tendermint

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Author	SHA1	Message	Date
Marko	89f0bbbd76	libs/common: Refactor libs/common 4 (#4237 ) * libs/common: Refactor libs/common 4 - move byte function out of cmn to its own pkg - move tempfile out of cmn to its own pkg - move throttletimer to its own pkg ref #4147 Signed-off-by: Marko Baricevic <marbar3778@yahoo.com> * add changelog entry * fix linting issues	5 years ago
Anton Kaliaev	fb8b00f1d8	lite2: light client with weak subjectivity (#3989 ) 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	5 years ago

Author

SHA1

Message

Date

Marko

89f0bbbd76

libs/common: Refactor libs/common 4 (#4237 )

* libs/common: Refactor libs/common 4

- move byte function out of cmn to its own pkg
- move tempfile out of cmn to its own pkg
- move throttletimer to its own pkg

ref #4147

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* add changelog entry

* fix linting issues

5 years ago

Anton Kaliaev

fb8b00f1d8

lite2: light client with weak subjectivity (#3989 )

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

5 years ago

2 Commits (9bd0f9e634318c02045bff3903d8c418dcf558bb)