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all: on-chain oracle checkpoint syncing (#19543)

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* all: implement simple checkpoint syncing

cmd, les, node: remove callback mechanism

cmd, node: remove callback definition

les: simplify the registrar

les: expose checkpoint rpc services in the light client

les, light: don't store untrusted receipt

cmd, contracts, les: discard stale checkpoint

cmd, contracts/registrar: loose restriction of registeration

cmd, contracts: add replay-protection

all: off-chain multi-signature contract

params: deploy checkpoint contract for rinkeby

cmd/registrar: add raw signing mode for registrar

cmd/registrar, contracts/registrar, les: fixed messages

* cmd/registrar, contracts/registrar: fix lints

* accounts/abi/bind, les: address comments

* cmd, contracts, les, light, params: minor checkpoint sync cleanups

* cmd, eth, les, light: move checkpoint config to config file

* cmd, eth, les, params: address comments

* eth, les, params: address comments

* cmd: polish up the checkpoint admin CLI

* cmd, contracts, params: deploy new version contract

* cmd/checkpoint-admin: add another flag for clef mode signing

* cmd, contracts, les: rename and regen checkpoint oracle with abigen
This commit is contained in:
gary rong
2019-06-28 15:34:02 +08:00
committed by Péter Szilágyi
parent 702f52fb99
commit f7cdea2bdc
49 changed files with 2861 additions and 383 deletions
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21
eth/backend.go
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@ -26,6 +26,7 @@ import (
"sync/atomic"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/consensus"
@ -57,6 +58,7 @@ type LesServer interface {
APIs() []rpc.API
Protocols() []p2p.Protocol
SetBloomBitsIndexer(bbIndexer *core.ChainIndexer)
SetContractBackend(bind.ContractBackend)
}
// Ethereum implements the Ethereum full node service.
@ -99,6 +101,14 @@ func (s *Ethereum) AddLesServer(ls LesServer) {
ls.SetBloomBitsIndexer(s.bloomIndexer)
}
// SetClient sets a rpc client which connecting to our local node.
func (s *Ethereum) SetContractBackend(backend bind.ContractBackend) {
// Pass the rpc client to les server if it is enabled.
if s.lesServer != nil {
s.lesServer.SetContractBackend(backend)
}
}
// New creates a new Ethereum object (including the
// initialisation of the common Ethereum object)
func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
@ -192,7 +202,11 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
// Permit the downloader to use the trie cache allowance during fast sync
cacheLimit := cacheConfig.TrieCleanLimit + cacheConfig.TrieDirtyLimit
if eth.protocolManager, err = NewProtocolManager(chainConfig, config.SyncMode, config.NetworkId, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb, cacheLimit, config.Whitelist); err != nil {
checkpoint := config.Checkpoint
if checkpoint == nil {
checkpoint = params.TrustedCheckpoints[genesisHash]
}
if eth.protocolManager, err = NewProtocolManager(chainConfig, checkpoint, config.SyncMode, config.NetworkId, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb, cacheLimit, config.Whitelist); err != nil {
return nil, err
}
eth.miner = miner.New(eth, &config.Miner, chainConfig, eth.EventMux(), eth.engine, eth.isLocalBlock)
@ -268,6 +282,11 @@ func (s *Ethereum) APIs() []rpc.API {
// Append any APIs exposed explicitly by the consensus engine
apis = append(apis, s.engine.APIs(s.BlockChain())...)
// Append any APIs exposed explicitly by the les server
if s.lesServer != nil {
apis = append(apis, s.lesServer.APIs()...)
}
// Append all the local APIs and return
return append(apis, []rpc.API{
{