* ci: tooltips for javadoc for mobile app

* f space
# Conflicts:
#	Makefile
#	build/ci.go

# Conflicts:
#	light/odr.go

* Fix potential memory leak in price heap

* core: nil free pointer slice (alternative version)

Co-authored-by: Martin Holst Swende <martin@swende.se>

# Conflicts:
#	core/vm/gas_table.go

* mobile: added constructor for big int

* mobile: tiny nitpick
# Conflicts:
#	mobile/big.go

* accounts/abi: refactored abi.Unpack

* accounts/abi/bind: fixed error

* accounts/abi/bind: modified template

* accounts/abi/bind: added ToStruct for conversion

* accounts/abi: reenabled tests

* accounts/abi: fixed tests

* accounts/abi: fixed tests for packing/unpacking

* accounts/abi: fixed tests

* accounts/abi: added more logic to ToStruct

* accounts/abi/bind: fixed template

* accounts/abi/bind: fixed ToStruct conversion

* accounts/abi/: removed unused code

* accounts/abi: updated template

* accounts/abi: refactored unused code

* contracts/checkpointoracle: updated contracts to sol ^0.6.0

* accounts/abi: refactored reflection logic

* accounts/abi: less code duplication in Unpack*

* accounts/abi: fixed rebasing bug

* fix a few typos in comments

* rebase on master

Co-authored-by: Guillaume Ballet <gballet@gmail.com>
# Conflicts:
#	accounts/abi/bind/base_test.go
#	accounts/abi/bind/bind_test.go
#	accounts/abi/pack_test.go
#	go.mod
#	mobile/bind.go

* Splitting sentry and downloader - the beginning

* A bit more

* More on sentry

* More gRPC

* Sentry and downloader separated

* Update binding for stable version of grpc

* Better bufferSize flag

* Fix lint

* Send pelanties

* Fix lint

* Remove hard-coded tips on connect

* Tidy the logs a bit

* Deal with hardTips on Recovery

* Print hard tips

* Hide empty anchors

* Request headers after receiving a message

* Better waking up

* Print hard-coded block numbers

* Print outgoing requests

* Debug logging

* In the middle protection

* Sentry not to lose peers when core disconnects

* Initial

* Read freelist pages

* Fix

* Fix lint

* Fix lint

* Fix lint

* squash

* add --database flag to integration

* clean

* split to 2 buckets

* split to 2 buckets

* split to 2 buckets

* split to 2 buckets

* split to 2 buckets

* save progress

* save progress

* improve test

* improve test

* save progress

* change app logic

* change app logic

* return err from rawdb package

* don't clean automatically

* don't clean automatically

* clean

* clean

* clean

* don't rely on `make clean`

* improve cbor code

* clean

* clean

* clean

* fix tests

* rebase master

* stop on error: headers stage

* make TxDb walk and multiwalk safe

* Fix panics

Co-authored-by: Alexey Akhunov <akhounov@gmail.com>

* Fix infinite rpc.gascap on eth_estimateGas

* use `gasCap.Sign() > 0` instead of `gasCap.Uint64() != 0`

* Automate documentation

* Updating

* Updating

* Fixing lint

* Updating readthedocs documentation

* Updating testing

* Updating testing

* protect_from_wrong_class_use

* more cases

* ReadBlockByNumber and ReadChainConfig return error

* Let's make rawdb package to return error. But by small steps.
High-level methods need to move first:

ReadBlockByNumber
ReadChainConfig
ReadBlockByHash
ReadHeaderByHash
WriteChainConfig
WriteDatabaseVersion
WriteBlock
DeleteTd
WriteTd
ReadTd

* allow_read_transactions

* fix lint

* fix lint

* more cases

* extract tmpdir to app-level-code

* extract tmpdir to app-level-code

* save progresss

* db objects diagram

* db objects diagram

* db objects diagram

* db objects diagram

* db objects diagram

* db objects diagram

* db objects diagram

* Vary batch size for execution stage

* Fix in logging

* Improve log of timings

* Log improvements

* Log improvements

* Fix tests

* More log improvments, fix tests

* Fix tests

* Better logging for Bodies and Interhash

* Fix tests

* Minor fixes

* Fix test

* initial

* fix

* fmt

* linters

* linters

* debug

* fix data races

* safe close

* remove jump table clonning

* revert fix

* Moving a few files to be more consistent

* Collecting together custom code under tg_ namespace

* Small cleanups

* Updating test cases

* Uncomment eth_gasPrice but still unimplemented