diff --git a/beacon/engine/types.go b/beacon/engine/types.go index f72319ad50b5..60accc3c7917 100644 --- a/beacon/engine/types.go +++ b/beacon/engine/types.go @@ -303,3 +303,21 @@ type ExecutionPayloadBodyV1 struct { TransactionData []hexutil.Bytes `json:"transactions"` Withdrawals []*types.Withdrawal `json:"withdrawals"` } + +// Client identifiers to support ClientVersionV1. +const ( + ClientCode = "GE" + ClientName = "go-ethereum" +) + +// ClientVersionV1 contains information which identifies a client implementation. +type ClientVersionV1 struct { + Code string `json:"code"` + Name string `json:"clientName"` + Version string `json:"version"` + Commit string `json:"commit"` +} + +func (v *ClientVersionV1) String() string { + return fmt.Sprintf("%s-%s-%s-%s", v.Code, v.Name, v.Version, v.Commit) +} diff --git a/eth/catalyst/api.go b/eth/catalyst/api.go index c48a7d0e49fb..32b9751d7d53 100644 --- a/eth/catalyst/api.go +++ b/eth/catalyst/api.go @@ -30,9 +30,11 @@ import ( "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/eth/downloader" + "github.com/ethereum/go-ethereum/internal/version" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/miner" "github.com/ethereum/go-ethereum/node" + "github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/params/forks" "github.com/ethereum/go-ethereum/rpc" ) @@ -813,6 +815,23 @@ func (api *ConsensusAPI) ExchangeCapabilities([]string) []string { return caps } +// GetClientVersionV1 exchanges client version data of this node. +func (api *ConsensusAPI) GetClientVersionV1(info engine.ClientVersionV1) []engine.ClientVersionV1 { + log.Trace("Engine API request received", "method", "GetClientVersionV1", "info", info.String()) + commit := make([]byte, 4) + if vcs, ok := version.VCS(); ok { + commit = common.FromHex(vcs.Commit)[0:4] + } + return []engine.ClientVersionV1{ + { + Code: engine.ClientCode, + Name: engine.ClientName, + Version: params.VersionWithMeta, + Commit: hexutil.Encode(commit), + }, + } +} + // GetPayloadBodiesByHashV1 implements engine_getPayloadBodiesByHashV1 which allows for retrieval of a list // of block bodies by the engine api. func (api *ConsensusAPI) GetPayloadBodiesByHashV1(hashes []common.Hash) []*engine.ExecutionPayloadBodyV1 { diff --git a/eth/catalyst/api_test.go b/eth/catalyst/api_test.go index f1d48d0deafa..80df25991af7 100644 --- a/eth/catalyst/api_test.go +++ b/eth/catalyst/api_test.go @@ -1663,3 +1663,26 @@ func TestParentBeaconBlockRoot(t *testing.T) { t.Fatalf("incorrect root stored: want %s, got %s", *blockParams.BeaconRoot, root) } } + +// TestGetClientVersion verifies the expected version info is returned. +func TestGetClientVersion(t *testing.T) { + genesis, preMergeBlocks := generateMergeChain(10, false) + n, ethservice := startEthService(t, genesis, preMergeBlocks) + defer n.Close() + + api := NewConsensusAPI(ethservice) + info := engine.ClientVersionV1{ + Code: "TT", + Name: "test", + Version: "1.1.1", + Commit: "0x12345678", + } + infos := api.GetClientVersionV1(info) + if len(infos) != 1 { + t.Fatalf("expected only one returned client version, got %d", len(infos)) + } + info = infos[0] + if info.Code != engine.ClientCode || info.Name != engine.ClientName || info.Version != params.VersionWithMeta { + t.Fatalf("client info does match expected, got %s", info.String()) + } +}