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rpcsrv: allow invalid contract signatures in calculatenetworkfee

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See #2805, it allows to cover more cases like Notary contract that can use
CalculateNetworkFee now instead of AddNetworkFee RPC client API.
This commit is contained in:
Roman Khimov 2022-08-22 14:52:04 +03:00
parent 98dfe66466
commit f3d83c90b1
2 changed files with 10 additions and 9 deletions
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14
pkg/rpcclient/rpc.go
View file

@ -918,17 +918,21 @@ func (c *Client) SignAndPushP2PNotaryRequest(mainTx *transaction.Transaction, fa
}
fallbackNetFee += extraNetFee
dummyAccount := &wallet.Account{Contract: &wallet.Contract{Deployed: false}} // don't call `verify` for Notary contract witness, because it will fail
err = c.AddNetworkFee(fallbackTx, fallbackNetFee, dummyAccount, acc)
if err != nil {
return nil, fmt.Errorf("failed to add network fee: %w", err)
}
fallbackTx.Scripts = []transaction.Witness{
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, make([]byte, 64)...),
VerificationScript: []byte{},
},
{
InvocationScript: []byte{},
VerificationScript: acc.GetVerificationScript(),
},
}
fallbackTx.NetworkFee, err = c.CalculateNetworkFee(fallbackTx)
if err != nil {
return nil, fmt.Errorf("failed to add network fee: %w", err)
}
fallbackTx.NetworkFee += fallbackNetFee
m, err := c.GetNetwork()
if err != nil {
return nil, fmt.Errorf("failed to sign fallback tx: %w", err)

5
pkg/services/rpcsrv/server.go
View file

@ -765,10 +765,7 @@ func (s *Server) calculateNetworkFee(reqParams params.Params) (interface{}, *neo
for i, signer := range tx.Signers {
w := tx.Scripts[i]
if len(w.VerificationScript) == 0 { // then it still might be a contract-based verification
gasConsumed, err := s.chain.VerifyWitness(signer.Account, tx, &tx.Scripts[i], int64(s.config.MaxGasInvoke))
if err != nil {
return 0, neorpc.NewRPCError("Invalid signature", fmt.Sprintf("contract verification for signer #%d failed: %s", i, err))
}
gasConsumed, _ := s.chain.VerifyWitness(signer.Account, tx, &tx.Scripts[i], int64(s.config.MaxGasInvoke))
netFee += gasConsumed
size += io.GetVarSize([]byte{}) + // verification script is empty (contract-based witness)
io.GetVarSize(tx.Scripts[i].InvocationScript) // invocation script might not be empty (args for `verify`)