diff --git a/lib/abi/DepositSecurityModule.json b/lib/abi/DepositSecurityModule.json
index 8c27a1d7d..56a7cacc1 100644
--- a/lib/abi/DepositSecurityModule.json
+++ b/lib/abi/DepositSecurityModule.json
@@ -1 +1 @@
-[{"inputs":[{"internalType":"address","name":"_lido","type":"address"},{"internalType":"address","name":"_depositContract","type":"address"},{"internalType":"address","name":"_nodeOperatorsRegistry","type":"address"},{"internalType":"uint256","name":"_networkId","type":"uint256"},{"internalType":"uint256","name":"_maxDepositsPerBlock","type":"uint256"},{"internalType":"uint256","name":"_minDepositBlockDistance","type":"uint256"},{"internalType":"uint256","name":"_pauseIntentValidityPeriodBlocks","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"guardian","type":"address"}],"name":"DepositsPaused","type":"event"},{"anonymous":false,"inputs":[],"name":"DepositsUnpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"guardian","type":"address"}],"name":"GuardianAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"GuardianQuorumChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"guardian","type":"address"}],"name":"GuardianRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"MaxDepositsChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"MinDepositBlockDistanceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newValue","type":"address"}],"name":"NodeOperatorsRegistryChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newValue","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"PauseIntentValidityPeriodBlocksChanged","type":"event"},{"inputs":[],"name":"ATTEST_MESSAGE_PREFIX","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEPOSIT_CONTRACT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LIDO","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PAUSE_MESSAGE_PREFIX","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"addGuardian","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"addresses","type":"address[]"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"addGuardians","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"canDeposit","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxDeposits","type":"uint256"},{"internalType":"bytes32","name":"depositRoot","type":"bytes32"},{"internalType":"uint256","name":"keysOpIndex","type":"uint256"},{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"bytes32","name":"blockHash","type":"bytes32"},{"components":[{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"vs","type":"bytes32"}],"internalType":"struct DepositSecurityModule.Signature[]","name":"sortedGuardianSignatures","type":"tuple[]"}],"name":"depositBufferedEther","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"getGuardianIndex","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGuardianQuorum","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGuardians","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMaxDeposits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMinDepositBlockDistance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNodeOperatorsRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPauseIntentValidityPeriodBlocks","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isGuardian","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"bytes32","name":"blockHash","type":"bytes32"},{"components":[{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"vs","type":"bytes32"}],"internalType":"struct DepositSecurityModule.Signature","name":"sig","type":"tuple"}],"name":"pauseDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"removeGuardian","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setGuardianQuorum","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setMaxDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setMinDepositBlockDistance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newValue","type":"address"}],"name":"setNodeOperatorsRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newValue","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setPauseIntentValidityPeriodBlocks","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpauseDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"}]
\ No newline at end of file
+[{"inputs":[{"internalType":"address","name":"_lido","type":"address"},{"internalType":"address","name":"_depositContract","type":"address"},{"internalType":"address","name":"_nodeOperatorsRegistry","type":"address"},{"internalType":"uint256","name":"_networkId","type":"uint256"},{"internalType":"uint256","name":"_maxDepositsPerBlock","type":"uint256"},{"internalType":"uint256","name":"_minDepositBlockDistance","type":"uint256"},{"internalType":"uint256","name":"_pauseIntentValidityPeriodBlocks","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"guardian","type":"address"}],"name":"DepositsPaused","type":"event"},{"anonymous":false,"inputs":[],"name":"DepositsUnpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"guardian","type":"address"}],"name":"GuardianAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"GuardianQuorumChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"guardian","type":"address"}],"name":"GuardianRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"MaxDepositsChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"MinDepositBlockDistanceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newValue","type":"address"}],"name":"NodeOperatorsRegistryChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newValue","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"PauseIntentValidityPeriodBlocksChanged","type":"event"},{"inputs":[],"name":"ATTEST_MESSAGE_PREFIX","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEPOSIT_CONTRACT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LIDO","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PAUSE_MESSAGE_PREFIX","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"addGuardian","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"addresses","type":"address[]"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"addGuardians","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"canDeposit","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"depositRoot","type":"bytes32"},{"internalType":"uint256","name":"keysOpIndex","type":"uint256"},{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"bytes32","name":"blockHash","type":"bytes32"},{"components":[{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"vs","type":"bytes32"}],"internalType":"struct DepositSecurityModule.Signature[]","name":"sortedGuardianSignatures","type":"tuple[]"}],"name":"depositBufferedEther","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"getGuardianIndex","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGuardianQuorum","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGuardians","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMaxDeposits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMinDepositBlockDistance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNodeOperatorsRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPauseIntentValidityPeriodBlocks","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isGuardian","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"components":[{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"vs","type":"bytes32"}],"internalType":"struct DepositSecurityModule.Signature","name":"sig","type":"tuple"}],"name":"pauseDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"newQuorum","type":"uint256"}],"name":"removeGuardian","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setGuardianQuorum","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setMaxDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setMinDepositBlockDistance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newValue","type":"address"}],"name":"setNodeOperatorsRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newValue","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"setPauseIntentValidityPeriodBlocks","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpauseDeposits","outputs":[],"stateMutability":"nonpayable","type":"function"}]
\ No newline at end of file
diff --git a/lib/abi/IDepositContract.json b/lib/abi/IDepositContract.json
new file mode 100644
index 000000000..bbbff4979
--- /dev/null
+++ b/lib/abi/IDepositContract.json
@@ -0,0 +1 @@
+[{"inputs":[],"name":"get_deposit_root","outputs":[{"internalType":"bytes32","name":"rootHash","type":"bytes32"}],"stateMutability":"view","type":"function"}]
\ No newline at end of file
diff --git a/lib/abi/IETHRegistrarController.json b/lib/abi/IETHRegistrarController.json
new file mode 100644
index 000000000..ea487d959
--- /dev/null
+++ b/lib/abi/IETHRegistrarController.json
@@ -0,0 +1 @@
+[{"constant":true,"inputs":[{"name":"name","type":"string"},{"name":"duration","type":"uint256"}],"name":"rentPrice","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"name","type":"string"},{"name":"owner","type":"address"},{"name":"duration","type":"uint256"},{"name":"secret","type":"bytes32"}],"name":"register","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"MIN_REGISTRATION_DURATION","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"minCommitmentAge","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"name","type":"string"}],"name":"valid","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"name":"name","type":"string"}],"name":"available","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"maxCommitmentAge","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"commitment","type":"bytes32"}],"name":"commit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"name","type":"string"},{"name":"owner","type":"address"},{"name":"secret","type":"bytes32"}],"name":"makeCommitment","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"pure","type":"function"}]
\ No newline at end of file
diff --git a/lib/abi/IInterfaceResolver.json b/lib/abi/IInterfaceResolver.json
new file mode 100644
index 000000000..26db06286
--- /dev/null
+++ b/lib/abi/IInterfaceResolver.json
@@ -0,0 +1 @@
+[{"constant":true,"inputs":[{"name":"node","type":"bytes32"},{"name":"interfaceID","type":"bytes4"}],"name":"interfaceImplementer","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}]
\ No newline at end of file
diff --git a/lib/abi/ILido.json b/lib/abi/ILido.json
new file mode 100644
index 000000000..6f7d89520
--- /dev/null
+++ b/lib/abi/ILido.json
@@ -0,0 +1 @@
+[{"inputs":[{"internalType":"uint256","name":"maxDeposits","type":"uint256"}],"name":"depositBufferedEther","outputs":[],"stateMutability":"nonpayable","type":"function"}]
\ No newline at end of file
diff --git a/lib/abi/INodeOperatorsRegistry.json b/lib/abi/INodeOperatorsRegistry.json
new file mode 100644
index 000000000..49a40bbae
--- /dev/null
+++ b/lib/abi/INodeOperatorsRegistry.json
@@ -0,0 +1 @@
+[{"inputs":[],"name":"getKeysOpIndex","outputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"stateMutability":"view","type":"function"}]
\ No newline at end of file
diff --git a/lib/abi/NodeOperatorsRegistry.json b/lib/abi/NodeOperatorsRegistry.json
index 1e8a2a9ad..a0356f8b7 100644
--- a/lib/abi/NodeOperatorsRegistry.json
+++ b/lib/abi/NodeOperatorsRegistry.json
@@ -1 +1 @@
-[{"constant":true,"inputs":[],"name":"hasInitialized","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"string"},{"name":"_rewardAddress","type":"address"},{"name":"_stakingLimit","type":"uint64"}],"name":"addNodeOperator","outputs":[{"name":"id","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_quantity","type":"uint256"},{"name":"_pubkeys","type":"bytes"},{"name":"_signatures","type":"bytes"}],"name":"addSigningKeys","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_script","type":"bytes"}],"name":"getEVMScriptExecutor","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getRecoveryVault","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_numKeys","type":"uint256"}],"name":"assignNextSigningKeys","outputs":[{"name":"pubkeys","type":"bytes"},{"name":"signatures","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"SIGNATURE_LENGTH","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"SET_NODE_OPERATOR_ADDRESS_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_name","type":"string"}],"name":"setNodeOperatorName","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_totalRewardShares","type":"uint256"}],"name":"getRewardsDistribution","outputs":[{"name":"recipients","type":"address[]"},{"name":"shares","type":"uint256[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_active","type":"bool"}],"name":"setNodeOperatorActive","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"SET_NODE_OPERATOR_NAME_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_index","type":"uint256"}],"name":"removeSigningKey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"ADD_NODE_OPERATOR_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"token","type":"address"}],"name":"allowRecoverability","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_quantity","type":"uint256"},{"name":"_pubkeys","type":"bytes"},{"name":"_signatures","type":"bytes"}],"name":"addSigningKeysOperatorBH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"appId","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getActiveNodeOperatorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getInitializationBlock","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_operator_id","type":"uint256"}],"name":"getUnusedSigningKeyCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_rewardAddress","type":"address"}],"name":"setNodeOperatorRewardAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"},{"name":"_fullInfo","type":"bool"}],"name":"getNodeOperator","outputs":[{"name":"active","type":"bool"},{"name":"name","type":"string"},{"name":"rewardAddress","type":"address"},{"name":"stakingLimit","type":"uint64"},{"name":"stoppedValidators","type":"uint64"},{"name":"totalSigningKeys","type":"uint64"},{"name":"usedSigningKeys","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"}],"name":"transferToVault","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_sender","type":"address"},{"name":"_role","type":"bytes32"},{"name":"_params","type":"uint256[]"}],"name":"canPerform","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getEVMScriptRegistry","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"PUBKEY_LENGTH","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getNodeOperatorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_stakingLimit","type":"uint64"}],"name":"setNodeOperatorStakingLimit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_index","type":"uint256"}],"name":"getSigningKey","outputs":[{"name":"key","type":"bytes"},{"name":"depositSignature","type":"bytes"},{"name":"used","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_stoppedIncrement","type":"uint64"}],"name":"reportStoppedValidators","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_lido","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"REPORT_STOPPED_VALIDATORS_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getKeysOpIndex","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"kernel","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"SET_NODE_OPERATOR_ACTIVE_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"SET_NODE_OPERATOR_LIMIT_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_operator_id","type":"uint256"}],"name":"getTotalSigningKeyCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isPetrified","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_index","type":"uint256"}],"name":"removeSigningKeyOperatorBH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"MANAGE_SIGNING_KEYS","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"trimUnusedKeys","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"executor","type":"address"},{"indexed":false,"name":"script","type":"bytes"},{"indexed":false,"name":"input","type":"bytes"},{"indexed":false,"name":"returnData","type":"bytes"}],"name":"ScriptResult","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"vault","type":"address"},{"indexed":true,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RecoverToVault","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"name","type":"string"},{"indexed":false,"name":"rewardAddress","type":"address"},{"indexed":false,"name":"stakingLimit","type":"uint64"}],"name":"NodeOperatorAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"active","type":"bool"}],"name":"NodeOperatorActiveSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"name","type":"string"}],"name":"NodeOperatorNameSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"rewardAddress","type":"address"}],"name":"NodeOperatorRewardAddressSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"stakingLimit","type":"uint64"}],"name":"NodeOperatorStakingLimitSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"totalStopped","type":"uint64"}],"name":"NodeOperatorTotalStoppedValidatorsReported","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operatorId","type":"uint256"},{"indexed":false,"name":"pubkey","type":"bytes"}],"name":"SigningKeyAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operatorId","type":"uint256"},{"indexed":false,"name":"pubkey","type":"bytes"}],"name":"SigningKeyRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"oldKeysOpIndex","type":"uint256"},{"indexed":false,"name":"newKeysOpIndex","type":"uint256"}],"name":"KeysOpIndexSet","type":"event"}]
\ No newline at end of file
+[{"constant":true,"inputs":[],"name":"hasInitialized","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_quantity","type":"uint256"},{"name":"_pubkeys","type":"bytes"},{"name":"_signatures","type":"bytes"}],"name":"addSigningKeys","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_script","type":"bytes"}],"name":"getEVMScriptExecutor","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getRecoveryVault","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_numKeys","type":"uint256"}],"name":"assignNextSigningKeys","outputs":[{"name":"pubkeys","type":"bytes"},{"name":"signatures","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"SIGNATURE_LENGTH","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"SET_NODE_OPERATOR_ADDRESS_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_index","type":"uint256"},{"name":"_amount","type":"uint256"}],"name":"removeSigningKeysOperatorBH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_name","type":"string"}],"name":"setNodeOperatorName","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_totalRewardShares","type":"uint256"}],"name":"getRewardsDistribution","outputs":[{"name":"recipients","type":"address[]"},{"name":"shares","type":"uint256[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_active","type":"bool"}],"name":"setNodeOperatorActive","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"SET_NODE_OPERATOR_NAME_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_index","type":"uint256"}],"name":"removeSigningKey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_index","type":"uint256"},{"name":"_amount","type":"uint256"}],"name":"removeSigningKeys","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"ADD_NODE_OPERATOR_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"token","type":"address"}],"name":"allowRecoverability","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_quantity","type":"uint256"},{"name":"_pubkeys","type":"bytes"},{"name":"_signatures","type":"bytes"}],"name":"addSigningKeysOperatorBH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"appId","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getActiveNodeOperatorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"string"},{"name":"_rewardAddress","type":"address"}],"name":"addNodeOperator","outputs":[{"name":"id","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getInitializationBlock","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_operator_id","type":"uint256"}],"name":"getUnusedSigningKeyCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_rewardAddress","type":"address"}],"name":"setNodeOperatorRewardAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_id","type":"uint256"},{"name":"_fullInfo","type":"bool"}],"name":"getNodeOperator","outputs":[{"name":"active","type":"bool"},{"name":"name","type":"string"},{"name":"rewardAddress","type":"address"},{"name":"stakingLimit","type":"uint64"},{"name":"stoppedValidators","type":"uint64"},{"name":"totalSigningKeys","type":"uint64"},{"name":"usedSigningKeys","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"}],"name":"transferToVault","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_sender","type":"address"},{"name":"_role","type":"bytes32"},{"name":"_params","type":"uint256[]"}],"name":"canPerform","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getEVMScriptRegistry","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"PUBKEY_LENGTH","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getNodeOperatorsCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_stakingLimit","type":"uint64"}],"name":"setNodeOperatorStakingLimit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_index","type":"uint256"}],"name":"getSigningKey","outputs":[{"name":"key","type":"bytes"},{"name":"depositSignature","type":"bytes"},{"name":"used","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_id","type":"uint256"},{"name":"_stoppedIncrement","type":"uint64"}],"name":"reportStoppedValidators","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_lido","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"REPORT_STOPPED_VALIDATORS_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getKeysOpIndex","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"kernel","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"SET_NODE_OPERATOR_ACTIVE_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"SET_NODE_OPERATOR_LIMIT_ROLE","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_operator_id","type":"uint256"}],"name":"getTotalSigningKeyCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isPetrified","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_operator_id","type":"uint256"},{"name":"_index","type":"uint256"}],"name":"removeSigningKeyOperatorBH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"MANAGE_SIGNING_KEYS","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"trimUnusedKeys","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"executor","type":"address"},{"indexed":false,"name":"script","type":"bytes"},{"indexed":false,"name":"input","type":"bytes"},{"indexed":false,"name":"returnData","type":"bytes"}],"name":"ScriptResult","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"vault","type":"address"},{"indexed":true,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RecoverToVault","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"id","type":"uint256"},{"indexed":false,"name":"name","type":"string"},{"indexed":false,"name":"rewardAddress","type":"address"},{"indexed":false,"name":"stakingLimit","type":"uint64"}],"name":"NodeOperatorAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"active","type":"bool"}],"name":"NodeOperatorActiveSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"name","type":"string"}],"name":"NodeOperatorNameSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"rewardAddress","type":"address"}],"name":"NodeOperatorRewardAddressSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"stakingLimit","type":"uint64"}],"name":"NodeOperatorStakingLimitSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"totalStopped","type":"uint64"}],"name":"NodeOperatorTotalStoppedValidatorsReported","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"totalKeysTrimmed","type":"uint64"}],"name":"NodeOperatorTotalKeysTrimmed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operatorId","type":"uint256"},{"indexed":false,"name":"pubkey","type":"bytes"}],"name":"SigningKeyAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operatorId","type":"uint256"},{"indexed":false,"name":"pubkey","type":"bytes"}],"name":"SigningKeyRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"keysOpIndex","type":"uint256"}],"name":"KeysOpIndexSet","type":"event"}]
\ No newline at end of file