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core: tests for forked blocks retrievable by hash (#23695) 

* Update tests to showcase that forked blocks can still be looked up by their hash
This commit is contained in:
Miro 2021-10-11 13:25:21 -04:00 committed by GitHub
parent 088bc34194
commit cf8a6d6173
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1 changed files with 15 additions and 0 deletions
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15
core/blockchain_test.go
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@ -2055,6 +2055,7 @@ func getLongAndShortChains() (bc *BlockChain, longChain []*types.Block, heavyCha
// 1. Have a chain [0 ... N .. X]
// 2. Reorg to shorter but heavier chain [0 ... N ... Y]
// 3. Then there should be no canon mapping for the block at height X
// 4. The forked block should still be retrievable by hash
func TestReorgToShorterRemovesCanonMapping(t *testing.T) {
chain, canonblocks, sideblocks, err := getLongAndShortChains()
if err != nil {
@ -2064,6 +2065,7 @@ func TestReorgToShorterRemovesCanonMapping(t *testing.T) {
t.Fatalf("block %d: failed to insert into chain: %v", n, err)
}
canonNum := chain.CurrentBlock().NumberU64()
canonHash := chain.CurrentBlock().Hash()
_, err = chain.InsertChain(sideblocks)
if err != nil {
t.Errorf("Got error, %v", err)
@ -2079,6 +2081,12 @@ func TestReorgToShorterRemovesCanonMapping(t *testing.T) {
if headerByNum := chain.GetHeaderByNumber(canonNum); headerByNum != nil {
t.Errorf("expected header to be gone: %v", headerByNum.Number.Uint64())
}
if blockByHash := chain.GetBlockByHash(canonHash); blockByHash == nil {
t.Errorf("expected block to be present: %x", blockByHash.Hash())
}
if headerByHash := chain.GetHeaderByHash(canonHash); headerByHash == nil {
t.Errorf("expected header to be present: %x", headerByHash.Hash())
}
}
// TestReorgToShorterRemovesCanonMappingHeaderChain is the same scenario
@ -2098,6 +2106,7 @@ func TestReorgToShorterRemovesCanonMappingHeaderChain(t *testing.T) {
t.Fatalf("header %d: failed to insert into chain: %v", n, err)
}
canonNum := chain.CurrentHeader().Number.Uint64()
canonHash := chain.CurrentBlock().Hash()
sideHeaders := make([]*types.Header, len(sideblocks))
for i, block := range sideblocks {
sideHeaders[i] = block.Header()
@ -2116,6 +2125,12 @@ func TestReorgToShorterRemovesCanonMappingHeaderChain(t *testing.T) {
if headerByNum := chain.GetHeaderByNumber(canonNum); headerByNum != nil {
t.Errorf("expected header to be gone: %v", headerByNum.Number.Uint64())
}
if blockByHash := chain.GetBlockByHash(canonHash); blockByHash == nil {
t.Errorf("expected block to be present: %x", blockByHash.Hash())
}
if headerByHash := chain.GetHeaderByHash(canonHash); headerByHash == nil {
t.Errorf("expected header to be present: %x", headerByHash.Hash())
}
}
func TestTransactionIndices(t *testing.T) {