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core: add conflicts attribute

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Close #1491
This commit is contained in:
Anna Shaleva 2020-10-15 14:45:29 +03:00
parent f259a614de
commit ec63d5c456
15 changed files with 499 additions and 37 deletions
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59
pkg/core/blockchain_test.go
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@ -18,6 +18,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/internal/random"
"github.com/nspcc-dev/neo-go/pkg/internal/testchain"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
@ -629,6 +630,64 @@ func TestVerifyTx(t *testing.T) {
require.NoError(t, bc.VerifyTx(tx))
})
})
t.Run("Conflicts", func(t *testing.T) {
getConflictsTx := func(hashes ...util.Uint256) *transaction.Transaction {
tx := bc.newTestTx(h, testScript)
tx.Attributes = make([]transaction.Attribute, len(hashes))
for i, h := range hashes {
tx.Attributes[i] = transaction.Attribute{
Type: transaction.ConflictsT,
Value: &transaction.Conflicts{
Hash: h,
},
}
}
tx.NetworkFee += 4_000_000 // multisig check
tx.Signers = []transaction.Signer{{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
}}
rawScript := testchain.CommitteeVerificationScript()
require.NoError(t, err)
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(rawScript)
tx.NetworkFee += netFee
tx.NetworkFee += int64(size+sizeDelta) * bc.FeePerByte()
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: rawScript,
}}
return tx
}
t.Run("disabled", func(t *testing.T) {
bc.config.P2PSigExtensions = false
tx := getConflictsTx(util.Uint256{1, 2, 3})
require.Error(t, bc.VerifyTx(tx))
})
t.Run("enabled", func(t *testing.T) {
bc.config.P2PSigExtensions = true
t.Run("dummy on-chain conflict", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
require.NoError(t, accs[0].SignTx(tx))
dummyTx := transaction.NewTrimmedTX(tx.Hash())
dummyTx.Version = transaction.DummyVersion
require.NoError(t, bc.dao.StoreAsTransaction(dummyTx, bc.blockHeight, nil))
require.True(t, errors.Is(bc.VerifyTx(tx), ErrHasConflicts))
})
t.Run("attribute on-chain conflict", func(t *testing.T) {
b, err := bc.GetBlock(bc.GetHeaderHash(0))
require.NoError(t, err)
conflictsHash := b.Transactions[0].Hash()
tx := getConflictsTx(conflictsHash)
require.Error(t, bc.VerifyTx(tx))
})
t.Run("positive", func(t *testing.T) {
tx := getConflictsTx(random.Uint256())
require.NoError(t, bc.VerifyTx(tx))
})
})
})
})
}