PendingTxChecker

abci/types/types.go

@@ -168,3 +168,28 @@ func MarshalTxResults(r []*ExecTxResult) ([][]byte, error) {
 
 // -----------------------------------------------
 // construct Result data
+
+type PendingTxCheckerResponse int
+
+const (
+	Accepted PendingTxCheckerResponse = iota
+	Rejected
+	Pending
+)
+
+type PendingTxChecker func() PendingTxCheckerResponse
+type ExpireTxHandler func()
+
+// ResponseCheckTxV2 response type contains non-protobuf fields, so non-local ABCI clients will not be able
+// to utilize the new fields in V2 type (but still be backwards-compatible)
+type ResponseCheckTxV2 struct {
+	*ResponseCheckTx
+	IsPendingTransaction bool
+	Checker              PendingTxChecker // must not be nil if IsPendingTransaction is true
+	ExpireTxHandler      ExpireTxHandler
+
+	// helper properties for prioritization in mempool
+	EVMNonce         uint64
+	EVMSenderAddress string
+	IsEVM            bool
+}