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accounts/abi/bind/backends: fix AdjustTime to respect Fork (#25225)

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lightclient 2022-09-28 01:55:07 -06:00 committed by GitHub
parent 456b187892
commit 1743e61130
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 26 additions and 1 deletions
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7
accounts/abi/bind/backends/simulated.go
View File

@ -793,8 +793,13 @@ func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error {
if len(b.pendingBlock.Transactions()) != 0 {
return errors.New("Could not adjust time on non-empty block")
}
// Get the last block
block := b.blockchain.GetBlockByHash(b.pendingBlock.ParentHash())
if block == nil {
return fmt.Errorf("could not find parent")
}
blocks, _ := core.GenerateChain(b.config, b.blockchain.CurrentBlock(), ethash.NewFaker(), b.database, 1, func(number int, block *core.BlockGen) {
blocks, _ := core.GenerateChain(b.config, block, ethash.NewFaker(), b.database, 1, func(number int, block *core.BlockGen) {
block.OffsetTime(int64(adjustment.Seconds()))
})
stateDB, _ := b.blockchain.State()

20
accounts/abi/bind/backends/simulated_test.go
View File

@ -1377,3 +1377,23 @@ func TestCommitReturnValue(t *testing.T) {
t.Error("Could not retrieve the just created block (side-chain)")
}
}
// TestAdjustTimeAfterFork ensures that after a fork, AdjustTime uses the pending fork
// block's parent rather than the canonical head's parent.
func TestAdjustTimeAfterFork(t *testing.T) {
testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
sim := simTestBackend(testAddr)
defer sim.Close()
sim.Commit() // h1
h1 := sim.blockchain.CurrentHeader().Hash()
sim.Commit() // h2
sim.Fork(context.Background(), h1)
sim.AdjustTime(1 * time.Second)
sim.Commit()
head := sim.blockchain.CurrentHeader()
if head.Number == common.Big2 && head.ParentHash != h1 {
t.Errorf("failed to build block on fork")
}
}