129 lines
3.9 KiB
Go
129 lines
3.9 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package mocks
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import (
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"errors"
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"math/big"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/event"
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)
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// BlockChain is a mock blockchain for testing
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type BlockChain struct {
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HashesLookedUp []common.Hash
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blocksToReturnByHash map[common.Hash]*types.Block
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blocksToReturnByNumber map[uint64]*types.Block
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callCount int
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ChainEvents []core.ChainEvent
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Receipts map[common.Hash]types.Receipts
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TDByHash map[common.Hash]*big.Int
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}
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// SetBlocksForHashes mock method
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func (blockChain *BlockChain) SetBlocksForHashes(blocks map[common.Hash]*types.Block) {
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if blockChain.blocksToReturnByHash == nil {
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blockChain.blocksToReturnByHash = make(map[common.Hash]*types.Block)
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}
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blockChain.blocksToReturnByHash = blocks
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}
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// GetBlockByHash mock method
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func (blockChain *BlockChain) GetBlockByHash(hash common.Hash) *types.Block {
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blockChain.HashesLookedUp = append(blockChain.HashesLookedUp, hash)
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var block *types.Block
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if len(blockChain.blocksToReturnByHash) > 0 {
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block = blockChain.blocksToReturnByHash[hash]
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}
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return block
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}
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// SetChainEvents mock method
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func (blockChain *BlockChain) SetChainEvents(chainEvents []core.ChainEvent) {
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blockChain.ChainEvents = chainEvents
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}
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// SubscribeChainEvent mock method
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func (blockChain *BlockChain) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
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subErr := errors.New("subscription error")
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var eventCounter int
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subscription := event.NewSubscription(func(quit <-chan struct{}) error {
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for _, chainEvent := range blockChain.ChainEvents {
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if eventCounter > 1 {
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time.Sleep(250 * time.Millisecond)
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return subErr
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}
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select {
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case ch <- chainEvent:
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case <-quit:
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return nil
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}
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eventCounter++
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}
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return nil
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})
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return subscription
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}
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// SetReceiptsForHash test method
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func (blockChain *BlockChain) SetReceiptsForHash(hash common.Hash, receipts types.Receipts) {
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if blockChain.Receipts == nil {
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blockChain.Receipts = make(map[common.Hash]types.Receipts)
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}
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blockChain.Receipts[hash] = receipts
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}
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// GetReceiptsByHash mock method
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func (blockChain *BlockChain) GetReceiptsByHash(hash common.Hash) types.Receipts {
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return blockChain.Receipts[hash]
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}
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// SetBlockForNumber test method
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func (blockChain *BlockChain) SetBlockForNumber(block *types.Block, number uint64) {
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if blockChain.blocksToReturnByNumber == nil {
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blockChain.blocksToReturnByNumber = make(map[uint64]*types.Block)
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}
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blockChain.blocksToReturnByNumber[number] = block
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}
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// GetBlockByNumber mock method
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func (blockChain *BlockChain) GetBlockByNumber(number uint64) *types.Block {
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return blockChain.blocksToReturnByNumber[number]
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}
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// GetTdByHash mock method
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func (blockChain *BlockChain) GetTdByHash(hash common.Hash) *big.Int {
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return blockChain.TDByHash[hash]
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}
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func (blockChain *BlockChain) SetTdByHash(hash common.Hash, td *big.Int) {
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if blockChain.TDByHash == nil {
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blockChain.TDByHash = make(map[common.Hash]*big.Int)
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}
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blockChain.TDByHash[hash] = td
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}
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func (blockChain *BlockChain) UnlockTrie(root common.Hash) {}
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