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accounts/abi/bind/backends: Disallow AdjustTime for non-empty blocks (#21334)

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* accounts/abi/bind/backends: Disallow timeshift for non-empty blocks

* accounts/abi/bind/backends: added tests for adjust time

* accounts/abi/bind/simulated: added comments, fixed test for AdjustTime

* accounts/abi/bind/backends: updated comment
This commit is contained in:
Marius van der Wijden
2020-08-26 09:37:00 +02:00
committed by GitHub
parent fc20680b95
commit 92b12ee6c6
2 changed files with 44 additions and 5 deletions
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8
accounts/abi/bind/backends/simulated.go
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@ -675,14 +675,16 @@ func (b *SimulatedBackend) SubscribeNewHead(ctx context.Context, ch chan<- *type
}
// AdjustTime adds a time shift to the simulated clock.
// It can only be called on empty blocks.
func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error {
b.mu.Lock()
defer b.mu.Unlock()
if len(b.pendingBlock.Transactions()) != 0 {
return errors.New("Could not adjust time on non-empty block")
}
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.OffsetTime(int64(adjustment.Seconds()))
})
statedb, _ := b.blockchain.State()