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ValidatorConfig

tempo_precompiles::validator_config

Struct ValidatorConfig 

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pub struct ValidatorConfig {
    pub owner: <Address as StorableType>::Handler,
    pub validators_array: <Vec<Address> as StorableType>::Handler,
    pub validators: <Mapping<Address, Validator> as StorableType>::Handler,
    pub next_dkg_ceremony: <u64 as StorableType>::Handler,
    address: Address,
    storage: StorageCtx,
}

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§owner: <Address as StorableType>::Handler§validators_array: <Vec<Address> as StorableType>::Handler§validators: <Mapping<Address, Validator> as StorableType>::Handler§next_dkg_ceremony: <u64 as StorableType>::Handler§address: Address§storage: StorageCtx

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impl ValidatorConfig

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pub fn new() -> Self

Creates an instance of the precompile.

Caution: This does not initialize the account, see Self::initialize.

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fn __new(address: Address) -> Self

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fn __initialize(&mut self) -> Result<()>

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fn emit_event(&mut self, event: impl IntoLogData) -> Result<()>

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pub fn emitted_events(&self) -> &Vec<LogData>

Available on crate features test-utils only.
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pub fn clear_emitted_events(&mut self)

Available on crate features test-utils only.
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pub fn assert_emitted_events(&self, expected: Vec<impl IntoLogData>)

Available on crate features test-utils only.
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impl ValidatorConfig

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pub fn initialize(&mut self, owner: Address) -> Result<()>

Initializes the validator config (V1) precompile with an owner.

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pub fn owner(&self) -> Result<Address>

Returns the current contract owner address.

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pub fn check_owner(&self, caller: Address) -> Result<()>

Returns Ok(()) if caller is the owner, otherwise reverts with unauthorized.

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pub fn change_owner( &mut self, sender: Address, call: changeOwnerCall, ) -> Result<()>

Transfers contract ownership to newOwner. Owner-only.

§Errors
  • unauthorized — if sender is not the contract owner
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pub fn validator_count(&self) -> Result<u64>

Returns the total number of registered validators.

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pub fn validators_array(&self, index: u64) -> Result<Address>

Returns the validator address stored at index in the ordered array.

§Errors
  • Panic(ArrayOutOfBounds) — if index is out of range
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pub fn validators(&self, validator: Address) -> Result<Validator>

Returns the full IValidatorConfig::Validator record for the given address.

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fn validator_exists(&self, validator: Address) -> Result<bool>

Check if a validator exists by checking if their publicKey is non-zero Since ed25519 keys cannot be zero, this is a reliable existence check

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pub fn get_validators(&self) -> Result<Vec<Validator>>

Returns all registered validators in index order.

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pub fn add_validator( &mut self, sender: Address, call: addValidatorCall, ) -> Result<()>

Registers a new validator with the given key, addresses, and status. Owner-only.

Validates the public key, checks for duplicates, and ensures both inbound and outbound addresses are valid <ip>:<port> pairs before appending to the registry.

§Errors
  • invalid_public_key — if publicKey is zero (sentinel for non-existence)
  • unauthorized — if sender is not the contract owner
  • validator_already_exists — if a validator with newValidatorAddress already exists
  • not_host_port — if inboundAddress is not a valid <ip>:<port>
  • not_ip_port — if outboundAddress is not a valid <ip>:<port>
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pub fn update_validator( &mut self, sender: Address, call: updateValidatorCall, ) -> Result<()>

Updates validator information and optionally rotates to a new address.

If newValidatorAddress differs from sender, the old record is cleared and the array entry is updated to point at the new address.

§Security Note

The field validator_address must never be set to a user-controllable address.

This function allows validators to update their own public key mid-epoch, which could cause a chain halt at the next epoch boundary if exploited (the DKG manager panics when the original key stored in the boundary header cannot be mapped to the modified registry). By setting validator addresses to non-user-controllable addresses in the genesis config, only the contract owner (admin) can effectively call this function.

§Errors
  • invalid_public_key — if publicKey is zero (sentinel for non-existence)
  • validator_not_found — if sender is not a registered validator
  • validator_already_exists — if rotating to an address that already has a validator
  • not_host_port — if inboundAddress is not a valid <ip>:<port>
  • not_ip_port — if outboundAddress is not a valid <ip>:<port>
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pub fn change_validator_status( &mut self, sender: Address, call: changeValidatorStatusCall, ) -> Result<()>

Sets a validator’s active flag by address. Owner-only.

Deprecated: prefer Self::change_validator_status_by_index to prevent front-running.

§Errors
  • unauthorized — if sender is not the contract owner
  • validator_not_found — if no validator exists at call.validator
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pub fn change_validator_status_by_index( &mut self, sender: Address, call: changeValidatorStatusByIndexCall, ) -> Result<()>

Sets a validator’s active flag by array index. Owner-only, T1+.

Added in T1 to prevent front-running attacks where a validator rotates its address.

§Errors
  • unauthorized — if sender is not the contract owner
  • validator_not_found — if call.index is out of bounds
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pub fn get_next_full_dkg_ceremony(&self) -> Result<u64>

Returns the epoch at which a fresh DKG ceremony will be triggered.

The fresh DKG ceremony runs in epoch N, and epoch N+1 uses the new DKG polynomial.

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pub fn next_dkg_ceremony(&self) -> Result<u64>

Alias for Self::get_next_full_dkg_ceremony.

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pub fn set_next_full_dkg_ceremony( &mut self, sender: Address, call: setNextFullDkgCeremonyCall, ) -> Result<()>

Sets the epoch at which a fresh DKG ceremony will be triggered. Owner-only.

Epoch N runs the ceremony, and epoch N+1 uses the new DKG polynomial.

§Errors
  • unauthorized — if sender is not the contract owner
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impl ValidatorConfig

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pub fn create_precompile(cfg: &CfgEnv<TempoHardfork>) -> DynPrecompile

Creates the EVM precompile for this type.

Trait Implementations§

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impl ContractStorage for ValidatorConfig

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fn address(&self) -> Address

Contract address.
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fn storage(&self) -> &StorageCtx

Contract storage accessor.
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fn storage_mut(&mut self) -> &mut StorageCtx

Contract storage mutable accessor.
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fn is_initialized(&self) -> Result<bool>

Returns true if the contract has been initialized (has bytecode deployed).
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impl Default for ValidatorConfig

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Precompile for ValidatorConfig

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fn call(&mut self, calldata: &[u8], msg_sender: Address) -> PrecompileResult

Dispatches an EVM call to this precompile. Read more

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fn from_recovered_tx(tx: &&T, sender: Address) -> TxEnv

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fn from_encoded_tx(tx: &&T, sender: Address, encoded: Bytes) -> TxEnv

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 376 bytes