github.com/koko1123/flow-go-1@v0.29.6/module/receipt_validator.go (about) 1 package module 2 3 import "github.com/koko1123/flow-go-1/model/flow" 4 5 // ReceiptValidator is an interface which is used for validating 6 // receipts with respect to current protocol state. 7 type ReceiptValidator interface { 8 9 // Validate verifies that the ExecutionReceipt satisfies 10 // the following conditions: 11 // * is from Execution node with positive weight 12 // * has valid signature 13 // * chunks are in correct format 14 // * execution result has a valid parent and satisfies the subgraph check 15 // Returns nil if all checks passed successfully. 16 // Expected errors during normal operations: 17 // * engine.InvalidInputError 18 // if receipt violates protocol condition 19 // * engine.UnverifiableInputError 20 // if receipt's parent result is unknown 21 Validate(receipts *flow.ExecutionReceipt) error 22 23 // ValidatePayload verifies the ExecutionReceipts and ExecutionResults 24 // in the payload for compliance with the protocol: 25 // Receipts: 26 // * are from Execution node with positive weight 27 // * have valid signature 28 // * chunks are in correct format 29 // * no duplicates in fork 30 // Results: 31 // * have valid parents and satisfy the subgraph check 32 // * extend the execution tree, where the tree root is the latest 33 // finalized block and only results from this fork are included 34 // * no duplicates in fork 35 // Expected errors during normal operations: 36 // * engine.InvalidInputError 37 // if some receipts in the candidate block violate protocol condition 38 // * engine.UnverifiableInputError 39 // if for some of the receipts, their respective parent result is unknown 40 ValidatePayload(candidate *flow.Block) error 41 }