feat: sPOL contract metrics#57
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Resolved conflicts in: - observer/topics/observabletopic_string.go (regenerated) - provider/rpc.go (combined sPOLController and stakingEvents features) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Phase 1 - SPOLController global metrics: - spol_exchange_rate: POL per 1 sPOL (convertSPOLtoPOL) - spol_paused: contract paused state - spol_global_withdraw_nonce: withdrawal counter Phase 2 - Per-validator metrics via ValidatorShare contract: - spol_validator_real_dpol_balance: actual dPOL position (balanceOf) - spol_validator_delegation_locked: delegation state - spol_validator_liquid_rewards: pending rewards - spol_validator_share_exchange_rate: share exchange rate Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
- Fix ShareExchangeRate overflow by using big.Float instead of Uint64() - Rename spol_validator_count to spol_total_validators - Rename spol_active_validator_count to spol_active_validators - Improve share exchange rate help text clarity Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Description
This PR adds comprehensive sPOL liquid staking monitoring for both L1 (Ethereum) and L2 (Polygon PoS).
Phase 1: SPOLController Global Metrics (L1)
spol_exchange_ratespol_pausedspol_global_withdraw_noncespol_dpol_balancespol_spol_balancespol_total_validatorsspol_active_validatorsPhase 2: Per-Validator Metrics (L1)
spol_validator_statusspol_validator_deposit_sharespol_validator_total_stakedspol_validator_real_dpol_balancespol_validator_delegation_lockedspol_validator_liquid_rewardsspol_validator_share_exchange_rateLabels:
network,provider,validator_id,validator_addressL2 Monitoring (Polygon PoS)
Account balance monitoring via existing
account_balancemetric:spol-child(0xd1CD49A08AeF3Af93457aEc17C786C2b7F48eCd7) - sPOLChild contractpol-bridger(0x71663898Df7470e3b64d52663Ff975895E9b06E8) - POL bridger accountDataDog Alerting (Computed from above metrics)
The following alerts can be configured in DataDog without code changes:
abs(sum(spol_validator_real_dpol_balance) - spol_dpol_balance) > 0abs(delta(spol_dpol_balance) - delta(spol_spol_balance)) > thresholdsum(spol_validator_deposit_share) != 100delta(spol_dpol_balance) < -10000max(spol_validator_total_staked) / spol_dpol_balance > 0.5delta(spol_global_withdraw_nonce) > NFiles Added/Modified
contracts/ValidatorShare.abi.json- New ABI for ValidatorShare contractcontracts/ValidatorShare.go- Generated Go bindingsobserver/rpc.go- Extended SPOLValidator and SPOLController structs, added new metricsprovider/rpc.go- Added contract calls for Phase 1 & Phase 2 metricsconfig.yml- Documentedspol_controller_addressconfig optionmetrics.md- Documented all new metricsConfiguration
Jira / Linear Tickets
Testing
go run cmd/main.gocurl localhost:9090/metrics | grep spol_