block-sdk/block/lane.go
2023-08-15 11:15:34 -04:00

72 lines
2.8 KiB
Go

package block
import (
"cosmossdk.io/log"
"cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkmempool "github.com/cosmos/cosmos-sdk/types/mempool"
)
// LaneMempool defines the interface a lane's mempool should implement. The basic API
// is the same as the sdk.Mempool, but it also includes a Compare function that is used
// to determine the relative priority of two transactions belonging in the same lane.
//
//go:generate mockery --name LaneMempool --output ./utils/mocks --outpkg mocks --case underscore
type LaneMempool interface {
sdkmempool.Mempool
// Compare determines the relative priority of two transactions belonging in the same lane. Compare
// will return -1 if this transaction has a lower priority than the other transaction, 0 if they have
// the same priority, and 1 if this transaction has a higher priority than the other transaction.
Compare(ctx sdk.Context, this, other sdk.Tx) int
// Contains returns true if the transaction is contained in the mempool.
Contains(tx sdk.Tx) bool
}
// Lane defines an interface used for matching transactions to lanes, storing transactions,
// and constructing partial blocks.
//
//go:generate mockery --name Lane --output ./utils/mocks --outpkg mocks --case underscore
type Lane interface {
LaneMempool
// PrepareLane builds a portion of the block. It inputs the maxTxBytes that can be
// included in the proposal for the given lane, the partial proposal, and a function
// to call the next lane in the chain. The next lane in the chain will be called with
// the updated proposal and context.
PrepareLane(
ctx sdk.Context,
proposal BlockProposal,
maxTxBytes int64,
next PrepareLanesHandler,
) (BlockProposal, error)
// CheckOrder validates that transactions belonging to this lane are not misplaced
// in the block proposal and respect the ordering rules of the lane.
CheckOrder(ctx sdk.Context, txs []sdk.Tx) error
// ProcessLane verifies this lane's portion of a proposed block. It inputs the transactions
// that may belong to this lane and a function to call the next lane in the chain. The next
// lane in the chain will be called with the updated context and filtered down transactions.
ProcessLane(ctx sdk.Context, proposalTxs []sdk.Tx, next ProcessLanesHandler) (sdk.Context, error)
// GetMaxBlockSpace returns the max block space for the lane as a relative percentage.
GetMaxBlockSpace() math.LegacyDec
// Logger returns the lane's logger.
Logger() log.Logger
// Name returns the name of the lane.
Name() string
// SetAnteHandler sets the lane's antehandler.
SetAnteHandler(antehander sdk.AnteHandler)
// SetIgnoreList sets the lanes that should be ignored by this lane.
SetIgnoreList(ignoreList []Lane)
// Match determines if a transaction belongs to this lane.
Match(ctx sdk.Context, tx sdk.Tx) bool
}