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Get ChainID from ethereum node

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This commit is contained in:
Eduard S
2020-12-23 16:26:56 +01:00
parent 150597c282
commit 086dc85104
6 changed files with 60 additions and 26 deletions
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26
node/node.go
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@@ -83,11 +83,6 @@ func NewNode(mode Mode, cfg *config.Node) (*Node, error) {
historyDB := historydb.NewHistoryDB(db)
stateDB, err := statedb.NewStateDB(cfg.StateDB.Path, statedb.TypeSynchronizer, 32, cfg.Coordinator.ChainID)
if err != nil {
return nil, tracerr.Wrap(err)
}
ethClient, err := ethclient.Dial(cfg.Web3.URL)
if err != nil {
return nil, tracerr.Wrap(err)
@@ -122,6 +117,25 @@ func NewNode(mode Mode, cfg *config.Node) (*Node, error) {
return nil, tracerr.Wrap(err)
}
chainID, err := client.EthChainID()
if err != nil {
return nil, tracerr.Wrap(err)
}
if !chainID.IsUint64() {
return nil, tracerr.Wrap(fmt.Errorf("chainID cannot be represented as uint64"))
}
chainIDU64 := chainID.Uint64()
const maxUint16 uint64 = 0xffff
if chainIDU64 > maxUint16 {
return nil, tracerr.Wrap(fmt.Errorf("chainID overflows uint16"))
}
chainIDU16 := uint16(chainIDU64)
stateDB, err := statedb.NewStateDB(cfg.StateDB.Path, statedb.TypeSynchronizer, 32, chainIDU16)
if err != nil {
return nil, tracerr.Wrap(err)
}
sync, err := synchronizer.NewSynchronizer(client, historyDB, stateDB, synchronizer.Config{
StatsRefreshPeriod: cfg.Synchronizer.StatsRefreshPeriod.Duration,
})
@@ -232,7 +246,7 @@ func NewNode(mode Mode, cfg *config.Node) (*Node, error) {
AuctionConstants: scConsts.Auction,
WDelayerConstants: scConsts.WDelayer,
},
cfg.Coordinator.ChainID,
chainIDU16,
)
if err != nil {
return nil, tracerr.Wrap(err)