mirror of
https://github.com/nspcc-dev/neo-go.git
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67f26859a8
This is useful for creating dumps providing various load to benchmark restore or check compatibility with C# nodes. Related #1472.
88 lines
2.6 KiB
Go
88 lines
2.6 KiB
Go
package testchain
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import (
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"encoding/json"
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gio "io"
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"github.com/nspcc-dev/neo-go/pkg/compiler"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/core/blockchainer"
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"github.com/nspcc-dev/neo-go/pkg/core/fee"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
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"github.com/nspcc-dev/neo-go/pkg/core/native"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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)
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var (
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ownerHash = MultisigScriptHash()
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ownerScript = MultisigVerificationScript()
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)
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// NewTransferFromOwner returns transaction transfering funds from NEO and GAS owner.
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func NewTransferFromOwner(bc blockchainer.Blockchainer, contractHash, to util.Uint160, amount int64,
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nonce, validUntil uint32) (*transaction.Transaction, error) {
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w := io.NewBufBinWriter()
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emit.AppCallWithOperationAndArgs(w.BinWriter, contractHash, "transfer", ownerHash, to, amount, nil)
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emit.Opcodes(w.BinWriter, opcode.ASSERT)
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if w.Err != nil {
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return nil, w.Err
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}
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script := w.Bytes()
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tx := transaction.New(netmode.UnitTestNet, script, 10000000)
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tx.ValidUntilBlock = validUntil
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tx.Nonce = nonce
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tx.Signers = []transaction.Signer{{
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Account: ownerHash,
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Scopes: transaction.CalledByEntry,
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AllowedContracts: nil,
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AllowedGroups: nil,
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}}
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return tx, SignTx(bc, tx)
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}
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// NewDeployTx returns new deployment tx for contract with name with Go code read from r.
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func NewDeployTx(name string, r gio.Reader) (*transaction.Transaction, []byte, error) {
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avm, di, err := compiler.CompileWithDebugInfo(name, r)
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if err != nil {
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return nil, nil, err
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}
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w := io.NewBufBinWriter()
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m, err := di.ConvertToManifest(name, nil)
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if err != nil {
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return nil, nil, err
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}
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bs, err := json.Marshal(m)
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if err != nil {
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return nil, nil, err
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}
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emit.Bytes(w.BinWriter, bs)
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emit.Bytes(w.BinWriter, avm)
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emit.Syscall(w.BinWriter, interopnames.SystemContractCreate)
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if w.Err != nil {
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return nil, nil, err
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}
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return transaction.New(Network(), w.Bytes(), 100*native.GASFactor), avm, nil
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}
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// SignTx signs provided transactions with validator keys.
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func SignTx(bc blockchainer.Blockchainer, txs ...*transaction.Transaction) error {
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for _, tx := range txs {
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size := io.GetVarSize(tx)
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netFee, sizeDelta := fee.Calculate(ownerScript)
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tx.NetworkFee += netFee
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size += sizeDelta
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tx.NetworkFee += int64(size) * bc.FeePerByte()
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data := tx.GetSignedPart()
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tx.Scripts = []transaction.Witness{{
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InvocationScript: Sign(data),
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VerificationScript: ownerScript,
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}}
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}
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return nil
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}
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