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Merge pull request #15990 from markya0616/sim_backend_block_hash

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accounts/abi, core: add AddTxWithChain in BlockGen for simulation
This commit is contained in:
Martin Holst Swende 2018-03-19 08:29:54 +01:00 committed by GitHub
commit faed47b3c5
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2 changed files with 15 additions and 3 deletions
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4
accounts/abi/bind/backends/simulated.go
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@ -307,9 +307,9 @@ func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transa
blocks, _ := core.GenerateChain(b.config, b.blockchain.CurrentBlock(), ethash.NewFaker(), b.database, 1, func(number int, block *core.BlockGen) {
for _, tx := range b.pendingBlock.Transactions() {
block.AddTx(tx)
block.AddTxWithChain(b.blockchain, tx)
}
block.AddTx(tx)
block.AddTxWithChain(b.blockchain, tx)
})
statedb, _ := b.blockchain.State()

14
core/chain_makers.go
View File

@ -82,11 +82,23 @@ func (b *BlockGen) SetExtra(data []byte) {
// added. Notably, contract code relying on the BLOCKHASH instruction
// will panic during execution.
func (b *BlockGen) AddTx(tx *types.Transaction) {
b.AddTxWithChain(nil, tx)
}
// AddTxWithChain adds a transaction to the generated block. If no coinbase has
// been set, the block's coinbase is set to the zero address.
//
// AddTxWithChain panics if the transaction cannot be executed. In addition to
// the protocol-imposed limitations (gas limit, etc.), there are some
// further limitations on the content of transactions that can be
// added. If contract code relies on the BLOCKHASH instruction,
// the block in chain will be returned.
func (b *BlockGen) AddTxWithChain(bc *BlockChain, tx *types.Transaction) {
if b.gasPool == nil {
b.SetCoinbase(common.Address{})
}
b.statedb.Prepare(tx.Hash(), common.Hash{}, len(b.txs))
receipt, _, err := ApplyTransaction(b.config, nil, &b.header.Coinbase, b.gasPool, b.statedb, b.header, tx, &b.header.GasUsed, vm.Config{})
receipt, _, err := ApplyTransaction(b.config, bc, &b.header.Coinbase, b.gasPool, b.statedb, b.header, tx, &b.header.GasUsed, vm.Config{})
if err != nil {
panic(err)
}