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fb8b00f1d8
Refs #1771 ADR: https://github.com/tendermint/tendermint/blob/master/docs/architecture/adr-044-lite-client-with-weak-subjectivity.md ## Commits: * add Verifier and VerifyCommitTrusting * add two more checks make trustLevel an option * float32 for trustLevel * check newHeader time * started writing lite Client * unify Verify methods * ensure h2.Header.bfttime < h1.Header.bfttime + tp * move trust checks into Verify function * add more comments * more docs * started writing tests * unbonding period failures * tests are green * export ErrNewHeaderTooFarIntoFuture * make golangci happy * test for non-adjusted headers * more precision * providers and stores * VerifyHeader and VerifyHeaderAtHeight funcs * fix compile errors * remove lastVerifiedHeight, persist new trusted header * sequential verification * remove TrustedStore option * started writing tests for light client * cover basic cases for linear verification * bisection tests PASS * rename BisectingVerification to SkippingVerification * refactor the code * add TrustedHeader method * consolidate sequential verification tests * consolidate skipping verification tests * rename trustedVals to trustedNextVals * start writing docs * ValidateTrustLevel func and ErrOldHeaderExpired error * AutoClient and example tests * fix errors * update doc * remove ErrNewHeaderTooFarIntoFuture This check is unnecessary given existing a) ErrOldHeaderExpired b) h2.Time > now checks. * return an error if we're at more recent height * add comments * add LastSignedHeaderHeight method to Store I think it's fine if Store tracks last height * copy over proxy from old lite package * make TrustedHeader return latest if height=0 * modify LastSignedHeaderHeight to return an error if no headers exist * copy over proxy impl * refactor proxy and start http lite client * Tx and BlockchainInfo methods * Block method * commit method * code compiles again * lite client compiles * extract updateLiteClientIfNeededTo func * move final parts * add placeholder for tests * force usage of lite http client in proxy * comment out query tests for now * explicitly mention tp: trusting period * verify nextVals in VerifyHeader * refactor bisection * move the NextValidatorsHash check into updateTrustedHeaderAndVals + update the comment * add ConsensusParams method to RPC client * add ConsensusParams to rpc/mock/client * change trustLevel type to a new cmn.Fraction type + update SkippingVerification comment * stress out trustLevel is only used for non-adjusted headers * fixes after Fede's review Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com> * compare newHeader with a header from an alternative provider * save pivot header Refs https://github.com/tendermint/tendermint/pull/3989#discussion_r349122824 * check header can still be trusted in TrustedHeader Refs https://github.com/tendermint/tendermint/pull/3989#discussion_r349101424 * lite: update Validators and Block endpoints - Block no longer contains BlockMeta - Validators now accept two additional params: page and perPage * make linter happy
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package http
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import (
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"os"
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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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"github.com/tendermint/tendermint/abci/example/kvstore"
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rpcclient "github.com/tendermint/tendermint/rpc/client"
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rpctest "github.com/tendermint/tendermint/rpc/test"
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"github.com/tendermint/tendermint/types"
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)
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func TestMain(m *testing.M) {
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app := kvstore.NewKVStoreApplication()
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node := rpctest.StartTendermint(app)
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code := m.Run()
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rpctest.StopTendermint(node)
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os.Exit(code)
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}
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func TestProvider(t *testing.T) {
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cfg := rpctest.GetConfig()
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defer os.RemoveAll(cfg.RootDir)
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rpcAddr := cfg.RPC.ListenAddress
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genDoc, err := types.GenesisDocFromFile(cfg.GenesisFile())
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if err != nil {
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panic(err)
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}
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chainID := genDoc.ChainID
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t.Log("chainID:", chainID)
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p := New(chainID, rpcAddr)
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require.NotNil(t, p)
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// let it produce some blocks
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err = rpcclient.WaitForHeight(p.(*http).client, 6, nil)
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require.Nil(t, err)
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// let's get the highest block
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sh, err := p.SignedHeader(0)
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require.Nil(t, err, "%+v", err)
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assert.True(t, sh.Height < 5000)
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// let's check this is valid somehow
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assert.Nil(t, sh.ValidateBasic(chainID))
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// historical queries now work :)
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lower := sh.Height - 5
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sh, err = p.SignedHeader(lower)
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assert.Nil(t, err, "%+v", err)
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assert.Equal(t, lower, sh.Height)
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}
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