keeper

package
v0.0.24 Latest Latest
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 Go to latest Published: Mar 27, 2026 License: MIT Imports: 34 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var UNIVERSAL_PAYLOAD_TYPEHASH = common.HexToHash("0x1d8b43e5066bd20bfdacf7b8f4790c0309403b18434e3699ce3c5e57502ed8c4")

Functions

func AbiArgumentsForPayload 

func AbiArgumentsForPayload() abi.Arguments

AbiArgumentsForPayload returns the abi.Arguments for encoding a UniversalPayload struct

func NewEVMHooks added in v0.0.13 

func NewEVMHooks(k Keeper) evmtypes.EvmHooks

NewEVMHooks creates a new instance of EVMHooks.

func NewMsgServerImpl 

func NewMsgServerImpl(keeper Keeper) types.MsgServer

NewMsgServerImpl returns an implementation of the module MsgServer interface

Types

type EVMHooks added in v0.0.13 

type EVMHooks struct {
	// contains filtered or unexported fields
}

EVMHooks implements the EVM post-processing hooks. This hook will be invoked after every EVM transaction execution and is responsible for detecting outbound events and creating UniversalTx if needed.

func (EVMHooks) PostTxProcessing added in v0.0.13 

func (h EVMHooks) PostTxProcessing(
	ctx sdk.Context,
	sender common.Address,
	msg core.Message,
	receipt *ethtypes.Receipt,
) error

PostTxProcessing is called by the EVM module after transaction execution. It inspects the receipt and creates UniversalTx + Outbound only if UniversalTxWithdraw event is detected.

type Keeper 

type Keeper struct {
	Params collections.Item[types.Params]

	// Inbound trackers
	PendingInbounds collections.KeySet[string]

	// UniversalTx collection
	UniversalTx collections.Map[string, types.UniversalTx]

	// Module account manual nonce
	ModuleAccountNonce collections.Item[uint64]

	// GasPrices collection stores aggregated gas price data for each chain
	GasPrices collections.Map[string, types.GasPrice]

	// ChainMetas collection stores aggregated chain metadata (gas price + block height) for each chain
	ChainMetas collections.Map[string, types.ChainMeta]
	// contains filtered or unexported fields
}

func NewKeeper 

func NewKeeper(
	cdc codec.BinaryCodec,
	storeService storetypes.KVStoreService,
	logger log.Logger,
	authority string,
	evmKeeper types.EVMKeeper,
	feemarketKeeper types.FeeMarketKeeper,
	bankKeeper types.BankKeeper,
	accountKeeper types.AccountKeeper,
	uregistryKeeper types.UregistryKeeper,
	utxverifierKeeper types.UtxverifierKeeper,
	uvalidatorKeeper types.UValidatorKeeper,
) Keeper

NewKeeper creates a new Keeper instance

func (Keeper) AddPendingInbound 

func (k Keeper) AddPendingInbound(ctx context.Context, inbound types.Inbound) error

AddPendingInbound adds an inbound synthetic to the pending set if not already present

func (Keeper) AllPendingInbounds 

func (k Keeper) AllPendingInbounds(goCtx context.Context, req *types.QueryAllPendingInboundsRequest) (*types.QueryAllPendingInboundsResponse, error)

AllPendingInbounds implements types.QueryServer.

func (Keeper) AttachOutboundsToExistingUniversalTx added in v0.0.13 

func (k Keeper) AttachOutboundsToExistingUniversalTx(
	ctx sdk.Context,
	receipt *evmtypes.MsgEthereumTxResponse,
	utx types.UniversalTx,
) error

AttachOutboundsToExistingUniversalTx Used when UniversalTx already exists (e.g. inbound execution) It attaches outbounds extracted from receipt to the existing utx.

func (Keeper) AttachRescueOutboundFromReceipt added in v0.0.19 

func (k Keeper) AttachRescueOutboundFromReceipt(
	ctx sdk.Context,
	receipt *evmtypes.MsgEthereumTxResponse,
	pcTx types.PCTx,
) error

AttachRescueOutboundFromReceipt scans the receipt for RescueFundsOnSourceChain events emitted by UniversalGatewayPC and, for each one found, attaches a RESCUE_FUNDS outbound to the original UTX referenced by the event's universalTxId.

Unlike normal outbounds (which create a new UTX), rescue outbounds are appended to the already-existing UTX whose funds are stuck on the source chain.

func (Keeper) BuildOutboundsFromReceipt added in v0.0.13 

func (k Keeper) BuildOutboundsFromReceipt(
	ctx context.Context,
	utxId string,
	receipt *evmtypes.MsgEthereumTxResponse,
) ([]*types.OutboundTx, error)

func (Keeper) BuildPcUniversalTxKey added in v0.0.13 

func (k Keeper) BuildPcUniversalTxKey(ctx context.Context, pc types.PCTx) (string, error)

func (Keeper) CalculateGasCost 

func (k Keeper) CalculateGasCost(
	baseFee sdkmath.LegacyDec,
	maxFeePerGas *big.Int,
	maxPriorityFeePerGas *big.Int,
	gasUsed uint64,
) (*big.Int, error)

CalculateGasCost calculates the gas cost based on EIP-1559 fee mechanism: 1. Effective Gas Price = min(maxFeePerGas, baseFee + maxPriorityFeePerGas) 2. Total Fee = gasUsed × Effective Gas Price Parameters: - baseFee: current network base fee - maxFeePerGas: maximum total fee user is willing to pay - maxPriorityFeePerGas: maximum tip to validator - gasUsed: amount of gas consumed

func (Keeper) CallExecuteUniversalTx added in v0.0.19 

func (k Keeper) CallExecuteUniversalTx(
	ctx sdk.Context,
	recipientAddr common.Address,
	sourceChain string,
	ceaAddress []byte,
	payload []byte,
	amount *big.Int,
	prc20AssetAddr common.Address,
	txId [32]byte,
) (*evmtypes.MsgEthereumTxResponse, error)

CallExecuteUniversalTx calls executeUniversalTx on a smart-contract recipient. This is used for isCEA inbounds whose recipient is a deployed contract (not a UEA).

func (Keeper) CallFactoryGetOriginForUEA added in v0.0.16 

func (k Keeper) CallFactoryGetOriginForUEA(
	ctx sdk.Context,
	from, factoryAddr, ueaAddr common.Address,
) (*types.UniversalAccountId, bool, error)

CallFactoryGetOriginForUEA checks if a given address is a UEA Returns the UniversalAccountId and a boolean indicating if the address is a UEA

func (Keeper) CallFactoryToDeployUEA 

func (k Keeper) CallFactoryToDeployUEA(
	ctx sdk.Context,
	from, factoryAddr common.Address,
	universalAccount *types.UniversalAccountId,
) (*evmtypes.MsgEthereumTxResponse, error)

CallFactoryToDeployUEA deploys a new UEA using factory contract Returns deployment response or error if deployment fails

func (Keeper) CallFactoryToGetUEAAddressForOrigin 

func (k Keeper) CallFactoryToGetUEAAddressForOrigin(
	ctx sdk.Context,
	from, factoryAddr common.Address,
	universalAccount *types.UniversalAccountId,
) (common.Address, bool, error)

CallFactoryToGetUEAAddressForOrigin calls FactoryV1.getUEAForOrigin(...)

func (Keeper) CallPRC20Deposit 

func (k Keeper) CallPRC20Deposit(
	ctx sdk.Context,
	prc20Address, to common.Address,
	amount *big.Int,
) (*evmtypes.MsgEthereumTxResponse, error)

Calls Handler Contract to deposit prc20 tokens

func (Keeper) CallPRC20DepositAutoSwap 

func (k Keeper) CallPRC20DepositAutoSwap(
	ctx sdk.Context,
	prc20Address, to common.Address,
	amount, fee, minPCOut *big.Int,
) (*evmtypes.MsgEthereumTxResponse, error)

Calls Handler Contract to deposit prc20 tokens with auto-swap. fee and minPCOut must be pre-computed by the caller (see GetDefaultFeeTierForToken / GetSwapQuote).

func (Keeper) CallUEADomainSeparator 

func (k Keeper) CallUEADomainSeparator(
	ctx sdk.Context,
	from, ueaAddr common.Address,
) ([32]byte, error)

CallUEADomainSeparator fetches the domainSeparator from the UEA contract

func (Keeper) CallUEAExecutePayload 

func (k Keeper) CallUEAExecutePayload(
	ctx sdk.Context,
	from, ueaAddr common.Address,
	universal_payload *types.UniversalPayload,
	verificationData []byte,
) (*evmtypes.MsgEthereumTxResponse, error)

CallUEAExecutePayload executes a universal payload through UEA

func (Keeper) CallUEAMigrateUEA 

func (k Keeper) CallUEAMigrateUEA(
	ctx sdk.Context,
	from, ueaAddr common.Address,
	migration_payload *types.MigrationPayload,
	signature []byte,
) (*evmtypes.MsgEthereumTxResponse, error)

CallUEAMigrateUEA migrates UEA through existing UEA

func (Keeper) CallUniversalCoreRefundUnusedGas added in v0.0.19 

func (k Keeper) CallUniversalCoreRefundUnusedGas(
	ctx sdk.Context,
	gasToken common.Address,
	amount *big.Int,
	recipient common.Address,
	withSwap bool,
	fee *big.Int,
	minPCOut *big.Int,
) (*evmtypes.MsgEthereumTxResponse, error)

CallUniversalCoreRefundUnusedGas calls refundUnusedGas on UniversalCore to return excess gas fee to the recipient. withSwap=true swaps the gas token back to PC; withSwap=false deposits PRC20 directly.

func (Keeper) CallUniversalCoreSetChainMeta added in v0.0.19 

func (k Keeper) CallUniversalCoreSetChainMeta(
	ctx sdk.Context,
	chainNamespace string,
	price *big.Int,
	chainHeight *big.Int,
) (*evmtypes.MsgEthereumTxResponse, error)

Calls UniversalCore Contract to set chain metadata (gas price + chain height). The contract uses block.timestamp for the observed-at value.

func (Keeper) CallUniversalCoreSetGasPrice 

func (k Keeper) CallUniversalCoreSetGasPrice(
	ctx sdk.Context,
	chainID string,
	price *big.Int,
) (*evmtypes.MsgEthereumTxResponse, error)

Calls UniversalCore Contract to set gas price

func (Keeper) CreateUniversalTx 

func (k Keeper) CreateUniversalTx(ctx context.Context, key string, utx types.UniversalTx) error

CreateUniversalTx stores a new UniversalTx

func (Keeper) CreateUniversalTxFromPCTx added in v0.0.13 

func (k Keeper) CreateUniversalTxFromPCTx(
	ctx context.Context,
	pcTx types.PCTx,
) (*types.UniversalTx, error)

func (Keeper) CreateUniversalTxFromReceiptIfOutbound added in v0.0.13 

func (k Keeper) CreateUniversalTxFromReceiptIfOutbound(
	ctx sdk.Context,
	receipt *evmtypes.MsgEthereumTxResponse,
	pcTx types.PCTx,
) error

CreateUniversalTxFromReceiptIfOutbound Creates a UniversalTx ONLY if outbound events exist in the receipt. Safe to call from ExecutePayload, EVM hooks

func (Keeper) DeductAndBurnFees 

func (k Keeper) DeductAndBurnFees(ctx context.Context, from sdk.AccAddress, gasCost *big.Int) error

DeductAndBurnFees deducts gas fees from the user's smart account and burns them. The process happens in two steps: 1. Transfer coins from user account to module account 2. Burn coins from module account Returns error if either transfer or burn fails

func (Keeper) DeployUEA 

func (k Keeper) DeployUEA(ctx context.Context, evmFrom common.Address, universalAccountId *types.UniversalAccountId) ([]byte, error)

updateParams is for updating params collections of the module

func (Keeper) DeployUEAV2 

func (k Keeper) DeployUEAV2(ctx context.Context, evmFrom common.Address, universalAccountId *types.UniversalAccountId) (*evmtypes.MsgEthereumTxResponse, error)

updateParams is for updating params collections of the module

func (Keeper) ExecuteInbound 

func (k Keeper) ExecuteInbound(ctx context.Context, utx types.UniversalTx) error

func (Keeper) ExecuteInboundFunds 

func (k Keeper) ExecuteInboundFunds(ctx context.Context, utx types.UniversalTx) error

func (Keeper) ExecuteInboundFundsAndPayload 

func (k Keeper) ExecuteInboundFundsAndPayload(ctx context.Context, utx types.UniversalTx) error

func (Keeper) ExecuteInboundGas 

func (k Keeper) ExecuteInboundGas(ctx context.Context, inbound types.Inbound) error

func (Keeper) ExecuteInboundGasAndPayload 

func (k Keeper) ExecuteInboundGasAndPayload(ctx context.Context, utx types.UniversalTx) error

func (Keeper) ExecutePayload 

func (k Keeper) ExecutePayload(ctx context.Context, evmFrom common.Address, universalAccountId *types.UniversalAccountId, universalPayload *types.UniversalPayload, verificationData string) error

updateParams is for updating params collections of the module

func (Keeper) ExecutePayloadV2 

func (k Keeper) ExecutePayloadV2(ctx context.Context, evmFrom common.Address, ueaAddr common.Address, universalPayload *types.UniversalPayload, verificationData string) (*vmtypes.MsgEthereumTxResponse, error)

ExecutePayloadV2 executes a universal payload through a UEA. The caller is responsible for resolving and validating ueaAddr before calling this function.

func (*Keeper) ExportGenesis 

func (k *Keeper) ExportGenesis(ctx context.Context) *types.GenesisState

ExportGenesis exports the module's state to a genesis state.

func (Keeper) FinalizeOutbound added in v0.0.13 

func (k Keeper) FinalizeOutbound(ctx context.Context, utxId string, outbound types.OutboundTx) error

func (Keeper) GetChainMeta added in v0.0.19 

func (k Keeper) GetChainMeta(ctx context.Context, chainID string) (types.ChainMeta, bool, error)

func (Keeper) GetDefaultFeeTierForToken added in v0.0.19 

func (k Keeper) GetDefaultFeeTierForToken(ctx sdk.Context, prc20Address common.Address) (*big.Int, error)

GetDefaultFeeTierForToken reads defaultFeeTier[prc20] from UniversalCore.

func (Keeper) GetGasPrice 

func (k Keeper) GetGasPrice(ctx context.Context, chainID string) (types.GasPrice, bool, error)

func (Keeper) GetModuleAccountNonce 

func (k Keeper) GetModuleAccountNonce(ctx sdk.Context) (uint64, error)

GetModuleAccountNonce returns the current module account nonce. If not set yet, it safely defaults to 0.

func (Keeper) GetPayloadHashEVM 

func (k Keeper) GetPayloadHashEVM(
	ctx sdk.Context,
	from, ueaAddr common.Address,
	payload types.AbiUniversalPayload,
) (common.Hash, error)

GetPayloadHashEVM computes the EIP-712 style payload hash using the UEA contract's domainSeparator

func (Keeper) GetSwapQuote added in v0.0.19 

func (k Keeper) GetSwapQuote(
	ctx sdk.Context,
	quoterAddr, prc20Address, wpcAddress common.Address,
	fee, amount *big.Int,
) (*big.Int, error)

GetSwapQuote calls QuoterV2.quoteExactInputSingle (commit=false) to get the expected output amount for swapping prc20 → wpc.

func (*Keeper) GetUeModuleAddress 

func (k *Keeper) GetUeModuleAddress(ctx context.Context) (common.Address, string)

func (Keeper) GetUniversalCoreQuoterAddress added in v0.0.19 

func (k Keeper) GetUniversalCoreQuoterAddress(ctx sdk.Context) (common.Address, error)

GetUniversalCoreQuoterAddress reads the uniswapV3Quoter address stored in UniversalCore.

func (Keeper) GetUniversalCoreWPCAddress added in v0.0.19 

func (k Keeper) GetUniversalCoreWPCAddress(ctx sdk.Context) (common.Address, error)

GetUniversalCoreWPCAddress reads the WPC (wrapped PC) address stored in UniversalCore.

func (Keeper) GetUniversalTx 

func (k Keeper) GetUniversalTx(ctx context.Context, key string) (types.UniversalTx, bool, error)

GetUniversalTx retrieves a UniversalTx by key, returns (value, found, error). UniversalStatus is always populated on-the-fly from the actual component states so it is never stale regardless of what was written to storage.

func (Keeper) HasUniversalTx 

func (k Keeper) HasUniversalTx(ctx context.Context, key string) (bool, error)

HasUniversalTx checks if a UniversalTx exists

func (Keeper) IncrementModuleAccountNonce 

func (k Keeper) IncrementModuleAccountNonce(ctx sdk.Context) (uint64, error)

IncrementModuleAccountNonce increases the nonce by 1 and stores it back.

func (*Keeper) InitGenesis 

func (k *Keeper) InitGenesis(ctx context.Context, data *types.GenesisState) error

InitGenesis initializes the module's state from a genesis state.

func (Keeper) IsPendingInbound 

func (k Keeper) IsPendingInbound(ctx context.Context, inbound types.Inbound) (bool, error)

IsPendingInbound checks if an inbound synthetic is pending

func (Keeper) Logger 

func (k Keeper) Logger() log.Logger

func (Keeper) MigrateGasPricesToChainMeta added in v0.0.19 

func (k Keeper) MigrateGasPricesToChainMeta(ctx context.Context) error

MigrateGasPricesToChainMeta seeds ChainMetas from existing GasPrices entries. Called once during the chain-meta upgrade. Existing gas price data (prices, block_nums, median_index) is carried over; StoredAts defaults to zero (treated as stale until validators re-vote).

func (Keeper) MigrateUEA 

func (k Keeper) MigrateUEA(ctx context.Context, evmFrom common.Address, universalAccountId *types.UniversalAccountId, migrationPayload *types.MigrationPayload, signature string) error

updateParams is for updating params collections of the module

func (Keeper) MintPCTokensDirectly 

func (k Keeper) MintPCTokensDirectly(ctx sdk.Context, recipient sdk.AccAddress, amount sdkmath.Int) error

TODO: temporary don't use in any fn

func (Keeper) RemovePendingInbound 

func (k Keeper) RemovePendingInbound(ctx context.Context, inbound types.Inbound) error

RemovePendingInbound removes an inbound synthetic from the pending set

func (Keeper) SchemaBuilder 

func (k Keeper) SchemaBuilder() *collections.SchemaBuilder

func (Keeper) SetChainMeta added in v0.0.19 

func (k Keeper) SetChainMeta(ctx context.Context, chainID string, chainMeta types.ChainMeta) error

func (Keeper) SetGasPrice 

func (k Keeper) SetGasPrice(ctx context.Context, chainID string, gasPrice types.GasPrice) error

func (Keeper) SetModuleAccountNonce 

func (k Keeper) SetModuleAccountNonce(ctx sdk.Context, nonce uint64) error

SetModuleAccountNonce allows explicitly setting the nonce (optional, for migration or testing).

func (Keeper) StoreVerifiedPayloadHash 

func (k Keeper) StoreVerifiedPayloadHash(
	ctx sdk.Context,
	utx types.UniversalTx,
	ueaAddr common.Address,
	ueModuleAccAddress common.Address,
	sender string,
	chain string,
) error

StoreVerifiedPayloadHash stores one payload hash for a given inbound tx. sender is the address to record as the verified sender (UEA owner for CEA, inbound sender otherwise). chain is the CAIP-2 chain identifier to store under (UEA origin chain for CEA, inbound source chain otherwise).

func (Keeper) UpdateOutbound added in v0.0.13 

func (k Keeper) UpdateOutbound(ctx context.Context, utxId string, outbound types.OutboundTx) error

func (Keeper) UpdateParams 

func (k Keeper) UpdateParams(ctx context.Context, params types.Params) error

updateParams is for updating params collections of the module

func (Keeper) UpdateUniversalTx 

func (k Keeper) UpdateUniversalTx(
	ctx context.Context,
	key string,
	updateFn func(*types.UniversalTx) error,
) error

UpdateUniversalTx updates an existing UniversalTx in the store. It fetches the UniversalTx, applies the update function, and saves it back.

func (Keeper) VoteChainMeta added in v0.0.19 

func (k Keeper) VoteChainMeta(ctx context.Context, universalValidator sdk.ValAddress, observedChainId string, price, blockNumber uint64) error

VoteChainMeta processes a universal validator's vote on chain metadata (gas price + chain height).

Rules:

  1. If blockNumber <= entry.LastAppliedChainHeight the tx is rejected — the validator must re-vote with a newer block height.
  2. Each vote is stamped with the current block time (storedAt) when it is recorded.
  3. When computing medians, only votes whose storedAt is within the last chainMetaVoteStalenessSeconds seconds are considered.
  4. Price median and chain-height median are computed independently (upper median = len/2).
  5. After a successful EVM call, LastAppliedChainHeight is updated.

func (Keeper) VoteGasPrice 

func (k Keeper) VoteGasPrice(ctx context.Context, universalValidator sdk.ValAddress, observedChainId string, price, blockNumber uint64) error

func (Keeper) VoteInbound 

func (k Keeper) VoteInbound(ctx context.Context, universalValidator sdk.ValAddress, inbound types.Inbound) error

voteInbound is for uvalidators for voting on synthetic asset inbound bridging

func (Keeper) VoteOnInboundBallot 

func (k Keeper) VoteOnInboundBallot(
	ctx context.Context,
	universalValidator sdk.ValAddress,
	inbound types.Inbound,
) (isFinalized bool,
	isNew bool,
	err error)

func (Keeper) VoteOnOutboundBallot added in v0.0.13 

func (k Keeper) VoteOnOutboundBallot(
	ctx context.Context,
	universalValidator sdk.ValAddress,
	utxId string,
	outboundId string,
	observedTx types.OutboundObservation,
) (isFinalized bool,
	isNew bool,
	err error)

func (Keeper) VoteOutbound added in v0.0.13 

func (k Keeper) VoteOutbound(
	ctx context.Context,
	universalValidator sdk.ValAddress,
	utxId string,
	outboundId string,
	observedTx types.OutboundObservation,
) error

VoteOutbound is for uvalidators for voting on observed outbound tx on external chain

type Querier 

type Querier struct {
	Keeper
}

func NewQuerier 

func NewQuerier(keeper Keeper) Querier

func (Querier) AllChainMetas added in v0.0.19 

func (k Querier) AllChainMetas(goCtx context.Context, req *types.QueryAllChainMetasRequest) (*types.QueryAllChainMetasResponse, error)

AllChainMetas implements types.QueryServer. Returns paginated chain meta entries for all registered chains.

func (Querier) AllGasPrices 

func (k Querier) AllGasPrices(goCtx context.Context, req *types.QueryAllGasPricesRequest) (*types.QueryAllGasPricesResponse, error)

AllGasPrices implements types.QueryServer. Sources data from ChainMetas (the new unified store) to maintain backward compatibility. Falls back to the legacy GasPrices store for entries not yet migrated.

func (Querier) AllUniversalTx 

func (k Querier) AllUniversalTx(goCtx context.Context, req *types.QueryAllUniversalTxRequest) (*types.QueryAllUniversalTxResponse, error)

AllUniversalTx implements types.QueryServer.

func (Querier) ChainMeta added in v0.0.19 

func (k Querier) ChainMeta(goCtx context.Context, req *types.QueryChainMetaRequest) (*types.QueryChainMetaResponse, error)

ChainMeta implements types.QueryServer. Returns the aggregated chain metadata (gas price + chain height) for a specific chain.

func (Querier) GasPrice 

func (k Querier) GasPrice(goCtx context.Context, req *types.QueryGasPriceRequest) (*types.QueryGasPriceResponse, error)

GasPrice implements types.QueryServer. Sources data from ChainMetas (the new unified store) to maintain backward compatibility.

func (Querier) GetUniversalTx 

func (k Querier) GetUniversalTx(goCtx context.Context, req *types.QueryGetUniversalTxRequest) (*types.QueryGetUniversalTxResponse, error)

GetUniversalTx implements types.QueryServer.

func (Querier) Params 

func (k Querier) Params(c context.Context, req *types.QueryParamsRequest) (*types.QueryParamsResponse, error)

type QuerierV2 added in v0.0.16 

type QuerierV2 struct {
	Keeper
}

QuerierV2 implements the uexecutor.v2 QueryServer, returning native types.

func NewQuerierV2 added in v0.0.16 

func NewQuerierV2(keeper Keeper) QuerierV2

func (QuerierV2) GetUniversalTx added in v0.0.16 

func (k QuerierV2) GetUniversalTx(goCtx context.Context, req *typesv2.QueryGetUniversalTxRequest) (*typesv2.QueryGetUniversalTxResponse, error)

GetUniversalTx implements typesv2.QueryServer. Returns the native UniversalTx type (not legacy) for the given ID.

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