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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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37
cmd/geth/main.go
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@ -37,6 +37,7 @@ import (
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/internal/debug"
"github.com/ethereum/go-ethereum/les"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
@ -323,14 +324,33 @@ func startNode(ctx *cli.Context, stack *node.Node) {
events := make(chan accounts.WalletEvent, 16)
stack.AccountManager().Subscribe(events)
go func() {
// Create a chain state reader for self-derivation
rpcClient, err := stack.Attach()
if err != nil {
utils.Fatalf("Failed to attach to self: %v", err)
}
stateReader := ethclient.NewClient(rpcClient)
// Create a client to interact with local geth node.
rpcClient, err := stack.Attach()
if err != nil {
utils.Fatalf("Failed to attach to self: %v", err)
}
ethClient := ethclient.NewClient(rpcClient)
// Set contract backend for ethereum service if local node
// is serving LES requests.
if ctx.GlobalInt(utils.LightServFlag.Name) > 0 {
var ethService *eth.Ethereum
if err := stack.Service(&ethService); err != nil {
utils.Fatalf("Failed to retrieve ethereum service: %v", err)
}
ethService.SetContractBackend(ethClient)
}
// Set contract backend for les service if local node is
// running as a light client.
if ctx.GlobalString(utils.SyncModeFlag.Name) == "light" {
var lesService *les.LightEthereum
if err := stack.Service(&lesService); err != nil {
utils.Fatalf("Failed to retrieve light ethereum service: %v", err)
}
lesService.SetContractBackend(ethClient)
}
go func() {
// Open any wallets already attached
for _, wallet := range stack.AccountManager().Wallets() {
if err := wallet.Open(""); err != nil {
@ -354,7 +374,7 @@ func startNode(ctx *cli.Context, stack *node.Node) {
}
derivationPaths = append(derivationPaths, accounts.DefaultBaseDerivationPath)
event.Wallet.SelfDerive(derivationPaths, stateReader)
event.Wallet.SelfDerive(derivationPaths, ethClient)
case accounts.WalletDropped:
log.Info("Old wallet dropped", "url", event.Wallet.URL())
@ -383,7 +403,6 @@ func startNode(ctx *cli.Context, stack *node.Node) {
"age", common.PrettyAge(timestamp))
stack.Stop()
}
}
}()
}