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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| package api | ||
|
|
||
| import ( | ||
| "errors" | ||
|
|
||
| "github.com/ethereum/go-ethereum/beacon/types" | ||
| ) | ||
|
|
||
| type PortalLightApi struct { | ||
| } | ||
|
|
||
| func NewPortalLightApi() *PortalLightApi { | ||
| return &PortalLightApi{} | ||
| } | ||
|
|
||
| func (api *PortalLightApi) GetBestUpdatesAndCommittees(firstPeriod, count uint64) ([]*types.LightClientUpdate, []*types.SerializedSyncCommittee, error) { | ||
| //contentKey := &beacon.LightClientUpdateKey{ | ||
| // StartPeriod: firstPeriod, | ||
| // Count: count, | ||
| //} | ||
|
|
||
| //resp, err := api.httpGetf("/eth/v1/beacon/light_client/updates?start_period=%d&count=%d", firstPeriod, count) | ||
| //if err != nil { | ||
| // return nil, nil, err | ||
| //} | ||
| // | ||
| //var data []CommitteeUpdate | ||
| //if err := json.Unmarshal(resp, &data); err != nil { | ||
| // return nil, nil, err | ||
| //} | ||
| //if len(data) != int(count) { | ||
| // return nil, nil, errors.New("invalid number of committee updates") | ||
| //} | ||
| //updates := make([]*types.LightClientUpdate, int(count)) | ||
| //committees := make([]*types.SerializedSyncCommittee, int(count)) | ||
| //for i, d := range data { | ||
| // if d.Update.AttestedHeader.Header.SyncPeriod() != firstPeriod+uint64(i) { | ||
| // return nil, nil, errors.New("wrong committee update header period") | ||
| // } | ||
| // if err := d.Update.Validate(); err != nil { | ||
| // return nil, nil, err | ||
| // } | ||
| // if d.NextSyncCommittee.Root() != d.Update.NextSyncCommitteeRoot { | ||
| // return nil, nil, errors.New("wrong sync committee root") | ||
| // } | ||
| // updates[i], committees[i] = new(types.LightClientUpdate), new(types.SerializedSyncCommittee) | ||
| // *updates[i], *committees[i] = d.Update, d.NextSyncCommittee | ||
| //} | ||
| //return updates, committees, nil | ||
|
|
||
| return nil, nil, errors.New("not implemented") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,63 @@ | ||
| package beacon | ||
|
|
||
| import ( | ||
| "errors" | ||
|
|
||
| "github.com/ethereum/go-ethereum/beacon/types" | ||
| "github.com/ethereum/go-ethereum/p2p/discover" | ||
| "github.com/ethereum/go-ethereum/portalnetwork/storage" | ||
| ssz "github.com/ferranbt/fastssz" | ||
| ) | ||
|
|
||
| const ( | ||
| LightClientBootstrap storage.ContentType = 0x10 | ||
| LightClientUpdate storage.ContentType = 0x11 | ||
| LightClientFinalityUpdate storage.ContentType = 0x12 | ||
| LightClientOptimisticUpdate storage.ContentType = 0x13 | ||
| HistoricalSummaries storage.ContentType = 0x14 | ||
| ) | ||
|
|
||
| type BeaconNetwork struct { | ||
| portalProtocol *discover.PortalProtocol | ||
| } | ||
|
|
||
| func (bn *BeaconNetwork) GetBestUpdatesAndCommittees(firstPeriod, count uint64) ([]*types.LightClientUpdate, []*types.SerializedSyncCommittee, error) { | ||
| lightClientUpdateKey := &LightClientUpdateKey{ | ||
| StartPeriod: firstPeriod, | ||
| Count: count, | ||
| } | ||
|
|
||
| _, err := bn.getContent(LightClientUpdate, lightClientUpdateKey) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| return nil, nil, err | ||
| } | ||
|
|
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| func (bn *BeaconNetwork) getContent(contentType storage.ContentType, beaconContentKey ssz.Marshaler) ([]byte, error) { | ||
| contentKeyBytes, err := beaconContentKey.MarshalSSZ() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| contentKey := storage.NewContentKey(contentType, contentKeyBytes).Encode() | ||
| contentId := bn.portalProtocol.ToContentId(contentKey) | ||
|
|
||
| res, err := bn.portalProtocol.Get(contentKey, contentId) | ||
| // other error | ||
| if err != nil && !errors.Is(err, storage.ErrContentNotFound) { | ||
| return nil, err | ||
| } | ||
|
|
||
| if res != nil { | ||
| return res, nil | ||
| } | ||
|
|
||
| content, _, err := bn.portalProtocol.ContentLookup(contentKey, contentId) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return content, nil | ||
| } |
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6 changes: 6 additions & 0 deletions
6
portalnetwork/beacon/testdata/light_client_finality_update.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| { | ||
| "6718463": { | ||
| "content_key": "0x020000000000000000", | ||
| "content_value": "0xbba4da9670010000b30400001d34030000000000000000000000000000000000000000000000000000000000a4f8b2415bbca66d73597343afead504bd8282523df27153543b2de8973b7474ace652bb73991c3b63f7185a17333c8aea619a69b69863a5d79810dad6c363d3df460765de20d3c8f56bcd9490f15e2d9e122b3f6173cea76f6d0d16074ce0f0ecde5df1b81f36c08e91ce803c25add312bfd8cb759a81b7cfd158d724959cf22e83908e043f77bdc5992806617ef1fa0a4f1985d9aa1b67371d3580be8c2c64ffffffffffffffffffffffffffffbfffff7fffffffffffffffffffffffffffffffffffffffffffffffffffdefffffffffffffffffffeffffffffffffffffefffa480f81d481c5aa8439f8c65f86c69d3b1570cfd95b61300f7e29c5b0954c0c0fb080bba0e8ba60dead40c45355332ed06982fcaf53ad1ad4a7e6e39091ee7e5602d4a30b6d46e12047c31451f246bf43c4a3fbdb1d1de2f2180a776ef71fc3d0084660000000000ff83660000000000e5f4020000000000007b8211614b9c5331a1de2691ad7cdde1ca113b4e51b9f2757a4b502833f9234a06eb807d82b9175dd085748ade76aaa86fb4eca48bc8deb01b9c56a267a896d98469820ef7d34f8610e134c6eaf8d379e83cf6c3ab0663fba828edab344dc5f40000008e2a532cfdfdce86b27b26f611f1df0e2b00a54d18c6980e69ad28a4b70bf480336488033fe5f3ef4ccc12af07b9370b92e553e35ecb4a337a1b1c0e4afe1e0edb56114e00fdd4c1f85c892bf35ac9a89289aaecb1ebd0a96cde606a748b5d71b4c4e01065cd22a0d2f27a544ff8315b9e28f6270a63f543831778f32648ac3a15ecbea44f91b9b4a28ec8308a30a4b6252f554a2088bb1c73ea01013ba4963dfeebabe6b0418ec13b30aadf129f5dcdd4f70ceaa56499df0b3ba9d8fe6ca410132a29cf387371294137003adb139ce9f06b6f7dbf32ee01da91016a485a8aab5669168efc3d3a200b2ee0f25d937a413dfc38e44e211f02432a01a83088e700808c302002139aad8496010300cd220b14288429d8a6049945000a3b60f00f00109019341a0129a08906314848650817002cb98894a328084521a87e6d0a64e8080004ac0805000800e29808294016508a2004001304002a02320c4705501ac008a62848701040012a08e5c8b69010f1009f80408894857053e1b940e2c9004912860e26112080610d002098242000ca001420209a42c141d0c86087509344ced8a32e0204410a0196025a12106104e20008ad4449d5043208090008810201820209108607a0fa1004aa323410050222867024e0d172a82821b02c00020513152006484c800b10f0420802c0244d0850288c6541dc34cabc32f5d355aef4017425cab95c1de0474d483623e23c9bf13d9a18f1597e930b010000000080c3c901000000000ca88800000000004b6094640000000038020000ab9bf66d04000000000000000000000000000000000000000000000000000000797be971185ac699fa7288c87457c3611b443fb98483fddf282dfa7c5b4b27058eddbcd8b5de9b747c57c827ceba820d19e987ff6740eed38ccbc947696d71e3e2c3b96c9200d7d5c66fb4e8458067d6420e64647682ca2f0798ae817d2bc19468747470733a2f2f6574682d6275696c6465722e636f6da08366000000000037b10700000000002a7315c8ddfc25dc2266a6b221cb8f9fdf641970ab1f65a2754df4e14c432b9c446c604131913bed45976c4a8ea27df843a72d622f80ef15da622f0d56ec1ffe3021190177b0405c4fa1a0311a493c4dd095f24d386be6a03f5838a6b1008665f4000000f5c98fc152bf40e1ce216c8839b8ddd42ea5b355f0b5c700fc9b2cb7c802e1c8336488033fe5f3ef4ccc12af07b9370b92e553e35ecb4a337a1b1c0e4afe1e0edb56114e00fdd4c1f85c892bf35ac9a89289aaecb1ebd0a96cde606a748b5d71a533e05d648cb9635382f38b778dc3c76b18e4eab2d017fdb24c1c0e32d2991707a45ce3f26e443dafa697a76bf24122c9b19b57eebe798668dbd1a0da7c900795222290dd7278aa3ddd389cc1e1d165cc4bafe5c658153cdef5850f97c4d4fb6706b82310414a00fe7dc34b3043e0c7a8a24e810e3cec9de3e1dd7ce06bc191efd2273a357da4436fc4bf82069f6cb87d3d605aeda1336ac513f358b4296b8da51232896ad271063d93404eaa6b80960fa2d4b41d74a544eef94731f0b83ba2701e33b49e3191098c3369bc4658d82f536cb9d38285c51c7844292ced06dd2e8148f0bcd585dc1104e64aa930045e83d828ab436a0e587637e5ef83044d1c2918da284d7072847132885d443640979907485847368e32501345b0dc24c904c06732cc17d944b26181b0c05c6461bccbe4f7b2180a282b6871aa6472fa36cdc49ec50cf69d3eee4b26fe02bf48f39efb549d3963d19e4112c7250c580543516204ff1b0675680cfea02ac09f0b23d6e28c14b08421b3a10a9788442457d732b120c5c466c54ad938dedd3cd3701d9b32fa15dc8db3d6b1ea5d8495732477a72b34efcaf8c349aa40d8e1f21f226ca11182cff00921930b010000000080c3c901000000009104e90000000000d75b9464000000003802000076ab1c8604000000000000000000000000000000000000000000000000000000844f7a7e7585362114fc88a70654146215ab4eaad65ad54b64975840b78d365e8b75e78616a92294e747589c3ee4a845c2962e1cf6cd7fe8bfbd09439e5e6d5e4d4efdf181473803e734d97891388e1b50628658ac818599cf2cb069c8e6b38b6265617665726275696c642e6f7267" | ||
| } | ||
| } |
6 changes: 6 additions & 0 deletions
6
portalnetwork/beacon/testdata/light_client_optimistic_update.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| { | ||
| "6718463": { | ||
| "content_key": "0x030000000000000000", | ||
| "content_value": "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" | ||
| } | ||
| } |
6 changes: 6 additions & 0 deletions
6
portalnetwork/beacon/testdata/light_client_updates_by_range.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package beacon | ||
|
|
||
| import ( | ||
| "errors" | ||
|
|
||
| "github.com/protolambda/zrnt/eth2/beacon/altair" | ||
| "github.com/protolambda/zrnt/eth2/beacon/capella" | ||
| "github.com/protolambda/zrnt/eth2/beacon/common" | ||
| "github.com/protolambda/zrnt/eth2/configs" | ||
| "github.com/protolambda/ztyp/codec" | ||
| ) | ||
|
|
||
| var ( | ||
| Bellatrix common.ForkDigest = [4]byte{0x0, 0x0, 0x0, 0x0} | ||
| Capella common.ForkDigest = [4]byte{0xbb, 0xa4, 0xda, 0x96} | ||
| ) | ||
|
|
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| //go:generate sszgen --path types.go | ||
|
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| type LightClientUpdateKey struct { | ||
| StartPeriod uint64 | ||
| Count uint64 | ||
| } | ||
|
|
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| type LightClientBootstrapKey struct { | ||
| BlockHash []byte `ssz-size:"32"` | ||
| } | ||
|
|
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| type LightClientFinalityUpdateKey struct { | ||
| FinalizedSlot uint64 | ||
| } | ||
|
|
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| type LightClientOptimisticUpdateKey struct { | ||
| OptimisticSlot uint64 | ||
| } | ||
|
|
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| type ForkedLightClientBootstrap struct { | ||
| ForkDigest common.ForkDigest | ||
| Bootstrap common.SpecObj | ||
| } | ||
|
|
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| func (flb *ForkedLightClientBootstrap) Deserialize(dr *codec.DecodingReader) error { | ||
| _, err := dr.Read(flb.ForkDigest[:]) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if flb.ForkDigest == Bellatrix { | ||
| flb.Bootstrap = &altair.LightClientBootstrap{} | ||
| } else if flb.ForkDigest == Capella { | ||
| flb.Bootstrap = &capella.LightClientBootstrap{} | ||
| } else { | ||
| return errors.New("unknown fork digest") | ||
| } | ||
|
|
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| err = flb.Bootstrap.Deserialize(configs.Mainnet, dr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (flb *ForkedLightClientBootstrap) FixedLength() uint64 { | ||
| return 0 | ||
| } |
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