expected a tipset at epoch %i", i)
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ethBlockB, err := n2.EthGetBlockByHash(ctx, ethBlockA.Hash, true)
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require.NoError(t, err)
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require.Equal(t, ethBlockA, ethBlockB)
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numBlocks := len(ts.Blocks())
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expGasLimit := ethtypes.EthUint64(int64(numBlocks) * build.BlockGasLimit)
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require.Equal(t, expGasLimit, ethBlockB.GasLimit)
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}
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}
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