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121 lines
3.9 KiB
121 lines
3.9 KiB
package trie
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import (
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/ethdb/memorydb"
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)
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func TestSizeBug(t *testing.T) {
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st := NewStackTrie(nil)
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nt, _ := New(common.Hash{}, NewDatabase(memorydb.New()))
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leaf := common.FromHex("290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563")
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value := common.FromHex("94cf40d0d2b44f2b66e07cace1372ca42b73cf21a3")
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nt.TryUpdate(leaf, value)
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st.TryUpdate(leaf, value)
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if nt.Hash() != st.Hash() {
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t.Fatalf("error %x != %x", st.Hash(), nt.Hash())
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}
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}
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func TestEmptyBug(t *testing.T) {
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st := NewStackTrie(nil)
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nt, _ := New(common.Hash{}, NewDatabase(memorydb.New()))
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//leaf := common.FromHex("290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563")
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//value := common.FromHex("94cf40d0d2b44f2b66e07cace1372ca42b73cf21a3")
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kvs := []struct {
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K string
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V string
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}{
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{K: "405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace", V: "9496f4ec2bf9dab484cac6be589e8417d84781be08"},
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{K: "40edb63a35fcf86c08022722aa3287cdd36440d671b4918131b2514795fefa9c", V: "01"},
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{K: "b10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6", V: "947a30f7736e48d6599356464ba4c150d8da0302ff"},
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{K: "c2575a0e9e593c00f959f8c92f12db2869c3395a3b0502d05e2516446f71f85b", V: "02"},
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}
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for _, kv := range kvs {
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nt.TryUpdate(common.FromHex(kv.K), common.FromHex(kv.V))
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st.TryUpdate(common.FromHex(kv.K), common.FromHex(kv.V))
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}
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if nt.Hash() != st.Hash() {
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t.Fatalf("error %x != %x", st.Hash(), nt.Hash())
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}
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}
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func TestValLength56(t *testing.T) {
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st := NewStackTrie(nil)
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nt, _ := New(common.Hash{}, NewDatabase(memorydb.New()))
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//leaf := common.FromHex("290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563")
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//value := common.FromHex("94cf40d0d2b44f2b66e07cace1372ca42b73cf21a3")
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kvs := []struct {
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K string
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V string
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}{
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{K: "405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace", V: "1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
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}
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for _, kv := range kvs {
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nt.TryUpdate(common.FromHex(kv.K), common.FromHex(kv.V))
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st.TryUpdate(common.FromHex(kv.K), common.FromHex(kv.V))
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}
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if nt.Hash() != st.Hash() {
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t.Fatalf("error %x != %x", st.Hash(), nt.Hash())
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}
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}
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// TestUpdateSmallNodes tests a case where the leaves are small (both key and value),
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// which causes a lot of node-within-node. This case was found via fuzzing.
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func TestUpdateSmallNodes(t *testing.T) {
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st := NewStackTrie(nil)
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nt, _ := New(common.Hash{}, NewDatabase(memorydb.New()))
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kvs := []struct {
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K string
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V string
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}{
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{"63303030", "3041"}, // stacktrie.Update
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{"65", "3000"}, // stacktrie.Update
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}
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for _, kv := range kvs {
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nt.TryUpdate(common.FromHex(kv.K), common.FromHex(kv.V))
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st.TryUpdate(common.FromHex(kv.K), common.FromHex(kv.V))
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}
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if nt.Hash() != st.Hash() {
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t.Fatalf("error %x != %x", st.Hash(), nt.Hash())
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}
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}
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// TestUpdateVariableKeys contains a case which stacktrie fails: when keys of different
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// sizes are used, and the second one has the same prefix as the first, then the
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// stacktrie fails, since it's unable to 'expand' on an already added leaf.
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// For all practical purposes, this is fine, since keys are fixed-size length
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// in account and storage tries.
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//
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// The test is marked as 'skipped', and exists just to have the behaviour documented.
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// This case was found via fuzzing.
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func TestUpdateVariableKeys(t *testing.T) {
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t.SkipNow()
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st := NewStackTrie(nil)
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nt, _ := New(common.Hash{}, NewDatabase(memorydb.New()))
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kvs := []struct {
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K string
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V string
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}{
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{"0x33303534636532393561313031676174", "303030"},
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{"0x3330353463653239356131303167617430", "313131"},
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}
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for _, kv := range kvs {
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nt.TryUpdate(common.FromHex(kv.K), common.FromHex(kv.V))
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st.TryUpdate(common.FromHex(kv.K), common.FromHex(kv.V))
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}
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if nt.Hash() != st.Hash() {
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t.Fatalf("error %x != %x", st.Hash(), nt.Hash())
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}
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}
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