mirror of https://github.com/poanetwork/gecko.git
86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package avalanche
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import (
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"errors"
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"github.com/ava-labs/gecko/ids"
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"github.com/ava-labs/gecko/snow/choices"
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"github.com/ava-labs/gecko/snow/consensus/snowstorm"
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"github.com/ava-labs/gecko/snow/engine/common"
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)
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var (
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errParseTx = errors.New("unexpectedly called ParseTx")
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errIssueTx = errors.New("unexpectedly called IssueTx")
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errGetTx = errors.New("unexpectedly called GetTx")
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)
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// VMTest ...
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type VMTest struct {
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common.VMTest
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CantPendingTxs, CantParseTx, CantIssueTx, CantGetTx bool
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PendingTxsF func() []snowstorm.Tx
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ParseTxF func([]byte) (snowstorm.Tx, error)
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IssueTxF func([]byte, func(choices.Status), func(choices.Status)) (ids.ID, error)
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GetTxF func(ids.ID) (snowstorm.Tx, error)
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}
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// Default ...
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func (vm *VMTest) Default(cant bool) {
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vm.VMTest.Default(cant)
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vm.CantPendingTxs = cant
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vm.CantParseTx = cant
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vm.CantIssueTx = cant
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vm.CantGetTx = cant
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}
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// PendingTxs ...
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func (vm *VMTest) PendingTxs() []snowstorm.Tx {
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if vm.PendingTxsF != nil {
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return vm.PendingTxsF()
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}
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if vm.CantPendingTxs && vm.T != nil {
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vm.T.Fatalf("Unexpectedly called PendingTxs")
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}
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return nil
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}
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// ParseTx ...
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func (vm *VMTest) ParseTx(b []byte) (snowstorm.Tx, error) {
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if vm.ParseTxF != nil {
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return vm.ParseTxF(b)
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}
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if vm.CantParseTx && vm.T != nil {
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vm.T.Fatal(errParseTx)
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}
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return nil, errParseTx
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}
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// IssueTx ...
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func (vm *VMTest) IssueTx(b []byte, issued, finalized func(choices.Status)) (ids.ID, error) {
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if vm.IssueTxF != nil {
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return vm.IssueTxF(b, issued, finalized)
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}
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if vm.CantIssueTx && vm.T != nil {
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vm.T.Fatal(errIssueTx)
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}
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return ids.ID{}, errIssueTx
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}
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// GetTx ...
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func (vm *VMTest) GetTx(txID ids.ID) (snowstorm.Tx, error) {
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if vm.GetTxF != nil {
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return vm.GetTxF(txID)
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}
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if vm.CantGetTx && vm.T != nil {
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vm.T.Fatal(errGetTx)
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}
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return nil, errGetTx
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}
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