erigon-pulse/cl/beacon/validatorapi/get.go
2024-01-01 21:11:31 +01:00

263 lines
9.9 KiB
Go

package validatorapi
import (
"fmt"
"net/http"
"strconv"
"strings"
"github.com/gfx-labs/sse"
"github.com/go-chi/chi/v5"
"github.com/ledgerwatch/erigon-lib/common"
"github.com/ledgerwatch/erigon-lib/common/hexutil"
"github.com/ledgerwatch/erigon-lib/common/hexutility"
"github.com/ledgerwatch/erigon/cl/beacon/beaconhttp"
"github.com/ledgerwatch/erigon/cl/clparams"
"github.com/ledgerwatch/erigon/cl/fork"
"github.com/ledgerwatch/erigon/cl/phase1/core/state"
"github.com/ledgerwatch/erigon/cl/utils"
)
func (v *ValidatorApiHandler) GetEthV1NodeSyncing(w http.ResponseWriter, r *http.Request) (any, error) {
_, slot, err := v.FC.GetHead()
if err != nil {
return nil, err
}
realHead := utils.GetCurrentSlot(v.GenesisCfg.GenesisTime, v.BeaconChainCfg.SecondsPerSlot)
isSyncing := realHead > slot
syncDistance := 0
if isSyncing {
syncDistance = int(realHead) - int(slot)
}
elOffline := true
if v.FC.Engine() != nil {
val, err := v.FC.Engine().Ready()
if err == nil {
elOffline = !val
}
}
return map[string]any{
"head_slot": strconv.FormatUint(slot, 10),
"sync_distance": syncDistance,
"is_syncing": isSyncing,
"el_offline": elOffline,
// TODO: figure out how to populat this field
"is_optimistic": true,
}, nil
}
func (v *ValidatorApiHandler) GetEthV1ConfigSpec(w http.ResponseWriter, r *http.Request) (*clparams.BeaconChainConfig, error) {
if v.BeaconChainCfg == nil {
return nil, beaconhttp.NewEndpointError(http.StatusNotFound, "beacon config not found")
}
return v.BeaconChainCfg, nil
}
func (v *ValidatorApiHandler) GetEthV1BeaconGenesis(w http.ResponseWriter, r *http.Request) (any, error) {
if v.GenesisCfg == nil {
return nil, beaconhttp.NewEndpointError(http.StatusNotFound, "genesis config not found")
}
digest, err := fork.ComputeForkDigest(v.BeaconChainCfg, v.GenesisCfg)
if err != nil {
return nil, beaconhttp.NewEndpointError(http.StatusInternalServerError, err.Error())
}
return map[string]any{
"genesis_time": v.GenesisCfg.GenesisTime,
"genesis_validator_root": v.GenesisCfg.GenesisValidatorRoot,
"genesis_fork_version": hexutility.Bytes(digest[:]),
}, nil
}
func (v *ValidatorApiHandler) GetEthV1BeaconStatesStateIdFork(w http.ResponseWriter, r *http.Request) (any, error) {
stateId := chi.URLParam(r, "state_id")
state, err := v.privateGetStateFromStateId(stateId)
if err != nil {
return nil, err
}
isFinalized := state.Slot() <= v.FC.FinalizedSlot()
forkData := state.BeaconState.Fork()
return map[string]any{
// TODO: this "True if the response references an unverified execution payload. "
// figure out the condition where this happens
"execution_optimistic": false,
"finalized": isFinalized,
"data": map[string]any{
"previous_version": hexutility.Bytes(forkData.PreviousVersion[:]),
"current_version": hexutility.Bytes(forkData.CurrentVersion[:]),
"epoch": strconv.Itoa(int(forkData.Epoch)),
},
}, nil
}
func (v *ValidatorApiHandler) GetEthV1BeaconStatesStateIdValidatorsValidatorId(w http.ResponseWriter, r *http.Request) (any, error) {
stateId := chi.URLParam(r, "state_id")
// grab the correct state for the given state id
beaconState, err := v.privateGetStateFromStateId(stateId)
if err != nil {
return nil, err
}
var validatorIndex uint64
validatorId := chi.URLParam(r, "validator_id")
switch {
case strings.HasPrefix(validatorId, "0x"):
// assume is hex has, so try to parse
hsh := common.Bytes48{}
err := hsh.UnmarshalText([]byte(stateId))
if err != nil {
return nil, beaconhttp.NewEndpointError(http.StatusBadRequest, fmt.Sprintf("Invalid validator ID: %s", validatorId))
}
val, ok := beaconState.ValidatorIndexByPubkey(hsh)
if !ok {
return nil, beaconhttp.NewEndpointError(http.StatusNotFound, fmt.Sprintf("validator not found: %s", validatorId))
}
validatorIndex = val
case isInt(validatorId):
val, err := strconv.ParseUint(validatorId, 10, 64)
if err != nil {
return nil, beaconhttp.NewEndpointError(http.StatusBadRequest, fmt.Sprintf("Invalid validator ID: %s", validatorId))
}
validatorIndex = val
default:
return nil, beaconhttp.NewEndpointError(http.StatusBadRequest, fmt.Sprintf("Invalid validator ID: %s", validatorId))
}
// at this point validatorIndex is neccesarily assigned, so we can trust the zero value
validator, err := beaconState.ValidatorForValidatorIndex(int(validatorIndex))
if err != nil {
return nil, beaconhttp.NewEndpointError(http.StatusNotFound, fmt.Sprintf("validator not found at %s: %s ", stateId, validatorId))
}
validatorBalance, err := beaconState.ValidatorBalance(int(validatorIndex))
if err != nil {
return nil, beaconhttp.NewEndpointError(http.StatusNotFound, fmt.Sprintf("balance not found at %s: %s ", stateId, validatorId))
}
//pending_initialized - When the first deposit is processed, but not enough funds are available (or not yet the end of the first epoch) to get validator into the activation queue.
//pending_queued - When validator is waiting to get activated, and have enough funds etc. while in the queue, validator activation epoch keeps changing until it gets to the front and make it through (finalization is a requirement here too).
//active_ongoing - When validator must be attesting, and have not initiated any exit.
//active_exiting - When validator is still active, but filed a voluntary request to exit.
//active_slashed - When validator is still active, but have a slashed status and is scheduled to exit.
//exited_unslashed - When validator has reached regular exit epoch, not being slashed, and doesn't have to attest any more, but cannot withdraw yet.
//exited_slashed - When validator has reached regular exit epoch, but was slashed, have to wait for a longer withdrawal period.
//withdrawal_possible - After validator has exited, a while later is permitted to move funds, and is truly out of the system.
//withdrawal_done - (not possible in phase0, except slashing full balance) - actually having moved funds away
epoch := state.GetEpochAtSlot(v.BeaconChainCfg, beaconState.Slot())
// TODO: figure out what is wrong and missing here
validator_status := func() string {
// see if validator has exited
if validator.ExitEpoch() >= epoch {
if validator.WithdrawableEpoch() >= epoch {
// TODO: is this right? not sure if correct way to check for withdrawal_done
if validatorBalance == 0 {
return "withdrawal_done"
}
return "withdrawal_possible"
}
if validator.Slashed() {
return "exited_slashed"
}
return "exited_unslashed"
}
// at this point we know they have not exited, so they are either active or pending
if validator.Active(epoch) {
// if active, figure out if they are slashed
if validator.Slashed() {
return "active_slashed"
}
if validator.ExitEpoch() != v.BeaconChainCfg.FarFutureEpoch {
return "active_exiting"
}
return "active_ongoing"
}
// check if enough funds (TODO: or end of first epoch??)
if validatorBalance >= v.BeaconChainCfg.MinDepositAmount {
return "pending_initialized"
}
return "pending_queued"
}()
isFinalized := beaconState.Slot() <= v.FC.FinalizedSlot()
return map[string]any{
// TODO: this "True if the response references an unverified execution payload. "
// figure out the condition where this happens
"execution_optimistic": false,
"finalized": isFinalized,
"data": map[string]any{
"index": strconv.FormatUint(validatorIndex, 10),
"balance": strconv.FormatUint(validatorBalance, 10),
"status": validator_status,
"data": map[string]any{
"pubkey": hexutility.Bytes(validator.PublicKeyBytes()),
"withdraw_credentials": hexutility.Bytes(validator.WithdrawalCredentials().Bytes()),
"effective_balance": strconv.FormatUint(validator.EffectiveBalance(), 10),
"slashed": validator.Slashed(),
"activation_eligibility_epoch": strconv.FormatUint(validator.ActivationEligibilityEpoch(), 10),
"activation_epoch": strconv.FormatUint(validator.ActivationEpoch(), 10),
"exit_epoch": strconv.FormatUint(validator.ActivationEpoch(), 10),
"withdrawable_epoch": strconv.FormatUint(validator.WithdrawableEpoch(), 10),
},
},
}, nil
}
func (v *ValidatorApiHandler) GetEthV1EthNodeSyncing(w http.ResponseWriter, r *http.Request) (any, error) {
// TODO: populate this map
o := map[string]any{
"data": map[string]any{},
}
return o, nil
}
func (v *ValidatorApiHandler) GetEthV3ValidatorBlocksSlot(w http.ResponseWriter, r *http.Request) (any, error) {
// TODO: populate this map
o := map[string]any{
"data": map[string]any{},
}
slotString := chi.URLParam(r, "slot")
slot, err := strconv.ParseUint(slotString, 10, 64)
if err != nil {
return nil, fmt.Errorf("fail to parse slot: %w", err)
}
randaoRevealString := r.URL.Query().Get("randao_reveal")
randaoReveal, err := hexutil.Decode(randaoRevealString)
if err != nil {
return nil, fmt.Errorf("fail to parse randao_reveal: %w", err)
}
graffitiString := r.URL.Query().Get("randao_reveal")
if graffitiString == "" {
graffitiString = "0x"
}
graffiti, err := hexutil.Decode(graffitiString)
if err != nil {
return nil, fmt.Errorf("fail to parse graffiti: %w", err)
}
skip_randao_verification := r.URL.Query().Has("skip_randao_verification")
//if skip_randao_verification {
// if isInfinity(randaoReveal) {
// return nil, beaconhttp.NewEndpointError(400, "randao reveal must be set to infinity if skip randao verification is set")
// }
//}
_, _, _, _ = slot, graffiti, randaoReveal, skip_randao_verification
return o, nil
}
func (v *ValidatorApiHandler) EventSourceGetV1Events(w http.ResponseWriter, r *http.Request) {
sink, err := sse.DefaultUpgrader.Upgrade(w, r)
if err != nil {
// OK to ignore this error.
return
}
topics := r.URL.Query()["topics"]
for _, topic := range topics {
sink.Encode(&sse.Event{
Event: []byte(topic),
Data: nil,
})
// OK to ignore this error. maybe should log it later
}
}