mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 12:57:18 +00:00
158 lines
4.2 KiB
Go
158 lines
4.2 KiB
Go
package protoarray
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import (
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"context"
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"strings"
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"testing"
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"github.com/prysmaticlabs/prysm/shared/params"
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)
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func TestNoVote_CanFindHead(t *testing.T) {
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balances := make([]uint64, 16)
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f := setup(1, 1)
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// The head should always start at the finalized block.
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r, err := f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
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if err != nil {
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t.Fatal(err)
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}
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if r != params.BeaconConfig().ZeroHash {
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t.Errorf("Incorrect head with genesis")
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}
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// Insert block 2 into the tree and verify head is at 2:
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// 0
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// /
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// 2 <- head
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if err := f.ProcessBlock(context.Background(), 0, indexToHash(2), params.BeaconConfig().ZeroHash, 1, 1); err != nil {
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t.Fatal(err)
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}
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r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
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if err != nil {
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t.Fatal(err)
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}
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if r != indexToHash(2) {
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t.Error("Incorrect head for with justified epoch at 1")
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}
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// Insert block 1 into the tree and verify head is still at 2:
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// 0
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// / \
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// head -> 2 1
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if err := f.ProcessBlock(context.Background(), 0, indexToHash(1), params.BeaconConfig().ZeroHash, 1, 1); err != nil {
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t.Fatal(err)
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}
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r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
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if err != nil {
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t.Fatal(err)
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}
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if r != indexToHash(2) {
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t.Error("Incorrect head for with justified epoch at 1")
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}
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// Insert block 3 into the tree and verify head is still at 2:
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// 0
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// / \
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// head -> 2 1
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// |
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// 3
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if err := f.ProcessBlock(context.Background(), 0, indexToHash(3), indexToHash(1), 1, 1); err != nil {
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t.Fatal(err)
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}
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r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
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if err != nil {
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t.Fatal(err)
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}
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if r != indexToHash(2) {
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t.Error("Incorrect head for with justified epoch at 1")
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}
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// Insert block 4 into the tree and verify head is at 4:
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// 0
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// / \
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// 2 1
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// | |
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// head -> 4 3
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if err := f.ProcessBlock(context.Background(), 0, indexToHash(4), indexToHash(2), 1, 1); err != nil {
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t.Fatal(err)
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}
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r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
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if err != nil {
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t.Fatal(err)
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}
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if r != indexToHash(4) {
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t.Error("Incorrect head for with justified epoch at 1")
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}
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// Insert block 5 with justified epoch of 2, verify head is still at 4.
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// 0
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// / \
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// 2 1
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// | |
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// head -> 4 3
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// |
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// 5 <- justified epoch = 2
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if err := f.ProcessBlock(context.Background(), 0, indexToHash(5), indexToHash(4), 2, 1); err != nil {
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t.Fatal(err)
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}
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r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
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if err != nil {
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t.Fatal(err)
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}
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if r != indexToHash(4) {
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t.Error("Incorrect head for with justified epoch at 1")
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}
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// Verify there's an error when starting from a block with wrong justified epoch.
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// 0
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// / \
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// 2 1
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// | |
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// head -> 4 3
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// |
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// 5 <- starting from 5 with justified epoch 0 should error
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r, err = f.Head(context.Background(), 1, indexToHash(5), balances, 1)
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wanted := "after tree filter, best node can't be head,"
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if !strings.Contains(err.Error(), wanted) {
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t.Fatal("Did not get wanted error")
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}
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// Set the justified epoch to 2 and start block to 5 to verify head is 5.
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// 0
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// / \
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// 2 1
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// | |
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// 4 3
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// |
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// 5 <- head
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r, err = f.Head(context.Background(), 1, indexToHash(5), balances, 2)
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if err != nil {
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t.Fatal(err)
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}
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if r != indexToHash(5) {
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t.Error("Incorrect head for with justified epoch at 2")
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}
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// Insert block 6 with justified epoch of 2, verify head is at 6.
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// 0
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// / \
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// 2 1
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// | |
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// 4 3
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// |
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// 5
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// |
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// 6 <- head
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if err := f.ProcessBlock(context.Background(), 0, indexToHash(6), indexToHash(5), 2, 1); err != nil {
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t.Fatal(err)
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}
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r, err = f.Head(context.Background(), 1, indexToHash(5), balances, 2)
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if err != nil {
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t.Fatal(err)
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}
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if r != indexToHash(6) {
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t.Error("Incorrect head for with justified epoch at 2")
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}
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}
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