Merge pull request #883 from multiversx/crypto-ei-signature-hooks-errors

errors for invalid signatures in crypto hooks

Author: sstanculeanu

test/features/basic-features/scenarios/crypto_verify_bls.scen.json

@@ -58,7 +58,7 @@
             "expect": {
                 "out": [],
                 "status": "10",
-                "message": "str:err blsSignatureDeserialize 0032a2ddf341c08d1eb7232f05dc34e4454155e676b58c40fddf9a036562ac2c01533d2d557cb49d73aa9d7a89744696",
+                "message": "str:signature is invalid",
                 "logs": "*",
                 "gas": "*",
                 "refund": "*"

test/features/basic-features/scenarios/crypto_verify_bls_aggregated_signature.scen.json

@@ -70,7 +70,7 @@
             "expect": {
                 "out": [],
                 "status": "10",
-                "message": "str:err blsSignatureDeserialize 0012858363e8caa5b398d3febdd7bc01bc2fae1fef8f486ff4d84a5f3342f2d38085904eb10b73c0879a45d23585ce8f",
+                "message": "str:signature is invalid",
                 "logs": "*",
                 "gas": "*",
                 "refund": "*"

test/features/basic-features/scenarios/crypto_verify_bls_share.scen.json

@@ -58,7 +58,7 @@
             "expect": {
                 "out": [],
                 "status": "10",
-                "message": "str:err blsSignatureDeserialize ff725db195e37aa237cdbbda76270d4a229b6e7a3651104dc58c4349c0388e8546976fe54a04240530b99064e434c90f",
+                "message": "str:signature is invalid",
                 "logs": "*",
                 "gas": "*",
                 "refund": "*"

test/features/basic-features/scenarios/crypto_verify_secp256r1.scen.json

@@ -57,7 +57,7 @@
             "expect": {
                 "out": [],
                 "status": "10",
-                "message": "str:signature verification failed",
+                "message": "str:signature is invalid",
                 "logs": "*",
                 "gas": "*",
                 "refund": "*"

vmhost/errors.go

@@ -301,3 +301,6 @@ var ErrNilMapOpcodeAddress = errors.New("nil map opcode address")
 
 // ErrOpcodeIsNotAllowed signals that opcode is not allowed for the address
 var ErrOpcodeIsNotAllowed = errors.New("opcode is not allowed")
+
+// ErrInvalidSignature signals that a signature verification failed
+var ErrInvalidSignature = errors.New("signature is invalid")

vmhost/vmhooks/cryptoei.go

@@ -2,6 +2,7 @@ package vmhooks
 
 import (
 	"crypto/elliptic"
+
 	"github.com/multiversx/mx-chain-vm-go/crypto/signing/secp256"
 	"github.com/multiversx/mx-chain-vm-go/executor"
 	"github.com/multiversx/mx-chain-vm-go/math"
@@ -401,7 +402,7 @@ func ManagedVerifyBLSWithHost(
 	}
 
 	if invalidSigErr != nil {
-		WithFaultAndHost(host, invalidSigErr, runtime.CryptoAPIErrorShouldFailExecution())
+		WithFaultAndHost(host, vmhost.ErrInvalidSignature, runtime.CryptoAPIErrorShouldFailExecution())
 		return -1
 	}
 
@@ -659,7 +660,7 @@ func ManagedVerifyCustomSecp256k1WithHost(
 	}
 
 	if invalidSigErr != nil {
-		WithFaultAndHost(host, invalidSigErr, runtime.CryptoAPIErrorShouldFailExecution())
+		WithFaultAndHost(host, vmhost.ErrInvalidSignature, runtime.CryptoAPIErrorShouldFailExecution())
 		return -1
 	}