mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-24 12:37:16 +00:00
e8287918ba
Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local> Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro-2.local>
156 lines
4.1 KiB
Go
156 lines
4.1 KiB
Go
package snapcfg
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import (
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_ "embed"
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"path/filepath"
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"strconv"
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"strings"
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snapshothashes "github.com/ledgerwatch/erigon-snapshot"
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"github.com/ledgerwatch/erigon/params/networkname"
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"github.com/pelletier/go-toml/v2"
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"golang.org/x/exp/slices"
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)
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var (
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Mainnet = fromToml(snapshothashes.Mainnet)
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Goerli = fromToml(snapshothashes.Goerli)
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Bsc = fromToml(snapshothashes.Bsc)
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Mumbai = fromToml(snapshothashes.Mumbai)
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BorMainnet = fromToml(snapshothashes.BorMainnet)
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Gnosis = fromToml(snapshothashes.Gnosis)
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MainnetHistory = fromToml(snapshothashes.MainnetHistory)
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GoerliHistory = fromToml(snapshothashes.GoerliHistory)
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BscHistory = fromToml(snapshothashes.BscHistory)
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MumbaiHistory = fromToml(snapshothashes.MumbaiHistory)
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BorMainnetHistory = fromToml(snapshothashes.BorMainnetHistory)
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GnosisHistory = fromToml(snapshothashes.GnosisHistory)
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)
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type PreverifiedItem struct {
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Name string
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Hash string
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}
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type Preverified []PreverifiedItem
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type preverified map[string]string
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func fromToml(in []byte) (out Preverified) {
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var outMap preverified
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if err := toml.Unmarshal(in, &outMap); err != nil {
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panic(err)
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}
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return doSort(outMap)
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}
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func doSort(in preverified) Preverified {
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out := make(Preverified, 0, len(in))
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for k, v := range in {
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out = append(out, PreverifiedItem{k, v})
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}
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slices.SortFunc(out, func(i, j PreverifiedItem) bool { return i.Name < j.Name })
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return out
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}
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var (
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MainnetChainSnapshotCfg = newCfg(Mainnet, MainnetHistory)
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GoerliChainSnapshotCfg = newCfg(Goerli, GoerliHistory)
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BscChainSnapshotCfg = newCfg(Bsc, BscHistory)
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MumbaiChainSnapshotCfg = newCfg(Mumbai, MumbaiHistory)
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BorMainnetChainSnapshotCfg = newCfg(BorMainnet, BorMainnetHistory)
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GnosisChainSnapshotCfg = newCfg(Gnosis, GnosisHistory)
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)
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func newCfg(preverified, preverifiedHistory Preverified) *Cfg {
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return &Cfg{ExpectBlocks: maxBlockNum(preverified), Preverified: preverified, PreverifiedHistory: preverifiedHistory}
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}
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func maxBlockNum(preverified Preverified) uint64 {
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max := uint64(0)
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for _, p := range preverified {
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_, fileName := filepath.Split(p.Name)
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ext := filepath.Ext(fileName)
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if ext != ".seg" {
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continue
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}
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onlyName := fileName[:len(fileName)-len(ext)]
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parts := strings.Split(onlyName, "-")
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if parts[0] != "v1" {
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panic("not implemented")
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}
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if parts[3] != "headers" {
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continue
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}
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to, err := strconv.ParseUint(parts[2], 10, 64)
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if err != nil {
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panic(err)
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}
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if max < to {
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max = to
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}
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}
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if max == 0 { // to prevent underflow
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return 0
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}
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return max*1_000 - 1
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}
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type Cfg struct {
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ExpectBlocks uint64
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Preverified Preverified
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PreverifiedHistory Preverified
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}
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var KnownCfgs = map[string]*Cfg{
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networkname.MainnetChainName: MainnetChainSnapshotCfg,
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networkname.GoerliChainName: GoerliChainSnapshotCfg,
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networkname.BSCChainName: BscChainSnapshotCfg,
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networkname.MumbaiChainName: MumbaiChainSnapshotCfg,
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networkname.BorMainnetChainName: BorMainnetChainSnapshotCfg,
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networkname.GnosisChainName: GnosisChainSnapshotCfg,
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}
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// KnownCfg return list of preverified hashes for given network, but apply whiteList filter if it's not empty
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func KnownCfg(networkName string, whiteList, whiteListHistory []string) *Cfg {
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c, ok := KnownCfgs[networkName]
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if !ok {
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return newCfg(Preverified{}, Preverified{})
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}
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var result, result2 Preverified
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if len(whiteList) == 0 {
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result = c.Preverified
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} else {
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wlMap := make(map[string]struct{}, len(whiteList))
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for _, fName := range whiteList {
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wlMap[fName] = struct{}{}
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}
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result = make(Preverified, 0, len(c.Preverified))
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for _, p := range c.Preverified {
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if _, ok := wlMap[p.Name]; !ok {
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continue
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}
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result = append(result, p)
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}
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}
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if len(whiteList) == 0 {
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result2 = c.PreverifiedHistory
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} else {
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wlMap2 := make(map[string]struct{}, len(whiteListHistory))
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for _, fName := range whiteListHistory {
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wlMap2[fName] = struct{}{}
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}
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result2 = make(Preverified, 0, len(c.PreverifiedHistory))
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for _, p := range c.PreverifiedHistory {
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if _, ok := wlMap2[p.Name]; !ok {
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continue
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}
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result2 = append(result2, p)
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}
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}
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return newCfg(result, result2)
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}
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