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Add more tests

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This commit is contained in:
Paul Hauner
2020-01-13 19:01:39 +11:00
parent 1eee093208
commit 374877cbf8
1 changed files with 129 additions and 6 deletions
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129
eth2/lmd_ghost/src/proto_array.rs
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@@ -1657,7 +1657,7 @@ mod test_proto_array_fork_choice {
// 7 // 7
// | // |
// 8 // 8
// | // /
// 9 // 9
fork_choice fork_choice
.process_block(get_hash(7), get_hash(5), Epoch::new(1), Epoch::new(0)) .process_block(get_hash(7), get_hash(5), Epoch::new(1), Epoch::new(0))
@@ -1685,7 +1685,7 @@ mod test_proto_array_fork_choice {
// 7 // 7
// | // |
// 8 // 8
// | // /
// 9 // 9
assert_eq!( assert_eq!(
fork_choice fork_choice
@@ -1719,7 +1719,7 @@ mod test_proto_array_fork_choice {
// 7 // 7
// | // |
// 8 // 8
// | // /
// head-> 9 // head-> 9
assert_eq!( assert_eq!(
fork_choice fork_choice
@@ -1734,5 +1734,128 @@ mod test_proto_array_fork_choice {
get_hash(9), get_hash(9),
"should find get_hash(9)" "should find get_hash(9)"
); );
// Change fork-choice justified epoch to 1, and the start block to 5 and ensure that 9 is
// the head.
//
// << Change justified epoch to 1 >>
//
// 0
// / \
// 2 1
// |
// 3
// |
// 4
// / \
// 5 6
// |
// 7
// |
// 8
// /
// 9 <- +2 votes
fork_choice
.process_attestation(0, get_hash(9), Epoch::new(4))
.expect("should process attestation");
fork_choice
.process_attestation(1, get_hash(9), Epoch::new(4))
.expect("should process attestation");
// Add block 10
//
// 0
// / \
// 2 1
// |
// 3
// |
// 4
// / \
// 5 6
// |
// 7
// |
// 8
// / \
// 9 10
fork_choice
.process_block(get_hash(10), get_hash(8), Epoch::new(1), Epoch::new(0))
.expect("should process block");
// Double-check the head is still 9 (no diagram this time)
assert_eq!(
fork_choice
.find_head(
Epoch::new(1),
get_hash(5),
Epoch::new(0),
Hash256::zero(),
&balances
)
.expect("should find head"),
get_hash(9),
"should find get_hash(9)"
);
// Introduce 2 more validators into the system
let balances = vec![1; 4];
// Have the two new validators vote for 10
//
// 0
// / \
// 2 1
// |
// 3
// |
// 4
// / \
// 5 6
// |
// 7
// |
// 8
// / \
// 9 10 <- +2 votes
fork_choice
.process_attestation(2, get_hash(10), Epoch::new(4))
.expect("should process attestation");
fork_choice
.process_attestation(3, get_hash(10), Epoch::new(4))
.expect("should process attestation");
// Check the head is now 10.
//
// 0
// / \
// 2 1
// |
// 3
// |
// 4
// / \
// 5 6
// |
// 7
// |
// 8
// / \
// 9 10 <- head
assert_eq!(
fork_choice
.find_head(
Epoch::new(1),
get_hash(5),
Epoch::new(0),
Hash256::zero(),
&balances
)
.expect("should find head"),
get_hash(10),
"should find get_hash(10)"
);
// TODO: play with the validator balances and watch the head move about.
} }
} }